:root{color-scheme:light;--bg: #f4f5f7;--card: #ffffff;--text: #1c1e21;--muted: #6b7280;--border: #e2e5ea;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #b91c1c;--overdue: #b45309;--chip: #eef2ff;--chip-active: #2563eb}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:760px;margin:0 auto;padding:24px 16px 48px}.header h1{margin:0 0 4px;font-size:28px}.subtitle{margin:0 0 16px;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.banner{border-radius:10px;padding:10px 14px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}.banner.error{background:#fef2f2;border:1px solid #fecaca;color:var(--danger)}.banner-close{border:none;background:none;font-size:18px;cursor:pointer;color:inherit}input,button{font:inherit}input[type=text],input[type=date],input[type=time]{border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:#fff;color:var(--text)}input:focus{outline:2px solid var(--primary);outline-offset:0}button{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer}button:hover:not(:disabled){border-color:#c7cbd1;background:#fafafa}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover:not(:disabled){background:var(--primary-hover)}button.danger{color:var(--danger);border-color:#fecaca}.search-form{display:flex;gap:8px}.search-input{flex:1}.search-result{margin-top:12px}.result-count{margin:0 0 8px;color:var(--muted);font-size:14px}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:6px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th{background:#f9fafb;font-weight:600}tbody tr:last-child td{border-bottom:none}.sql-details{margin-top:8px;font-size:13px}.sql-details summary{cursor:pointer;color:var(--muted)}.sql-details pre{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:10px 12px;overflow-x:auto;font-size:12px}.add-form{display:flex;flex-direction:column;gap:10px}.title-input{width:100%}.form-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.field.grow{flex:1;min-width:180px}.field input{width:100%}.tag-bar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:16px}.tag-bar-label{color:var(--muted);font-size:14px}.chip{border-radius:999px;padding:4px 12px;font-size:13px;background:var(--chip);border:1px solid transparent;color:var(--text)}.chip:hover:not(:disabled){background:#e0e7ff}.chip-active{background:var(--chip-active);color:#fff}.chip-clear{background:transparent;color:var(--muted);border:1px dashed var(--border)}.chip-mini{padding:1px 8px;font-size:12px}.chip-count{opacity:.6;font-size:12px}.list-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.list-head h2{margin:0;font-size:16px}.toggle{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center}.todo-list{list-style:none;margin:0;padding:0}.todo{display:flex;align-items:flex-start;gap:12px;padding:12px 4px;border-top:1px solid var(--border)}.todo-list>.empty{border-top:none;color:var(--muted);padding:12px 4px}.todo:first-child{border-top:none}.todo.editing{display:block}.check{padding-top:3px}.todo.done .todo-title{text-decoration:line-through;color:var(--muted)}.todo-body{flex:1;display:flex;flex-direction:column;gap:4px}.todo-meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.due{font-size:13px;color:var(--muted)}.due.overdue{color:var(--overdue);font-weight:600}.todo-actions{display:flex;gap:6px}.todo-actions button{padding:4px 10px;font-size:13px}.footer{color:var(--muted);font-size:13px;text-align:center}@media(max-width:560px){.form-row{flex-direction:column;align-items:stretch}.todo-actions{flex-direction:column}}