:root{--bg: #0f1115;--card: #171a21;--border: #272b34;--text: #e6e8ee;--muted: #8b91a1;--accent: #5b8def;--danger: #e5484d;color-scheme:dark}@media(prefers-color-scheme:light){:root{--bg: #f6f7f9;--card: #ffffff;--border: #e2e5ea;--text: #1a1d24;--muted: #6b7280;color-scheme:light}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{max-width:32rem;margin:0 auto;padding:3rem 1rem 4rem}h1{margin:0 0 1.5rem;font-size:1.75rem;letter-spacing:-.02em}.add{display:flex;gap:.5rem}input[type=text],.add input{flex:1;padding:.65rem .85rem;border:1px solid var(--border);border-radius:8px;background:var(--card);color:inherit;font:inherit}.add input:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button{border:1px solid transparent;border-radius:8px;font:inherit;cursor:pointer}.add button{padding:.65rem 1.1rem;background:var(--accent);color:#fff;font-weight:600}.add button:disabled{opacity:.45;cursor:not-allowed}.filters{display:flex;align-items:center;gap:.4rem;margin:1.25rem 0 .75rem}.chip{padding:.25rem .7rem;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:.85rem;text-transform:capitalize}.chip.active{color:var(--text);border-color:var(--accent)}.count{margin-left:auto;color:var(--muted);font-size:.85rem}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.list li{display:flex;align-items:center;gap:.6rem;padding:.7rem .85rem;background:var(--card);border:1px solid var(--border);border-radius:8px}.list .text{flex:1;min-width:0;overflow-wrap:anywhere;cursor:text}.list input[type=checkbox]{width:1.1rem;height:1.1rem;accent-color:var(--accent);flex-shrink:0;cursor:pointer}.list li.done .text{text-decoration:line-through;color:var(--muted)}.list .edit{flex:1;min-width:0;padding:.15rem .45rem;border:1px solid var(--accent);border-radius:6px;background:var(--bg);color:inherit;font:inherit}.list .edit:focus-visible{outline:none}.actions{display:flex;gap:.15rem;flex-shrink:0}.icon{background:transparent;color:var(--muted);font-size:1rem;line-height:1;padding:.3rem .45rem;border-radius:6px}.icon:hover{background:var(--bg);color:var(--text)}.icon.danger:hover{color:var(--danger)}.icon.save:hover{color:var(--accent)}.muted{color:var(--muted)}.error{margin:1rem 0 0;padding:.6rem .85rem;border:1px solid var(--danger);border-radius:8px;color:var(--danger);font-size:.9rem}