:root{--bg:#f6f6f4;--fg:#1b1b1a;--muted:#6b6b66;--card:#fff;--line:#e4e4df;--accent:#1f6feb}@media (prefers-color-scheme:dark){:root{--bg:#121211;--fg:#ecece8;--muted:#9a9a93;--card:#1b1b1a;--line:#2c2c29;--accent:#5b9dff}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,sans-serif}.shell{max-width:1100px;margin:0 auto;padding:0 16px 32px}header{display:flex;justify-content:space-between;align-items:baseline;padding:20px 0}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.card h2{margin:0 0 4px;font-size:1rem}.muted{font-size:.9rem;margin:0}.empty,.muted{color:var(--muted)}.empty{margin:16px 0 0;font-style:italic}.center{min-height:100dvh;display:grid;place-items:center;padding:16px}.login{width:100%;max-width:320px;display:grid;grid-gap:12px;gap:12px}.login h1{margin:0;font-size:1.25rem}button,input{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--fg)}button{background:var(--accent);border-color:var(--accent);color:#fff;cursor:pointer}.err{color:#d33;margin:0}.todo{margin-bottom:16px}.todo h2{display:flex;align-items:center;gap:8px;margin-bottom:12px}.count{font-size:.8rem;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 8px}.add{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.add input[name=title]{flex:1 1 220px}.list{list-style:none;margin:0;padding:0}.list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}.list li form{display:contents}.title{flex:1 1;min-width:0;overflow-wrap:anywhere}.doneList .title{color:var(--muted);text-decoration:line-through}.tag{font-size:.75rem;border:1px solid var(--line);border-radius:999px;padding:0 8px;color:var(--muted);white-space:nowrap}.tag.high{color:#b45309;border-color:#b45309}.tag.late{color:#d33;border-color:#d33}.check{width:22px;height:22px;padding:0;border-radius:50%;background:transparent;border:2px solid var(--muted);flex:none}.check.on{background:var(--accent);border-color:var(--accent)}.x{background:transparent;border:0;color:var(--muted);padding:0 6px;font-size:1.25rem;line-height:1}details{margin-top:12px}summary{cursor:pointer;font-size:.9rem}.link,summary{color:var(--muted)}.link{background:none;border:0;text-decoration:underline;padding:8px 0 0;font-size:.85rem}select{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--fg)}