/**
 * Dark Mode Styles for Scriptura
 * CSS Custom Properties for seamless theme switching
 */

:root {
  /* Light theme variables (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #868e96;
  --accent-primary: #667eea;
  --accent-secondary: #764ba2;
  --border-color: #dee2e6;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --shadow-heavy: rgba(0, 0, 0, 0.2);
  
  /* Status colors */
  --success-color: #28a745;
  --success-bg: #d4edda;
  --success-border: #c3e6cb;
  --error-color: #721c24;
  --error-bg: #f8d7da;
  --error-border: #f5c6cb;
  --info-color: #004085;
  --info-bg: #cce7ff;
  --info-border: #b3d9ff;
  --warning-color: #856404;
  --warning-bg: #fff3cd;
  --warning-border: #ffeaa7;
  
  /* Form elements */
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --input-focus: #667eea;
  --button-text: #ffffff;
  
  /* Navigation */
  --nav-bg: #ffffff;
  --nav-text: #333333;
  --nav-hover: #f8f9fa;
  
  /* Cards and containers */
  --card-bg: #ffffff;
  --card-border: #dee2e6;
  
  /* Links */
  --link-color: #667eea;
  --link-hover: #5a67d8;
}

[data-theme="dark"] {
  /* Dark theme variables */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #888888;
  --accent-primary: #8b9cf4;
  --accent-secondary: #9c7bb8;
  --border-color: #404040;
  --shadow-light: rgba(0, 0, 0, 0.3);
  --shadow-medium: rgba(0, 0, 0, 0.4);
  --shadow-heavy: rgba(0, 0, 0, 0.6);
  
  /* Status colors - adjusted for dark theme */
  --success-color: #4caf50;
  --success-bg: #1b4332;
  --success-border: #2d5f3f;
  --error-color: #f44336;
  --error-bg: #4a1e1e;
  --error-border: #6b2c2c;
  --info-color: #2196f3;
  --info-bg: #1e2a4a;
  --info-border: #2c3e6b;
  --warning-color: #ff9800;
  --warning-bg: #4a3a1e;
  --warning-border: #6b552c;
  
  /* Form elements */
  --input-bg: #2d2d2d;
  --input-border: #505050;
  --input-focus: #8b9cf4;
  --button-text: #ffffff;
  
  /* Navigation */
  --nav-bg: #2d2d2d;
  --nav-text: #ffffff;
  --nav-hover: #404040;
  
  /* Cards and containers */
  --card-bg: #2d2d2d;
  --card-border: #404040;
  
  /* Links */
  --link-color: #8b9cf4;
  --link-hover: #a5b4f7;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

p, span, div {
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

/* Links */
a {
  color: var(--link-color);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--link-hover);
}

/* Forms */
input, textarea, select {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border-color: var(--input-border);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  box-shadow: 0 0 0 0.2rem rgba(139, 156, 244, 0.25);
}

/* Buttons */
.btn-primary {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--button-text);
}

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

/* Cards and containers */
.card, .auth-container, .container {
  background-color: var(--card-bg);
  border-color: var(--card-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Shadows */
.shadow, .shadow-sm {
  box-shadow: 0 0.125rem 0.25rem var(--shadow-light);
}

.shadow-lg {
  box-shadow: 0 1rem 3rem var(--shadow-heavy);
}

/* Flash messages */
.flash-message.success {
  background-color: var(--success-bg);
  color: var(--success-color);
  border-color: var(--success-border);
}

.flash-message.error {
  background-color: var(--error-bg);
  color: var(--error-color);
  border-color: var(--error-border);
}

.flash-message.info {
  background-color: var(--info-bg);
  color: var(--info-color);
  border-color: var(--info-border);
}

.flash-message.warning {
  background-color: var(--warning-bg);
  color: var(--warning-color);
  border-color: var(--warning-border);
}

/* Navigation */
nav, .navbar {
  background-color: var(--nav-bg);
  color: var(--nav-text);
}

nav a, .navbar a {
  color: var(--nav-text);
}

nav a:hover, .navbar a:hover {
  background-color: var(--nav-hover);
}

/* Tables */
table {
  background-color: var(--card-bg);
  color: var(--text-primary);
}

th, td {
  border-color: var(--border-color);
}

thead th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

tbody tr:nth-child(even) {
  background-color: var(--bg-secondary);
}

/* Code blocks and pre */
pre, code {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Borders */
.border {
  border-color: var(--border-color) !important;
}

hr {
  border-color: var(--border-color);
}

/* Dark mode toggle button */
.dark-mode-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--shadow-medium);
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px var(--shadow-heavy);
}

.dark-mode-toggle .icon {
  font-size: 20px;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

/* Sun and moon icons */
.dark-mode-toggle .sun-icon {
  display: block;
}

.dark-mode-toggle .moon-icon {
  display: none;
}

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

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

/* Smooth transitions for theme changes */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Special handling for charts and visualizations */
.chart-container, .visualization-container {
  background-color: var(--card-bg);
  border-color: var(--border-color);
}

/* Ensure proper contrast for form labels */
label {
  color: var(--text-primary);
  font-weight: 500;
}

/* Blog post styles */
.blog-content {
  color: var(--text-primary);
}

.blog-content h1, 
.blog-content h2, 
.blog-content h3, 
.blog-content h4, 
.blog-content h5, 
.blog-content h6 {
  color: var(--text-primary);
}

.blog-content blockquote {
  border-left: 4px solid var(--accent-primary);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Verse and cluster styling */
.verse-text {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

.cluster-info {
  background-color: var(--card-bg);
  border-color: var(--border-color);
}

/* Search results */
.search-result {
  background-color: var(--card-bg);
  border-color: var(--border-color);
}

.search-result:hover {
  background-color: var(--bg-secondary);
}

/* Loading states */
.loading, .spinner {
  color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .dark-mode-toggle {
    top: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
  }
  
  .dark-mode-toggle .icon {
    font-size: 18px;
  }
}