/* ========================================
   Music Page Styles
   ======================================== */

/* Hero Banner */
.music-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    margin-bottom: 32px;
    overflow: hidden;
    isolation: isolate;
}

.music-hero-content {
    position: relative;
    z-index: 2;
}

.music-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(102, 126, 234, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-500);
    margin-bottom: 20px;
}

.music-hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.music-hero-title .gradient-text {
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.music-hero-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 28px;
}

.music-hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat .stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-500);
}

.hero-stat .stat-label {
    font-size: 12px;
    color: var(--text-tertiary);
}

.music-hero-wave {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
}

.wave {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(102, 126, 234, 0.05) 20px,
        rgba(102, 126, 234, 0.05) 40px
    );
    animation: waveMove 20s linear infinite;
}

.wave:nth-child(2) {
    opacity: 0.5;
    animation-duration: 15s;
    animation-direction: reverse;
}

.wave:nth-child(3) {
    opacity: 0.3;
    animation-duration: 10s;
}

.wave:nth-child(4) {
    opacity: 0.2;
    animation-duration: 25s;
}

@keyframes waveMove {
    from { transform: translateX(0) translateY(0); }
    to { transform: translateX(100px) translateY(-50px); }
}

/* Search Section */
.music-search-section {
    margin-bottom: 40px;
}

.search-container {
    position: relative;
    max-width: 500px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 16px;
}

.music-search-input {
    width: 100%;
    padding: 14px 50px 14px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.music-search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: #fff;
    cursor: pointer;
    transition: var(--transition-base);
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.05);
}

/* Sections */
.music-section {
    margin-bottom: 48px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-header-left i {
    font-size: 24px;
    color: var(--primary-500);
}

.section-header-left h2 {
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-create {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: #fff;
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-create:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Playlists Grid */
.playlists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.playlist-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

.playlist-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-500);
    box-shadow: var(--shadow-lg);
}

.playlist-card-cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

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

.playlist-card:hover .playlist-card-cover img {
    transform: scale(1.05);
}

.playlist-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: var(--gradient-primary);
}

.playlist-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.playlist-card:hover .playlist-overlay {
    opacity: 1;
}

.playlist-overlay i {
    font-size: 32px;
    color: #fff;
}

.playlist-card-info {
    padding: 12px 16px;
}

.playlist-card-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playlist-card-count {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Songs Table */
.songs-table {
    width: 100%;
}

.songs-table-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 120px 100px;
    padding: 12px 16px;
    background: var(--bg-hover);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.song-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 120px 100px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: var(--transition-base);
}

.song-row:hover {
    border-color: var(--primary-500);
    transform: translateX(4px);
    background: var(--bg-hover);
}

.col-cover {
    display: flex;
    align-items: center;
    gap: 12px;
}

.song-cover-mini {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.song-cover-mini i {
    font-size: 18px;
    color: #fff;
}

.song-number {
    font-size: 14px;
    color: var(--text-tertiary);
}

.song-title {
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-artist {
    font-size: 13px;
    color: var(--text-tertiary);
}

.song-date {
    font-size: 12px;
    color: var(--text-tertiary);
}

.col-actions {
    display: flex;
    gap: 8px;
}

.action-play, .action-add {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.action-play {
    background: var(--gradient-primary);
    color: #fff;
}

.action-play:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.action-add:hover {
    background: var(--primary-500);
    color: #fff;
}

/* Empty States */
.empty-playlists, .empty-songs {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.empty-icon {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-playlists p, .empty-songs p {
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

/* Search Results */
.search-results-container {
    margin-bottom: 32px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
    .songs-table-header,
    .song-row {
        grid-template-columns: 60px 1fr 1fr 100px 80px;
    }
}

@media (max-width: 768px) {
    .music-hero {
        padding: 32px 24px;
    }
    
    .music-hero-title {
        font-size: 32px;
    }
    
    .music-hero-stats {
        gap: 24px;
    }
    
    .hero-stat .stat-value {
        font-size: 22px;
    }
    
    .playlists-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
    
    .songs-table-header {
        display: none;
    }
    
    .song-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .col-cover {
        justify-content: space-between;
    }
    
    .col-title, .col-artist, .col-date {
        padding-left: 52px;
    }
    
    .col-actions {
        padding-left: 52px;
    }
}

@media (max-width: 480px) {
    .music-hero-title {
        font-size: 24px;
    }
    
    .music-hero-desc {
        font-size: 13px;
    }
    
    .playlists-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .playlist-card-name {
        font-size: 12px;
    }
}

/* ========================================
   Music Player Styles
   ======================================== */

.music-player {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 100;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
    .music-player {
        left: 0;
        bottom: 60px;
        padding: 10px 16px;
    }
}

/* Progress Container */
.player-progress-container {
    position: relative;
    margin-bottom: 10px;
}

.player-progress-bar {
    height: 4px;
    background: var(--bg-hover);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: height 0.2s ease;
}

.player-progress-bar:hover {
    height: 6px;
}

.player-progress-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    position: relative;
}

.player-progress-thumb {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--primary-500);
    border-radius: 50%;
    left: 0%;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.5);
}

.player-progress-bar:hover .player-progress-thumb {
    opacity: 1;
}

.player-time {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Player Main */
.player-main {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Cover */
.player-cover {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

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

/* Info */
.player-info {
    flex: 1;
    min-width: 0;
}

.player-track {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.player-artist {
    font-size: 12px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Controls */
.player-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.player-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.player-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-500);
    transform: scale(1.05);
}

.player-btn.play-btn {
    background: var(--gradient-primary);
    color: #fff;
    width: 46px;
    height: 46px;
    font-size: 20px;
    box-shadow: var(--shadow-glow);
}

.player-btn.play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
}

/* Volume */
.player-volume {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.volume-slider-container {
    width: 90px;
}

.volume-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: var(--bg-hover);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--primary-500);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Player Animation */
@keyframes playerSlideIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.music-player {
    animation: playerSlideIn 0.3s ease;
}

/* Pulse animation for playing */
@keyframes pulsePlaying {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

.player-btn.play-btn:active {
    animation: pulsePlaying 0.5s ease;
}

/* Responsive */
@media (max-width: 640px) {
    .player-cover {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .player-info {
        max-width: 130px;
    }
    
    .player-track {
        font-size: 13px;
    }
    
    .player-artist {
        font-size: 11px;
    }
    
    .player-controls {
        gap: 8px;
    }
    
    .player-btn {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }
    
    .player-btn.play-btn {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }
    
    .player-volume {
        display: none;
    }
}

@media (max-width: 480px) {
    .player-info {
        max-width: 100px;
    }
}

/* ========================================
   Music Player Styles (VK-style)
   ======================================== */

/* Глобальный плеер */
.music-player {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 100;
    display: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.music-player.visible {
    display: block;
    animation: slideUp 0.3s ease;
}

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

@media (max-width: 768px) {
    .music-player {
        left: 0;
        bottom: 60px;
        padding: 10px 16px;
    }
}

/* Прогресс бар */
.player-progress-container {
    position: relative;
    margin-bottom: 8px;
}

.player-progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: height 0.2s ease;
}

.player-progress-bar:hover {
    height: 6px;
}

.player-progress-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    position: relative;
    transition: width 0.1s linear;
}

.player-progress-thumb {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    left: 0%;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.5);
}

.player-progress-bar:hover .player-progress-thumb {
    opacity: 1;
}

.player-time {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Основная часть плеера */
.player-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Обложка трека */
.player-cover {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    overflow: hidden;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

/* Информация о треке */
.player-info {
    flex: 1;
    min-width: 0;
}

.player-track {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.player-artist {
    font-size: 12px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Кнопки управления */
.player-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.player-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.player-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-500);
    transform: scale(1.05);
}

.player-btn.play-btn {
    background: var(--gradient-primary);
    color: #fff;
    width: 48px;
    height: 48px;
    font-size: 22px;
    box-shadow: var(--shadow-glow);
}

.player-btn.play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
}

/* Громкость */
.player-volume {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.volume-slider-container {
    width: 90px;
}

.volume-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--primary-500);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Адаптив */
@media (max-width: 640px) {
    .player-cover {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .player-info {
        max-width: 120px;
    }
    
    .player-track {
        font-size: 13px;
    }
    
    .player-artist {
        font-size: 11px;
    }
    
    .player-controls {
        gap: 4px;
    }
    
    .player-btn {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .player-btn.play-btn {
        width: 42px;
        height: 42px;
        font-size: 20px;
    }
    
    .player-volume {
        display: none;
    }
}

/* Анимация пульсации при воспроизведении */
@keyframes playingPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

.player-btn.play-btn:active {
    animation: playingPulse 0.5s ease;
}