@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-vietnamese-opsz-normal-BjhtXyW2.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-ext-opsz-normal-BQn1nviT.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-opsz-normal-s-izfB6B.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-vietnamese-opsz-italic-DTr-ymY4.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-ext-opsz-italic-CSPGnFdO.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/assets/newsreader-latin-opsz-italic-kJKFiXvB.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/instrument-sans-latin-ext-wght-normal-B5bTHO_g.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/instrument-sans-latin-wght-normal-BbzFLZTg.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-wght-normal-D73BlboJ.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-greek-wght-normal-Bw9x6K1M.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-vietnamese-wght-normal-Bt-aOZkq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-ext-wght-normal-DBQx-q_a.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-wght-normal-B9CIFXIH.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-wght-italic-CfQkWpeR.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-greek-wght-italic-Dmq-fBVQ.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-vietnamese-wght-italic-Dcombn6O.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-ext-wght-italic-BrDczivE.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:italic;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-wght-italic-B2M6KQje.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f4f1ea;--paper-raised:#faf8f3;--paper-sunk:#ebe7dd;--paper-well:#f0ece3;--paper-hover:#fff;--fill:#ebe7dd;--field:#fff;--ink:#1b1a17;--ink-2:#4a463f;--ink-3:#79746a;--ink-4:#a8a296;--ink-max:#000;--paper-max:#fff;--rule:#d9d3c6;--rule-soft:#e6e1d6;--accent:#b5532e;--accent-strong:#97411f;--accent-wash:#f2e2d6;--accent-faint:#f7ede5;--on-accent:#fff;--pass:#2f6a48;--pass-wash:#e3ece2;--fail:#a3342a;--fail-wash:#f6e4df;--warn:#8e6418;--warn-wash:#f3ead5;--code-on-wash:#fff9;--editor-bg:#fcfbf8;--editor-active:#b5532e0b;--editor-selection:#b5532e2b;--editor-match:#b5532e17;--editor-bracket:#1b1a1714;--syn-keyword:#9c3f1c;--syn-def:#1b1a17;--syn-call:#2c5078;--syn-string:#4c6b2c;--syn-number:#6c4795;--syn-comment:#948e82;--syn-class:#8a5a14;--syn-prop:#3f3b35;--syn-op:#79746a;--syn-meta:#8e6418;--viz-stage:#f0ece3;--viz-cell:#d6cfc1;--viz-1:#b5532e;--viz-2:#4f7a3a;--viz-3:#2e5f8f;--viz-4:#7650a3;--viz-5:#a67814;--viz-6:#2a7d78;--viz-guide:#a8a296;--viz-text:#4a463f;--viz-wrong:#d23a2c;--viz-mark:#d6409f;--font-serif:"Newsreader Variable", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--font-sans:"Instrument Sans Variable", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono Variable", ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;--radius-sm:5px;--radius:8px;--radius-lg:11px;--shadow-card:0 0 0 1px var(--rule-soft), 0 1px 2px #1b1a170a;--shadow-lift:0 12px 24px -18px #1b1a1759;--ease:cubic-bezier(.2, .7, .2, 1)}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#141413;--paper-raised:#1c1c1a;--paper-sunk:#0e0e0d;--paper-well:#121211;--paper-hover:#262624;--fill:#262624;--field:#0f0f0e;--ink:#edebe3;--ink-2:#c3c0b5;--ink-3:#94918a;--ink-4:#67655f;--ink-max:#fff;--paper-max:#141413;--rule:#3a3935;--rule-soft:#2a2a27;--accent:#d68162;--accent-strong:#e9a285;--accent-wash:#3b2a23;--accent-faint:#271f1b;--on-accent:#1a1210;--pass:#8fbc9b;--pass-wash:#212d25;--fail:#e8907f;--fail-wash:#352421;--warn:#ddb36c;--warn-wash:#302a1f;--code-on-wash:#ffffff12;--editor-bg:#181817;--editor-active:#edebe309;--editor-selection:#d6816242;--editor-match:#d6816221;--editor-bracket:#edebe321;--syn-keyword:#e3906f;--syn-def:#f5f3ec;--syn-call:#9dbbdb;--syn-string:#adc48d;--syn-number:#c3a8e3;--syn-comment:#7e7c73;--syn-class:#e2ba72;--syn-prop:#d6d3c9;--syn-op:#9c998f;--syn-meta:#ddb36c;--viz-stage:#121211;--viz-cell:#3a3935;--viz-1:#e08b6a;--viz-2:#9cc488;--viz-3:#8fb6dc;--viz-4:#bb9ce3;--viz-5:#e3bd6c;--viz-6:#79c4bc;--viz-guide:#67655f;--viz-text:#c3c0b5;--viz-wrong:#ff6b5e;--viz-mark:#f08ad0;--shadow-card:0 0 0 1px var(--rule-soft), 0 1px 2px #00000059;--shadow-lift:0 14px 28px -18px #000000e6}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;font-size:15px;line-height:1.55}::selection{background:var(--accent-wash);color:var(--ink)}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-weight:500}a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--accent-strong)}button{font:inherit;color:inherit}code,kbd,pre{font-family:var(--font-mono)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.container{width:min(1180px,100% - 48px);margin-inline:auto}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.btn{height:32px;font-family:var(--font-sans);letter-spacing:.005em;white-space:nowrap;cursor:pointer;transition:background-color .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease), transform .15s var(--ease);border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:9px;padding:0 14px;font-size:13.5px;font-weight:560;line-height:1;text-decoration:none;display:inline-flex}.btn:active:not(:disabled){transform:translateY(.5px)}.btn:disabled{cursor:default;opacity:.5}.btn-lg{border-radius:9px;height:46px;padding:0 20px;font-size:15px}.btn-sm{height:30px;padding:0 12px;font-size:13px}.btn-xs{border-radius:5px;height:24px;padding:0 9px;font-size:12px}.btn-dark{background:var(--ink);color:var(--paper-raised)}.btn-dark:hover{background:var(--ink-max);color:var(--paper-max)}.btn-accent{background:var(--accent);border-color:var(--accent-strong);color:var(--on-accent);box-shadow:inset 0 1px #ffffff24}.btn-accent:hover:not(:disabled){background:var(--accent-strong);color:var(--on-accent)}.btn-quiet{background:var(--paper-raised);border-color:var(--rule);color:var(--ink)}.btn-quiet:hover:not(:disabled){background:var(--paper-hover);border-color:var(--ink-4);color:var(--ink)}.btn-ghost{color:var(--ink-3);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--fill);color:var(--ink)}.btn-ghost.is-armed{background:var(--fail-wash);color:var(--fail)}kbd{border:1px solid var(--rule);background:var(--paper-raised);min-width:20px;color:var(--ink-2);text-align:center;border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:11px;line-height:1.45;display:inline-block}.wordmark{color:var(--ink);font-family:var(--font-serif);font-variation-settings:"opsz" 24;letter-spacing:-.012em;white-space:nowrap;align-items:center;gap:10px;font-size:20px;font-weight:500;text-decoration:none;display:inline-flex}.wordmark:hover{color:var(--ink)}.wordmark.is-compact{gap:8px;font-size:17px}.wordmark-tagline{border-left:1px solid var(--rule);color:var(--ink-3);font-family:var(--font-sans);font-variation-settings:normal;letter-spacing:0;padding-left:11px;font-size:13px;font-weight:500;line-height:18px}@media (width<=900px){.wordmark-tagline{display:none}}@media (width<=340px){.wordmark span{display:none}}.logo-mark{color:var(--ink);flex:none}.logo-mark-top{fill:var(--accent)}.difficulty{letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:650}.difficulty.is-easy{color:var(--pass)}.difficulty.is-medium{color:var(--warn)}.difficulty.is-hard{color:var(--fail)}.status-mark{color:var(--ink-4);display:inline-flex}.status-mark.is-solved{color:var(--pass)}.status-mark.is-attempted{color:var(--warn)}.runtime-badge{border:1px solid var(--rule-soft);background:var(--paper-raised);height:28px;color:var(--ink-3);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:0 12px 0 11px;font-size:12px;display:inline-flex}.runtime-dot{background:var(--ink-4);border-radius:50%;width:7px;height:7px}.runtime-badge.is-loading .runtime-dot{background:var(--warn);animation:1.2s ease-in-out infinite pulse}.runtime-badge.is-ready .runtime-dot{background:var(--pass);box-shadow:0 0 0 3px var(--pass-wash)}.runtime-badge.is-error{border-color:var(--fail-wash);color:var(--fail)}.runtime-badge.is-error .runtime-dot{background:var(--fail)}.theme-toggle{border:1px solid var(--rule-soft);background:var(--paper-raised);width:28px;height:28px;color:var(--ink-3);cursor:pointer;transition:border-color .15s var(--ease), color .15s var(--ease);border-radius:50%;flex:none;place-items:center;padding:0;display:inline-grid}.theme-toggle:hover{border-color:var(--rule);color:var(--ink)}.theme-toggle svg{display:block}.theme-swap *,.theme-swap :before,.theme-swap :after{transition:none!important}.runtime-retry{color:var(--accent-strong);text-underline-offset:2px;cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;text-decoration:underline}.spinner{border:1.5px solid var(--rule);border-top-color:var(--accent);border-radius:50%;flex:none;width:14px;height:14px;animation:.8s linear infinite spin}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.prose{color:var(--ink);font-family:var(--font-serif);font-variation-settings:"opsz" 16;font-size:17.5px;line-height:1.62}.prose>*+*{margin-top:.9em}.prose strong{font-weight:620}.prose em{font-style:italic}.prose h3{color:var(--ink-3);font-family:var(--font-sans);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:14px;margin-top:2.3em;font-size:11px;font-weight:650;line-height:1;display:flex}.prose h3:after{content:"";background:var(--rule-soft);flex:1;height:1px}.prose>h3+*{margin-top:1.1em}.prose>:first-child{margin-top:0}.prose ul,.prose ol{margin-bottom:0;padding-left:1.25em}.prose li+li{margin-top:.4em}.prose ul>li::marker{content:"– ";color:var(--ink-4)}.prose ol>li::marker{color:var(--ink-3);font-family:var(--font-mono);font-size:.8em}.prose :not(pre)>code,.hint-text code,.method-item code{border:1px solid var(--rule-soft);background:var(--paper-well);color:var(--ink);font-variant-ligatures:none;border-radius:4px;padding:.1em .36em;font-size:.8em}.prose .math-display{margin-block:1.15em;padding:2px 0;overflow:auto hidden}.prose .katex{font-size:1.04em}.prose blockquote{border-left:2px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-faint);color:var(--ink-2);margin:1.8em 0 0;padding:15px 18px 16px;font-size:15.5px;line-height:1.6}.prose blockquote strong{color:var(--ink)}.prose blockquote p+p{margin-top:.6em}.prose a{color:var(--accent-strong)}.code-block{border:1px solid var(--rule-soft);border-radius:var(--radius);background:var(--paper-well);color:var(--ink);font-family:var(--font-mono);font-variant-ligatures:none;tab-size:4;margin:0;padding:14px 16px;font-size:13px;line-height:1.65;overflow-x:auto}.prose .code-block{margin-top:1.1em}.code-block code{font:inherit}.tok-keyword{color:var(--syn-keyword)}.tok-atom,.tok-number{color:var(--syn-number)}.tok-string{color:var(--syn-string)}.tok-escape{color:var(--syn-string);font-weight:600}.tok-comment{color:var(--syn-comment);font-style:italic}.tok-def{color:var(--syn-def);font-weight:650}.tok-class{color:var(--syn-class)}.tok-call{color:var(--syn-call)}.tok-prop{color:var(--syn-prop)}.tok-self{color:var(--syn-keyword);font-style:italic}.tok-op{color:var(--syn-op)}.tok-meta{color:var(--syn-meta)}.tok-punct{color:var(--ink-3)}.code-editor{background:var(--editor-bg);flex:1;min-height:0}.code-editor .cm-editor{height:100%}.code-editor .cm-content{font-variant-ligatures:none}.code-editor .cm-panels{border-top:1px solid var(--rule-soft);background:var(--paper-raised);color:var(--ink-2);font-family:var(--font-sans);font-size:12.5px}.code-editor .cm-panels-bottom{border-top:1px solid var(--rule-soft)}.code-editor .cm-search{flex-wrap:wrap;align-items:center;gap:6px;padding:8px 10px;display:flex}.code-editor .cm-search label{align-items:center;gap:4px;display:inline-flex}.code-editor .cm-textfield{border:1px solid var(--rule);background:var(--field);height:26px;color:var(--ink);font-family:var(--font-mono);border-radius:5px;padding:0 8px;font-size:12px}.code-editor .cm-button{border:1px solid var(--rule);background:var(--paper-raised);height:26px;color:var(--ink-2);font-family:var(--font-sans);background-image:none;border-radius:5px;padding:0 10px;font-size:12px}.code-editor .cm-button:hover{border-color:var(--ink-4);color:var(--ink)}.code-editor .cm-panel button[name=close]{color:var(--ink-3);font-size:16px}.code-editor .cm-searchMatch{outline:1px solid color-mix(in srgb, var(--accent) 35%, transparent);background:color-mix(in srgb, var(--accent) 12%, transparent)}.code-editor .cm-searchMatch-selected{background:color-mix(in srgb, var(--accent) 28%, transparent)}.home{min-height:100vh}.site-header{z-index:10;border-bottom:1px solid var(--rule-soft);background:color-mix(in srgb, var(--paper) 88%, transparent);-webkit-backdrop-filter:saturate(1.3)blur(10px);position:sticky;top:0}.site-header-inner{align-items:center;gap:28px;height:62px;display:flex}.site-nav{gap:24px;margin-left:auto;font-size:14px;display:flex}.site-nav a{color:var(--ink-2);text-decoration:none}.site-nav a:hover{color:var(--ink)}.site-due{background:var(--accent-wash);height:28px;color:var(--accent-strong);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:0 12px;font-size:12.5px;font-weight:620;text-decoration:none;display:inline-flex}.site-due:before{content:"";background:var(--accent);border-radius:50%;width:6px;height:6px}.site-due:hover{background:var(--accent);color:var(--on-accent)}.site-due:hover:before{background:var(--on-accent)}.site-progress{border-left:1px solid var(--rule-soft);font-family:var(--font-mono);align-items:center;gap:10px;padding-left:24px;font-size:12.5px;display:flex}.site-progress-of{color:var(--ink-4)}.site-progress-bar{background:var(--rule-soft);border-radius:2px;width:64px;height:4px;overflow:hidden}.site-progress-bar>span{border-radius:inherit;background:var(--accent);height:100%;transition:width .4s var(--ease);display:block}.hero{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:80px;padding:104px 0 112px;display:grid}.kicker{color:var(--accent-strong);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:12px;font-size:12px;font-weight:620;display:inline-flex}.kicker:before{content:"";background:currentColor;width:28px;height:1px}.hero-title{font-family:var(--font-serif);font-variation-settings:"opsz" 72;letter-spacing:-.03em;margin-top:28px;font-size:clamp(46px,6.2vw,84px);font-weight:380;line-height:.99}.hero-title em{color:var(--ink-2);font-style:italic;font-weight:340}.hero-lede{max-width:33em;color:var(--ink-2);font-family:var(--font-serif);font-variation-settings:"opsz" 18;margin-top:32px;font-size:20.5px;line-height:1.55}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:38px;display:flex}.hero-note{color:var(--ink-3);margin-top:28px;font-size:13px;overflow:hidden}.hero-note p{flex-wrap:wrap;row-gap:6px;margin-left:-26px;display:flex}.hero-note span:before{content:"·";width:26px;color:var(--ink-4);text-align:center;display:inline-block}.figure{margin:0}.stack{flex-direction:column;align-items:center;gap:9px;padding-top:8px;display:flex}.stack-layer{width:var(--layer-width);border:1px dashed var(--ink-4);height:54px;color:var(--ink-3);border-radius:6px;align-items:center;gap:14px;padding:0 16px;display:flex;position:relative;overflow:hidden}.stack-layer.is-open{border:1px solid var(--ink);background:var(--paper-raised);color:var(--ink);box-shadow:0 1px 0 var(--rule-soft), var(--shadow-lift)}.stack-fill{width:var(--layer-fill);background:repeating-linear-gradient(-45deg, var(--accent-wash) 0 5px, var(--accent-faint) 5px 8px);border-right:1px solid var(--accent);transition:width .6s var(--ease);position:absolute;inset:0 auto 0 0}.stack-layer:not(.is-open) .stack-fill,.stack-fill[style*="width: 0"]{border-right:0}.stack-numeral,.stack-name,.stack-count{position:relative}.stack-numeral{min-width:24px;color:var(--accent);font-family:var(--font-serif);font-size:18px;font-style:italic}.stack-layer:not(.is-open) .stack-numeral{color:var(--ink-4)}.stack-name{font-family:var(--font-serif);letter-spacing:-.005em;font-size:18px}.stack-count{color:var(--ink-3);font-family:var(--font-mono);margin-left:auto;font-size:11.5px}.stack-ground{border-top:1px solid var(--ink);background:repeating-linear-gradient(90deg, var(--ink-4) 0 1px, transparent 1px 24px) top / 100% 5px no-repeat;width:100%;height:10px;margin-top:4px;position:relative}.figure-caption{max-width:31em;color:var(--ink-3);font-family:var(--font-serif);text-align:center;margin:22px auto 0;font-size:14.5px;line-height:1.5}.figure-label{color:var(--ink-2);font-weight:620}.method{padding:0 0 96px}.section-label{border-bottom:1px solid var(--rule);color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;padding-bottom:14px;font-size:12px;font-weight:620}.method-grid{grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.method-item{padding:28px 28px 0 0}.method-item+.method-item{border-left:1px solid var(--rule-soft);padding-left:28px}.method-num{color:var(--accent);font-family:var(--font-mono);font-size:12px}.method-item h3{font-family:var(--font-serif);font-variation-settings:"opsz" 30;letter-spacing:-.012em;margin-top:14px;font-size:25px;font-weight:440;line-height:1.18}.method-item p{color:var(--ink-2);margin-top:12px;font-size:15px;line-height:1.62}.syllabus{padding:16px 0 128px}.syllabus-head{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:baseline;gap:24px;padding-bottom:20px;display:flex}.syllabus-title{font-family:var(--font-serif);font-variation-settings:"opsz" 60;letter-spacing:-.025em;font-size:52px;font-weight:380;line-height:1}.syllabus-count{color:var(--ink-3);font-family:var(--font-mono);font-size:12.5px}.tracks-head{border-bottom:1px solid var(--ink);padding:96px 0 22px}.tracks-title{font-family:var(--font-serif);font-variation-settings:"opsz" 48;letter-spacing:-.02em;font-size:40px;font-weight:380;line-height:1.05}.tracks-lede{max-width:42em;color:var(--ink-3);font-family:var(--font-serif);margin-top:12px;font-size:17px;line-height:1.55}.part{border-bottom:1px solid var(--rule);grid-template-columns:300px minmax(0,1fr);gap:64px;padding:52px 0 60px;display:grid}.part-aside{align-self:start;position:sticky;top:96px}.part-numeral{color:var(--accent);font-family:var(--font-serif);font-variation-settings:"opsz" 60;font-size:58px;font-style:italic;font-weight:340;line-height:1}.part-title{font-family:var(--font-serif);font-variation-settings:"opsz" 36;letter-spacing:-.016em;margin-top:14px;font-size:31px;font-weight:440;line-height:1.1}.part-tagline{color:var(--ink-2);margin-top:8px;font-size:14px;font-weight:560}.part-summary{color:var(--ink-3);font-family:var(--font-serif);margin-top:14px;font-size:16px;line-height:1.56}.part-chapters{flex-direction:column;gap:44px;display:flex}.chapter-head{border-bottom:1px solid var(--rule);grid-template-columns:40px minmax(0,1fr) auto auto;align-items:baseline;gap:4px 16px;padding-bottom:14px;display:grid}.chapter-num{color:var(--ink-3);font-family:var(--font-mono);font-size:13px}.chapter-title{font-family:var(--font-serif);font-variation-settings:"opsz" 28;letter-spacing:-.012em;font-size:24px;font-weight:440;line-height:1.15}.chapter-summary{color:var(--ink-3);margin-top:3px;font-size:13.5px}.chapter-package{border:1px solid var(--rule-soft);background:var(--paper-raised);color:var(--ink-2);border-radius:5px;padding:2px 8px;font-size:12px}.chapter-count{min-width:40px;color:var(--ink-3);font-family:var(--font-mono);text-align:right;grid-column:4;font-size:12px}.chapter.is-forthcoming .chapter-package{color:var(--ink-4);background:0 0;border-style:dashed}.chapter.is-forthcoming .chapter-count{color:var(--ink-4);font-family:var(--font-sans);letter-spacing:.12em;text-transform:uppercase;font-size:10.5px;font-weight:620}.items{margin:0;padding:0;list-style:none}.item{border-bottom:1px solid var(--rule-soft);min-height:48px;color:var(--ink);transition:background-color .15s var(--ease);grid-template-columns:40px minmax(0,1fr) auto 18px;align-items:center;gap:16px;padding-right:10px;text-decoration:none;display:grid}a.item:hover{background:linear-gradient(90deg, var(--accent-faint), transparent 75%);color:var(--ink)}a.item:hover .item-title{color:var(--accent-strong)}.item-num{color:var(--ink-3);font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12.5px}.item-title{font-family:var(--font-serif);letter-spacing:-.004em;transition:color .15s var(--ease);font-size:18px}.item.is-planned{grid-template-columns:40px minmax(0,1fr);min-height:40px}.item.is-planned .item-num{color:var(--ink-4)}.item.is-planned .item-title{color:var(--ink-3);font-size:16px}.mock-row{border:1px dashed var(--rule);border-radius:var(--radius);min-height:50px;color:var(--ink);transition:background-color .15s var(--ease), border-color .15s var(--ease);grid-template-columns:40px minmax(0,1fr) auto auto;align-items:center;gap:16px;margin-top:12px;padding-right:14px;text-decoration:none;display:grid}.mock-row:hover{border-style:solid;border-color:var(--ink-4);background:var(--paper-raised);color:var(--ink)}.mock-row-icon{color:var(--accent);justify-self:center;display:inline-flex}.mock-row-title{font-family:var(--font-serif);font-size:18px;font-style:italic}.mock-row:hover .mock-row-title{color:var(--accent-strong)}.mock-row-meta{color:var(--ink-3);font-family:var(--font-mono);font-size:12px}.mock-row-status{min-width:88px;color:var(--ink-3);text-align:right;font-size:12px;font-weight:600}.mock-row.is-due,.mock-row.is-ready{border:1px solid color-mix(in srgb, var(--accent) 40%, transparent);background:var(--accent-faint)}.mock-row.is-due .mock-row-status,.mock-row.is-ready .mock-row-status{color:var(--accent-strong)}.mock-row.is-active .mock-row-status{color:var(--warn)}.site-footer{border-top:1px solid var(--rule);color:var(--ink-3);padding:28px 0 44px;font-size:13px}.site-footer-inner{flex-wrap:wrap;justify-content:space-between;gap:12px 24px;display:flex}.site-footer-inner span:first-child{color:var(--ink-2);font-family:var(--font-serif);font-size:15px}.not-found{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;padding:24px;display:flex}.not-found h1{font-family:var(--font-serif);letter-spacing:-.02em;margin-top:28px;font-size:48px;font-weight:400}.not-found p{color:var(--ink-3);margin-bottom:12px}@media (width<=1000px){.hero{grid-template-columns:minmax(0,1fr);gap:64px;padding:72px 0 80px}.part{grid-template-columns:minmax(0,1fr);gap:28px}.part-aside{position:static}.method-grid{grid-template-columns:minmax(0,1fr)}.method-item,.method-item+.method-item{border-left:0;padding:24px 0}.method-item+.method-item{border-top:1px solid var(--rule-soft)}}@media (width<=760px){.site-nav{display:none}.site-due,.site-progress{margin-left:auto}.site-due+.site-progress{margin-left:0}.site-nav+.site-progress{border-left:0;padding-left:0}}@media (width<=640px){.container{width:calc(100% - 32px)}.site-header-inner{gap:16px}.site-due+.site-progress{display:none}.mock-row{grid-template-columns:30px minmax(0,1fr) auto;gap:10px}.mock-row-meta{display:none}.hero-lede{font-size:18.5px}.hero-actions .btn-lg{text-align:left;white-space:normal;justify-content:space-between;width:100%;height:auto;min-height:46px;padding:12px 18px;line-height:1.3}.syllabus-head{flex-direction:column;gap:10px}.syllabus-title{font-size:42px}.tracks-head{padding-top:72px}.tracks-title{font-size:34px}.chapter-head{grid-template-columns:30px minmax(0,1fr) auto}.chapter-package{grid-column:2/3;justify-self:start}.chapter-count{grid-area:1/3}.item{grid-template-columns:30px minmax(0,1fr) 18px;gap:10px}.item .difficulty{display:none}.item.is-planned{grid-template-columns:30px minmax(0,1fr)}.item-title{font-size:16.5px}}.pp{background:var(--paper-sunk);grid-template-rows:auto minmax(0,1fr);height:100dvh;display:grid}.pp-bar{border-bottom:1px solid var(--rule-soft);background:var(--paper);align-items:center;gap:20px;height:50px;padding:0 12px 0 16px;display:flex}.crumbs{min-width:0;color:var(--ink-3);white-space:nowrap;align-items:center;gap:8px;font-size:13px;display:flex;overflow:hidden}.crumbs a{color:var(--ink-2);text-decoration:none}.crumbs a:hover{color:var(--accent-strong)}.crumbs-sep{color:var(--ink-4)}.crumbs-current{color:var(--ink);font-family:var(--font-mono);font-size:12px}.pp-steps{gap:2px;margin-left:auto;display:flex}.step{height:28px;color:var(--ink-2);font-family:var(--font-mono);border:1px solid #0000;border-radius:6px;align-items:center;gap:6px;padding:0 10px;font-size:12px;text-decoration:none;display:inline-flex}.step:hover{border-color:var(--rule-soft);background:var(--paper-raised);color:var(--ink)}.step.is-disabled{color:var(--ink-4)}.pp-main{padding:6px}.split{min-width:0;height:100%;min-height:0;display:grid}.split-horizontal{grid-template-columns:minmax(0, var(--split)) 6px minmax(0, 1fr)}.split-vertical{grid-template-rows:minmax(0, var(--split)) 6px minmax(0, 1fr)}.split-pane{flex-direction:column;min-width:0;min-height:0;display:flex}.split-pane>.split{flex:1;height:auto}.split-handle{z-index:2;touch-action:none;position:relative}.split-horizontal>.split-handle{cursor:col-resize}.split-vertical>.split-handle{cursor:row-resize}.split-handle:after{content:"";background:var(--rule);transition:background-color .15s var(--ease);border-radius:2px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.split-horizontal>.split-handle:after{width:2px;height:36px}.split-vertical>.split-handle:after{width:36px;height:2px}.split-handle:hover:after{background:var(--accent)}body.is-resizing{-webkit-user-select:none;user-select:none}body.is-resizing-horizontal,body.is-resizing-horizontal *{cursor:col-resize!important}body.is-resizing-vertical,body.is-resizing-vertical *{cursor:row-resize!important}.pane{border-radius:var(--radius-lg);background:var(--paper-raised);min-height:0;box-shadow:var(--shadow-card);flex-direction:column;flex:1;display:flex;overflow:hidden}.pane-editor{background:var(--editor-bg)}.pane-bar{border-bottom:1px solid var(--rule-soft);background:var(--paper-raised);flex:none;justify-content:space-between;align-items:center;gap:12px;height:42px;padding:0 8px 0 6px;display:flex}.pane-scroll{flex:1;min-height:0;overflow-y:auto}.tabs{align-items:stretch;gap:2px;height:100%;display:flex}.tab{color:var(--ink-3);cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;padding:0 12px;font-size:13px;font-weight:560;display:inline-flex;position:relative}.tab:hover,.tab.is-active{color:var(--ink)}.tab.is-active:after{content:"";background:var(--accent);border-radius:2px 2px 0 0;height:2px;position:absolute;bottom:-1px;left:12px;right:12px}.tab-count{color:var(--ink-4);font-family:var(--font-mono);font-size:11px}.tab-dot{border-radius:50%;width:6px;height:6px}.tab-dot.is-pass{background:var(--pass)}.tab-dot.is-fail{background:var(--fail)}.tab-dot.is-warn{background:var(--warn)}.tab-dot.is-running{background:var(--accent);animation:1s ease-in-out infinite pulse}.solved-flag{color:var(--pass);align-items:center;gap:6px;margin-right:8px;font-size:12px;font-weight:620;display:inline-flex}.solved-flag:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.statement,.hints,.gate,.solution{max-width:780px;padding:30px 38px 72px}.statement-head{margin-bottom:24px}.eyebrow{color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;align-items:baseline;gap:10px;font-size:11.5px;font-weight:620;display:flex}.eyebrow-num{color:var(--accent-strong);font-family:var(--font-mono);letter-spacing:0;font-size:12.5px;font-weight:500}.statement-title{font-family:var(--font-serif);font-variation-settings:"opsz" 48;letter-spacing:-.022em;margin-top:12px;font-size:37px;font-weight:420;line-height:1.08}.statement-meta{color:var(--ink-3);align-items:center;gap:14px;margin-top:14px;font-size:13px;display:flex}.statement-estimate:before{content:"·";color:var(--ink-4);margin-right:14px}.blocks{border:1px solid var(--rule-soft);border-radius:var(--radius);background:var(--paper);margin:0 0 30px;padding:10px 16px 11px}.blocks-row{grid-template-columns:74px minmax(0,1fr);align-items:baseline;gap:12px;padding:5px 0;display:grid}.blocks-row+.blocks-row{border-top:1px dashed var(--rule)}.blocks-label{color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;font-size:10.5px;font-weight:650}.blocks-list{flex-direction:column;gap:4px;display:flex}.blocks-entry{flex-wrap:wrap;align-items:baseline;gap:2px 12px;display:flex}.blocks-path{color:var(--ink);font-size:12.5px;font-weight:500}.blocks-names{color:var(--ink-3);font-family:var(--font-mono);font-size:12px}.blocks-origin{margin-left:auto;font-size:12px}.blocks-origin.is-yours{color:var(--pass)}.blocks-origin.is-yours:before{content:"✓ "}.blocks-origin.is-reference{color:var(--warn)}.blocks-origin a{color:inherit}.blocks-note{border-top:1px solid var(--rule-soft);color:var(--ink-3);margin-top:6px;padding-top:8px;font-size:12px}.statement-foot{border-top:1px solid var(--rule-soft);align-items:baseline;gap:14px;margin-top:48px;padding-top:18px;display:flex}.statement-foot>span{color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;font-size:10.5px;font-weight:650}.statement-foot a{color:var(--ink);font-family:var(--font-serif);font-size:17.5px;text-decoration:none}.statement-foot a:hover{color:var(--accent-strong)}.pane-heading{font-family:var(--font-serif);font-variation-settings:"opsz" 36;letter-spacing:-.018em;font-size:30px;font-weight:420}.pane-intro{max-width:36em;color:var(--ink-2);font-family:var(--font-serif);margin-top:10px;font-size:16.5px;line-height:1.56}.hint-list{flex-direction:column;gap:10px;margin:28px 0 0;padding:0;list-style:none;display:flex}.hint{border:1px solid var(--rule-soft);border-radius:var(--radius);background:var(--paper);grid-template-columns:26px minmax(0,1fr);align-items:baseline;gap:12px;padding:15px 18px;display:grid}.hint.is-open{background:var(--editor-bg)}.hint-num{color:var(--accent);font-family:var(--font-serif);font-size:19px;font-style:italic;line-height:1}.hint-text{font-family:var(--font-serif);font-size:16.5px;line-height:1.6}.hint-reveal{color:var(--accent-strong);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;justify-self:start;padding:0;font-size:14px;font-weight:560;text-decoration:underline}.hint-locked{color:var(--ink-4);font-size:13px}.gate .btn{margin-top:24px}.solution .statement-body{margin-top:22px}.listing{margin:32px 0 0}.listing-bar{color:var(--ink-3);font-family:var(--font-mono);justify-content:space-between;align-items:center;padding:0 0 8px 2px;font-size:12px;display:flex}.file-tab{border:1px solid var(--rule-soft);background:var(--editor-bg);height:30px;color:var(--ink);font-family:var(--font-mono);border-radius:7px;align-items:center;gap:8px;margin-left:4px;padding:0 12px 0 7px;font-size:12.5px;display:inline-flex}.file-glyph{background:var(--accent-wash);width:18px;height:18px;color:var(--accent-strong);border-radius:4px;place-items:center;font-size:9.5px;font-weight:700;display:inline-grid}.editor-actions{align-items:center;gap:6px;display:flex}@media (width<=900px){.pp{height:auto;display:block}.pp-bar{z-index:5;gap:12px;position:sticky;top:0}.crumbs{display:none}.split,.split-pane>.split{flex-direction:column;gap:6px;height:auto;display:flex}.split-handle{display:none}.pane-scroll{overflow:visible}.pane-editor{height:62vh}.pane-console{min-height:44vh}.statement,.hints,.gate,.solution{padding:24px 20px 48px}}@media (width<=520px){.runtime-badge span:not(.runtime-dot){display:none}.runtime-badge{padding:0 9px}.pp-steps{margin-left:auto}}.console{flex-direction:column;flex:1;min-height:0;display:flex}.console-summary{color:var(--ink-3);font-family:var(--font-mono);white-space:nowrap;padding-right:8px;font-size:12px}.console-summary-sep:before{content:"·";color:var(--ink-4);margin:0 8px}.console-body{flex:1;min-height:0;padding:16px 20px 28px;overflow:auto}.console-empty{color:var(--ink-3);align-items:center;gap:12px;padding:6px 0;font-size:13.5px;line-height:1.5;display:flex}.console-empty.is-idle{flex-direction:column;align-items:flex-start;gap:10px}.console-keys{font-size:12.5px}.console-foot{color:var(--ink-3);margin-top:20px;font-size:12.5px}.pills{flex-wrap:wrap;gap:6px;display:flex}.pill{border:1px solid var(--rule-soft);background:var(--paper);height:28px;color:var(--ink-2);cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:0 13px;font-size:12.5px;font-weight:560;display:inline-flex}.pill:hover{border-color:var(--rule);color:var(--ink)}.pill.is-selected{border-color:var(--ink);background:var(--ink);color:var(--paper-raised)}.case-detail{flex-direction:column;gap:14px;margin-top:16px;display:flex}.case-detail.is-nested{margin:0;padding:2px 4px 18px 34px}.case-title{font-family:var(--font-serif);font-size:17px}.signature{color:var(--ink-3);font-family:var(--font-mono);margin-top:-8px;font-size:12.5px}.case-detail.is-nested .signature{margin-top:0}.case-description{color:var(--ink-2);font-family:var(--font-serif);font-size:15.5px}.vgroup{flex-direction:column;gap:6px;display:flex}.vgroup-label{color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;font-size:10.5px;font-weight:650}.vrow{flex-direction:column;gap:4px;display:flex}.vrow+.vrow{margin-top:4px}.vrow-head{align-items:baseline;gap:10px;display:flex}.vrow-name{color:var(--ink);font-size:12.5px;font-weight:600}.vrow-meta{color:var(--ink-4);font-family:var(--font-mono);font-size:11px}.vrow-value{border:1px solid var(--rule-soft);background:var(--paper);max-height:260px;color:var(--ink);white-space:pre;border-radius:6px;margin:0;padding:9px 12px;font-size:12.5px;line-height:1.55;overflow:auto}.vgroup.is-fail .vrow-value{border-color:color-mix(in srgb, var(--fail) 22%, transparent);background:var(--fail-wash)}.vrow-value.is-stdout{color:var(--ink-2)}.verdict>*+*{margin-top:16px}.verdict-head{flex-wrap:wrap;align-items:baseline;gap:4px 14px;display:flex}.verdict-title{font-family:var(--font-serif);font-variation-settings:"opsz" 32;letter-spacing:-.016em;font-size:27px;font-weight:450;line-height:1.1}.verdict-head.is-pass .verdict-title{color:var(--pass)}.verdict-head.is-fail .verdict-title{color:var(--fail)}.verdict-head.is-warn .verdict-title{color:var(--warn)}.verdict-sub{color:var(--ink-3);font-size:13px}.verdict-note{max-width:44em;color:var(--ink-2);font-size:13.5px}.installed{border:1px solid color-mix(in srgb, var(--pass) 26%, transparent);border-radius:var(--radius);background:var(--pass-wash);color:var(--ink);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;padding:13px 14px 13px 16px;font-size:14px;display:flex}.installed-actions{flex-wrap:wrap;gap:8px;display:flex}.installed code{background:var(--code-on-wash);border-radius:4px;padding:1px 6px;font-size:12.5px}.results{border-top:1px solid var(--rule-soft);margin:0;padding:0;list-style:none}.result{border-bottom:1px solid var(--rule-soft)}.result-row{width:100%;min-height:40px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:22px minmax(0,1fr) auto auto 12px;align-items:center;gap:10px;padding:0 6px 0 4px;font-size:13.5px;display:grid}.result-row:hover{background:var(--paper)}.result-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.result-tag{color:var(--ink-4);letter-spacing:.12em;text-transform:uppercase;font-size:10px;font-weight:650}.result-time{min-width:58px;color:var(--ink-3);font-family:var(--font-mono);text-align:right;font-size:11.5px}.result-chevron{border-right:1.5px solid var(--ink-4);border-bottom:1.5px solid var(--ink-4);width:6px;height:6px;transition:transform .15s var(--ease);justify-self:center;transform:rotate(-45deg)}.result.is-open .result-chevron{transform:rotate(45deg)}.result-icon{border-radius:50%;place-items:center;width:20px;height:20px;display:inline-grid}.result-icon.is-pass{background:var(--pass-wash);color:var(--pass)}.result-icon.is-fail,.result-icon.is-error{background:var(--fail-wash);color:var(--fail)}.case-message{border-left:2px solid var(--fail);background:var(--fail-wash);color:var(--ink);border-radius:0 6px 6px 0;padding:10px 13px;font-size:13.5px;line-height:1.5}.case-message code{background:var(--code-on-wash);border-radius:4px;padding:1px 5px;font-size:12px}.trace{border:1px solid var(--rule-soft);background:var(--paper);color:var(--ink-2);white-space:pre;border-radius:6px;margin:0;padding:12px 14px;font-size:12px;line-height:1.6;overflow-x:auto}.error-block{flex-direction:column;gap:10px;display:flex}.mock-page{background:var(--paper-sunk);min-height:100dvh;display:flow-root}.pp-bar-end{align-items:center;gap:8px;margin-left:auto;display:flex}.crumbs-mock{color:var(--ink)}.mock-sheet{border-radius:var(--radius-lg);background:var(--paper-raised);width:min(780px,100% - 32px);box-shadow:var(--shadow-card);margin:40px auto 72px;padding:52px 60px 56px}.mock-title{font-family:var(--font-serif);font-variation-settings:"opsz" 60;letter-spacing:-.026em;margin-top:22px;font-size:50px;font-weight:390;line-height:1.02}.mock-lede{max-width:34em;color:var(--ink-2);font-family:var(--font-serif);font-variation-settings:"opsz" 18;margin-top:18px;font-size:19px;line-height:1.55}.mock-plan{border-top:1px solid var(--ink);margin:34px 0 0;padding:0;list-style:none}.mock-plan li{border-bottom:1px solid var(--rule-soft);grid-template-columns:64px minmax(0,1fr) auto;align-items:baseline;gap:16px;padding:12px 0;display:grid}.mock-plan-num,.mock-result-num{color:var(--ink-3);font-family:var(--font-mono);font-size:12px}.mock-plan-title{font-family:var(--font-serif);font-size:18px}.mock-plan-time{color:var(--ink-3);font-family:var(--font-mono);font-size:12.5px}.mock-plan-total{color:var(--ink-3);text-align:right;margin-top:10px;font-size:12.5px}.mock-section{color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:14px;margin-top:42px;font-size:11px;font-weight:650;line-height:1;display:flex}.mock-section:after{content:"";background:var(--rule-soft);flex:1;height:1px}.mock-rules{counter-reset:rule;margin:20px 0 0;padding:0;list-style:none}.mock-rules li{color:var(--ink-2);font-family:var(--font-serif);counter-increment:rule;padding-left:30px;font-size:16.5px;line-height:1.58;position:relative}.mock-rules li+li{margin-top:12px}.mock-rules li:before{content:counter(rule);color:var(--accent);font-size:18px;font-style:italic;position:absolute;top:0;left:2px}.mock-rules strong{color:var(--ink);font-weight:600}.mock-rules code,.mock-reminders code,.verdict-note code,.console-empty code{border:1px solid var(--rule-soft);background:var(--paper-well);color:var(--ink);font-variant-ligatures:none;white-space:nowrap;border-radius:4px;padding:.1em .36em;font-size:.8em}.mock-caution{border-left:2px solid var(--warn);border-radius:0 var(--radius) var(--radius) 0;background:var(--warn-wash);color:var(--ink-2);margin-top:30px;padding:12px 16px;font-size:14px}.mock-start{flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:34px;display:flex}.mock-start-note{color:var(--ink-3);font-size:13px}.mock-due{color:var(--ink-2);margin-top:18px;font-size:14px}.mock-due.is-due{color:var(--accent-strong);font-weight:600}.mock-attempts{margin:12px 0 0;padding:0;list-style:none}.mock-attempt{border-bottom:1px solid var(--rule-soft);grid-template-columns:120px minmax(0,1fr) auto auto;align-items:center;gap:16px;padding:10px 0;font-size:13.5px;display:grid}.mock-attempt-date{color:var(--ink-2)}.mock-attempt-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12.5px}.mock-attempt-time span{color:var(--ink-4)}.mock-attempt-parts{color:var(--ink-3)}.mock-outcome{letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;border-radius:999px;justify-self:end;align-items:center;height:22px;padding:0 9px;font-size:10.5px;font-weight:650;display:inline-flex}.mock-outcome.is-clean{background:var(--pass-wash);color:var(--pass)}.mock-outcome.is-overtime{background:var(--warn-wash);color:var(--warn)}.mock-outcome.is-incomplete{background:var(--fill);color:var(--ink-3)}.mock-total{flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:28px;display:flex}.mock-total-figure{align-items:baseline;gap:12px;display:flex}.mock-total-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.03em;font-size:46px;font-weight:430;line-height:1}.mock-total-of{color:var(--ink-3);font-family:var(--font-mono);font-size:15px}.mock-results{border-top:1px solid var(--ink);margin:32px 0 0;padding:0;list-style:none}.mock-result{border-bottom:1px solid var(--rule-soft);grid-template-columns:64px minmax(0,1fr) auto 96px;align-items:baseline;gap:4px 16px;padding:13px 0;display:grid}.mock-result-title{color:var(--ink);font-family:var(--font-serif);font-size:18px;text-decoration:none}.mock-result-title:hover{color:var(--accent-strong)}.mock-result-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px}.mock-result.is-passed .mock-result-time{color:var(--pass)}.mock-result-state{color:var(--ink-3);text-align:right;font-size:12.5px}.mock-result.is-stopped .mock-result-state{color:var(--fail)}.mock-result.is-unreached .mock-result-title,.mock-result.is-unreached .mock-result-time{color:var(--ink-4)}.mock-result-caught{color:var(--ink-3);grid-column:2/-1;font-size:13px}.mock-result-caught q{color:var(--ink-2)}.mock-steps{align-items:center;gap:6px;margin:0 0 0 auto;padding:0;list-style:none;display:flex}.mock-step{border:1px dashed var(--rule);height:28px;color:var(--ink-4);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:0 11px;font-size:12px;font-weight:580;display:inline-flex}.mock-step.is-active{border:1px solid var(--ink);background:var(--paper-raised);color:var(--ink)}.mock-step.is-done{border:1px solid color-mix(in srgb, var(--pass) 26%, transparent);background:var(--pass-wash);color:var(--pass)}.mock-step-time{font-family:var(--font-mono);font-size:11.5px;font-weight:450}.clock{border:1px solid var(--rule-soft);background:var(--paper-raised);border-radius:7px;align-items:center;height:30px;padding:0 12px;display:inline-flex;position:relative;overflow:hidden}.clock-text{align-items:baseline;gap:7px;display:inline-flex}.clock-time{min-width:4.4ch;font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;font-size:14.5px;font-weight:500}.clock-label{color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase;font-size:10.5px;font-weight:650}.clock-bar{background:var(--rule-soft);height:2px;position:absolute;bottom:0;left:0;right:0}.clock-bar>span{background:var(--ink-3);height:100%;transition:width .25s linear;display:block}.clock.is-low{border-color:color-mix(in srgb, var(--warn) 32%, transparent);background:var(--warn-wash)}.clock.is-low .clock-time,.clock.is-low .clock-label{color:var(--warn)}.clock.is-low .clock-bar>span{background:var(--warn)}.clock.is-over{border-color:color-mix(in srgb, var(--fail) 32%, transparent);background:var(--fail-wash)}.clock.is-over .clock-time,.clock.is-over .clock-label{color:var(--fail)}.clock.is-over .clock-bar>span{background:var(--fail)}.mock-brief-text{font-size:19px;line-height:1.6}.mock-brief .blocks{margin:28px 0 0}.mock-reminders{border-left:2px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-faint);color:var(--ink-2);margin:22px 0 0;padding:13px 18px 13px 34px;font-size:13.5px;line-height:1.55}.mock-reminders li+li{margin-top:5px}.mock-reminders strong{color:var(--ink);font-weight:620}.mock-earlier{margin-top:38px}.mock-earlier-label{border-bottom:1px solid var(--rule-soft);color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;padding-bottom:10px;font-size:10.5px;font-weight:650}.mock-earlier-part{border-bottom:1px solid var(--rule-soft)}.mock-earlier-part summary{cursor:pointer;grid-template-columns:56px minmax(0,1fr) auto 12px;align-items:center;gap:12px;min-height:44px;list-style:none;display:grid}.mock-earlier-part summary::-webkit-details-marker{display:none}.mock-earlier-part summary:after{content:"";border-right:1.5px solid var(--ink-4);border-bottom:1.5px solid var(--ink-4);width:6px;height:6px;transition:transform .15s var(--ease);justify-self:center;transform:rotate(-45deg)}.mock-earlier-part[open] summary:after{transform:rotate(45deg)}.mock-earlier-part summary:hover .mock-earlier-title{color:var(--accent-strong)}.mock-earlier-num{color:var(--ink-3);font-family:var(--font-mono);font-size:12px}.mock-earlier-title{font-family:var(--font-serif);font-size:16.5px}.mock-earlier-time{color:var(--pass);font-family:var(--font-mono);font-size:12px}.mock-earlier-part .code-block{margin-bottom:14px;font-size:12.5px}.verdict-head.is-neutral .verdict-title{color:var(--ink)}.mock-culprit{flex-direction:column;gap:10px;display:flex}.mock-culprit-label{color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;flex-wrap:wrap;align-items:baseline;gap:4px 10px;font-size:10.5px;font-weight:650;display:flex}.mock-culprit-name{color:var(--ink);font-family:var(--font-serif);letter-spacing:0;text-transform:none;font-size:16.5px;font-weight:450}@media (width<=1100px){.mock .crumbs{display:none}}@media (width<=900px){.mock .pp-bar{gap:10px}.mock-step-time{display:none}}@media (width<=640px){.mock-sheet{margin:16px auto 40px;padding:32px 22px 36px}.mock-title{font-size:38px}.mock-lede{font-size:17.5px}.mock-page .crumbs,.mock .wordmark span,.mock-step-word,.mock .theme-toggle{display:none}.mock-step{padding:0 9px}.mock-attempt{grid-template-columns:minmax(0,1fr) auto;gap:2px 12px}.mock-attempt-parts{display:none}.mock-result{grid-template-columns:minmax(0,1fr) auto}.mock-result-num{grid-column:1/-1}.mock-result-state{text-align:left;grid-column:1/-1}.mock-result-caught{grid-column:1/-1}.mock-start .btn-lg{width:100%}}.drill-page{background:var(--paper-sunk);min-height:100dvh;display:flow-root}.drill-sheet{border-radius:var(--radius-lg);background:var(--paper-raised);width:min(760px,100% - 32px);box-shadow:var(--shadow-card);margin:40px auto 72px;padding:40px 56px 44px}.drill-progress{background:var(--rule-soft);border-radius:2px;height:3px;margin-bottom:30px;overflow:hidden}.drill-progress>span{background:var(--accent);height:100%;transition:width .35s var(--ease);display:block}.drill-meta{justify-content:space-between;align-items:center;gap:16px;display:flex}.drill-count{color:var(--ink-3);font-family:var(--font-mono);white-space:nowrap;font-size:12px}.drill-prompt{font-family:var(--font-serif);font-variation-settings:"opsz" 30;letter-spacing:-.012em;margin-top:16px;font-size:27px;font-weight:420;line-height:1.32;display:block}.drill-operands{color:var(--ink-3);font-family:var(--font-mono);flex-wrap:wrap;gap:6px 22px;margin-top:22px;font-size:13.5px;display:flex}.drill-operand b{color:var(--ink);font-weight:600}.drill-result{color:var(--ink-2)}.stage{border:1px solid var(--rule-soft);border-radius:var(--radius);background:var(--viz-stage);margin:22px 0 0;overflow:hidden}.stage-canvas{cursor:grab;width:100%;height:300px;display:block}.stage-canvas.is-dragging{cursor:grabbing}.stage-bar{border-top:1px solid var(--rule-soft);min-height:42px;color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 12px;padding:6px 8px 6px 14px;font-size:13px;display:flex}.stage-tools{align-items:center;gap:8px;margin-left:auto;display:flex}.stage-toggle{background:var(--fill);border-radius:999px;padding:2px;display:inline-flex}.stage-toggle button,.stage-replay{color:var(--ink-2);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:4px 11px;font-weight:560}.stage-toggle button[aria-pressed=true]{background:var(--paper-raised);box-shadow:0 0 0 1px var(--rule);color:var(--ink)}.stage-replay{box-shadow:inset 0 0 0 1px var(--rule)}.stage-replay:hover,.stage-toggle button:hover{color:var(--ink)}.drill-call,.drill-feedback code,.drill-missed code{font-variant-ligatures:none}.drill-call{border:1px solid var(--rule);border-radius:var(--radius);background:var(--editor-bg);font-family:var(--font-mono);flex-wrap:wrap;align-items:baseline;margin-top:26px;padding:18px 20px;font-size:18px;line-height:1.6;display:flex}.drill-call:focus-within{border-color:var(--ink-3)}.drill-call-fn{color:var(--ink-3);white-space:pre}.drill-call input{border:0;border-bottom:1.5px solid var(--accent);max-width:100%;color:var(--syn-string);font:inherit;background:0 0;border-radius:0;outline:none;padding:0}.drill-call input::placeholder{color:var(--ink-4)}.drill-call-text{color:var(--syn-string);overflow-wrap:anywhere}.drill-feedback{border-radius:var(--radius);color:var(--ink-2);margin-top:18px;padding:14px 18px;font-size:15px;line-height:1.55}.drill-feedback.is-wrong{background:var(--fail-wash)}.drill-feedback.is-right{background:var(--pass-wash)}.drill-feedback.is-revealed{background:var(--fill)}.drill-feedback-title{color:var(--ink);margin-bottom:2px;font-weight:640}.drill-feedback.is-wrong .drill-feedback-title{color:var(--fail)}.drill-feedback.is-right .drill-feedback-title{color:var(--pass)}.drill-feedback-alt{color:var(--ink-3);font-weight:450}.drill-feedback code{border-radius:var(--radius-sm);background:var(--code-on-wash);color:var(--ink);padding:1px 6px;font-size:.92em;font-weight:500}.drill-note{margin-top:4px;display:block}.drill-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;display:flex}.drill-keys{color:var(--ink-4);font-family:var(--font-mono);margin-left:auto;font-size:11.5px}.drill-title{font-family:var(--font-serif);font-variation-settings:"opsz" 60;letter-spacing:-.024em;margin-top:20px;font-size:44px;font-weight:390;line-height:1.05}.drill-lede{max-width:36em;color:var(--ink-2);font-family:var(--font-serif);margin-top:16px;font-size:18px;line-height:1.55}.drill-missed{border-top:1px solid var(--rule);margin:28px 0 0;padding:0;list-style:none}.drill-missed li{border-bottom:1px solid var(--rule-soft);grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:16px;padding:12px 0;display:grid}.drill-missed-prompt{color:var(--ink-2);font-family:var(--font-serif);font-size:16px}.drill-missed code{color:var(--syn-string);white-space:nowrap;font-size:14px}.decks{gap:14px;padding-top:32px;display:grid}.deck{border:1px solid var(--rule);border-radius:var(--radius-lg);background:var(--paper-raised);color:inherit;transition:border-color .15s var(--ease), box-shadow .15s var(--ease);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 28px;padding:22px 26px;text-decoration:none;display:grid}.deck:hover{border-color:var(--ink-3);box-shadow:var(--shadow-lift)}.deck-title{font-family:var(--font-mono);font-size:20px;font-weight:560}.deck-summary{max-width:44em;color:var(--ink-3);font-family:var(--font-serif);grid-column:1;font-size:16px;line-height:1.5}.deck-meta{color:var(--ink-3);font-family:var(--font-mono);grid-column:1;margin-top:6px;font-size:12px}.deck-status{border:1px solid var(--rule);color:var(--ink-2);white-space:nowrap;border-radius:999px;grid-area:1/2/span 3;padding:6px 12px;font-size:12.5px;font-weight:600}.deck-status.is-due{background:var(--accent);color:var(--on-accent);border-color:#0000}@media (width<=640px){.drill-sheet{margin:16px auto 40px;padding:28px 20px 30px}.drill-prompt{font-size:22px}.drill-call{padding:14px;font-size:15px}.drill-keys{display:none}.stage-canvas{height:230px}.drill-title{font-size:34px}.drill-missed li{grid-template-columns:minmax(0,1fr);gap:4px}.deck{grid-template-columns:minmax(0,1fr);padding:20px}.deck-status{grid-area:auto/1;justify-self:start;margin-top:10px}}