.muu-player-card {
    background: linear-gradient(145deg, #111827, #1f2937);
    border-radius: 22px;
    padding: 20px;
    color: #fff;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
}

.muu-player-card * {
    box-sizing: border-box;
}

.muu-player-top {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.muu-player-cover {
    width: 86px;
    height: 86px;
    border-radius: 20px;
    background: linear-gradient(135deg, #7c3aed, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 16px rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.muu-disc {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: radial-gradient(circle, #111 15%, #222 18%, #000 60%, #333 100%);
    position: relative;
}

.muu-disc::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background: #d1d5db;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.muu-label {
    display: inline-block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #93c5fd;
    margin-bottom: 6px;
}

.muu-track-title {
    font-size: 18px;
    margin: 0 0 6px;
    line-height: 1.3;
    color: #fff;
    word-break: break-word;
}

.muu-track-counter {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.muu-progress-wrap {
    display: grid;
    grid-template-columns: 42px 1fr 42px;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}

.muu-current-time,
.muu-duration {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.72);
    text-align: center;
}

.muu-progress,
.muu-volume {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    outline: none;
}

.muu-progress::-webkit-slider-thumb,
.muu-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.muu-progress::-moz-range-thumb,
.muu-volume::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.muu-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 18px;
}

.muu-btn {
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.25s ease;
    backdrop-filter: blur(8px);
}

.muu-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.muu-play {
    width: 58px;
    height: 58px;
    font-size: 20px;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    box-shadow: 0 10px 24px rgba(6, 182, 212, 0.25);
}

.muu-volume-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.muu-volume-icon {
    font-size: 16px;
}

.muu-playlist {
    max-height: 240px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 4px;
}

.muu-playlist::-webkit-scrollbar {
    width: 6px;
}

.muu-playlist::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
}

.muu-track-item {
    width: 100%;
    border: 0;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    text-align: left;
    padding: 12px 14px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.muu-track-item:hover,
.muu-track-item.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.35), rgba(6, 182, 212, 0.25));
    transform: translateX(2px);
}

.muu-track-name {
    display: block;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.muu-player-empty {
    padding: 16px;
    background: #fff3cd;
    color: #664d03;
    border-radius: 12px;
    font-size: 14px;
}

@media (max-width: 480px) {
    .muu-player-top {
        align-items: flex-start;
    }

    .muu-player-cover {
        width: 72px;
        height: 72px;
    }

    .muu-disc {
        width: 44px;
        height: 44px;
    }
}