:root{--bg:#0f1115;--panel:#171a21;--card:#1f242d;--line:#2a2f3a;--text:#e6e8ec;--muted:#8b93a1;--accent:#5b8def;--overdue:#e5534b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.45 system-ui,-apple-system,sans-serif}.app{max-width:1100px;margin:0 auto;padding:1.25rem}header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}h1{margin:0;font-size:1.3rem}input,button{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:6px;padding:.45rem .6rem}button{cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}.key-form,.add-form{flex-wrap:wrap;gap:.5rem;display:flex}.add-form{margin:1rem 0}.add-form input{flex:1;min-width:200px}.hint{color:var(--muted)}.error{color:var(--overdue)}.board{grid-template-columns:repeat(4,1fr);gap:.75rem;display:grid}@media (width<=720px){.board{grid-template-columns:1fr}}.column{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-height:120px;padding:.6rem}.column h2{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 .5rem;font-size:.85rem}.column .count{color:var(--text)}.column ul{flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:.55rem}.card-title{margin-bottom:.35rem}.card-meta{color:var(--muted);align-items:center;gap:.5rem;font-size:.8rem;display:flex}.pri{font-weight:600}.pri-1{color:var(--overdue)}.due.overdue{color:var(--overdue);font-weight:600}.advance{width:100%;margin-top:.5rem;padding:.25rem .45rem;font-size:.8rem}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}