/* ==========================================================================
   Theme System - Dark Mode and Color Themes
   ========================================================================== */

/* Dark theme color overrides */
:root.dark {
  /* Dark theme colors */
  --bg-primary: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 50%, #0f0f0f 100%);
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --bg-glass: rgba(26, 26, 26, 0.8);
  
  --text-primary: #f5f5f4;
  --text-secondary: #d6d3d1;
  --text-tertiary: #a8a29e;
  
  --border-color: rgba(64, 64, 64, 0.3);
  --border-hover: rgba(245, 158, 11, 0.4);
  
  /* Enhanced button styles for dark theme */
  --btn-primary-bg: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #fbbf24 100%);
  --btn-primary-text: #ffffff;
  --btn-primary-shadow: 0 4px 15px rgba(217, 119, 6, 0.4);
  --btn-primary-shadow-hover: 0 8px 25px rgba(217, 119, 6, 0.6);
  
  /* Form elements */
  --form-bg: #1a1a1a;
  --form-text: #f5f5f4;
  --form-border: rgba(64, 64, 64, 0.5);
  --form-focus-border: rgba(245, 158, 11, 0.6);
  
  /* Enhanced gradients for dark theme */
  --gradient-primary: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #fbbf24 100%);
  --gradient-secondary: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.7) 50%, rgba(0, 0, 0, 0.9) 100%);
  --gradient-card: linear-gradient(135deg, rgba(38, 38, 38, 0.9) 0%, rgba(26, 26, 26, 0.7) 100%);
  
  --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.3);
  --shadow-glow-strong: 0 0 60px rgba(245, 158, 11, 0.5);
}

/* Dark theme specific component adjustments */
:root.dark header {
  background: rgba(26, 26, 26, 0.8);
  border-bottom-color: rgba(64, 64, 64, 0.3);
}

:root.dark .card {
  background: var(--gradient-card);
  border-color: rgba(64, 64, 64, 0.3);
}

:root.dark .card:hover {
  border-color: rgba(245, 158, 11, 0.4);
}

:root.dark .mobile-bottom-nav {
  background: rgba(10, 10, 10, 0.9);
  border-top-color: rgba(255, 255, 255, 0.1);
}

:root.dark .glass-morphism {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.1);
}

:root.dark .scroll-indicator {
  background: rgba(255, 255, 255, 0.1);
}

:root.dark .interactive-glow:hover {
  box-shadow: 
    0 0 20px rgba(245, 158, 11, 0.4),
    0 0 40px rgba(245, 158, 11, 0.2),
    0 0 60px rgba(245, 158, 11, 0.1);
}

:root.dark body::before {
  background: 
    radial-gradient(circle at 20% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
}

/* ==========================================================================
   Theme Toggle Component
   ========================================================================== */

.theme-toggle {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: 50%;
}

.theme-toggle:hover {
  transform: rotate(180deg) scale(1.1);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-glow);
}

.theme-toggle:hover::before {
  opacity: 0.1;
}

.theme-toggle-icon {
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  z-index: 1;
}

/* ==========================================================================
   Theme Transition Effects
   ========================================================================== */

.theme-transitioning * {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Enhanced theme transition for smooth color changes */
html {
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  transition: background 0.3s ease;
}

.card,
.project-card,
header,
.mobile-bottom-nav {
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ==========================================================================
   High Contrast Mode Support
   ========================================================================== */

@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-primary: #000000;
    --bg-primary: #ffffff;
  }
  
  :root.dark {
    --border-color: #ffffff;
    --text-primary: #ffffff;
    --bg-primary: #000000;
  }
  
  .card,
  .project-card {
    border: 2px solid;
  }
  
  .btn-primary {
    border: 2px solid;
  }
}

/* ==========================================================================
   Dark Mode Overrides for Hardcoded White Backgrounds
   ========================================================================== */

/* Trust bar section */
:root.dark section[class*="from-white"] {
  background: linear-gradient(to right, #1a1a1a, #0f0f0f) !important;
}

/* Service cards with white backgrounds */
:root.dark .card[class*="from-white"] {
  background: linear-gradient(to bottom right, rgba(38, 38, 38, 0.9), rgba(26, 26, 26, 0.7)) !important;
  border-color: rgba(64, 64, 64, 0.3) !important;
}

/* Project cards with white backgrounds */
:root.dark .project-card[class*="from-white"] {
  background: linear-gradient(to bottom right, rgba(38, 38, 38, 0.95), rgba(26, 26, 26, 0.85)) !important;
  border-color: rgba(64, 64, 64, 0.3) !important;
}

/* About section elements with semi-transparent backgrounds */
:root.dark .about-card,
:root.dark .trust-item {
  background-color: rgba(38, 38, 38, 0.8);
  border-color: rgba(64, 64, 64, 0.5);
}

/* Trust item hover state */
:root.dark .trust-item:hover {
  background-color: #2a2a2a;
}

/* Specific decorative elements in About section */
:root.dark .about-decorative {
  background-image: linear-gradient(to bottom right, rgba(55, 55, 55, 0.8), rgba(40, 40, 40, 0.8));
  border-color: rgba(64, 64, 64, 0.5);
}

/* Mobile navigation background */
:root.dark .mobile-bottom-nav {
    background-color: rgba(10, 10, 10, 0.9); 
    border-top-color: rgba(255, 255, 255, 0.1);
}

/* Ensure text colors are appropriate for dark backgrounds */
:root.dark .about-card p,
:root.dark .about-card span,
:root.dark .trust-item div {
  color: var(--text-secondary);
}

:root.dark .trust-item div {
    color: var(--text-tertiary);
}

:root.dark .trust-item:hover .font-semibold {
    color: var(--text-primary);
}

:root.dark .about-decorative span {
    color: var(--text-primary);
}

:root.dark .material-icons-outlined.text-amber-600,
:root.dark .material-icons-outlined.text-blue-600,
:root.dark .material-icons-outlined.text-green-600 {
    color: var(--accent-color); 
}

:root.dark .mobile-bottom-nav .mobile-nav-item span {
    color: var(--text-secondary);
}

:root.dark .mobile-bottom-nav .mobile-nav-item.active span {
    color: var(--accent-color);
}

/* ==========================================================================
   Dark Theme Project Card Enhancements
   ========================================================================== */

:root.dark .project-card {
  background: var(--gradient-card);
  border-color: rgba(245, 158, 11, 0.1);
}

:root.dark .project-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.4),
    0 10px 10px -5px rgba(0, 0, 0, 0.2),
    0 0 30px rgba(245, 158, 11, 0.1);
}

/* Enhanced award badge for dark mode */
:root.dark .award-badge {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(251, 191, 36, 0.1));
  color: var(--accent-light);
  border-color: rgba(245, 158, 11, 0.4);
  backdrop-filter: blur(10px);
}

/* Portfolio specific dark theme adjustments */
:root.dark .portfolio-card {
  background: linear-gradient(135deg, rgba(38, 38, 38, 0.95) 0%, rgba(26, 26, 26, 0.85) 100%);
  border-color: rgba(64, 64, 64, 0.4);
}

:root.dark .portfolio-card:hover {
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(245, 158, 11, 0.1);
}

:root.dark .portfolio-filter-btn {
  border-color: rgba(64, 64, 64, 0.6);
  color: var(--text-secondary);
}

:root.dark .portfolio-filter-btn:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

:root.dark .portfolio-tags .tag {
  background: rgba(0, 0, 0, 0.8);
  color: rgba(255, 255, 255, 0.9);
}

:root.dark .portfolio-link {
  border-color: rgba(245, 158, 11, 0.6);
  color: var(--accent-light);
}

:root.dark .portfolio-link:hover {
  background: var(--accent-color);
  color: white;
}

:root.dark .meta-item {
  border-color: rgba(64, 64, 64, 0.3);
}

:root.dark .portfolio-meta {
  border-color: rgba(64, 64, 64, 0.3);
}

/* Enhanced Dark Mode Support for Contact Page */
:root.dark .hero-section {
  background: var(--bg-tertiary);
  border-bottom: 1px solid rgba(64, 64, 64, 0.5);
}

:root.dark .consultation-card {
  background: var(--bg-tertiary);
  border-color: rgba(64, 64, 64, 0.5);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
}

:root.dark .consultation-card:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

:root.dark .contact-form {
  background: var(--bg-tertiary);
  border-color: rgba(64, 64, 64, 0.5);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
}

:root.dark .contact-info-card {
  background: var(--bg-tertiary);
  border-color: rgba(64, 64, 64, 0.5);
}

:root.dark .contact-info-card:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-color);
}

:root.dark .contact-info-highlight {
  background: var(--bg-tertiary);
  border-color: var(--accent-color);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

/* Improved readability for dark mode forms */
:root.dark .contact-form input::placeholder,
:root.dark .contact-form textarea::placeholder,
:root.dark .contact-form select option {
  color: var(--text-tertiary);
}

:root.dark .contact-form input:focus,
:root.dark .contact-form textarea:focus,
:root.dark .contact-form select:focus {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}