:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--color-bg:#121212;--color-text:#ffffffeb;--color-link:#7aa2ff;--color-success:#2ea043;--color-error:#ff4545;color:var(--color-text);background-color:var(--color-bg);scrollbar-gutter:stable;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (prefers-color-scheme:light){:root{--color-bg:#fafafa;--color-text:#1b1b1b}}:root[data-theme=night]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--color-bg:#10131a;--color-text:#eef2ff;--color-link:#c4b5fd;--color-success:#34d399;--color-error:#f87171}:root[data-theme=day]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg:#fafafa;--color-text:#1b1b1b;--color-link:#7aa2ff;--color-success:#2ea043;--color-error:#ff4545}body{background:var(--color-bg);min-width:320px;min-height:100vh;margin:0}:root[data-theme=night] body{background:radial-gradient(circle at 20% 0,#7c3aed47,#0000 34rem),radial-gradient(circle at 82% 18%,#3b82f62e,#0000 30rem),#10131a}h1{margin:0 0 8px;font-size:1.7rem;line-height:1.2}h2{margin:0 0 8px;font-size:1.05rem}button,input{font:inherit}button{border:1px solid color-mix(in oklab, currentColor 20%, transparent);background:color-mix(in oklab, currentColor 6%, transparent);color:inherit;cursor:pointer;border-radius:10px;padding:.55em .9em}button:disabled{cursor:not-allowed;opacity:.6}pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}main{max-width:1100px;margin:0 auto;padding:16px}.nightModePage{max-width:1120px;color:var(--color-text);padding:32px 16px 64px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:38px;margin-bottom:16px;display:flex}.topbarActions{flex-wrap:wrap;justify-content:flex-end;align-items:flex-start;gap:10px;display:flex}.brand{font-weight:700}.themeToggle{white-space:nowrap}.hero,.card{border:1px solid color-mix(in oklab, currentColor 20%, transparent);background:color-mix(in oklab, currentColor 3%, transparent);border-radius:12px;margin-bottom:16px;padding:16px}.hero{background:color-mix(in oklab, currentColor 5%, transparent)}.nightModePage .hero{background:linear-gradient(135deg,#312e81,#171b25 55%);border-color:#30384a;border-radius:18px;padding:22px;box-shadow:0 18px 60px #0000003d}.nightModePage .card{background:#171b25;border-color:#30384a;border-radius:18px;padding:22px}.nightModePage button:not(:disabled){color:#fff;background:#7c3aed;border-color:#7c3aed}.nightModePage .secondaryButton:not(:disabled),.nightModePage .authSecondaryButton:not(:disabled),.nightModePage .linkButton:not(:disabled){color:#eef2ff;background:#222838;border-color:#30384a}.nightModePage textarea,.nightModePage pre,.nightModePage .sigCode,.nightModePage .authField input{color:#eef2ff;background:#0a0d14;border-color:#30384a}.nightModePage .authStatus{color:#eef2ff;background:#222838;border-color:#30384a}.grid{grid-template-columns:1.5fr 1fr;gap:16px;display:grid}.sig{grid-template-columns:90px 1fr;align-items:start;gap:10px;margin-top:12px;display:grid}.sigLabel{opacity:.9;font-weight:600}.sigCode{background:color-mix(in oklab, currentColor 8%, transparent);border-radius:10px;margin:0;padding:10px;overflow:auto}.cardSubheading{margin-top:18px}.eyebrow{color:var(--color-link);text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:.78rem;font-weight:800}.toolbar,.auth,.authRow,.editorActions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.toolbar{color:color-mix(in oklab, currentColor 72%, transparent);margin:16px 0;font-weight:700}.toolbar button.active{border-color:color-mix(in oklab, var(--color-link) 60%, transparent);background:color-mix(in oklab, var(--color-link) 16%, transparent);color:var(--color-link)}.nightModePage .toolbar{color:#aab3c5;margin:18px 0}.nightModePage .toolbar button{background:#222838;border-color:#30384a}.nightModePage .toolbar button.active{color:#fff;background:#7c3aed;border-color:#7c3aed}.auth{justify-content:flex-end;max-width:min(100%,780px)}.authAlternateRow,.authStatusLine{text-align:right;flex-basis:100%;justify-content:flex-end}.authField{align-items:center;gap:8px;font-weight:700;display:flex}.authField input{border:1px solid color-mix(in oklab, currentColor 20%, transparent);background:color-mix(in oklab, currentColor 6%, transparent);color:inherit;border-radius:10px;padding:.45em .7em}.authField .authCodeInput{width:140px}.authEmail{opacity:.9;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.9rem}.authSecondaryButton{opacity:.78}.authSecondaryButton:hover:not(:disabled),.authSecondaryButton:focus-visible:not(:disabled),.nightModePage .authSecondaryButton{opacity:1}.authStatus{border:1px solid color-mix(in oklab, currentColor 20%, transparent);background:color-mix(in oklab, currentColor 7%, transparent);border-radius:10px;min-width:min(320px,100%);max-width:720px;padding:6px 9px;font-size:.9rem;font-weight:600;display:inline-block}.authStatus--info{color:color-mix(in oklab, #3b82f6 70%, currentColor);background:oklab(62.3083% -.0332476 -.185052/.12);border-color:oklab(62.3083% -.0332476 -.185052/.45)}.authStatus--warning,.creditNotice{color:color-mix(in oklab, #f59e0b 70%, currentColor)}.authStatus--warning{background:oklab(76.8591% .0560995 .154808/.14);border-color:oklab(76.8591% .0560995 .154808/.55)}.authStatus--error{color:color-mix(in oklab, #ef4444 72%, currentColor);background:oklab(63.6834% .187864 .0889286/.13);border-color:oklab(63.6834% .187864 .0889286/.58)}textarea{box-sizing:border-box;resize:vertical;border:1px solid color-mix(in oklab, currentColor 20%, transparent);background:color-mix(in oklab, currentColor 4%, transparent);width:100%;min-height:360px;color:inherit;tab-size:4;border-radius:10px;margin-bottom:12px;padding:12px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.secondaryButton{background:color-mix(in oklab, var(--color-link) 8%, transparent)}.secondaryButton:hover:not(:disabled),.secondaryButton:focus-visible:not(:disabled){background:color-mix(in oklab, var(--color-link) 14%, transparent)}.storageNote{margin-top:8px}pre{background:color-mix(in oklab, currentColor 6%, transparent);border:1px solid color-mix(in oklab, currentColor 18%, transparent);border-radius:10px;padding:12px;overflow:auto}.catalog{gap:12px;margin:12px 0 0;padding:0;list-style:none;display:grid}.catalog button{text-align:left;justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.nightModePage .catalog button{color:#eef2ff;background:#222838;border-color:#30384a}.nightModePage .catalog button:hover,.nightModePage .catalog button:focus-visible{background:#2d3447;border-color:#7c3aed}.catalog small{color:color-mix(in oklab, currentColor 72%, transparent);margin-top:4px;font-weight:500;display:block}.nightModePage .catalog small{color:#aab3c5}.catalogDescription{color:color-mix(in oklab, currentColor 82%, transparent);margin-top:6px;font-weight:500;line-height:1.4;display:block}.nightModePage .catalogDescription{color:#d8deea}.badge,.solveBadge,.solvedBadge,.ownerBadge,.studentProblemBadge,.acceptedYotecodeBadge,.promotionConsentBadge,.languageBadge{border:1px solid color-mix(in oklab, currentColor 20%, transparent);white-space:nowrap;background:color-mix(in oklab, currentColor 5%, transparent);border-radius:999px;align-items:center;padding:2px 8px;font-size:.78rem;font-weight:700;line-height:1.5;display:inline-flex}.solveBadge{border-color:color-mix(in oklab, var(--color-link) 45%, transparent);background:color-mix(in oklab, var(--color-link) 10%, transparent);color:var(--color-link)}.solvedBadge{border-color:color-mix(in oklab, var(--color-success) 55%, transparent);background:color-mix(in oklab, var(--color-success) 12%, transparent);color:var(--color-success)}.ownerBadge{color:#b45309;background:oklab(76.8591% .0560995 .154808/.14);border-color:oklab(76.8591% .0560995 .154808/.55)}.nightModePage .ownerBadge{color:#fbbf24}.studentProblemBadge{color:#be185d;background:oklab(65.592% .210729 -.0210022/.12);border-color:oklab(65.592% .210729 -.0210022/.5)}.nightModePage .studentProblemBadge{color:#f9a8d4}.authorByline{color:color-mix(in oklab, currentColor 70%, transparent);margin-top:-.25rem;font-size:.95rem}.authorBylineLabel{color:color-mix(in oklab, currentColor 85%, transparent);font-weight:600}.authorAnonymous{color:color-mix(in oklab, currentColor 60%, transparent);font-style:italic}.authorLink{color:#2563eb;font-weight:600;text-decoration:none}.authorLink:hover{text-decoration:underline}.nightModePage .authorLink{color:#60a5fa}.authorConsentToggle{color:color-mix(in oklab, currentColor 75%, transparent);cursor:pointer;align-items:center;gap:.5rem;margin:.25rem 0 .5rem;font-size:.9rem;display:flex}.authorConsentToggle input{cursor:pointer}.authorConsentToggle input:disabled{cursor:default}.authorName{font-weight:600}.authorDisplayPref{color:color-mix(in oklab, currentColor 75%, transparent);border:0;flex-wrap:wrap;align-items:center;gap:.25rem .9rem;margin:0;padding:0;font-size:.85rem;display:flex}.authorDisplayPref legend{color:color-mix(in oklab, currentColor 85%, transparent);padding:0;font-weight:600}.authorDisplayPref label{cursor:pointer;align-items:center;gap:.35rem;display:inline-flex}.authorDisplayPref:disabled,.authorDisplayPref:disabled label{cursor:default;opacity:.7}.authorDisplayPrefHint{color:color-mix(in oklab, currentColor 60%, transparent);flex-basis:100%;margin:0;font-size:.8rem;font-style:italic}.acceptedYotecodeBadge{color:#6d28d9;background:oklab(60.5631% .0845415 -.201932/.14);border-color:oklab(60.5631% .0845415 -.201932/.55)}.nightModePage .acceptedYotecodeBadge{color:#c4b5fd}.promotionConsentBadge{color:#0f766e;background:oklab(70.3753% -.122901 -.00537139/.12);border-color:oklab(70.3753% -.122901 -.00537139/.5)}.nightModePage .promotionConsentBadge{color:#5eead4}.languageBadge{border-color:color-mix(in oklab, currentColor 30%, transparent);background:color-mix(in oklab, currentColor 8%, transparent)}.problemHeader{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.catalogBadges{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:inline-flex}.tags{flex-wrap:wrap;gap:6px;display:flex}.tags span{border:1px solid color-mix(in oklab, currentColor 18%, transparent);background:color-mix(in oklab, currentColor 4%, transparent);opacity:.82;border-radius:999px;padding:2px 8px;font-size:.78rem;font-weight:700;line-height:1.5}.linkButton{color:var(--color-link);background:0 0;margin-bottom:12px;padding-left:0}.celebration{border:1px solid color-mix(in oklab, var(--color-success) 55%, transparent);background:color-mix(in oklab, var(--color-success) 12%, transparent);border-radius:12px;margin-top:12px;padding:16px;animation:.22s ease-out celebration-pop}.celebrationTitle{color:var(--color-success);font-size:1.35rem;font-weight:800}.celebrationSub{opacity:.95;margin-top:4px;font-weight:600}@keyframes celebration-pop{0%{opacity:.6;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.celebration{animation:none}}.results{gap:10px;margin:0;padding:0;list-style:none;display:grid}.results li{--result-state-color:currentColor;background:color-mix(in oklab, currentColor 5%, transparent);border-radius:10px;padding:10px 10px 10px 16px;position:relative;overflow:hidden}.results li.pass{--result-state-color:var(--color-success)}.results li.fail{--result-state-color:var(--color-error)}.results li:before{content:"";background:var(--result-state-color);border-radius:10px 0 0 10px;width:6px;position:absolute;inset:0 auto 0 0}.testResultHeader{justify-content:space-between;align-items:center;gap:12px;display:flex}.testName{font-weight:700}.testStatus{letter-spacing:.06em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;font-weight:800}.results li.pass .testStatus{color:var(--color-success)}.results li.fail .testStatus{color:var(--color-error)}.tiny{opacity:.9;margin:8px 0 0;font-size:12px;overflow:auto}.fail,.error{border-color:color-mix(in oklab, var(--color-error) 50%, transparent)}.muted{color:color-mix(in oklab, currentColor 72%, transparent)}.creditNotice{font-weight:700}@media (width<=860px){.grid{grid-template-columns:1fr}.auth,.authAlternateRow,.authStatusLine{text-align:left;justify-content:flex-start}}
