/* ========================================
   CSS Variables - Design System
   ======================================== */

:root {
  /* Primary Colors - Blue */
  --color-primary-50: #EBF5FF;
  --color-primary-100: #D6EBFF;
  --color-primary-300: #85C2FF;
  --color-primary-500: #3399FF;
  --color-primary-600: #297ACC;
  --color-primary-700: #1F5C99;

  /* Gray Colors */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;

  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono: 'JetBrains Mono', Consolas, monospace;

  --text-xs: 13px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-md: 18px;
  --text-lg: 20px;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-normal: 1.5;

  /* Spacing */
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 16px;
  --space-4: 24px;
  --space-6: 32px;
  --space-8: 48px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

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

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-normal: 0.15s ease;
  --transition-slow: 0.25s ease;

  /* Icons */
  --icon-xs: 12px;
  --icon-sm: 14px;
  --icon-md: 16px;
  --icon-lg: 20px;
  --icon-xl: 24px;
}

/* Light Theme - Default */
:root,
[data-theme="light"] {
  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --bg-surface: #FFFFFF;
  --bg-hover: rgba(0, 0, 0, 0.05);
  --bg-active: rgba(0, 0, 0, 0.1);

  /* Text */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;

  /* Borders */
  --border-color: #E5E7EB;
  --border-light: #D1D5DB;
}

/* Dark Theme - Chatwoot Compatible (matching Chatwoot's exact colors) */
[data-theme="dark"] {
  /* Backgrounds - Chatwoot uses these exact colors */
  --bg-primary: #25292E;
  /* Main content area */
  --bg-secondary: #1B1F23;
  /* Sidebar/background */
  --bg-tertiary: #2F3338;
  /* Elevated surfaces */
  --bg-surface: #25292E;
  /* Cards/surfaces */
  --bg-hover: rgba(255, 255, 255, 0.06);
  --bg-active: rgba(255, 255, 255, 0.1);

  /* Text */
  --text-primary: #E8EAED;
  --text-secondary: #B8BCBF;
  --text-muted: #8B9198;

  /* Borders */
  --border-color: #3D4149;
  --border-light: #4A525A;

  /* Override base colors for dark mode */
  --color-gray-50: #25292E;
  --color-gray-100: #2F3338;
  --color-gray-200: #3D4149;
  --color-gray-300: #4A525A;
  --color-gray-400: #8B9198;
  --color-gray-500: #B8BCBF;
  --color-gray-600: #D1D5DB;
  --color-gray-700: #E8EAED;
  --color-gray-800: #F3F4F6;
  --color-gray-900: #FFFFFF;

  /* Semantic colors for dark mode - softer, less harsh */
  --color-warning: #E0A82E;
  --color-warning-light: rgba(224, 168, 46, 0.15);
  --color-success-light: rgba(16, 185, 129, 0.15);
  --color-error-light: rgba(239, 68, 68, 0.15);
  --color-info-light: rgba(59, 130, 246, 0.15);

  /* Shadows for dark mode */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}

/* Apply dark theme to body */
[data-theme="dark"] body {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .app__header,
[data-theme="dark"] .app__tabs,
[data-theme="dark"] .app__contact {
  background: var(--bg-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .contact-card {
  background: var(--bg-surface);
  border-color: var(--border-color);
}

[data-theme="dark"] .tab-panel {
  background: var(--bg-secondary);
}

[data-theme="dark"] .btn--ghost,
[data-theme="dark"] .btn--outline {
  color: var(--text-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .btn--ghost:hover,
[data-theme="dark"] .btn--outline:hover {
  background: var(--bg-hover);
}

[data-theme="dark"] .form-input {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .form-input::placeholder {
  color: var(--text-muted);
}

[data-theme="dark"] .modal {
  background: var(--bg-primary);
}

[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .list-item,
[data-theme="dark"] .accordion {
  background: var(--bg-surface);
  border-color: var(--border-color);
}

[data-theme="dark"] .list-item:hover {
  background: var(--bg-hover);
}

[data-theme="dark"] .toast {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

[data-theme="dark"] .badge {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .tabs {
  background: var(--bg-primary);
}

[data-theme="dark"] .tab {
  color: var(--text-muted);
}

[data-theme="dark"] .tab--active,
[data-theme="dark"] .tab:hover {
  color: var(--text-primary);
}

[data-theme="dark"] .filter-chip {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

[data-theme="dark"] .filter-chip--active {
  background: var(--color-primary-600);
  color: white;
}

[data-theme="dark"] .manual-search__item,
[data-theme="dark"] .company-search__item,
[data-theme="dark"] .contact-selection-item {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .manual-search__item:hover,
[data-theme="dark"] .company-search__item:hover,
[data-theme="dark"] .contact-selection-item:hover {
  background: var(--bg-hover);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--border-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* Dark mode - Warning and section styling */
[data-theme="dark"] .contact-card__warning {
  background: rgba(224, 168, 46, 0.12);
  color: #E0A82E;
  border: 1px solid rgba(224, 168, 46, 0.25);
}

[data-theme="dark"] .company-search__results {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .manual-search__results {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .data-table__note td {
  background: rgba(224, 168, 46, 0.08);
}