/* ========================================
   Admin Layout & Components
   ======================================== */

/* Admin container */
.admin-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

/* Admin header */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.admin-header h1 {
  margin: 0;
  font-size: var(--font-size-3xl);
  color: var(--color-gray-900);
}

.admin-header__meta {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.admin-header__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* Admin breadcrumb */
.admin-breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-sm);
}

.admin-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.admin-breadcrumb a:hover {
  text-decoration: underline;
}

/* Admin grid (2-column layout) */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

@media (max-width: 768px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

/* Admin table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}

.admin-table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.admin-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-900);
}

.admin-table tbody tr {
  transition: background-color var(--transition-fast);
}

.admin-table tbody tr:hover {
  background-color: var(--color-gray-50);
}

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

/* Admin table link */
.admin-table__link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.admin-table__link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Admin table actions */
.admin-table__actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

/* Admin search form */
.admin-search-form .form-row {
  gap: var(--spacing-md);
  margin-bottom: 0;
}

/* Admin stats cards */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.admin-stat-card {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.admin-stat-card__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.admin-stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

.admin-stat-card__change {
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.admin-stat-card__change--positive {
  color: var(--color-success);
}

.admin-stat-card__change--negative {
  color: var(--color-error);
}

/* Admin filters */
.admin-filters {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.admin-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.admin-filter-tag__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  background: none;
  border: none;
  color: currentColor;
  cursor: pointer;
  padding: 0;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.admin-filter-tag__remove:hover {
  opacity: 1;
}

/* Admin sidebar (for future use) */
.admin-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-xl);
  max-width: 1600px;
  margin: 0 auto;
}

.admin-sidebar {
  position: sticky;
  top: var(--spacing-lg);
  height: fit-content;
}

.admin-sidebar__nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-sidebar__nav-item {
  margin-bottom: var(--spacing-xs);
}

.admin-sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.admin-sidebar__nav-link:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
  text-decoration: none;
}

.admin-sidebar__nav-link--active {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* Admin empty state */
.admin-empty {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  color: var(--color-gray-500);
}

.admin-empty__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--spacing-lg);
  opacity: 0.5;
}

.admin-empty__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
}

.admin-empty__description {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-lg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .admin-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-header__actions {
    width: 100%;
  }

  .admin-table {
    font-size: var(--font-size-xs);
  }

  .admin-table th,
  .admin-table td {
    padding: var(--spacing-sm);
  }

  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
  }
}

/* Pagination (Kaminari styles) */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 var(--spacing-sm);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
  text-decoration: none;
}

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

.pagination .disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination .gap {
  border: none;
  pointer-events: none;
}