@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-translate-x:0;--tw-translate-y:0;--tw-translate-z:0;--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-space-x-reverse:0;--tw-border-style:solid;--tw-gradient-position:initial;--tw-gradient-from:#0000;--tw-gradient-via:#0000;--tw-gradient-to:#0000;--tw-gradient-stops:initial;--tw-gradient-via-stops:initial;--tw-gradient-from-position:0%;--tw-gradient-via-position:50%;--tw-gradient-to-position:100%;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-duration:initial;--tw-ease:initial;--tw-content:""}}}@layer theme{:root,:host{--font-sans:"Instrument Sans",ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-serif:ui-serif,Georgia,Cambria,"Times New Roman",Times,serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--color-red-50:oklch(97.1% .013 17.38);--color-red-100:oklch(93.6% .032 17.717);--color-red-200:oklch(88.5% .062 18.334);--color-red-300:oklch(80.8% .114 19.571);--color-red-400:oklch(70.4% .191 22.216);--color-red-500:oklch(63.7% .237 25.331);--color-red-600:oklch(57.7% .245 27.325);--color-red-700:oklch(50.5% .213 27.518);--color-red-800:oklch(44.4% .177 26.899);--color-red-900:oklch(39.6% .141 25.723);--color-red-950:oklch(25.8% .092 26.042);--color-orange-50:oklch(98% .016 73.684);--color-orange-100:oklch(95.4% .038 75.164);--color-orange-200:oklch(90.1% .076 70.697);--color-orange-300:oklch(83.7% .128 66.29);--color-orange-400:oklch(75% .183 55.934);--color-orange-500:oklch(70.5% .213 47.604);--color-orange-600:oklch(64.6% .222 41.116);--color-orange-700:oklch(55.3% .195 38.402);--color-orange-800:oklch(47% .157 37.304);--color-orange-900:oklch(40.8% .123 38.172);--color-orange-950:oklch(26.6% .079 36.259);--color-amber-50:oklch(98.7% .022 95.277);--color-amber-100:oklch(96.2% .059 95.617);--color-amber-200:oklch(92.4% .12 95.746);--color-amber-300:oklch(87.9% .169 91.605);--color-amber-400:oklch(82.8% .189 84.429);--color-amber-500:oklch(76.9% .188 70.08);--color-amber-600:oklch(66.6% .179 58.318);--color-amber-700:oklch(55.5% .163 48.998);--color-amber-800:oklch(47.3% .137 46.201);--color-amber-900:oklch(41.4% .112 45.904);--color-amber-950:oklch(27.9% .077 45.635);--color-yellow-50:oklch(98.7% .026 102.212);--color-yellow-100:oklch(97.3% .071 103.193);--color-yellow-200:oklch(94.5% .129 101.54);--color-yellow-300:oklch(90.5% .182 98.111);--color-yellow-400:oklch(85.2% .199 91.936);--color-yellow-500:oklch(79.5% .184 86.047);--color-yellow-600:oklch(68.1% .162 75.834);--color-yellow-700:oklch(55.4% .135 66.442);--color-yellow-800:oklch(47.6% .114 61.907);--color-yellow-900:oklch(42.1% .095 57.708);--color-yellow-950:oklch(28.6% .066 53.813);--color-lime-50:oklch(98.6% .031 120.757);--color-lime-100:oklch(96.7% .067 122.328);--color-lime-200:oklch(93.8% .127 124.321);--color-lime-300:oklch(89.7% .196 126.665);--color-lime-400:oklch(84.1% .238 128.85);--color-lime-500:oklch(76.8% .233 130.85);--color-lime-600:oklch(64.8% .2 131.684);--color-lime-700:oklch(53.2% .157 131.589);--color-lime-800:oklch(45.3% .124 130.933);--color-lime-900:oklch(40.5% .101 131.063);--color-lime-950:oklch(27.4% .072 132.109);--color-green-50:oklch(98.2% .018 155.826);--color-green-100:oklch(96.2% .044 156.743);--color-green-200:oklch(92.5% .084 155.995);--color-green-300:oklch(87.1% .15 154.449);--color-green-400:oklch(79.2% .209 151.711);--color-green-500:oklch(72.3% .219 149.579);--color-green-600:oklch(62.7% .194 149.214);--color-green-700:oklch(52.7% .154 150.069);--color-green-800:oklch(44.8% .119 151.328);--color-green-900:oklch(39.3% .095 152.535);--color-green-950:oklch(26.6% .065 152.934);--color-emerald-50:oklch(97.9% .021 166.113);--color-emerald-100:oklch(95% .052 163.051);--color-emerald-200:oklch(90.5% .093 164.15);--color-emerald-300:oklch(84.5% .143 164.978);--color-emerald-400:oklch(76.5% .177 163.223);--color-emerald-500:oklch(69.6% .17 162.48);--color-emerald-600:oklch(59.6% .145 163.225);--color-emerald-700:oklch(50.8% .118 165.612);--color-emerald-800:oklch(43.2% .095 166.913);--color-emerald-900:oklch(37.8% .077 168.94);--color-emerald-950:oklch(26.2% .051 172.552);--color-teal-50:oklch(98.4% .014 180.72);--color-teal-100:oklch(95.3% .051 180.801);--color-teal-200:oklch(91% .096 180.426);--color-teal-300:oklch(85.5% .138 181.071);--color-teal-400:oklch(77.7% .152 181.912);--color-teal-500:oklch(70.4% .14 182.503);--color-teal-600:oklch(60% .118 184.704);--color-teal-700:oklch(51.1% .096 186.391);--color-teal-800:oklch(43.7% .078 188.216);--color-teal-900:oklch(38.6% .063 188.416);--color-teal-950:oklch(27.7% .046 192.524);--color-cyan-50:oklch(98.4% .019 200.873);--color-cyan-100:oklch(95.6% .045 203.388);--color-cyan-200:oklch(91.7% .08 205.041);--color-cyan-300:oklch(86.5% .127 207.078);--color-cyan-400:oklch(78.9% .154 211.53);--color-cyan-500:oklch(71.5% .143 215.221);--color-cyan-600:oklch(60.9% .126 221.723);--color-cyan-700:oklch(52% .105 223.128);--color-cyan-800:oklch(45% .085 224.283);--color-cyan-900:oklch(39.8% .07 227.392);--color-cyan-950:oklch(30.2% .056 229.695);--color-sky-50:oklch(97.7% .013 236.62);--color-sky-100:oklch(95.1% .026 236.824);--color-sky-200:oklch(90.1% .058 230.902);--color-sky-300:oklch(82.8% .111 230.318);--color-sky-400:oklch(74.6% .16 232.661);--color-sky-500:oklch(68.5% .169 237.323);--color-sky-600:oklch(58.8% .158 241.966);--color-sky-700:oklch(50% .134 242.749);--color-sky-800:oklch(44.3% .11 240.79);--color-sky-900:oklch(39.1% .09 240.876);--color-sky-950:oklch(29.3% .066 243.157);--color-blue-50:oklch(97% .014 254.604);--color-blue-100:oklch(93.2% .032 255.585);--color-blue-200:oklch(88.2% .059 254.128);--color-blue-300:oklch(80.9% .105 251.813);--color-blue-400:oklch(70.7% .165 254.624);--color-blue-500:oklch(62.3% .214 259.815);--color-blue-600:oklch(54.6% .245 262.881);--color-blue-700:oklch(48.8% .243 264.376);--color-blue-800:oklch(42.4% .199 265.638);--color-blue-900:oklch(37.9% .146 265.522);--color-blue-950:oklch(28.2% .091 267.935);--color-indigo-50:oklch(96.2% .018 272.314);--color-indigo-100:oklch(93% .034 272.788);--color-indigo-200:oklch(87% .065 274.039);--color-indigo-300:oklch(78.5% .115 274.713);--color-indigo-400:oklch(67.3% .182 276.935);--color-indigo-500:oklch(58.5% .233 277.117);--color-indigo-600:oklch(51.1% .262 276.966);--color-indigo-700:oklch(45.7% .24 277.023);--color-indigo-800:oklch(39.8% .195 277.366);--color-indigo-900:oklch(35.9% .144 278.697);--color-indigo-950:oklch(25.7% .09 281.288);--color-violet-50:oklch(96.9% .016 293.756);--color-violet-100:oklch(94.3% .029 294.588);--color-violet-200:oklch(89.4% .057 293.283);--color-violet-300:oklch(81.1% .111 293.571);--color-violet-400:oklch(70.2% .183 293.541);--color-violet-500:oklch(60.6% .25 292.717);--color-violet-600:oklch(54.1% .281 293.009);--color-violet-700:oklch(49.1% .27 292.581);--color-violet-800:oklch(43.2% .232 292.759);--color-violet-900:oklch(38% .189 293.745);--color-violet-950:oklch(28.3% .141 291.089);--color-purple-50:oklch(97.7% .014 308.299);--color-purple-100:oklch(94.6% .033 307.174);--color-purple-200:oklch(90.2% .063 306.703);--color-purple-300:oklch(82.7% .119 306.383);--color-purple-400:oklch(71.4% .203 305.504);--color-purple-500:oklch(62.7% .265 303.9);--color-purple-600:oklch(55.8% .288 302.321);--color-purple-700:oklch(49.6% .265 301.924);--color-purple-800:oklch(43.8% .218 303.724);--color-purple-900:oklch(38.1% .176 304.987);--color-purple-950:oklch(29.1% .149 302.717);--color-fuchsia-50:oklch(97.7% .017 320.058);--color-fuchsia-100:oklch(95.2% .037 318.852);--color-fuchsia-200:oklch(90.3% .076 319.62);--color-fuchsia-300:oklch(83.3% .145 321.434);--color-fuchsia-400:oklch(74% .238 322.16);--color-fuchsia-500:oklch(66.7% .295 322.15);--color-fuchsia-600:oklch(59.1% .293 322.896);--color-fuchsia-700:oklch(51.8% .253 323.949);--color-fuchsia-800:oklch(45.2% .211 324.591);--color-fuchsia-900:oklch(40.1% .17 325.612);--color-fuchsia-950:oklch(29.3% .136 325.661);--color-pink-50:oklch(97.1% .014 343.198);--color-pink-100:oklch(94.8% .028 342.258);--color-pink-200:oklch(89.9% .061 343.231);--color-pink-300:oklch(82.3% .12 346.018);--color-pink-400:oklch(71.8% .202 349.761);--color-pink-500:oklch(65.6% .241 354.308);--color-pink-600:oklch(59.2% .249 .584);--color-pink-700:oklch(52.5% .223 3.958);--color-pink-800:oklch(45.9% .187 3.815);--color-pink-900:oklch(40.8% .153 2.432);--color-pink-950:oklch(28.4% .109 3.907);--color-rose-50:oklch(96.9% .015 12.422);--color-rose-100:oklch(94.1% .03 12.58);--color-rose-200:oklch(89.2% .058 10.001);--color-rose-300:oklch(81% .117 11.638);--color-rose-400:oklch(71.2% .194 13.428);--color-rose-500:oklch(64.5% .246 16.439);--color-rose-600:oklch(58.6% .253 17.585);--color-rose-700:oklch(51.4% .222 16.935);--color-rose-800:oklch(45.5% .188 13.697);--color-rose-900:oklch(41% .159 10.272);--color-rose-950:oklch(27.1% .105 12.094);--color-slate-50:oklch(98.4% .003 247.858);--color-slate-100:oklch(96.8% .007 247.896);--color-slate-200:oklch(92.9% .013 255.508);--color-slate-300:oklch(86.9% .022 252.894);--color-slate-400:oklch(70.4% .04 256.788);--color-slate-500:oklch(55.4% .046 257.417);--color-slate-600:oklch(44.6% .043 257.281);--color-slate-700:oklch(37.2% .044 257.287);--color-slate-800:oklch(27.9% .041 260.031);--color-slate-900:oklch(20.8% .042 265.755);--color-slate-950:oklch(12.9% .042 264.695);--color-gray-50:oklch(98.5% .002 247.839);--color-gray-100:oklch(96.7% .003 264.542);--color-gray-200:oklch(92.8% .006 264.531);--color-gray-300:oklch(87.2% .01 258.338);--color-gray-400:oklch(70.7% .022 261.325);--color-gray-500:oklch(55.1% .027 264.364);--color-gray-600:oklch(44.6% .03 256.802);--color-gray-700:oklch(37.3% .034 259.733);--color-gray-800:oklch(27.8% .033 256.848);--color-gray-900:oklch(21% .034 264.665);--color-gray-950:oklch(13% .028 261.692);--color-zinc-50:oklch(98.5% 0 0);--color-zinc-100:oklch(96.7% .001 286.375);--color-zinc-200:oklch(92% .004 286.32);--color-zinc-300:oklch(87.1% .006 286.286);--color-zinc-400:oklch(70.5% .015 286.067);--color-zinc-500:oklch(55.2% .016 285.938);--color-zinc-600:oklch(44.2% .017 285.786);--color-zinc-700:oklch(37% .013 285.805);--color-zinc-800:oklch(27.4% .006 286.033);--color-zinc-900:oklch(21% .006 285.885);--color-zinc-950:oklch(14.1% .005 285.823);--color-neutral-50:oklch(98.5% 0 0);--color-neutral-100:oklch(97% 0 0);--color-neutral-200:oklch(92.2% 0 0);--color-neutral-300:oklch(87% 0 0);--color-neutral-400:oklch(70.8% 0 0);--color-neutral-500:oklch(55.6% 0 0);--color-neutral-600:oklch(43.9% 0 0);--color-neutral-700:oklch(37.1% 0 0);--color-neutral-800:oklch(26.9% 0 0);--color-neutral-900:oklch(20.5% 0 0);--color-neutral-950:oklch(14.5% 0 0);--color-stone-50:oklch(98.5% .001 106.423);--color-stone-100:oklch(97% .001 106.424);--color-stone-200:oklch(92.3% .003 48.717);--color-stone-300:oklch(86.9% .005 56.366);--color-stone-400:oklch(70.9% .01 56.259);--color-stone-500:oklch(55.3% .013 58.071);--color-stone-600:oklch(44.4% .011 73.639);--color-stone-700:oklch(37.4% .01 67.558);--color-stone-800:oklch(26.8% .007 34.298);--color-stone-900:oklch(21.6% .006 56.043);--color-stone-950:oklch(14.7% .004 49.25);--color-black:#000;--color-white:#fff;--spacing:.25rem;--breakpoint-sm:40rem;--breakpoint-md:48rem;--breakpoint-lg:64rem;--breakpoint-xl:80rem;--breakpoint-2xl:96rem;--container-3xs:16rem;--container-2xs:18rem;--container-xs:20rem;--container-sm:24rem;--container-md:28rem;--container-lg:32rem;--container-xl:36rem;--container-2xl:42rem;--container-3xl:48rem;--container-4xl:56rem;--container-5xl:64rem;--container-6xl:72rem;--container-7xl:80rem;--text-xs:.75rem;--text-xs--line-height:calc(1/.75);--text-sm:.875rem;--text-sm--line-height:calc(1.25/.875);--text-base:1rem;--text-base--line-height: 1.5 ;--text-lg:1.125rem;--text-lg--line-height:calc(1.75/1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75/1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2/1.5);--text-3xl:1.875rem;--text-3xl--line-height: 1.2 ;--text-4xl:2.25rem;--text-4xl--line-height:calc(2.5/2.25);--text-5xl:3rem;--text-5xl--line-height:1;--text-6xl:3.75rem;--text-6xl--line-height:1;--text-7xl:4.5rem;--text-7xl--line-height:1;--text-8xl:6rem;--text-8xl--line-height:1;--text-9xl:8rem;--text-9xl--line-height:1;--font-weight-thin:100;--font-weight-extralight:200;--font-weight-light:300;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--font-weight-black:900;--tracking-tighter:-.05em;--tracking-tight:-.025em;--tracking-normal:0em;--tracking-wide:.025em;--tracking-wider:.05em;--tracking-widest:.1em;--leading-tight:1.25;--leading-snug:1.375;--leading-normal:1.5;--leading-relaxed:1.625;--leading-loose:2;--radius-xs:.125rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--radius-2xl:1rem;--radius-3xl:1.5rem;--radius-4xl:2rem;--shadow-2xs:0 1px #0000000d;--shadow-xs:0 1px 2px 0 #0000000d;--shadow-sm:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--shadow-2xl:0 25px 50px -12px #00000040;--inset-shadow-2xs:inset 0 1px #0000000d;--inset-shadow-xs:inset 0 1px 1px #0000000d;--inset-shadow-sm:inset 0 2px 4px #0000000d;--drop-shadow-xs:0 1px 1px #0000000d;--drop-shadow-sm:0 1px 2px #00000026;--drop-shadow-md:0 3px 3px #0000001f;--drop-shadow-lg:0 4px 4px #00000026;--drop-shadow-xl:0 9px 7px #0000001a;--drop-shadow-2xl:0 25px 25px #00000026;--ease-in:cubic-bezier(.4,0,1,1);--ease-out:cubic-bezier(0,0,.2,1);--ease-in-out:cubic-bezier(.4,0,.2,1);--animate-spin:spin 1s linear infinite;--animate-ping:ping 1s cubic-bezier(0,0,.2,1)infinite;--animate-pulse:pulse 2s cubic-bezier(.4,0,.6,1)infinite;--animate-bounce:bounce 1s infinite;--blur-xs:4px;--blur-sm:8px;--blur-md:12px;--blur-lg:16px;--blur-xl:24px;--blur-2xl:40px;--blur-3xl:64px;--perspective-dramatic:100px;--perspective-near:300px;--perspective-normal:500px;--perspective-midrange:800px;--perspective-distant:1200px;--aspect-video:16/9;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.inset-0{inset:calc(var(--spacing)*0)}.top-0{top:calc(var(--spacing)*0)}.z-\[1000\]{z-index:1000}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.m-0{margin:calc(var(--spacing)*0)}.m-1{margin:calc(var(--spacing)*1)}.mx-auto{margin-inline:auto}.-mt-\[4\.9rem\]{margin-top:-4.9rem}.mt-2{margin-top:calc(var(--spacing)*2)}.mt-12{margin-top:calc(var(--spacing)*12)}.mt-24{margin-top:calc(var(--spacing)*24)}.mr-20{margin-right:calc(var(--spacing)*20)}.-mb-px{margin-bottom:-1px}.mb-1{margin-bottom:calc(var(--spacing)*1)}.mb-2{margin-bottom:calc(var(--spacing)*2)}.mb-4{margin-bottom:calc(var(--spacing)*4)}.mb-6{margin-bottom:calc(var(--spacing)*6)}.mb-8{margin-bottom:calc(var(--spacing)*8)}.mb-12{margin-bottom:calc(var(--spacing)*12)}.-ml-8{margin-left:calc(var(--spacing)*-8)}.-ml-px{margin-left:-1px}.ml-1{margin-left:calc(var(--spacing)*1)}.ml-4{margin-left:calc(var(--spacing)*4)}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.table{display:table}.aspect-\[335\/376\]{aspect-ratio:335/376}.h-0\.5{height:calc(var(--spacing)*.5)}.h-1{height:calc(var(--spacing)*1)}.h-1\.5{height:calc(var(--spacing)*1.5)}.h-2{height:calc(var(--spacing)*2)}.h-2\.5{height:calc(var(--spacing)*2.5)}.h-3{height:calc(var(--spacing)*3)}.h-3\.5{height:calc(var(--spacing)*3.5)}.h-4{height:calc(var(--spacing)*4)}.h-5{height:calc(var(--spacing)*5)}.h-6{height:calc(var(--spacing)*6)}.h-8{height:calc(var(--spacing)*8)}.h-10{height:calc(var(--spacing)*10)}.h-11{height:calc(var(--spacing)*11)}.h-14{height:calc(var(--spacing)*14)}.h-14\.5{height:calc(var(--spacing)*14.5)}.h-16{height:calc(var(--spacing)*16)}.min-h-\[70vh\]{min-height:70vh}.min-h-screen{min-height:100vh}.w-1{width:calc(var(--spacing)*1)}.w-1\.5{width:calc(var(--spacing)*1.5)}.w-2{width:calc(var(--spacing)*2)}.w-2\.5{width:calc(var(--spacing)*2.5)}.w-3{width:calc(var(--spacing)*3)}.w-3\.5{width:calc(var(--spacing)*3.5)}.w-4{width:calc(var(--spacing)*4)}.w-5{width:calc(var(--spacing)*5)}.w-6{width:calc(var(--spacing)*6)}.w-8{width:calc(var(--spacing)*8)}.w-10{width:calc(var(--spacing)*10)}.w-11{width:calc(var(--spacing)*11)}.w-\[448px\]{width:448px}.w-full{width:100%}.max-w-2xl{max-width:var(--container-2xl)}.max-w-3xl{max-width:var(--container-3xl)}.max-w-\[335px\]{max-width:335px}.max-w-\[1400px\]{max-width:1400px}.max-w-md{max-width:var(--container-md)}.max-w-none{max-width:none}.flex-1{flex:1}.flex-shrink,.shrink{flex-shrink:1}.shrink-0{flex-shrink:0}.grow{flex-grow:1}.border-collapse{border-collapse:collapse}.translate-y-0{--tw-translate-y:calc(var(--spacing)*0);translate:var(--tw-translate-x)var(--tw-translate-y)}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.cursor-default{cursor:default}.cursor-not-allowed{cursor:not-allowed}.cursor-pointer{cursor:pointer}.resize{resize:both}.list-none{list-style-type:none}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-col-reverse{flex-direction:column-reverse}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.justify-end{justify-content:flex-end}.justify-items-center{justify-items:center}.gap-1{gap:calc(var(--spacing)*1)}.gap-2{gap:calc(var(--spacing)*2)}.gap-2\.5{gap:calc(var(--spacing)*2.5)}.gap-3{gap:calc(var(--spacing)*3)}.gap-4{gap:calc(var(--spacing)*4)}.gap-6{gap:calc(var(--spacing)*6)}.gap-7{gap:calc(var(--spacing)*7)}.gap-8{gap:calc(var(--spacing)*8)}:where(.space-x-1>:not(:last-child)){--tw-space-x-reverse:0;margin-inline-start:calc(calc(var(--spacing)*1)*var(--tw-space-x-reverse));margin-inline-end:calc(calc(var(--spacing)*1)*calc(1 - var(--tw-space-x-reverse)))}.overflow-hidden{overflow:hidden}.rounded{border-radius:.25rem}.rounded-full{border-radius:3.40282e38px}.rounded-lg{border-radius:var(--radius-lg)}.rounded-md{border-radius:var(--radius-md)}.rounded-sm{border-radius:var(--radius-sm)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-t-lg{border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg)}.rounded-l-md{border-top-left-radius:var(--radius-md);border-bottom-left-radius:var(--radius-md)}.rounded-r-md{border-top-right-radius:var(--radius-md);border-bottom-right-radius:var(--radius-md)}.rounded-br-lg{border-bottom-right-radius:var(--radius-lg)}.rounded-bl-lg{border-bottom-left-radius:var(--radius-lg)}.border{border-style:var(--tw-border-style);border-width:1px}.border-0{border-style:var(--tw-border-style);border-width:0}.border-2{border-style:var(--tw-border-style);border-width:2px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-l-\[3px\]{border-left-style:var(--tw-border-style);border-left-width:3px}.border-\[\#19140035\]{border-color:#19140035}.border-\[\#e3e3e0\]{border-color:#e3e3e0}.border-amber-500{border-color:var(--color-amber-500)}.border-black{border-color:var(--color-black)}.border-black\/5{border-color:#0000000d}@supports (color:color-mix(in lab,red,red)){.border-black\/5{border-color:color-mix(in oklab,var(--color-black)5%,transparent)}}.border-blue-300{border-color:var(--color-blue-300)}.border-blue-400{border-color:var(--color-blue-400)}.border-blue-500{border-color:var(--color-blue-500)}.border-blue-600{border-color:var(--color-blue-600)}.border-emerald-500{border-color:var(--color-emerald-500)}.border-gray-100{border-color:var(--color-gray-100)}.border-gray-300{border-color:var(--color-gray-300)}.border-green-500{border-color:var(--color-green-500)}.border-orange-500{border-color:var(--color-orange-500)}.border-red-500{border-color:var(--color-red-500)}.border-slate-400{border-color:var(--color-slate-400)}.border-transparent{border-color:#0000}.border-violet-500{border-color:var(--color-violet-500)}.bg-\[\#1b1b18\]{background-color:#1b1b18}.bg-\[\#FDFDFC\]{background-color:#fdfdfc}.bg-\[\#dbdbd7\]{background-color:#dbdbd7}.bg-\[\#fff2f2\]{background-color:#fff2f2}.bg-current{background-color:currentColor}.bg-gray-200{background-color:var(--color-gray-200)}.bg-transparent{background-color:#0000}.bg-white{background-color:var(--color-white)}.bg-white\/95{background-color:#fffffff2}@supports (color:color-mix(in lab,red,red)){.bg-white\/95{background-color:color-mix(in oklab,var(--color-white)95%,transparent)}}.bg-gradient-to-br{--tw-gradient-position:to bottom right in oklab;background-image:linear-gradient(var(--tw-gradient-stops))}.from-blue-600{--tw-gradient-from:var(--color-blue-600);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position),var(--tw-gradient-from)var(--tw-gradient-from-position),var(--tw-gradient-to)var(--tw-gradient-to-position))}.from-red-500{--tw-gradient-from:var(--color-red-500);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position),var(--tw-gradient-from)var(--tw-gradient-from-position),var(--tw-gradient-to)var(--tw-gradient-to-position))}.to-amber-500{--tw-gradient-to:var(--color-amber-500);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position),var(--tw-gradient-from)var(--tw-gradient-from-position),var(--tw-gradient-to)var(--tw-gradient-to-position))}.to-blue-700{--tw-gradient-to:var(--color-blue-700);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position),var(--tw-gradient-from)var(--tw-gradient-from-position),var(--tw-gradient-to)var(--tw-gradient-to-position))}.to-emerald-500{--tw-gradient-to:var(--color-emerald-500);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position),var(--tw-gradient-from)var(--tw-gradient-from-position),var(--tw-gradient-to)var(--tw-gradient-to-position))}.bg-clip-text{-webkit-background-clip:text;background-clip:text}.p-0{padding:calc(var(--spacing)*0)}.p-4{padding:calc(var(--spacing)*4)}.p-6{padding:calc(var(--spacing)*6)}.px-2{padding-inline:calc(var(--spacing)*2)}.px-4{padding-inline:calc(var(--spacing)*4)}.px-5{padding-inline:calc(var(--spacing)*5)}.px-6{padding-inline:calc(var(--spacing)*6)}.px-7{padding-inline:calc(var(--spacing)*7)}.px-8{padding-inline:calc(var(--spacing)*8)}.py-1{padding-block:calc(var(--spacing)*1)}.py-1\.5{padding-block:calc(var(--spacing)*1.5)}.py-2{padding-block:calc(var(--spacing)*2)}.py-3{padding-block:calc(var(--spacing)*3)}.py-3\.5{padding-block:calc(var(--spacing)*3.5)}.py-4{padding-block:calc(var(--spacing)*4)}.py-16{padding-block:calc(var(--spacing)*16)}.pt-12{padding-top:calc(var(--spacing)*12)}.pr-4{padding-right:calc(var(--spacing)*4)}.pb-6{padding-bottom:calc(var(--spacing)*6)}.pb-12{padding-bottom:calc(var(--spacing)*12)}.pl-8{padding-left:calc(var(--spacing)*8)}.text-center{text-align:center}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-\[13px\]{font-size:13px}.text-\[15px\]{font-size:15px}.text-\[clamp\(1\.75rem\,4vw\,2\.5rem\)\]{font-size:clamp(1.75rem,4vw,2.5rem)}.text-\[clamp\(6rem\,15vw\,10rem\)\]{font-size:clamp(6rem,15vw,10rem)}.leading-5{--tw-leading:calc(var(--spacing)*5);line-height:calc(var(--spacing)*5)}.leading-\[20px\]{--tw-leading:20px;line-height:20px}.leading-none{--tw-leading:1;line-height:1}.leading-normal{--tw-leading:var(--leading-normal);line-height:var(--leading-normal)}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-extrabold{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.text-\[\#1b1b18\]{color:#1b1b18}.text-\[\#706f6c\]{color:#706f6c}.text-\[\#F53003\],.text-\[\#f53003\]{color:#f53003}.text-amber-500{color:var(--color-amber-500)}.text-blue-400{color:var(--color-blue-400)}.text-blue-500{color:var(--color-blue-500)}.text-blue-600{color:var(--color-blue-600)}.text-emerald-500{color:var(--color-emerald-500)}.text-gray-500{color:var(--color-gray-500)}.text-gray-600{color:var(--color-gray-600)}.text-gray-700{color:var(--color-gray-700)}.text-gray-800{color:var(--color-gray-800)}.text-green-500{color:var(--color-green-500)}.text-orange-500{color:var(--color-orange-500)}.text-red-500{color:var(--color-red-500)}.text-slate-500{color:var(--color-slate-500)}.text-slate-600{color:var(--color-slate-600)}.text-slate-900{color:var(--color-slate-900)}.text-transparent{color:#0000}.text-violet-500{color:var(--color-violet-500)}.text-white{color:var(--color-white)}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.italic{font-style:italic}.no-underline{text-decoration-line:none}.underline{text-decoration-line:underline}.underline-offset-4{text-underline-offset:4px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.opacity-90{opacity:.9}.opacity-100{opacity:1}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a),0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-\[0_4px_12px_rgba\(37\,99\,235\,0\.3\)\]{--tw-shadow:0 4px 12px var(--tw-shadow-color,#2563eb4d);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-\[0px_0px_1px_0px_rgba\(0\,0\,0\,0\.03\)\,0px_1px_2px_0px_rgba\(0\,0\,0\,0\.06\)\]{--tw-shadow:0px 0px 1px 0px var(--tw-shadow-color,#00000008),0px 1px 2px 0px var(--tw-shadow-color,#0000000f);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-\[inset_0px_0px_0px_1px_rgba\(26\,26\,0\,0\.16\)\]{--tw-shadow:inset 0px 0px 0px 1px var(--tw-shadow-color,#1a1a0029);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-sm{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a),0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,)0 0 0 calc(1px + var(--tw-ring-offset-width))var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring-gray-300{--tw-ring-color:var(--color-gray-300)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,)var(--tw-brightness,)var(--tw-contrast,)var(--tw-grayscale,)var(--tw-hue-rotate,)var(--tw-invert,)var(--tw-saturate,)var(--tw-sepia,)var(--tw-drop-shadow,)}.backdrop-blur-md{--tw-backdrop-blur:blur(var(--blur-md));-webkit-backdrop-filter:var(--tw-backdrop-blur,)var(--tw-backdrop-brightness,)var(--tw-backdrop-contrast,)var(--tw-backdrop-grayscale,)var(--tw-backdrop-hue-rotate,)var(--tw-backdrop-invert,)var(--tw-backdrop-opacity,)var(--tw-backdrop-saturate,)var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,)var(--tw-backdrop-brightness,)var(--tw-backdrop-contrast,)var(--tw-backdrop-grayscale,)var(--tw-backdrop-hue-rotate,)var(--tw-backdrop-invert,)var(--tw-backdrop-opacity,)var(--tw-backdrop-saturate,)var(--tw-backdrop-sepia,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,)var(--tw-backdrop-brightness,)var(--tw-backdrop-contrast,)var(--tw-backdrop-grayscale,)var(--tw-backdrop-hue-rotate,)var(--tw-backdrop-invert,)var(--tw-backdrop-opacity,)var(--tw-backdrop-saturate,)var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,)var(--tw-backdrop-brightness,)var(--tw-backdrop-contrast,)var(--tw-backdrop-grayscale,)var(--tw-backdrop-hue-rotate,)var(--tw-backdrop-invert,)var(--tw-backdrop-opacity,)var(--tw-backdrop-saturate,)var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-\[max-height\]{transition-property:max-height;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-all{transition-property:all;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-opacity{transition-property:opacity;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-transform{transition-property:transform,translate,scale,rotate;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.delay-300{transition-delay:.3s}.duration-150{--tw-duration:.15s;transition-duration:.15s}.duration-200{--tw-duration:.2s;transition-duration:.2s}.duration-300{--tw-duration:.3s;transition-duration:.3s}.duration-750{--tw-duration:.75s;transition-duration:.75s}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.not-has-\[nav\]\:hidden:not(:has(:is(nav))){display:none}.before\:absolute:before{content:var(--tw-content);position:absolute}.before\:top-0:before{content:var(--tw-content);top:calc(var(--spacing)*0)}.before\:top-1\/2:before{content:var(--tw-content);top:50%}.before\:bottom-0:before{content:var(--tw-content);bottom:calc(var(--spacing)*0)}.before\:bottom-1\/2:before{content:var(--tw-content);bottom:50%}.before\:left-\[0\.4rem\]:before{content:var(--tw-content);left:.4rem}.before\:border-l:before{content:var(--tw-content);border-left-style:var(--tw-border-style);border-left-width:1px}.before\:border-\[\#e3e3e0\]:before{content:var(--tw-content);border-color:#e3e3e0}@media(hover:hover){.hover\:-translate-y-0\.5:hover{--tw-translate-y:calc(var(--spacing)*-.5);translate:var(--tw-translate-x)var(--tw-translate-y)}.hover\:border-\[\#1915014a\]:hover{border-color:#1915014a}.hover\:border-\[\#19140035\]:hover{border-color:#19140035}.hover\:border-black:hover{border-color:var(--color-black)}.hover\:border-blue-600:hover{border-color:var(--color-blue-600)}.hover\:bg-black:hover{background-color:var(--color-black)}.hover\:bg-blue-600:hover{background-color:var(--color-blue-600)}.hover\:bg-blue-600\/5:hover{background-color:#155dfc0d}@supports (color:color-mix(in lab,red,red)){.hover\:bg-blue-600\/5:hover{background-color:color-mix(in oklab,var(--color-blue-600)5%,transparent)}}.hover\:bg-gray-100:hover{background-color:var(--color-gray-100)}.hover\:bg-slate-900\/5:hover{background-color:#0f172b0d}@supports (color:color-mix(in lab,red,red)){.hover\:bg-slate-900\/5:hover{background-color:color-mix(in oklab,var(--color-slate-900)5%,transparent)}}.hover\:text-blue-600:hover{color:var(--color-blue-600)}.hover\:text-gray-400:hover{color:var(--color-gray-400)}.hover\:text-gray-700:hover{color:var(--color-gray-700)}.hover\:text-slate-900:hover{color:var(--color-slate-900)}.hover\:text-white:hover{color:var(--color-white)}.hover\:opacity-80:hover{opacity:.8}.hover\:shadow-\[0_8px_20px_rgba\(37\,99\,235\,0\.4\)\]:hover{--tw-shadow:0 8px 20px var(--tw-shadow-color,#2563eb66);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}}.focus\:border-blue-300:focus{border-color:var(--color-blue-300)}.focus\:ring:focus{--tw-ring-shadow:var(--tw-ring-inset,)0 0 0 calc(1px + var(--tw-ring-offset-width))var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.focus\:outline-none:focus{--tw-outline-style:none;outline-style:none}.active\:bg-gray-100:active{background-color:var(--color-gray-100)}.active\:text-gray-500:active{color:var(--color-gray-500)}.active\:text-gray-700:active{color:var(--color-gray-700)}.active\:text-gray-800:active{color:var(--color-gray-800)}@media(min-width:40rem){.sm\:flex{display:flex}.sm\:hidden{display:none}.sm\:flex-1{flex:1}.sm\:items-center{align-items:center}.sm\:justify-between{justify-content:space-between}.sm\:gap-2{gap:calc(var(--spacing)*2)}.sm\:px-8{padding-inline:calc(var(--spacing)*8)}}@media(min-width:48rem){.md\:col-span-2{grid-column:span 2/span 2}.md\:h-\[72px\]{height:72px}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:gap-8{gap:calc(var(--spacing)*8)}.md\:px-8{padding-inline:calc(var(--spacing)*8)}.md\:pt-16{padding-top:calc(var(--spacing)*16)}.md\:pb-8{padding-bottom:calc(var(--spacing)*8)}.md\:text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}}@media(min-width:64rem){.lg\:col-span-1{grid-column:span 1/span 1}.lg\:-mt-\[6\.6rem\]{margin-top:-6.6rem}.lg\:mb-0{margin-bottom:calc(var(--spacing)*0)}.lg\:mb-6{margin-bottom:calc(var(--spacing)*6)}.lg\:-ml-px{margin-left:-1px}.lg\:ml-0{margin-left:calc(var(--spacing)*0)}.lg\:block{display:block}.lg\:flex{display:flex}.lg\:hidden{display:none}.lg\:aspect-auto{aspect-ratio:auto}.lg\:w-\[438px\]{width:438px}.lg\:max-w-4xl{max-width:var(--container-4xl)}.lg\:grow{flex-grow:1}.lg\:grid-cols-\[2fr_1fr_1fr_1fr\]{grid-template-columns:2fr 1fr 1fr 1fr}.lg\:flex-row{flex-direction:row}.lg\:justify-center{justify-content:center}.lg\:gap-12{gap:calc(var(--spacing)*12)}.lg\:rounded-t-none{border-top-left-radius:0;border-top-right-radius:0}.lg\:rounded-tl-lg{border-top-left-radius:var(--radius-lg)}.lg\:rounded-r-lg{border-top-right-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg)}.lg\:rounded-br-none{border-bottom-right-radius:0}.lg\:p-8{padding:calc(var(--spacing)*8)}.lg\:p-20{padding:calc(var(--spacing)*20)}}@media(min-width:80rem){.xl\:ml-8{margin-left:calc(var(--spacing)*8)}.xl\:gap-9{gap:calc(var(--spacing)*9)}}.rtl\:flex-row-reverse:where(:dir(rtl),[dir=rtl],[dir=rtl] *){flex-direction:row-reverse}@media(prefers-color-scheme:dark){.dark\:block{display:block}.dark\:hidden{display:none}.dark\:border-\[\#3E3E3A\]{border-color:#3e3e3a}.dark\:border-\[\#eeeeec\]{border-color:#eeeeec}.dark\:border-gray-600{border-color:var(--color-gray-600)}.dark\:bg-\[\#0a0a0a\]{background-color:#0a0a0a}.dark\:bg-\[\#1D0002\]{background-color:#1d0002}.dark\:bg-\[\#3E3E3A\]{background-color:#3e3e3a}.dark\:bg-\[\#161615\]{background-color:#161615}.dark\:bg-\[\#eeeeec\]{background-color:#eeeeec}.dark\:bg-gray-700{background-color:var(--color-gray-700)}.dark\:bg-gray-800{background-color:var(--color-gray-800)}.dark\:text-\[\#1C1C1A\]{color:#1c1c1a}.dark\:text-\[\#A1A09A\]{color:#a1a09a}.dark\:text-\[\#EDEDEC\]{color:#ededec}.dark\:text-\[\#F61500\]{color:#f61500}.dark\:text-\[\#FF4433\]{color:#f43}.dark\:text-gray-200{color:var(--color-gray-200)}.dark\:text-gray-300{color:var(--color-gray-300)}.dark\:text-gray-400{color:var(--color-gray-400)}.dark\:text-gray-600{color:var(--color-gray-600)}.dark\:shadow-\[inset_0px_0px_0px_1px_\#fffaed2d\]{--tw-shadow:inset 0px 0px 0px 1px var(--tw-shadow-color,#fffaed2d);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.dark\:before\:border-\[\#3E3E3A\]:before{content:var(--tw-content);border-color:#3e3e3a}@media(hover:hover){.dark\:hover\:border-\[\#3E3E3A\]:hover{border-color:#3e3e3a}.dark\:hover\:border-\[\#62605b\]:hover{border-color:#62605b}.dark\:hover\:border-white:hover{border-color:var(--color-white)}.dark\:hover\:bg-gray-900:hover{background-color:var(--color-gray-900)}.dark\:hover\:bg-white:hover{background-color:var(--color-white)}.dark\:hover\:text-gray-200:hover{color:var(--color-gray-200)}.dark\:hover\:text-gray-300:hover{color:var(--color-gray-300)}}.dark\:focus\:border-blue-700:focus{border-color:var(--color-blue-700)}.dark\:focus\:border-blue-800:focus{border-color:var(--color-blue-800)}.dark\:active\:bg-gray-700:active{background-color:var(--color-gray-700)}.dark\:active\:text-gray-300:active{color:var(--color-gray-300)}}@starting-style{.starting\:translate-y-4{--tw-translate-y:calc(var(--spacing)*4);translate:var(--tw-translate-x)var(--tw-translate-y)}}@starting-style{.starting\:translate-y-6{--tw-translate-y:calc(var(--spacing)*6);translate:var(--tw-translate-x)var(--tw-translate-y)}}@starting-style{.starting\:opacity-0{opacity:0}}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/build/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/build/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/build/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/build/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/build/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/build/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/build/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/build/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/build/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/build/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/build/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/build/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/build/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/build/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/build/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/build/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/build/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/build/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/build/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/build/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/build/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/build/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/build/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/build/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/build/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/build/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/build/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/build/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/build/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/build/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/build/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/build/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/build/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/build/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/build/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/build/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/build/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/build/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/build/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/build/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/build/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/build/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/build/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Size3-Regular-gV2CO0n9.woff2)format("woff2"),url(/build/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/build/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/build/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/build/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/build/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/build/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/build/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.25"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo)")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo)")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.logo-wordmark{font-family:var(--font-display);color:var(--text-secondary);letter-spacing:-.01em;font-weight:500}.logo-wordmark strong{color:var(--text-primary);font-weight:700}.nav-link{font-family:var(--font-body);color:var(--text-secondary);white-space:nowrap;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .2s;position:relative}.nav-link:after{content:"";background:var(--primary);width:0;height:2px;transition:width .3s;position:absolute;bottom:-4px;left:0}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-dropdown{position:relative}.nav-dropdown-toggle{cursor:pointer;background:0 0;border:0;align-items:center;gap:.25rem;padding:0;display:inline-flex}.nav-dropdown-chevron{transition:transform .2s}.nav-dropdown:hover .nav-dropdown-chevron,.nav-dropdown.open .nav-dropdown-chevron{transform:rotate(180deg)}.nav-dropdown-menu{background:var(--background-secondary,#fff);opacity:0;visibility:hidden;pointer-events:none;z-index:1100;border:1px solid #0000000f;border-radius:12px;flex-direction:column;gap:.125rem;min-width:220px;margin-top:.75rem;padding:.5rem;transition:opacity .2s,transform .2s,visibility .2s;display:flex;position:absolute;top:100%;left:50%;transform:translate(-50%)translateY(8px);box-shadow:0 12px 32px #0f172a1f}.nav-dropdown-menu:before{content:"";height:.75rem;position:absolute;top:-.75rem;left:0;right:0}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%)translateY(0)}.nav-dropdown-item{font-family:var(--font-body);color:var(--text-secondary);border-radius:8px;padding:.625rem .875rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:background .2s,color .2s}.nav-dropdown-item:hover,.nav-dropdown-item.active{color:var(--primary);background:#2563eb0f}.header-search{width:2.75rem;height:2.75rem;font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;gap:.625rem;padding:0;font-size:.9375rem;transition:background .2s,border-color .2s,color .2s;display:inline-flex}.header-search:hover{color:var(--text-primary);background:#0f172a0d}.header-search-label,.header-search-key{display:none}@media(min-width:1024px){.header-search{background:var(--bg-tertiary);border-color:#0f172a14;border-radius:12px;justify-content:flex-start;width:15rem;height:2.75rem;padding:0 .5rem 0 .875rem}.header-search:hover{background:var(--bg-secondary);color:var(--text-secondary);border-color:#0f172a47}.header-search-label{text-align:left;flex:1;display:inline}.header-search-key{font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:6px;padding:.125rem .4375rem;font-size:.75rem;font-weight:500;display:inline}.header-search:hover .header-search-key{background:var(--bg-tertiary)}}.header-search.is-redundant{opacity:0;visibility:hidden}.header-search{transition:background .2s,border-color .2s,color .2s,opacity .2s,visibility .2s}.mobile-search{width:100%;min-height:3rem;font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-tertiary);cursor:pointer;text-align:left;border:1px solid #0f172a14;border-radius:12px;align-items:center;gap:.625rem;margin-bottom:.5rem;padding:0 1rem;font-size:1rem;display:flex}.mobile-nav-link.active,.mobile-dropdown-toggle.active{color:var(--primary);background:#2563eb0f}.mobile-nav{max-height:0;display:none}.mobile-nav:not(.active){visibility:hidden;border-top-width:0;padding-block:0}.mobile-nav.active{max-height:640px;display:flex}.mobile-dropdown-menu{max-height:0;display:flex}.mobile-dropdown:not(.open) .mobile-dropdown-menu{visibility:hidden}.mobile-dropdown.open .mobile-dropdown-menu{max-height:480px}.mobile-dropdown.open .mobile-dropdown-chevron{transform:rotate(180deg)}@media(max-width:1023px){.mobile-nav{display:flex}}.skip-link{z-index:2100;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-secondary);border:1px solid #0f172a1f;border-radius:8px;padding:.625rem 1rem;font-size:.9375rem;font-weight:600;text-decoration:none;transition:transform .2s;position:absolute;top:.75rem;left:.75rem;transform:translateY(-200%)}.skip-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;transform:translateY(0)}.nav-dropdown-item:focus-visible,.mobile-nav-link:focus-visible,.mobile-dropdown-toggle:focus-visible,#search-toggle:focus-visible,#mobile-menu-toggle:focus-visible,.mobile-search:focus-visible,.logo:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}.nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:6px;border-radius:4px}#search-toggle:focus-visible{border-radius:12px}#mobile-menu-toggle span{transform-origin:50%}#mobile-menu-toggle.active span:first-child{transform:translateY(6px)rotate(45deg)}#mobile-menu-toggle.active span:nth-child(2){opacity:0}#mobile-menu-toggle.active span:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.home{--hairline:#0f172a14;--hairline-strong:#0f172a1f;max-width:1200px;margin:0 auto;padding:0 2rem 1rem}.home .katex{color:var(--text-primary)}.home ::selection{background:var(--zeszyt-marker,#2563eb29);color:var(--text-primary)}.home-intro{grid-template-rows:1fr auto;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:stretch;gap:0 2rem;padding:2.5rem 0 1rem;display:grid}.home-intro>.home-board{grid-area:1/1}.home-intro>.home-doors{grid-area:1/2/3}.home-intro>.home-board-families{grid-area:2/1}.home-board{background-color:var(--zeszyt-sheet,var(--bg-tertiary));border:1px solid var(--hairline-strong);border-bottom:0;border-radius:16px 16px 0 0;flex-direction:column;justify-content:center;padding:4rem 3rem 2rem;display:flex;position:relative}.home-board,.home-board-families{background-image:var(--zeszyt-squares,none);background-size:22px 22px}.home-mark{color:inherit;background:linear-gradient(transparent 58%,var(--zeszyt-marker,transparent)58%,var(--zeszyt-marker,transparent)92%,transparent 92%);padding:0 .05em}.home-board-chalk{font-size:1.125rem;position:absolute;top:1.5rem;right:2rem}.home-board .home-board-chalk .katex{color:var(--zeszyt-pen,var(--text-secondary))}.home-board .home-search-field{background:var(--bg-secondary);border-color:var(--hairline-strong)}.home-board .home-search-field:hover{border-color:#0f172a47}.home-board .home-search-field:focus-within{border-color:var(--primary)}.home-board-families{background-color:var(--zeszyt-sheet,var(--bg-tertiary));border:1px solid var(--hairline-strong);border-top:0;border-radius:0 0 16px 16px;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;padding:1.25rem 3rem 3rem;display:grid}.home-board-family{background:var(--bg-secondary);border:1px solid var(--hairline-strong);border-radius:10px;flex-direction:column;justify-content:center;gap:.125rem;min-height:3.5rem;padding:.625rem .875rem;text-decoration:none;transition:border-color .2s;display:flex}.home-board-family-name{font-family:var(--font-body);color:var(--text-primary);font-size:.9375rem;font-weight:600;line-height:1.3;transition:color .2s}.home-board-family-count{font-family:var(--font-mono);color:var(--primary);font-size:.75rem;font-weight:600}.home-board-family:hover{border-color:var(--primary)}.home-board-family:hover .home-board-family-name{color:var(--primary)}.home-board-family:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.home-family{scroll-margin-top:6rem}.home-family:target .home-family-title{background:var(--zeszyt-marker,var(--bg-tertiary))}.home-title{font-family:var(--font-display);letter-spacing:-.03em;color:var(--text-primary);text-wrap:balance;margin:0 0 1.5rem;font-size:clamp(2.5rem,4.2vw,3.25rem);font-weight:800;line-height:1.05}.home-lead{font-family:var(--font-body);color:var(--text-secondary);max-width:34em;margin:0 0 2rem;font-size:1.125rem;line-height:1.7}.home-search{max-width:520px;position:relative}.home-search-field{background:var(--bg-secondary);padding:1rem 1.125rem}.home-search-field:hover{border-color:#0f172a47}.home-search-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.home-search-field .search-input{font-size:1.0625rem}.home-search-key{font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-tertiary);border-radius:6px;flex-shrink:0;padding:.25rem .5rem;font-size:.75rem;font-weight:500}.home-search-field:focus-within .home-search-key{visibility:hidden}.home-search-hint{font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0 .25rem;font-size:.875rem}.home-search-results{z-index:20;background:var(--bg-secondary);border:1px solid var(--hairline);border-radius:12px;max-height:min(420px,60vh);margin-top:0;padding:.5rem;position:absolute;top:calc(100% + .5rem);left:0;right:0;box-shadow:0 12px 32px #0f172a1f}.home-search-results .search-empty{padding:.5rem .5rem 0}.home-doors{grid-template-rows:repeat(3,1fr);gap:.75rem;display:grid}.home-door{background:var(--bg-secondary);border:1px solid var(--hairline);border-radius:16px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1.5rem;padding:1.375rem 1.5rem;text-decoration:none;transition:border-color .2s;display:grid}.home-door:hover{border-color:var(--primary)}.home-door--practice{background:var(--zeszyt-marker-wash,var(--bg-secondary));border-color:var(--zeszyt-marker-line,var(--hairline))}.home-door--practice:hover{border-color:var(--zeszyt-marker-ink,var(--primary))}.home-door--practice:hover .home-door-title{color:var(--zeszyt-marker-ink,var(--primary))}.home-door--practice .home-door-count{color:var(--zeszyt-marker-ink,var(--text-secondary))}.home-door-body{flex-direction:column;gap:.375rem;display:flex}.home-door-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.125rem;font-weight:600;line-height:1.3;transition:color .2s}.home-door:hover .home-door-title{color:var(--primary)}.home-door-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.home-door-count{font-family:var(--font-mono);color:var(--primary);font-variant-numeric:tabular-nums;margin-top:.25rem;font-size:.8125rem;font-weight:600}.home-door-arrow,.home-door-peek{display:none}.home-door-arrow{width:1.125rem;height:1.125rem;color:var(--text-secondary)}.home-door-peek{font-family:var(--font-mono);color:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:.75rem}.home-door-preview{border-left:1px solid var(--hairline);justify-content:flex-start;align-self:stretch;align-items:center;min-width:11rem;padding-left:1.5rem;display:flex}.home-door-preview--formula{flex-direction:column;justify-content:center;align-items:flex-start;gap:.375rem;font-size:.95rem}.home-trig{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-secondary);text-align:right;grid-template-columns:repeat(4,auto);gap:.25rem .875rem;font-size:.75rem;display:grid}.home-trig>span:nth-child(4n+1){text-align:left}.home-trig>span{font-family:var(--font-mono)}.home-trig-head{color:var(--text-primary);border-bottom:1px solid var(--hairline);padding-bottom:.25rem;font-weight:600}.home-door-preview--task{align-items:center;gap:.5rem;font-size:1.0625rem}.home-task-verb{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem}.home-nowrap{white-space:nowrap}.home-section{padding-top:4.5rem}.home-section-header{max-width:44rem;margin-bottom:1.75rem}.home-section-title{font-family:var(--font-display);letter-spacing:-.01em;color:var(--text-primary);margin:0 0 .5rem;font-size:1.75rem;font-weight:700;line-height:1.25}.home-section-text{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:1.0625rem;line-height:1.7}.home-arrow{width:1.125rem;height:1.125rem;color:var(--text-tertiary);flex-shrink:0;transition:color .2s}.home-popular{grid-template-rows:repeat(4,auto);grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-flow:column;column-gap:3rem;margin:0;padding:0;list-style:none;display:grid}.home-popular>li{border-bottom:1px solid var(--hairline);transition:border-color .2s}.home-popular>li:nth-child(4n+1){border-top:1px solid var(--hairline)}.home-popular>li:hover{border-bottom-color:var(--primary)}.home-popular-row{grid-template-columns:1.75rem minmax(0,1fr) auto auto;align-items:center;gap:1rem;min-height:5rem;padding:.75rem 0;text-decoration:none;display:grid}.home-popular-rank{width:1.75rem;height:1.75rem;font-family:var(--font-mono);color:var(--zeszyt-sheet,#fff);background:var(--text-primary);font-variant-numeric:tabular-nums;border-radius:8px;place-items:center;font-size:.875rem;font-weight:600;display:grid}.home-popular-name{flex-direction:column;gap:.125rem;min-width:0;display:flex}.home-popular-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.35;transition:color .2s}.home-popular-category{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem}.home-popular-formula{text-align:right;max-width:16rem;padding:.25rem 0;font-size:1.0625rem}.home-popular-row:hover .home-arrow,.home-anatomy-stage:hover .home-arrow,.home-popular-row:hover .home-popular-title{color:var(--primary)}.home-families{grid-template-columns:repeat(4,minmax(0,1fr));align-items:start;gap:2.5rem 2rem;display:grid}.home-family{border-top:2px solid var(--text-primary)}.home-family-title{font-family:var(--font-body);color:var(--text-primary);border-radius:0 0 6px 6px;margin:0 0 .25rem;padding:.625rem .375rem;font-size:.875rem;font-weight:700;line-height:1.3;transition:background .2s,color .2s}.home-family-list{margin:0;padding:0;list-style:none}.home-family .home-category{padding:.875rem 0 1rem}.home-family li:first-child .home-category{border-top:0}.home-categories{grid-template-columns:repeat(3,minmax(0,1fr));column-gap:3rem;margin:0;padding:0;list-style:none;display:grid}.home-category{border-top:1px solid var(--hairline);flex-direction:column;gap:.375rem;height:100%;padding:1.25rem 0 1.5rem;text-decoration:none;display:flex}.home-category-head{justify-content:space-between;align-items:baseline;gap:1rem;display:flex}.home-category-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.125rem;font-weight:600;line-height:1.35;transition:color .2s}.home-category:hover .home-category-title{color:var(--primary)}.home-categories--tools{grid-template-columns:repeat(4,minmax(0,1fr))}.home-category-count{font-family:var(--font-mono);color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0;font-size:.8125rem;font-weight:500}.home-category-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.home-anatomy{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:3rem;display:grid}.home-anatomy-aside{flex-direction:column;gap:1.5rem;display:flex}.home-anatomy-stage{background:var(--bg-main);border:1px solid var(--hairline);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:1rem;padding:3rem 2rem 2rem;text-decoration:none;transition:border-color .2s;display:flex}.home-anatomy-stage:hover{border-color:var(--primary)}.home-anatomy-formula{font-size:2rem}.home-anatomy-formula .katex-display{margin:0}.home-anatomy-note{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;font-style:italic;line-height:1.6}.home-anatomy-link{font-family:var(--font-body);color:var(--primary);align-items:center;gap:.375rem;margin-top:1rem;font-size:.9375rem;font-weight:600;display:inline-flex}.home-anatomy-link .home-arrow{color:currentColor}.home-anatomy-list{border-top:1px solid var(--hairline);margin:0;padding:0;list-style:none}.home-anatomy-list>li{font-family:var(--font-body);color:var(--text-secondary);border-bottom:1px solid var(--hairline);padding:.875rem 0;font-size:.9375rem;line-height:1.6}.home-anatomy-item{font-family:var(--font-display);color:var(--text-primary);margin-bottom:.125rem;font-size:1.0625rem;font-weight:600;display:block}.home-anatomy-footnote{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:1.0625rem;line-height:1.7}.home-family-jump{flex-wrap:wrap;gap:.5rem;margin-top:1rem;display:none}.home-family-jump a{min-height:2.75rem;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--hairline-strong);border-radius:10px;align-items:center;padding:0 .875rem;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.home-family-jump a:hover{color:var(--primary);border-color:var(--primary)}.home-try-task{max-width:52rem}.home-try-more{flex-direction:column;gap:.5rem;max-width:52rem;margin:1.25rem 0 0;display:flex}.home-try-link{font-family:var(--font-body);color:var(--primary);align-self:flex-start;align-items:center;gap:.375rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.home-try-link .home-arrow{color:currentColor}.home-try-link:hover{color:var(--primary-dark)}.home-try-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.home-try-note{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.home-door:focus-visible,.home-popular-row:focus-visible,.home-category:focus-visible,.home-anatomy-stage:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.home-popular-row:focus-visible,.home-category:focus-visible{border-radius:6px}@media print{.home-board{background:0 0;border:0;padding:0}.home-board-chalk,.home-search,.home-board-families,.home-try{display:none}}@media(max-width:1023px){.home-doors{grid-template-rows:none}.home-intro{grid-template-columns:minmax(0,1fr);gap:2.5rem;padding:3rem 0 2.5rem}.home-families{grid-template-columns:repeat(2,minmax(0,1fr))}.home-popular{grid-template-rows:none;grid-template-columns:minmax(0,1fr);grid-auto-flow:row}.home-popular>li:nth-child(4n+1){border-top:0}.home-popular>li:first-child{border-top:1px solid var(--hairline)}.home-categories{grid-template-columns:repeat(2,minmax(0,1fr))}.home-anatomy{grid-template-columns:minmax(0,1fr);gap:2rem}.home-anatomy-aside{display:contents}.home-anatomy-stage{order:1}.home-anatomy-list{order:2}.home-anatomy-footnote{order:3}.home-categories--tools{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.home{padding:0 1rem 1rem}.home-intro{padding-top:2rem;padding-bottom:0}.home-board{padding:2rem 1.25rem 1.5rem}.home-board-chalk{font-size:1.0625rem;top:1rem;right:1.25rem}.home-families{grid-template-columns:minmax(0,1fr)}.home-search-key,.home-door-text,.home-door-preview{display:none}.home-lead{margin-bottom:1.5rem}.home-intro{gap:1.75rem}.home-doors{grid-template-rows:none;gap:.5rem}.home-door{border-radius:12px;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;padding:.875rem 1rem}.home-door-arrow{display:block}.home-door-peek{margin-top:.125rem;display:block}.home-door-title{font-size:1.0625rem}.home-door-count{margin-top:0}.home-section{padding-top:3.5rem}.home-section-title{font-size:1.5rem}.home-popular-row{grid-template-columns:1.5rem minmax(0,1fr) auto;row-gap:.5rem}.home-popular-formula{text-align:left;grid-area:2/2/auto/4;max-width:100%}.home-popular-row .home-arrow{grid-area:1/3}.home-categories,.home-categories--tools{grid-template-columns:minmax(0,1fr)}.home-anatomy-stage{padding:2rem 1.25rem 1.5rem}.home-anatomy-formula{font-size:1.625rem}}@media(max-width:1023px){.home-intro{grid-template-rows:none}.home-intro>.home-board,.home-intro>.home-doors,.home-intro>.home-board-families{grid-area:auto/1}.home-board{border-bottom:1px solid var(--hairline-strong);border-radius:16px;padding-top:3rem;padding-bottom:3rem}.home-intro>.home-board-families{display:none}.home-family-jump{display:flex}}@media(max-width:640px){.home-board{padding:2.5rem 1.25rem 1.5rem}.home-title{margin-bottom:1rem}.home-lead{margin-bottom:1.25rem}.home-period,.home-anatomy-desc{display:none}.home-try-more{margin-top:1rem}}.breadcrumbs{margin-bottom:2rem}.breadcrumb-list{flex-wrap:wrap;align-items:center;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.breadcrumb-item{align-items:center;font-size:.875rem;display:flex}.breadcrumb-item a{color:var(--text-secondary);margin:-.75rem 0;padding:.75rem 0;text-decoration:none;transition:color .2s;display:inline-block}.breadcrumb-item a:hover{color:var(--primary)}.breadcrumb-item a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.breadcrumb-item:not(:last-child):after{content:"›";color:var(--text-tertiary);margin-left:.5rem}.breadcrumb-item.active{color:var(--text-primary);font-weight:500}.cat{--cat-hairline:var(--zeszyt-line,#0f172a14);--cat-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--cat-sheet:var(--zeszyt-sheet,#fff);--cat-grid:var(--zeszyt-grid,#2563eb12);--cat-marker:var(--zeszyt-marker,#fde68a);--cat-measure:40rem;padding:2rem 0 5rem}.cat-shell{max-width:1100px;margin:0 auto;padding:0 2rem}.cat a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.cat-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.cat-lead{max-width:var(--cat-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.cat-meta{font-family:var(--font-mono);color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:0 .75rem;margin:1rem 0 0;font-size:.8125rem;line-height:1.5;display:flex}.cat-meta span{font-family:inherit}.cat-meta a{min-height:2.75rem;font-family:var(--font-body);color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary);align-items:center;font-size:.9375rem;display:inline-flex}@supports (color:color-mix(in lab,red,red)){.cat-meta a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cat-meta a{text-underline-offset:.25em}.cat-meta a:hover{text-decoration-color:currentColor}.cat-stage{background:var(--cat-sheet);border:1px solid var(--cat-hairline-strong);border-radius:16px;grid-template-columns:minmax(0,22rem) minmax(0,1fr);align-items:center;gap:2.5rem;margin:2rem 0 0;padding:2rem 2.5rem;display:grid}.cat-plot{border:1px solid var(--cat-hairline);border-radius:12px;width:100%;max-width:22rem;margin:0 auto;position:relative;overflow:hidden}.cat-plot-svg{width:100%;height:auto;display:block}.cat-plot-square{fill:none;stroke:var(--cat-grid);stroke-width:1px}.cat-plot-axes line,.cat-plot-axes path{fill:none;stroke:var(--text-primary);stroke-width:1.25px;stroke-linecap:round;stroke-linejoin:round}.cat-plot-ticks text{font-family:var(--font-body);font-variant-numeric:tabular-nums;fill:var(--text-secondary);font-size:11px}.cat-plot-ticks .cat-plot-axis-name{fill:var(--text-primary);font-size:12px;font-style:italic}.cat-plot-curve{fill:none;stroke:var(--primary);stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.cat-spot{transform-box:fill-box;transform-origin:50%;transition:transform .2s,stroke-width .2s}.cat-spot--axis{stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:5 4}.cat-spot--roots{fill:var(--accent-dark);stroke:var(--cat-sheet);stroke-width:1.5px}.cat-spot--vertex{fill:var(--text-primary);stroke:var(--cat-sheet);stroke-width:1.5px}.cat-spot--intercept{fill:var(--cat-sheet);stroke:var(--text-primary);stroke-width:1.75px}.cat-plot-label{color:var(--text-primary);white-space:nowrap;border-radius:3px;padding:.1em .2em;font-size:1.0625rem;line-height:1;transition:background-color .2s;position:absolute}.cat-plot-label--left{transform:translate(calc(-100% - .375rem),calc(-100% - .25rem))}.cat-plot-label--right{transform:translate(.375rem,calc(-100% - .25rem))}.cat-label--vertex{background:var(--cat-sheet)}.cat-plot-label--below{transform:translate(-50%,.5rem)}.cat-plot-label--beside{transform:translate(calc(-100% - .5rem),-50%)}.cat-stage:has([data-spot=roots]:is(:hover,:focus-visible)) .cat-spot--roots,.cat-stage:has([data-spot=vertex]:is(:hover,:focus-visible)) .cat-spot--vertex,.cat-stage:has([data-spot=intercept]:is(:hover,:focus-visible)) .cat-spot--intercept{transform:scale(1.45)}.cat-stage:has([data-spot=axis]:is(:hover,:focus-visible)) .cat-spot--axis{stroke:var(--primary);stroke-width:2px}.cat-stage:has([data-spot=roots]:is(:hover,:focus-visible)) .cat-label--roots,.cat-stage:has([data-spot=vertex]:is(:hover,:focus-visible)) .cat-label--vertex,.cat-stage:has([data-spot=intercept]:is(:hover,:focus-visible)) .cat-label--intercept{background:var(--cat-marker)}.cat-stage-function{min-width:0;color:var(--text-primary);margin:0;font-size:1.75rem;overflow:auto hidden}.cat-stage-function .katex-display{text-align:left;margin:0}.cat-stage-function .katex-display>.katex{text-align:left}.cat-stage-caption{max-width:32rem;font-family:var(--font-body);color:var(--text-secondary);margin:.75rem 0 1rem;font-size:1rem;line-height:1.65}.cat-legend{border-top:1px solid var(--cat-hairline);margin:0;padding:0;list-style:none}.cat-legend li{border-bottom:1px solid var(--cat-hairline)}.cat-legend-link{grid-template-columns:11rem minmax(0,1fr);align-items:baseline;gap:1rem;min-height:2.75rem;padding:.625rem .25rem;text-decoration:none;display:grid}.cat-legend-value{color:var(--text-primary);white-space:nowrap;font-size:1.0625rem}.cat-legend-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.5;transition:color .2s}.cat-legend-link:hover .cat-legend-text{color:var(--primary)}.cat-plot--triangle{max-width:24rem}.cat-triangle-fill{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-triangle-fill{fill:color-mix(in srgb,var(--primary)5%,transparent)}}.cat-side{stroke:var(--text-primary);stroke-width:2.25px;stroke-linecap:round;transition:stroke .2s,stroke-width .2s}.cat-angle{fill:none;stroke:var(--text-secondary);stroke-width:1.5px;transition:stroke .2s,stroke-width .2s}.cat-triangle-mark{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.cat-plot-label--east{transform:translate(.625rem,-50%)}.cat-plot-label--south{transform:translate(-50%,.625rem)}.cat-plot-label--northwest{transform:translate(calc(-100% - .25rem),calc(-100% - .25rem))}.cat-plot-label--center{transform:translate(-50%,-50%)}.cat-stage:has([data-spot=sin]:is(:hover,:focus-visible)) :is(.cat-side--a,.cat-side--c),.cat-stage:has([data-spot=cos]:is(:hover,:focus-visible)) :is(.cat-side--b,.cat-side--c),.cat-stage:has([data-spot=tg]:is(:hover,:focus-visible)) :is(.cat-side--a,.cat-side--b),.cat-stage:has([data-spot=ctg]:is(:hover,:focus-visible)) :is(.cat-side--a,.cat-side--b){stroke:var(--primary);stroke-width:4px}.cat-stage:has(:is([data-spot=sin],[data-spot=cos],[data-spot=tg],[data-spot=ctg]):is(:hover,:focus-visible)) .cat-angle--alpha{stroke:var(--primary);stroke-width:2.25px}.cat-stage:has([data-spot=sin]:is(:hover,:focus-visible)) :is(.cat-label--a,.cat-label--c),.cat-stage:has([data-spot=cos]:is(:hover,:focus-visible)) :is(.cat-label--b,.cat-label--c),.cat-stage:has(:is([data-spot=tg],[data-spot=ctg]):is(:hover,:focus-visible)) :is(.cat-label--a,.cat-label--b){background:var(--cat-marker)}.cat-plot--circles{max-width:23rem}.cat-geo-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-geo-area{fill:color-mix(in srgb,var(--primary)5%,transparent)}}.cat-geo-area{transition:fill .2s}.cat-geo-sides{fill:none;stroke:var(--text-primary);stroke-width:2.25px;stroke-linejoin:round;transition:stroke .2s,stroke-width .2s}.cat-geo-circle{fill:none;stroke:var(--text-secondary);stroke-width:1.5px;transition:stroke .2s,stroke-width .2s}.cat-geo-radius{stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:4 3;transition:stroke .2s,stroke-width .2s}.cat-geo-height{stroke:var(--text-secondary);stroke-width:1.5px;stroke-dasharray:5 4;transition:stroke .2s,stroke-width .2s}.cat-geo-mark{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.cat-geo-centre{fill:var(--text-secondary);transition:fill .2s}.cat-plot-label--west{transform:translate(calc(-100% - .5rem),-50%)}.cat-plot-label--southwest{transform:translate(calc(-100% - .25rem),.25rem)}.cat-plot-label--southeast{transform:translate(.25rem,.25rem)}.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-geo-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-geo-area{fill:color-mix(in srgb,var(--primary)16%,transparent)}}.cat-stage:has([data-spot=sides]:is(:hover,:focus-visible)) .cat-geo-sides{stroke:var(--primary);stroke-width:3.5px}.cat-stage:has([data-spot=height]:is(:hover,:focus-visible)) .cat-geo-height,.cat-stage:has([data-spot=incircle]:is(:hover,:focus-visible)) :is(.cat-geo-circle,.cat-geo-radius).cat-geo--incircle,.cat-stage:has([data-spot=circumcircle]:is(:hover,:focus-visible)) :is(.cat-geo-circle,.cat-geo-radius).cat-geo--circumcircle{stroke:var(--primary);stroke-width:3px}.cat-stage:has([data-spot=incircle]:is(:hover,:focus-visible)) .cat-geo-centre.cat-geo--incircle,.cat-stage:has([data-spot=circumcircle]:is(:hover,:focus-visible)) .cat-geo-centre.cat-geo--circumcircle{fill:var(--primary)}.cat-stage:has([data-spot=sides]:is(:hover,:focus-visible)) .cat-label--sides,.cat-stage:has([data-spot=height]:is(:hover,:focus-visible)) .cat-label--height,.cat-stage:has([data-spot=incircle]:is(:hover,:focus-visible)) .cat-label--incircle,.cat-stage:has([data-spot=circumcircle]:is(:hover,:focus-visible)) .cat-label--circumcircle{background:var(--cat-marker)}.cat-der-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-der-area{fill:color-mix(in srgb,var(--primary)9%,transparent)}}.cat-der-area{transition:fill .2s}.cat-der-prime{fill:none;stroke:var(--text-secondary);stroke-width:1.75px;stroke-dasharray:6 4;transition:stroke .2s,stroke-width .2s}.cat-der-guide{stroke:var(--text-secondary);stroke-width:1px;stroke-dasharray:2 3;transition:stroke .2s}.cat-der-zero{fill:var(--cat-sheet);stroke:var(--text-secondary);stroke-width:1.5px;transition:stroke .2s}.cat-der-point{fill:var(--text-primary);stroke:var(--cat-sheet);stroke-width:1.5px}.cat-plot-label--north{background:var(--cat-sheet);transform:translate(-50%,calc(-100% - .5rem))}.cat-stage:has([data-spot=prime]:is(:hover,:focus-visible)) .cat-der-prime{stroke:var(--primary);stroke-width:2.75px}.cat-stage:has([data-spot=prime]:is(:hover,:focus-visible)) .cat-der-guide,.cat-stage:has([data-spot=prime]:is(:hover,:focus-visible)) .cat-der-zero{stroke:var(--primary)}.cat-stage:has([data-spot=max]:is(:hover,:focus-visible)) .cat-spot--max,.cat-stage:has([data-spot=min]:is(:hover,:focus-visible)) .cat-spot--min,.cat-stage:has([data-spot=inflection]:is(:hover,:focus-visible)) .cat-spot--inflection{transform:scale(1.45)}.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-der-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-der-area{fill:color-mix(in srgb,var(--primary)22%,transparent)}}.cat-stage:has([data-spot=prime]:is(:hover,:focus-visible)) .cat-label--prime,.cat-stage:has([data-spot=max]:is(:hover,:focus-visible)) .cat-label--max,.cat-stage:has([data-spot=min]:is(:hover,:focus-visible)) .cat-label--min,.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-label--area{background:var(--cat-marker)}.cat-lin-other{stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:6 4;opacity:.7;transition:stroke .2s,stroke-width .2s,opacity .2s}.cat-lin--perpendicular{stroke-dasharray:2 4;stroke-linecap:round;stroke-width:1.5px}.cat-lin-slope{fill:none;stroke:var(--text-primary);stroke-width:1.25px;stroke-dasharray:4 3;transition:stroke .2s,stroke-width .2s}.cat-lin-distance{stroke:var(--text-secondary);stroke-width:1.5px;transition:stroke .2s,stroke-width .2s}.cat-lin-mark{fill:none;stroke:var(--text-secondary);stroke-width:1px}.cat-lin-point{fill:var(--text-primary)}.cat-label--zero{background:var(--cat-sheet)}.cat-stage:has([data-spot=slope]:is(:hover,:focus-visible)) .cat-lin-slope,.cat-stage:has([data-spot=distance]:is(:hover,:focus-visible)) .cat-lin-distance{stroke:var(--primary);stroke-width:2.5px}.cat-stage:has([data-spot=parallel]:is(:hover,:focus-visible)) .cat-lin--parallel,.cat-stage:has([data-spot=perpendicular]:is(:hover,:focus-visible)) .cat-lin--perpendicular{stroke:var(--primary);stroke-width:2.5px;opacity:1}.cat-stage:has([data-spot=zero]:is(:hover,:focus-visible)) .cat-lin-zero,.cat-stage:has([data-spot=intercept]:is(:hover,:focus-visible)) .cat-lin-intercept{transform:scale(1.45)}.cat-stage:has([data-spot=slope]:is(:hover,:focus-visible)) .cat-label--slope,.cat-stage:has([data-spot=zero]:is(:hover,:focus-visible)) .cat-label--zero,.cat-stage:has([data-spot=intercept]:is(:hover,:focus-visible)) .cat-label--intercept,.cat-stage:has([data-spot=distance]:is(:hover,:focus-visible)) .cat-label--distance{background:var(--cat-marker)}.cat-sketch-intercept{fill:var(--cat-sheet);stroke:var(--text-primary);stroke-width:1.5px}.cat-plot--square{max-width:21rem}.cat-sq-region{fill:#0000;transition:fill .2s}.cat-sq--a2{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-sq--a2{fill:color-mix(in srgb,var(--primary)6%,transparent)}}.cat-sq--b2{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-sq--b2{fill:color-mix(in srgb,var(--primary)6%,transparent)}}.cat-square-cell{fill:none;stroke:var(--cat-hairline-strong);stroke-width:1px}.cat-sq-edge{fill:none;stroke:var(--text-primary);stroke-width:1.5px}.cat-sq-outline{fill:none;stroke:var(--text-primary);stroke-width:2.5px;transition:stroke .2s,stroke-width .2s}.cat-sq-dim{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.cat-sq-name{font-size:1.25rem}.cat-plot-label--bare{color:var(--text-secondary)}.cat-stage:has([data-spot=a2]:is(:hover,:focus-visible)) .cat-sq--a2,.cat-stage:has([data-spot=ab]:is(:hover,:focus-visible)) .cat-sq--ab,.cat-stage:has([data-spot=b2]:is(:hover,:focus-visible)) .cat-sq--b2,.cat-stage:has([data-spot=whole]:is(:hover,:focus-visible)) .cat-sq-region{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=a2]:is(:hover,:focus-visible)) .cat-sq--a2,.cat-stage:has([data-spot=ab]:is(:hover,:focus-visible)) .cat-sq--ab,.cat-stage:has([data-spot=b2]:is(:hover,:focus-visible)) .cat-sq--b2,.cat-stage:has([data-spot=whole]:is(:hover,:focus-visible)) .cat-sq-region{fill:color-mix(in srgb,var(--primary)18%,transparent)}}.cat-stage:has([data-spot=whole]:is(:hover,:focus-visible)) .cat-sq-outline{stroke:var(--primary);stroke-width:3.5px}.cat-stage:has([data-spot=a2]:is(:hover,:focus-visible)) .cat-label--a2,.cat-stage:has([data-spot=ab]:is(:hover,:focus-visible)) .cat-label--ab,.cat-stage:has([data-spot=b2]:is(:hover,:focus-visible)) .cat-label--b2{background:var(--cat-marker)}.cat-plot--ruler{max-width:25rem}.cat-ruler-axis,.cat-ruler-tick{stroke:var(--text-primary);stroke-width:1.5px;stroke-linecap:round}.cat-ruler-dot{fill:var(--cat-sheet);stroke:var(--text-primary);stroke-width:1.5px;transform-box:fill-box;transform-origin:50%;transition:transform .2s,fill .2s}.cat-ruler-dot--product{fill:var(--text-primary)}.cat-ruler-arc{fill:none;stroke:var(--primary);stroke-width:2px;transition:stroke-width .2s}.cat-ruler-arrowhead{fill:none;stroke:var(--primary);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round}.cat-ruler-exponent{color:var(--text-secondary);font-size:.9375rem}.cat-ruler-power{font-size:1.0625rem}.cat-ruler-step{color:var(--primary);font-size:.9375rem}.cat-ruler-row{color:var(--text-secondary);font-size:.875rem}.cat-stage:has([data-spot=three]:is(:hover,:focus-visible)) .cat-ruler-arc--three,.cat-stage:has([data-spot=two]:is(:hover,:focus-visible)) .cat-ruler-arc--two,.cat-stage:has([data-spot=product]:is(:hover,:focus-visible)) .cat-ruler-arc{stroke-width:3.5px}.cat-stage:has([data-spot=one]:is(:hover,:focus-visible)) .cat-ruler-dot--one,.cat-stage:has([data-spot=base]:is(:hover,:focus-visible)) .cat-ruler-dot--base,.cat-stage:has([data-spot=product]:is(:hover,:focus-visible)) .cat-ruler-dot--product,.cat-stage:has([data-spot=three]:is(:hover,:focus-visible)) .cat-ruler-dot--hop{transform:scale(1.5)}.cat-stage:has([data-spot=three]:is(:hover,:focus-visible)) .cat-label--three,.cat-stage:has([data-spot=two]:is(:hover,:focus-visible)) .cat-label--two,.cat-stage:has([data-spot=product]:is(:hover,:focus-visible)) .cat-label--product,.cat-stage:has([data-spot=one]:is(:hover,:focus-visible)) .cat-label--one,.cat-stage:has([data-spot=base]:is(:hover,:focus-visible)) .cat-label--base{background:var(--cat-marker);color:var(--text-primary)}.cat-plot--bars{max-width:20rem}.cat-bars-low{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-bars-low{fill:color-mix(in srgb,var(--primary)12%,transparent)}}.cat-bars-low{transition:fill .2s}.cat-bars-high{fill:#0000;transition:fill .2s}.cat-bars-cell{fill:none;stroke:var(--cat-hairline-strong);stroke-width:1px}.cat-bars-edge{fill:none;stroke:var(--text-primary);stroke-width:1.5px}.cat-bars-outline{fill:none;stroke:var(--text-primary);stroke-width:1.5px;stroke-dasharray:5 3}.cat-bars-pair-outline{fill:none;stroke:#0000;stroke-width:3px;transition:stroke .2s}.cat-bars-riser{stroke:#0000;stroke-width:3.5px;stroke-linecap:round;transition:stroke .2s}.cat-bars-dim{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.cat-bars-value{font-size:.875rem}.cat-bars-reversed{color:var(--text-secondary);font-size:.8125rem}.cat-bars-name{color:var(--text-secondary);font-size:.9375rem}.cat-stage:has([data-spot=first]:is(:hover,:focus-visible)) .cat-bars--first,.cat-stage:has([data-spot=last]:is(:hover,:focus-visible)) .cat-bars--last,.cat-stage:has([data-spot=sum]:is(:hover,:focus-visible)) .cat-bars-low{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=first]:is(:hover,:focus-visible)) .cat-bars--first,.cat-stage:has([data-spot=last]:is(:hover,:focus-visible)) .cat-bars--last,.cat-stage:has([data-spot=sum]:is(:hover,:focus-visible)) .cat-bars-low{fill:color-mix(in srgb,var(--primary)30%,transparent)}}.cat-stage:has([data-spot=pair]:is(:hover,:focus-visible)) .cat-bars--pair{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=pair]:is(:hover,:focus-visible)) .cat-bars--pair{fill:color-mix(in srgb,var(--primary)22%,transparent)}}.cat-stage:has([data-spot=pair]:is(:hover,:focus-visible)) .cat-bars-pair-outline,.cat-stage:has([data-spot=step]:is(:hover,:focus-visible)) .cat-bars-riser{stroke:var(--primary)}.cat-stage:has([data-spot=first]:is(:hover,:focus-visible)) .cat-label--first,.cat-stage:has([data-spot=last]:is(:hover,:focus-visible)) .cat-label--last,.cat-stage:has([data-spot=pair]:is(:hover,:focus-visible)) .cat-label--pair{background:var(--cat-marker)}.cat-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.cat-table--rows .cat-table-label{font-family:var(--font-body);color:var(--text-primary);white-space:normal;font-size:.875rem;font-weight:600}.cat-plot--coords{max-width:22rem}.cat-co-circle{fill:none;stroke:var(--text-secondary);stroke-width:1.5px;transition:stroke .2s,stroke-width .2s}.cat-co-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-co-area{fill:color-mix(in srgb,var(--primary)5%,transparent)}}.cat-co-area{transition:fill .2s}.cat-co-leg{stroke:var(--text-primary);stroke-width:1.5px;transition:stroke .2s,stroke-width .2s}.cat-co-mark{fill:none;stroke:var(--text-secondary);stroke-width:1.25px;transition:stroke .2s}.cat-co-diff{fill:none;stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:4 3;transition:stroke .2s,stroke-width .2s}.cat-co-vector{stroke:var(--primary);stroke-width:2.5px;stroke-linecap:round;transition:stroke-width .2s}.cat-coords-arrowhead{fill:none;stroke:var(--primary);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.cat-co-point{fill:var(--text-primary)}.cat-co-mid{fill:var(--cat-sheet);stroke:var(--text-primary);stroke-width:1.75px}.cat-stage:has([data-spot=distance]:is(:hover,:focus-visible)) .cat-co-diff,.cat-stage:has([data-spot=circle]:is(:hover,:focus-visible)) .cat-co-circle,.cat-stage:has([data-spot=right]:is(:hover,:focus-visible)) .cat-co-leg{stroke:var(--primary);stroke-width:2.75px}.cat-stage:has([data-spot=right]:is(:hover,:focus-visible)) .cat-co-mark{stroke:var(--primary)}.cat-stage:has([data-spot=vector]:is(:hover,:focus-visible)) .cat-co-vector{stroke-width:4px}.cat-stage:has([data-spot=mid]:is(:hover,:focus-visible)) .cat-co-mid{transform:scale(1.5)}.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-co-area{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=area]:is(:hover,:focus-visible)) .cat-co-area{fill:color-mix(in srgb,var(--primary)20%,transparent)}}.cat-stage:has([data-spot=distance]:is(:hover,:focus-visible)) .cat-label--distance,.cat-stage:has([data-spot=mid]:is(:hover,:focus-visible)) .cat-label--mid{background:var(--cat-marker)}.cat-plot--solids{max-width:26rem}.cat-solid-body{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-solid-body{fill:color-mix(in srgb,var(--primary)7%,transparent)}}.cat-solid-body{stroke:none;transition:fill .2s}.cat-solid-edge{fill:none;stroke:var(--text-primary);stroke-width:1.75px;stroke-linejoin:round;transition:stroke .2s,stroke-width .2s}.cat-solid-edge--thin{stroke-width:1.25px}.cat-solid-hidden{fill:none;stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:4 3}.cat-solid-axis{stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:3 3}.cat-solid-dim{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.cat-solid-r{color:var(--text-secondary);font-size:.9375rem}.cat-solid-volume{font-size:.9375rem}.cat-stage:has([data-spot=cone]:is(:hover,:focus-visible)) .cat-solid--cone,.cat-stage:has([data-spot=sphere]:is(:hover,:focus-visible)) .cat-solid--sphere,.cat-stage:has([data-spot=cylinder]:is(:hover,:focus-visible)) .cat-solid--cylinder,.cat-stage:has([data-spot=sum]:is(:hover,:focus-visible)) :is(.cat-solid--cone,.cat-solid--sphere){fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=cone]:is(:hover,:focus-visible)) .cat-solid--cone,.cat-stage:has([data-spot=sphere]:is(:hover,:focus-visible)) .cat-solid--sphere,.cat-stage:has([data-spot=cylinder]:is(:hover,:focus-visible)) .cat-solid--cylinder,.cat-stage:has([data-spot=sum]:is(:hover,:focus-visible)) :is(.cat-solid--cone,.cat-solid--sphere){fill:color-mix(in srgb,var(--primary)22%,transparent)}}.cat-stage:has([data-spot=cone]:is(:hover,:focus-visible)) .cat-solid-edge--cone,.cat-stage:has([data-spot=sphere]:is(:hover,:focus-visible)) .cat-solid-edge--sphere,.cat-stage:has([data-spot=cylinder]:is(:hover,:focus-visible)) .cat-solid-edge--cylinder{stroke:var(--primary);stroke-width:2.5px}.cat-stage:has([data-spot=cone]:is(:hover,:focus-visible)) .cat-label--cone,.cat-stage:has([data-spot=sphere]:is(:hover,:focus-visible)) .cat-label--sphere,.cat-stage:has([data-spot=cylinder]:is(:hover,:focus-visible)) .cat-label--cylinder,.cat-stage:has([data-spot=sum]:is(:hover,:focus-visible)) :is(.cat-label--cone,.cat-label--sphere,.cat-label--cylinder){background:var(--cat-marker)}.cat-table-example{color:var(--text-secondary);margin-top:.375rem;font-size:.9375rem;display:block}.cat-plot--dots{max-width:24rem}.cat-dots-axis{stroke:var(--text-primary);stroke-width:1.5px;stroke-linecap:round}.cat-dots-dot{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-dots-dot{fill:color-mix(in srgb,var(--primary)16%,var(--cat-sheet))}}.cat-dots-dot{stroke:var(--text-primary);stroke-width:1.5px;transition:fill .2s}.cat-dots-mean{stroke:var(--primary);stroke-width:1.75px;stroke-dasharray:5 4;transition:stroke-width .2s}.cat-dots-sigma{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-dots-sigma{fill:color-mix(in srgb,var(--primary)5%,transparent)}}.cat-dots-sigma{transition:fill .2s}.cat-dots-sigma-edge,.cat-dots-range{fill:none;stroke:var(--text-secondary);stroke-width:1.25px;transition:stroke .2s,stroke-width .2s}.cat-dots-median{fill:var(--text-primary);transform-box:fill-box;transform-origin:50%;transition:fill .2s,transform .2s}.cat-dots-tick{color:var(--text-secondary);font-size:.8125rem}.cat-dots-name{font-size:.9375rem}.cat-label--mean{color:var(--primary)}.cat-stage:has([data-spot=mean]:is(:hover,:focus-visible)) .cat-dots-mean{stroke-width:3px}.cat-stage:has([data-spot=median]:is(:hover,:focus-visible)) .cat-dots-median{fill:var(--primary);transform:scale(1.4)}.cat-stage:has([data-spot=mode]:is(:hover,:focus-visible)) .cat-dots-dot--mode{fill:var(--cat-marker)}.cat-stage:has([data-spot=range]:is(:hover,:focus-visible)) .cat-dots-range,.cat-stage:has([data-spot=sigma]:is(:hover,:focus-visible)) .cat-dots-sigma-edge{stroke:var(--primary);stroke-width:2.5px}.cat-stage:has([data-spot=sigma]:is(:hover,:focus-visible)) .cat-dots-sigma{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-stage:has([data-spot=sigma]:is(:hover,:focus-visible)) .cat-dots-sigma{fill:color-mix(in srgb,var(--primary)16%,transparent)}}.cat-stage:has([data-spot=mean]:is(:hover,:focus-visible)) .cat-label--mean,.cat-stage:has([data-spot=median]:is(:hover,:focus-visible)) .cat-label--median,.cat-stage:has([data-spot=mode]:is(:hover,:focus-visible)) .cat-label--mode,.cat-stage:has([data-spot=range]:is(:hover,:focus-visible)) .cat-label--range,.cat-stage:has([data-spot=sigma]:is(:hover,:focus-visible)) .cat-label--sigma{background:var(--cat-marker)}.cat-table-link{font-family:var(--font-display);color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary);font-size:1rem;font-weight:600}@supports (color:color-mix(in lab,red,red)){.cat-table-link{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cat-table-link{text-underline-offset:.2em}.cat-table-link:hover{text-decoration-color:currentColor}.cat-contents{grid-template-columns:repeat(4,minmax(0,1fr));gap:0 1.5rem;margin-top:2.5rem;display:grid}.cat-contents-link{border-top:1px solid var(--cat-hairline-strong);flex-direction:column;gap:.125rem;min-height:2.75rem;padding:.75rem 0 .625rem;text-decoration:none;transition:border-color .2s;display:flex}.cat-contents-name{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600;line-height:1.3;transition:color .2s}.cat-contents-count{font-family:var(--font-mono);color:var(--text-secondary);font-size:.8125rem}.cat-contents-link:hover{border-top-color:var(--primary)}.cat-contents-link:hover .cat-contents-name{color:var(--primary)}.cat-groups{margin-top:3.5rem}.cat-group{scroll-margin-top:5.5rem}.cat-group:target .cat-group-title{background:var(--cat-marker);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;margin-left:-.25em;padding:0 .25em;display:inline}.cat-formula--plain{grid-template-columns:minmax(0,1fr)}.cat-intro a,.cat-choice a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-intro a,.cat-choice a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cat-intro a,.cat-choice a{text-underline-offset:.2em}.cat-intro a:hover,.cat-choice a:hover{text-decoration-color:currentColor}.cat-table-wrap{border:1px solid var(--cat-hairline-strong);background:var(--cat-sheet);border-radius:12px;max-width:44rem;overflow-x:auto}.cat-table{table-layout:fixed;border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.cat-table th,.cat-table td{text-align:center;vertical-align:middle;color:var(--text-primary);border-left:1px solid var(--cat-hairline);border-top:1px solid var(--cat-hairline);padding:.75rem .5rem;font-size:1.0625rem}.cat-table tr>:first-child{border-left:0}.cat-table thead th{color:var(--text-secondary);background:var(--bg-main);border-top:0}.cat-table tr>:first-child{width:20%}.cat-table tbody th{background:var(--bg-main);white-space:nowrap;padding-inline:.875rem}.cat-table .cat-table-none{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem}.cat-steps{counter-reset:cat-step;max-width:46rem;margin:0;padding:0;list-style:none}.cat-step{counter-increment:cat-step;padding:0 0 1.75rem 3.25rem;position:relative}.cat-step:not(:last-child):after{content:"";background:var(--cat-hairline-strong);width:1px;position:absolute;top:1.875rem;bottom:.125rem;left:.875rem}.cat-step:before{content:counter(cat-step);width:1.8125rem;height:1.8125rem;font-family:var(--font-mono);color:var(--text-primary);background:var(--cat-sheet);border:1px solid var(--cat-hairline-strong);border-radius:9999px;justify-content:center;align-items:center;font-size:.8125rem;font-weight:700;display:flex;position:absolute;top:0;left:0}.cat-step-title{font-family:var(--font-display);color:var(--text-primary);margin:0;padding-top:.1875rem;font-size:1.125rem;font-weight:600;line-height:1.4}.cat-step-text{font-family:var(--font-body);color:var(--text-secondary);margin:.25rem 0 .625rem;font-size:.9375rem;line-height:1.65}.cat-step-text a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-step-text a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cat-step-text a{text-underline-offset:.2em;white-space:nowrap}.cat-step-text a:hover{text-decoration-color:currentColor}.cat-step-result{font-size:1.0625rem;line-height:2}.cat-step-result .cat-mark{white-space:normal;-webkit-box-decoration-break:clone;box-decoration-break:clone;display:inline}.cat-table-wrap--wide{max-width:52rem}.cat-table--rows{table-layout:auto}.cat-table--rows tr>:first-child{width:auto}.cat-table--rows th,.cat-table--rows td{text-align:left;padding:.875rem 1.25rem}.cat-table--rows thead th{font-family:var(--font-body);font-size:.8125rem;font-weight:600}.cat-table--rows tbody td.cat-table-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.55}.cat-table--rows .katex{white-space:nowrap}.cat-table--rows tbody th a{color:var(--text-primary);border-bottom:1px solid var(--cat-hairline-strong);text-decoration:none;transition:color .2s,border-color .2s}.cat-table--rows tbody th a:hover{color:var(--primary);border-bottom-color:var(--primary)}.cat-choices{border-top:1px solid var(--cat-hairline);margin:0}.cat-choice{border-bottom:1px solid var(--cat-hairline);grid-template-columns:18rem minmax(0,1fr);gap:.25rem 2rem;padding:1.125rem 0;display:grid}.cat-choice dt{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.45}.cat-choice dd{flex-direction:column;gap:.125rem;max-width:34rem;margin:0;display:flex}.cat-choice dd>a{font-family:var(--font-display);align-self:flex-start;font-size:1.0625rem;font-weight:600;line-height:1.45}.cat-choice dd>.cat-choice-formula{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.45}.cat-choice dd>span:not(.cat-choice-formula){font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.65}.cat-section{margin-top:4.5rem}.cat-heading{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;margin:0 0 1.25rem;font-size:1.75rem;font-weight:700;line-height:1.25}.cat-intro{max-width:var(--cat-measure);font-family:var(--font-body);color:var(--text-secondary);margin:-.25rem 0 1.75rem;font-size:1.0625rem;line-height:1.75}.cat-group{border-top:2px solid var(--text-primary);grid-template-columns:14rem minmax(0,1fr);gap:0 3rem;padding-top:1.25rem;display:grid}.cat-group+.cat-group{margin-top:3.5rem}.cat-group-head{align-self:start;position:sticky;top:6.5rem}.cat-group-title{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;margin:0;font-size:1.375rem;font-weight:700;line-height:1.3}.cat-group-text{font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:.9375rem;line-height:1.6}.cat-formulas{margin:0;padding:0;list-style:none}.cat-formula{border-bottom:1px solid var(--cat-hairline);grid-template-columns:minmax(0,1fr) 15rem;gap:.5rem 2rem;padding:1.375rem 2.25rem 1.5rem 0;scroll-margin-top:6rem;transition:border-color .2s;display:grid;position:relative}.cat-formula:first-child{padding-top:.25rem}.cat-formula:last-child{border-bottom:0}.cat-formula-name{font-family:var(--font-display);margin:0;font-size:1.1875rem;font-weight:600;line-height:1.35}.cat-formula-link{color:var(--text-primary);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;text-decoration:none;transition:color .2s}.cat-formula-link:after{content:"";position:absolute;inset:0}.cat .cat-formula-link:focus-visible{outline:none}.cat .cat-formula-link:focus-visible:after{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}.cat-formula:hover .cat-formula-link,.cat-formula:hover .cat-formula-arrow{color:var(--primary)}.cat-formula:not(:last-child):hover{border-bottom-color:var(--primary)}.cat-formula:target .cat-formula-link{background:var(--cat-marker);margin-left:-.25em;padding:0 .25em}.cat-formula-tex{color:var(--text-primary);margin:.625rem 0 0;padding:.25rem 0;font-size:1.25rem;overflow:auto hidden}.cat-formula-tex .katex{white-space:nowrap}.cat-formula-text{max-width:34rem;font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:.9375rem;line-height:1.7}.cat-formula-example{flex-direction:column;align-items:flex-start;gap:.375rem;margin:0;padding-top:2.25rem;display:flex}.cat-formula-example-label{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem;font-weight:600}.cat-mark{color:var(--text-primary);background:var(--cat-marker);white-space:nowrap;border-radius:3px;padding:.15em .35em;font-size:1.0625rem;display:inline-block}.cat-formula-arrow{width:1.25rem;height:1.25rem;color:var(--text-secondary);transition:color .2s,transform .2s;position:absolute;top:1.625rem;right:.25rem}.cat-formula:first-child .cat-formula-arrow{top:.5rem}.cat-formula:hover .cat-formula-arrow{transform:translate(2px)}.cat-signs{border:1px solid var(--cat-hairline-strong);background:var(--cat-sheet);border-radius:16px;overflow:hidden}.cat-signs-title{font-family:var(--font-display);color:var(--text-primary);border-bottom:1px solid var(--cat-hairline);margin:0;padding:1rem 1.5rem .875rem;font-size:1.0625rem;font-weight:600;line-height:1.4}.cat-signs-row+.cat-signs-title{border-top:1px solid var(--cat-hairline-strong)}.cat-signs-note{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem;font-weight:400}.cat-signs-row{grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.cat-signs-row--three{grid-template-columns:repeat(3,minmax(0,1fr))}.cat-sign{flex-direction:column;align-items:flex-start;gap:.25rem;padding:1.25rem 1.5rem 1.5rem;display:flex}.cat-sign+.cat-sign{border-left:1px solid var(--cat-hairline)}.cat-sketch{background-image:linear-gradient(var(--cat-grid)1px,transparent 1px),linear-gradient(90deg,var(--cat-grid)1px,transparent 1px);background-size:11px 11px;border-radius:8px;width:7.5rem;height:auto;margin-bottom:.5rem;display:block}.cat-sketch-axis{fill:none;stroke:var(--text-primary);stroke-width:1.25px;stroke-linecap:round;stroke-linejoin:round}.cat-sketch-curve{fill:none;stroke:var(--primary);stroke-width:2.25px;stroke-linecap:round}.cat-sketch-root{fill:var(--accent-dark);stroke:var(--cat-sheet);stroke-width:1.5px}.cat-sign-condition{color:var(--text-primary);font-size:1.25rem}.cat-sign-label{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600;line-height:1.4}.cat-sign-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.cat-practice{gap:.75rem;display:grid}.cat-practice .practice-link{margin:0}.theme-zeszyt .cat-practice .practice-link:hover .practice-link-title,.theme-zeszyt .cat-practice .practice-link:hover .practice-link-arrow,.theme-zeszyt .cat-practice .practice-link-arrow{color:var(--zeszyt-marker-ink)}.cat-neighbours{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.5rem;margin-top:4.5rem;display:grid}.cat-neighbour{border-top:2px solid var(--text-primary);flex-direction:column;gap:.125rem;padding:.875rem 0 .5rem;text-decoration:none;transition:border-color .2s;display:flex}.cat-neighbour--next{text-align:right;grid-column:2;align-items:flex-end}.cat-neighbour-label{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem;font-weight:600}.cat-neighbour-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.1875rem;font-weight:600;line-height:1.35;transition:color .2s}.cat-neighbour-count{font-family:var(--font-mono);color:var(--text-secondary);font-size:.8125rem}.cat-neighbour:hover{border-top-color:var(--primary)}.cat-neighbour:hover .cat-neighbour-title{color:var(--primary)}.cat-note{max-width:var(--cat-measure);border-top:1px solid var(--cat-hairline);font-family:var(--font-body);color:var(--text-secondary);margin:3rem 0 0;padding-top:1.5rem;font-size:1rem;line-height:1.7}.cat-note a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cat-note a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cat-note a{text-underline-offset:.2em}.cat-note a:hover{text-decoration-color:currentColor}.cat .tex-inline{white-space:nowrap}.about-first{margin-top:3rem}.about-doors{border-top:2px solid var(--text-primary);margin:0;padding:0;list-style:none}.about-door{border-bottom:1px solid var(--cat-hairline);grid-template-columns:18rem minmax(0,1fr);align-items:baseline;gap:.25rem 2rem;padding:1.25rem 2.5rem 1.25rem 0;transition:border-color .2s;display:grid;position:relative}.about-door-head{flex-direction:column;gap:.125rem;display:flex}.about-door-title{font-family:var(--font-display);margin:0;font-size:1.25rem;font-weight:700;line-height:1.3}.about-door-title a{color:var(--text-primary);text-decoration:none;transition:color .2s}.about-door-title a:after{content:"";position:absolute;inset:0}.cat .about-door-title a:focus-visible{outline:none}.cat .about-door-title a:focus-visible:after{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}.about-door-count{font-family:var(--font-mono);color:var(--text-secondary);font-size:.8125rem}.about-door-text{max-width:34rem;font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:1rem;line-height:1.65}.about-door-arrow{width:1.25rem;height:1.25rem;color:var(--text-secondary);transition:color .2s,transform .2s;position:absolute;top:1.5rem;right:.25rem}.about-door:hover{border-bottom-color:var(--primary)}.about-door:hover .about-door-title a,.about-door:hover .about-door-arrow{color:var(--primary)}.about-door:hover .about-door-arrow{transform:translate(2px)}.cat-intro a{white-space:nowrap}.contact-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 1.5rem;margin:2rem 0 0;display:grid}.contact-fact{border-top:2px solid var(--text-primary);padding:.875rem 0 .25rem}.contact-fact dt{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem;font-weight:600}.contact-fact dd{font-family:var(--font-body);color:var(--text-primary);margin:.25rem 0 0;font-size:1rem;line-height:1.55}.contact-fact dd a,.contact-privacy a,.contact-inline-link{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.contact-fact dd a,.contact-privacy a,.contact-inline-link{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.contact-fact dd a,.contact-privacy a,.contact-inline-link{text-underline-offset:.2em;overflow-wrap:anywhere}.contact-fact dd a:hover,.contact-privacy a:hover,.contact-inline-link:hover{text-decoration-color:currentColor}.contact-sheet{background:var(--cat-sheet);border:1px solid var(--cat-hairline-strong);border-radius:16px;max-width:46rem;margin-top:3rem;padding:2rem 2.25rem 2.25rem}.contact-sheet-title{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.5rem;font-weight:700;line-height:1.3}.contact-sheet-text{font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 1.5rem;font-size:.9375rem;line-height:1.6}.contact-alert{border:1px solid var(--cat-hairline-strong);font-family:var(--font-body);color:var(--text-primary);border-radius:12px;align-items:flex-start;gap:.75rem;margin-bottom:1.5rem;padding:1rem 1.25rem;font-size:.9375rem;line-height:1.6;display:flex}.contact-alert svg{flex-shrink:0;width:1.25rem;height:1.25rem;margin-top:.125rem}.contact-alert p,.contact-alert ul{margin:0}.contact-alert ul{color:var(--text-secondary);padding:0;list-style:none}.contact-alert-text{color:var(--text-secondary)}.contact-alert--success{background:var(--bg-main)}.contact-alert--success svg{color:var(--accent-dark)}.contact-alert--error{border-color:var(--error-line,#ef444447)}.contact-alert--error svg,.contact-alert-title{color:var(--error-dark)}.contact-alert-title{font-weight:600;margin-bottom:.25rem!important}.contact-trap{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.contact-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;display:grid}.contact-field{flex-direction:column;gap:.375rem;min-width:0;display:flex}.contact-field--wide{grid-column:1/-1}.contact-label{font-family:var(--font-body);color:var(--text-primary);font-size:.9375rem;font-weight:600}.contact-input{width:100%;min-height:2.875rem;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-main);border:1px solid var(--cat-hairline-strong);border-radius:12px;padding:.6875rem .875rem;font-size:1rem;line-height:1.5;transition:border-color .2s,background-color .2s}.contact-input::placeholder{color:var(--text-secondary);opacity:.75}.contact-input:hover{border-color:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.contact-input:hover{border-color:color-mix(in srgb,var(--text-primary)35%,transparent)}}.contact-input:focus{outline:2px solid var(--primary);outline-offset:2px;background:var(--cat-sheet)}.contact-input.is-invalid{border-color:var(--error)}.contact-textarea{resize:vertical;min-height:10rem}.contact-error{font-family:var(--font-body);color:var(--error-dark);margin:0;font-size:.875rem;line-height:1.5}.contact-actions{flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;margin-top:1.5rem;display:flex}.contact-submit{min-height:2.875rem;font-family:var(--font-body);color:var(--cat-sheet);background:var(--primary);cursor:pointer;border:0;border-radius:8px;align-items:center;gap:.5rem;padding:0 1.375rem;font-size:1rem;font-weight:600;transition:background-color .2s;display:inline-flex}.contact-submit svg{width:1.125rem;height:1.125rem}.contact-submit:hover{background:var(--primary-dark)}.contact-submit:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.contact-privacy{max-width:24rem;font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.875rem;line-height:1.55}.legal-contents{border-top:2px solid var(--text-primary);margin-top:2.5rem;padding-top:1rem}.legal-contents-title{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 .75rem;font-size:.8125rem;font-weight:600}.legal-contents ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 1.5rem;margin:0;padding:0;list-style:none;display:grid}.legal-contents a{border-bottom:1px solid var(--cat-hairline);min-height:2.75rem;font-family:var(--font-body);color:var(--text-secondary);align-items:baseline;gap:.625rem;padding:.625rem 0;font-size:.9375rem;line-height:1.4;text-decoration:none;transition:color .2s,border-color .2s;display:flex}.legal-contents a:hover{color:var(--primary);border-bottom-color:var(--primary)}.legal-contents-number,.legal-number{font-family:var(--font-mono);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:600}.legal-contents-number{flex-shrink:0;min-width:1.75rem;font-size:.8125rem}.legal-body{margin-top:1rem}.legal-section{border-bottom:1px solid var(--cat-hairline);grid-template-columns:16rem minmax(0,1fr);gap:0 3rem;padding:2.25rem 0;scroll-margin-top:5.5rem;display:grid}.legal-section:last-child{border-bottom:0}.legal-heading{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;margin:0;font-size:1.25rem;font-weight:700;line-height:1.35}.legal-number{color:var(--text-secondary);margin-bottom:.25rem;font-size:.875rem;display:block}.legal-section:target .legal-heading{background:var(--cat-marker);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;margin-left:-.25em;padding:0 .25em;display:inline}.legal-text{max-width:var(--cat-measure);font-family:var(--font-body);color:var(--text-secondary);font-size:1.0625rem;line-height:1.75}.legal-text>*+*{margin-top:.875rem}.legal-text p{margin-bottom:0}.legal-text a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.legal-text a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.legal-text a{text-underline-offset:.2em;overflow-wrap:anywhere}.legal-text a:hover{text-decoration-color:currentColor}.legal-subheading{font-family:var(--font-display);color:var(--text-primary);margin:1.5rem 0 0;font-size:1rem;font-weight:600}.legal-list{margin:0;padding:0;list-style:none}.legal-list li{padding:.125rem 0 .125rem 1.25rem;position:relative}.legal-list li:before{content:"";background:var(--text-primary);width:.5rem;height:1px;position:absolute;top:.85em;left:.125rem}.legal-list--columns{columns:2;column-gap:2rem}.legal-list--columns li{break-inside:avoid}.legal-terms{border-top:1px solid var(--cat-hairline);margin:0}.legal-terms>div{border-bottom:1px solid var(--cat-hairline);grid-template-columns:12rem minmax(0,1fr);gap:.125rem 1.5rem;padding:.625rem 0;display:grid}.legal-terms dt{color:var(--text-primary);font-weight:600}.legal-terms dd{margin:0}.legal-table-wrap{border:1px solid var(--cat-hairline-strong);background:var(--cat-sheet);border-radius:12px;overflow-x:auto}.legal-table{border-collapse:collapse;width:100%;font-size:.9375rem;line-height:1.5}.legal-table th,.legal-table td{text-align:left;vertical-align:top;border-top:1px solid var(--cat-hairline);padding:.625rem .875rem}.legal-table thead th{color:var(--text-secondary);background:var(--bg-main);border-top:0;font-size:.8125rem;font-weight:600}.legal-table tbody th{white-space:nowrap;font-weight:400}.legal-table code{font-family:var(--font-mono);color:var(--text-primary);font-size:.8125rem;font-weight:600}.legal-text .legal-terms+.legal-subheading,.legal-text .legal-table-wrap+.legal-subheading{margin-top:1.75rem}@media(max-width:860px){.cat-contents{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.cat-choice,.about-door{grid-template-columns:minmax(0,1fr)}.contact-facts{grid-template-columns:minmax(0,1fr);gap:.75rem}.legal-contents ol{grid-template-columns:repeat(2,minmax(0,1fr))}.legal-section{grid-template-columns:minmax(0,1fr);gap:1rem;padding:1.75rem 0}.cat-stage{grid-template-columns:minmax(0,1fr);gap:1.75rem;padding:1.5rem}.cat-group{grid-template-columns:minmax(0,1fr)}.cat-group-head{margin-bottom:1.25rem;position:static}.cat-signs-row--three{grid-template-columns:minmax(0,1fr)}.cat-signs-row--three .cat-sign+.cat-sign{border-left:0;border-top:1px solid var(--cat-hairline)}.cat-signs-row--three .cat-sign{grid-template-rows:auto auto 1fr;grid-template-columns:7.5rem minmax(0,1fr);align-items:start;column-gap:1.25rem;display:grid}.cat-signs-row--three .cat-sketch{grid-row:1/4;margin:0}}@media(max-width:640px){.cat-shell{padding:0 1rem}.cat-lead{font-size:1.0625rem}.cat-stage{border-radius:14px;padding:1rem}.cat-stage-function{font-size:1.375rem}.cat-legend-link{grid-template-columns:minmax(0,1fr);gap:.125rem}.cat-section{margin-top:3.5rem}.cat-heading{font-size:1.5rem}.cat-formula{grid-template-columns:minmax(0,1fr);padding-right:2rem}.cat-formula-example{flex-flow:wrap;align-items:baseline;gap:.25rem .625rem;padding-top:.25rem}.cat-formula-tex{font-size:1.125rem}.cat-signs-row{grid-template-columns:minmax(0,1fr)}.cat-sign+.cat-sign{border-left:0;border-top:1px solid var(--cat-hairline)}.cat-sign{grid-template-rows:auto auto 1fr;grid-template-columns:6.5rem minmax(0,1fr);align-items:start;column-gap:1rem;padding:1.125rem 1rem;display:grid}.cat-sketch,.cat-signs-row--three .cat-sketch{grid-row:1/4;width:6.5rem;margin:0}.cat-signs-row--three .cat-sign{grid-template-columns:6.5rem minmax(0,1fr);column-gap:1rem}.cat-signs-title{padding:.875rem 1rem .75rem}.cat-step{padding-left:2.75rem}.contact-sheet{padding:1.5rem 1.25rem}.contact-row,.legal-contents ol{grid-template-columns:minmax(0,1fr)}.legal-text{font-size:1rem}.legal-list--columns{columns:1}.legal-terms>div{grid-template-columns:minmax(0,1fr)}.cat-neighbour-title{font-size:1.0625rem}.cat-contents-name{font-size:.9375rem}.cat-table th,.cat-table td{padding:.625rem .25rem;font-size:.9375rem}.cat-table tbody th{padding-inline:.5rem}.cat-plot--dots .cat-plot-label,.cat-plot--solids .cat-plot-label,.cat-plot--coords .cat-plot-label,.cat-plot--line .cat-plot-label,.cat-plot--derivative .cat-plot-label,.cat-plot--circles .cat-plot-label,.cat-plot--triangle .cat-plot-label{font-size:.9375rem}.cat-table--rows th,.cat-table--rows td{padding:.75rem .625rem}.cat-table--rows td{padding:.625rem .5rem;font-size:.9375rem}.cat-table--rows .cat-table-example,.cat-table-link{font-size:.875rem}.cat-table--rows .cat-table-label{width:5.5rem;font-size:.8125rem;line-height:1.35}.cat-table .cat-table-none{font-size:.6875rem;line-height:1.2}}@media print{.legal-contents,.cat-contents,.cat-meta,.cat-practice,.cat-neighbours{display:none}.cat-stage,.cat-signs{break-inside:avoid}.cat-group-head{position:static}.cat-formula{break-inside:avoid}.cat-mark{background:0 0;text-decoration:underline;text-decoration-thickness:2px}.cat-formula-arrow{display:none}}@media(prefers-reduced-motion:reduce){.cat *,.cat :after{transition:none}}.toc{--toc-hairline:var(--zeszyt-line,#0f172a14);--toc-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--toc-measure:40rem;padding:2rem 0 5rem}.toc-shell{max-width:1100px;margin:0 auto;padding:0 2rem}.toc-header{margin-bottom:1rem}.toc-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.toc-lead{max-width:var(--toc-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.toc-jump{grid-template-columns:repeat(4,minmax(0,1fr));gap:0 1.5rem;margin-top:2.5rem;display:grid}.toc-jump-link{border-top:2px solid var(--text-primary);flex-direction:column;gap:.125rem;min-height:2.75rem;padding:.75rem 0 .5rem;text-decoration:none;transition:border-color .2s;display:flex}.toc-jump-name{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600;line-height:1.3;transition:color .2s}.toc-jump-count{font-family:var(--font-mono);color:var(--text-secondary);font-size:.8125rem}.toc-jump-link:hover{border-top-color:var(--primary)}.toc-jump-link:hover .toc-jump-name{color:var(--primary)}.toc-family{border-top:2px solid var(--text-primary);grid-template-columns:14rem minmax(0,1fr);gap:0 3rem;margin-top:4rem;padding-top:1.25rem;scroll-margin-top:5.5rem;display:grid}.toc-family-head{align-self:start;position:sticky;top:6.5rem}.toc-family-title{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;margin:0;font-size:1.375rem;font-weight:700;line-height:1.3;transition:background .2s;display:inline}.toc-family:target .toc-family-title{background:var(--zeszyt-marker,var(--bg-tertiary));margin-left:-.25em;padding:0 .25em}.toc-family-count{font-family:var(--font-mono);color:var(--text-secondary);margin:.5rem 0 0;font-size:.8125rem;line-height:1.5}.toc-categories{margin:0;padding:0;list-style:none}.toc-category{padding:0 0 2rem;scroll-margin-top:6rem}.toc-category+.toc-category{border-top:1px solid var(--toc-hairline);padding-top:1.75rem}.toc-category:last-child{padding-bottom:0}.toc-category-head{margin:0}.toc-category-link{align-items:baseline;min-height:2.75rem;text-decoration:none;display:flex}.toc-category-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.375rem;font-weight:600;line-height:1.3;transition:color .2s}.toc-category-leader{border-bottom:2px dotted var(--toc-hairline-strong);flex:2rem;min-width:2rem;margin:0 .75rem;transition:border-color .2s;transform:translateY(-.3em)}.toc-category-count{font-family:var(--font-mono);color:var(--text-secondary);flex-shrink:0;font-size:.875rem;transition:color .2s}.toc-category-link:hover .toc-category-title,.toc-category-link:hover .toc-category-count{color:var(--primary)}.toc-category-link:hover .toc-category-leader{border-bottom-color:var(--primary)}.toc-category-text{max-width:var(--toc-measure);font-family:var(--font-body);color:var(--text-secondary);margin:.125rem 0 .875rem;font-size:1rem;line-height:1.7}.toc-formulas{font-family:var(--font-body);margin:0;padding:0;font-size:.9375rem;line-height:1.6;list-style:none}.toc-formulas li{max-width:100%;padding:.3125rem 0;line-height:1.6;display:inline-block}.toc-formulas li:not(:last-child):after{content:"·";color:var(--text-secondary);margin:0 .5rem}.toc-formulas a{color:var(--text-primary);text-decoration:underline;-webkit-text-decoration-color:var(--toc-hairline-strong);text-decoration-color:var(--toc-hairline-strong);text-underline-offset:.2em;transition:color .2s,text-decoration-color .2s}.toc-formulas a:hover{color:var(--primary);text-decoration-color:currentColor}.toc a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.toc-note{max-width:var(--toc-measure);border-top:1px solid var(--toc-hairline);font-family:var(--font-body);color:var(--text-secondary);margin:4rem 0 0;padding-top:1.5rem;font-size:1rem;line-height:1.7}.toc-note a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.toc-note a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.toc-note a{text-underline-offset:.2em}.toc-note a:hover{text-decoration-color:currentColor}@media(max-width:860px){.toc-jump{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.toc-family{grid-template-columns:minmax(0,1fr);margin-top:3rem}.toc-family-head{margin-bottom:1.5rem;position:static}}@media(max-width:640px){.toc-shell{padding:0 1rem}.toc-lead{font-size:1.0625rem}.toc-category-title{font-size:1.1875rem}.toc-category-leader{margin:0 .5rem}}@media print{.toc-jump{display:none}.toc-family-head{position:static}.toc-category{break-inside:avoid}}@media(prefers-reduced-motion:reduce){.toc *,.toc :after{transition:none}}.cke{--cke-hairline:var(--zeszyt-line,#0f172a14);--cke-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--cke-measure:40rem;padding:2rem 0 5rem}.cke-shell{max-width:1100px;margin:0 auto;padding:0 2rem}.cke-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.cke-lead{max-width:var(--cke-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.cke-source{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin-top:1.75rem;display:flex}.cke-download{min-height:2.75rem;font-family:var(--font-body);color:var(--bg-secondary);background:var(--primary);border-radius:8px;align-items:center;gap:.5rem;padding:.625rem 1.125rem;font-size:.9375rem;font-weight:600;text-decoration:none;transition:background .2s;display:inline-flex}.cke-download svg{flex-shrink:0;width:1.125rem;height:1.125rem}.cke-download:hover{background:var(--primary-dark)}.cke-source-note{max-width:26rem;font-family:var(--font-body);color:var(--text-secondary);flex:18rem;margin:0;font-size:.875rem;line-height:1.55}.cke-contents{border-top:1px solid var(--cke-hairline-strong);margin-top:3rem;padding-top:1rem}.cke-contents-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .25rem;font-size:1rem;font-weight:600}.cke-contents-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 2rem;margin:0;padding:0;list-style:none;display:grid}.cke-contents-list a{box-sizing:border-box;min-height:2.75rem;font-family:var(--font-body);color:var(--text-secondary);border-bottom:1px solid var(--cke-hairline);align-items:baseline;gap:.625rem;padding:.625rem 0;font-size:.9375rem;line-height:1.4;text-decoration:none;transition:color .2s,border-color .2s;display:flex}.cke-contents-num{font-family:var(--font-mono);color:var(--text-primary);font-variant-numeric:tabular-nums;flex:0 0 1.5rem;font-size:.8125rem;font-weight:600}.cke-contents-list a:hover{color:var(--primary);border-bottom-color:var(--primary)}.cke-section{border-top:2px solid var(--text-primary);margin-top:4rem;padding-top:1.25rem;scroll-margin-top:5.5rem}.cke-section-head{grid-template-columns:3rem minmax(0,1fr);align-items:baseline;margin-bottom:1.25rem;display:grid}.cke-section-num{font-family:var(--font-mono);color:var(--text-primary);font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:600}.cke-section-title{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;border-radius:3px;margin:0;font-size:1.5rem;font-weight:700;line-height:1.3;transition:background .2s}.cke-section:target .cke-section-title{background:var(--zeszyt-marker,var(--bg-tertiary));-webkit-box-decoration-break:clone;box-decoration-break:clone;margin-left:-.25em;padding:0 .25em;display:inline}.cke-section-text{max-width:var(--cke-measure);font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 0;font-size:1rem;line-height:1.65}.cke-rows{border-top:1px solid var(--cke-hairline);grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2.5rem;margin:0;padding:0;list-style:none;display:grid}.cke-rows li{min-width:0}.cke-row{box-sizing:border-box;border-bottom:1px solid var(--cke-hairline);grid-template-columns:minmax(0,1fr) 1.25rem;align-items:center;column-gap:1rem;height:100%;padding:.875rem 0 1rem;text-decoration:none;transition:border-color .2s;display:grid}.cke-row-name{font-family:var(--font-body);color:var(--text-secondary);grid-column:1;font-size:.875rem;font-weight:600;line-height:1.4;transition:color .2s}.cke-row-formula,.cke-row-topic{min-width:0;color:var(--text-primary);grid-column:1;margin-top:.375rem}.cke-row-formula{font-size:1.125rem;overflow:hidden}.cke-row-formula .katex-html{white-space:nowrap}.cke-row-topic{font-family:var(--font-body);font-size:.9375rem;line-height:1.5}.cke-row-arrow{width:1.25rem;height:1.25rem;color:var(--text-secondary);opacity:.55;grid-area:1/2/span 2;transition:color .2s,opacity .2s,transform .2s}.cke-row:hover{border-bottom-color:var(--primary)}.cke-row:hover .cke-row-name,.cke-row:hover .cke-row-arrow{color:var(--primary);opacity:1}.cke-row:hover .cke-row-arrow{transform:translate(2px)}.cke-section-more{font-family:var(--font-body);color:var(--text-secondary);margin:.875rem 0 0;font-size:.9375rem;line-height:1.7}.cke-section-more a,.cke-faq-source a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.cke-section-more a,.cke-faq-source a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.cke-section-more a,.cke-faq-source a{text-underline-offset:.2em;transition:text-decoration-color .2s}.cke-section-more a:hover,.cke-faq-source a:hover{text-decoration-color:currentColor}.cke a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.cke-faq{border-top:2px solid var(--text-primary);margin-top:5rem;padding-top:1.25rem}.cke-faq-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .5rem;font-size:1.5rem;font-weight:700}.cke-faq-list{margin:0}.cke-faq-list>div{max-width:var(--cke-measure);border-bottom:1px solid var(--cke-hairline);padding:1rem 0}.cke-faq-list dt{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.4}.cke-faq-list dd{font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 0;font-size:1rem;line-height:1.7}.cke-faq-source{max-width:var(--cke-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1.5rem 0 0;font-size:.9375rem;line-height:1.7}@media(max-width:860px){.cke-contents-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.25rem}.cke-rows{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.cke-shell{padding:0 1rem}.cke-lead{font-size:1.0625rem}.cke-section{margin-top:3rem}.cke-section-head{grid-template-columns:2.25rem minmax(0,1fr)}.cke-section-num{font-size:1.0625rem}.cke-section-title{font-size:1.25rem}.cke-contents-list a{font-size:.875rem}}@media print{.cke{padding:0}.cke-shell{max-width:none;padding:0}.breadcrumbs,.cke-source,.cke-contents,.cke-row-arrow,.cke-section-more,.cke-faq{display:none!important}.cke-lead{display:none}.cke-section{margin-top:1.25rem;padding-top:.5rem}.cke-section-head{margin-bottom:.5rem}.cke-section-text{display:none}.cke-rows{grid-template-columns:repeat(2,minmax(0,1fr))}.cke-row{break-inside:avoid;padding:.375rem 0}}@media(prefers-reduced-motion:reduce){.cke *,.cke :after{transition:none}}.hubs{--hubs-hairline:var(--zeszyt-line,#0f172a14);--hubs-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--hubs-measure:40rem;padding:2rem 0 5rem}.hubs-shell{max-width:1100px;margin:0 auto;padding:0 2rem}.hubs-title{max-width:22ch;font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.hubs-lead{max-width:var(--hubs-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.hubs-hub{border-top:2px solid var(--text-primary);grid-template-columns:minmax(0,20rem) minmax(0,1fr);gap:1.5rem 3.5rem;margin-top:3.5rem;padding-top:1.25rem;scroll-margin-top:5.5rem;display:grid}.hubs-hub+.hubs-hub{margin-top:4rem}.hubs-hub-title{font-family:var(--font-display);text-wrap:balance;margin:0;font-size:1.625rem;font-weight:700;line-height:1.25}.hubs-hub-title a{color:var(--text-primary);text-decoration:none;transition:color .2s}.hubs-hub-title a:hover{color:var(--primary)}.hubs-hub-count{margin:.5rem 0 0}.hubs-hub-total{font-family:var(--font-mono);color:var(--text-primary);font-size:.8125rem;font-weight:600;line-height:1.5;display:block}.hubs-hub-levels{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem;line-height:1.5;display:block}.hubs-hub-text{font-family:var(--font-body);color:var(--text-secondary);margin:.75rem 0 0;font-size:1rem;line-height:1.7}.hubs-hub-open{min-height:2.75rem;font-family:var(--font-body);color:var(--zeszyt-marker-ink,var(--text-primary));background:var(--zeszyt-marker-wash,var(--bg-tertiary));border:1px solid var(--zeszyt-marker-line,var(--hubs-hairline-strong));border-radius:8px;align-items:center;gap:.5rem;margin-top:1rem;padding:.5rem 1rem;font-size:.9375rem;font-weight:600;text-decoration:none;transition:border-color .2s;display:inline-flex}.hubs-hub-open svg{width:1rem;height:1rem;transition:transform .2s}.hubs-hub-open:hover{border-color:var(--zeszyt-marker-ink,var(--text-primary))}.hubs-hub-open:hover svg{transform:translate(2px)}.hubs-sections{border-top:1px solid var(--hubs-hairline);margin:0;padding:0;list-style:none}.hubs-section{box-sizing:border-box;border-bottom:1px solid var(--hubs-hairline);grid-template-columns:1.75rem minmax(0,1fr) auto;align-items:baseline;gap:0 .75rem;min-height:2.75rem;padding:.6875rem 0;text-decoration:none;transition:border-color .2s;display:grid}.hubs-section-letter{font-family:var(--font-mono);color:var(--text-primary);font-size:.875rem;font-weight:600}.hubs-section-title{font-family:var(--font-body);color:var(--text-primary);font-size:1rem;line-height:1.45;transition:color .2s}.hubs-section-count{font-family:var(--font-mono);color:var(--text-secondary);white-space:nowrap;font-size:.8125rem;transition:color .2s}.hubs-section:hover{border-bottom-color:var(--primary)}.hubs-section:hover .hubs-section-title,.hubs-section:hover .hubs-section-count{color:var(--primary)}.hubs a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.hubs-heading{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.5rem;font-weight:700;line-height:1.3}.hubs-howto{border-top:2px solid var(--text-primary);margin-top:5rem;padding-top:1.25rem}.hubs-steps{counter-reset:hubs-step;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem 2rem;margin:1.25rem 0 0;padding:0;list-style:none;display:grid}.hubs-steps li{counter-increment:hubs-step;padding-top:2.25rem;position:relative}.hubs-steps li:before{content:counter(hubs-step);width:1.625rem;height:1.625rem;font-family:var(--font-mono);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--hubs-hairline-strong);border-radius:50%;place-items:center;font-size:.8125rem;font-weight:700;display:grid;position:absolute;top:0;left:0}.hubs-steps h3{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.0625rem;font-weight:600;line-height:1.35}.hubs-steps p{font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 0;font-size:.9375rem;line-height:1.65}.hubs-upcoming{border-top:1px solid var(--hubs-hairline-strong);margin-top:4.5rem;padding-top:1.25rem}.hubs-upcoming .hubs-heading{font-size:1.25rem}.hubs-upcoming-text{max-width:var(--hubs-measure);font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:1rem;line-height:1.7}.hubs-upcoming-text a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.hubs-upcoming-text a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.hubs-upcoming-text a{text-underline-offset:.2em}.hubs-upcoming-text a:hover{text-decoration-color:currentColor}.hubs-upcoming-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2.5rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.hubs-upcoming-list li{border-bottom:1px solid var(--hubs-hairline);padding:.75rem 0}.hubs-upcoming-name{font-family:var(--font-body);color:var(--text-primary);font-size:.9375rem;font-weight:600;display:block}.hubs-upcoming-desc{font-family:var(--font-body);color:var(--text-secondary);margin-top:.125rem;font-size:.875rem;line-height:1.55;display:block}@media(max-width:860px){.hubs-hub{grid-template-columns:minmax(0,1fr)}.hubs-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.hubs-shell{padding:0 1rem}.hubs-lead{font-size:1.0625rem}.hubs-hub-title{font-size:1.375rem}.hubs-steps,.hubs-upcoming-list{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){.hubs *,.hubs :after{transition:none}}.tools{--tools-hairline:var(--zeszyt-line,#0f172a14);--tools-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--tools-marker:var(--zeszyt-marker,#fde68a);--tools-measure:40rem;padding:2rem 0 5rem}.tools-shell{max-width:1100px;margin:0 auto;padding:0 2rem}.tools-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.tools-lead{max-width:var(--tools-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.tools-list{border-top:2px solid var(--text-primary);margin:3rem 0 0;padding:0;list-style:none}.tools-item{border-bottom:1px solid var(--tools-hairline);grid-template-columns:minmax(0,1fr) 22rem;align-items:center;gap:1.5rem 4rem;padding:2.25rem 0;display:grid}.tools-item-title{font-family:var(--font-display);margin:0;font-size:1.5rem;font-weight:700;line-height:1.3}.tools-item-title a{color:var(--text-primary);text-decoration:none;transition:color .2s}.tools-item-title a:hover{color:var(--primary)}.tools-item-desc{max-width:34rem;font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:1rem;line-height:1.7}.tools-item-open{min-height:2.75rem;font-family:var(--font-body);color:var(--primary);align-items:center;gap:.5rem;margin-top:.5rem;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.tools-item-open svg{width:1rem;height:1rem;transition:transform .2s}.tools-item-open:hover svg{transform:translate(3px)}.tools a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.tools-preview{background-color:var(--bg-secondary);background-image:var(--zeszyt-squares,none);border:1px solid var(--tools-hairline-strong);min-height:13rem;color:var(--text-primary);background-position:50%;background-size:22px 22px;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:1.25rem;text-decoration:none;transition:border-color .2s;display:flex}.tools-preview:hover{border-color:var(--primary)}.tools-preview-caption{color:var(--text-secondary);font-size:1.0625rem}.tools-mark{color:var(--text-primary);background:var(--tools-marker);border-radius:3px;margin-left:.25em;padding:0 .2em}.tools-rule-example .tools-mark{margin-right:.25em}.tools-times{border-collapse:collapse;font-family:var(--font-body);font-variant-numeric:tabular-nums;font-size:.9375rem}.tools-times th,.tools-times td{text-align:center;border:1px solid var(--tools-hairline);width:2.25rem;height:2rem}.tools-times th{color:var(--text-primary);background:var(--text-primary);font-weight:700}@supports (color:color-mix(in lab,red,red)){.tools-times th{background:color-mix(in srgb,var(--text-primary)4%,var(--bg-secondary))}}.tools-times-corner{color:var(--text-secondary)}.tools-times td{color:var(--text-secondary);background:var(--bg-secondary)}.tools-times .is-line{color:var(--text-primary);background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.tools-times .is-line{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.tools-times .is-hit{background:var(--tools-marker);font-weight:700}.tools-division{flex-direction:column;gap:.625rem;font-size:1.375rem;display:flex}.tools-pascal{flex-direction:column;align-items:center;gap:.25rem;display:flex}.tools-pascal-row{gap:.375rem;display:flex}.tools-pascal-cell{width:2rem;height:1.75rem;font-family:var(--font-body);font-variant-numeric:tabular-nums;color:var(--text-secondary);border-radius:6px;place-items:center;font-size:.9375rem;font-weight:600;display:grid}.tools-pascal-cell.is-source{color:var(--text-primary);box-shadow:inset 0 0 0 1px var(--text-primary)}.tools-pascal-cell.is-hit{color:var(--text-primary);background:var(--tools-marker)}.tools-rules{flex-direction:column;gap:1rem;width:100%;display:flex}.tools-rule{background:var(--bg-secondary);border:1px solid var(--tools-hairline);border-radius:8px;flex-direction:column;gap:.25rem;padding:.625rem .875rem;display:flex}.tools-rule-name{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem;font-weight:600;line-height:1.45}.tools-rule-example{color:var(--text-primary);font-size:1.125rem}.tools-more{margin-top:4.5rem}.tools-more-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .5rem;font-size:1.25rem;font-weight:700}.tools-more-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 2rem;margin:0;padding:0;list-style:none;display:grid}.tools-more-list a{box-sizing:border-box;border-top:1px solid var(--tools-hairline-strong);height:100%;padding:.875rem 0 1rem;text-decoration:none;transition:border-color .2s;display:block}.tools-more-name{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;transition:color .2s;display:block}.tools-more-desc{font-family:var(--font-body);color:var(--text-secondary);margin-top:.25rem;font-size:.9375rem;line-height:1.6;display:block}.tools-more-list a:hover{border-top-color:var(--primary)}.tools-more-list a:hover .tools-more-name{color:var(--primary)}@media(max-width:860px){.tools-item{grid-template-columns:minmax(0,1fr);gap:1.25rem;padding:2rem 0}.tools-preview{min-height:0}.tools-more-list{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.tools-shell{padding:0 1rem}.tools-lead{font-size:1.0625rem}.tools-item-title{font-size:1.3125rem}}.tool{--tool-hairline:var(--zeszyt-line,#0f172a14);--tool-hairline-strong:var(--zeszyt-line-strong,#0f172a29);--tool-marker:var(--zeszyt-marker,#fde68a);--tool-measure:40rem;--tools-hairline:var(--tool-hairline);--tools-hairline-strong:var(--tool-hairline-strong);--tools-marker:var(--tool-marker);padding:2rem 0 5rem}.tool-shell{max-width:900px;margin:0 auto;padding:0 2rem}.tool-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.tool-lead{max-width:var(--tool-measure);font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.tool .tex-inline .katex-html{white-space:nowrap}.tool-mark{color:var(--text-primary);background:var(--tool-marker);border-radius:3px;padding:0 .2em}.tool-figure{background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);border-radius:16px;margin:2.5rem 0 0;overflow:hidden}.tool-readout{background-color:var(--bg-secondary);background-image:var(--zeszyt-squares,none);border-bottom:1px solid var(--tool-hairline-strong);background-position:50%;background-size:22px 22px;align-items:center;min-height:4rem;padding:.75rem 1.5rem;display:flex}.tool-readout-idle{font-family:var(--font-body);color:var(--text-secondary);font-size:1rem}.tool-readout-value{color:var(--text-primary);flex-wrap:wrap;align-items:baseline;gap:.25rem 1rem;font-size:1.5rem;display:flex}.tool-readout-value[hidden]{display:none}.tool-readout-note{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem}.tool-readout-note .katex{font-size:1.0625rem}.tool-figure-caption{border-top:1px solid var(--tool-hairline-strong);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.75rem 2rem;padding:1rem 1.5rem 1.125rem;display:flex}.tool-hint{max-width:30rem;font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.6}.times-table{table-layout:fixed;border-collapse:collapse;width:100%;font-family:var(--font-body);font-variant-numeric:tabular-nums;text-align:center;font-size:1.125rem}.times-table th,.times-table td{border:1px solid var(--tool-hairline);height:3.25rem;padding:0;transition:background-color .15s,color .15s}.times-table tr>:first-child{border-left:0}.times-table tr>:last-child{border-right:0}.times-table thead th{border-top:0}.times-table tbody tr:last-child>*{border-bottom:0}.times-table th{color:var(--text-primary);background:var(--text-primary);font-weight:700}@supports (color:color-mix(in lab,red,red)){.times-table th{background:color-mix(in srgb,var(--text-primary)4%,var(--bg-secondary))}}.times-table thead th{border-bottom-color:var(--tool-hairline-strong)}.times-table tbody th{border-right-color:var(--tool-hairline-strong)}.times-corner{color:var(--text-secondary);font-size:1.375rem}.times-table td{color:var(--text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;font-weight:500}.times-table td.is-square{color:var(--text-primary);font-weight:700}.times-table .is-line{color:var(--text-primary);background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.times-table .is-line{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.times-table th.is-line{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.times-table th.is-line{background:color-mix(in srgb,var(--primary)18%,var(--bg-secondary))}}.times-table td.is-hit{color:var(--text-primary);background:var(--tool-marker);font-weight:700}.times-table td.is-mirror{color:var(--text-primary);box-shadow:inset 0 0 0 2px var(--text-primary)}.times-table td:focus{outline:none}.times-table td:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.times-legend{font-family:var(--font-body);color:var(--text-secondary);flex-wrap:wrap;gap:.5rem 1.25rem;margin:0;padding:0;font-size:.8125rem;font-weight:600;list-style:none;display:flex}.times-legend li{align-items:center;gap:.5rem;display:inline-flex}.times-key{border-radius:3px;place-items:center;width:1.375rem;height:1.125rem;display:inline-grid}.times-key--line{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.times-key--line{background:color-mix(in srgb,var(--primary)14%,var(--bg-secondary))}}.times-key--mirror{box-shadow:inset 0 0 0 2px var(--text-primary)}.times-key--square{font-variant-numeric:tabular-nums;width:auto;color:var(--text-primary);font-size:.875rem;font-weight:700}.div-sheet{background:var(--tool-hairline);grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin:0;padding:0;list-style:none;display:grid}.div-block{background:var(--bg-secondary);transition:background-color .15s}.div-block-title{font-family:var(--font-display);text-align:center;color:var(--text-primary);background:var(--text-primary);margin:0;padding:.75rem .75rem .625rem;font-size:.9375rem;font-weight:600;line-height:1.3}@supports (color:color-mix(in lab,red,red)){.div-block-title{background:color-mix(in srgb,var(--text-primary)4%,var(--bg-secondary))}}.div-block-title{border-bottom:1px solid var(--tool-hairline-strong);transition:background-color .15s}.div-lines{margin:0;padding:.375rem 0;list-style:none}.div-line{font-family:var(--font-body);font-variant-numeric:tabular-nums;color:var(--text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;grid-template-columns:3ch 1.75ch max-content 1.75ch 2ch;justify-content:center;align-items:baseline;padding:.1875rem 0;font-size:1rem;line-height:1.6;transition:background-color .15s,color .15s;display:grid}.div-a{text-align:right}.div-op{text-align:center}.div-q{text-align:right;color:var(--text-primary);font-weight:700}.div-block.is-line,.div-block.is-line .div-line{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.div-block.is-line,.div-block.is-line .div-line{background:color-mix(in srgb,var(--primary)7%,var(--bg-secondary))}}.div-block.is-line .div-block-title{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.div-block.is-line .div-block-title{background:color-mix(in srgb,var(--primary)18%,var(--bg-secondary))}}.div-block.is-line .div-line{color:var(--text-primary)}.div-line.is-hit,.div-block.is-line .div-line.is-hit{color:var(--text-primary);background:var(--tool-marker);font-weight:600}.div-line.is-mirror{color:var(--text-primary);box-shadow:inset 0 0 0 2px var(--text-primary)}.div-line:focus{outline:none}.div-line:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.pt-figure{scroll-margin-top:88px}.pt-controls{border-bottom:1px solid var(--tool-hairline-strong);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1.5rem;padding:.875rem 1.5rem;display:flex}.pt-stepper{align-items:center;gap:.75rem;display:inline-flex}.pt-count{min-width:6.5rem;font-family:var(--font-body);text-align:center;color:var(--text-secondary);font-size:.9375rem}.pt-count strong{font-variant-numeric:tabular-nums;color:var(--text-primary);font-weight:700}.tool-button{min-height:2.5rem;font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:0 .875rem;font-size:.875rem;font-weight:600;transition:color .2s,border-color .2s,background-color .2s;display:inline-flex}.tool-button--icon{width:2.5rem;padding:0}.tool-button svg{width:1.125rem;height:1.125rem}.tool-button:hover:not(:disabled){color:var(--text-primary);border-color:var(--text-primary)}.tool-button:disabled{cursor:default;opacity:.4}.tool-button[aria-pressed=true]{color:var(--text-primary);background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.tool-button[aria-pressed=true]{background:color-mix(in srgb,var(--text-primary)6%,var(--bg-secondary))}}.tool-button[aria-pressed=true]{border-color:var(--text-primary)}.tool-button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.pt-odd-swatch,.pt-key--odd{background:var(--text-primary);border-radius:3px;width:.875rem;height:.875rem}.pt-key--odd{width:1.375rem;height:1.125rem}.pt-stage{padding:1.5rem 1.25rem 1.75rem;overflow-x:auto;container-type:inline-size}.pt-triangle{--rows:11;--pt-gap:4px;--pt-cell:clamp(1.75rem,calc((100cqi - (var(--rows) - 1)*var(--pt-gap))/var(--rows)),3.25rem);align-items:center;gap:var(--pt-gap);flex-direction:column;width:max-content;min-width:100%;margin:0 auto;display:flex}.pt-row{gap:var(--pt-gap);display:flex}.pt-row[hidden]{display:none}.pt-cell{width:var(--pt-cell);height:calc(var(--pt-cell)*.8);font-family:var(--font-body);font-size:clamp(.6875rem,calc(var(--pt-cell)*.32),1.0625rem);font-variant-numeric:tabular-nums;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--tool-hairline);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:6px;place-items:center;padding:0;font-weight:500;transition:background-color .15s,color .15s,box-shadow .15s;display:grid}.pt-cell.is-line{color:var(--text-primary);background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.pt-cell.is-line{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.pt-cell.is-line{border-color:#0000}.pt-cell.is-source{color:var(--text-primary);box-shadow:inset 0 0 0 2px var(--text-primary);border-color:#0000}.pt-cell.is-hit{color:var(--text-primary);background:var(--tool-marker);border-color:#0000;font-weight:700}.pt-triangle.is-odd-mode .pt-cell.is-odd{color:var(--bg-secondary);background:var(--text-primary);border-color:var(--text-primary)}.pt-triangle.is-odd-mode .pt-cell.is-odd.is-source{box-shadow:inset 0 0 0 2px var(--bg-secondary),0 0 0 2px var(--text-primary)}.pt-triangle.is-odd-mode .pt-cell.is-hit{color:var(--text-primary);background:var(--tool-marker)}.pt-cell:focus{outline:none}.pt-cell:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.pt-mini-axis{position:relative}.pt-mini-axis:before,.pt-mini-axis:after{content:"";border-left:1.5px dashed var(--text-primary);height:.625rem;position:absolute;left:50%}.pt-mini-axis:before{top:-.75rem}.pt-mini-axis:after{bottom:-.75rem}.pt-mini-index .tools-pascal-cell{height:1.25rem;font-family:var(--font-mono);font-size:.6875rem;font-weight:600}.sierpinski-svg{width:100%;max-width:15rem;height:auto}.sierpinski-odd{fill:var(--text-primary)}.sierpinski-even{fill:none;stroke:var(--tool-hairline-strong);stroke-width:1px}.plan-aside{background-color:var(--bg-secondary);background-image:var(--zeszyt-squares,none);border:1px solid var(--tool-hairline-strong);background-position:50%;background-size:22px 22px;border-radius:12px;flex-direction:column;align-items:center;gap:.625rem;min-width:12rem;margin:0;padding:1rem 1.25rem;display:flex}.plan-aside figcaption{font-family:var(--font-body);color:var(--text-secondary);white-space:nowrap;font-size:.8125rem;font-weight:600}.plan-aside-lines{color:var(--text-primary);flex-direction:column;align-items:center;gap:.25rem;font-size:1.1875rem;display:flex}.plan-check{align-items:center;gap:.375rem;display:inline-flex}.plan-check svg{width:1.25rem;height:1.25rem;color:var(--accent-dark,#059669)}.plan-aside--strip{background:0 0;border:0;padding:.25rem 0}.plan-strip{grid-template-columns:repeat(5,1.75rem);gap:3px;display:grid}.plan-strip-cell{height:1.75rem;font-family:var(--font-body);font-variant-numeric:tabular-nums;color:var(--text-secondary);box-shadow:inset 0 0 0 1px var(--tool-hairline-strong);border-radius:4px;place-items:center;font-size:.8125rem;font-weight:700;display:grid}.plan-strip-cell.is-on{color:var(--bg-secondary);background:var(--text-primary);box-shadow:none}.family-svg{width:9rem;height:auto}.family-edge{fill:none;stroke:var(--tool-hairline-strong);stroke-width:1.5px;stroke-linecap:round}.family-top,.family-base{font-family:var(--font-body);text-anchor:middle;fill:var(--text-primary);font-weight:700}.family-top{font-size:26px}.family-base{font-size:22px}.remainder-svg{width:100%;max-width:19rem;height:auto}.remainder-group{fill:none;stroke:var(--text-primary);stroke-width:1.25px}.remainder-dot{fill:var(--text-primary)}.remainder-dot--left{fill:var(--bg-secondary);stroke:var(--text-primary);stroke-width:1.5px}.remainder-label{font-family:var(--font-body);text-anchor:middle;fill:var(--text-secondary);font-size:13px;font-weight:600}.tool-link{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.tool-link{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.tool-link{text-underline-offset:.2em;transition:text-decoration-color .2s}.tool-link:hover{text-decoration-color:currentColor}.tool-section{border-top:2px solid var(--text-primary);margin-top:4.5rem;padding-top:1.25rem}.tool-section-title{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;margin:0;font-size:1.75rem;font-weight:700;line-height:1.25}.tool-prose{max-width:var(--tool-measure);font-family:var(--font-body);color:var(--text-secondary);margin:.75rem 0 0;font-size:1.0625rem;line-height:1.75}.plan-legend{font-family:var(--font-body);color:var(--text-secondary);flex-wrap:wrap;gap:.5rem 1.25rem;margin:1.25rem 0 0;padding:0;font-size:.8125rem;font-weight:600;list-style:none;display:flex}.plan-legend li{align-items:center;gap:.5rem;display:inline-flex}.plan{counter-reset:plan-step;margin:1.5rem 0 0;padding:0;list-style:none}.plan-step{counter-increment:plan-step;border-top:1px solid var(--tool-hairline);grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:1.25rem 3rem;padding:1.75rem 0 1.75rem 3rem;display:grid;position:relative}.plan-step:before{content:counter(plan-step);z-index:1;width:1.8125rem;height:1.8125rem;font-family:var(--font-mono);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);border-radius:50%;place-items:center;font-size:.8125rem;font-weight:700;display:grid;position:absolute;top:1.625rem;left:0}.plan-step:not(:last-child):after{content:"";background:var(--tool-hairline-strong);width:1px;position:absolute;top:3.4375rem;bottom:-1.625rem;left:.875rem}.plan-title{font-family:var(--font-display);color:var(--text-primary);margin:.125rem 0 0;font-size:1.25rem;font-weight:600;line-height:1.4}.plan-text p{max-width:34rem;font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:1rem;line-height:1.7}.plan-text .plan-hard{width:max-content;color:var(--text-primary);grid-template-columns:repeat(3,4.25rem);margin-top:.875rem;font-size:1.125rem;display:grid}.plan-hard-cell{text-align:center;border:1px solid var(--tool-hairline-strong);background:var(--bg-secondary);margin:0 -1px -1px 0;padding:.3125rem 0}.plan-hard-col-1{grid-column:1}.plan-hard-col-2{grid-column:2}.plan-hard-col-3{grid-column:3}.plan-map{flex-direction:column;align-items:center;gap:.625rem;margin:0;display:flex}.plan-grid{grid-template-columns:repeat(10,.6875rem);gap:2px;display:grid}.plan-cell,.plan-key{border-radius:2px;width:.6875rem;height:.6875rem}.plan-key{display:inline-block}.plan-cell.is-new,.plan-key--new,.plan-cell.is-known,.plan-key--known{background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.plan-cell.is-known,.plan-key--known{background:color-mix(in srgb,var(--text-primary)22%,var(--bg-secondary))}}.plan-cell.is-mirror,.plan-cell.is-new-mirror,.plan-key--mirror{background:radial-gradient(circle,var(--text-primary)1.5px,transparent 2px)}@supports (color:color-mix(in lab,red,red)){.plan-cell.is-mirror,.plan-cell.is-new-mirror,.plan-key--mirror{background:radial-gradient(circle,color-mix(in srgb,var(--text-primary)45%,transparent)1.5px,transparent 2px)}}.plan-cell.is-new-mirror{background:radial-gradient(circle,var(--text-primary)2.5px,transparent 3px)}.plan-cell.is-todo,.plan-key--todo{box-shadow:inset 0 0 0 1px var(--tool-hairline-strong)}.plan-map figcaption{font-family:var(--font-body);color:var(--text-secondary);white-space:nowrap;font-size:.8125rem;font-weight:600}.tricks,.uses{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 3rem;margin:1.5rem 0 0;display:grid}.trick,.use{border-top:1px solid var(--tool-hairline);padding:1.25rem 0 1.5rem}.trick--wide{grid-column:1/-1;grid-template-columns:minmax(0,1fr);display:grid}.tricks dt,.uses dt{font-family:var(--font-display);color:var(--text-primary);font-size:1.125rem;font-weight:600;line-height:1.4}.tricks dd,.uses dd{margin:0}.tricks dd>p,.uses dd>p{font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 0;font-size:1rem;line-height:1.7}.tricks dd>p.trick-example,.uses dd>p.use-example{color:var(--text-primary);margin-top:.75rem;font-size:1.1875rem;line-height:1.5;overflow:auto hidden}.uses dd>p.use-example--long{font-size:1rem}.trick--wide dd{grid-template-columns:minmax(0,1fr) 19rem;align-items:start;gap:1rem 3rem;display:grid}.trick--wide dd>p{max-width:34rem}.tool-sketch{background-color:var(--bg-secondary);background-image:var(--zeszyt-squares,none);border:1px solid var(--tool-hairline-strong);background-position:50%;background-size:22px 22px;border-radius:12px;flex-direction:column;align-items:center;gap:.5rem;margin:0;padding:1rem 1rem .875rem;display:flex}.fingers-svg{width:100%;max-width:17rem;height:auto}.fingers-up{fill:var(--text-primary)}.fingers-bent{fill:var(--bg-secondary);stroke:var(--text-primary);stroke-width:1.5px;stroke-dasharray:3 2.5}.fingers-num{font-family:var(--font-body);text-anchor:middle;fill:var(--bg-secondary);font-size:10px;font-weight:700}.fingers-bent+.fingers-num{fill:var(--text-primary)}.fingers-brace{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.fingers-count{font-family:var(--font-body);text-anchor:middle;fill:var(--text-primary);font-size:15px;font-weight:700}.tool-sketch figcaption.tool-sketch-label{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem;font-weight:600}.tool-sketch figcaption{color:var(--text-primary);font-size:1.1875rem}.tool-faq{margin:.75rem 0 0}.tool-faq>div{max-width:var(--tool-measure);border-bottom:1px solid var(--tool-hairline);padding:1.125rem 0}.tool-faq dt{font-family:var(--font-display);color:var(--text-primary);font-size:1.125rem;font-weight:600;line-height:1.4}.tool-faq dd{font-family:var(--font-body);color:var(--text-secondary);margin:.375rem 0 0;font-size:1rem;line-height:1.7}.tool .tools-more{margin-top:4.5rem}.tool a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.dc-figure{scroll-margin-top:88px}.dc-entry{border-bottom:1px solid var(--tool-hairline-strong);padding:1.25rem 1.5rem}.dc-entry-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .75rem;font-size:1.125rem;font-weight:700;line-height:1.3}.dc-entry-row{flex-wrap:wrap;align-items:center;gap:1rem 1.75rem;display:flex}.dc-field{flex:16rem;max-width:22rem;position:relative}.dc-input{box-sizing:border-box;width:100%;font-family:var(--font-display);font-variant-numeric:tabular-nums;color:var(--text-primary);caret-color:var(--primary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);border-radius:12px;padding:.375rem 3.25rem .375rem 1rem;font-size:2.25rem;font-weight:700;line-height:1.3;transition:border-color .2s;display:block}.dc-input::placeholder{color:var(--text-secondary);font-weight:400}.dc-input::selection{color:var(--text-primary);background:var(--tool-marker)}.dc-input:hover{border-color:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.dc-input:hover{border-color:color-mix(in srgb,var(--text-primary)40%,transparent)}}.dc-input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-color:var(--text-primary)}.dc-clear{width:2.5rem;height:2.5rem;color:var(--text-secondary);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;padding:0;transition:color .2s,background-color .2s;display:grid;position:absolute;top:50%;right:.5rem;transform:translateY(-50%)}.dc-clear[hidden]{display:none}.dc-clear svg{width:1.125rem;height:1.125rem}.dc-clear:hover{color:var(--text-primary);background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.dc-clear:hover{background:color-mix(in srgb,var(--text-primary)6%,transparent)}}.dc-clear:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.dc-examples{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;display:flex}.dc-examples-label{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem}.dc-examples-list{flex-wrap:wrap;gap:.5rem;display:flex}.dc-examples .tool-button{font-variant-numeric:tabular-nums}.dc-board{flex-wrap:wrap;gap:1.25rem 2rem;padding:1.5rem;display:flex}.dc-family{flex-direction:column;gap:.5rem;display:flex}.dc-family-name{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.8125rem;font-weight:600}.dc-family-tiles{flex-wrap:wrap;gap:.5rem;display:flex}.dc-tile{width:5.25rem;min-height:4.5rem;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:.125rem;padding:.5rem .25rem;transition:background-color .2s,border-color .2s,box-shadow .2s;display:flex}.dc-tile-num{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:700;line-height:1.1}.dc-tile-state{min-height:1.3em;font-family:var(--font-body);white-space:nowrap;font-size:.75rem;font-weight:600;line-height:1.3}.dc-tile.is-yes{color:var(--text-primary);background:var(--tool-marker);border-color:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.dc-tile.is-yes{border-color:color-mix(in srgb,var(--text-primary)22%,var(--tool-marker))}}.dc-tile:hover{border-color:var(--text-primary)}.dc-tile.is-shown{border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary)}.dc-tile:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.dc-caption-text{flex-direction:column;gap:.25rem;max-width:34rem;display:flex}.dc-summary{font-family:var(--font-body);color:var(--text-primary);margin:0;font-size:1rem;font-weight:600;line-height:1.55}.dc-key--yes{background:var(--tool-marker);box-shadow:inset 0 0 0 1px var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.dc-key--yes{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--text-primary)22%,var(--tool-marker))}}.dc-key--no{background:var(--bg-secondary);box-shadow:inset 0 0 0 1px var(--tool-hairline-strong)}.dc-table{border-collapse:collapse;width:100%;font-family:var(--font-body);margin-top:1.5rem;font-size:1rem;line-height:1.55}.dc-table th,.dc-table td{text-align:left;vertical-align:baseline;border-bottom:1px solid var(--tool-hairline);padding:.75rem 1.25rem .75rem 0}.dc-table th:last-child,.dc-table td:last-child{padding-right:0}.dc-table thead th{color:var(--text-secondary);border-bottom-color:var(--tool-hairline-strong);white-space:nowrap;padding-top:0;padding-bottom:.5rem;font-size:.8125rem;font-weight:600}.dc-table thead th:first-child{width:7.5rem}.dc-table-divisor{font-family:var(--font-display);font-variant-numeric:tabular-nums;color:var(--text-primary);font-size:1.25rem;font-weight:700}.dc-table-rule{color:var(--text-primary)}.dc-table-yes,.dc-table-no{white-space:nowrap;font-variant-numeric:tabular-nums}.dc-table-yes{color:var(--text-primary);font-weight:600}.dc-table-no{color:var(--text-secondary)}.dc-tail{text-underline-offset:.22em;text-decoration:underline;text-decoration-thickness:2px}.dc-jump{flex-wrap:wrap;gap:.5rem;margin-top:1.25rem;display:flex}.dc-jump-link{min-height:2.25rem;font-family:var(--font-body);font-variant-numeric:tabular-nums;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);border-radius:8px;align-items:center;padding:0 .75rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:color .2s,border-color .2s;display:inline-flex}.dc-jump-link:hover{color:var(--primary);border-color:var(--primary)}.dc-rules{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 3rem;margin-top:1.75rem;display:grid}.dc-rule{border-top:1px solid var(--tool-hairline-strong);padding:1.25rem 0 1.5rem;scroll-margin-top:88px}.dc-rule-title{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.125rem;font-weight:600;line-height:1.4;transition:color .2s}.dc-rule:target .dc-rule-title{color:var(--primary)}.dc-rule-text{font-family:var(--font-body);color:var(--text-primary);margin:.375rem 0 0;font-size:1rem;line-height:1.6}.dc-rule-check{color:var(--text-primary);margin:.75rem 0 0;font-size:1.1875rem;line-height:1.5;overflow:auto hidden}.dc-rule-no,.dc-rule-why{font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:.9375rem;line-height:1.65}.dc-rule-why{margin-top:.75rem}.dc-rule-why-label{color:var(--text-primary);font-weight:600}.dc-anatomy{grid-template-columns:repeat(5,2.25rem) auto;align-items:center;row-gap:.375rem;display:grid}.dc-digit{height:2.5rem;font-family:var(--font-display);font-variant-numeric:tabular-nums;color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--tool-hairline-strong);grid-row:2;place-items:center;font-size:1.375rem;font-weight:700;display:grid}.dc-digit+.dc-digit{border-left:0}.dc-brace{border:1.5px solid var(--text-secondary);height:.4375rem;margin:0 .25rem}.dc-brace--top{border-bottom:0;border-radius:4px 4px 0 0;grid-area:1/1/auto/6}.dc-brace--1,.dc-brace--2,.dc-brace--3{border-top:0;border-radius:0 0 4px 4px;grid-column-end:6}.dc-brace--1{grid-row:3;grid-column-start:5}.dc-brace--2{grid-row:4;grid-column-start:4}.dc-brace--3{grid-row:5;grid-column-start:3}.dc-brace-label{font-family:var(--font-body);white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--text-primary);grid-column:6;padding-left:.5rem;font-size:.8125rem;font-weight:700;line-height:1}.dc-brace-label--top{grid-row:1}.dc-brace-label--1{grid-row:3}.dc-brace-label--2{grid-row:4}.dc-brace-label--3{grid-row:5}@media(max-width:860px){.trick--wide dd{grid-template-columns:minmax(0,1fr)}.tool-sketch{max-width:22rem}}@media(max-width:760px){.div-sheet{grid-template-columns:repeat(2,minmax(0,1fr))}.div-line{padding:.3125rem 0}}@media(max-width:640px){.tool-shell{padding:0 1rem}.tool-lead{font-size:1.0625rem}.tool-figure{border-radius:12px;margin-top:2rem;margin-left:-.5rem;margin-right:-.5rem}.tool-readout{min-height:3.5rem;padding:.625rem 1rem}.tool-readout-value{font-size:1.3125rem}.pt-controls{padding:.75rem 1rem}.pt-stage{padding:1rem .5rem 1.25rem}.pt-triangle{--pt-gap:3px}.tool-figure-caption{padding:.875rem 1rem 1rem}.times-table{font-size:.875rem}.times-table th,.times-table td{height:2.375rem}.tool-section{margin-top:3.5rem}.tool-section-title{font-size:1.5rem}.plan-step{grid-template-columns:minmax(0,1fr);padding-left:2.5rem}.plan-step:before{width:1.5625rem;height:1.5625rem;top:1.6875rem}.plan-step:not(:last-child):after{top:3.25rem;left:.75rem}.plan-map{flex-direction:row;align-items:center;gap:1rem}.plan-aside{justify-self:start}.plan-aside--strip{flex-direction:row;gap:1rem}.plan-map figcaption,.plan-aside--strip figcaption{white-space:normal}.tricks dd>p.trick-example,.uses dd>p.use-example{font-size:1.0625rem}.uses dd>p.use-example--long{font-size:.875rem}.tricks,.uses{grid-template-columns:minmax(0,1fr)}.dc-entry{padding:1rem}.dc-field{max-width:none}.dc-input{font-size:1.625rem}.dc-board{gap:1rem 1.5rem;padding:1rem}.dc-family-tiles{gap:.375rem}.dc-tile{width:4.25rem;min-height:4rem}.dc-tile-num{font-size:1.3125rem}.dc-rules{grid-template-columns:minmax(0,1fr)}.dc-rule-check{font-size:1.0625rem}.dc-table thead{display:none}.dc-table tbody tr{border-bottom:1px solid var(--tool-hairline);grid-template-columns:2.75rem minmax(0,1fr);column-gap:.75rem;padding:.75rem 0;display:grid}.dc-table th,.dc-table td{border:0;padding:0}.dc-table-divisor{grid-row:span 3}.dc-table-yes,.dc-table-no{margin-top:.25rem;font-size:.9375rem}.dc-table-yes:before,.dc-table-no:before{content:attr(data-label)": ";color:var(--text-secondary);font-weight:400}}@media(prefers-reduced-motion:reduce){.tool *,.tool :after{transition:none}}@media print{.tool-readout,.tool-hint,.pt-controls,.tool .tools-more{display:none}.tool-figure,.tool-sketch,.plan-aside{background:0 0;border-color:#000}.tool-sketch,.plan-aside,.times-table{break-inside:avoid}.tool-figure-caption{display:none}.times-table th,.times-table td{color:#000;height:2.5rem;box-shadow:none;background:0 0;border-color:#999}.tool-figure-caption{border-color:#000}.pt-cell{color:#000;box-shadow:none;background:0 0;border-color:#999}.div-line{color:#000;box-shadow:none;background:0 0;padding:0;line-height:1.45}.div-block-title{background:0 0;border-bottom-color:#999;padding:.375rem .25rem;font-size:.8125rem}.div-sheet{background:0 0;grid-template-columns:repeat(5,minmax(0,1fr));gap:0}.div-block{break-inside:avoid;background:0 0;border-bottom:1px solid #999;border-right:1px solid #999}.div-block:nth-child(5n){border-right:0}.div-block:nth-child(n+6){border-bottom:0}.times-legend,.dc-figure,.dc-jump{display:none}.dc-table tr,.dc-rule{break-inside:avoid}.dc-rule-check .tool-mark{background:0 0}.plan-step,.trick,.use,.tool-faq>div{break-inside:avoid}}@media(prefers-reduced-motion:reduce){.tools *,.tools :after{transition:none}}html:has(.search-dialog[open]){scrollbar-gutter:stable;overflow:hidden}.search-dialog{width:min(640px,100vw - 2rem);max-height:min(640px,100vh - 4rem);color:var(--text-primary);background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:16px;flex-direction:column;margin:10vh auto auto;padding:1.5rem;overflow:hidden;box-shadow:0 12px 32px #0f172a1f}.search-dialog[open]{display:flex}.search-dialog::backdrop{background:#0f172a80}.search-dialog-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.search-dialog-title{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.125rem;font-weight:600}.search-close{width:2.75rem;height:2.75rem;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;margin-right:-.5rem;transition:background-color .2s,color .2s;display:flex}.search-close:hover{color:var(--text-primary);background:#0f172a0d}.search-field{background:var(--bg-main);border:1px solid #0f172a1f;border-radius:12px;align-items:center;gap:.75rem;padding:.875rem 1rem;display:flex}.search-field:focus-within{border-color:var(--primary)}.search-field-icon{width:1.25rem;height:1.25rem;color:var(--text-primary);flex-shrink:0}.search-input{min-width:0;font-family:var(--font-body);color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-size:1.125rem}.search-input::placeholder{color:var(--text-secondary)}.search-input::-webkit-search-cancel-button{display:none}.search-results{overscroll-behavior:contain;margin-top:.75rem;overflow-y:auto}.search-hint{font-family:var(--font-body);color:var(--text-secondary);margin:0;padding:1rem .25rem .25rem;font-size:.9375rem;line-height:1.6}.search-result{border-radius:8px;flex-direction:column;gap:.125rem;padding:.75rem 1rem;text-decoration:none;transition:background-color .2s;display:flex}.search-result:hover,.search-result[aria-selected=true]{background:var(--bg-tertiary)}.search-result[aria-selected=true] .search-result-title{color:var(--primary)}.search-result:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.search-result-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.35}.search-result-category{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem}.search-empty{padding:.5rem 0 0}.search-empty-text{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;padding:0 .25rem;font-size:.9375rem;line-height:1.6}.search-empty-text a{color:var(--primary);text-underline-offset:3px}.search-empty-label{font-family:var(--font-body);letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 .25rem;padding:0 .25rem;font-size:.75rem;font-weight:600}.formula-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.formula-card{background:#fff;border:1px solid #0f172a14;border-radius:16px;flex-direction:column;padding:1.75rem;text-decoration:none;transition:border-color .2s;display:flex;position:relative;overflow:hidden}.formula-card:hover{border-color:var(--primary)}.formula-card-header{margin-bottom:.75rem}.formula-card-category{font-family:var(--font-body);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.375rem;font-size:.75rem;font-weight:600;display:inline-flex}.formula-card-category:before{content:"";background:var(--hue,var(--text-tertiary));border-radius:2px;width:.5rem;height:.5rem}.formula-card-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 1rem;font-size:1.125rem;font-weight:600;line-height:1.4}.formula-card-formula{background:var(--bg-main);border-radius:12px;flex:1;justify-content:center;align-items:center;min-height:100px;margin-bottom:1rem;padding:1.5rem 1rem;display:flex;overflow:hidden}.formula-card-footer{color:var(--text-tertiary);font-family:var(--font-body);justify-content:space-between;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500;transition:color .2s;display:flex}.formula-card:hover .formula-card-footer{color:var(--primary)}.formula-card-inactive{opacity:.6;cursor:not-allowed;pointer-events:none}.formula-card-inactive:hover{border-color:#0f172a14}.formula-card-inactive .formula-card-category,.formula-card-inactive .formula-card-title,.formula-card-inactive .formula-card-footer{color:var(--text-tertiary)}.formula-card-inactive .formula-card-formula{background:var(--bg-tertiary)}.formula-card-badge{font-family:var(--font-body);color:var(--warning);background:var(--warning-light);text-transform:uppercase;letter-spacing:.05em;border-radius:6px;margin-left:.5rem;padding:.375rem .75rem;font-size:.75rem;font-weight:600;display:inline-block}.related-formula-link[href="#"]{opacity:.5;cursor:not-allowed;pointer-events:none}.related-formula-link[href="#"]:hover{border-color:#0f172a14}@media(max-width:640px){.formula-card{padding:1.5rem}.formula-card-title{font-size:1rem}.formula-card-formula{min-height:80px;padding:1rem 0}}.formula-page{padding:2rem 0 4rem}.formula-container{max-width:900px;margin:0 auto;padding:0 2rem}.formula-header{margin-bottom:2rem}.formula-category-badge{font-family:var(--font-body);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.75rem;font-weight:600;display:inline-flex}.formula-category-badge:before{content:"";background:var(--hue,var(--text-tertiary));border-radius:2px;width:.625rem;height:.625rem}.formula-page-title{font-family:var(--font-display);color:var(--text-primary);letter-spacing:-.02em;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800}.formula-display{text-align:center;max-width:100%;margin:3rem 0}.formula-content .formula-display,.related-formula-preview{overflow:auto hidden}.special-case-card,.element-card,.interpretation-card,.related-formula-link{min-width:0}.related-formula-preview{max-width:100%}.formula-box-large{background:var(--bg-main);border:1px solid #0f172a14;border-top:3px solid var(--hue,#0f172a14);border-radius:16px;padding:3rem 2rem;font-size:2rem;position:relative;overflow-x:auto}.formula-note{font-family:var(--font-body);color:var(--text-secondary);margin-top:1rem;font-size:.9375rem;font-style:italic}.formula-content{margin-top:3rem}.content-section{margin-bottom:3rem}.content-heading{font-family:var(--font-display);color:var(--text-primary);margin:0 0 1.5rem;font-size:1.75rem;font-weight:700}.content-text{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:1.0625rem;line-height:1.8}.elements-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.element-card{background:var(--bg-tertiary);text-align:center;border-radius:12px;padding:1.5rem}.element-symbol{font-family:var(--font-mono);color:var(--primary);margin-bottom:.75rem;font-size:2.5rem;font-weight:700;display:block}.element-description{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.6}.interpretation-cards{gap:1.5rem;margin-top:1.5rem;display:grid}.interpretation-card{background:var(--bg-secondary);border:1px solid #0f172a14;border-left:4px solid var(--primary);border-radius:16px;padding:1.75rem}.interpretation-card.positive{border-left-color:var(--accent)}.interpretation-card.zero{border-left-color:var(--warning)}.interpretation-card.negative{border-left-color:var(--error)}.interpretation-header{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-bottom:1rem;display:flex}.interpretation-symbol{max-width:100%;font-family:var(--font-mono);color:var(--text-primary);font-size:1.5rem;font-weight:700;overflow:auto hidden}.interpretation-label{font-family:var(--font-display);color:var(--text-secondary);font-size:1rem;font-weight:600}.interpretation-text{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.7}.usage-list{margin:1.5rem 0 0;padding:0;list-style:none}.usage-item{font-family:var(--font-body);color:var(--text-secondary);margin-bottom:1rem;padding-left:2rem;font-size:1.0625rem;line-height:1.7;position:relative}.usage-item:before{content:"✓";color:var(--accent);font-size:1.25rem;font-weight:700;position:absolute;left:0}.example-box{background:var(--bg-tertiary);border-radius:16px;margin-bottom:2rem;padding:2rem}.example-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 1rem;font-size:1.25rem;font-weight:700}.example-task{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1.5rem;font-size:1rem;line-height:1.7}.example-solution{margin-top:1rem}.example-solution p{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:1rem;line-height:1.7}.solution-steps{flex-direction:column;gap:1rem;margin:1.5rem 0;display:flex}.step{align-items:center;min-width:0;display:flex}.step-formula{flex:1;min-width:0;font-size:1.25rem;overflow:auto hidden}.example-answer{font-family:var(--font-body);color:var(--text-primary);background:var(--bg-secondary);border-left:4px solid var(--accent);border-radius:8px;margin-top:1.5rem;padding:1rem;font-size:1rem;line-height:1.7}.mistakes-list{gap:1.5rem;margin-top:1.5rem;display:grid}.mistake-card{background:var(--error-light);border-left:4px solid var(--error);border-radius:12px;padding:1.5rem}.mistake-title{font-family:var(--font-display);color:var(--error-dark);margin:0 0 .75rem;font-size:1.125rem;font-weight:600}.mistake-description{font-family:var(--font-body);color:var(--error-darker);margin:0 0 .75rem;font-size:.9375rem;line-height:1.7}.mistake-example{font-family:var(--font-mono);color:var(--error-darker);background:var(--bg-secondary);border-radius:6px;margin:0;padding:.75rem;font-size:.875rem}.tips-box{gap:1.25rem;margin-top:1.5rem;display:grid}.tip-item{background:var(--bg-secondary);border:2px solid var(--bg-tertiary);border-radius:12px;align-items:flex-start;gap:1rem;padding:1.5rem;display:flex}.tip-icon{color:var(--primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.tip-icon svg{width:1.5rem;height:1.5rem}.tip-text{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.7}.special-cases{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.special-case-card{background:var(--bg-secondary);border:1px solid #0f172a14;border-left:4px solid var(--primary);border-radius:12px;padding:1.75rem}.special-case-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .75rem;font-size:1.125rem;font-weight:600}.special-case-description{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.7}.related-formula-link{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;flex-direction:column;gap:1rem;padding:1.5rem;text-decoration:none;transition:border-color .2s;display:flex}.related-formula-link:hover{border-color:var(--primary)}.related-formula-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.related-formula-name{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600}.related-formula-preview{color:var(--text-secondary);font-size:1rem}.formulas-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;display:grid}@media(max-width:640px){.formulas-grid{grid-template-columns:1fr}}.tasks-lead{font-family:var(--font-body);color:var(--text-secondary);max-width:720px;margin:1rem 0 0;font-size:1.125rem;line-height:1.75}.tex-inline{font-family:inherit}.tex-glue{white-space:nowrap}.tasks-print-source{display:none}.tasks-toc{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem;margin:2rem 0 0;padding:0;list-style:none;display:grid}.tasks-toc-link{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;align-items:center;gap:.875rem;padding:.875rem 1rem;text-decoration:none;transition:border-color .2s;display:flex}.tasks-toc-link:hover,.tasks-toc-link:focus-visible{border-color:var(--primary)}.tasks-toc-letter{width:2rem;height:2rem;font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-tertiary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;display:flex}.tasks-toc-text{flex-direction:column;min-width:0;display:flex}.tasks-toc-title{font-family:var(--font-display);color:var(--text-primary);font-size:.9375rem;font-weight:600;line-height:1.3}.tasks-toc-count{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem}.tasks-toolbar{background:#fffffff0;border:1px solid #0f172a14;border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin:2rem 0 2.5rem;padding:.625rem .75rem;display:flex;box-shadow:0 4px 12px #0f172a0a}.tasks-filter{background:var(--bg-tertiary);border-radius:10px;gap:.125rem;padding:.25rem;display:inline-flex}.tasks-filter-button,.tasks-action-button{touch-action:manipulation;font-family:var(--font-body);cursor:pointer;border:0;font-size:.875rem;font-weight:600;transition:background-color .2s,color .2s,box-shadow .2s}.tasks-filter-button{color:var(--text-secondary);background:0 0;border-radius:8px;padding:.5rem .875rem}.tasks-filter-button:hover{color:var(--text-primary)}.tasks-filter-button[aria-pressed=true]{color:var(--primary);background:var(--bg-secondary);box-shadow:0 1px 3px #0f172a1a}.tasks-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.tasks-action-button{color:var(--text-secondary);background:0 0;border:1px solid #0f172a1f;border-radius:8px;align-items:center;gap:.375rem;padding:.5rem .875rem;display:inline-flex}.tasks-action-button:hover{color:var(--primary);border-color:var(--primary)}.tasks-action-button svg{width:1rem;height:1rem}.tasks-filter-button:focus-visible,.tasks-action-button:focus-visible,.task-toggle-summary:focus-visible,.task-anchor:focus-visible,.tasks-toc-link:focus-visible,.practice-link:focus-visible,.task-topic-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.tasks-visible-count{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.8125rem}.tasks-section{scroll-margin-top:96px}.tasks-section-intro{font-family:var(--font-body);color:var(--text-secondary);margin:-.75rem 0 1.5rem;font-size:1rem;line-height:1.75}.tasks-basics{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem;margin-top:1.5rem;display:grid}.tasks-basics-item{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;flex-direction:column;gap:.25rem;padding:1rem 1.25rem;text-decoration:none;transition:border-color .2s;display:flex}.tasks-basics-item:hover{border-color:var(--primary)}.tasks-basics-name{font-family:var(--font-body);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:.8125rem;font-weight:600}.tasks-basics-formula{color:var(--text-primary);font-size:1.0625rem}.tasks-basics-formula .katex-display{text-align:left;margin:.25rem 0 0}.tasks-basics-formula .katex-display>.katex{text-align:left}.tasks-table-wrapper{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;margin:1.5rem 0;position:relative;overflow-x:auto}.tasks-table{border-collapse:collapse;width:100%;min-width:560px;font-family:var(--font-body);color:var(--text-primary);font-size:.9375rem}.tasks-table caption{color:var(--text-secondary);text-align:left;padding:1rem 1.25rem .5rem;font-size:.875rem}.tasks-table th,.tasks-table td{text-align:left;vertical-align:middle;border-top:1px solid #0f172a14;padding:.75rem 1rem}.tasks-table thead th{color:var(--text-secondary);background:var(--bg-tertiary);font-size:.8125rem;font-weight:600}.tasks-table tbody th{white-space:nowrap;font-weight:600}.task-card{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:16px;margin-bottom:1.25rem;padding:1.75rem 2rem;scroll-margin-top:96px;transition:border-color .2s,box-shadow .2s;position:relative}.task-card:target{border-color:#2563eb66;box-shadow:0 0 0 4px #2563eb14}.task-card[hidden],.tasks-section[hidden]{display:none}.task-header{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.875rem;display:flex}.task-title{text-wrap:balance;font-family:var(--font-display);color:var(--text-secondary);margin:0;font-size:.9375rem;font-weight:500;line-height:1.5}.task-label{font-family:var(--font-display);color:var(--text-primary);font-weight:700}.task-level{width:1.25rem;height:1.25rem;font-family:var(--font-mono);color:var(--text-secondary);vertical-align:.0625rem;cursor:help;border:1.5px solid;border-radius:5px;justify-content:center;align-items:center;margin-left:.25rem;font-size:.6875rem;font-weight:700;text-decoration:none;display:inline-flex}.task-aside{flex-shrink:0;align-items:baseline;gap:.75rem;display:flex}.task-points{font-family:var(--font-body);color:var(--text-secondary);white-space:nowrap;font-size:.8125rem}.task-anchor{font-family:var(--font-mono);color:var(--text-tertiary);opacity:0;font-size:.875rem;text-decoration:none;transition:opacity .2s,color .2s}.task-card:hover .task-anchor,.task-anchor:focus-visible{opacity:1}.task-anchor:hover{color:var(--primary)}.task-body{font-family:var(--font-body);color:var(--text-primary);font-size:1.125rem;line-height:1.75}.task-body p{font-family:var(--font-body);margin:0 0 .75rem}.task-body p:last-child{margin-bottom:0}.task-body .katex{font-size:1.1em}.task-options{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.5rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.task-option{border:1px solid #0f172a1a;border-radius:10px;align-items:center;gap:.625rem;padding:.625rem .875rem;display:flex}.task-option-letter{font-family:var(--font-mono);color:var(--text-secondary);font-size:.875rem;font-weight:700}.task-plot{margin:1.25rem 0 1rem}.task-plot-canvas{max-width:640px;margin:0 auto;overflow:hidden}.task-plot-caption{font-family:var(--font-body);color:var(--text-secondary);text-align:center;margin-top:.5rem;font-size:.875rem;line-height:1.5}.task-figure{margin:1.25rem 0 1rem}.task-figure svg{width:100%;max-width:420px;height:auto;margin:0 auto;display:block;overflow:visible}.task-figure-caption{font-family:var(--font-body);color:var(--text-secondary);text-align:center;margin-top:.5rem;font-size:.875rem;line-height:1.5}.task-figure .fig-line{fill:none;stroke:var(--text-primary);stroke-width:2px;stroke-linejoin:round}.task-figure .fig-shape{fill:#2563eb1a;stroke:var(--primary);stroke-width:2.5px;stroke-linejoin:round}.task-figure .fig-fill{fill:#2563eb1a;stroke:none}.task-figure .fig-thick{stroke-width:5px}.task-figure .fig-accent{fill:none;stroke:var(--accent);stroke-width:2.5px}.task-figure .fig-dim{fill:none;stroke:var(--text-tertiary);stroke-width:1.5px;stroke-dasharray:5 4}.task-figure .fig-point{fill:var(--accent)}.task-figure .fig-label{font-family:var(--font-mono);fill:var(--text-secondary);font-size:17px}.task-figure .fig-label--strong{fill:var(--primary);font-weight:600}.task-actions{flex-wrap:wrap;gap:.5rem;margin-top:1.5rem;display:flex}.task-action{touch-action:manipulation;font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0f172a1f;border-radius:8px;align-items:center;gap:.375rem;padding:.4375rem .75rem;font-size:.875rem;font-weight:500;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex}.task-action:hover{color:var(--text-primary);border-color:#0f172a40}.task-action[aria-expanded=true]{color:var(--text-primary);background:var(--bg-tertiary);border-color:#0000}.task-action:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.task-action-chevron{width:.875rem;height:.875rem;transition:transform .2s}.task-action[aria-expanded=true] .task-action-chevron{transform:rotate(180deg)}.task-panel{margin-top:1rem;scroll-margin-top:96px}.task-panel[hidden]{background:0 0;border:0;margin:0;padding:0}.task-panel-label{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:.75rem;font-size:.75rem;font-weight:600;display:block}.task-panel--hint{background:var(--bg-main);border-radius:10px;padding:1rem 1.25rem}.task-panel--hint p{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.7}.task-panel--solution{border-top:1px solid #0f172a14;padding-top:1.25rem}.task-panel--solution>p{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:.9375rem;line-height:1.7}.task-steps{counter-reset:task-step;margin:0 0 1rem;padding:0 0 0 2.5rem;list-style:none;position:relative}.task-steps:before{content:"";background:#0f172a1a;width:1px;position:absolute;top:.75rem;bottom:.75rem;left:.6875rem}.task-step{counter-increment:task-step;padding:.25rem 0 1rem;position:relative}.task-step:last-child{padding-bottom:.25rem}.task-step:before{content:counter(task-step);width:1.4375rem;height:1.4375rem;font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-secondary);border:1px solid #0f172a2e;border-radius:50%;justify-content:center;align-items:center;font-size:.6875rem;font-weight:600;display:flex;position:absolute;top:.3125rem;left:-2.5rem}.task-step-comment{font-family:var(--font-body);color:var(--text-secondary);margin:.125rem 0 .25rem;font-size:.9375rem;line-height:1.7}.task-step-formula{color:var(--text-primary);padding:.375rem 0;font-size:1.125rem;line-height:2.25;overflow:auto hidden}.task-panel--solution .example-answer{background:var(--bg-main);margin-top:.5rem}.task-formulas{font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:.8125rem;line-height:1.7}.task-formulas a{font-family:var(--font-body);color:var(--text-secondary);text-underline-offset:3px;-webkit-text-decoration:underline #0f172a40;text-decoration:underline #0f172a40}.task-formulas a:hover{color:var(--primary);text-decoration-color:currentColor}.task-toggle-summary{touch-action:manipulation;cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;gap:1rem;list-style:none;display:flex}.task-toggle-summary::-webkit-details-marker{display:none}.task-toggle-chevron{width:1.125rem;height:1.125rem;color:var(--text-secondary);flex-shrink:0;transition:transform .2s}.task-toggle[open]>.task-toggle-summary .task-toggle-chevron{transform:rotate(180deg)}.tasks-faq{gap:.75rem;display:grid}.tasks-faq-item{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;padding:0 1.5rem}.tasks-faq-item .task-toggle-summary{font-family:var(--font-display);color:var(--text-primary);padding:1.125rem 0;font-size:1.0625rem}.tasks-faq-item .task-toggle-summary span{font-family:var(--font-display)}.tasks-faq-answer{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1.25rem;font-size:.9375rem;line-height:1.75}.practice-link{background:#10b9810f;border:1px solid #10b98140;border-radius:14px;align-items:center;gap:1rem;margin:0 0 3rem;padding:1.25rem 1.5rem;text-decoration:none;transition:border-color .2s;display:flex}.practice-link:has(+.practice-link){margin-bottom:.75rem}.practice-link:hover{border-color:var(--accent)}.practice-link-icon{width:2.75rem;height:2.75rem;color:var(--accent-dark);background:var(--bg-secondary);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.practice-link-icon svg,.practice-link-arrow svg{width:1.375rem;height:1.375rem}.practice-link-text{flex-direction:column;flex:1;gap:.125rem;min-width:0;display:flex}.practice-link-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600}.practice-link-description{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem}.practice-link-arrow{color:var(--accent-dark);flex-shrink:0;transition:transform .2s}.practice-link:hover .practice-link-arrow{transform:translate(3px)}.task-topics{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;display:grid}.task-topic-card{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:16px;flex-direction:column;gap:.5rem;padding:1.5rem;text-decoration:none;transition:border-color .2s;display:flex}a.task-topic-card:hover{border-color:var(--primary)}.task-topic-card--soon{background:var(--bg-tertiary);border-style:dashed}.task-topic-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.25rem;font-weight:700}.task-topic-card--soon .task-topic-title{color:var(--text-secondary)}.task-topic-description{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.task-topic-footer{flex-wrap:wrap;align-items:center;gap:.375rem;margin-top:auto;padding-top:.5rem;display:flex}.task-topic-meta{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem}.task-topic-cta{font-family:var(--font-body);color:var(--primary);margin-left:auto;font-size:.875rem;font-weight:600}@media(max-width:640px){.task-card{border-radius:14px;padding:1.25rem 1.125rem}.task-body{font-size:1.0625rem}.task-steps{padding-left:2.25rem}.task-steps:before{left:.625rem}.task-step:before{width:1.3125rem;height:1.3125rem;left:-2.25rem}.task-step-formula{font-size:1rem}.tasks-toolbar{flex-direction:column;align-items:stretch}.tasks-filter{justify-content:stretch}.tasks-filter-button{flex:1}.tasks-actions{justify-content:stretch}.tasks-action-button{flex:1;justify-content:center}.practice-link{padding:1rem}}@media(prefers-reduced-motion:reduce){.task-card,.task-action,.task-action-chevron,.task-toggle-chevron,.tasks-toc-link,.practice-link,.practice-link-arrow,.task-topic-card{transition:none}}@media print{#main-header,footer,.bg-grid,.geometric-bg,.search-modal,.breadcrumbs,.tasks-toolbar,.tasks-toc,.qa-section,.task-anchor,[data-print-hide]{display:none!important}body{background:#fff}.tasks-print-source{font-family:var(--font-body);color:var(--text-secondary);margin:.5rem 0 0;font-size:.8125rem;display:block}.formula-page{padding:0}.formula-container{max-width:none;padding:0}.task-card{box-shadow:none;border:1px solid #cbd5e1;margin-bottom:.75rem;padding:1rem 1.25rem}.task-step,.task-header,.task-body,.task-plot,.task-figure,.tasks-table-wrapper{break-inside:avoid}.task-actions,.task-panel--hint{display:none!important}[data-print-mode=tasks] .task-card{break-inside:avoid;padding-bottom:2.5rem}[data-print-mode=tasks] .task-panel,[data-print-mode=tasks] [data-print-worksheet-hide]{display:none!important}}.theme-zeszyt [data-task-hub]{--hub-hairline:var(--zeszyt-line);--hub-hairline-strong:var(--zeszyt-line-strong);--fp-hairline:var(--zeszyt-line);--fp-hairline-strong:var(--zeszyt-line-strong);--cat-hairline:var(--zeszyt-line);--cat-hairline-strong:var(--zeszyt-line-strong);--cat-sheet:var(--zeszyt-sheet);--cat-marker:var(--zeszyt-marker)}.hub-steps{margin:1.5rem 0 1.75rem}.theme-zeszyt [data-task-hub] .content-text a,.theme-zeszyt [data-task-hub] .tasks-section-intro a,.theme-zeszyt [data-task-hub] .task-body a,.theme-zeszyt [data-task-hub] .task-panel a:not(.task-formulas a){color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.theme-zeszyt [data-task-hub] .content-text a,.theme-zeszyt [data-task-hub] .tasks-section-intro a,.theme-zeszyt [data-task-hub] .task-body a,.theme-zeszyt [data-task-hub] .task-panel a:not(.task-formulas a){-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.theme-zeszyt [data-task-hub] .content-text a,.theme-zeszyt [data-task-hub] .tasks-section-intro a,.theme-zeszyt [data-task-hub] .task-body a,.theme-zeszyt [data-task-hub] .task-panel a:not(.task-formulas a){text-underline-offset:.2em}.theme-zeszyt [data-task-hub] .content-text a:hover,.theme-zeszyt [data-task-hub] .tasks-section-intro a:hover{text-decoration-color:currentColor}.theme-zeszyt [data-task-hub] .tasks-table-wrapper{background:var(--zeszyt-sheet);border:1px solid var(--hub-hairline-strong);box-shadow:none;border-radius:12px}.theme-zeszyt [data-task-hub] .tasks-table thead th,.theme-zeszyt [data-task-hub] .tasks-table tbody th{background:var(--zeszyt-paper)}.theme-zeszyt [data-task-hub] .tasks-table td,.theme-zeszyt [data-task-hub] .tasks-table th{border-color:var(--hub-hairline)}.hub-header{margin-bottom:2rem}.hub-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.hub-lead{max-width:40rem;font-family:var(--font-body);color:var(--text-secondary);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.hub-meta{font-family:var(--font-mono);color:var(--text-secondary);flex-wrap:wrap;gap:0 .75rem;margin:1rem 0 0;font-size:.8125rem;display:flex}.hub-meta span{font-family:inherit}.hub-toc{border-top:2px solid var(--text-primary);padding-top:.875rem}.hub-toc-title{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 .5rem;font-size:.8125rem;font-weight:600}.hub-toc ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.75rem;margin:0;padding:0;list-style:none;display:grid}.hub-toc li[hidden]{display:none}.hub-toc a{border-bottom:1px solid var(--hub-hairline,#0f172a14);grid-template-columns:1.5rem minmax(0,1fr) auto;align-items:baseline;gap:.625rem;min-height:2.75rem;padding:.625rem 0;text-decoration:none;transition:border-color .2s;display:grid}.hub-toc-letter,.hub-toc-count{font-family:var(--font-mono);color:var(--text-primary);font-size:.8125rem;font-weight:600}.hub-toc-count{color:var(--text-secondary);font-weight:400}.hub-toc-name{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600;line-height:1.35;transition:color .2s}.hub-toc a:hover{border-bottom-color:var(--primary)}.hub-toc a:hover .hub-toc-name{color:var(--primary)}.hub-toc a:focus-visible,.hub-basics-item:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.hub-howto{max-width:40rem;font-family:var(--font-body);color:var(--text-secondary);margin:1.75rem 0 1rem;font-size:1rem;line-height:1.7}.theme-zeszyt [data-task-hub] .tasks-toolbar{background:var(--zeszyt-sheet);border:1px solid var(--hub-hairline-strong);box-shadow:none}.theme-zeszyt [data-task-hub] .tasks-filter{background:var(--zeszyt-paper)}.theme-zeszyt [data-task-hub] .tasks-filter-button[aria-pressed=true]{background:var(--zeszyt-sheet)}.theme-zeszyt [data-task-hub] .tasks-action-button{border-color:var(--hub-hairline-strong);background:0 0}.theme-zeszyt [data-task-hub] .tasks-visible-count{font-family:var(--font-mono)}.hub-basics{border-top:1px solid var(--hub-hairline,#0f172a14);grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.75rem;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}.hub-basics li{border-bottom:1px solid var(--hub-hairline,#0f172a14)}.hub-basics-item{flex-direction:column;gap:.25rem;min-height:2.75rem;padding:.75rem 0 .875rem;text-decoration:none;display:flex}.hub-basics-name{font-family:var(--font-body);color:var(--text-secondary);font-size:.875rem;font-weight:600;transition:color .2s}.hub-basics-formula{color:var(--text-primary);font-size:1.125rem;overflow:auto hidden}.hub-basics-item:hover .hub-basics-name{color:var(--primary)}.theme-zeszyt [data-task-hub] .tasks-section>.content-heading{border-top:2px solid var(--text-primary);padding-top:1rem}.theme-zeszyt [data-task-hub] .task-card{background:var(--zeszyt-sheet);border-color:var(--hub-hairline-strong)}.theme-zeszyt [data-task-hub] .task-options{grid-template-columns:repeat(2,minmax(0,1fr))}.theme-zeszyt [data-task-hub] .task-option{background:var(--zeszyt-paper);border-color:var(--hub-hairline-strong)}.theme-zeszyt [data-task-hub] .task-option .katex{white-space:nowrap}.theme-zeszyt [data-task-hub] .task-action{background:0 0}.theme-zeszyt [data-task-hub] .task-action[aria-expanded=true]{background:var(--zeszyt-paper)}.theme-zeszyt [data-task-hub] .task-panel--hint:not([hidden]){background:var(--zeszyt-paper);border:1px solid var(--hub-hairline)}.theme-zeszyt [data-task-hub] .example-answer{background-color:var(--zeszyt-sheet);background-image:var(--zeszyt-squares);border:1px solid var(--zeszyt-ink);background-size:22px 22px;border-left-width:1px;border-radius:10px}.theme-zeszyt [data-task-hub] .example-answer .katex{background:var(--zeszyt-marker);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;padding:.05em .25em}.hub-mistakes{border-top:1px solid var(--hub-hairline,#0f172a14);margin:1.25rem 0 0;padding:0;list-style:none}.hub-mistakes li{border-bottom:1px solid var(--hub-hairline,#0f172a14);font-family:var(--font-body);color:var(--text-secondary);padding:1.125rem 0 1.25rem 1.5rem;font-size:1rem;line-height:1.7;position:relative}.hub-mistakes li:before{content:"";background:var(--error-dark);width:.75rem;height:2px;position:absolute;top:1.75rem;left:0}.hub-mistakes p{max-width:40rem;margin:.25rem 0 0}.hub-mistake-title{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.0625rem;font-weight:600;line-height:1.45}.hub-mistake-example{font-size:.9375rem}.hub-mistakes a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.hub-mistakes a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.hub-mistakes a{text-underline-offset:.2em}.hub-mistake-formula{color:var(--text-primary);margin-top:.375rem;font-size:1.0625rem;overflow:auto hidden}.hub-pair{border-top:1px solid var(--hub-hairline,#0f172a14);max-width:40rem;margin:.625rem 0 0}.hub-pair>div{border-bottom:1px solid var(--hub-hairline,#0f172a14);grid-template-columns:4.5rem minmax(0,1fr);align-items:baseline;gap:.75rem;padding:.5rem 0;display:grid}.hub-pair dt{font-family:var(--font-body);font-size:.8125rem;font-weight:600}.hub-pair-wrong dt{color:var(--error-dark)}.hub-pair-right dt{color:var(--accent-dark)}.hub-pair dd .katex{white-space:nowrap}.hub-pair dd{color:var(--text-primary);margin:0;font-size:1.0625rem;overflow:auto hidden}@media(max-width:640px){.hub-pair>div{grid-template-columns:minmax(0,1fr);gap:.125rem}}.hub-tips{border-top:1px solid var(--hub-hairline,#0f172a14);margin:1.25rem 0 0}.hub-tips>div{border-bottom:1px solid var(--hub-hairline,#0f172a14);grid-template-columns:15rem minmax(0,1fr);gap:.25rem 2rem;padding:1rem 0;display:grid}.hub-tips dt{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;line-height:1.45}.hub-tips dd{max-width:36rem;font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:1rem;line-height:1.7}.hub-tips a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.hub-tips a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.hub-tips a{text-underline-offset:.2em}.theme-zeszyt [data-task-hub] .tasks-faq-item{border:0;border-bottom:1px solid var(--hub-hairline);background:0 0;border-radius:0}.theme-zeszyt [data-task-hub] .tasks-faq{border-top:1px solid var(--hub-hairline)}.hub-practice{gap:.75rem;margin-top:2rem;display:grid}.hub-practice .practice-link{margin:0}@media(max-width:860px){.hub-tips>div{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.hub-lead{font-size:1.0625rem}.theme-zeszyt [data-task-hub] .task-options{grid-template-columns:minmax(0,1fr)}.theme-zeszyt [data-task-hub] .tasks-actions{flex-wrap:wrap}.theme-zeszyt [data-task-hub] .tasks-action-button{flex:auto}.theme-zeszyt [data-task-hub] .tasks-filter-button{min-width:0;padding-inline:.5rem}.hub-toc ol,.hub-basics{grid-template-columns:minmax(0,1fr)}}@media print{.hub-toc,.hub-howto,.hub-meta{display:none!important}.theme-zeszyt [data-task-hub] .example-answer{background:0 0}.theme-zeszyt [data-task-hub] .example-answer .katex{background:0 0;text-decoration:underline}}@media(prefers-reduced-motion:reduce){.hub-toc a,.hub-toc-name,.hub-basics-name{transition:none}}.fp{--fp-hairline:#0f172a14;--fp-hairline-strong:#0f172a29;--fp-header-offset:65px;--fp-rail:2.75rem;--fp-measure:40rem;padding:2rem 0 4rem}@media(min-width:768px){.fp{--fp-header-offset:73px}}.fp ::selection{color:var(--text-primary);background:#2563eb29}.fp-container{max-width:900px;margin:0 auto;padding:0 2rem}html:has(.fp){scroll-padding-top:5rem}@media(min-width:768px){html:has(.fp){scroll-padding-top:5.5rem}}.fp-walk-steps a,.fp-walk-steps button,.fp-walk-steps [tabindex],.fp-walk-steps [id]{scroll-margin-top:5rem}.fp .fp-walk-steps>.fp-walk-step{scroll-margin-top:4.5rem}.fp-header{margin-bottom:2rem}.fp-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.15}.fp-lead{font-family:var(--font-body);color:var(--text-secondary);max-width:var(--fp-measure);margin:1rem 0 0;font-size:1.1875rem;line-height:1.7}.fp-stage{background:var(--bg-main);border:1px solid var(--fp-hairline-strong);border-radius:16px;margin:0;overflow:hidden}.fp-stage-main{color:var(--text-primary);text-align:center;padding:2.5rem 1.5rem 2.25rem;font-size:2.25rem;position:relative;overflow:auto hidden}.fp-stage-main .katex-display{margin:0}.fp-stage-follow{border-top:1px solid var(--fp-hairline);background:var(--bg-secondary);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.fp-stage-case{border-left:1px solid var(--fp-hairline);min-width:0;padding:1.25rem 1.5rem 1.375rem}.fp-stage-case:first-child{border-left:0}.fp-stage-case-head{font-family:var(--font-body);color:var(--text-secondary);flex-direction:column;align-items:flex-start;gap:.125rem;margin:0 0 .75rem;font-size:.8125rem;font-weight:600;display:flex}.fp-stage-case-head .tex-inline{color:var(--text-primary);font-size:1.0625rem}.fp-stage-case-body{color:var(--text-primary);flex-direction:column;gap:.5rem;font-size:1.0625rem;display:flex;overflow:auto hidden}.fp-stage-case-body p{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.875rem;line-height:1.6}.fp-stage-caption{padding:.875rem max(1.5rem,calc(100% - var(--fp-measure))).875rem 1.5rem;border-top:1px solid var(--fp-hairline);font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-secondary);font-size:.875rem;line-height:1.6}.fp-contents{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 2rem;margin:1.25rem 0 0;padding:0 .25rem;display:flex}.fp-contents ol,.fp-contents ul{flex-wrap:wrap;gap:.5rem 1.25rem;margin:0;padding:0;list-style:none;display:flex}.fp-contents a{box-sizing:border-box;min-height:2.75rem;font-family:var(--font-body);color:var(--text-secondary);border-radius:4px;align-items:baseline;gap:.375rem;padding:.5rem 0;font-size:.9375rem;font-weight:500;text-decoration:none;transition:color .2s;display:inline-flex}.fp-contents a:hover{color:var(--primary)}.fp a:focus-visible,.fp button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.fp-contents-num{font-family:var(--font-mono);color:var(--text-primary);font-size:.8125rem;font-weight:600;transition:color .2s}.fp-contents a:hover .fp-contents-num{color:inherit}.fp-contents-links a{text-decoration:underline;-webkit-text-decoration-color:var(--fp-hairline-strong);text-decoration-color:var(--fp-hairline-strong);text-underline-offset:.25em}.fp-body{margin-top:3.5rem}.fp-section{margin-bottom:4rem}.fp-body>:last-child{margin-bottom:0}.fp-heading{font-family:var(--font-display);color:var(--text-primary);text-wrap:balance;margin:0 0 1.25rem;font-size:1.75rem;font-weight:700;line-height:1.25}.fp-prose p,.fp-walk-step-body>p,.fp-section>p{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:1.0625rem;line-height:1.8}.fp-prose p:last-child{margin-bottom:0}.fp-prose>.fp-calc{margin:.25rem 0 1.25rem}.fp-prose p,.fp-walk-step-body>p,.fp-section>p,.fp-note-text,.fp-example-task p,.fp-example-solution>p{max-width:var(--fp-measure)}.fp-prose a,.fp-walk-step-body a,.fp-note a,.fp-special-text a,.fp-stage-caption a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-prose a,.fp-walk-step-body a,.fp-note a,.fp-special-text a,.fp-stage-caption a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.fp-prose a,.fp-walk-step-body a,.fp-note a,.fp-special-text a,.fp-stage-caption a{text-underline-offset:.2em;transition:text-decoration-color .2s}.fp-prose a:hover,.fp-walk-step-body a:hover,.fp-note a:hover,.fp-special-text a:hover,.fp-stage-caption a:hover{text-decoration-color:currentColor}.fp .tex-inline .katex{font-size:1.05em}.fp .tex-inline .katex-html{white-space:nowrap}.fp-walk{margin-bottom:4rem}.fp-walk .fp-prose{margin-bottom:1.5rem}.fp-walk-equation{top:var(--fp-header-offset);z-index:5;background:var(--bg-secondary);border:1px solid var(--fp-hairline);color:var(--text-primary);white-space:nowrap;scrollbar-width:none;border-radius:12px;align-items:baseline;gap:1rem;margin:0 0 2rem;padding:.875rem 1.25rem;font-size:1.25rem;display:flex;position:sticky;overflow:auto hidden}.fp-walk-equation::-webkit-scrollbar{display:none}.fp-walk-equation>*{flex-shrink:0}.fp-walk-readout{border-left:1px solid var(--fp-hairline-strong);padding-left:1rem;font-size:1.0625rem;display:none}.fp-walk-equation.is-enhanced .fp-walk-readout.is-visible{animation:.2s ease-out fp-readout-in;display:inline-block}.fp-walk-equation.is-enhanced{transition:opacity .2s ease-out,visibility .2s}.fp-walk-equation.is-done{opacity:0;visibility:hidden}@keyframes fp-readout-in{0%{opacity:0}}@media(prefers-reduced-motion:reduce){.fp-walk-equation.is-enhanced .fp-walk-readout.is-visible{animation:none}.fp-walk-equation.is-enhanced{transition:none}}.fp-walk-equation-label{font-family:var(--font-body);letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);font-size:.75rem;font-weight:600}.fp-walk-steps{counter-reset:fp-step;padding:0 0 0 var(--fp-rail);margin:0;list-style:none;position:relative}.fp-walk-steps:before{content:"";background:var(--fp-hairline-strong);width:1px;position:absolute;top:1rem;bottom:1rem;left:.875rem}.fp-walk-step{counter-increment:fp-step;padding-bottom:2.75rem;position:relative}.fp-walk-step:last-child{padding-bottom:0}.fp-walk-step:before{content:counter(fp-step);left:calc(var(--fp-rail)*-1);width:1.8125rem;height:1.8125rem;font-family:var(--font-mono);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);border-radius:50%;justify-content:center;align-items:center;font-size:.8125rem;font-weight:700;transition:border-color .2s,color .2s;display:flex;position:absolute;top:0}.fp-walk-step:target:before{color:var(--primary);border-color:var(--primary)}.fp-walk-step-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .75rem;padding-top:.0625rem;font-size:1.3125rem;font-weight:600;line-height:1.4}.fp-walk-step:target .fp-walk-step-title{color:var(--primary)}.fp-walk-step-body{flex-direction:column;gap:1.25rem;display:flex}.fp-walk-step-body>*,.fp-walk-step-body>p{margin:0}.fp-walk-step-body>.fp-coefs{align-self:flex-start}.fp-coefs-scroll{overscroll-behavior-x:contain;max-width:100%;position:relative;overflow-x:auto}.fp-coefs-scroll>.fp-coefs{margin:0}.fp-calc{border-left:1px solid var(--fp-hairline);margin:0;padding:.25rem 0 .25rem 1.25rem;list-style:none}.fp-calc li{color:var(--text-primary);padding:.375rem 0;font-size:1.1875rem;line-height:1.6;overflow:auto hidden}.fp-calc-comment{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6;display:block}.fp-coefs{border-collapse:collapse;font-variant-numeric:tabular-nums}.fp-coefs th,.fp-coefs td{text-align:center;border:1px solid var(--fp-hairline-strong);min-width:3.25rem;padding:.25rem .875rem}.fp-coefs th{color:var(--text-secondary);background:var(--bg-main);font-size:1.125rem;font-weight:400}.fp-coefs td{color:var(--text-primary);background:var(--bg-secondary);font-size:1.125rem}.fp-coefs thead td{background:0 0;border:0}.fp-coefs .fp-coefs-name{font-family:var(--font-body);padding-top:.375rem;padding-bottom:.375rem;font-size:.8125rem;font-weight:600}.fp-mark{color:inherit;background:0 0}.fp .example-answer{background:var(--bg-secondary);border:1px solid var(--text-primary);border-radius:10px;margin:0;padding:.875rem 1.125rem;font-size:1.0625rem;position:relative}.fp .fp-walk-step-body>.example-answer{max-width:none}.fp .example-answer strong{font-family:var(--font-display);color:var(--text-primary);font-weight:600}.fp-walk-steps>.fp-walk-step:last-child .example-answer:last-child:before{content:"";left:calc(.875rem - var(--fp-rail) - .3125rem - 1px);background:var(--text-primary);border-radius:50%;width:.625rem;height:.625rem;position:absolute;bottom:.6875rem}.fp-note{border:1px solid;border-radius:12px;padding:1rem 1.25rem 1.125rem}.fp-note-title{font-family:var(--font-display);align-items:center;gap:.5rem;margin:0 0 .375rem;font-size:1rem;font-weight:600;line-height:1.4;display:flex}.fp-note-title svg{flex-shrink:0;width:1.25rem;height:1.25rem}.fp-note-text,.fp-note-text p{font-family:var(--font-body);margin:0;font-size:.9375rem;line-height:1.7}.fp-note-formula{color:var(--text-primary);margin:.375rem 0;font-size:1.0625rem;display:block;overflow:auto hidden}.fp-note-formula .katex-html{white-space:nowrap}.fp-note--mistake{background:var(--bg-secondary);border-color:var(--fp-hairline-strong)}.fp-note-label{font-family:var(--font-body);letter-spacing:.05em;text-transform:uppercase;color:var(--error-dark);align-items:center;gap:.375rem;margin:0 0 .25rem;font-size:.75rem;font-weight:600;display:flex}.fp-note-label svg{flex-shrink:0;width:1.125rem;height:1.125rem}.fp-note--mistake .fp-note-title{color:var(--text-primary)}.fp-note-compare{border-bottom:1px solid var(--fp-hairline);margin:.625rem 0 .75rem;padding-bottom:.625rem}.fp-note-compare-row{grid-template-columns:5.5rem minmax(0,1fr);align-items:baseline;gap:.75rem;padding:.25rem 0 0;display:grid}.fp-note-compare dt{font-family:var(--font-body);align-items:center;gap:.375rem;font-size:.875rem;font-weight:600;display:flex}.fp-note-compare dt svg{flex-shrink:0;width:1rem;height:1rem}.fp-note-compare-row--wrong dt{color:var(--error-dark)}.fp-note-compare-row--right dt{color:#047857}.fp-note-compare dd{min-width:0;color:var(--text-primary);margin:0;font-size:1.0625rem;overflow:auto hidden}.fp-note-compare dd .katex-html{white-space:nowrap}.fp-note--mistake .fp-note-text{color:var(--text-secondary)}.fp-note--mistake a{color:var(--error-dark)}.fp-note--check{background:var(--bg-main);border-color:var(--fp-hairline)}.fp-note--check .fp-note-title{color:var(--text-primary)}.fp-note--check .fp-note-title svg{color:var(--accent-dark)}.fp-note--check .fp-note-text{color:var(--text-secondary)}.fp-ladder{max-width:34rem;margin:1.75rem 0 0}.fp-ladder-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.fp-ladder-table th,.fp-ladder-table td{border-bottom:1px solid var(--fp-hairline);text-align:left;vertical-align:baseline;padding:.4375rem .75rem}.fp-ladder-table thead th{font-family:var(--font-body);color:var(--text-secondary);border-bottom-color:var(--fp-hairline-strong);padding-top:0;font-size:.8125rem;font-weight:600}.fp-ladder-table thead .tex-inline{font-size:1rem}.fp-ladder-table tbody th{width:3.5rem;color:var(--text-primary);font-size:1.0625rem;font-weight:400}.fp-ladder-from{font-family:var(--font-body);color:var(--text-secondary);white-space:nowrap;font-size:.875rem}.fp-ladder-from .tex-inline{font-size:1rem}.fp-ladder-value{width:45%;color:var(--text-primary);white-space:nowrap;font-size:1.0625rem;position:relative}.fp-ladder-bar{width:calc(var(--fp-ladder-digits)*100%);background:var(--fp-hairline-strong);border-radius:2px;height:3px;margin-top:.25rem;display:block}.fp-ladder-caption{font-family:var(--font-body);color:var(--text-secondary);max-width:var(--fp-measure);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-balance{max-width:30rem;margin:1.5rem 0}.fp-balance-canvas{padding-top:2rem;position:relative}.fp-balance-mean{top:0;left:var(--fp-balance-at);color:var(--primary);white-space:nowrap;font-size:1.0625rem;position:absolute;transform:translate(-50%)}.fp-balance-canvas>svg{width:100%;height:auto;display:block;overflow:visible}.fp-balance-beam{stroke:var(--text-primary);stroke-width:2.5px;stroke-linecap:round}.fp-balance-tick{stroke:var(--text-primary);stroke-width:1.5px}.fp-balance-number{font-family:var(--font-body);font-variant-numeric:tabular-nums;fill:var(--text-secondary);text-anchor:middle;font-size:17px}.fp-balance-fulcrum{fill:var(--text-primary)}.fp-balance-mean-line{stroke:var(--primary);stroke-width:1.5px;stroke-dasharray:4 4}.fp-balance-band{fill:#2563eb14}.fp-balance-band-edge{stroke:var(--text-secondary);stroke-width:1px;stroke-dasharray:2 3}.fp-balance-deviation{stroke:var(--text-secondary);stroke-width:1.5px}.fp-balance-dot{fill:var(--bg-secondary);stroke:var(--text-primary);stroke-width:2.5px}.fp-balance-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-factors{max-width:30rem;margin:1.5rem 0}.fp-factors-body{width:fit-content;max-width:100%}.fp-factors-row{align-items:flex-start;gap:.5rem;display:flex}.fp-factors-chips{gap:.3125rem;display:flex}.fp-factors-chip{aspect-ratio:1;width:min(2.25rem,9vw);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);border-radius:8px;place-items:center;font-size:1.0625rem;display:grid}.fp-factors-group--second .fp-factors-chip{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-factors-group--second .fp-factors-chip{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-factors-times{color:var(--text-secondary);align-self:flex-start;padding-top:.4rem}.fp-factors-brace{text-align:center;border:1px solid var(--fp-hairline-strong);height:2.25rem;color:var(--text-primary);border-top:0;border-radius:0 0 8px 8px;margin-top:.5rem;padding-top:.625rem;font-size:1.0625rem;display:block;position:relative}.fp-factors-total{margin-top:.5rem}.fp-factors-brace--total{border-color:var(--text-primary)}.fp-factors-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-cancel{max-width:30rem;margin:1.5rem 0}.fp-cancel-body{width:fit-content;max-width:100%}.fp-cancel-row{gap:.3125rem;display:flex}.fp-cancel-bar{background:var(--text-primary);border-radius:1px;height:2px;margin:.5rem 0}.fp-cancel-result{margin-top:.75rem}.fp-factors-chip--gone{color:var(--text-secondary);background:0 0;border-style:dashed;position:relative}.fp-factors-chip--gone:after{content:"";background:linear-gradient(to top right,transparent calc(50% - 1px),var(--text-secondary) calc(50% - 1px),var(--text-secondary) calc(50% + 1px),transparent calc(50% + 1px));position:absolute;inset:4px}.fp-factors-chip--kept{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-factors-chip--kept{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-factors-chip--kept{border-color:var(--primary)}.fp-grid{max-width:30rem;margin:1.5rem 0}.fp-grid-body{width:fit-content;max-width:100%}.fp-grid-rows{gap:.5rem;display:grid}.fp-grid-row{align-items:center;gap:.75rem;display:flex}.fp-grid-chips{gap:.3125rem;display:flex}.fp-grid-name{color:var(--text-secondary);white-space:nowrap;font-size:1.0625rem}.fp-grid-total{margin-top:.75rem}.fp-grid--product .fp-factors-chip--second{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-grid--product .fp-factors-chip--second{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-grid-columns{gap:.3125rem;margin-top:.25rem;display:flex}.fp-grid-columns .fp-factors-brace{box-sizing:content-box;width:min(2.25rem,9vw);padding-left:0;padding-right:0}.fp-grid--fraction .fp-factors-chip--second{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-grid--fraction .fp-factors-chip--second{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-fraction-row{align-items:center;gap:.5rem;display:flex}.fp-fraction{justify-items:center;gap:.25rem;display:grid}.fp-fraction-bar{background:var(--text-primary);border-radius:1px;width:min(2.25rem,9vw);height:2px}.fp-fraction-times{color:var(--text-secondary)}.fp-distance{max-width:30rem;margin:1.5rem 0}.fp-distance-canvas{position:relative}.fp-distance-canvas>svg{width:100%;height:auto;display:block;overflow:visible}.fp-distance-axis{stroke:var(--text-primary);stroke-width:2px;stroke-linecap:round}.fp-distance-arrow{fill:none;stroke:var(--text-primary);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.fp-distance-tick{stroke:var(--text-primary);stroke-width:1.5px}.fp-distance-number{font-family:var(--font-body);font-variant-numeric:tabular-nums;fill:var(--text-secondary);text-anchor:middle;font-size:17px}.fp-distance-number.is-marked{fill:var(--text-primary);font-weight:700}.fp-distance-arc{fill:none;stroke:var(--primary);stroke-width:2.25px;stroke-linecap:round}.fp-distance-centre{fill:var(--text-primary)}.fp-distance-dot{fill:var(--primary);stroke:var(--bg-secondary);stroke-width:2px}.fp-distance-label{color:var(--text-primary);white-space:nowrap;font-size:1.0625rem;line-height:1;position:absolute;transform:translate(-50%)}.fp-distance-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-slope{max-width:21rem;margin:1.5rem 0}.fp-slope-canvas{background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);border-radius:12px;position:relative;overflow:hidden}.fp-slope-canvas>svg{width:100%;height:auto;display:block}.fp-slope-square{fill:none;stroke:#2563eb17;stroke-width:1px}.theme-zeszyt .fp-slope-square{stroke:#2b4cb31c}.fp-slope-axes line,.fp-slope-axes path{fill:none;stroke:var(--text-secondary);stroke-width:1.25px;stroke-linecap:round;stroke-linejoin:round}.fp-slope-numbers text{font-family:var(--font-body);font-variant-numeric:tabular-nums;fill:var(--text-secondary);stroke:var(--bg-secondary);stroke-width:3px;stroke-linejoin:round;paint-order:stroke;font-size:11px}.fp-slope-numbers .fp-slope-axis-name{fill:var(--text-primary);font-size:12px;font-style:italic}.fp-slope-line{stroke:var(--primary);stroke-width:2.5px;stroke-linecap:round}.fp-slope-other{stroke:var(--text-secondary);stroke-width:2px;stroke-dasharray:6 4;stroke-linecap:round}.fp-slope-segment{stroke:var(--text-primary);stroke-width:2.5px;stroke-linecap:round}.fp-slope-legs{fill:none;stroke:var(--text-primary);stroke-width:2px;stroke-dasharray:5 4;stroke-linejoin:round}.fp-slope-mark{fill:none;stroke:var(--text-primary);stroke-width:1.25px}.fp-slope-point{fill:var(--text-primary);stroke:var(--bg-secondary);stroke-width:2px}.fp-slope-label{color:var(--text-primary);white-space:nowrap;background:var(--bg-secondary);border-radius:4px;padding:.125rem .25rem;font-size:1rem;line-height:1;position:absolute}.fp-slope-label--name{font-size:1.0625rem}.fp-slope-label--below{transform:translate(-50%,.5rem)}.fp-slope-label--above{transform:translate(-50%,calc(-100% - .5rem))}.fp-slope-label--east{transform:translate(.5rem,-50%)}.fp-slope-label--segment{transform:translate(.75rem,-50%)}.fp-slope-label--west{transform:translate(calc(-100% - .5rem),-50%)}.fp-slope-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-parabola,.fp-square,.fp-ruler{--cat-hairline:var(--zeszyt-line,var(--fp-hairline));--cat-hairline-strong:var(--zeszyt-line-strong,var(--fp-hairline-strong));--cat-sheet:var(--zeszyt-sheet,#fff);--cat-grid:var(--zeszyt-grid,#2563eb12);--cat-marker:var(--zeszyt-marker,#fde68a);max-width:22rem;margin:1.5rem 0}.fp-parabola .cat-plot,.fp-square .cat-plot,.fp-ruler .cat-plot{background:var(--cat-sheet);border-color:var(--fp-hairline-strong);margin:0}.fp-parabola-caption,.fp-square-caption,.fp-ruler-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-square .cat-sq--rest{fill:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-square .cat-sq--rest{fill:color-mix(in srgb,var(--primary)12%,transparent)}}.fp-square .cat-sq--strip{fill:#0000}.fp-square .cat-sq--corner{fill:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.fp-square .cat-sq--corner{fill:color-mix(in srgb,var(--text-primary)16%,transparent)}}.fp-square .cat-sq-edge--cut{stroke:var(--text-secondary);stroke-width:1.5px;stroke-dasharray:5 4}.fp-trap{max-width:27rem;margin:1.5rem 0}.fp-trap--double{max-width:32rem}.fp-trap-canvas{background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);border-radius:12px;position:relative;overflow:hidden}.fp-trap-canvas>svg{width:100%;height:auto;display:block}.fp-trap-square{fill:none;stroke:#2563eb17;stroke-width:1px}.theme-zeszyt .fp-trap-square{stroke:#2b4cb31c}.fp-trap-shape{fill:#2563eb12;stroke:var(--text-primary);stroke-width:2px;stroke-linejoin:round}.fp-trap-outline{fill:none;stroke:var(--text-primary);stroke-width:2px;stroke-linejoin:round}.fp-trap-triangle{fill:#2563eb29}.fp-trap-copy{fill:none;stroke:var(--text-primary);stroke-width:1.5px;stroke-dasharray:6 4;stroke-linejoin:round}.fp-trap-height{stroke:var(--primary);stroke-width:2px;stroke-dasharray:5 4}.fp-trap-mark{fill:none;stroke:var(--primary);stroke-width:1.25px}.fp-trap-bracket{fill:none;stroke:var(--text-secondary);stroke-width:1.25px}.fp-trap-label{color:var(--text-primary);white-space:nowrap;background:var(--bg-secondary);border-radius:4px;padding:.0625rem .25rem;font-size:1rem;line-height:1;position:absolute}.fp-trap-label--small{color:var(--text-secondary);font-size:.875rem}.fp-trap-label--below{transform:translate(-50%,.3125rem)}.fp-trap-label--above{transform:translate(-50%,calc(-100% - .3125rem))}.fp-trap-label--left{transform:translate(calc(-100% - .375rem),-50%)}.fp-trap-label--right{color:var(--primary);background:0 0;transform:translate(.375rem,-50%)}.fp-trap-label--bracket{transform:translate(-50%,-50%)}@media(max-width:640px){.fp-trap-label{font-size:.875rem}.fp-trap-label--small{font-size:.8125rem}.fp-trap-label--base{display:none}}.fp-trap-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-vec{max-width:18rem;margin:1.5rem 0}.fp-vec--small{max-width:12rem;margin:0 0 .75rem}.fp-vec-canvas{background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);border-radius:12px;position:relative;overflow:hidden}.fp-vec-canvas>svg{width:100%;height:auto;display:block}.fp-vec-square{fill:none;stroke:#2563eb17;stroke-width:1px}.theme-zeszyt .fp-vec-square{stroke:#2b4cb31c}.fp-vec-axes line{stroke:var(--text-secondary);stroke-width:1.25px}.fp-vec-shaft{stroke:var(--text-primary);stroke-width:2.25px;stroke-linecap:round}.fp-vec-head,.fp-vec-origin{fill:var(--text-primary)}.fp-vec-angle{fill:none;stroke:var(--primary);stroke-width:1.75px}.fp-vec-angle-fill{fill:#2563eb1f}.fp-vec-label{color:var(--text-primary);white-space:nowrap;background:var(--bg-secondary);border-radius:4px;padding:.0625rem .1875rem;font-size:1.0625rem;line-height:1;position:absolute;transform:translate(-50%,-50%)}.fp-vec-label--angle{color:var(--primary);background:0 0}.fp-vec--small .fp-vec-label{font-size:.9375rem}.fp-vec-caption{font-family:var(--font-body);color:var(--text-secondary);margin-top:.75rem;font-size:.9375rem;line-height:1.7}.fp-vec--small .fp-vec-caption{text-align:center;margin-top:.5rem;font-size:.875rem}.fp-fork{--fp-fork-gap:1rem;gap:var(--fp-fork-gap);grid-template-columns:repeat(3,minmax(0,1fr));padding-top:1.75rem;display:grid;position:relative}.fp-fork:before{content:"";top:0;left:calc((100% - 2*var(--fp-fork-gap))/6);right:calc((100% - 2*var(--fp-fork-gap))/6);border:1px solid var(--fp-hairline-strong);border-bottom:0;border-radius:8px 8px 0 0;height:.75rem;position:absolute}.fp-fork:after{content:"";background:var(--fp-hairline-strong);width:1px;height:1rem;position:absolute;top:.75rem;left:50%}.fp-case{background:var(--bg-secondary);border:1px solid var(--fp-hairline);border-radius:12px;flex-direction:column;min-width:0;padding:1.125rem 1.125rem 1.25rem;display:flex;position:relative}.fp-case:before{content:"";background:var(--fp-hairline-strong);width:1px;height:1rem;position:absolute;top:calc(-1rem - 1px);left:50%}.fp-case:after{content:"";background:var(--bg-secondary);border:1px solid var(--text-secondary);border-radius:50%;width:.625rem;height:.625rem;position:absolute;top:-.3125rem;left:calc(50% - .3125rem)}.fp-case.is-current{border-color:var(--text-primary)}.fp-case.is-current:after{background:var(--text-primary);border-color:var(--text-primary)}.fp-case-head{flex-direction:column;gap:.125rem;margin:0;display:flex}.fp-case-when{color:var(--text-primary);font-size:1.375rem}.fp-case-label{font-family:var(--font-display);color:var(--text-primary);font-size:1rem;font-weight:600}.fp-case-current{font-family:var(--font-body);color:var(--bg-secondary);background:var(--text-primary);border-radius:6px;align-self:flex-start;margin:.625rem 0 0;padding:.125rem .5rem;font-size:.8125rem;font-weight:600}.fp-case .task-plot{margin:.875rem -.375rem .5rem}.fp-case .task-plot-canvas{max-width:none}.fp-case .task-plot-canvas .axis g.tick:nth-of-type(odd) text{display:none}.fp-case .task-plot-caption{text-align:center;font-size:.8125rem}.fp-case-toggle{min-height:2.75rem;font-family:var(--font-body);color:var(--text-secondary);border:1px solid var(--fp-hairline-strong);cursor:pointer;background:0 0;border-radius:8px;align-self:flex-start;align-items:center;gap:.375rem;margin-top:.75rem;padding:.375rem .875rem;font-size:.875rem;font-weight:600;transition:color .2s,border-color .2s,background-color .2s;display:none}.fp-case-toggle:hover{color:var(--text-primary);border-color:#0f172a40}.fp-case-toggle[aria-expanded=true]{color:var(--text-primary);background:var(--bg-tertiary);border-color:#0000}.fp-case-toggle svg{width:.875rem;height:.875rem;transition:transform .2s}.fp-case-toggle[aria-expanded=true] svg{transform:rotate(180deg)}.fp-case-detail{flex-direction:column;margin-bottom:.875rem;display:flex}.fp-case-more{border-top:1px solid var(--fp-hairline);font-family:var(--font-body);color:var(--text-secondary);margin:auto 0 0;padding-top:.75rem;font-size:.9375rem;line-height:1.6}.fp-case-more a{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary);margin:-.625rem 0;padding:.625rem 0;display:inline-block}@supports (color:color-mix(in lab,red,red)){.fp-case-more a{-webkit-text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent);text-decoration-color:color-mix(in srgb,var(--primary)35%,transparent)}}.fp-case-more a{text-underline-offset:.2em}.fp-case-more a:hover{text-decoration-color:currentColor}.fp-case-body{flex-direction:column;gap:.625rem;margin-top:.25rem;display:flex}.fp-case-body p{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.65}.fp-case-formula{color:var(--text-primary);font-size:1rem;overflow:auto hidden}.fp-examples{border-bottom:1px solid var(--fp-hairline);flex-direction:column;display:flex}.fp-example{border-top:1px solid var(--fp-hairline);padding:2rem 0 2.25rem}.fp-example-title{font-family:var(--font-display);color:var(--text-primary);margin:0 0 .875rem;font-size:1.125rem;font-weight:600;line-height:1.4}.fp-example-number{color:var(--text-secondary);font-weight:500}.fp-example-task,.fp-example-task p{font-family:var(--font-body);color:var(--text-primary);margin:0 0 1.25rem;font-size:1.125rem;line-height:1.75}.fp-example-solution>p{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:.9375rem;line-height:1.7}.fp-example-toggle{min-height:2.75rem;margin-top:0}.fp-example-solution{margin-top:1.5rem}.fp-example-solution[hidden]{margin-top:0}.fp-example .task-steps{padding-left:1.25rem}.fp-example .task-steps+p{margin-top:1.25rem}.fp-example .task-steps:before{top:.5rem;bottom:.5rem;left:0}.fp-example .task-step:before{display:none}.fp-example .task-steps{margin-bottom:0}.fp-example .example-answer{margin:1.25rem 0 0}.fp-example-solution>.fp-note{margin:1.25rem 0 1rem}.fp-mistakes{counter-reset:fp-mistake;border-top:1px solid var(--fp-hairline);margin:0;padding:0;list-style:none}.fp-mistakes li{padding:.875rem max(0px,calc(100% - var(--fp-measure))).875rem 1.5rem;border-bottom:1px solid var(--fp-hairline);font-family:var(--font-body);color:var(--text-secondary);font-size:1rem;line-height:1.7;position:relative}.fp-mistakes li:before{content:"";background:var(--error-dark);border-radius:1px;width:.625rem;height:2px;position:absolute;top:calc(.875rem + .8em);left:0}.fp-mistakes a{color:var(--text-primary);text-decoration:underline;-webkit-text-decoration-color:var(--fp-hairline-strong);text-decoration-color:var(--fp-hairline-strong);text-underline-offset:.2em;font-weight:600;transition:color .2s,text-decoration-color .2s}.fp-mistakes a:hover{color:var(--primary);text-decoration-color:currentColor}.fp [tabindex="-1"]:not(.fp-note):focus{outline:none}.fp-note:target,.fp-special:target{outline:2px solid var(--primary);outline-offset:3px}.fp-specials{border-top:1px solid var(--fp-hairline);margin:0}.fp-special{border-bottom:1px solid var(--fp-hairline);grid-template-columns:minmax(0,15rem) minmax(0,1fr);gap:.5rem 2rem;padding:1.25rem 0;display:grid}.fp-special-term{flex-direction:column;gap:.375rem;min-width:0;display:flex}.fp-special-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600}.fp-special-formula{color:var(--text-primary);font-size:1.0625rem;overflow:auto hidden}.fp-special-text{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.75}.fp-related-list{border-top:1px solid var(--fp-hairline);margin:0 0 2rem;padding:0;list-style:none}.fp-related{border-bottom:1px solid var(--fp-hairline);grid-template-columns:minmax(0,13rem) minmax(0,15rem) minmax(0,1fr) 1.25rem;align-items:center;gap:.5rem 1.5rem;padding:1.125rem .25rem;text-decoration:none;transition:border-color .2s;display:grid}.fp-related:hover{border-bottom-color:var(--primary)}.fp-related-name{font-family:var(--font-display);color:var(--text-primary);font-size:1.0625rem;font-weight:600;transition:color .2s}.fp-related:hover .fp-related-name{color:var(--primary)}.fp-related-formula{color:var(--text-primary);font-size:1rem;overflow:auto hidden}.fp-related-text{font-family:var(--font-body);color:var(--text-secondary);font-size:.9375rem;line-height:1.6}.fp-related-arrow{width:1.25rem;height:1.25rem;color:var(--text-tertiary);transition:color .2s,transform .2s}.fp-related:hover .fp-related-arrow{color:var(--primary);transform:translate(2px)}.fp-practice{flex-direction:column;gap:.75rem;display:flex}.fp-practice--walk{margin:-1.5rem 0 4rem}.fp-practice .practice-link{background:var(--bg-secondary);border-color:var(--fp-hairline-strong);border-radius:12px;margin:0}.fp-practice .practice-link:hover{border-color:var(--primary)}.fp-practice .practice-link-icon{color:var(--text-secondary);background:var(--bg-tertiary)}.fp-practice .practice-link-arrow{color:var(--text-primary);transition:color .2s,transform .2s}.fp-practice .practice-link:hover .practice-link-title,.fp-practice .practice-link:hover .practice-link-arrow{color:var(--primary)}.fp-practice .practice-link-title{transition:color .2s}@media(max-width:860px){.fp-fork.is-enhanced .fp-case-toggle{display:inline-flex}.fp-fork{grid-template-columns:minmax(0,1fr);padding-top:0;padding-left:1.25rem}.fp-fork:before{border:0;border-left:1px solid var(--fp-hairline-strong);border-radius:0;width:0;height:auto;inset:1.25rem auto 1.25rem 0}.fp-fork:after{display:none}.fp-case:before{width:1.25rem;height:1px;top:1.5rem;left:-1.25rem}.fp-case:after{top:1.1875rem;left:-.3125rem}.fp-related{grid-template-columns:minmax(0,1fr) 1.25rem}.fp-related-name,.fp-related-formula,.fp-related-text{grid-column:1}.fp-related-arrow{grid-area:1/2}}@media(max-width:640px){.fp{--fp-rail:2.375rem;padding-top:1.25rem}.fp-container{padding:0 1rem}.fp-lead{font-size:1.0625rem}.fp-stage-main{padding:1.75rem 1rem 1.5rem;font-size:1.75rem}.fp-stage-case-body{font-size:1.1875rem}.fp-stage-case{border-left:0;border-top:1px solid var(--fp-hairline);padding:1rem 1.125rem}.fp-stage-case:first-child{border-top:0}.fp-stage-caption{padding:.875rem 1.125rem}.fp-contents{flex-direction:column;align-items:flex-start;gap:0}.fp-contents .fp-contents-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem;width:100%;display:grid}.fp-body{margin-top:2.5rem}.fp-section,.fp-walk{margin-bottom:3rem}.fp-heading{font-size:1.5rem}.fp-walk-equation{white-space:normal;flex-wrap:wrap;row-gap:.125rem;overflow-x:visible}.fp-walk-equation-label{font-size:.6875rem}.fp-walk-readout{padding-left:.75rem;font-size:.9375rem}.fp-walk-equation.is-enhanced .fp-walk-readout.is-visible:not(.is-latest){display:none}.fp-walk-equation.is-enhanced .fp-walk-readout.is-latest{border-left:0;flex-basis:100%;padding-left:0}.fp-walk-equation>.tex-inline+.fp-walk-readout,.fp-walk-equation>.tex-glue+.fp-walk-readout{border-left:0;padding-left:0}.fp-walk-equation{gap:.75rem;padding:.625rem 1rem;font-size:1.0625rem}.fp-walk-steps:before{left:.75rem}.fp-walk-step:before{width:1.5625rem;height:1.5625rem;font-size:.75rem}.fp-walk-step-title{font-size:1.1875rem}.fp-calc{padding-left:.875rem}.fp-calc li{font-size:1.0625rem}.fp-coefs th,.fp-coefs td{min-width:3.5rem;padding:.375rem .75rem}.fp-ladder-table th,.fp-ladder-table td{padding:.375rem .5rem}.fp-ladder-table tbody th{width:2.75rem}.fp-coefs--plain th,.fp-coefs--plain td{min-width:2.5rem;padding:.375rem;font-size:1rem}.fp-example{padding:1.5rem 0 1.75rem}.fp-example-task,.fp-example-task p{font-size:1.0625rem}.fp-special{grid-template-columns:minmax(0,1fr)}.fp-note-compare-row{grid-template-columns:minmax(0,1fr);gap:.125rem}}@media print{.fp{padding:0}.fp-container{max-width:none;padding:0}.fp-contents,.fp-practice,.fp-related-arrow,.breadcrumbs,.qa-section{display:none!important}.fp-walk-equation{position:static}.fp-walk-readout,.fp-example-toggle,.fp-case-toggle{display:none!important}.fp-stage,.fp-walk-step,.fp-case,.fp-example,.fp-special,.fp-note{break-inside:avoid}}.fp-grid--fraction .fp-grid-total{height:auto;min-height:2.25rem;padding:.5rem 1rem .625rem}.fp-ladder-row{align-items:center;gap:.25rem;margin-top:1rem;display:flex}.fp-ladder-cell{background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);min-width:2.75rem;color:var(--text-primary);border-radius:8px;justify-items:center;gap:.25rem;padding:.375rem .25rem;display:grid}.fp-ladder-cell--zero{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-ladder-cell--zero{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-ladder-cell--zero{border-color:var(--text-primary)}.fp-ladder-value{font-family:var(--font-mono);font-size:.9375rem;font-weight:600}.fp-ladder-step{color:var(--text-secondary);font-size:.75rem}.fp-routes-body{gap:1rem;margin-top:1rem;display:grid}.fp-routes-label{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 .375rem;font-size:.8125rem}.fp-routes-row{align-items:center;gap:.375rem;display:flex}.fp-routes-op{color:var(--text-secondary);align-items:center;gap:.25rem;font-size:1.0625rem;display:inline-flex}.fp-routes-op:after{content:"→"}.fp-routes-end{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-routes-end{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-routes-end{border-color:var(--text-primary)}.fp-square .cat-sq-cut{stroke:var(--text-secondary);stroke-width:1px;opacity:.6}.fp-routes-row .fp-factors-chip{aspect-ratio:auto;width:auto;min-width:min(2.25rem,9vw);height:2.25rem;padding:0 .375rem}.fp-square .cat-sq-name--small{font-size:.8125rem}.fp-cubes-body{gap:.875rem;margin-top:1rem;display:grid}.fp-cubes-name{color:var(--text-primary);margin:0 0 .375rem}.fp-cubes-chips{flex-wrap:wrap;gap:4px;display:flex}.fp-cubes-chip{border:1px solid var(--fp-hairline-strong);border-radius:4px;width:1.25rem;height:1.25rem}.fp-cubes-chip--a3{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-cubes-chip--a3{background:color-mix(in srgb,var(--primary)22%,var(--bg-secondary))}}.fp-cubes-chip--a2b{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-cubes-chip--a2b{background:color-mix(in srgb,var(--primary)9%,var(--bg-secondary))}}.fp-cubes-chip--ab2{background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.fp-cubes-chip--ab2{background:color-mix(in srgb,var(--text-primary)12%,var(--bg-secondary))}}.fp-cubes-chip--b3{background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.fp-cubes-chip--b3{background:color-mix(in srgb,var(--text-primary)30%,var(--bg-secondary))}}.fp-cubes-total{border-top:1px solid var(--text-primary);color:var(--text-primary);margin:0;padding-top:.625rem}.fp-cubes-chip--gone{border-style:dashed;border-color:var(--text-secondary);background:0 0}.fp-cubes-layers{gap:.625rem;display:grid}.fp-cubes-layer{align-items:flex-start;gap:.5rem;display:flex}.fp-cubes-part-name{text-align:center;color:var(--text-secondary);margin:.25rem 0 0;font-size:.9375rem}.fp-ruler{max-width:25rem}.fp-ruler .cat-ruler-result,.fp-ruler .cat-label--product{background:var(--cat-marker);color:var(--text-primary)}.fp-section>.fp-coefs{margin:1.25rem 0}.fp-trig-jump{flex-wrap:wrap;gap:.25rem 1rem;margin:1.25rem 0 1rem;display:flex}.fp-trig-jump a{min-height:40px;font-family:var(--font-body);font-variant-numeric:tabular-nums;color:var(--text-secondary);text-decoration:underline;-webkit-text-decoration-color:var(--fp-hairline-strong);text-decoration-color:var(--fp-hairline-strong);text-underline-offset:.25em;align-items:center;font-size:.9375rem;font-weight:500;transition:color .2s;display:inline-flex}.fp-trig-jump a:hover{color:var(--primary)}.fp-trig{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:1.5rem;display:grid}.fp-trig-table{border-collapse:separate;border-spacing:0;background:var(--bg-secondary);border:1px solid var(--fp-hairline-strong);width:100%;font-family:var(--font-body);font-variant-numeric:tabular-nums;border-radius:16px;font-size:.9375rem}.fp-trig-table thead th{top:var(--fp-header-offset);z-index:1;background:var(--text-primary);padding:.625rem .75rem;position:sticky}@supports (color:color-mix(in lab,red,red)){.fp-trig-table thead th{background:color-mix(in srgb,var(--text-primary)4%,var(--bg-secondary))}}.fp-trig-table thead th{border-bottom:1px solid var(--fp-hairline-strong);color:var(--text-primary);text-align:right;font-weight:600}.fp-trig-table thead th:first-child{text-align:left;border-top-left-radius:15px}.fp-trig-table thead th:last-child{border-top-right-radius:15px}.fp-trig-table tbody th,.fp-trig-table tbody td{border-bottom:1px solid var(--fp-hairline);text-align:right;white-space:nowrap;padding:.3125rem .75rem}.fp-trig-table tbody th{text-align:left;color:var(--text-primary);font-weight:700}.fp-trig-table tbody td{color:var(--text-primary);font-weight:500}@supports (color:color-mix(in lab,red,red)){.fp-trig-table tbody td{color:color-mix(in srgb,var(--text-primary)85%,transparent)}}.fp-trig-table tbody tr:last-child>*{border-bottom:0}.fp-trig-table tbody tr.is-group-end>*{border-bottom-color:var(--fp-hairline-strong)}.fp-trig-table tbody tr.is-special>*{background:var(--text-primary)}@supports (color:color-mix(in lab,red,red)){.fp-trig-table tbody tr.is-special>*{background:color-mix(in srgb,var(--text-primary)4%,transparent)}}.fp-trig-table tbody tr.is-special>*{color:var(--text-primary);font-weight:700}.fp-trig-table tbody tr:hover>*,.fp-trig-table tbody tr:target>*{background:var(--primary)}@supports (color:color-mix(in lab,red,red)){.fp-trig-table tbody tr:hover>*,.fp-trig-table tbody tr:target>*{background:color-mix(in srgb,var(--primary)9%,transparent)}}.fp-trig-table tbody tr:target>th{color:var(--primary)}.fp-trig-table tbody tr{scroll-margin-top:calc(var(--fp-header-offset) + 3rem)}.fp-trig-none{color:var(--text-secondary);font-size:.8125rem;font-weight:500}@media(max-width:860px){.fp-trig{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.fp-trig-table{font-size:.875rem}.fp-trig-table thead th,.fp-trig-table tbody th,.fp-trig-table tbody td{padding-left:.5rem;padding-right:.5rem}}@media print{.fp-trig-jump{display:none}.fp-trig-table thead th{position:static}.fp-trig-table tbody tr>*{background:0 0!important}}.qa-section{border-top:1px solid #0f172a14;margin-top:4rem;padding-top:2.5rem}.qa-section-header{align-items:baseline;gap:.75rem;margin-bottom:.5rem;display:flex}.qa-section-title{font-family:var(--font-display);color:var(--text-primary);margin:0;font-size:1.75rem;font-weight:700;line-height:1.25}.qa-count{font-family:var(--font-body);color:var(--text-secondary);margin-left:auto;font-size:.875rem}.qa-intro{font-family:var(--font-body);color:var(--text-secondary);max-width:40rem;margin:0 0 1.5rem;font-size:1.0625rem;line-height:1.7}.qa-ask{margin-top:1.5rem}.qa-ask-toggle{min-height:2.75rem;font-family:var(--font-body);color:var(--text-primary);cursor:pointer;background:0 0;border:1px solid #0f172a29;border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1.125rem;font-size:.9375rem;font-weight:600;transition:border-color .2s,background-color .2s;display:inline-flex}.qa-ask-toggle:hover{border-color:#0f172a4d}.qa-ask-toggle[aria-expanded=true]{background:var(--bg-tertiary);border-color:#0000}.qa-ask-toggle svg{width:1rem;height:1rem;transition:transform .2s}.qa-ask-toggle[aria-expanded=true] svg{transform:rotate(45deg)}.qa-section button:focus-visible,.qa-section a:focus-visible,.qa-terms-checkbox input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.qa-form-container{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:16px;margin-top:1rem;padding:1.5rem}.qa-form-title{font-family:var(--font-display);color:var(--text-primary);margin-bottom:1rem;font-size:1.0625rem;font-weight:600}.qa-form-row{gap:1rem;margin-bottom:1rem;display:flex}.qa-form-group{flex:1}.qa-form-label{font-family:var(--font-body);color:var(--text-secondary);margin-bottom:.375rem;font-size:.875rem;font-weight:500;display:block}.qa-form-input{width:100%;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-main);border:1px solid #0000001f;border-radius:10px;outline:none;padding:.625rem .875rem;font-size:.9375rem;transition:border-color .2s,box-shadow .2s}.qa-form-input:focus{border-color:var(--primary)}.qa-form-input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.qa-form-textarea{width:100%;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-main);resize:vertical;border:1px solid #0000001f;border-radius:10px;outline:none;min-height:100px;padding:.75rem .875rem;font-size:.9375rem;transition:border-color .2s,box-shadow .2s}.qa-form-textarea:focus{border-color:var(--primary)}.qa-form-textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.qa-form-hint{font-family:var(--font-body);color:var(--text-secondary);margin-top:.5rem;margin-bottom:1rem;font-size:.8125rem}.qa-form-hint code{font-family:var(--font-mono);background:var(--bg-tertiary);border-radius:4px;padding:.125rem .375rem;font-size:.8125rem}.qa-form-actions{justify-content:flex-end;display:flex}.qa-submit-btn{font-family:var(--font-body);color:#fff;background:var(--primary);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.625rem 1.5rem;font-size:.9375rem;font-weight:600;transition:background-color .2s;display:inline-flex}.qa-submit-btn:hover{background:var(--primary-dark)}.qa-submit-btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.qa-submit-btn svg{width:18px;height:18px}.qa-terms-checkbox{font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.8125rem;display:flex}.qa-terms-checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;flex-shrink:0}.qa-terms-checkbox a{color:var(--primary);text-underline-offset:.2em;-webkit-text-decoration:underline #2563eb59;text-decoration:underline #2563eb59}.qa-terms-checkbox a:hover{text-decoration:underline}.qa-form-error{font-family:var(--font-body);color:var(--error);margin-top:.375rem;font-size:.8125rem}.qa-form-input.error,.qa-form-textarea.error{border-color:var(--error)}.qa-alert{font-family:var(--font-body);border-radius:10px;margin-bottom:1rem;padding:.875rem 1rem;font-size:.875rem;display:none}.qa-alert-success{color:#065f46;background:#10b9811a;border:1px solid #10b98133}.qa-alert-error{background:var(--error-light);color:var(--error-dark);border:1px solid #ef444433}.qa-questions-list{flex-direction:column;gap:1.25rem;display:flex}.qa-empty-state{color:var(--text-secondary);font-family:var(--font-body);border-top:1px solid #0f172a14;border-bottom:1px solid #0f172a14;padding:1rem 0;font-size:.9375rem}.qa-empty-state p{margin:0}.qa-question-card{background:var(--bg-secondary);border:1px solid #0f172a14;border-radius:12px;padding:1.25rem}.qa-question-meta{align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.qa-avatar{background:var(--bg-tertiary);width:36px;height:36px;color:var(--text-primary);font-family:var(--font-display);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:600;display:flex}.qa-nickname{font-family:var(--font-display);color:var(--text-primary);font-size:.9375rem;font-weight:600}.qa-date{font-family:var(--font-body);color:var(--text-secondary);margin-left:auto;font-size:.8125rem}.qa-question-content{font-family:var(--font-body);color:var(--text-primary);white-space:pre-wrap;word-break:break-word;margin-bottom:.75rem;font-size:.9375rem;line-height:1.6}.qa-question-actions{align-items:center;gap:1rem;padding-top:.5rem;display:flex}.qa-reply-btn{font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0f172a29;border-radius:8px;align-items:center;gap:.375rem;min-height:2.75rem;padding:.375rem .75rem;font-size:.8125rem;font-weight:600;transition:color .2s,border-color .2s;display:inline-flex}.qa-reply-btn:hover{color:var(--text-primary);border-color:#0f172a4d}.qa-reply-btn svg{width:16px;height:16px}.qa-answers-count{font-family:var(--font-body);color:var(--text-secondary);font-size:.8125rem}.qa-answers-container{border-left:1px solid #0f172a29;margin-top:.75rem;padding-left:1rem}.qa-answer-card{background:var(--bg-main);border-radius:10px;margin-top:.75rem;padding:1rem}.qa-answer-card .qa-avatar{width:30px;height:30px;font-size:.75rem}.qa-ai-badge{font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-tertiary);border-radius:100px;align-items:center;gap:.25rem;margin-left:.5rem;padding:.125rem .5rem;font-size:.6875rem;font-weight:600;display:inline-flex}.qa-content-link{color:var(--primary);text-underline-offset:2px;word-break:break-all;text-decoration:underline}.qa-content-link:hover{color:var(--primary-dark)}.qa-answer-card--official{background:var(--bg-secondary);border:1px solid #0f172a1f}.qa-answer-card--official .qa-avatar{background:var(--ink-board);color:var(--ink-board-text)}.qa-official-badge{font-family:var(--font-body);color:var(--text-primary);background:var(--bg-tertiary);border-radius:100px;align-items:center;margin-left:.5rem;padding:.125rem .5rem;font-size:.6875rem;font-weight:600;display:inline-flex}.qa-preview{background:var(--bg-main);border:1px solid #00000014;border-radius:10px;margin-top:.75rem;margin-bottom:1rem;overflow:hidden}.qa-preview-label{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);background:#00000005;border-bottom:1px solid #0000000f;padding:.5rem .875rem;font-size:.75rem;font-weight:600}.qa-preview-content{font-family:var(--font-body);color:var(--text-primary);white-space:pre-wrap;word-break:break-word;min-height:2.5rem;padding:.875rem;font-size:.9375rem;line-height:1.6}.qa-reply-form{background:var(--bg-main);border-radius:10px;margin-top:.75rem;padding:1rem;display:none}.qa-reply-form.active{display:block}.qa-reply-form .qa-form-row{margin-bottom:.75rem}.qa-reply-form .qa-form-actions{margin-top:.75rem}.qa-load-more{justify-content:center;margin-top:1.5rem;display:flex}.qa-load-more-btn{font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0f172a29;border-radius:8px;align-items:center;gap:.5rem;padding:.625rem 1.5rem;font-size:.875rem;font-weight:600;transition:color .2s,border-color .2s;display:inline-flex}.qa-load-more-btn:hover{color:var(--text-primary);border-color:#0f172a4d}.qa-load-more-btn:disabled{opacity:.5;cursor:not-allowed}.qa-loading{justify-content:center;padding:2rem;display:flex}.qa-spinner{border:3px solid #2563eb26;border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite qa-spin}@keyframes qa-spin{to{transform:rotate(360deg)}}.qa-math-toolbar{flex-wrap:wrap;gap:.375rem;margin-bottom:.5rem;display:flex}.qa-math-btn{min-width:36px;height:32px;font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-main);cursor:pointer;border:1px solid #0000001f;border-radius:6px;justify-content:center;align-items:center;padding:.25rem .5rem;font-size:.8125rem;line-height:1;transition:all .15s;display:inline-flex}.qa-math-btn:hover{color:var(--primary);border-color:var(--primary);background:#2563eb0a}.qa-math-btn:active{transform:scale(.95)}.qa-math-btn .katex{font-size:.875rem}.qa-latex-help-toggle{font-family:var(--font-body);color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;gap:.375rem;margin-top:.5rem;margin-bottom:.5rem;padding:.25rem 0;font-size:.8125rem;display:inline-flex}.qa-latex-help-toggle:hover{text-decoration:underline}.qa-latex-help-toggle svg{width:14px;height:14px;transition:transform .2s}.qa-latex-help-toggle.active svg{transform:rotate(180deg)}.qa-latex-help{background:var(--bg-main);border:1px solid #00000014;border-radius:10px;margin-bottom:1rem;padding:1rem 1.25rem;display:none}.qa-latex-help.active{display:block}.qa-latex-help-intro{font-family:var(--font-body);color:var(--text-secondary);margin-bottom:1rem;font-size:.8125rem}.qa-latex-help-intro code{font-family:var(--font-mono);background:var(--bg-tertiary);border-radius:4px;padding:.125rem .375rem;font-size:.8125rem}.qa-latex-help-group{margin-bottom:.75rem}.qa-latex-help-group:last-child{margin-bottom:0}.qa-latex-help-group-title{font-family:var(--font-display);color:var(--text-secondary);margin-bottom:.5rem;font-size:.8125rem;font-weight:600}.qa-latex-examples{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.375rem;display:grid}.qa-latex-example{background:var(--bg-secondary);cursor:pointer;border:1px solid #0000000f;border-radius:6px;align-items:center;gap:.625rem;padding:.375rem .625rem;transition:all .15s;display:flex}.qa-latex-example:hover{border-color:var(--primary);background:#2563eb0a}.qa-latex-example-code{font-family:var(--font-mono);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;flex-shrink:1;min-width:0;font-size:.75rem;overflow:hidden}.qa-latex-example-preview{flex-shrink:0}.qa-latex-example-preview .katex{font-size:.875rem}@media(max-width:640px){.qa-form-row{flex-direction:column;gap:.75rem}.qa-form-container{padding:1.25rem}.qa-question-card{padding:1rem}.qa-section-header{flex-wrap:wrap}.qa-count{width:100%;margin-left:0}.qa-date{font-size:.75rem}.qa-latex-examples{grid-template-columns:1fr}.qa-math-toolbar{gap:.25rem}.qa-math-btn{min-width:32px;height:30px;padding:.25rem .375rem}}.theme-zeszyt{--zeszyt-paper:#fbf8f1;--zeszyt-sheet:#fffdf8;--zeszyt-ink:#1c2541;--zeszyt-ink-soft:#545b70;--zeszyt-line:#1c25411f;--zeszyt-line-strong:#1c25412e;--zeszyt-grid:#2b4cb312;--zeszyt-pen:#2b4cb3;--zeszyt-marker:#fde68a;--zeszyt-marker-wash:#fef6d6;--zeszyt-marker-line:#a06e0059;--zeszyt-marker-ink:#7a5200;--zeszyt-squares:linear-gradient(var(--zeszyt-grid)1px,transparent 1px),linear-gradient(90deg,var(--zeszyt-grid)1px,transparent 1px);--primary:var(--zeszyt-pen);--primary-dark:#213b8f;--text-primary:var(--zeszyt-ink);--text-secondary:var(--zeszyt-ink-soft);--bg-main:var(--zeszyt-paper);--bg-secondary:var(--zeszyt-sheet);--bg-tertiary:var(--zeszyt-paper);--accent-dark:#047857;--ink-board:var(--zeszyt-ink);--logo-tile:var(--zeszyt-sheet);--logo-line:var(--zeszyt-line-strong);--logo-ink:var(--zeszyt-ink);background:var(--zeszyt-paper);color:var(--zeszyt-ink)}.theme-zeszyt ::selection{background:var(--zeszyt-marker);color:var(--zeszyt-ink)}.theme-zeszyt #main-header,.theme-zeszyt>footer{background:var(--zeszyt-sheet);border-color:var(--zeszyt-line)}.theme-zeszyt .logo-wordmark{color:var(--zeszyt-ink-soft)}.theme-zeszyt .logo-wordmark strong{color:var(--zeszyt-ink)}@media(min-width:1024px){.theme-zeszyt .header-search{background:var(--zeszyt-paper);border-color:var(--zeszyt-line)}.theme-zeszyt .header-search:hover{background:var(--zeszyt-sheet);border-color:var(--zeszyt-line-strong)}.theme-zeszyt .header-search-key{background:var(--zeszyt-sheet);border-color:var(--zeszyt-line)}}.theme-zeszyt .mobile-search{background:var(--zeszyt-paper);border-color:var(--zeszyt-line)}.theme-zeszyt>footer .text-slate-900,.theme-zeszyt #main-header .text-slate-600{color:var(--zeszyt-ink)}.theme-zeszyt>footer .text-slate-600{color:var(--zeszyt-ink-soft)}.theme-zeszyt>footer a:hover{color:var(--primary)}.theme-zeszyt .fp{--fp-hairline:#1c254114;--fp-hairline-strong:#1c254129}.theme-zeszyt .fp-stage-main{background-color:var(--zeszyt-sheet);background-image:var(--zeszyt-squares);background-position:50%;background-size:22px 22px}.theme-zeszyt .practice-link,.theme-zeszyt .fp-practice .practice-link{background:var(--zeszyt-marker-wash);border-color:var(--zeszyt-marker-line)}.theme-zeszyt .practice-link:hover,.theme-zeszyt .fp-practice .practice-link:hover{border-color:var(--zeszyt-marker-ink)}.theme-zeszyt .practice-link-icon,.theme-zeszyt .fp-practice .practice-link-icon{color:var(--zeszyt-marker-ink);background:var(--zeszyt-sheet)}.theme-zeszyt .fp-practice .practice-link:hover .practice-link-title,.theme-zeszyt .fp-practice .practice-link:hover .practice-link-arrow{color:var(--zeszyt-marker-ink)}.theme-zeszyt .fp-calc-result .katex{background:var(--zeszyt-marker);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;padding:.1em .3em}.theme-zeszyt .fp-case-current{color:var(--zeszyt-ink);box-shadow:inset 0 0 0 1px var(--zeszyt-ink);background:0 0}.theme-zeszyt .fp-coefs:not(.fp-coefs--plain) td{background:var(--zeszyt-marker)}.theme-zeszyt .fp-walk-readout.is-latest .katex{background:var(--zeszyt-marker);border-radius:3px;padding:0 .25em}.theme-zeszyt .fp .example-answer{background-color:var(--zeszyt-sheet);background-image:var(--zeszyt-squares);background-size:22px 22px}.theme-zeszyt .fp-mark{color:var(--zeszyt-ink);background:var(--zeszyt-marker);border-radius:3px;padding:.05em .25em}.theme-zeszyt .task-action,.theme-zeszyt .qa-reply-btn,.theme-zeszyt .qa-load-more-btn,.theme-zeszyt .qa-ask-toggle{border-color:var(--zeszyt-line-strong)}.theme-zeszyt .qa-section,.theme-zeszyt .qa-question-card,.theme-zeszyt .qa-answer-card--official{border-color:var(--zeszyt-line)}.theme-zeszyt .qa-answers-container{border-left-color:var(--zeszyt-line-strong)}.theme-zeszyt .fp-case-toggle{border-color:var(--zeszyt-line-strong)}.theme-zeszyt .breadcrumb-item:after{color:var(--zeszyt-ink-soft)}.theme-zeszyt .task-steps:before{background:var(--zeszyt-line)}.theme-zeszyt .task-step:before{border-color:var(--zeszyt-line-strong)}@media print{.theme-zeszyt,.theme-zeszyt .fp-stage-main,.theme-zeszyt .fp .example-answer,.theme-zeszyt .fp-coefs td{background:0 0}.theme-zeszyt .fp-calc-result .katex,.theme-zeszyt .fp-mark{background:0 0;text-decoration:underline;text-decoration-thickness:2px}}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#60a5fa;--accent:#10b981;--accent-dark:#059669;--accent-light:#34d399;--bg-main:#fafafa;--bg-secondary:#fff;--bg-tertiary:#f3f4f6;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--warning:#f59e0b;--warning-light:#fef3c7;--warning-dark:#92400e;--error:#ef4444;--error-light:#fef2f2;--error-dark:#991b1b;--error-darker:#7f1d1d;--success:#10b981;--hue-algebra:#4338ca;--hue-analysis:#6d28d9;--hue-geometry:#0f766e;--hue-statistics:#be185d;--ink-board:#0f172a;--ink-board-text:#f8fafc;--ink-board-text-muted:#cbd5e1;--ink-board-chalk:#fde68a;--ink-board-focus:#93c5fd;--spacing-unit:.25rem;--font-display:"Outfit",sans-serif;--font-body:"DM Sans",sans-serif;--font-mono:"JetBrains Mono",monospace}h1,h2,h3,h4,h5,h6,p,span{font-family:var(--font-display)}a,div,li,ul,ol,td,th,label,input,textarea,button,select,footer *{font-family:var(--font-body)}code,pre{font-family:var(--font-mono)}.main-hero *,.logo *{font-family:var(--font-display)}.category-icon-large{margin-inline:auto;margin-bottom:calc(var(--spacing)*8);border-radius:var(--radius-2xl);width:88px;height:88px;font-family:Instrument Sans,ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height));--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold);color:var(--ink-board-text);background:var(--ink-board);box-shadow:inset 0 -4px 0 var(--hue,transparent);justify-content:center;align-items:center;display:flex}.katex,.katex *{font-family:KaTeX_Main,Times New Roman,serif}.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS!important}[data-subject=algebra]{--hue:var(--hue-algebra)}[data-subject=analysis]{--hue:var(--hue-analysis)}[data-subject=geometry]{--hue:var(--hue-geometry)}[data-subject=statistics]{--hue:var(--hue-statistics)}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0%}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-content{syntax:"*";inherits:false;initial-value:""}@keyframes spin{to{transform:rotate(360deg)}}@keyframes ping{75%,to{opacity:0;transform:scale(2)}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce{0%,to{animation-timing-function:cubic-bezier(.8,0,1,1);transform:translateY(-25%)}50%{animation-timing-function:cubic-bezier(0,0,.2,1);transform:none}}
