:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1f1f1f;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #6a6a6a;
    --accent-primary: #9333ea;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
    --border-color: #2a2a2a;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
}

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

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0.5rem 1.5rem 1.5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
}

.nav-section-title {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.sidebar-footer {
    margin-top: auto;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background 0.2s;
}

.user-link:hover {
    background: var(--bg-tertiary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-link {
    display: block;
    padding: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.logout-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 0.9rem;
    text-align: left;
}

.logout-btn:hover {
    color: var(--error);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    padding: 1rem 2rem;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.search-form {
    display: flex;
    max-width: 500px;
}

.search-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px 0 0 24px;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.search-btn {
    background: var(--accent-gradient);
    border: none;
    border-radius: 0 24px 24px 0;
    padding: 0 1.25rem;
    cursor: pointer;
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    padding-bottom: 100px;
}

/* Hero Section */
.hero-section {
    background: var(--accent-gradient);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 2rem;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 24px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(147, 51, 234, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}

/* Sections */
.section {
    margin-bottom: 2.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.see-all {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.see-all:hover {
    text-decoration: underline;
}

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

.track-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: 8px;
    transition: background 0.2s;
}

.track-item:hover {
    background: var(--bg-tertiary);
}

.track-cover {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.track-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cover-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cover-placeholder.large {
    font-size: 3rem;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

.track-item:hover .play-btn,
.album-card:hover .play-btn {
    opacity: 1;
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-title {
    display: block;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
}

.track-artist:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.track-plays, .track-genre, .track-duration {
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

.track-number {
    width: 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
}

/* Albums Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.album-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    transition: all 0.2s;
}

.album-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-4px);
}

.album-cover {
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.album-title {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-artist {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.album-type {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Artists Grid */
.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
}

.artist-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
}

.artist-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-4px);
}

.artist-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
}

.artist-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.artist-placeholder {
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.artist-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    font-size: 0.6rem;
    margin-left: 0.25rem;
}

.artist-type {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Audio Player */
.audio-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 2rem;
    z-index: 1000;
}

.audio-player.hidden {
    display: none;
}

.player-track-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 250px;
}

.player-cover {
    width: 56px;
    height: 56px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.player-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.player-details {
    flex: 1;
    min-width: 0;
}

.player-title {
    display: block;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-artist {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

.player-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s;
}

.player-btn:hover {
    color: var(--accent-primary);
}

.player-btn.play-pause {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.progress-bar, .volume-bar {
    -webkit-appearance: none;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
}

.progress-bar {
    flex: 1;
}

.progress-bar::-webkit-slider-thumb,
.volume-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

.time-current, .time-total {
    color: var(--text-muted);
    font-size: 0.8rem;
    min-width: 40px;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 150px;
}

.volume-icon {
    cursor: pointer;
}

.volume-bar {
    flex: 1;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Page Headers */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
}

/* Artist Page */
.artist-header {
    display: flex;
    align-items: flex-end;
    gap: 2rem;
    padding: 2rem;
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    border-radius: 16px;
    margin-bottom: 2rem;
}

.artist-header-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.artist-header-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.artist-header-info h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.artist-actions {
    display: flex;
    gap: 1rem;
}

/* Album Page */
.album-header {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    border-radius: 16px;
    margin-bottom: 2rem;
}

.album-header-cover {
    width: 220px;
    height: 220px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

.album-header-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-header-info {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.album-header-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.album-meta {
    color: var(--text-secondary);
}

.album-meta a {
    color: var(--text-primary);
    text-decoration: none;
}

.album-meta a:hover {
    text-decoration: underline;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tr:hover {
    background: var(--bg-tertiary);
}

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

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-pending {
    background: var(--warning);
    color: black;
}

.badge-approved {
    background: var(--success);
    color: white;
}

.badge-rejected {
    background: var(--error);
    color: white;
}

/* Admin Panel */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
}

.admin-nav {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1rem;
    height: fit-content;
}

.admin-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 0.25rem;
}

.admin-nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.admin-nav-link.active {
    background: var(--accent-gradient);
    color: white;
}

.admin-content {
    min-width: 0;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-message {
    color: var(--text-muted);
    font-style: italic;
}

/* Auth Pages */
.auth-container {
    max-width: 400px;
    margin: 2rem auto;
}

.auth-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-divider {
    text-align: center;
    color: var(--text-muted);
    margin: 1.5rem 0;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color);
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

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

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.5rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.25rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0 1rem;
    align-items: center;
    justify-content: space-between;
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.mobile-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-search-btn,
.mobile-user-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    text-decoration: none;
}

.mobile-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }
    
    .mobile-close-btn {
        display: block;
    }
    
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        z-index: 1001;
        transition: left 0.3s ease;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .sidebar-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-menu-overlay {
        display: block;
        pointer-events: none;
    }
    
    .mobile-menu-overlay.active {
        pointer-events: auto;
    }
    
    .main-content {
        margin-left: 0;
        padding-top: 60px;
    }
    
    .top-bar {
        display: none;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .albums-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .artists-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .artist-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .artist-header h1 {
        font-size: 2rem;
    }
    
    .album-header {
        flex-direction: column;
    }
    
    .album-header-cover {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }
    
    .admin-layout {
        grid-template-columns: 1fr;
    }
    
    .admin-nav {
        position: relative;
        width: 100%;
    }
    
    .audio-player {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem;
        padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
    }
    
    .player-track-info {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .player-controls {
        order: 1;
    }
    
    .player-progress {
        order: 2;
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .player-volume {
        display: none;
    }
    
    .track-item {
        padding: 0.75rem;
    }
    
    .track-genre,
    .track-plays {
        display: none;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .page-header {
        margin-bottom: 1.5rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .auth-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .modal {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    /* Import step grid */
    .import-step > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Table responsive */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table {
        min-width: 600px;
    }
    
    /* Cards */
    .card {
        padding: 1rem;
    }
    
    /* Stats grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .albums-grid {
        grid-template-columns: 1fr;
    }
    
    .artists-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .album-header-cover {
        width: 150px;
        height: 150px;
    }
    
    .artist-image {
        width: 120px !important;
        height: 120px !important;
    }
}

/* Top Bar Actions */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.top-bar-user {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* Footer */
.site-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 250px;
}

.footer-brand .logo {
    font-size: 1.25rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.25rem 0;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Alert animations */
.alert {
    transition: opacity 0.3s ease;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Tooltip */
[title] {
    position: relative;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}

/* Focus states */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .sidebar,
    .audio-player,
    .top-bar {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
    }
    
    .content-area {
        padding: 0;
    }
}

/* Bulk Import Styles */
.import-step {
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(29, 185, 84, 0.05);
}

.upload-zone-content {
    pointer-events: none;
}

.upload-zone-content button {
    pointer-events: auto;
}

.tracks-order-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.track-order-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: grab;
    transition: all 0.2s ease;
}

.track-order-item:hover {
    border-color: var(--accent-primary);
}

.track-order-item.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.track-order-item.drag-over {
    border-color: var(--accent-primary);
    background: rgba(29, 185, 84, 0.1);
}

.drag-handle {
    color: var(--text-muted);
    cursor: grab;
    font-size: 1.2rem;
    user-select: none;
}

.track-order-item .track-number {
    min-width: 30px;
    height: 30px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.track-order-info {
    flex: 1;
    min-width: 0;
}

.track-title-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.track-title-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.track-filename {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-order-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* OAuth / Viple ID Button */
.oauth-section {
    margin-bottom: 1.5rem;
    text-align: center;
}

.btn-viple-id {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-viple-id:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-viple-id:active {
    transform: translateY(0);
}

.viple-id-logo {
    font-size: 1.25rem;
}

.oauth-hint {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Auth Improvements */
.auth-container {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-error {
    background: var(--error);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.btn-block {
    width: 100%;
}