:root {
  --primary: #6366f1;
  --primary-dark: #5558e3;
  --primary-light: #eef2ff;
  --bg: #f8f9fc;
  --card: #ffffff;
  --border: #edf0f5;
  --text: #2d3748;
  --muted: #94a3b8;
  --danger: #ef4444;
  --ok: #10b981;
  --sidebar-bg: rgba(255,255,255,0.85);
  --shadow: 0 2px 12px rgba(99,102,241,0.06);
  --shadow-lg: 0 8px 32px rgba(99,102,241,0.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
.hidden { display: none !important; }
a { color: var(--primary); text-decoration: none; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #f8f9fc 0%, #e8ecf8 50%, #f0f4ff 100%); }
.login-card { background: rgba(255,255,255,0.92); backdrop-filter: blur(20px); padding: 44px; border-radius: 16px; box-shadow: var(--shadow-lg); width: 400px; border: 1px solid rgba(255,255,255,0.6); }
.login-card h1 { font-size: 24px; text-align: center; background: linear-gradient(135deg, var(--primary), #818cf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 12px; margin: 8px 0 28px; }
.form label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
.form input, .form select, .form textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; background: #fafbfc; transition: all .2s; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.form textarea { font-family: monospace; min-height: 90px; resize: vertical; }

/* 布局 */
#app-view { display: flex; min-height: 100vh; }
.sidebar { width: 250px; background: var(--sidebar-bg); backdrop-filter: blur(16px); border-right: 1px solid var(--border); padding: 16px 0; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 10; }
.sidebar .brand { padding: 8px 24px 20px; font-size: 18px; font-weight: 700; color: var(--text); border-bottom: 1px solid var(--border); }
.sidebar nav { flex: 1; padding-top: 12px; overflow-y: auto; }
.sidebar nav a { display: block; padding: 11px 24px; color: var(--muted); font-size: 13px; transition: all .2s; border-left: 3px solid transparent; }
.sidebar nav a:hover { background: var(--primary-light); color: var(--primary); }
.sidebar nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; border-left-color: var(--primary); }
.sidebar-foot { padding: 14px 24px; border-top: 1px solid var(--border); font-size: 13px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); }
.sidebar-foot a { color: var(--danger); }
.content { flex: 1; margin-left: 250px; padding: 0; }
#topbar { display: flex; justify-content: flex-end; align-items: center; gap: 16px; padding: 14px 28px; background: rgba(255,255,255,0.6); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
#topbar-user { font-size: 13px; color: var(--muted); }
#topbar-user::before { content: "👤 "; }
#page { padding: 28px; }

/* 通用 */
.card { background: var(--card); border-radius: 14px; box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; border: 1px solid var(--border); }
.card h2 { font-size: 16px; margin-bottom: 12px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.page-head h2 { font-size: 20px; font-weight: 700; }
.btn { padding: 8px 16px; border: 1px solid var(--border); background: #fff; border-radius: 8px; cursor: pointer; font-size: 13px; transition: all .2s; color: var(--text); }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 4px 12px rgba(99,102,241,0.25); }
.btn.danger { color: var(--danger); border-color: #fecaca; }
.btn.danger:hover { background: #fef2f2; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.block { width: 100%; margin-top: 18px; padding: 11px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; background: #fafbfc; }
tr:hover td { background: #fafbfc; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge.ok { background: #ecfdf5; color: var(--ok); }
.badge.warn { background: #fef9c3; color: #a16207; }
.badge.err { background: #fef2f2; color: var(--danger); }
.badge.info { background: var(--primary-light); color: var(--primary); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat { background: var(--card); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all .2s; }
.stat:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.stat .num { font-size: 28px; font-weight: 700; background: linear-gradient(135deg, var(--primary), #818cf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 4px; }

.msg { padding: 10px 14px; border-radius: 8px; margin: 10px 0; font-size: 13px; }
.msg.error { background: #fef2f2; color: #991b1b; }
.msg.ok { background: #ecfdf5; color: #065f46; }

.toolbar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input[type=text], .toolbar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: #fafbfc; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(99,102,241,0.08); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); border-radius: 16px; width: 560px; max-width: 92vw; max-height: 86vh; overflow: auto; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.6); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 15px; }
.modal-close { border: none; background: none; font-size: 22px; cursor: pointer; color: var(--muted); transition: all .2s; }
.modal-close:hover { color: var(--danger); }
#modal-body { padding: 20px; }
.modal .form label { margin-top: 10px; }

.toast { position: fixed; top: 20px; right: 20px; background: #fff; color: var(--text); padding: 12px 20px; border-radius: 10px; z-index: 100; font-size: 13px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.toast.ok { background: #fff; color: var(--ok); border-color: #bbf7d0; }
.toast.err { background: #fff; color: var(--danger); border-color: #fecaca; }

.mono { font-family: monospace; }
.code-box { background: #f8f9fc; color: #475569; padding: 14px; border-radius: 8px; font-family: monospace; font-size: 12px; word-break: break-all; margin: 8px 0; border: 1px solid var(--border); }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 12px; color: var(--muted); font-size: 13px; }
.empty { text-align: center; color: var(--muted); padding: 30px; }
.progress { height: 8px; background: #f1f5f9; border-radius: 4px; overflow: hidden; margin-top: 6px; }
.progress > div { height: 100%; background: linear-gradient(90deg, var(--primary), #818cf8); border-radius: 4px; }
.tab-bar { display: flex; gap: 6px; margin-bottom: 12px; }
.tab-bar a { padding: 7px 14px; border-radius: 8px; background: #f8f9fc; color: var(--text); font-size: 13px; border: 1px solid var(--border); }
.tab-bar a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; border-color: var(--primary); }