:root{--bg:#f6f7f9;--card:#ffffff;--text:#17181a;--muted:#6b7280;--border:#e5e7eb;--brand:#4f46e5;--brand-weak:#eef2ff;--danger:#dc2626;--ok:#059669}@media (prefers-color-scheme:dark){:root{--bg:#101113;--card:#1a1c1f;--text:#e7e8ea;--muted:#9ca3af;--border:#2c2f33;--brand:#818cf8;--brand-weak:#26264a;--danger:#f87171;--ok:#34d399}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,PingFang SC,Segoe UI,Roboto,sans-serif}a{color:var(--brand);text-decoration:none}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.muted{color:var(--muted);font-size:13px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit;margin:4px 0 12px}button{padding:8px 16px;border:none;border-radius:8px;background:var(--brand);color:#fff;font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}button.danger{background:var(--danger)}.row,.spread{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.spread{justify-content:space-between}.tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--brand-weak);color:var(--brand);font-size:12px}.tag.gray{color:var(--muted)}.tag.gray,pre{background:var(--bg)}pre{padding:12px;border-radius:8px;overflow-x:auto;font-size:13px}