.catalog-hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.8)), url('https://images.unsplash.com/photo-1619983081563-430f63602796?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
}

.catalog-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 50%, #2d2d2d 100%);
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border-color: transparent;
    transform: translateY(-2px);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.album-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.album-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(76, 205, 196, 0.4);
    border-color: #4ecdc4;
}

.album-cover-wrapper {
    position: relative;
    overflow: hidden;
}

.album-cover {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.album-card:hover .album-cover {
    transform: scale(1.08);
}

.album-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 1;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.play-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: transform 0.3s ease;
}

.album-card:hover .play-icon {
    transform: scale(1.1);
}

.album-content {
    padding: 2rem;
}

.album-genre {
    font-size: 0.85rem;
    color: #4ecdc4;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.album-title {
    font-size: 1.8rem;
    color: #e0e0e0;
    margin-bottom: 0.5rem;
}

.album-artist {
    font-size: 1rem;
    color: #b0b0b0;
    margin-bottom: 1.5rem;
}

.album-description {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.album-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
}

.meta-item {
    text-align: center;
}

.meta-label {
    font-size: 0.8rem;
    color: #b0b0b0;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 1rem;
    color: #4ecdc4;
    font-weight: bold;
}

.track-list {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.album-card.expanded .track-list {
    max-height: 400px;
}

.track-list h4 {
    color: #4ecdc4;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.track-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: #b0b0b0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.track-item:last-child {
    border-bottom: none;
}

.track-number {
    color: #4ecdc4;
    margin-right: 0.5rem;
}

.album-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.price-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ff6b6b;
}

.price-format {
    font-size: 0.9rem;
    color: #b0b0b0;
}

.album-actions {
    display: flex;
    gap: 0.5rem;
}

.buy-btn {
    flex: 1;
    padding: 14px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.buy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(76, 205, 196, 0.5);
}

.view-tracks-btn {
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-tracks-btn:hover {
    background: rgba(76, 205, 196, 0.2);
    border-color: #4ecdc4;
}

@media (max-width: 768px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .album-meta {
        grid-template-columns: repeat(3, 1fr);
    }
}