/* Theme aligned with login page */
:root {
  --primary: #4361ee;
  --secondary: #3a0ca3;
  --accent: #4cc9f0;
  --success: #4ade80;
  --warning: #f59e0b;
  --danger: #ef4444;

  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #333;
  --muted: #6b7280;

  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 25px rgba(0,0,0,0.08);
  --trans: all .25s ease;
}

* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

/* Admin navbar */
.admin-body { padding: 0 !important; background: var(--bg); }
.admin-nav {
  background: rgba(255,255,255,0.85);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: sticky; top: 0; z-index: 20;
  box-shadow: var(--shadow-sm);
}
.admin-nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
}
.admin-nav .brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: .3px; color: var(--text);
}
.admin-nav .brand .logo-icon {
  width: 36px; height: 36px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.admin-nav .links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.admin-nav .links a {
  position: relative;
  margin-left: 0; color: #333; text-decoration: none;
  padding: 8px 12px; border-radius: var(--radius-md);
  transition: var(--trans);
}
.admin-nav .links a:hover { background: #f0f2f5; }
.admin-nav .links a.active {
  color: var(--primary);
  background: rgba(67,97,238,0.08);
}
.admin-nav .links a.active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px;
  height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.admin-nav .links a.danger { color: #d9363e; }
.admin-content { max-width: 1200px; margin: 16px auto; padding: 0 12px; }
.page-title { margin: 12px 0 16px; display: flex; align-items: center; gap: 8px; }

/* Cards and spacing */
.layui-card {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.06);
  background: var(--card);
}
.layui-card-header { font-weight: 700; background: #fafafa; }
.layui-card-body { padding: 16px; }

/* Buttons */
.layui-btn {
  border-radius: var(--radius-md); transition: transform .06s ease, box-shadow .2s ease;
}
.layui-btn:hover { transform: translateY(-1px); }
.layui-btn-normal {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  border-color: transparent !important; color: #fff !important;
  box-shadow: 0 6px 16px rgba(67,97,238,.25);
}
.layui-btn-danger {
  background: linear-gradient(135deg, #ef4444, #d9363e) !important;
  color: #fff !important; border-color: transparent !important;
}
.layui-btn-primary.btn-ghost {
  background: #fff; color: var(--text); border: 2px solid #e5e6eb;
}

/* Inputs */
.layui-input, .layui-select, .layui-textarea { border-radius: var(--radius-md); }
.layui-input:focus, .layui-textarea:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
  background: #fff;
}

/* Stat cards with gradient accents */
.stat-card { color: #fff; border: none; box-shadow: var(--shadow-md); }
.stat-card .layui-card-header { background: transparent; border-bottom: none; color: #fff; }
.stat-card .layui-card-body { background: transparent; }
.stat-card[data-accent="blue"]   { background: linear-gradient(135deg, #4361ee, #73b0ff); }
.stat-card[data-accent="green"]  { background: linear-gradient(135deg, #1fc9c9, #63e5e5); }
.stat-card[data-accent="purple"] { background: linear-gradient(135deg, #a06bff, #c39bff); }

/* Chips & Badge */
.chip {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: #f5f7ff; color: #4b5bd9; margin: 4px 6px 0 0; font-size: 12px;
}
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: rgba(67,97,238,0.12); color: var(--primary); font-size: 12px;
}

/* Table tweaks */
.table-responsive {
  width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg); background: var(--card);
}
.layui-table { border-radius: var(--radius-lg); overflow: hidden; }
.layui-table th, .layui-table td { font-size: 14px; }
.data-table thead th { position: sticky; top: 0; background: #fafafa; z-index: 1; }
.data-table tbody tr:nth-child(odd) { background: #fcfcfc; }
.data-table tbody tr:hover { background: #f5faff; }
.data-table td, .data-table th {
  white-space: nowrap; text-overflow: ellipsis; overflow: hidden; max-width: 260px;
}
.data-table td:nth-child(5), .data-table td:nth-child(6), .data-table td:nth-child(7) { max-width: 200px; }

/* Pager */
.pager { margin: 18px 0 24px; display: flex; justify-content: center; align-items: center; }
.pagination { display: inline-flex; list-style: none; gap: 6px; padding: 0; margin: 0; }
.pagination li a, .pagination li span {
  display: inline-block; padding: 6px 12px; border-radius: var(--radius-md);
  border: 1px solid #e5e6eb; background: #fff; color: #333; font-size: 13px; line-height: 1;
  text-decoration: none; min-width: 36px; text-align: center;
}
.pagination li a:hover { background: #f5f7fa; border-color: #d9d9d9; }
.pagination li.active span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; border-color: transparent;
}
.pagination li.disabled span { color: #aaa; background: #f7f8fa; border-color: #eee; cursor: not-allowed; }
.pagination li.ellipsis span { border: none; background: transparent; }

/* Alerts */
.layui-alert { border-radius: var(--radius-md); color: #fff; }

/* Transition page (front transition) */
.transition-body {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 24px;
}
.transition-card {
  background: #fff; padding: 28px; border-radius: 16px; box-shadow: var(--shadow-md);
  text-align: center; max-width: 560px; width: 100%;
}
.transition-image { max-width: 100%; border-radius: 12px; margin-bottom: 12px; }
.transition-card h1 { font-size: 22px; margin: 8px 0 6px; }
.transition-card .desc { color: #667085; margin-bottom: 10px; }
.primary-link { color: var(--primary); text-decoration: none; }
.primary-link:hover { text-decoration: underline; }

/* Progress bar */
.progress { height: 8px; background: #f0f2f5; border-radius: 999px; overflow: hidden; }
.progress .bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--primary), var(--accent)); transition: width .3s ease; }

/* Auth panel (login) */
.auth-panel { }
.auth-panel h2 { text-align: center; }
.auth-panel .layui-form {
  background: var(--card); padding: 16px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Responsive */
@media (max-width:1200px){
  .admin-content { padding: 0 8px; }
}
@media (max-width:992px){
  .admin-nav .links a { padding: 6px 10px; }
  .data-table td, .data-table th { max-width: 200px; }
}
@media (max-width:768px){
  .admin-nav-inner { padding: 10px 12px; }
  .layui-card-body { padding: 12px; }
  .data-table td, .data-table th { max-width: 160px; }
  .pagination { gap: 4px; }
  .pagination li a, .pagination li span { padding: 6px 10px; min-width: 32px; }
}
@media (max-width:576px){
  .admin-nav .brand { font-size: 14px; }
  .admin-nav .links a { font-size: 12px; }
  .data-table td, .data-table th { max-width: 120px; }
  .pagination li a, .pagination li span { padding: 6px 8px; min-width: 28px; font-size: 12px; }
}