/**
 * Music Library - Player Component
 * 
 * Ce fichier contient les styles pour le lecteur audio sticky en bas de l'écran.
 * Le lecteur reste visible pendant la navigation et affiche les contrôles de lecture.
 * 
 * @module assets/css/components/player
 * @version 1.0.0
 */

/* Music Player Container */
.music-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--music-bg-secondary);
    border-top: 1px solid var(--music-border);
    padding: var(--music-spacing-md) var(--music-spacing-lg);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--music-spacing-lg);
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
}

/* Track Info Section */
.player-track-info {
    display: flex;
    align-items: center;
    gap: var(--music-spacing-md);
    min-width: 0;
}

.player-cover {
    width: 56px;
    height: 56px;
    border-radius: var(--music-radius-sm);
    object-fit: cover;
    background: var(--music-bg-card);
    flex-shrink: 0;
}

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

.player-title {
    font-weight: 600;
    color: var(--music-text-primary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.player-artist {
    font-size: 0.75rem;
    color: var(--music-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Controls Center Section */
.player-controls-center {
    display: flex;
    align-items: center;
    gap: var(--music-spacing-sm);
    justify-content: center;
}

.player-btn {
    background: transparent;
    border: none;
    color: var(--music-text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--music-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

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

.player-btn-play {
    background: var(--music-primary);
    color: white;
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
}

.player-btn-play:hover {
    background: #00b8e6;
    transform: scale(1.1);
}

.player-btn.active {
    color: var(--music-primary);
}

/* Progress Section */
.player-progress-container {
    display: flex;
    align-items: center;
    gap: var(--music-spacing-md);
    grid-column: 1 / -1;
    margin-top: var(--music-spacing-sm);
}

.player-time {
    font-size: 0.75rem;
    color: var(--music-text-muted);
    min-width: 40px;
    text-align: center;
}

.player-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--music-bg-card);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.player-progress-bar:hover {
    height: 8px;
}

.player-progress-fill {
    height: 100%;
    background: var(--music-primary);
    width: 0%;
    transition: width 0.1s linear;
    border-radius: 3px;
}

.player-progress-bar:hover .player-progress-fill {
    background: #00b8e6;
}

/* Volume Section */
.player-volume-container {
    display: flex;
    align-items: center;
    gap: var(--music-spacing-sm);
    justify-content: flex-end;
}

.player-volume-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--music-bg-card);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.player-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--music-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--music-transition);
}

.player-volume-slider::-webkit-slider-thumb:hover {
    background: #00b8e6;
    transform: scale(1.2);
}

.player-volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--music-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all var(--music-transition);
}

.player-volume-slider::-moz-range-thumb:hover {
    background: #00b8e6;
    transform: scale(1.2);
}

/* Player States */
.music-player.playing .player-btn-play span::before {
    content: '⏸️';
}

.music-player.loading .player-btn-play {
    opacity: 0.5;
    cursor: wait;
}

/* Queue Indicator */
.queue-indicator {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--music-primary);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--music-bg-secondary);
}

/* Favorite Button in Player */
.player-favorite-btn {
    background: transparent;
    border: none;
    color: var(--music-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--music-transition);
    padding: var(--music-spacing-xs);
}

.player-favorite-btn:hover {
    color: #ef4444;
    transform: scale(1.1);
}

.player-favorite-btn.active {
    color: #ef4444;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.music-player.playing .player-cover {
    animation: pulse 2s ease-in-out infinite;
}

/* Compact Mode (when scrolled) */
.music-player.compact {
    padding: var(--music-spacing-sm) var(--music-spacing-lg);
}

.music-player.compact .player-cover {
    width: 40px;
    height: 40px;
}

.music-player.compact .player-btn {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.music-player.compact .player-btn-play {
    width: 40px;
    height: 40px;
    font-size: 1.125rem;
}

/* Hidden State */
.music-player.hidden {
    transform: translateY(100%);
    transition: transform var(--music-transition-slow);
}

/* Visualizer (optional) */
.player-visualizer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--music-primary) 0%, 
        var(--music-secondary) 50%, 
        var(--music-primary) 100%);
    opacity: 0.5;
}

.music-player.playing .player-visualizer {
    animation: visualizer 2s ease-in-out infinite;
}

@keyframes visualizer {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.7;
    }
}