:root {
    --bg-dark: #050505;
    --bg-panel: #0a0a0a;
    --bg-card: #111111;
    --primary-neon: #00f3ff;
    --secondary-neon: #bc13fe;
    --text-main: #ffffff;
    --text-dim: #888888;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --nav-height: 70px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-neon) var(--bg-dark);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-neon);
    border-radius: 3px;
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    letter-spacing: 2px;
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-item {
    color: var(--text-dim);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item:hover, .nav-item.active {
    color: var(--primary-neon);
    text-shadow: 0 0 8px rgba(0, 243, 255, 0.3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    color: var(--primary-neon);
    transform: scale(1.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 24px;
    cursor: pointer;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 200;
    display: none;
    justify-content: center;
    padding-top: 100px;
}

.search-overlay.active {
    display: flex;
}

.search-content {
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: -50px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 24px;
    cursor: pointer;
}

.close-btn:hover {
    color: var(--primary-neon);
}

#searchInput {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--primary-neon);
    padding: 15px 0;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 32px;
    outline: none;
    text-align: center;
}

.search-results {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 20px;
}

.search-item {
    background: var(--bg-panel);
    border: var(--glass-border);
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-weight: 500;
    align-items: center;
    display: flex;
}

.search-item:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--primary-neon);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 243, 255, 0.2);
}

/* App Container */
.app-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at top right, #1a1a1a 0%, #050505 40%);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* Player Section (Sticky) */
.player-section {
    padding: 20px;
    border-bottom: var(--glass-border);
    position: sticky;
    top: var(--nav-height);
    background: var(--bg-dark);
    z-index: 90;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    max-height: 50vh;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #222;
    margin: 0 auto;
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.placeholder-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.8);
    z-index: 5;
}

.placeholder-overlay h2 {
    font-family: var(--font-heading);
    color: var(--primary-neon);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.placeholder-overlay p {
    color: var(--text-dim);
    font-size: 14px;
    letter-spacing: 4px;
}

.pulse-ring {
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary-neon);
    border-radius: 50%;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.5; box-shadow: 0 0 0 0 rgba(0, 243, 255, 0.4); }
    70% { transform: scale(1.2); opacity: 0; box-shadow: 0 0 0 20px rgba(0, 243, 255, 0); }
    100% { transform: scale(0.8); opacity: 0; }
}

.channel-info {
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

#currentChannelName {
    font-family: var(--font-heading);
    font-size: 24px;
}

.badge {
    background: rgba(188, 19, 254, 0.2);
    color: var(--secondary-neon);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(188, 19, 254, 0.4);
}

/* Channels Section */
.channels-section {
    flex: 1;
    padding: 30px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.section-header h3 {
    font-family: var(--font-heading);
    color: var(--text-main);
    letter-spacing: 1px;
}

.count-badge {
    background: #222;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    color: var(--text-dim);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.channel-card {
    background: var(--bg-card);
    border: 1px solid #222;
    padding: 25px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100px;
}

.channel-card:hover {
    border-color: var(--primary-neon);
    transform: translateY(-4px);
    box-shadow: 0 5px 20px rgba(0, 243, 255, 0.1);
}

.channel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-neon);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.channel-card:hover::before {
    transform: scaleX(1);
}

.channel-name {
    font-weight: 600;
    font-size: 16px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    color: #eee;
}

.loading-text {
    color: var(--text-dim);
    text-align: center;
    padding: 20px;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 30px 0;
    flex-wrap: wrap;
}

.page-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--primary-neon);
    color: var(--primary-neon);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-family: var(--font-heading);
    color: var(--text-dim);
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--bg-panel);
    border-top: var(--glass-border);
    padding: 20px;
    text-align: center;
    margin-top: auto;
}

.footer p {
    color: var(--text-dim);
    font-size: 14px;
}

.footer a {
    color: var(--primary-neon);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .navbar {
        padding: 0 15px;
    }

    .nav-brand h1 {
        font-size: 20px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-bottom: var(--glass-border);
        gap: 20px;
    }
    
    .nav-links.mobile-active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .player-section {
        padding: 15px;
        position: sticky;
        top: var(--nav-height);
    }
    
    .video-container {
        max-height: 30vh;
    }

    .channels-section {
        padding: 15px;
    }
    
    .channel-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}