:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.dashboard{color:#151515;background:#f5f5f2;min-height:100svh;padding:28px}.dashboard__header,.toolbar,.actions,.worksheet,.note{max-width:1180px;margin-inline:auto}.dashboard__header{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:18px;display:flex}.eyebrow{color:#696969;letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;font-size:13px;font-weight:700}.dashboard h1,.dashboard h2{color:#111;margin:0;font-weight:700}.dashboard h1{font-size:38px;line-height:1.08}.timer{text-align:right;background:#fff;border:1px solid #161616;min-width:148px;padding:12px 16px}.timer span{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:34px;font-weight:800;line-height:1;display:block}.timer small{color:#666;text-transform:uppercase;margin-top:6px;font-size:12px;display:block}.toolbar,.actions{background:#fff;border:1px solid #d6d2c9;flex-wrap:wrap;align-items:center;gap:12px;padding:14px;display:flex}.toolbar{margin-bottom:10px}.actions{margin-bottom:18px}.toolbar label{color:#545454;text-align:left;text-transform:uppercase;gap:5px;font-size:12px;font-weight:700;display:grid}select,button{color:#121212;min-height:38px;font:inherit;background:#fff;border:1px solid #1b1b1b;border-radius:4px}select{padding:0 34px 0 10px}button{cursor:pointer;padding:0 15px;font-weight:750}button:hover:not(:disabled){color:#fff;background:#141414}button:disabled,select:disabled,input:disabled{cursor:not-allowed;opacity:.54}button:focus-visible,select:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #f0c84b}.segmented{border:1px solid #111;border-radius:5px;display:flex;overflow:hidden}.segmented button{border:0;border-radius:0}.segmented .is-selected{color:#fff;background:#111}.toggle{grid-template-columns:auto 1fr;align-items:center;gap:8px;min-height:38px;padding-inline:4px;display:flex}.toggle input{width:18px;height:18px}.live-stats{color:#555;flex:300px;justify-content:flex-end;gap:16px;font-size:14px;display:flex}.worksheet{background:linear-gradient(#fff 31px,#0000 32px) 0 0/100% 64px,#fff;border:1px solid #cfcac0;padding:28px 24px;overflow-x:auto;box-shadow:0 14px 40px #00000014}.k-row{border-bottom:1px solid #e5e1d8;min-width:820px;padding:16px 0 20px}.k-row:last-child{border-bottom:0}.digits,.answer-line{align-items:center;display:grid}.digits{grid-template-columns:repeat(var(--columns), minmax(32px, 1fr));color:#121212;text-align:center;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:30px;font-weight:800}.answer-line{grid-template-columns:repeat(var(--columns), minmax(32px, 1fr));gap:0;margin:5px 16px 0}.answer-input{color:#111;text-align:center;background:0 0;border:0;border-bottom:2px solid #252525;border-radius:0;width:100%;height:38px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:21px;font-weight:800}.answer-input.is-active{background:#fff7d6;box-shadow:inset 0 0 0 3px #111}.answer-input.is-correct{background:#e9f7ea;border-bottom-color:#19733d}.answer-input.is-wrong{background:#fdecec;border-bottom-color:#b42c2c}.answer-input.is-omitted{background:#eee}.note{color:#666;text-align:left;margin-top:14px;font-size:13px}.overlay{z-index:10;background:#1414148a;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.results{text-align:left;background:#fff;border:2px solid #111;width:min(620px,100%);max-height:calc(100svh - 44px);padding:28px;position:relative;overflow:auto}.results h2{margin-bottom:20px;font-size:34px}.close-button{width:36px;min-width:36px;padding:0;position:absolute;top:14px;right:14px}.score-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 24px;display:grid}.score-grid div{border:1px solid #ded9ce;padding:12px}.score-grid dt{color:#666;text-transform:uppercase;font-size:12px;font-weight:800}.score-grid dd{color:#111;margin:4px 0 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:28px;font-weight:900}.row-chart{gap:10px;margin-bottom:20px;display:grid}.chart-row{grid-template-columns:76px 1fr 36px;align-items:center;gap:10px;font-size:14px;display:grid}.chart-row div{background:#f6f2e8;border:1px solid #b9b3a7;height:12px}.chart-row i{background:#111;height:100%;display:block}.duration-copy{color:#666;margin:0 0 18px}@media (width<=760px){.dashboard{padding:16px}.dashboard__header{flex-direction:column;align-items:stretch}.timer{text-align:left}.live-stats{justify-content:flex-start}.score-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}