/* Theme System - CSS Variables for Light and Dark Modes */

/* Light Theme (default) */
:root {
  /* Background colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f3f4f6;
  --bg-tertiary: #e5e7eb;
  --bg-hover: #f9fafb;

  /* Text colors */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-tertiary: #6b7280;
  --text-muted: #9ca3af;

  /* Border colors */
  --border-primary: #e5e7eb;
  --border-secondary: #d1d5db;
  --border-focus: #3b82f6;

  /* Accent colors */
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-success-hover: #059669;
  --accent-warning: #f59e0b;
  --accent-warning-hover: #d97706;
  --accent-danger: #ef4444;
  --accent-danger-hover: #dc2626;

  /* Card/Panel colors */
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --card-shadow: rgba(0, 0, 0, 0.1);

  /* Input colors */
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-text: #111827;
  --input-placeholder: #9ca3af;
  --input-focus-ring: rgba(59, 130, 246, 0.5);

  /* Code/Pre colors */
  --code-bg: #f3f4f6;
  --code-text: #1f2937;
  --code-border: #e5e7eb;

  /* Scrollbar colors */
  --scrollbar-track: #f3f4f6;
  --scrollbar-thumb: #d1d5db;
  --scrollbar-thumb-hover: #9ca3af;

  /* Modal/Overlay colors */
  --overlay-bg: rgba(0, 0, 0, 0.5);
  --modal-bg: #ffffff;

  /* Shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Status colors */
  --status-success-bg: #d1fae5;
  --status-success-text: #065f46;
  --status-warning-bg: #fef3c7;
  --status-warning-text: #92400e;
  --status-error-bg: #fee2e2;
  --status-error-text: #991b1b;
  --status-info-bg: #dbeafe;
  --status-info-text: #1e40af;
}

/* Dark Theme */
[data-theme="dark"] {
  /* Background colors */
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --bg-hover: #1f2937;

  /* Text colors */
  --text-primary: #f9fafb;
  --text-secondary: #e5e7eb;
  --text-tertiary: #9ca3af;
  --text-muted: #6b7280;

  /* Border colors */
  --border-primary: #374151;
  --border-secondary: #4b5563;
  --border-focus: #60a5fa;

  /* Accent colors */
  --accent-primary: #60a5fa;
  --accent-primary-hover: #3b82f6;
  --accent-success: #34d399;
  --accent-success-hover: #10b981;
  --accent-warning: #fbbf24;
  --accent-warning-hover: #f59e0b;
  --accent-danger: #f87171;
  --accent-danger-hover: #ef4444;

  /* Card/Panel colors */
  --card-bg: #1f2937;
  --card-border: #374151;
  --card-shadow: rgba(0, 0, 0, 0.3);

  /* Input colors */
  --input-bg: #1f2937;
  --input-border: #4b5563;
  --input-text: #f9fafb;
  --input-placeholder: #6b7280;
  --input-focus-ring: rgba(96, 165, 250, 0.5);

  /* Code/Pre colors */
  --code-bg: #1f2937;
  --code-text: #e5e7eb;
  --code-border: #374151;

  /* Scrollbar colors */
  --scrollbar-track: #1f2937;
  --scrollbar-thumb: #4b5563;
  --scrollbar-thumb-hover: #6b7280;

  /* Modal/Overlay colors */
  --overlay-bg: rgba(0, 0, 0, 0.7);
  --modal-bg: #1f2937;

  /* Shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);

  /* Status colors */
  --status-success-bg: #064e3b;
  --status-success-text: #6ee7b7;
  --status-warning-bg: #78350f;
  --status-warning-text: #fcd34d;
  --status-error-bg: #7f1d1d;
  --status-error-text: #fca5a5;
  --status-info-bg: #1e3a8a;
  --status-info-text: #93c5fd;
}

/* Base theme styles */
body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Common element overrides for theme support */
.theme-bg-primary { background-color: var(--bg-primary) !important; }
.theme-bg-secondary { background-color: var(--bg-secondary) !important; }
.theme-bg-tertiary { background-color: var(--bg-tertiary) !important; }
.theme-text-primary { color: var(--text-primary) !important; }
.theme-text-secondary { color: var(--text-secondary) !important; }
.theme-text-tertiary { color: var(--text-tertiary) !important; }
.theme-border { border-color: var(--border-primary) !important; }

/* Card styling */
.theme-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-md);
}

/* Input styling */
.theme-input {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--input-text);
}

.theme-input::placeholder {
  color: var(--input-placeholder);
}

.theme-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

/* Button styling */
.theme-btn-primary {
  background-color: var(--accent-primary);
  color: white;
}

.theme-btn-primary:hover {
  background-color: var(--accent-primary-hover);
}

.theme-btn-success {
  background-color: var(--accent-success);
  color: white;
}

.theme-btn-success:hover {
  background-color: var(--accent-success-hover);
}

.theme-btn-danger {
  background-color: var(--accent-danger);
  color: white;
}

.theme-btn-danger:hover {
  background-color: var(--accent-danger-hover);
}

/* Code blocks */
.theme-code {
  background-color: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--code-border);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Theme toggle button styles */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  background: transparent;
  border: none;
  color: inherit;
  transition: background-color 0.2s ease;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Sun icon (visible in dark mode) */
.theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

/* Moon icon (visible in light mode) */
.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

/* Transition for theme change */
* {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* Disable transitions during theme change to prevent flash */
.theme-transitioning * {
  transition: none !important;
}

/* =================================
   Tailwind CSS Dark Mode Overrides
   ================================= */

/* Background color overrides */
[data-theme="dark"] .bg-white {
  background-color: var(--bg-primary) !important;
}

[data-theme="dark"] .bg-gray-50 {
  background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .bg-gray-100 {
  background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .bg-gray-200 {
  background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] .bg-gray-300 {
  background-color: #4b5563 !important;
}

/* Text color overrides */
[data-theme="dark"] .text-gray-900,
[data-theme="dark"] .text-gray-800 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .text-gray-700 {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .text-gray-600 {
  color: var(--text-tertiary) !important;
}

[data-theme="dark"] .text-gray-500 {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .text-gray-400 {
  color: #9ca3af !important;
}

/* Border color overrides */
[data-theme="dark"] .border-gray-200,
[data-theme="dark"] .border-gray-300 {
  border-color: var(--border-primary) !important;
}

[data-theme="dark"] .border-gray-400 {
  border-color: var(--border-secondary) !important;
}

[data-theme="dark"] .divide-gray-200 > * + * {
  border-color: var(--border-primary) !important;
}

/* Ring color overrides */
[data-theme="dark"] .ring-gray-200,
[data-theme="dark"] .ring-gray-300 {
  --tw-ring-color: var(--border-primary) !important;
}

/* Shadow overrides for dark mode */
[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow,
[data-theme="dark"] .shadow-md,
[data-theme="dark"] .shadow-lg {
  --tw-shadow-color: rgba(0, 0, 0, 0.4) !important;
}

/* Placeholder color overrides */
[data-theme="dark"] .placeholder-gray-400::placeholder,
[data-theme="dark"] .placeholder-gray-500::placeholder {
  color: var(--text-muted) !important;
}

/* Focus ring adjustments */
[data-theme="dark"] .focus\:ring-blue-500:focus {
  --tw-ring-color: var(--accent-primary) !important;
}

[data-theme="dark"] .focus\:border-blue-500:focus {
  border-color: var(--accent-primary) !important;
}

/* Hover state overrides */
[data-theme="dark"] .hover\:bg-gray-50:hover {
  background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] .hover\:bg-gray-100:hover {
  background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] .hover\:bg-gray-200:hover {
  background-color: #4b5563 !important;
}

/* Table overrides */
[data-theme="dark"] thead {
  background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] tbody tr:nth-child(even) {
  background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] th,
[data-theme="dark"] td {
  border-color: var(--border-primary) !important;
}

/* Form element overrides */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background-color: var(--input-bg) !important;
  border-color: var(--input-border) !important;
  color: var(--input-text) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--input-placeholder) !important;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px var(--input-focus-ring) !important;
}

/* Button primary colors stay mostly the same but adjust for dark mode */
[data-theme="dark"] .bg-blue-500 {
  background-color: var(--accent-primary) !important;
}

[data-theme="dark"] .bg-blue-600 {
  background-color: var(--accent-primary) !important;
}

[data-theme="dark"] .hover\:bg-blue-700:hover {
  background-color: var(--accent-primary-hover) !important;
}

[data-theme="dark"] .bg-green-500 {
  background-color: var(--accent-success) !important;
}

[data-theme="dark"] .bg-green-600 {
  background-color: var(--accent-success) !important;
}

[data-theme="dark"] .hover\:bg-green-700:hover {
  background-color: var(--accent-success-hover) !important;
}

[data-theme="dark"] .bg-red-500 {
  background-color: var(--accent-danger) !important;
}

[data-theme="dark"] .bg-red-600 {
  background-color: var(--accent-danger) !important;
}

[data-theme="dark"] .hover\:bg-red-700:hover {
  background-color: var(--accent-danger-hover) !important;
}

[data-theme="dark"] .bg-yellow-500 {
  background-color: var(--accent-warning) !important;
}

/* Navbar overrides - for pages with colored navbars */
[data-theme="dark"] nav.bg-blue-600,
[data-theme="dark"] nav.bg-blue-500,
[data-theme="dark"] nav.bg-indigo-600,
[data-theme="dark"] header.bg-white {
  background-color: var(--bg-primary) !important;
  border-bottom: 1px solid var(--border-primary);
}

[data-theme="dark"] nav.bg-blue-600 h1,
[data-theme="dark"] nav.bg-blue-500 h1,
[data-theme="dark"] nav.bg-indigo-600 h1 {
  color: var(--text-primary) !important;
}

/* Code/Pre blocks */
[data-theme="dark"] pre,
[data-theme="dark"] code {
  background-color: var(--code-bg) !important;
  color: var(--code-text) !important;
}

/* Status indicators */
[data-theme="dark"] .bg-green-100 {
  background-color: var(--status-success-bg) !important;
}

[data-theme="dark"] .text-green-700,
[data-theme="dark"] .text-green-800 {
  color: var(--status-success-text) !important;
}

[data-theme="dark"] .bg-red-100 {
  background-color: var(--status-error-bg) !important;
}

[data-theme="dark"] .text-red-700,
[data-theme="dark"] .text-red-800 {
  color: var(--status-error-text) !important;
}

[data-theme="dark"] .bg-yellow-100 {
  background-color: var(--status-warning-bg) !important;
}

[data-theme="dark"] .text-yellow-700,
[data-theme="dark"] .text-yellow-800 {
  color: var(--status-warning-text) !important;
}

[data-theme="dark"] .bg-blue-100 {
  background-color: var(--status-info-bg) !important;
}

[data-theme="dark"] .text-blue-700,
[data-theme="dark"] .text-blue-800 {
  color: var(--status-info-text) !important;
}