/**
 * ISRS Admin Portal - Unified Stylesheet
 * ======================================
 * Single source of truth for all admin page styling
 * Ensures consistency across Contacts, Organizations, Conferences,
 * Board Votes, Funding, Settings, and Dashboard pages
 *
 * Created: 2025-01-21
 * Version: 1.0
 */

/* ===========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   =========================================== */
:root {
  /* Brand Colors */
  --admin-primary: #2e5a8a;
  --admin-primary-hover: #234a73;
  --admin-primary-light: #eff6ff;
  --admin-secondary: #4a7ab5;
  --admin-accent: #3fa9b9;

  /* Semantic Colors */
  --admin-success: #10b981;
  --admin-success-bg: #d1fae5;
  --admin-success-text: #065f46;
  --admin-warning: #f59e0b;
  --admin-warning-bg: #fef3c7;
  --admin-warning-text: #92400e;
  --admin-danger: #ef4444;
  --admin-danger-bg: #fee2e2;
  --admin-danger-text: #991b1b;
  --admin-info: #3b82f6;
  --admin-info-bg: #dbeafe;
  --admin-info-text: #1e40af;

  /* Neutral Colors */
  --admin-gray-50: #f9fafb;
  --admin-gray-100: #f3f4f6;
  --admin-gray-200: #e5e7eb;
  --admin-gray-300: #d1d5db;
  --admin-gray-400: #9ca3af;
  --admin-gray-500: #6b7280;
  --admin-gray-600: #4b5563;
  --admin-gray-700: #374151;
  --admin-gray-800: #1f2937;
  --admin-gray-900: #111827;

  /* Typography */
  --admin-font-display: 'Marcellus', Georgia, serif;
  --admin-font-body: 'PT Serif', Georgia, serif;
  --admin-font-mono: 'Monaco', 'Menlo', 'Consolas', monospace;

  /* Font Sizes - Compact Scale */
  --admin-text-xs: 0.6875rem;   /* 11px */
  --admin-text-sm: 0.75rem;     /* 12px */
  --admin-text-base: 0.8125rem; /* 13px */
  --admin-text-md: 0.875rem;    /* 14px */
  --admin-text-lg: 1rem;        /* 16px */
  --admin-text-xl: 1.25rem;     /* 20px */
  --admin-text-2xl: 1.5rem;     /* 24px */
  --admin-text-3xl: 1.875rem;   /* 30px */

  /* Spacing - Compact Scale */
  --admin-space-xs: 0.25rem;    /* 4px */
  --admin-space-sm: 0.375rem;   /* 6px */
  --admin-space-md: 0.5rem;     /* 8px */
  --admin-space-lg: 0.75rem;    /* 12px */
  --admin-space-xl: 1rem;       /* 16px */
  --admin-space-2xl: 1.5rem;    /* 24px */

  /* Border Radius */
  --admin-radius-sm: 4px;
  --admin-radius-md: 6px;
  --admin-radius-lg: 8px;

  /* Shadows */
  --admin-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --admin-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --admin-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --admin-transition: 0.2s ease;

  /* Background & Surface Colors (Light Mode) */
  --admin-bg: var(--admin-gray-50);
  --admin-surface: #ffffff;
  --admin-surface-hover: var(--admin-gray-100);
  --admin-hover: var(--admin-gray-100);
  --admin-border: var(--admin-gray-200);
  --admin-text: var(--admin-gray-900);
  --admin-text-secondary: var(--admin-gray-600);
  --admin-text-muted: var(--admin-gray-500);
  --admin-text-inverse: #ffffff;
  --admin-primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Dark Mode Variables */
.admin-dark-mode {
  --admin-bg: #111827;
  --admin-surface: #1f2937;
  --admin-surface-hover: #374151;
  --admin-border: #4b5563;
  --admin-text: #f9fafb;
  --admin-text-secondary: #e5e7eb;
  --admin-text-muted: #9ca3af;

  /* Inverted gray scale for dark mode */
  --admin-gray-50: #1f2937;
  --admin-gray-100: #374151;
  --admin-gray-200: #4b5563;
  --admin-gray-300: #6b7280;
  --admin-gray-400: #9ca3af;
  --admin-gray-500: #d1d5db;
  --admin-gray-600: #e5e7eb;
  --admin-gray-700: #f3f4f6;
  --admin-gray-800: #f9fafb;
  --admin-gray-900: #ffffff;

  /* Primary colors for dark mode */
  --admin-primary: #60a5fa;
  --admin-primary-hover: #93c5fd;
  --admin-primary-light: #1e3a5f;

  /* Semantic colors with better contrast for dark mode */
  --admin-success-bg: #064e3b;
  --admin-success-text: #6ee7b7;
  --admin-warning-bg: #78350f;
  --admin-warning-text: #fcd34d;
  --admin-danger-bg: #7f1d1d;
  --admin-danger-text: #fca5a5;
  --admin-info-bg: #1e3a8a;
  --admin-info-text: #93c5fd;

  --admin-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --admin-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
  --admin-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.6);

  /* Additional dark mode variables */
  --admin-hover: #374151;
  --admin-text-inverse: #111827;
  --admin-primary-gradient: linear-gradient(135deg, #60a5fa 0%, #8b5cf6 100%);
}

/* Dark mode specific overrides for better visibility */
.admin-dark-mode .admin-table th {
  color: var(--admin-text-muted);
  background: var(--admin-gray-100);
  border-bottom-color: var(--admin-border);
}

.admin-dark-mode .admin-table td {
  color: var(--admin-text);
  border-bottom-color: var(--admin-border);
}

.admin-dark-mode .admin-table tbody tr:hover {
  background: var(--admin-gray-100);
}

.admin-dark-mode .admin-input,
.admin-dark-mode .admin-select,
.admin-dark-mode .admin-textarea {
  background: var(--admin-gray-100);
  border-color: var(--admin-border);
  color: var(--admin-text);
}

.admin-dark-mode .admin-input:focus,
.admin-dark-mode .admin-select:focus,
.admin-dark-mode .admin-textarea:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

.admin-dark-mode .admin-input::placeholder {
  color: var(--admin-text-muted);
}

/* Dark mode badges with better visibility */
.admin-dark-mode .admin-badge-success,
.admin-dark-mode .admin-badge-active,
.admin-dark-mode .admin-badge-paid,
.admin-dark-mode .admin-badge-passed {
  background: #065f46;
  color: #6ee7b7;
}

.admin-dark-mode .admin-badge-warning,
.admin-dark-mode .admin-badge-pending,
.admin-dark-mode .admin-badge-in-progress,
.admin-dark-mode .admin-badge-contacted {
  background: #78350f;
  color: #fcd34d;
}

.admin-dark-mode .admin-badge-danger,
.admin-dark-mode .admin-badge-inactive,
.admin-dark-mode .admin-badge-failed,
.admin-dark-mode .admin-badge-declined {
  background: #7f1d1d;
  color: #fca5a5;
}

.admin-dark-mode .admin-badge-info,
.admin-dark-mode .admin-badge-committed,
.admin-dark-mode .admin-badge-new {
  background: #1e3a8a;
  color: #93c5fd;
}

.admin-dark-mode .admin-badge-neutral,
.admin-dark-mode .admin-badge-draft {
  background: var(--admin-gray-200);
  color: var(--admin-text);
}

/* Dark mode buttons */
.admin-dark-mode .admin-btn-secondary {
  background: var(--admin-gray-100);
  border-color: var(--admin-border);
  color: var(--admin-text);
}

.admin-dark-mode .admin-btn-secondary:hover {
  background: var(--admin-gray-200);
}

/* Dark mode links */
.admin-dark-mode a {
  color: var(--admin-primary);
}

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

/* Dark mode page header */
.admin-dark-mode .admin-page-header h1 {
  color: var(--admin-text);
}

/* Dark mode card footer/stats */
.admin-dark-mode .admin-card-footer {
  background: var(--admin-gray-100);
  border-top-color: var(--admin-border);
}

/* Dark mode checkbox */
.admin-dark-mode .admin-checkbox {
  border-color: var(--admin-border);
  background: var(--admin-gray-100);
}

/* Dark mode toolbar */
.admin-dark-mode .admin-toolbar {
  background: var(--admin-surface);
  border-bottom-color: var(--admin-border);
}

/* Dark mode dropdowns */
.admin-dark-mode .export-dropdown-content,
.admin-dark-mode .dropdown-content,
.admin-dark-mode .admin-dropdown-menu {
  background: #1f2937 !important;
  border-color: #4b5563 !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5) !important;
}

.admin-dark-mode .export-dropdown-content a,
.admin-dark-mode .dropdown-content a,
.admin-dark-mode .admin-dropdown-menu a,
.admin-dark-mode .admin-dropdown-menu button,
.admin-dark-mode .admin-dropdown-item {
  color: #f9fafb !important;
  background: transparent !important;
}

.admin-dark-mode .export-dropdown-content a:hover,
.admin-dark-mode .dropdown-content a:hover,
.admin-dark-mode .admin-dropdown-menu a:hover,
.admin-dark-mode .admin-dropdown-menu button:hover,
.admin-dark-mode .admin-dropdown-item:hover {
  background: #374151 !important;
  color: #ffffff !important;
}

.admin-dark-mode .admin-dropdown-menu div {
  color: #9ca3af !important;
  border-bottom-color: #4b5563 !important;
}

/* Dark mode type badges */
.admin-dark-mode .type-academic { background: #1e3a5f !important; color: #93c5fd !important; }
.admin-dark-mode .type-government { background: #064e3b !important; color: #6ee7b7 !important; }
.admin-dark-mode .type-nonprofit { background: #78350f !important; color: #fcd34d !important; }
.admin-dark-mode .type-private { background: #4c1d95 !important; color: #c4b5fd !important; }
.admin-dark-mode .type-tribal { background: #7c2d12 !important; color: #fdba74 !important; }

/* Dark mode priority badges */
.admin-dark-mode .priority-high { background: #7f1d1d !important; color: #fca5a5 !important; }
.admin-dark-mode .priority-medium { background: #78350f !important; color: #fcd34d !important; }
.admin-dark-mode .priority-low { background: #374151 !important; color: #9ca3af !important; }

/* Dark mode tags */
.admin-dark-mode .tag {
  background: #374151 !important;
  color: #e5e7eb !important;
}

.admin-dark-mode .tag-more {
  background: #4b5563 !important;
  color: #9ca3af !important;
}

/* Dark mode stats bar */
.admin-dark-mode .stats-bar {
  background: #1f2937 !important;
  border-top-color: #4b5563 !important;
  color: #e5e7eb !important;
}

/* Dark mode pagination */
.admin-dark-mode .admin-pagination {
  background: #1f2937 !important;
  border-top-color: #4b5563 !important;
}

.admin-dark-mode .admin-pagination-info {
  color: #e5e7eb !important;
}

/* Dark mode bulk actions */
.admin-dark-mode .bulk-actions {
  background: #1e3a5f !important;
  border-bottom-color: #3b82f6 !important;
}

.admin-dark-mode .bulk-actions-count {
  color: #93c5fd !important;
}

/* Dark mode file upload area */
.admin-dark-mode .file-upload-area {
  background: #374151 !important;
  border-color: #4b5563 !important;
}

.admin-dark-mode .file-upload-area:hover {
  background: #1e3a5f !important;
  border-color: #60a5fa !important;
}

.admin-dark-mode .file-upload-text {
  color: #9ca3af !important;
}

/* Dark mode field mapping */
.admin-dark-mode .field-mapping-row {
  background: #374151 !important;
}

/* Dark mode duplicate/merge modals */
.admin-dark-mode .duplicate-group,
.admin-dark-mode .duplicate-contact {
  background: #374151 !important;
  border-color: #4b5563 !important;
}

.admin-dark-mode .duplicate-group-header {
  color: #60a5fa !important;
}

/* Dark mode Claude AI button */
.admin-dark-mode .ai-query-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* Dark mode modal */
.admin-dark-mode .admin-modal {
  background: var(--admin-surface);
}

.admin-dark-mode .admin-modal-header {
  border-bottom-color: var(--admin-border);
}

.admin-dark-mode .admin-modal-footer {
  background: var(--admin-gray-100);
  border-top-color: var(--admin-border);
}

/* Dark mode quality bar */
.admin-dark-mode .quality-bar {
  background: var(--admin-gray-200);
}

/* Dark mode tags */
.admin-dark-mode .tag {
  background: var(--admin-gray-200);
  color: var(--admin-text);
}

/* ===========================================
   BASE RESET & DEFAULTS
   =========================================== */
.admin-page * {
  box-sizing: border-box;
}

.admin-page {
  font-family: var(--admin-font-body);
  font-size: var(--admin-text-base);
  line-height: 1.5;
  color: var(--admin-text);
  background: var(--admin-bg);
  transition: background 0.3s, color 0.3s;
}

/* ===========================================
   TYPOGRAPHY
   =========================================== */
.admin-page h1,
.admin-page h2,
.admin-page h3,
.admin-page h4 {
  font-family: var(--admin-font-display);
  font-weight: 400;
  color: var(--admin-primary);
  margin: 0;
  line-height: 1.3;
}

.admin-page h1 { font-size: var(--admin-text-2xl); }
.admin-page h2 { font-size: var(--admin-text-xl); }
.admin-page h3 { font-size: var(--admin-text-lg); }
.admin-page h4 { font-size: var(--admin-text-md); }

.admin-page p {
  margin: 0 0 var(--admin-space-lg);
  color: var(--admin-gray-700);
}

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

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

/* ===========================================
   PAGE HEADER
   =========================================== */
.admin-page-header {
  padding: var(--admin-space-md) var(--admin-space-xl);
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--admin-space-md);
}

.admin-page-header h1 {
  font-size: var(--admin-text-2xl);
  margin: 0;
  color: var(--admin-text);
}

.admin-page-header-actions {
  display: flex;
  gap: var(--admin-space-md);
  align-items: center;
  flex-wrap: wrap;
}

/* ===========================================
   TOOLBAR / FILTER BAR
   =========================================== */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: var(--admin-space-sm);
  padding: var(--admin-space-sm) var(--admin-space-xl);
  background: var(--admin-surface-hover);
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
}

.admin-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--admin-space-sm);
  flex: 1;
  flex-wrap: wrap;
}

.admin-toolbar-left .admin-search {
  flex: 1;
  min-width: 200px;
  max-width: none;
}

.admin-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--admin-space-sm);
  flex-shrink: 0;
}

/* ===========================================
   BUTTONS
   =========================================== */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--admin-space-xs);
  padding: var(--admin-space-sm) var(--admin-space-lg);
  font-family: var(--admin-font-body);
  font-size: var(--admin-text-sm);
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--admin-radius-sm);
  cursor: pointer;
  transition: all var(--admin-transition);
  text-decoration: none;
  white-space: nowrap;
}

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

/* Button Variants */
.admin-btn-primary {
  background: var(--admin-primary);
  color: white;
  border-color: var(--admin-primary);
}

.admin-btn-primary:hover:not(:disabled) {
  background: var(--admin-primary-hover);
  border-color: var(--admin-primary-hover);
}

.admin-btn-secondary {
  background: var(--admin-surface);
  color: var(--admin-gray-700);
  border-color: var(--admin-gray-300);
}

.admin-btn-secondary:hover:not(:disabled) {
  background: var(--admin-gray-50);
  border-color: var(--admin-gray-400);
}

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

.admin-btn-success:hover:not(:disabled) {
  background: #059669;
  border-color: #059669;
}

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

.admin-btn-danger:hover:not(:disabled) {
  background: #dc2626;
  border-color: #dc2626;
}

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

.admin-btn-warning:hover:not(:disabled) {
  background: #d97706;
  border-color: #d97706;
}

.admin-btn-ghost {
  background: transparent;
  color: var(--admin-gray-600);
  border-color: transparent;
}

.admin-btn-ghost:hover:not(:disabled) {
  background: var(--admin-gray-100);
  color: var(--admin-gray-800);
}

/* Button Sizes */
.admin-btn-xs {
  padding: var(--admin-space-xs) var(--admin-space-md);
  font-size: var(--admin-text-xs);
}

.admin-btn-sm {
  padding: var(--admin-space-xs) var(--admin-space-md);
  font-size: var(--admin-text-sm);
}

.admin-btn-lg {
  padding: var(--admin-space-md) var(--admin-space-xl);
  font-size: var(--admin-text-md);
}

/* Icon-only button */
.admin-btn-icon {
  padding: var(--admin-space-sm);
  width: 32px;
  height: 32px;
}

/* ===========================================
   FORM ELEMENTS
   =========================================== */
.admin-input,
.admin-select,
.admin-textarea {
  font-family: var(--admin-font-body);
  font-size: var(--admin-text-sm);
  padding: var(--admin-space-sm) var(--admin-space-md);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  background: var(--admin-surface);
  color: var(--admin-text);
  transition: border-color var(--admin-transition), box-shadow var(--admin-transition);
}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(46, 90, 138, 0.1);
}

.admin-input::placeholder {
  color: var(--admin-gray-400);
}

/* Search Box */
.admin-search {
  min-width: 200px;
  max-width: 350px;
  flex: 1;
}

/* Select Dropdown */
.admin-select {
  min-width: 120px;
  cursor: pointer;
}

/* Textarea */
.admin-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Form Group */
.admin-form-group {
  margin-bottom: var(--admin-space-lg);
}

.admin-form-label {
  display: block;
  margin-bottom: var(--admin-space-xs);
  font-size: var(--admin-text-sm);
  font-weight: 600;
  color: var(--admin-gray-700);
}

.admin-form-help {
  margin-top: var(--admin-space-xs);
  font-size: var(--admin-text-xs);
  color: var(--admin-gray-500);
}

/* Checkbox & Radio */
.admin-checkbox-group,
.admin-radio-group {
  display: flex;
  align-items: center;
  gap: var(--admin-space-md);
}

.admin-checkbox,
.admin-radio {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ===========================================
   TABLES
   =========================================== */
.admin-table-wrapper {
  overflow-x: auto;
  background: var(--admin-surface);
  border-radius: var(--admin-radius-md);
  box-shadow: var(--admin-shadow-sm);
  border: 1px solid var(--admin-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--admin-text-sm);
}

.admin-table thead {
  background: var(--admin-gray-50);
  position: sticky;
  top: 0;
  z-index: 10;
}

.admin-table th {
  padding: var(--admin-space-sm) var(--admin-space-md);
  text-align: left;
  font-family: var(--admin-font-body);
  font-weight: 600;
  font-size: var(--admin-text-xs);
  color: var(--admin-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--admin-gray-200);
  white-space: nowrap;
}

.admin-table td {
  padding: var(--admin-space-sm) var(--admin-space-md);
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-text);
  vertical-align: middle;
}

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

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

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

/* Sortable Headers */
.admin-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.admin-table th.sortable:hover {
  background: var(--admin-gray-100);
}

.admin-table .sort-indicator {
  display: inline-block;
  margin-left: var(--admin-space-xs);
  opacity: 0.3;
  font-size: var(--admin-text-xs);
  color: var(--admin-gray-400);
}

.admin-table th.sort-asc .sort-indicator,
.admin-table th.sort-desc .sort-indicator {
  opacity: 1;
  color: var(--admin-primary);
}

/* Table Action Buttons */
.admin-table .actions {
  display: flex;
  gap: var(--admin-space-xs);
  justify-content: flex-end;
}

/* ===========================================
   STATUS BADGES
   =========================================== */
.admin-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--admin-space-xs) var(--admin-space-md);
  font-size: var(--admin-text-xs);
  font-weight: 500;
  border-radius: 9999px;
  white-space: nowrap;
}

/* Status Colors - Universal */
.admin-badge-success,
.admin-badge-active,
.admin-badge-paid,
.admin-badge-passed,
.admin-badge-received,
.admin-badge-approved {
  background: var(--admin-success-bg);
  color: var(--admin-success-text);
}

.admin-badge-warning,
.admin-badge-pending,
.admin-badge-in-progress,
.admin-badge-contacted {
  background: var(--admin-warning-bg);
  color: var(--admin-warning-text);
}

.admin-badge-danger,
.admin-badge-inactive,
.admin-badge-failed,
.admin-badge-declined,
.admin-badge-rejected {
  background: var(--admin-danger-bg);
  color: var(--admin-danger-text);
}

.admin-badge-info,
.admin-badge-committed,
.admin-badge-new {
  background: var(--admin-info-bg);
  color: var(--admin-info-text);
}

.admin-badge-neutral,
.admin-badge-draft {
  background: var(--admin-gray-100);
  color: var(--admin-gray-600);
}

/* ===========================================
   CARDS
   =========================================== */
.admin-card {
  background: var(--admin-surface);
  border-radius: var(--admin-radius-md);
  box-shadow: var(--admin-shadow-sm);
  overflow: hidden;
  border: 1px solid var(--admin-border);
}

.admin-card-header {
  padding: var(--admin-space-lg) var(--admin-space-xl);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-card-header h2,
.admin-card-header h3 {
  margin: 0;
  color: var(--admin-text);
}

.admin-card-body {
  padding: var(--admin-space-xl);
}

.admin-card-footer {
  padding: var(--admin-space-lg) var(--admin-space-xl);
  border-top: 1px solid var(--admin-border);
  background: var(--admin-surface-hover);
}

/* ===========================================
   MODALS
   =========================================== */
.admin-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.admin-modal-overlay.active {
  display: flex;
}

.admin-modal {
  background: var(--admin-surface);
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.admin-modal-header {
  padding: var(--admin-space-lg) var(--admin-space-xl);
  border-bottom: 1px solid var(--admin-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-modal-header h2 {
  font-size: var(--admin-text-xl);
  margin: 0;
}

.admin-modal-close {
  background: none;
  border: none;
  font-size: var(--admin-text-xl);
  color: var(--admin-gray-400);
  cursor: pointer;
  padding: var(--admin-space-xs);
  line-height: 1;
  transition: color var(--admin-transition);
}

.admin-modal-close:hover {
  color: var(--admin-gray-800);
}

.admin-modal-body {
  padding: var(--admin-space-xl);
  overflow-y: auto;
  flex: 1;
}

.admin-modal-footer {
  padding: var(--admin-space-lg) var(--admin-space-xl);
  border-top: 1px solid var(--admin-gray-200);
  background: var(--admin-gray-50);
  display: flex;
  justify-content: flex-end;
  gap: var(--admin-space-md);
}

/* ===========================================
   DROPDOWNS
   =========================================== */
.admin-dropdown {
  position: relative;
  display: inline-block;
}

.admin-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--admin-space-xs);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-md);
  box-shadow: var(--admin-shadow-lg);
  min-width: 160px;
  z-index: 100;
  overflow: hidden;
}

.admin-dropdown-menu.active {
  display: block;
}

.admin-dropdown-item {
  display: block;
  width: 100%;
  padding: var(--admin-space-md) var(--admin-space-lg);
  font-size: var(--admin-text-sm);
  color: var(--admin-gray-700);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--admin-transition);
}

.admin-dropdown-item:hover {
  background: var(--admin-gray-50);
}

.admin-dropdown-divider {
  height: 1px;
  background: var(--admin-gray-200);
  margin: var(--admin-space-xs) 0;
}

/* ===========================================
   ALERTS / NOTIFICATIONS
   =========================================== */
.admin-alert {
  padding: var(--admin-space-lg);
  border-radius: var(--admin-radius-md);
  font-size: var(--admin-text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--admin-space-md);
}

.admin-alert-success {
  background: var(--admin-success-bg);
  color: var(--admin-success-text);
  border: 1px solid var(--admin-success);
}

.admin-alert-warning {
  background: var(--admin-warning-bg);
  color: var(--admin-warning-text);
  border: 1px solid var(--admin-warning);
}

.admin-alert-danger {
  background: var(--admin-danger-bg);
  color: var(--admin-danger-text);
  border: 1px solid var(--admin-danger);
}

.admin-alert-info {
  background: var(--admin-info-bg);
  color: var(--admin-info-text);
  border: 1px solid var(--admin-info);
}

/* ===========================================
   LOADING STATES
   =========================================== */
.admin-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--admin-space-2xl);
  color: var(--admin-gray-500);
  font-size: var(--admin-text-sm);
}

.admin-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--admin-gray-200);
  border-top-color: var(--admin-primary);
  border-radius: 50%;
  animation: admin-spin 0.8s linear infinite;
  margin-right: var(--admin-space-md);
}

@keyframes admin-spin {
  to { transform: rotate(360deg); }
}

/* ===========================================
   EMPTY STATES
   =========================================== */
.admin-empty {
  text-align: center;
  padding: var(--admin-space-2xl);
  color: var(--admin-gray-500);
}

.admin-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--admin-space-lg);
  opacity: 0.5;
}

.admin-empty-title {
  font-size: var(--admin-text-lg);
  font-weight: 600;
  color: var(--admin-gray-700);
  margin-bottom: var(--admin-space-sm);
}

.admin-empty-text {
  font-size: var(--admin-text-sm);
  margin-bottom: var(--admin-space-lg);
}

/* ===========================================
   PAGINATION
   =========================================== */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--admin-space-lg) var(--admin-space-xl);
  background: var(--admin-surface);
  border-top: 1px solid var(--admin-border);
}

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

.admin-pagination-controls {
  display: flex;
  gap: var(--admin-space-xs);
}

/* ===========================================
   STAT CARDS / METRICS
   =========================================== */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--admin-space-lg);
  padding: var(--admin-space-xl);
}

.admin-stat-card {
  background: var(--admin-surface);
  border-radius: var(--admin-radius-md);
  padding: var(--admin-space-xl);
  box-shadow: var(--admin-shadow-sm);
  border: 1px solid var(--admin-border);
}

.admin-stat-label {
  font-size: var(--admin-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-text-muted);
  margin-bottom: var(--admin-space-sm);
}

.admin-stat-value {
  font-family: var(--admin-font-display);
  font-size: var(--admin-text-2xl);
  font-weight: 700;
  color: var(--admin-text);
}

.admin-stat-change {
  font-size: var(--admin-text-xs);
  margin-top: var(--admin-space-sm);
}

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

.admin-stat-change.negative {
  color: var(--admin-danger);
}

/* ===========================================
   TABS
   =========================================== */
.admin-tabs {
  display: flex;
  border-bottom: 1px solid var(--admin-border);
  background: var(--admin-surface);
}

.admin-tab {
  padding: var(--admin-space-lg) var(--admin-space-xl);
  font-size: var(--admin-text-sm);
  font-weight: 500;
  color: var(--admin-gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--admin-transition);
}

.admin-tab:hover {
  color: var(--admin-gray-700);
}

.admin-tab.active {
  color: var(--admin-primary);
  border-bottom-color: var(--admin-primary);
}

/* ===========================================
   AI ASSISTANT BUTTON (Sidebar)
   =========================================== */
.admin-ai-tab {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}

.admin-ai-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--admin-space-xs);
  padding: var(--admin-space-lg) var(--admin-space-md);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: var(--admin-radius-md) 0 0 var(--admin-radius-md);
  cursor: pointer;
  font-size: var(--admin-text-sm);
  font-weight: 500;
  box-shadow: var(--admin-shadow-lg);
  transition: all var(--admin-transition);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.admin-ai-tab-btn:hover {
  padding-right: var(--admin-space-lg);
}

.admin-ai-tab-icon {
  font-size: 1.25rem;
  writing-mode: horizontal-tb;
}

/* ===========================================
   FEEDBACK BUTTON
   =========================================== */
.admin-feedback-btn {
  position: fixed;
  top: 50%;
  right: 0;
  z-index: 10001;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-accent) 100%);
  color: white;
  border: none;
  border-radius: 8px 8px 0 0;
  padding: var(--admin-space-md) var(--admin-space-xl);
  font-family: var(--admin-font-body);
  font-size: var(--admin-text-sm);
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 -2px 12px rgba(46, 90, 138, 0.3);
  transition: background var(--admin-transition), box-shadow var(--admin-transition);
  display: flex;
  align-items: center;
  gap: var(--admin-space-md);
  transform: rotate(-90deg) translateX(50%);
  transform-origin: right bottom;
}

.admin-feedback-btn:hover {
  background: linear-gradient(135deg, var(--admin-accent) 0%, var(--admin-primary) 100%);
  box-shadow: 0 -2px 16px rgba(46, 90, 138, 0.4);
}

/* ===========================================
   CONTENT AREA
   =========================================== */
.admin-content {
  padding: 0;
  min-height: calc(100vh - 60px);
}

.admin-content-padded {
  padding: 1.25rem 1rem;
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */
.admin-text-center { text-align: center; }
.admin-text-right { text-align: right; }
.admin-text-left { text-align: left; }

.admin-text-muted { color: var(--admin-gray-500); }
.admin-text-success { color: var(--admin-success); }
.admin-text-danger { color: var(--admin-danger); }
.admin-text-warning { color: var(--admin-warning); }

.admin-font-bold { font-weight: 700; }
.admin-font-medium { font-weight: 500; }

.admin-mb-0 { margin-bottom: 0; }
.admin-mb-sm { margin-bottom: var(--admin-space-sm); }
.admin-mb-md { margin-bottom: var(--admin-space-md); }
.admin-mb-lg { margin-bottom: var(--admin-space-lg); }

.admin-mt-0 { margin-top: 0; }
.admin-mt-sm { margin-top: var(--admin-space-sm); }
.admin-mt-md { margin-top: var(--admin-space-md); }
.admin-mt-lg { margin-top: var(--admin-space-lg); }

.admin-flex { display: flex; }
.admin-flex-col { flex-direction: column; }
.admin-items-center { align-items: center; }
.admin-justify-between { justify-content: space-between; }
.admin-gap-sm { gap: var(--admin-space-sm); }
.admin-gap-md { gap: var(--admin-space-md); }
.admin-gap-lg { gap: var(--admin-space-lg); }

.admin-hidden { display: none !important; }
.admin-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===========================================
   RESPONSIVE ADJUSTMENTS
   =========================================== */

/* Tablet breakpoint */
@media (max-width: 1024px) {
  .admin-content-padded {
    padding: var(--admin-space-lg);
  }

  .admin-page-header {
    flex-direction: column;
    gap: var(--admin-space-lg);
    align-items: flex-start;
  }

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

  .admin-toolbar {
    flex-wrap: wrap;
    gap: var(--admin-space-md);
  }

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

/* Mobile breakpoint */
@media (max-width: 768px) {
  .admin-page-header {
    padding: var(--admin-space-lg);
  }

  .admin-page-header h1 {
    font-size: var(--admin-text-xl);
  }

  .admin-toolbar {
    padding: var(--admin-space-md);
    flex-direction: column;
    align-items: stretch;
  }

  .admin-toolbar-left,
  .admin-toolbar-right {
    width: 100%;
    flex-wrap: wrap;
  }

  .admin-toolbar .admin-input,
  .admin-toolbar .admin-select {
    width: 100%;
    min-width: unset;
  }

  .admin-stats-grid {
    grid-template-columns: 1fr;
    padding: var(--admin-space-lg);
  }

  .admin-modal {
    width: 95%;
    max-height: 95vh;
    margin: var(--admin-space-md);
  }

  .admin-modal-body {
    padding: var(--admin-space-lg);
  }

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

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

  /* Hide less important columns on mobile */
  .admin-table .col-priority,
  .admin-table .col-quality,
  .admin-table .col-tags {
    display: none;
  }

  /* Stack buttons in bulk actions */
  .bulk-actions {
    flex-wrap: wrap;
    gap: var(--admin-space-sm);
  }

  .bulk-actions .admin-btn {
    flex: 1 1 auto;
    min-width: 120px;
  }

  /* Pagination mobile */
  .admin-pagination {
    flex-direction: column;
    gap: var(--admin-space-md);
    text-align: center;
  }

  /* Form rows stack on mobile */
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .admin-content-padded {
    padding: var(--admin-space-md);
  }

  .admin-page-header h1 {
    font-size: var(--admin-text-lg);
  }

  .admin-btn {
    padding: var(--admin-space-sm) var(--admin-space-md);
    font-size: var(--admin-text-xs);
  }

  .admin-stat-card {
    padding: var(--admin-space-md);
  }

  .admin-stat-value {
    font-size: var(--admin-text-xl);
  }

  /* Hide even more columns */
  .admin-table .col-country,
  .admin-table .col-type {
    display: none;
  }
}