/* ==========================================================
   Admin Shared Styles — Raudhatul Athfal Sahabat
   Loaded on every admin page (before page-specific CSS)
   ========================================================== */

/* CSS Variables */
:root {
  --admin-primary: #2E7D6F;
  --admin-primary-light: #E0F2EF;
  --admin-secondary: #5C9CE6;
  --admin-secondary-light: #EBF3FC;
  --admin-accent-danger: #E57373;
  --admin-accent-success: #81C784;
  --admin-accent-warning: #FFB74D;
  --admin-bg: #F8F9FA;
  --admin-card: #FFFFFF;
  --admin-sidebar: #2E7D6F;
  --admin-sidebar-hover: #25635A;
  --admin-sidebar-active: #1B4D43;
  --admin-border: #E9ECEF;
  --admin-text: #2D3436;
  --admin-text-secondary: #636E72;
  --admin-text-on-primary: #FFFFFF;
  --admin-sidebar-width: 260px;
  --admin-sidebar-collapsed: 70px;
  --admin-topbar-height: 60px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Fredoka', sans-serif;
  color: var(--admin-text);
  font-weight: 600;
}

body, p, label, td, li, span {
  font-family: 'Nunito', sans-serif;
  color: var(--admin-text-secondary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
p, .text-body { font-size: 0.9rem; }
.text-sm { font-size: 0.8rem; }

body {
  background-color: var(--admin-bg);
  min-height: 100vh;
}

/* ==========================================================
   Layout: Sidebar
   ========================================================== */

.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--admin-sidebar-width);
  height: 100vh;
  background-color: var(--admin-sidebar);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Sidebar Logo */
.sidebar-logo {
  padding: 1.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-logo .logo-text {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--admin-text-on-primary);
  text-decoration: none;
}

.sidebar-logo .logo-subtitle {
  font-family: 'Nunito', sans-serif;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  display: block;
  margin-top: 0.25rem;
}

/* Sidebar Menu Group Label */
.sidebar-group-label {
  font-family: 'Nunito', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  padding: 1rem 1.5rem 0.5rem;
  font-weight: 600;
}

/* Sidebar Menu Items */
.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.sidebar-menu-item {
  margin: 2px 0;
}

.sidebar-menu-item a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: #FFFFFF;
  text-decoration: none;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border-left: 4px solid transparent;
}

.sidebar-menu-item a span,
.sidebar-menu-item a i {
  color: inherit;
}

.sidebar-menu-item a i {
  margin-right: 0.75rem;
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
}

.sidebar-menu-item a:hover {
  background-color: var(--admin-sidebar-hover);
  color: #FFFFFF;
}

.sidebar-menu-item.active a {
  background-color: var(--admin-sidebar-active);
  color: #FFFFFF;
  border-left-color: var(--admin-accent-success);
  font-weight: 600;
}

/* Sidebar Footer (Logout) */
.sidebar-footer {
  padding: 0.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: auto;
}

/* ==========================================================
   Layout: Topbar / Header
   ========================================================== */

.admin-topbar {
  position: fixed;
  top: 0;
  left: var(--admin-sidebar-width);
  right: 0;
  height: var(--admin-topbar-height);
  background-color: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  z-index: 1040;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  transition: all 0.3s ease;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-title {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--admin-text);
  margin: 0;
}

.topbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--admin-text-secondary);
  cursor: pointer;
  padding: 0.25rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-user {
  position: relative;
}

.topbar-user-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--admin-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.topbar-user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  min-width: 180px;
  z-index: 1060;
  display: none;
}

.topbar-user-dropdown.show {
  display: block;
}

.topbar-user-dropdown a {
  display: block;
  padding: 0.6rem 1rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  color: var(--admin-text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.topbar-user-dropdown a:hover {
  background-color: var(--admin-bg);
  color: var(--admin-text);
}

.topbar-user-dropdown a.dropdown-danger:hover {
  background-color: #FFEBEE;
  color: var(--admin-accent-danger);
}

/* ==========================================================
   Layout: Main Content Area
   ========================================================== */

.admin-wrapper {
  margin-left: var(--admin-sidebar-width);
  padding-top: var(--admin-topbar-height);
  min-height: 100vh;
  transition: all 0.3s ease;
}

.admin-content {
  padding: 1.5rem;
}

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1045;
}

.sidebar-overlay.show {
  display: block;
}

/* ==========================================================
   Components: Alerts
   ========================================================== */

.alert-admin-success {
  background: #E8F5E9;
  border-left: 4px solid var(--admin-accent-success);
  color: #2E7D32;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

.alert-admin-error {
  background: #FFEBEE;
  border-left: 4px solid var(--admin-accent-danger);
  color: #C62828;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

.alert-admin-warning {
  background: #FFF8E1;
  border-left: 4px solid var(--admin-accent-warning);
  color: #E65100;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

.alert-admin-info {
  background: var(--admin-secondary-light);
  border-left: 4px solid var(--admin-secondary);
  color: #1565C0;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

/* ==========================================================
   Components: Data Table
   ========================================================== */

.admin-table-wrapper {
  background: var(--admin-card);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.admin-table {
  width: 100%;
  margin: 0;
}

.admin-table thead th {
  background: var(--admin-secondary-light);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--admin-text);
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--admin-border);
}

.admin-table tbody td {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background: var(--admin-primary-light);
}

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

/* Table Toolbar (search + actions) */
.admin-table-toolbar {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table-search {
  position: relative;
  width: 250px;
}

.admin-table-search input {
  width: 100%;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  color: var(--admin-text);
  transition: all 0.3s ease;
}

.admin-table-search input:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 111, 0.15);
}

.admin-table-search input::placeholder {
  color: var(--admin-text-secondary);
  opacity: 0.6;
}

.admin-table-search .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--admin-text-secondary);
  font-size: 0.85rem;
  pointer-events: none;
}

/* Table Footer (filter + pagination) */
.admin-table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--admin-border);
}

.admin-table-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  color: var(--admin-text-secondary);
}

.admin-table-filter select {
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  color: var(--admin-text);
  background: var(--admin-card);
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-table-filter select:focus {
  outline: none;
  border-color: var(--admin-primary);
}

/* Table Pagination */
.admin-table-pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.admin-table-pagination a,
.admin-table-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--admin-text-secondary);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s ease;
  min-width: 32px;
}

.admin-table-pagination a:hover {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
}

.admin-table-pagination .active {
  background: var(--admin-primary);
  color: #FFFFFF;
}

.admin-table-pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* Table Action Buttons */
.table-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-action-view {
  background: var(--admin-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-action-view:hover {
  background: var(--admin-sidebar-hover);
  color: #FFFFFF;
}

.btn-action-edit {
  background: var(--admin-secondary);
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-action-edit:hover {
  background: #4A8BD4;
  color: #FFFFFF;
}

.btn-action-delete {
  background: var(--admin-accent-danger);
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-action-delete:hover {
  background: #D45F5F;
  color: #FFFFFF;
}

/* ==========================================================
   Components: Forms
   ========================================================== */

.admin-form-card {
  background: var(--admin-card);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.admin-form-card .form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.admin-form-card .form-control,
.admin-form-card .form-select {
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-family: 'Nunito', sans-serif;
  color: var(--admin-text);
  transition: all 0.3s ease;
}

.admin-form-card .form-control:focus,
.admin-form-card .form-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 111, 0.15);
}

.admin-form-card .form-text {
  font-size: 0.8rem;
  color: var(--admin-text-secondary);
}

.admin-form-card .form-control.is-invalid {
  border-color: var(--admin-accent-danger);
}

.admin-form-card .invalid-feedback {
  color: var(--admin-accent-danger);
  font-size: 0.8rem;
}

/* File Upload Area */
.admin-file-upload {
  border: 2px dashed var(--admin-border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.admin-file-upload:hover {
  border-color: var(--admin-primary);
  background: var(--admin-primary-light);
}

/* ==========================================================
   Components: Pagination
   ========================================================== */

.admin-pagination .page-link {
  color: var(--admin-text-secondary);
  border: none;
  border-radius: 6px;
  margin: 0 2px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  transition: all 0.2s ease;
}

.admin-pagination .page-link:hover {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
}

.admin-pagination .page-item.active .page-link {
  background: var(--admin-primary);
  color: #FFFFFF;
}

/* ==========================================================
   Components: Empty State
   ========================================================== */

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

.admin-empty-state .empty-icon {
  font-size: 3rem;
  color: var(--admin-border);
  margin-bottom: 1rem;
}

.admin-empty-state h4 {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.1rem;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.admin-empty-state p {
  font-size: 0.9rem;
  color: var(--admin-text-secondary);
  margin-bottom: 1.5rem;
}

/* ==========================================================
   Components: Modal Customization
   ========================================================== */

.modal-content {
  border: none;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.modal-header {
  border-bottom: 1px solid var(--admin-border);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-family: 'Fredoka', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--admin-text);
}

.modal-body {
  padding: 1.5rem;
  font-size: 0.9rem;
  color: var(--admin-text-secondary);
}

.modal-footer {
  border-top: 1px solid var(--admin-border);
  padding: 1rem 1.5rem;
}

/* ==========================================================
   Responsive: Tablet (768px–991px)
   ========================================================== */

@media (max-width: 991px) {
  .admin-sidebar {
    width: var(--admin-sidebar-collapsed);
  }

  .admin-sidebar .sidebar-logo .logo-text,
  .admin-sidebar .sidebar-logo .logo-subtitle,
  .admin-sidebar .sidebar-group-label,
  .admin-sidebar .sidebar-menu-item a span {
    display: none;
  }

  .admin-sidebar .sidebar-logo {
    padding: 1.5rem 0.75rem;
  }

  .admin-sidebar .sidebar-menu-item a {
    justify-content: center;
    padding: 0.75rem;
  }

  .admin-sidebar .sidebar-menu-item a i {
    margin-right: 0;
    font-size: 1.25rem;
  }

  .admin-sidebar .sidebar-menu-item.active a {
    border-left: none;
    border-bottom: 3px solid var(--admin-accent-success);
  }

  .admin-topbar {
    left: var(--admin-sidebar-collapsed);
  }

  .admin-wrapper {
    margin-left: var(--admin-sidebar-collapsed);
  }
}

/* ==========================================================
   Responsive: Mobile (< 768px)
   ========================================================== */

@media (max-width: 767px) {
  .admin-sidebar {
    left: calc(-1 * var(--admin-sidebar-width));
    width: var(--admin-sidebar-width);
  }

  .admin-sidebar.open {
    left: 0;
  }

  .admin-sidebar .sidebar-logo .logo-text,
  .admin-sidebar .sidebar-logo .logo-subtitle,
  .admin-sidebar .sidebar-group-label,
  .admin-sidebar .sidebar-menu-item a span {
    display: inline;
  }

  .admin-sidebar .sidebar-logo {
    padding: 1.5rem;
  }

  .admin-sidebar .sidebar-menu-item a {
    justify-content: flex-start;
    padding: 0.75rem 1.5rem;
  }

  .admin-sidebar .sidebar-menu-item a i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
  }

  .admin-sidebar .sidebar-menu-item.active a {
    border-left: 4px solid var(--admin-accent-success);
    border-bottom: none;
  }

  .admin-topbar {
    left: 0;
  }

  .topbar-toggle {
    display: block;
  }

  .admin-wrapper {
    margin-left: 0;
  }

  .admin-content {
    padding: 1rem;
  }
}

/* Buttons */
.btn-admin-primary {
  background-color: var(--admin-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-admin-primary:hover {
  background-color: var(--admin-sidebar-hover);
  color: #FFFFFF;
}

.btn-admin-secondary {
  background-color: var(--admin-secondary);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-admin-secondary:hover {
  background-color: #4A8BD4;
  color: #FFFFFF;
}

.btn-admin-danger {
  background-color: var(--admin-accent-danger);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-admin-danger:hover {
  background-color: #D45F5F;
  color: #FFFFFF;
}

.btn-admin-outline {
  background-color: transparent;
  color: var(--admin-primary);
  border: 1px solid var(--admin-primary);
  border-radius: 8px;
  padding: 0.6rem 1.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-admin-outline:hover {
  background-color: var(--admin-primary-light);
  color: var(--admin-primary);
}

/* Page Header */
.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.admin-page-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

/* Table Actions */
.table-actions {
  display: flex;
  gap: 0.5rem;
}

/* Responsive Page Header */
@media (max-width: 767px) {
  .admin-page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .admin-page-header h2 {
    font-size: 1.25rem;
  }
}