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ease}.source:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--ink)}.source-label{font-weight:700}.source-host{margin-left:auto;color:var(--muted);font-size:.875rem}.source-arrow{flex:none;color:var(--accent)}.hints{list-style:none;margin:0;padding:0;counter-reset:hint}.hints li{counter-increment:hint;display:grid;grid-template-columns:2rem 1fr;align-items:baseline;padding:14px 0}.hints li:before{content:counter(hint);font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:var(--faint)}.hints li+li{border-top:1px solid var(--line)}.hint-locked{color:var(--faint)}.locked p{margin:0 0 18px;max-width:52ch}.tally{display:grid;grid-template-columns:max-content max-content;gap:6px 24px;margin:0;padding:16px 20px;border-radius:14px;background:var(--sunk);width:fit-content}.tally dt{color:var(--muted)}.tally dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}.code-view .cm-editor{border-radius:12px;border:1px solid var(--line);overflow:hidden}.bench{display:flex;flex-direction:column;gap:10px;min-height:0;min-width:0}.editor-panel{flex:1 1 58%;min-height:0;display:flex;flex-direction:column;background:var(--editor-bg)}.bench-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px 8px 8px;border-bottom:1px solid var(--line);background:var(--sunk)}.file-tab{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:10px;background:var(--editor-bg);font-family:var(--font-mono);font-size:.875rem;font-weight:700}.file-dot{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,#3776ab 50%,#ffd43b 50%)}.bench-actions{display:flex;gap:8px;margin-left:auto}.editor-wrap{flex:1;min-height:200px;overflow:hidden}.editor{height:100%}.console{flex:1 1 42%;min-height:0;display:flex;flex-direction:column;background:var(--surface)}.tabs--console{padding:10px 14px;background:var(--sunk)}.console-body{flex:1;min-height:0;overflow-y:auto;padding:16px 18px 24px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}.chip{display:inline-flex;align-items:center;border-radius:9px;background:var(--sunk);border:1px solid transparent}.chip.is-active{border-color:var(--line-strong);background:var(--surface)}.chip.is-active .chip-main{font-weight:700}.chip-main,.chip-remove,.chip--add{font:inherit;font-size:.875rem;border:0;background:none;color:var(--ink);cursor:pointer;padding:6px 11px;display:inline-flex;align-items:center;gap:7px}.chip-remove{padding-left:0;color:var(--muted)}.chip--add{padding:6px 13px;font-weight:700;color:var(--muted)}.chip--add:hover{color:var(--ink)}.dot{width:8px;height:8px;border-radius:50%}.dot--pass{background:var(--accent)}.dot--fail{background:var(--bad)}.tab .dot{width:7px;height:7px}.case-input{width:100%;resize:vertical;font-size:.9375rem;line-height:1.5;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--editor-bg);color:var(--ink)}.case-input:focus{border-color:var(--accent);outline:none}.verdict{margin:0 0 14px;font-family:var(--font-display);font-size:1.5rem;font-weight:800;letter-spacing:-.025em;line-height:1.2}.verdict--good{color:var(--accent)}.verdict--bad{color:var(--bad)}.verdict-count{font-family:var(--font-sans);font-size:.9375rem;font-weight:400;color:var(--muted);margin-left:10px;letter-spacing:0}.accepted{display:flex;align-items:center;gap:14px}.accepted .verdict{margin:0}.accepted-mark{flex:none}.accepted-mark circle{fill:var(--accent-soft);stroke:var(--accent);stroke-width:2;transform-origin:center;animation:mark-pop .42s cubic-bezier(.2,.9,.3,1.3) both}.accepted-mark path{fill:none;stroke:var(--accent);stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:30;animation:mark-draw .36s .22s ease-out both}@keyframes mark-pop{0%{transform:scale(.4);opacity:0}}@keyframes mark-draw{0%{stroke-dashoffset:30}to{stroke-dashoffset:0}}.block pre{margin-bottom:12px}.nothing{color:var(--muted);font-family:var(--font-sans)}pre.error{margin:0 0 12px;padding:12px 14px;border-radius:10px;border-left:3px solid var(--bad);background:var(--sunk);color:var(--ink);font-size:.875rem;white-space:pre-wrap}.empty{margin:0;color:var(--muted)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media(max-width:1000px){.home{display:block;max-width:720px;padding:56px 24px 96px}.intro{position:static;margin-bottom:48px}}@media(max-width:900px){.workspace{display:flex;flex-direction:column;height:auto;min-height:100dvh}.brief-body{overflow:visible}.editor-panel,.console{flex:none}.editor-wrap{height:340px;flex:none}.console-body{overflow:visible}}@media(max-width:640px){.workspace{padding:6px;gap:6px}.brief-head,.brief-body{padding-left:16px;padding-right:16px}.tabs{padding:0 12px 12px}.home{padding:40px 16px 80px}.week summary{flex-wrap:wrap;padding:18px 16px;gap:10px 12px}.week-title{font-size:1.625rem}.week-progress{order:3;margin-left:0;width:100%}.week-chevron{margin-left:auto}.rows{padding:0 4px 4px}.row{grid-template-columns:3.75rem 1fr;grid-template-areas:"num main" "num level";gap:6px 14px;padding:16px 4px}.row .numeral{grid-area:num;font-size:2.375rem}.row-main{grid-area:main}.row .level{grid-area:level}.row-title{font-size:1.1875rem}.numeral-check{top:-10px;right:-20px;width:18px;height:18px}.brief-title{font-size:1.5rem}.brief-head .numeral{font-size:2.125rem}.io{grid-template-columns:1fr}}