/* 
 * ADMIN STYLES - Admin interface specific components
 * 
 * Available admin classes:
 * Navigation: .admin-nav, .admin-nav-inner, .admin-nav-link, .admin-nav-link--active
 * Layout: .admin-breadcrumbs, .admin-page-header, .admin-page-header-actions
 * Components: .menu-item, .cluster-4, .cluster-2, .toolbar, .page-title
 * 
 * Use these for consistent admin interface styling
 */

/* Admin Navigation */
.admin-nav {
  background: var(--background-secondary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 40;
}

/* Admin Mobile Menu Toggle */
.admin-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}

.admin-nav-toggle:hover {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

.admin-nav-toggle .icon-close {
  display: none;
}

.admin-nav-toggle.is-open .icon-hamburger {
  display: none;
}

.admin-nav-toggle.is-open .icon-close {
  display: block;
}

.admin-nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 0;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.admin-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.admin-nav-link:hover {
  color: var(--gray-500);
}

.admin-nav-link--active {
  background-color: var(--signal-yellow);
  color: inherit;
}

/* Admin Navigation Sections */
.admin-nav-section {
  margin: 1rem 0;
}

.admin-nav-section-header {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  padding-left: 1rem;
}

/* Mobile Admin Navigation */
@media (max-width: 1023px) {
  .admin-nav-toggle {
    display: block;
  }

  .admin-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 4px 6px -1px var(--black-a10);
    z-index: 50;
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
  }

  .admin-nav.is-open .admin-nav-links {
    display: flex;
    flex-direction: column;
  }

  .admin-nav-link {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
  }

  .admin-nav-link:last-child {
    border-bottom: none;
  }

  .admin-nav-logout {
    display: none;
  }

  .admin-nav.is-open .admin-nav-logout {
    display: block;
    padding: 1rem;
    background: var(--background-secondary);
    position: absolute;
    top: calc(100% + 100vh - 5rem);
    left: 0;
    right: 0;
    z-index: 50;
  }

  /* Admin table container with horizontal scroll for mobile */
  .admin-table-container {
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--border-light);
  }

  .admin-bg table {
    min-width: 600px;
  }
}

/* Admin sidebar layout (desktop) */
@media (min-width: 1024px) {
  /* Fixed left sidebar below the main site header (approx 5rem) */
  .admin-nav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 240px;
    border-bottom: 0;
    border-right: 1px solid var(--border-light);
    overflow-y: auto;
  }

  .admin-nav-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    max-width: none;
    margin: 0;
    padding-top: 2.5rem;
    height: 100vh;
    display: flex;
  }

  .admin-nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .admin-nav-logout {
    margin-top: auto;
    padding-top: 1rem;
  }

  .admin-nav-logout .btn {
    width: 100%;
    justify-content: center;
  }

  /* Navigation sections */
  .nav-section {
    margin-top: 1.5rem;
  }

  .nav-section:first-of-type {
    margin-top: 1rem;
  }

  .nav-section-title {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem 0.25rem;
    margin-bottom: 0.25rem;
  }

  /* Admin tables: slightly smaller text for denser data display */
  .admin-bg table {
    font-size: 0.875rem;
  }

  /* Admin table container with horizontal scroll */
  .admin-table-container {
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--border-light);
  }

  .admin-bg table {
    min-width: 600px;
  }

  .admin-nav-link {
    display: block;
    padding: 0.5rem 0.75rem;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: 0.375rem;
  }

  /* Push admin page content to the right to make space for the sidebar */
  .admin-bg .site-container {
    margin-left: 260px;
    width: calc(100% - 260px);
    max-width: none;
  }
}

/* Admin breadcrumbs */
.admin-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.admin-breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.admin-breadcrumb-link:hover {
  color: var(--gray-500);
}

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

/* Admin page header */
.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 2rem;
  padding-top: 2rem;
}

.admin-page-header-content {
  flex: 1;
}

.admin-page-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Admin-specific card styles */
.admin-bg .card,
.admin-bg .card:visited,
.admin-bg .card:hover,
.admin-bg .card:focus {
  text-decoration: none;
}

/* Admin menu list */
.menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  cursor: move;
}

/* Admin utility classes */
.cluster-4 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cluster-2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Menu item styles */
.menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
}

.menu-item:hover {
  border-color: var(--signal-yellow);
  box-shadow: 0 2px 4px var(--black-a10);
}

.menu-item-handle {
  cursor: grab;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: background-color 0.2s;
}

.menu-item-handle:hover {
  background-color: var(--background-primary);
}

.menu-item-handle:active {
  cursor: grabbing;
}

.inline {
  display: inline;
}

.empty-cell {
  padding: 3rem 1.5rem;
  text-align: center;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.section-divider {
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3rem;
}

/* Remove margins on admin H1 titles so they align with action buttons */
.admin-bg .page-title {
  margin: 0;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* Stat Card */
.stat-card {
  background: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
}

.stat-card:hover {
  border-color: var(--signal-yellow);
  box-shadow: 0 4px 6px -1px var(--black-a10);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

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

/* Pagination - Using existing button system */
.pagination-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pagination-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination-item {
  display: flex;
}

.pagination-link {
  /* Use existing btn styles as base */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--gray-300);
  border-radius: 0.375rem;
  background-color: var(--background-secondary);
  color: var(--gray-700) !important;
  transition: all 0.2s ease;
  cursor: pointer;
}

.pagination-link:hover:not(.pagination-current) {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--gray-900) !important;
}

.pagination-current {
  background-color: var(--primary-400);
  border-color: var(--primary-400);
  color: var(--black) !important;
  cursor: default;
}

.pagination-current:hover {
  background-color: var(--primary-400);
  border-color: var(--primary-400);
  color: var(--black) !important;
}

.pagination-previous,
.pagination-next {
  font-weight: 600;
}

.pagination-ellipsis {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--gray-600);
  text-align: center;
}

/* Responsive pagination */
@media (max-width: 640px) {
  .pagination-wrapper {
    flex-direction: column-reverse;
    gap: 1rem;
  }
  
  .pagination-link {
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    font-size: 0.8125rem;
  }
  
  .pagination-ellipsis {
    min-width: 2rem;
    height: 2rem;
  }
  
  .pagination-info {
    font-size: 0.8125rem;
  }
}

/* Card header alignment with form fields */
.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.card-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Admin Form Layout - Simplified without cards */
.admin-form-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.admin-form-section {
  border-bottom: 1px solid var(--border-light);
  padding: 0 0 2rem 0;
}

.admin-form-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.admin-section {
  padding-top: 2rem;
}

.admin-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1.5rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

/* Admin form actions - flush aligned */
.admin-form-actions {
  display: flex;
  justify-content: flex-start;
  gap: 1rem;
  padding: 1rem 0 0 0;
}

/* Admin section - no side padding */
.admin-section {
  padding: 2rem 0;
}

/* Admin Tables - Clean without borders */
.admin-section .table-container {
  width: 100%;
  overflow-x: auto;
}

.admin-section .table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
}

.admin-section .table thead th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: inherit;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.admin-section .table tbody td {
  padding: 0.75rem 1.5rem;
  vertical-align: middle;
  color: inherit;
}

/* First column flush left */
.admin-section .table thead th:first-child,
.admin-section .table tbody td:first-child {
  padding-left: 0;
}

/* Last column flush right */
.admin-section .table thead th:last-child,
.admin-section .table tbody td:last-child {
  padding-right: 0;
  text-align: right;
}

.admin-section .table tbody tr:hover {
  background: transparent;
}

/* Ensure form inputs extend to container edges */
.admin-form-container .form-input,
.admin-form-container .form-textarea,
.admin-form-container .form-select {
  width: 100%;
  max-width: none;
  box-sizing: border-box;
}

/* Clean form container without negative margins */
.admin-form-container {
  padding: 0;
}

/* Ensure form groups don't add extra spacing */
.admin-form-container .form-group {
  margin-bottom: 1.5rem;
}

.admin-form-container .form-group:last-child {
  margin-bottom: 0;
}

/* Form grid for two-column layouts */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* Keep the danger zone card styled */
.admin-form-container .card {
  margin: 2rem 0 0 0;
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  background: var(--background-secondary);
}

.admin-form-container .card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0;
}

.admin-form-container .card-body {
  padding: 1.5rem;
}

/* Card spacing within form sections */
.form-main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Comic Pages Grid */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.page-item {
  position: relative;
  border: 2px solid var(--border-light);
  border-radius: 0.5rem;
  background: var(--background);
  padding: 0.5rem;
  cursor: move;
  transition: all 0.2s ease;
}

.page-item:hover {
  border-color: var(--signal-yellow);
  box-shadow: 0 2px 8px var(--black-a10);
}

.page-item img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  border-radius: 0.25rem;
  display: block;
}

.page-remove {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--red-500);
  color: var(--white);
  border: 2px solid white;
  font-size: 14px;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.page-remove:hover {
  background: var(--red-600);
  transform: scale(1.1);
}

.page-number {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--signal-yellow);
  color: var(--white);
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 12px;
  min-width: 20px;
  text-align: center;
  border: 2px solid white;
}

/* Sortable ghost state */
.sortable-ghost {
  opacity: 0.4;
  transform: scale(0.95);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .pages-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
  }
  
  .page-item img {
    height: 60px;
  }
}