/**
 * 店赢OS - 平台管理后台样式
 * 深色主题专业SaaS风格
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  --primary: #5e6ad2;
  --primary-light: #8b92e3;
  --primary-dark: #4a56b0;
  --accent: #00b8cc;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #0a0a0f;
  --bg-card: #141420;
  --bg-card-hover: #1a1a28;
  --bg-sidebar: #0d0d14;
  --border: #1e1e2e;
  --border-light: #2a2a3e;
  --text: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --sidebar-width: 260px;
  --topbar-height: 64px;
  --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
table { border-collapse: collapse; }

/* ============================================
   Admin Container Layout
   ============================================ */
.admin-container {
  display: flex;
  min-height: 100vh;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar.collapsed {
  width: 0;
  overflow: hidden;
}

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

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
}

.sidebar-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.sidebar-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: var(--transition);
}

.sidebar-toggle:hover {
  background: var(--bg-card);
  color: var(--text);
}

.sidebar-back-link {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition);
}

.back-link:hover {
  background: var(--primary);
  color: white;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  padding: 8px 20px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(94,106,210,0.15) 0%, transparent 100%);
  color: var(--primary-light);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.nav-item i {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.nav-item.active i {
  opacity: 1;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.admin-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
}

.admin-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  color: white;
}

.admin-info {
  display: flex;
  flex-direction: column;
}

.admin-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.admin-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: var(--transition);
}

.sidebar.collapsed + .main-content {
  margin-left: 0;
}

/* ============================================
   Topbar
   ============================================ */
.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
}

.mobile-menu-toggle:hover {
  background: var(--bg-card);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.breadcrumb-item {
  color: var(--text-muted);
}

.breadcrumb-item:last-child {
  color: var(--text);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

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

.topbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.topbar-search input {
  background: none;
  border: none;
  color: var(--text);
  width: 200px;
  outline: none;
}

.topbar-search input::placeholder {
  color: var(--text-muted);
}

.topbar-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition);
}

.topbar-btn:hover {
  background: var(--bg-card);
  color: var(--text);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9px;
  padding: 0 5px;
}

/* ============================================
   Content Area
   ============================================ */
.content-area {
  padding: 24px;
  min-height: calc(100vh - var(--topbar-height));
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================
   Stats Cards
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 1.25rem;
}

.stat-icon.primary { background: rgba(94,106,210,0.15); color: var(--primary); }
.stat-icon.success { background: rgba(16,185,129,0.15); color: var(--success); }
.stat-icon.warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-icon.danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.stat-icon.accent { background: rgba(0,184,204,0.15); color: var(--accent); }

.stat-content {
  flex: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.stat-change {
  font-size: 0.75rem;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============================================
   Tables
   ============================================ */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.table-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

tr:nth-child(even) {
  background: rgba(0,0,0,0.15);
}

tr:hover {
  background: var(--bg-card-hover);
}

.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

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

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-light);
  color: var(--text);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #0ea572;
}

.btn-warning {
  background: var(--warning);
  color: white;
}

.btn-warning:hover {
  background: #d97706;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 1rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
}

.btn-icon:hover {
  background: var(--bg-card);
  color: var(--text);
}

.btn-icon.sm {
  width: 28px;
  height: 28px;
}

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

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(94,106,210,0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b6b7b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 6px;
}

/* Search Input */
.search-input {
  position: relative;
}

.search-input input {
  padding-left: 40px;
}

.search-input i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

/* ============================================
   Badges & Tags
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 20px;
}

.badge-primary { background: rgba(94,106,210,0.15); color: var(--primary-light); }
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-accent { background: rgba(0,184,204,0.15); color: var(--accent); }
.badge-gray { background: rgba(160,160,176,0.15); color: var(--text-secondary); }

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.tag.active {
  background: rgba(94,106,210,0.1);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.tab {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  background: var(--primary);
  color: white;
}

/* ============================================
   Charts Container
   ============================================ */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.chart-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.chart-wrapper {
  height: 300px;
  position: relative;
}

.chart-wrapper canvas {
  max-width: 100%;
  max-height: 100%;
}

/* ============================================
   Modals
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-lg {
  max-width: 800px;
}

.modal-xl {
  max-width: 1000px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.modal-body {
  padding: 24px;
  max-height: calc(90vh - 140px);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--accent); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.toast-message {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.toast-close {
  color: var(--text-muted);
  transition: var(--transition);
}

.toast-close:hover {
  color: var(--text);
}

/* ============================================
   Confirm Dialog
   ============================================ */
.confirm-dialog {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.confirm-dialog.active {
  opacity: 1;
  visibility: visible;
}

.confirm-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  max-width: 400px;
  transform: scale(0.95);
  transition: var(--transition);
}

.confirm-dialog.active .confirm-content {
  transform: scale(1);
}

.confirm-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: rgba(245,158,11,0.15);
  border-radius: 50%;
  color: var(--warning);
}

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

.confirm-icon i {
  width: 32px;
  height: 32px;
}

.confirm-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.confirm-message {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-fill.success { background: var(--success); }
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: 50%;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.empty-icon i {
  width: 40px;
  height: 40px;
}

.empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-description {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 300px;
}

/* ============================================
   Dropdown Menu
   ============================================ */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.dropdown-item i {
  width: 16px;
  height: 16px;
}

.dropdown-item.danger {
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-card);
  color: var(--text);
}

.pagination-btn.active {
  background: var(--primary);
  color: white;
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Switch Toggle
   ============================================ */
.switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--border);
  border-radius: 24px;
  transition: var(--transition);
}

.switch-slider::before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

.switch input:checked + .switch-slider {
  background: var(--primary);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* ============================================
   Timeline
   ============================================ */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
}

.timeline-dot.success { background: var(--success); }
.timeline-dot.warning { background: var(--warning); }
.timeline-dot.danger { background: var(--danger); }

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.timeline-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.timeline-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.filter-select {
  padding: 8px 32px 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
}

.filter-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ============================================
   Status Indicators
   ============================================ */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--text-muted); }
.status-dot.busy { background: var(--warning); }
.status-dot.error { background: var(--danger); }

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   Avatar
   ============================================ */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
}

.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.avatar.sm { width: 28px; height: 28px; font-size: 0.75rem; }
.avatar.lg { width: 48px; height: 48px; font-size: 1rem; }
.avatar.xl { width: 64px; height: 64px; font-size: 1.25rem; }

/* ============================================
   Utility Classes
   ============================================ */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-accent { color: var(--accent); }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .topbar-search {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-actions {
    margin-left: 0;
    justify-content: flex-end;
  }
  
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    min-width: 800px;
  }
  
  .modal-container {
    width: 95%;
    max-height: 95vh;
  }
}

/* ============================================
   Animation
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.3s ease;
}

.animate-slideUp {
  animation: slideUp 0.4s ease;
}

/* ============================================
   Matrix Table
   ============================================ */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
}

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

.matrix-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text);
}

.matrix-table td:first-child {
  text-align: left;
  font-weight: 500;
  background: var(--bg);
}

.matrix-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary);
}

/* ============================================
   Permission Badge
   ============================================ */
.permission-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

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

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

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

/* ============================================
   Level Badge
   ============================================ */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.level-badge.silver {
  background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
  color: #333;
}

.level-badge.gold {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #333;
}

.level-badge.diamond {
  background: linear-gradient(135deg, #b9f2ff, #7dd3fc);
  color: #0369a1;
}

/* ============================================
   Risk Level
   ============================================ */
.risk-high {
  color: var(--danger);
  font-weight: 600;
}

.risk-medium {
  color: var(--warning);
  font-weight: 500;
}

.risk-low {
  color: var(--success);
}

/* ============================================
   Price Card
   ============================================ */
.price-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.price-card:hover {
  border-color: var(--primary);
}

.price-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(94,106,210,0.1) 0%, var(--bg-card) 100%);
}

.price-card.featured .price-badge {
  display: block;
}

.price-badge {
  display: none;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.price-features {
  list-style: none;
  margin: 24px 0;
  text-align: left;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.price-features li i {
  color: var(--success);
  width: 16px;
  height: 16px;
}

/* Loading Spinner Styles */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.loading-spinner i {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ============================================
   Activity List (Overview Page)
   ============================================ */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.activity-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.activity-icon i {
  width: 16px;
  height: 16px;
}

.activity-icon.success { background: rgba(16,185,129,0.15); color: var(--success); }
.activity-icon.primary { background: rgba(94,106,210,0.15); color: var(--primary); }
.activity-icon.warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.activity-icon.danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.activity-icon.accent { background: rgba(0,184,204,0.15); color: var(--accent); }

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.activity-text strong {
  color: var(--text);
  font-weight: 600;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================
   Top Merchants (Overview Page)
   ============================================ */
.top-merchants {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.top-merchant-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.top-merchant-item .rank {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg);
  color: var(--text-muted);
  flex-shrink: 0;
}

.top-merchant-item .rank.gold {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #333;
}

.top-merchant-item .rank.silver {
  background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
  color: #333;
}

.top-merchant-item .rank.bronze {
  background: linear-gradient(135deg, #cd7f32, #b8680e);
  color: white;
}

.merchant-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 0;
}

.merchant-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.merchant-gmv {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 12px;
}

/* ============================================
   Chart Actions / Buttons
   ============================================ */
.chart-actions {
  display: flex;
  gap: 4px;
}

.chart-btn {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.chart-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-light);
}

.chart-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ============================================
   Stat Change - positive class alias
   ============================================ */
.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

/* ============================================
   Font Mono
   ============================================ */
.font-mono {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85em;
}

/* ============================================
   FAQ Item
   ============================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.faq-q {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.faq-a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   Permission Item (Feature Flags / Notifications)
   ============================================ */
.permission-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.permission-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.permission-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.permission-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.permission-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}