.music-player {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 100;
    background: rgba(22,40,58,0.9);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(243,156,18,0.2);
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    overflow: hidden;
}
body.light .music-player {
    background: rgba(255,255,255,0.92);
    border-color: rgba(22,35,58,0.08);
}
.music-player.open {
    width: 280px;
    border-radius: 40px;
    padding: 8px 18px 8px 14px;
    justify-content: space-between;
}
.music-player .toggle-icon {
    font-size: 1.3rem;
    color: var(--primary-ink);
    transition: all 0.3s;
    flex-shrink: 0;
}
.music-player .toggle-icon:hover {
    transform: scale(1.08);
}
.music-player .inner {
    display: none;
    align-items: center;
    gap: 10px;
    width: 100%;
}
.music-player.open .inner {
    display: flex;
}
.music-player.open .toggle-icon {
    font-size: 1rem;
}
.music-btn {
    background: transparent;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--primary-ink);
    transition: all 0.3s;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.music-btn:hover {
    background: rgba(243,156,18,0.12);
    transform: scale(1.08);
}
.music-btn.play-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #0b1a2e;
}
.music-btn.play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(243,156,18,0.3);
}
.music-info {
    display: flex;
    flex-direction: column;
    min-width: 60px;
}
.music-name {
    font-size: .65rem;
    color: var(--text);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
}
.music-bars {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0 4px;
}
.music-bar {
    width: 3px;
    height: 14px;
    background: var(--primary-ink);
    border-radius: 2px;
    animation: musicPulse 0.8s ease-in-out infinite alternate;
}
.music-bar:nth-child(2) {
    animation-delay: 0.2s;
    height: 20px;
}
.music-bar:nth-child(3) {
    animation-delay: 0.4s;
    height: 12px;
}
.music-bar:nth-child(4) {
    animation-delay: 0.6s;
    height: 16px;
}
@keyframes musicPulse {
    0% { height: 6px; opacity: 0.3; }
    100% { height: 20px; opacity: 1; }
}
.music-player.paused .music-bar {
    animation-play-state: paused;
    opacity: 0.2;
    height: 6px;
}
.music-volume {
    -webkit-appearance: none;
    width: 40px;
    height: 3px;
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
    outline: none;
    flex-shrink: 0;
}
body.light .music-volume {
    background: rgba(22,35,58,0.12);
}
.music-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}
@media (max-width: 768px) {
    .music-player {
        bottom: 16px;
        left: 16px;
        width: 44px;
        height: 44px;
    }
    .music-player.open {
        width: 200px;
        padding: 6px 12px;
    }
    .music-volume {
        width: 24px;
    }
    .music-name {
        max-width: 45px;
        font-size: .55rem;
    }
    .music-btn {
        width: 24px;
        height: 24px;
        font-size: .8rem;
    }
    .music-bars {
        display: none;
    }
}
@media (max-width: 480px) {
    .music-player {
        bottom: 12px;
        left: 12px;
        width: 38px;
        height: 38px;
    }
    .music-player.open {
        width: 180px;
        padding: 4px 10px;
    }
    .music-volume {
        width: 18px;
    }
    .music-name {
        max-width: 35px;
        font-size: .5rem;
    }
    .music-btn {
        width: 20px;
        height: 20px;
        font-size: .7rem;
    }
}