/* English6 Template - Dark Tech Theme */

/* CSS Variables for consistent theming */
:root {
    --primary-cyan: #06b6d4;
    --primary-cyan-light: #22d3ee;
    --primary-cyan-dark: #0891b2;
    --secondary-blue: #3b82f6;
    --accent-purple: #a855f7;
    --dark-bg: #0f0f23;
    --darker-bg: #0a0a14;
    --light-bg: #1a1a35;
    --text-cyan: #06b6d4;
    --text-light: #e2e8f0;
    --text-medium: #94a3b8;
    --text-dark: #475569;
    --neon-glow: 0 0 10px rgba(6, 182, 212, 0.3);
    --neon-glow-strong: 0 0 20px rgba(6, 182, 212, 0.5);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 20px 25px rgba(0, 0, 0, 0.5);
    --border-radius: 15px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 50%, var(--dark-bg) 100%);
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated background grid */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(6, 182, 212, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(168, 85, 247, 0.03) 0%, transparent 50%),
        linear-gradient(45deg, transparent 49%, rgba(6, 182, 212, 0.01) 50%, transparent 51%),
        linear-gradient(-45deg, transparent 49%, rgba(168, 85, 247, 0.01) 50%, transparent 51%);
    background-size: 100px 100px, 150px 150px, 20px 20px, 20px 20px;
    background-position: 0 0, 50px 50px, 0 0, 10px 10px;
    animation: gridMove 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

/* Navigation */
.navbar {
    background: rgba(15, 15, 35, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    box-shadow: var(--shadow-light);
    padding: 1.5rem 0;
    position: relative;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(6, 182, 212, 0.05) 50%, transparent 100%);
    animation: scanLine 3s linear infinite;
    pointer-events: none;
}

@keyframes scanLine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-cyan) !important;
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
    letter-spacing: -0.5px;
    position: relative;
}

.navbar-brand::before {
    content: '>';
    color: var(--accent-purple);
    margin-right: 5px;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Search */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 16px 24px;
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: 30px;
    background: rgba(26, 26, 53, 0.8);
    color: var(--text-light);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    box-shadow: var(--neon-glow);
    backdrop-filter: blur(10px);
}

.search-input::placeholder {
    color: var(--text-medium);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: var(--neon-glow-strong);
    background: rgba(26, 26, 53, 0.9);
}

.search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-light));
    color: var(--darker-bg);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-family: inherit;
    transition: var(--transition);
    box-shadow: var(--neon-glow);
    cursor: pointer;
}

.search-btn:hover {
    background: linear-gradient(135deg, var(--primary-cyan-dark), var(--primary-cyan));
    transform: translateY(-50%) scale(1.05);
    box-shadow: var(--neon-glow-strong);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 50%, var(--light-bg) 100%);
    color: var(--text-light);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
    letter-spacing: -2px;
    line-height: 0.9;
    position: relative;
}

.hero-title::before {
    content: 'Digital';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-purple);
    font-size: 1.2rem;
    opacity: 0.7;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.video-card {
    background: rgba(26, 26, 53, 0.8);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
}

.video-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-cyan);
}

/* Video Thumbnail */
.video-thumbnail-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    display: block;
    position: relative;
    z-index: 1;
}

.video-card:hover .video-thumbnail {
    transform: scale(1.1);
}

/* Play Overlay */
.video-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    border: 2px solid var(--primary-cyan);
    z-index: 15;
    pointer-events: none;
    box-shadow: var(--neon-glow);
}

.video-thumbnail-container:hover .video-play-overlay {
    opacity: 1;
}

.video-play-icon {
    width: 0;
    height: 0;
    border-left: 15px solid var(--primary-cyan);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    margin-left: 2px;
}

/* Play Link */
.play-link {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.play-link:hover {
    text-decoration: none;
    color: inherit;
}

/* Video Content */
.video-content {
    padding: 1.5rem;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-title a {
    color: inherit;
    text-decoration: none;
}

.video-title a:hover {
    color: var(--primary-cyan);
}

.video-description {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Video Meta */
.video-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.video-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-medium);
    font-size: 0.85rem;
}

.video-duration, .video-views {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Tags */
.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.video-tag {
    background: rgba(6, 182, 212, 0.1);
    color: var(--text-cyan);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(6, 182, 212, 0.3);
    position: relative;
}

.video-tag::before {
    content: '#';
    color: var(--accent-purple);
    margin-right: 2px;
}

.video-tag:hover {
    background: rgba(6, 182, 212, 0.2);
    color: var(--primary-cyan-light);
    transform: translateY(-1px);
    box-shadow: var(--neon-glow);
}

/* Watch Button */
.watch-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-light));
    color: var(--darker-bg);
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--neon-glow);
}

.watch-btn:hover {
    background: linear-gradient(135deg, var(--primary-cyan-dark), var(--primary-cyan));
    transform: translateY(-2px);
    box-shadow: var(--neon-glow-strong);
    color: var(--darker-bg);
    text-decoration: none;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    margin: 4rem 0;
}

.page-link {
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
    padding: 12px 16px;
    margin: 0 4px;
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
    background: rgba(26, 26, 53, 0.8);
    box-shadow: var(--shadow-light);
    border: 2px solid rgba(6, 182, 212, 0.3);
}

.page-link:hover {
    background: var(--primary-cyan);
    border-color: var(--primary-cyan);
    color: var(--darker-bg);
    transform: translateY(-1px);
    box-shadow: var(--neon-glow);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-cyan-light));
    border-color: var(--primary-cyan);
    color: var(--darker-bg);
    box-shadow: var(--neon-glow-strong);
}

/* Empty State */
.empty-container {
    text-align: center;
    padding: 5rem 2rem;
    background: rgba(26, 26, 53, 0.8);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin: 3rem 0;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    opacity: 0.6;
    color: var(--primary-cyan);
}

.empty-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.empty-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    max-width: 500px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .navbar-brand {
        font-size: 1.4rem;
    }

    .search-container {
        max-width: 350px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 4rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .video-content {
        padding: 1.25rem;
    }

    .video-title {
        font-size: 1rem;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-card {
    animation: fadeInUp 0.6s ease-out;
}

.video-card:nth-child(2) { animation-delay: 0.1s; }
.video-card:nth-child(3) { animation-delay: 0.2s; }
.video-card:nth-child(4) { animation-delay: 0.3s; }
.video-card:nth-child(5) { animation-delay: 0.4s; }

/* Neon border effect */
.neon-border {
    position: relative;
}

.neon-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-cyan), var(--accent-purple), var(--secondary-blue), var(--primary-cyan));
    border-radius: var(--border-radius);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.neon-border:hover::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Glitch effect for special elements */
.glitch {
    position: relative;
    color: var(--primary-cyan);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 0.5s infinite;
    color: var(--accent-purple);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.5s infinite;
    color: var(--secondary-blue);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(-2px, 2px); }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: 4px;
    box-shadow: var(--neon-glow);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-cyan-light);
}

/* Terminal-style cursor */
.cursor-blink {
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Matrix rain effect background */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    opacity: 0.03;
}

.matrix-bg::before {
    content: '0101010101001010101010100101010101001010101010100101010101001010';
    position: absolute;
    top: -100px;
    left: 0;
    right: 0;
    color: var(--primary-cyan);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 20px;
    white-space: nowrap;
    animation: matrixRain 10s linear infinite;
}

@keyframes matrixRain {
    0% { transform: translateY(-100px); }
    100% { transform: translateY(100vh); }
}