/* ===============================================
   DARK MODE STYLES
   Add this file to your HTML: <link rel="stylesheet" href="dark-mode.css">
   =============================================== */

 
body.dark-mode {
    --bg-color: #0a0a0a;
    --text-dark: #e8e8e8;
    --text-muted: #a0a0a0;
    --white: #1a1a1a;
    --shadow-light: rgba(79, 209, 255, 0.1);
    --shadow-medium: rgba(79, 209, 255, 0.15);
    --shadow-heavy: rgba(79, 209, 255, 0.3);
    
     
    --card-bg: #141414;
    --card-hover: #1e1e1e;
    
     
    --border-color: #2a2a2a;
    --border-hover: #3a3a3a;
}

 
body.dark-mode {
    background-color: #0a0a0a;
    color: #e8e8e8;
}

 
body.dark-mode .main-header {
    background: rgba(20, 20, 20, 0.95);
    box-shadow: 0 4px 20px rgba(79, 209, 255, 0.15);
    border-bottom: 1px solid #2a2a2a;
}

body.dark-mode .menu-btn {
    color: var(--primary-cyan);
}

body.dark-mode .menu-btn:hover {
    color: var(--primary-purple);
}

 
body.dark-mode .overlay {
    background: rgba(0, 0, 0, 0.7);
}

 
body.dark-mode .art-sidebar {
    background: transparent;
}

body.dark-mode .art-sidebar::before {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.98) 0%, 
        rgba(30, 30, 30, 0.95) 100%);
}

body.dark-mode .menu-item {
    color: #e8e8e8;
    background: rgba(79, 209, 255, 0.05);
    border: 2px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .menu-item:hover {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.2), 
        rgba(168, 85, 247, 0.2));
    border-color: var(--primary-cyan);
    color: #ffffff;
}

body.dark-mode .close-btn {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
}

body.dark-mode .close-btn:hover {
    background: rgba(79, 209, 255, 0.2);
    color: #ffffff;
}

 
body.dark-mode .author-page {
    background-color: #0a0a0a;
}

 
body.dark-mode .author-profile-inline {
    background: transparent;
}


body.dark-mode .author-name {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(79, 209, 255, 0.4);
}

body.dark-mode .rotating-border {
    background: linear-gradient(45deg, 
        var(--primary-cyan), 
        var(--primary-purple), 
        var(--primary-blue), 
        var(--primary-cyan));
}

body.dark-mode .author-image {
    border: 4px solid #141414;
}

 
body.dark-mode .tag {
    background: rgba(79, 209, 255, 0.15);
    color: var(--primary-cyan);
    border: 1px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .tag:hover {
    background: rgba(79, 209, 255, 0.25);
    border-color: var(--primary-cyan);
}

 
body.dark-mode .content-card {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body.dark-mode .content-card:hover {
    border-color: rgba(79, 209, 255, 0.3);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.2);
}

body.dark-mode .section-title {
    color: #ffffff;
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .bio-text p {
    color: #c0c0c0;
}

 
body.dark-mode .stat-card {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.1) 0%, 
        rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .stat-card:hover {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.2) 0%, 
        rgba(168, 85, 247, 0.2) 100%);
    border-color: var(--primary-cyan);
    box-shadow: 0 10px 30px rgba(79, 209, 255, 0.3);
}

body.dark-mode .stat-number {
    color: var(--primary-cyan);
}

body.dark-mode .stat-label {
    color: #a0a0a0;
}

 
body.dark-mode .tabs-list {
    background: rgba(20, 20, 20, 0.9);
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .tab-btn {
    color: #a0a0a0;
    background: transparent;
}

body.dark-mode .tab-btn:hover {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
}

body.dark-mode .tab-btn.active {
    color: #ffffff;
    background: transparent;
    border-top: 2px solid var(--primary-cyan);
}

 
body.dark-mode .writings-grid {
    background: transparent;
}

body.dark-mode .writing-card {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .writing-card:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
    transform: translateY(-8px);
}

body.dark-mode .writing-title {
    color: #ffffff;
}

body.dark-mode .writing-excerpt {
    color: #a0a0a0;
}

body.dark-mode .writing-meta {
    color: #808080;
    border-top: 1px solid rgba(79, 209, 255, 0.1);
}

body.dark-mode .read-more {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
    border: 1px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .read-more:hover {
    background: rgba(79, 209, 255, 0.2);
    border-color: var(--primary-cyan);
}

 
body.dark-mode .books-grid {
    background: transparent;
}

body.dark-mode .book-card {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .book-card:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 20px 60px rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-cover {
    border: 3px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .book-title {
    color: #ffffff;
}

body.dark-mode .book-category {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.15);
}

body.dark-mode .book-description {
    color: #a0a0a0;
}

body.dark-mode .book-price {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
}

body.dark-mode .buy-btn {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    border: none;
}

body.dark-mode .buy-btn:hover {
    box-shadow: 0 8px 25px rgba(79, 209, 255, 0.4);
}

 
body.dark-mode .videos-section {
    background: transparent;
}

body.dark-mode .video-card {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .video-card:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
}

body.dark-mode .video-thumbnail {
    border: 2px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .video-title {
    color: #ffffff;
}

body.dark-mode .video-views {
    color: #808080;
}

body.dark-mode .watch-btn {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
    border: 1px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .watch-btn:hover {
    background: rgba(79, 209, 255, 0.2);
    border-color: var(--primary-cyan);
}

 
body.dark-mode .contact-section {
    background: transparent;
}

body.dark-mode .contact-form {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .form-group label {
    color: #e8e8e8;
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(79, 209, 255, 0.2);
    color: #e8e8e8;
}

body.dark-mode .form-group input:focus,
body.dark-mode .form-group textarea:focus {
    background: rgba(10, 10, 10, 0.8);
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(79, 209, 255, 0.1);
}

body.dark-mode .form-group input::placeholder,
body.dark-mode .form-group textarea::placeholder {
    color: #606060;
}

body.dark-mode .submit-btn {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    border: none;
}

body.dark-mode .submit-btn:hover {
    box-shadow: 0 10px 30px rgba(79, 209, 255, 0.4);
}

body.dark-mode .submit-btn:active {
    transform: scale(0.98);
}

 


body.dark-mode .social-link:hover {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.3), 
        rgba(168, 85, 247, 0.3));
    border-color: var(--primary-cyan);
    color: #ffffff;
}

 
body.dark-mode .registration-form {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.95) 0%, 
        rgba(30, 30, 30, 0.95) 100%);
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .registration-form h2 {
    color: #ffffff;
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

 
body.dark-mode .timeline {
    background: transparent;
}

body.dark-mode .timeline-item {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .timeline-item:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 10px 40px rgba(79, 209, 255, 0.2);
}

body.dark-mode .timeline-year {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
}

body.dark-mode .timeline-content h3 {
    color: #ffffff;
}

body.dark-mode .timeline-content p {
    color: #a0a0a0;
}

 
body.dark-mode .awards-grid {
    background: transparent;
}

body.dark-mode .award-card {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .award-card:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
}

body.dark-mode .award-icon {
    color: var(--primary-cyan);
}

body.dark-mode .award-name {
    color: #ffffff;
}

body.dark-mode .award-year {
    color: var(--primary-cyan);
}

 
body.dark-mode .loading {
    background: linear-gradient(90deg, 
        rgba(79, 209, 255, 0.1) 0%, 
        rgba(79, 209, 255, 0.2) 50%, 
        rgba(79, 209, 255, 0.1) 100%);
}

 
body.dark-mode::-webkit-scrollbar {
    width: 12px;
    background: #0a0a0a;
}

body.dark-mode::-webkit-scrollbar-track {
    background: #141414;
}

body.dark-mode::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    border-radius: 6px;
    border: 2px solid #141414;
}

body.dark-mode::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, 
        var(--primary-purple), 
        var(--primary-cyan));
}

 
body.dark-mode ::selection {
    background: rgba(79, 209, 255, 0.3);
    color: #ffffff;
}

body.dark-mode ::-moz-selection {
    background: rgba(79, 209, 255, 0.3);
    color: #ffffff;
}

 
body.dark-mode .content-tabs {
    background: rgba(20, 20, 20, 0.98);
    border-top: 1px solid rgba(79, 209, 255, 0.2);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

body.dark-mode .tabs-container {
    background: transparent;
}

body.dark-mode .tab-btn {
    color: #808080;
    background: transparent;
}

body.dark-mode .tab-btn:hover {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
}

body.dark-mode .tab-btn.active {
    color: #ffffff;
    background: transparent;
    border-top: 2px solid var(--primary-cyan);
}
body.dark-mode .tab-btn.active::after {
    background: linear-gradient(90deg, 
        var(--primary-cyan), 
        var(--primary-purple));
}

body.dark-mode .tab-icon {
    stroke: currentColor;
}

 
body.dark-mode .books-list {
    background: transparent;
}

body.dark-mode .book-container {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .book-container:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 20px 60px rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-cover-large {
    border: 3px solid rgba(79, 209, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body.dark-mode .book-container:hover .book-cover-large {
    border-color: var(--primary-cyan);
    box-shadow: 0 15px 40px rgba(79, 209, 255, 0.4);
}

body.dark-mode .book-info {
    background: transparent;
}

body.dark-mode .book-title-large {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-meta {
    color: #a0a0a0;
}

body.dark-mode .book-year,
body.dark-mode .book-type {
    color: var(--primary-cyan);
    background: rgba(79, 209, 255, 0.1);
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .book-description {
    color: #c0c0c0;
}

body.dark-mode .book-stats {
    color: #a0a0a0;
    border-top: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .book-stats strong {
    color: var(--primary-cyan);
}

body.dark-mode .btn-details {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    border: none;
}

body.dark-mode .btn-details:hover {
    box-shadow: 0 8px 25px rgba(79, 209, 255, 0.4);
    transform: translateY(-2px);
}

 
body.dark-mode .achievements-list {
    background: transparent;
}

body.dark-mode .achievement-container {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.9) 0%, 
        rgba(30, 30, 30, 0.9) 100%);
    border: 1px solid rgba(79, 209, 255, 0.15);
}

body.dark-mode .achievement-container:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
}

body.dark-mode .achievement-certificate {
    border: 3px solid rgba(79, 209, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body.dark-mode .achievement-container:hover .achievement-certificate {
    border-color: var(--primary-cyan);
    box-shadow: 0 15px 40px rgba(79, 209, 255, 0.4);
}

body.dark-mode .achievement-certificate img {
    opacity: 0.95;
}

body.dark-mode .achievement-content {
    background: transparent;
}

body.dark-mode .achievement-title {
    color: #ffffff;
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .achievement-description {
    color: #c0c0c0;
}

body.dark-mode .achievement-year-badge {
    background: rgba(79, 209, 255, 0.2);
    color: var(--primary-cyan);
    border: 1px solid rgba(79, 209, 255, 0.3);
}

 
body.dark-mode .certificate-modal {
    background: rgba(0, 0, 0, 0.9);
}

body.dark-mode .certificate-overlay {
    background: rgba(0, 0, 0, 0.9);
}

body.dark-mode .certificate-content {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.95) 0%, 
        rgba(30, 30, 30, 0.95) 100%);
    border: 1px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .certificate-close {
    background: rgba(79, 209, 255, 0.2);
    color: var(--primary-cyan);
}

body.dark-mode .certificate-close:hover {
    background: rgba(79, 209, 255, 0.3);
    color: #ffffff;
}

 
.dark-mode-toggle {
    position: absolute;
    left: 25px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 20px rgba(79, 209, 255, 0.4),
                inset 0 0 10px rgba(255, 255, 255, 0.1);
    z-index: 10;
    overflow: hidden;
}

.dark-mode-toggle::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dark-mode-toggle:hover::before {
    opacity: 1;
}

.dark-mode-toggle:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 6px 30px rgba(79, 209, 255, 0.6),
                inset 0 0 15px rgba(255, 255, 255, 0.2);
}

.dark-mode-toggle:active {
    transform: scale(0.95);
}

.dark-mode-toggle svg {
    width: 26px;
    height: 26px;
    fill: white;
    transition: all 0.4s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.dark-mode-toggle:hover svg {
    transform: rotate(180deg) scale(1.1);
}

 
body.dark-mode .dark-mode-toggle {
    background: linear-gradient(135deg, #2a2a3a, #1a1a2a);
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.5),
                inset 0 0 10px rgba(168, 85, 247, 0.2);
}

body.dark-mode .dark-mode-toggle:hover {
    box-shadow: 0 6px 30px rgba(168, 85, 247, 0.7),
                inset 0 0 15px rgba(168, 85, 247, 0.3);
}

body.dark-mode .dark-mode-toggle::before {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
}

 
.sun-icon {
    display: block;
    animation: sunRise 0.5s ease;
}

.moon-icon {
    display: none;
}

body.dark-mode .sun-icon {
    display: none;
}

body.dark-mode .moon-icon {
    display: block;
    animation: moonRise 0.5s ease;
}

@keyframes sunRise {
    from {
        transform: rotate(-90deg) scale(0);
        opacity: 0;
    }
    to {
        transform: rotate(0deg) scale(1);
        opacity: 1;
    }
}

@keyframes moonRise {
    from {
        transform: rotate(90deg) scale(0);
        opacity: 0;
    }
    to {
        transform: rotate(0deg) scale(1);
        opacity: 1;
    }
}

 
.dark-mode-toggle.pulse {
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(79, 209, 255, 0.4),
                    inset 0 0 10px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 0 4px 30px rgba(79, 209, 255, 0.8),
                    inset 0 0 15px rgba(255, 255, 255, 0.2);
    }
}

body.dark-mode .dark-mode-toggle.pulse {
    animation: buttonPulseDark 2s ease-in-out infinite;
}

@keyframes buttonPulseDark {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(168, 85, 247, 0.5),
                    inset 0 0 10px rgba(168, 85, 247, 0.2);
    }
    50% {
        box-shadow: 0 4px 30px rgba(168, 85, 247, 0.9),
                    inset 0 0 15px rgba(168, 85, 247, 0.3);
    }
}

 
body.dark-mode footer {
    background: rgba(20, 20, 20, 0.95);
    border-top: 1px solid rgba(79, 209, 255, 0.2);
    color: #a0a0a0;
}

 
body.dark-mode hr {
    border-color: rgba(79, 209, 255, 0.2);
}

body.dark-mode blockquote {
    background: rgba(79, 209, 255, 0.05);
    border-left: 4px solid var(--primary-cyan);
    color: #c0c0c0;
}

body.dark-mode code {
    background: rgba(79, 209, 255, 0.1);
    color: var(--primary-cyan);
}

body.dark-mode pre {
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(79, 209, 255, 0.2);
    color: #e8e8e8;
}

 
@keyframes darkModeGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(79, 209, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(79, 209, 255, 0.4);
    }
}

body.dark-mode .glow-effect {
    animation: darkModeGlow 3s ease-in-out infinite;
}

 
body.dark-mode .book-page {
    background-color: #0a0a0a;
}

body.dark-mode .book-details-container {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.95) 0%, 
        rgba(30, 30, 30, 0.95) 100%);
    border: 1px solid rgba(79, 209, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body.dark-mode .book-details-container:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-cover-section img {
    box-shadow: 0 15px 40px rgba(79, 209, 255, 0.4);
    border: 2px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-cover-section img:hover {
    box-shadow: 0 20px 50px rgba(79, 209, 255, 0.6);
    border-color: var(--primary-cyan);
}

body.dark-mode .book-info-section {
    background: transparent;
}

body.dark-mode .book-info-section .book-title-large {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(79, 209, 255, 0.3);
}

body.dark-mode .book-metadata {
    background: transparent;
}

body.dark-mode .metadata-item {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.1), 
        rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .metadata-item:hover {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.2), 
        rgba(168, 85, 247, 0.2));
    border-color: var(--primary-cyan);
    box-shadow: 0 5px 15px rgba(79, 209, 255, 0.3);
}

body.dark-mode .metadata-item svg {
    color: var(--primary-cyan);
}

body.dark-mode .metadata-item span,
body.dark-mode .metadata-item strong {
    color: #e8e8e8;
}

body.dark-mode .book-info-section .book-description {
    color: #c0c0c0;
}

body.dark-mode .book-actions {
    background: transparent;
}

body.dark-mode .action-btn {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    border: none;
}

body.dark-mode .action-btn:hover {
    box-shadow: 0 8px 25px rgba(79, 209, 255, 0.5);
    transform: translateY(-3px);
}

body.dark-mode .action-btn svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

 
body.dark-mode .download-btn {
    background: linear-gradient(135deg, 
        rgba(79, 209, 255, 0.2), 
        rgba(168, 85, 247, 0.2));
    border: 2px solid var(--primary-cyan);
    color: var(--primary-cyan);
}

body.dark-mode .download-btn:hover {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(79, 209, 255, 0.5);
}

 
body.dark-mode .video-page {
    background-color: #0a0a0a;
}

body.dark-mode .video-container-page {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.95) 0%, 
        rgba(30, 30, 30, 0.95) 100%);
    border: 1px solid rgba(79, 209, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body.dark-mode .video-container-page:hover {
    border-color: rgba(79, 209, 255, 0.4);
    box-shadow: 0 15px 50px rgba(79, 209, 255, 0.3);
}

body.dark-mode .video-wrapper {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(79, 209, 255, 0.3);
}

body.dark-mode .video-wrapper iframe {
    border-radius: 15px;
}

body.dark-mode .video-info {
    background: transparent;
}

body.dark-mode .video-info .video-title {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(79, 209, 255, 0.3);
}

body.dark-mode .video-meta {
    background: transparent;
}

body.dark-mode .video-meta .video-duration {
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(79, 209, 255, 0.4);
}

body.dark-mode .video-info .video-description {
    color: #c0c0c0;
}

 
body,
.main-header,
.art-sidebar,
.content-card,
.stat-card,
.writing-card,
.book-card,
.video-card,
.tab-btn,
.form-group input,
.form-group textarea,
.book-details-container,
.video-container-page,
.metadata-item {
    transition: background-color 0.3s ease, 
                color 0.3s ease, 
                border-color 0.3s ease,
                box-shadow 0.3s ease;
}
 
body.dark-mode .modal {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

body.dark-mode .modal-overlay {
    background: rgba(0, 0, 0, 0.85);
}

body.dark-mode .modal-content {
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.98) 0%, 
        rgba(30, 30, 30, 0.98) 100%);
    border: 1px solid rgba(79, 209, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

body.dark-mode .modal-close {
    background: rgba(79, 209, 255, 0.15);
    color: var(--primary-cyan);
}

body.dark-mode .modal-close:hover {
    background: rgba(79, 209, 255, 0.3);
    color: #ffffff;
    transform: rotate(90deg);
}

body.dark-mode .modal-author-image {
    border: 3px solid var(--primary-cyan);
    box-shadow: 0 5px 15px rgba(79, 209, 255, 0.4);
}

body.dark-mode .modal-author-name {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(79, 209, 255, 0.3);
}

body.dark-mode .modal-writing-content {
    background: transparent;
}

body.dark-mode .modal-title {
    color: #ffffff;
    background: linear-gradient(135deg, 
        var(--primary-cyan), 
        var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .modal-text {
    color: #c0c0c0;
}

body.dark-mode .modal-text p {
    color: #c0c0c0;
}

body.dark-mode .modal-author-signature {
    border-top: 2px solid rgba(79, 209, 255, 0.2);
}

body.dark-mode .modal-author-signature span {
    color: var(--primary-cyan);
}