:root{color-scheme:light dark;--bg:#f6f7f9;--card:#ffffff;--text:#1a1d21;--muted:#5c6570;--border:#d9dee4;--primary:#206e4e;--primary-text:#ffffff;--danger:#b3261e;--ok:#1a7f37}@media (prefers-color-scheme:dark){:root{--bg:#101317;--card:#181c22;--text:#e8eaed;--muted:#9aa4b1;--border:#2c333d;--primary:#63c39a;--primary-text:#0c1a13;--danger:#f2827b;--ok:#67c380}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.site-header{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.5rem;border-bottom:1px solid var(--border);background:var(--card)}.site-header .brand{font-weight:700;color:var(--text)}.site-header nav{display:flex;gap:1rem;align-items:center}main{max-width:40rem;margin:2.5rem auto;padding:0 1rem;display:flex;flex-direction:column;gap:1.25rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.75rem 2rem}.card h1,.card h2{margin-top:0;font-size:1.3rem}.muted{color:var(--muted);font-size:.925rem}button{padding:.6rem 1rem;border:1px solid transparent;border-radius:8px;background:var(--primary);color:var(--primary-text);font-size:.975rem;font-weight:600;cursor:pointer}button.secondary{background:transparent;color:var(--primary);border-color:var(--border)}button.danger{background:transparent;color:var(--danger);border-color:var(--danger);padding:.35rem .75rem;font-size:.875rem}input[type=text]{padding:.6rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:1rem;flex:1 1}.add-row{display:flex;gap:.6rem;margin:1rem 0}ul.items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}ul.items li{display:flex;justify-content:space-between;align-items:center;gap:1rem;border:1px solid var(--border);border-radius:8px;padding:.55rem .9rem}.notice{border:1px solid var(--ok);color:var(--ok);border-radius:8px}.error,.notice{padding:.6rem .9rem;font-size:.925rem}.error{border:1px solid var(--danger);color:var(--danger);border-radius:8px}dl.kv{display:grid;grid-template-columns:max-content 1fr;grid-gap:.35rem 1rem;gap:.35rem 1rem;margin:1rem 0 0;font-size:.9rem}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;word-break:break-all}.actions-row{display:flex;gap:.75rem;margin-top:1rem;align-items:center}