/* Theme Toggle Styles */
.theme-toggle {
    margin-left: 1rem;
}

.theme-btn {
    position: relative;
    width: 48px;
    height: 48px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.theme-btn i {
    position: absolute;
    font-size: 1.125rem;
    transition: all var(--transition-normal);
}

/* Sun icon (for light mode) */
.theme-btn .fa-sun {
    color: #fbbf24;
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
}

/* Moon icon (for dark mode) */
.theme-btn .fa-moon {
    color: #cbd5e1;
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* When in light mode */
.theme-btn.light-mode .fa-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-btn.light-mode .fa-moon {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
}

/* Hover state - icons turn white */
.theme-btn:hover .fa-sun,
.theme-btn:hover .fa-moon {
    color: white;
}

/* Add glow effect for active icon */
.theme-btn .fa-sun {
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.5));
}

.theme-btn .fa-moon {
    filter: drop-shadow(0 0 4px rgba(203, 213, 225, 0.3));
}

/* Animation when switching themes */
@keyframes iconRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(90deg) scale(0.8); }
    100% { transform: rotate(180deg) scale(1); }
}

.theme-btn.switching .fa-sun,
.theme-btn.switching .fa-moon {
    animation: iconRotate 0.3s ease-in-out;
}

/* Light Theme Variables */
[data-theme="light"] {
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-light: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

/* Light Theme Body */
[data-theme="light"] body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-primary);
}

[data-theme="light"] body::before {
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

/* Light Theme Text Gradients */
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6 {
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .navbar-brand {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .welcome-message h1 {
    background: linear-gradient(135deg, #1e293b 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Light Theme Navbar */
[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .navbar-nav .nav-link {
    color: var(--text-secondary);
}

[data-theme="light"] .navbar-nav .nav-link:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .navbar-nav .nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .navbar-toggler {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2871, 85, 105, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Light Theme Welcome Message Text */
[data-theme="light"] .welcome-message p {
    color: var(--text-secondary);
}

[data-theme="light"] .welcome-message .text-muted {
    color: var(--text-muted) !important;
}

/* Light Theme Cards */
[data-theme="light"] .image-gallery-item {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .image-gallery-item:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(99, 102, 241, 0.4);
}

[data-theme="light"] .image-wrapper {
    background: rgba(241, 245, 249, 0.6);
}

/* Light Theme Pagination */
[data-theme="light"] .pagination-container {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .pagination-info {
    color: var(--text-secondary);
}

[data-theme="light"] .page-link {
    background: rgba(241, 245, 249, 0.6);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

[data-theme="light"] .page-link:hover {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .page-item.active .page-link {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

[data-theme="light"] .page-item.disabled .page-link {
    background: rgba(241, 245, 249, 0.4);
    color: var(--text-muted);
    border-color: rgba(226, 232, 240, 0.4);
}

/* Light Theme Footer */
[data-theme="light"] .footer {
    background: rgba(255, 255, 255, 0.8);
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .footer p {
    color: var(--text-secondary);
}

/* Light Theme Stats Cards */
[data-theme="light"] .modern-stats-card,
[data-theme="light"] .info-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .modern-stats-card:hover,
[data-theme="light"] .info-card:hover {
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .stats-number-modern {
    color: var(--text-primary);
}

[data-theme="light"] .stats-label-modern {
    color: var(--text-secondary);
}

[data-theme="light"] .stats-detail-modern {
    color: var(--text-muted);
}

[data-theme="light"] .info-card-header h3 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .info-card-content p {
    color: var(--text-secondary);
}

[data-theme="light"] .info-stat {
    color: var(--text-secondary);
}

[data-theme="light"] .info-stat strong {
    color: var(--text-primary);
}

[data-theme="light"] .insight-item {
    background: rgba(241, 245, 249, 0.6);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .insight-number {
    color: var(--primary);
}

[data-theme="light"] .insight-label {
    color: var(--text-muted);
}

/* Light Theme Copyright */
[data-theme="light"] .copyright-content {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .copyright-content p {
    color: var(--text-secondary);
}

/* Light Theme Stats Hero */
[data-theme="light"] .stats-hero {
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .hero-subtitle {
    color: var(--text-secondary);
}

[data-theme="light"] .hero-highlight {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary);
}

/* Light Theme Error Pages */
[data-theme="light"] .error-page .stats-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .stats-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .stats-icon {
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .stats-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

/* Light Theme Lightbox */
[data-theme="light"] .lightbox-header,
[data-theme="light"] .lightbox-footer {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .lightbox-counter {
    color: var(--text-secondary);
}

[data-theme="light"] .lightbox-counter .current-image {
    color: var(--primary);
}

[data-theme="light"] .lightbox-btn {
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

[data-theme="light"] .lightbox-btn:hover {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .lightbox-nav {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

[data-theme="light"] .lightbox-nav:hover {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .zoom-btn {
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

[data-theme="light"] .zoom-btn:hover {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .image-title {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .image-metadata {
    color: var(--text-muted);
}

[data-theme="light"] .zoom-level {
    color: var(--text-secondary);
}

/* Light Theme Button Text */
[data-theme="light"] .btn-view-image {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .btn-view-image:hover {
    background: var(--primary-dark);
    color: white;
}

/* Light Theme No Images Container */
[data-theme="light"] .no-images-container .stats-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .no-images-container .stats-card h3 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .no-images-container .stats-card p {
    color: var(--text-muted);
}

/* Light Theme Contact Page */
[data-theme="light"] .contact-hero {
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .contact-hero-content .hero-subtitle {
    color: var(--text-secondary);
}

[data-theme="light"] .contact-form-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .form-header {
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .form-header h3 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .form-header p {
    color: var(--text-secondary);
}

[data-theme="light"] .form-group label {
    color: var(--text-primary);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group textarea:focus {
    background: rgba(241, 245, 249, 0.95);
    border-color: var(--primary);
}

[data-theme="light"] .char-counter {
    color: var(--text-secondary);
}

[data-theme="light"] .success-card {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="light"] .success-card h3 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .success-card p {
    color: var(--text-secondary);
}

/* Light Theme Copyright Page Specific */
[data-theme="light"] .copyright-hero {
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .copyright-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .card-header {
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .card-header h3 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .card-content p {
    color: var(--text-secondary);
}

[data-theme="light"] .highlight-box {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary);
}

[data-theme="light"] .permission-item.allowed {
    background: rgba(16, 185, 129, 0.03);
    border-color: rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .permission-item.forbidden {
    background: rgba(239, 68, 68, 0.03);
    border-color: rgba(239, 68, 68, 0.15);
}

[data-theme="light"] .permission-item strong {
    color: var(--text-primary);
}

[data-theme="light"] .permission-item p {
    color: var(--text-secondary);
}

[data-theme="light"] .legal-point {
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
}

[data-theme="light"] .legal-point strong {
    color: var(--text-primary);
}

[data-theme="light"] .legal-point p {
    color: var(--text-secondary);
}

[data-theme="light"] .attribution-example h4,
[data-theme="light"] .contact-section h4 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .code-block {
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .code-block code {
    color: var(--text-secondary);
}

[data-theme="light"] .contact-card {
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

[data-theme="light"] .contact-card strong {
    color: var(--text-primary);
}

[data-theme="light"] .contact-note {
    color: var(--text-muted);
}

[data-theme="light"] .agreement-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .agreement-text h4 {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

[data-theme="light"] .agreement-text p {
    color: var(--text-secondary);
}

[data-theme="light"] .agreement-date {
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

[data-theme="light"] .agreement-date small {
    color: var(--text-muted);
}

/* Mobile Theme Toggle Improvements */
@media (max-width: 768px) {
    .theme-toggle {
        margin-left: 0.5rem;
    }
    
    .theme-btn {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }
    
    .theme-btn i {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .theme-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }
    
    .theme-btn i {
        font-size: 0.9rem;
    }
}

/* Improve Light Mode Mobile Compatibility */
[data-theme="light"] .pagination-container {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .page-link {
    background: rgba(241, 245, 249, 0.8);
    color: var(--text-secondary);
}

[data-theme="light"] .page-link:hover {
    background: var(--primary);
    color: white;
}

[data-theme="light"] .navbar-nav .nav-link {
    color: var(--text-secondary);
}

[data-theme="light"] .navbar-nav .nav-link:hover,
[data-theme="light"] .navbar-nav .nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

/* Animation for theme switching */
* {
    transition: background-color var(--transition-normal), 
                border-color var(--transition-normal), 
                color var(--transition-normal);
}

/* Prevent transition on page load */
.no-transition * {
    transition: none !important;
}