/* Glassmorphism Music Player Styles */
:root {
    --player-glass-bg: rgba(15, 23, 42, 0.75);
    --player-glass-border: rgba(255, 255, 255, 0.1);
}

.music-player-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    background: var(--player-glass-bg);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid var(--player-glass-border);
    border-radius: 24px;
    padding: 16px;
    color: #fff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.music-player-container.minimized {
    width: 60px;
    height: 60px;
    padding: 0;
    overflow: hidden;
    border-radius: 50%;
    bottom: 30px;
    right: 30px;
    transform: none; left: auto;
}

.player-toggle {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
}

.minimized .player-toggle {
    display: flex;
}

.minimized .player-main {
    display: none;
}

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

.album-art {
    width: 60px;
    height: 60px;
    border-radius: 50%; /* Make album art purely circular */
    background: linear-gradient(135deg, #6366f1, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.album-art::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('images/爱丽丝立绘（平静）.png') center/cover;
    opacity: 0.6;
}

.song-info {
    flex: 1;
}

.song-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.song-artist {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.control-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.play-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    width: 0%;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.2s;
}

.progress-container:hover .progress-bar::after {
    opacity: 1;
}

.close-player {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 14px;
    opacity: 0.4;
    cursor: pointer;
}

.close-player:hover {
    opacity: 1;
}

/* Animations */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float-note {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }
    20% {
        opacity: 0.8;
        transform: translateY(-20px) scale(1.2) translateX(15px);
    }
    80% {
        opacity: 0.8;
        transform: translateY(-80px) scale(1) translateX(-20px);
    }
    100% {
        transform: translateY(-120px) scale(0.8) translateX(-30px);
        opacity: 0;
    }
}

.music-note {
    position: absolute;
    color: var(--color-primary);
    font-size: 20px;
    pointer-events: none;
    z-index: 999;
}

.playing .album-art,
.playing.minimized .player-toggle {
    animation: spin 8s linear infinite;
}

/* Playlist UI */
.playlist-container {
    max-height: 120px;
    overflow-y: auto;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.playlist-container::-webkit-scrollbar {
    width: 4px;
}
.playlist-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}
.playlist-item {
    display: flex;
    align-items: center;
    padding: 6px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}
.playlist-item:hover {
    background: rgba(255,255,255,0.1);
}
.playlist-item.active {
    background: rgba(99, 102, 241, 0.3);
    border-left: 3px solid #6366f1;
}
.playlist-item-title {
    font-size: 0.85rem;
    color: #fff;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.playlist-item-icon {
    font-size: 0.8rem;
    margin-right: 8px;
    opacity: 0.7;
}

/* Volume Slider Input */
input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}
input[type=range]::-webkit-slider-thumb {
    height: 12px;
    width: 12px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    margin-top: -4px;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.playing .album-art {
    animation: spin 10s linear infinite;
}

@media (max-width: 768px) {
    .music-player-container {
        width: 90%;
        bottom: 10px;
    }
}