:root{--bg:#f4f6f9;--panel:#fff;--border:#e3e7ee;--text:#1c2333;--text-dim:#6b7280;--primary:#0b63f6;--primary-dark:#0748b8;--primary-light:#e9f1ff;--success:#16a34a;--success-bg:#ecfdf3;--danger:#dc2626;--danger-bg:#fef2f2;--radius:10px;--shadow:0 1px 3px #1018280f, 0 1px 2px #1018280a}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}button{font-family:inherit}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-size:13.5px;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{color:var(--text-dim);border:1px solid var(--border);background:#fff}.btn-ghost:hover{background:#f3f4f6}.btn-danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}input[type=text],input[type=email],input[type=password]{border:1px solid var(--border);background:#fbfcfe;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-family:inherit;font-size:13.5px}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);background:#fff}.badge{border-radius:999px;align-items:center;gap:5px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{background:var(--success-bg);color:var(--success)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-dot{background:currentColor;border-radius:50%;width:6px;height:6px}