:root{--bg: #0f1728;--panel: #ffffff;--ink: #0f1728;--muted: #5f6b82;--line: #d6ddeb;--accent: #155eef}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(21,94,239,.18),transparent 18rem),linear-gradient(180deg,#131c31,#0f1728)}.admin-shell{min-height:100vh;padding:24px}.admin-panel{max-width:1180px;margin:0 auto;background:#fffffff5;border-radius:28px;padding:28px;box-shadow:0 30px 80px #00000038}.login-panel{max-width:420px;display:grid;gap:12px}.admin-header,.row,.grid,.toolbar{display:flex;gap:16px}.admin-header,.toolbar{justify-content:space-between;align-items:center}.grid{flex-wrap:wrap}.card{flex:1 1 320px;border:1px solid var(--line);border-radius:20px;padding:18px}input,button{font:inherit}input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px}button{border:none;border-radius:12px;padding:10px 14px;background:var(--accent);color:#fff;cursor:pointer}button.secondary{background:#e9eef9;color:var(--ink)}button.danger{background:#c43c3c}.muted{color:var(--muted)}.stack{display:grid;gap:12px}.list-item{border:1px solid var(--line);border-radius:14px;padding:12px}.stat{font-size:28px}