:root {
    --primary: #4ECDC4;
    --primary-dark: #3AB5AD;
    --primary-light: #7FD9D3;
    --secondary: #95E1D3;
    --accent: #00B4D8;
    
    --dark: #0A0A0A;
    --dark-gray: #1A1A1A;
    --medium-gray: #2A2A2A;
    --light-gray: #3A3A3A;
    
    --white: #FFFFFF;
    --off-white: #F5F5F5;
    
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #808080;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Darker Grotesque', -apple-system, sans-serif;
    background: var(--dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--medium-gray);
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    animation: expandWidth 0.3s ease-out;
}

@keyframes expandWidth {
    from { width: 0; }
    to { width: 100%; }
}

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

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1rem;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: 50px;
    padding: 0.75rem 1rem 0.75rem 3rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    width: 280px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    width: 320px;
    background: var(--medium-gray);
}

.cart-btn,
.user-btn {
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.cart-btn:hover,
.user-btn:hover {
    background: var(--medium-gray);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.cart-btn svg,
.user-btn svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--primary);
    color: var(--dark);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 50px;
    min-width: 18px;
    text-align: center;
}

/* Hero Section */
.hero {
    position: relative;
    margin-top: 80px;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(78, 205, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 180, 216, 0.1) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--dark);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.title-line {
    display: block;
    animation: slideInLeft 0.6s ease-out both;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--dark);
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--dark);
    transform: translateY(-3px);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent, var(--dark));
}

/* Featured Section */
.featured,
.charts,
.genres {
    padding: 4rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.see-all {
    color: var(--primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

.see-all:hover {
    transform: translateX(5px);
}

/* Albums Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.album-card {
    background: var(--dark-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.album-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.album-cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--medium-gray);
}

.album-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-cover-placeholder svg {
    width: 100%;
    height: 100%;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.album-card:hover .play-overlay {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.play-overlay svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

.album-actions {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: var(--transition);
}

.album-card:hover .album-actions {
    opacity: 1;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary);
    color: var(--dark);
    transform: scale(1.1);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

.album-info {
    padding: 1.25rem;
}

.album-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.album-artist {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.album-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.album-genre {
    background: var(--medium-gray);
    color: var(--primary);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.album-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

/* Tracks List */
.tracks-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.track-item {
    display: grid;
    grid-template-columns: 50px 50px 60px 1fr 250px 80px 100px 50px;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--dark-gray);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    transition: var(--transition);
}

.track-item:hover {
    background: var(--medium-gray);
    border-color: var(--primary);
    transform: translateX(5px);
}

.track-position {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: 'Space Mono', monospace;
}

.track-play {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.track-play:hover {
    transform: scale(1.1);
}

.track-play svg {
    width: 100%;
    height: 100%;
}

.track-cover {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: var(--medium-gray);
    overflow: hidden;
}

.track-cover-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--medium-gray), var(--light-gray));
}

.track-info {
    min-width: 0;
}

.track-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    color: var(--text-secondary);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-meta {
    display: flex;
    gap: 1rem;
}

.track-genre,
.track-bpm,
.track-key {
    background: var(--medium-gray);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.track-genre {
    color: var(--primary);
}

.track-time {
    font-family: 'Space Mono', monospace;
    color: var(--text-secondary);
}

.track-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.track-add {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.track-add:hover {
    background: var(--primary);
    color: var(--dark);
    transform: rotate(90deg);
}

.track-add svg {
    width: 20px;
    height: 20px;
}

/* Chart Filters */
.chart-filters {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

/* Genres Grid */
.genres-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.genre-card {
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.genre-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--genre-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.genre-card:hover::before {
    opacity: 0.1;
}

.genre-card:hover {
    transform: translateY(-5px);
    border-color: var(--genre-color);
    box-shadow: 0 8px 24px rgba(78, 205, 196, 0.2);
}

.genre-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    color: var(--genre-color);
    position: relative;
    z-index: 1;
}

.genre-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.genre-count {
    color: var(--text-muted);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    border-top: 1px solid var(--medium-gray);
    padding: 4rem 0 2rem;
    margin-top: 6rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section .logo {
    margin-bottom: 1rem;
}

.footer-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 350px;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--medium-gray);
    color: var(--text-muted);
}

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

.payment-icon {
    height: 30px;
}

/* Audio Player */
.audio-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--primary);
    padding: 1rem 2rem;
    z-index: 999;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.player-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 300px 1fr 200px;
    align-items: center;
    gap: 2rem;
}

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

.player-cover {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: var(--medium-gray);
}

.player-track {
    min-width: 0;
}

.player-title {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-artist {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.player-btn {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

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

.player-btn.play-pause {
    width: 50px;
    height: 50px;
}

.player-btn svg {
    width: 100%;
    height: 100%;
}

.player-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    grid-column: 1 / -1;
    margin-top: 0.5rem;
}

.time-current,
.time-total {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 45px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--medium-gray);
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 50px;
    width: 0%;
    transition: width 0.1s linear;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.player-volume svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .track-item {
        grid-template-columns: 40px 40px 50px 1fr 80px 40px;
        gap: 0.75rem;
    }
    
    .track-meta {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .hero {
        padding: 4rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
    
    .track-item {
        grid-template-columns: 40px 1fr 80px 40px;
    }
    
    .track-position,
    .track-cover {
        display: none;
    }
    
    .genres-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .player-content {
        grid-template-columns: 1fr;
    }
    
    .player-volume {
        display: none;
    }
}