:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-bg: rgba(99, 102, 241, 0.08);
  --secondary: #64748b;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --info: #06b6d4;
  --info-bg: rgba(6, 182, 212, 0.1);

  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-topbar: rgba(255, 255, 255, 0.85);
  --bg-hover: #f1f5f9;
  --bg-active: var(--primary-bg);

  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --border-color: #e2e8f0;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;
  --topbar-height: 72px;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: all 0.2s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn {
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
}

.btn-sm {
  min-height: 36px;
  padding: 6px 14px;
  font-size: 0.8125rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--border-color);
  background: var(--bg-card);
}

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

.btn-outline-secondary {
  color: var(--text-secondary);
  border-color: var(--border-color);
}

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

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

.form-label {
  margin-bottom: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
}

.form-control,
.form-select {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.input-group-text {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--border-radius-sm);
  border: none;
  font-weight: 500;
}

.alert-success {
  background: var(--success-bg);
  color: #047857;
}

.alert-danger {
  background: var(--danger-bg);
  color: #dc2626;
}

.alert-warning {
  background: var(--warning-bg);
  color: #b45309;
}

.alert-info {
  background: var(--info-bg);
  color: #0891b2;
}

.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
}

.text-bg-success {
  background: var(--success-bg) !important;
  color: #047857 !important;
}

.text-bg-secondary {
  background: var(--bg-hover) !important;
  color: var(--text-secondary) !important;
}

.text-bg-warning {
  background: var(--warning-bg) !important;
  color: #b45309 !important;
}

.text-bg-info {
  background: var(--info-bg) !important;
  color: #0891b2 !important;
}

.text-bg-primary {
  background: var(--primary-bg) !important;
  color: var(--primary) !important;
}

.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 24px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  color: var(--text-inverse);
  z-index: 100;
  transition: var(--transition);
  overflow: hidden;
}

.app-sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 12px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  margin-bottom: 32px;
  color: var(--text-inverse);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.sidebar-brand:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-inverse);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  object-fit: cover;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--border-radius-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.brand-text {
  overflow: hidden;
  white-space: nowrap;
}

.brand-text strong {
  display: block;
  font-size: 1rem;
  line-height: 1.2;
}

.brand-text small {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
}

.app-sidebar.collapsed .brand-text {
  display: none;
}

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-menu::-webkit-scrollbar {
  width: 4px;
}

.sidebar-menu::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.menu-section {
  margin-bottom: 24px;
}

.menu-label {
  display: block;
  padding: 0 12px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.app-sidebar.collapsed .menu-label {
  display: none;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.menu-parent {
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  font: inherit;
  font-size: inherit;
  text-align: left;
}

.menu-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  transition: transform 0.25s ease;
}

.menu-parent[aria-expanded="true"] .menu-arrow {
  transform: rotate(180deg);
}

.submenu {
  display: none;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.submenu.open {
  display: block;
}

.menu-sub {
  padding-left: 48px;
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.menu-sub:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-inverse);
}

.menu-sub.active {
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-light);
}

.app-sidebar.collapsed .menu-parent {
  justify-content: center;
  gap: 0;
}

.app-sidebar.collapsed .menu-parent span,
.app-sidebar.collapsed .menu-arrow {
  display: none;
}

.app-sidebar.collapsed .submenu {
  display: none !important;
}

.app-sidebar.collapsed .has-submenu {
  position: relative;
}

.app-sidebar.collapsed .has-submenu:hover .submenu {
  position: absolute;
  left: var(--sidebar-collapsed);
  top: 0;
  display: block !important;
  width: 200px;
  background: var(--bg-sidebar);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  padding: 8px 0;
  z-index: 200;
  box-shadow: var(--shadow-lg);
}

.app-sidebar.collapsed .has-submenu:hover .submenu .menu-sub {
  padding: 10px 16px;
  white-space: nowrap;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-inverse);
}

.menu-item.active {
  background: var(--primary);
  color: var(--text-inverse);
}

.menu-item i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 1.125rem;
}

.app-sidebar.collapsed .menu-item span {
  display: none;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-item-logout {
  color: rgba(239, 68, 68, 0.8) !important;
}

.menu-item-logout:hover {
  background: rgba(239, 68, 68, 0.2) !important;
  color: #ef4444 !important;
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.app-sidebar.collapsed ~ .app-main {
  margin-left: var(--sidebar-collapsed);
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding: 0 32px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
}

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

.btn-toggle-sidebar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--border-radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.topbar-title h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.topbar-breadcrumb {
  display: block;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-search {
  position: relative;
  display: flex;
  align-items: center;
}

.topbar-search i {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.search-input {
  width: 240px;
  height: 40px;
  padding: 8px 14px 8px 40px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-body);
  font-size: 0.875rem;
  transition: var(--transition);
}

.search-input:focus {
  width: 320px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
  outline: none;
}

.btn-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1.125rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 10px;
  background: var(--danger);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
}

.topbar-user:hover {
  background: var(--bg-hover);
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.user-info strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-info small {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.topbar-user i {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.user-dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}

.user-dropdown-menu .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.user-dropdown-menu .dropdown-item:hover {
  background: var(--bg-hover);
}

.user-dropdown-menu .dropdown-item i {
  font-size: 1rem;
  color: var(--text-secondary);
}

.app-content {
  flex: 1;
  padding: 32px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

.app-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.footer-version {
  padding: 4px 10px;
  background: var(--bg-hover);
  border-radius: 20px;
  font-size: 0.75rem;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}

.page-header-content h2 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-header-content p {
  margin: 0;
  color: var(--text-secondary);
}

.page-header-actions {
  display: flex;
  gap: 12px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.stat-card-icon.primary {
  background: var(--primary-bg);
  color: var(--primary);
}

.stat-card-icon.success {
  background: var(--success-bg);
  color: var(--success);
}

.stat-card-icon.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.stat-card-icon.info {
  background: var(--info-bg);
  color: var(--info);
}

.stat-card-icon.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.stat-card-change {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.stat-card-change.positive {
  background: var(--success-bg);
  color: #047857;
}

.stat-card-change.negative {
  background: var(--danger-bg);
  color: #dc2626;
}

.stat-card-value {
  display: block;
  margin-bottom: 4px;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-card-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

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

.card-header h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 24px;
}

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: transparent;
}

.welcome-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  margin-bottom: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--border-radius-lg);
  color: white;
  overflow: hidden;
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.welcome-banner::after {
  content: '';
  position: absolute;
  bottom: -60%;
  right: 5%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.welcome-content {
  position: relative;
  z-index: 1;
}

.welcome-content h2 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  font-weight: 700;
}

.welcome-content p {
  margin: 0;
  opacity: 0.9;
  max-width: 600px;
}

.welcome-actions {
  position: relative;
  z-index: 1;
}

.welcome-actions .btn {
  background: white;
  color: var(--primary);
  border: none;
}

.welcome-actions .btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.table-responsive {
  border-radius: var(--border-radius);
  overflow: hidden;
}

.table {
  margin: 0;
  border-collapse: collapse;
}

.table thead th {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-hover);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.table tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

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

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

.table-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.table-user-info strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
}

.table-user-info small {
  display: block;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

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

.empty-state-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  background: var(--bg-hover);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 2rem;
}

.empty-state h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 400px;
}

.form-grid {
  display: grid;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
  padding: 20px;
  margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 180px;
}

.filter-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-group .form-control,
.filter-group .form-select {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.875rem;
}

.filter-search {
  flex: 1;
  min-width: 280px;
}

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

.pagination-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.pagination {
  display: flex;
  gap: 4px;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
}

.pagination a:hover {
  background: var(--bg-hover);
  border-color: var(--border-color);
}

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

.pagination a.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.category-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
}

.category-tab:hover {
  background: var(--bg-hover);
  border-color: var(--border-color);
}

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

.category-tab .count {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.1);
  font-size: 0.75rem;
  font-weight: 600;
}

.category-tab.active .count {
  background: rgba(255, 255, 255, 0.2);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.product-card-image {
  position: relative;
  height: 180px;
  background: var(--bg-hover);
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-image .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-muted);
  font-size: 2.5rem;
}

.product-card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 6px;
}

.product-card-body {
  padding: 20px;
}

.product-card-category {
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 8px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-card-title {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.product-card-description {
  display: -webkit-box;
  margin: 0 0 16px;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.product-card-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.product-card-price .old-price {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-left: 8px;
}

.product-card-actions {
  display: flex;
  gap: 8px;
}

.product-card-actions .btn {
  padding: 8px 12px;
  min-height: auto;
}

.product-card-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.product-flag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.login-page {
  display: flex;
  min-height: 100vh;
  background: var(--bg-body);
}

.login-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 1200px;
  margin: auto;
  min-height: 600px;
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.login-form-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.login-brand .brand-icon {
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
}

.login-form-section h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.login-form-section > p {
  margin: 0 0 32px;
  color: var(--text-secondary);
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form .form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text-primary);
}

.login-form .input-group {
  position: relative;
}

.login-form .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.login-form .form-control {
  padding-left: 44px;
}

.login-form .btn {
  width: 100%;
  margin-top: 8px;
}

.login-form .login-help {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.login-illustration {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.login-illustration h2 {
  margin: 0 0 16px;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
}

.login-illustration p {
  margin: 0 0 32px;
  text-align: center;
  opacity: 0.9;
  max-width: 400px;
}

.login-features {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  max-width: 320px;
}

.login-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.login-features li:last-child {
  border-bottom: none;
}

.login-features i {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
}

.app-offcanvas {
  background: var(--bg-sidebar);
  width: var(--sidebar-width);
}

.app-offcanvas .offcanvas-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
}

.app-offcanvas .offcanvas-title {
  color: white;
  font-weight: 600;
}

.app-offcanvas .btn-close {
  filter: invert(1);
}

.logo-preview {
  display: inline-block;
  margin-top: 12px;
  padding: 8px;
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
}

.logo-preview img {
  max-width: 120px;
  max-height: 60px;
  object-fit: contain;
}

@media (max-width: 1199px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .app-sidebar {
    transform: translateX(-100%);
  }

  .app-sidebar.mobile-open {
    transform: translateX(0);
  }

  .app-main {
    margin-left: 0;
  }

  .btn-toggle-sidebar:not(.d-lg-none) {
    display: none;
  }

  .topbar-search {
    display: none;
  }

  .login-wrapper {
    grid-template-columns: 1fr;
  }

  .login-illustration {
    display: none;
  }
}

@media (max-width: 767px) {
  .app-topbar {
    padding: 0 16px;
  }

  .app-content {
    padding: 20px 16px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
  }

  .page-header-actions {
    width: 100%;
  }

  .page-header-actions .btn {
    flex: 1;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    min-width: 100%;
  }

  .filter-actions {
    width: 100%;
  }

  .filter-actions .btn {
    flex: 1;
  }

  .pagination-wrapper {
    flex-direction: column;
    gap: 16px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .welcome-banner {
    flex-direction: column;
    text-align: center;
  }

  .welcome-actions {
    width: 100%;
  }

  .welcome-actions .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .user-info {
    display: none;
  }

  .topbar-user i {
    display: none;
  }

  .topbar-title h1 {
    font-size: 1.25rem;
  }

  .topbar-breadcrumb {
    display: none;
  }

  .login-form-section {
    padding: 32px 24px;
  }
}

@media (max-width: 575px) {
  .stat-card {
    padding: 16px;
  }

  .stat-card-value {
    font-size: 1.5rem;
  }

  .product-card-image {
    height: 140px;
  }
}