/* 如梦令后台管理系统 - 统一样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #667eea;
  --primary-dark: #764ba2;
  --bg-dark: #f5f5f5;
  --bg-card: #ffffff;
  --bg-hover: rgba(102,126,234,0.08);
  --border: #e5e7eb;
  --text: #333333;
  --text-muted: #6b7280;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* 布局框架 */
.admin-wrap {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.admin-sidebar {
  width: 260px;
  background: #ffffff;
  border-right: 1px solid var(--border);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 2px 0 8px rgba(0,0,0,0.05);
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.sidebar-logo h1 {
  font-size: 22px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.sidebar-logo p {
  font-size: 12px;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: 16px 0;
}

.nav-section {
  padding: 8px 20px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 8px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--bg-hover);
  color: var(--primary);
}

.sidebar-nav a.active {
  background: var(--bg-hover);
  border-left-color: var(--primary);
  color: var(--primary);
}

.nav-icon {
  width: 20px;
  margin-right: 12px;
  font-size: 16px;
}

/* 主内容区 */
.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 顶部栏 */
.admin-header {
  height: 64px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 99;
}

.header-left .page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #000;
  font-size: 14px;
}

.user-details {
  text-align: right;
}

.user-name {
  font-weight: 500;
  font-size: 14px;
}

.user-expiry {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-logout {
  padding: 8px 16px;
  background: rgba(239,68,68,0.2);
  border: 1px solid rgba(239,68,68,0.4);
  color: #fca5a5;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.btn-logout:hover {
  background: rgba(239,68,68,0.3);
}

.btn-renew {
  padding: 8px 16px;
  background: rgba(34,197,94,0.2);
  border: 1px solid rgba(34,197,94,0.4);
  color: #86efac;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.btn-renew:hover {
  background: rgba(34,197,94,0.3);
}

/* 内容区 */
.admin-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* 卡片 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 20px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: rgba(255,228,181,0.15);
  border: 1px solid rgba(255,228,181,0.4);
  color: var(--primary);
}

.btn-primary:hover {
  background: rgba(255,228,181,0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

.btn-success {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: var(--success);
}

.btn-danger {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.4);
  color: var(--danger);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
  background: var(--bg-hover);
}

.data-table td {
  color: var(--text);
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  transition: all 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,228,181,0.1);
}

.form-control::placeholder {
  color: #6b7280;
}

/* 状态标签 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: rgba(16,185,129,0.15);
  color: var(--success);
}

.badge-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
}

.badge-warning {
  background: rgba(245,158,11,0.15);
  color: var(--warning);
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* 搜索栏 */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-bar input,
.search-bar select {
  min-width: 180px;
}

/* 链接 */
.link-btn {
  cursor: pointer;
  font-size: 13px;
  transition: opacity 0.2s;
}

.link-btn:hover {
  opacity: 0.8;
}

/* 空状态 */
.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-muted);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 20px;
}

.pagination a,
.pagination span {
  padding: 8px 14px;
  border-radius: 6px;
  background: var(--bg-hover);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
}

.pagination a:hover {
  background: var(--primary);
  color: #000;
}

.pagination .active {
  background: var(--primary);
  color: #000;
  font-weight: 500;
}

/* 响应式 */
@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
    width: 260px;
    z-index: 200;
    box-shadow: 2px 0 12px rgba(0,0,0,0.3);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  /* 移动端菜单切换按钮 */
  .sidebar-toggle {
    display: block !important;
    padding: 12px 20px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    user-select: none;
  }
  
  .sidebar-toggle:hover {
    background: rgba(102,126,234,0.15);
  }
  
  /* 顶部栏加汉堡按钮 */
  .admin-header {
    padding-left: 50px;
    position: relative;
  }
  
  .admin-header::before {
    content: '☰';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    cursor: pointer;
    color: var(--primary);
    padding: 8px 12px;
    z-index: 201;
    pointer-events: auto;
    background: rgba(102,126,234,0.1);
    border-radius: 4px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .admin-header::before:active {
    opacity: 0.7;
  }
  
  /* 点击汉堡按钮展开侧边栏 */
  .admin-header {
    cursor: default;
  }
  
  /* 点击主内容区关闭侧边栏 */
  .admin-main {
    position: relative;
  }
  
  .admin-main::before {
    content: '';
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
  }
  
  .admin-sidebar.open ~ .admin-main::before {
    display: block;
  }
}

/* 桌面端隐藏菜单切换按钮 */
.sidebar-toggle {
  display: none;
}