/* Gawr Gura Dark Ocean Theme */
:root {
    --ocean-primary: #0f172a;
    --ocean-secondary: #1e293b;
    --ocean-light: #334155;
    --ocean-dark: #020617;
    --foam-white: #e2e8f0;
    --foam-gray: #94a3b8;
    --coral-pink: #f59e0b;
    --shark-blue: #0ea5e9;
    --deep-blue: #0c4a6e;
    --accent-blue: #3b82f6;
    --dark-surface: #1e293b;
    --darker-surface: #0f172a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Comfortaa', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--ocean-dark) 0%, var(--ocean-primary) 50%, var(--darker-surface) 100%);
    color: var(--foam-white);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated Ocean Background */
.ocean-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.3) 0%, transparent 50%);
}

.bubbles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.bubble {
    position: absolute;
    bottom: -100px;
    width: 40px;
    height: 40px;
    background: rgba(248, 250, 252, 0.1);
    border-radius: 50%;
    animation: bubble-rise 15s infinite ease-in-out;
}

.bubble:nth-child(1) { left: 10%; animation-delay: 0s; }
.bubble:nth-child(2) { left: 20%; animation-delay: 2s; width: 20px; height: 20px; }
.bubble:nth-child(3) { left: 35%; animation-delay: 4s; }
.bubble:nth-child(4) { left: 50%; animation-delay: 6s; width: 60px; height: 60px; }
.bubble:nth-child(5) { left: 70%; animation-delay: 8s; width: 30px; height: 30px; }
.bubble:nth-child(6) { left: 90%; animation-delay: 10s; }

@keyframes bubble-rise {
    0% {
        bottom: -100px;
        transform: translateX(0);
    }
    50% {
        transform: translateX(100px);
    }
    100% {
        bottom: 100vh;
        transform: translateX(-200px);
    }
}

/* Header */
.header {
    backdrop-filter: blur(10px);
    background: rgba(2, 6, 23, 0.95);
    border-bottom: 2px solid var(--ocean-secondary);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.shark {
    font-size: 3rem;
    animation: shark-swim 3s ease-in-out infinite;
}

@keyframes shark-swim {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(3deg); }
}

.logo h1 {
    font-family: 'Fredoka', cursive;
    font-size: 2rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--ocean-light), var(--coral-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-input {
    padding: 0.75rem 1rem;
    border: 2px solid var(--ocean-secondary);
    border-radius: 25px;
    background: rgba(30, 41, 59, 0.7);
    color: var(--foam-white);
    font-size: 1rem;
    width: 300px;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: var(--foam-gray);
}

.search-input:focus {
    outline: none;
    border-color: var(--coral-pink);
    background: rgba(30, 41, 59, 0.9);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.search-btn {
    background: linear-gradient(45deg, var(--ocean-secondary), var(--accent-blue));
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    color: var(--foam-white);
}

.search-btn:hover {
    transform: scale(1.1);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(51, 65, 85, 0.5);
    transition: transform 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    background: rgba(30, 41, 59, 0.7);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--coral-pink);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--foam-gray);
    font-size: 0.9rem;
}

/* Video Player Section */
.video-player-section {
    margin-bottom: 3rem;
}

.video-container {
    background: rgba(2, 6, 23, 0.9);
    border-radius: 20px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--ocean-secondary);
}

.video-container video {
    width: 100%;
    border-radius: 15px;
}

.video-info h2 {
    font-family: 'Fredoka', cursive;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--foam-white);
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.video-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quality-selector {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--ocean-light);
    color: var(--foam-white);
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quality-selector:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.fullscreen-btn {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--ocean-light);
    color: var(--foam-white);
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fullscreen-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.date, .size {
    background: rgba(30, 41, 59, 0.6);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--foam-white);
}

.video-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
    align-items: center;
}

.download-btn {
    background: var(--accent-blue);
    border: 2px solid var(--accent-blue);
    color: var(--foam-white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.download-btn:hover {
    background: var(--shark-blue);
    border-color: var(--shark-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.download-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

.back-btn {
    background: var(--ocean-light);
    border: 2px solid var(--ocean-light);
    color: var(--foam-white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(51, 65, 85, 0.3);
}

.back-btn:hover {
    background: var(--ocean-secondary);
    border-color: var(--ocean-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.4);
}

.back-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(51, 65, 85, 0.2);
}

/* Video Grid */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-family: 'Fredoka', cursive;
    font-size: 2rem;
    color: var(--foam-white);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--ocean-light);
    color: var(--foam-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.videos-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.video-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(51, 65, 85, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
    border-color: var(--coral-pink);
    background: rgba(30, 41, 59, 0.8);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    background: linear-gradient(45deg, var(--ocean-dark), var(--ocean-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(251, 191, 36, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.video-details {
    padding: 1.5rem;
}

.video-title {
    font-family: 'Fredoka', cursive;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--foam-white);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-info-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--foam-gray);
    font-size: 0.9rem;
}

.video-category {
    background: rgba(59, 130, 246, 0.4);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--foam-white);
}

/* Loading Animation */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
}

.shark-loading {
    font-size: 4rem;
    animation: shark-swim 2s ease-in-out infinite;
    margin-bottom: 1rem;
}

/* Transcoding Overlay */
.transcoding-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 15px;
}

.transcoding-content {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}

.transcoding-content .shark-loading {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.transcoding-content h3 {
    font-family: 'Fredoka', cursive;
    font-size: 1.5rem;
    color: var(--coral-pink);
    margin-bottom: 0.5rem;
}

.transcoding-content p {
    color: var(--foam-gray);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.transcoding-content small {
    color: var(--foam-gray);
    font-size: 0.85rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-indicator {
    height: 100%;
    background: linear-gradient(90deg, var(--coral-pink), var(--shark-blue));
    width: 0%;
    animation: progress-indeterminate 2s infinite linear;
}

@keyframes progress-indeterminate {
    0% {
        width: 0%;
        margin-left: 0%;
    }
    50% {
        width: 50%;
        margin-left: 25%;
    }
    100% {
        width: 0%;
        margin-left: 100%;
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: rgba(2, 6, 23, 0.9);
    color: var(--foam-gray);
    border-top: 1px solid var(--ocean-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-input {
        width: 250px;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .videos-container {
        grid-template-columns: 1fr;
    }
    
    .video-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .video-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .quality-selector {
        flex: 1;
        margin-right: 0.5rem;
    }
    
    .video-actions {
        margin-left: 0;
        width: 100%;
        justify-content: center;
        gap: 0.75rem;
    }
    
    .download-btn, .back-btn {
        flex: 1;
        max-width: 120px;
        text-align: center;
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .video-container {
        margin: 0 -1rem;
        border-radius: 0;
        padding: 0.5rem;
    }
    
    .video-container video {
        border-radius: 10px;
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .shark {
        font-size: 2rem;
    }
    
    .search-input {
        width: 200px;
    }
    
    .filter-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .filter-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .video-card {
        margin: 0 -0.5rem;
    }
    
    .video-thumbnail {
        height: 160px;
    }
    
    .quality-selector {
        font-size: 0.8rem;
        padding: 0.4rem;
    }
    
    .fullscreen-btn {
        min-width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}