/* Theme System - Light Mode and Dark Mode */

/* Light Mode Variables (Default) */
:root {
  /* Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-card: #ffffff;
  --bg-navbar: #ffffff;
  --bg-footer: #2c3e50;
  
  /* Text Colors */
  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --text-inverse: #ffffff;
  
  /* Border Colors */
  --border-primary: #dee2e6;
  --border-secondary: #e9ecef;
  --border-accent: #3498db;
  
  /* Shadow Colors */
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --shadow-heavy: rgba(0, 0, 0, 0.2);
  
  /* Accent Colors */
  --accent-primary: #3498db;
  --accent-secondary: #e74c3c;
  --accent-success: #28a745;
  --accent-warning: #ffc107;
  --accent-danger: #dc3545;
  
  /* Status Colors */
  --status-online: #28a745;
  --status-offline: #6c757d;
  --status-busy: #dc3545;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  /* Colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --bg-card: #2d2d2d;
  --bg-navbar: #2d2d2d;
  --bg-footer: #1a1a1a;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #808080;
  --text-inverse: #1a1a1a;
  
  /* Border Colors */
  --border-primary: #404040;
  --border-secondary: #505050;
  --border-accent: #4a9eff;
  
  /* Shadow Colors */
  --shadow-light: rgba(0, 0, 0, 0.3);
  --shadow-medium: rgba(0,0, 0, 0.4);
  --shadow-heavy: rgba(0, 0, 0, 0.5);
  
  /* Accent Colors */
  --accent-primary: #4a9eff;
  --accent-secondary: #ff6b6b;
  --accent-success: #51cf66;
  --accent-warning: #ffd43b;
  --accent-danger: #ff6b6b;
  
  /* Status Colors */
  --status-online: #51cf66;
  --status-offline: #868e96;
  --status-busy: #ff6b6b;
}

/* Theme Toggle Button */
.theme-toggle {
  position: relative;
  width: 50px;
  height: 26px;
  background: var(--bg-tertiary);
  border-radius: 13px;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 2px solid var(--border-primary);
  display: flex;
  align-items: center;
  padding: 2px;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
}

.theme-toggle .toggle-slider {
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  border-radius: 50%;
  transition: var(--transition-normal);
  position: relative;
}

.theme-toggle .toggle-slider::before {
  content: "☀️";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  line-height: 1;
}

[data-theme="dark"] .theme-toggle .toggle-slider {
  transform: translateX(24px);
}

[data-theme="dark"] .theme-toggle .toggle-slider::before {
  content: "🌙";
}

/* Theme Toggle Container */
.theme-toggle-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 20px;
}

.theme-toggle-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Apply Theme Colors to Elements */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition-normal);
}

.navbar {
  background-color: var(--bg-navbar) !important;
  border-bottom: 1px solid var(--border-primary);
  box-shadow: 0 2px 10px var(--shadow-light);
}

.navbar-brand {
  color: var(--text-primary) !important;
}

.navbar-nav .nav-link {
  color: var(--text-primary) !important;
}

.navbar-nav .nav-link:hover {
  color: var(--accent-primary) !important;
}

.navbar-nav .nav-link.active {
  color: var(--accent-primary) !important;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: 0 4px 6px var(--shadow-light);
}

.card:hover {
  box-shadow: 0 8px 25px var(--shadow-medium);
}

.card-title {
  color: var(--text-primary);
}

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

.btn-primary {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  opacity: 0.9;
}

.btn-secondary {
  background-color: var(--accent-secondary);
  border-color: var(--accent-secondary);
  color: var(--text-inverse);
}

.btn-outline-primary {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-outline-primary:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
}

.form-control {
  background-color: var(--bg-card);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.form-control:focus {
  background-color: var(--bg-card);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.footer {
  background-color: var(--bg-footer);
  color: var(--text-inverse);
}

.footer h5 {
  color: var(--accent-primary);
}

.footer a {
  color: var(--text-muted);
}

.footer a:hover {
  color: var(--accent-primary);
}

/* Section Backgrounds */
.section-light {
  background-color: var(--bg-secondary);
}

.section-dark {
  background-color: var(--bg-tertiary);
}

/* Text Utilities */
.text-primary {
  color: var(--text-primary) !important;
}

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

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

/* Border Utilities */
.border-primary {
  border-color: var(--border-primary) !important;
}

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

/* Shadow Utilities */
.shadow-light {
  box-shadow: 0 2px 4px var(--shadow-light) !important;
}

.shadow-medium {
  box-shadow: 0 4px 8px var(--shadow-medium) !important;
}

.shadow-heavy {
  box-shadow: 0 8px 16px var(--shadow-heavy) !important;
}

/* Smooth Theme Transition */
* {
  transition: background-color var(--transition-normal), 
              color var(--transition-normal), 
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

/* Theme Toggle Animation */
@keyframes themeToggleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.theme-toggle-container {
  animation: themeToggleIn 0.3s ease-out;
}

/* Responsive Theme Toggle */
@media (max-width: 768px) {
  .theme-toggle-container {
    margin-left: 10px;
  }
  
  .theme-toggle-label {
    display: none;
  }
  
  .theme-toggle {
    width: 44px;
    height: 24px;
  }
  
  .theme-toggle .toggle-slider {
    width: 16px;
    height: 16px;
  }
  
  [data-theme="dark"] .theme-toggle .toggle-slider {
    transform: translateX(20px);
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border-primary: #000000;
    --border-secondary: #000000;
    --text-secondary: #000000;
  }
  
  [data-theme="dark"] {
    --border-primary: #ffffff;
    --border-secondary: #ffffff;
    --text-secondary: #ffffff;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* Print Styles */
@media print {
  .theme-toggle-container {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}