.wp-audio-player-container {
    max-width: 100%;
    margin: 20px auto;
}

.wp-audio-player {
    border-radius: 12px;
    padding: 20px;
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.current-track-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    flex: 1;
}

.current-track-time {
    font-size: 14px;
    color: #666;
    font-family: monospace;
}

.separator {
    margin: 0 5px;
}

#waveform {
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
}

.control-btn {
    background: #4a90e2;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
    padding: 0;
}

.control-btn:hover {
    background: #357abd;
    transform: scale(1.05);
}

.control-btn:active {
    transform: scale(0.95);
}

.play-pause-btn {
    width: 56px;
    height: 56px;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    padding: 0 10px;
}

.volume-icon {
    color: #666;
}

.volume-slider {
    width: 100px;
    height: 4px;
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    background: linear-gradient(to right, #4a90e2 0%, #4a90e2 70%, #ddd 70%, #ddd 100%);
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4a90e2;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4a90e2;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

.playlist-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.playlist-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.add-track-btn {
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.add-track-btn:hover {
    background: #357abd;
}

.add-track-form {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.add-track-form input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

.form-buttons {
    display: flex;
    gap: 10px;
}

.confirm-add-btn,
.cancel-add-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-add-btn {
    background: #4caf50;
    color: white;
}

.confirm-add-btn:hover {
    background: #45a049;
}

.cancel-add-btn {
    background: #f44336;
    color: white;
}

.cancel-add-btn:hover {
    background: #da190b;
}

.playlist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.empty-playlist-message {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.empty-playlist-message p {
    margin: 8px 0;
}

.empty-playlist-message p:first-child {
    font-size: 24px;
    font-weight: 500;
}

.playlist-item {
    display: flex;
    align-items: center;
    padding: 12px;
    margin-bottom: 8px;
    background: #f9f9f9;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.playlist-item:hover {
    background: #f0f0f0;
}

.playlist-item.active {
    background: #e3f2fd;
    border-left: 4px solid #4a90e2;
}

.track-number {
    width: 30px;
    font-size: 14px;
    color: #999;
    font-weight: 600;
}

.track-info {
    flex: 1;
}

.track-title {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 2px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px;
}

.playlist-track-metadata {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    font-size: 13px;
}

.playlist-track-artist {
    color: #4a90e2;
    font-weight: 400;
}

.playlist-track-genre {
    color: #9c27b0;
    font-weight: 400;
}

.playlist-metadata-separator {
    opacity: 0.6;
    color: #666;
}

.track-duration {
    font-size: 12px;
    color: #999;
}

.remove-track-btn {
    background: none;
    border: none;
    color: #f44336;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.remove-track-btn:hover {
    opacity: 1;
}

/* Mobile Responsive Design */
@media (max-width: 1024px) {
    .wp-audio-player-container {
        margin: 15px auto;
    }
    
    .wp-audio-player {
        padding: 18px;
    }
    
    .control-btn {
        width: 44px;
        height: 44px;
    }
    
    .play-pause-btn {
        width: 52px;
        height: 52px;
    }
    
    .volume-slider {
        width: 80px;
    }
}

@media (max-width: 768px) {
    .wp-audio-player-container {
        margin: 12px auto;
    }
    
    .wp-audio-player {
        padding: 15px;
        border-radius: 10px;
    }
    
    .player-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 12px;
    }
    
    .current-track-title {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .current-track-time {
        font-size: 13px;
        align-self: flex-start;
    }
    
    #waveform {
        margin: 15px 0;
        height: 80px;
    }
    
    .standard-progress {
        margin: 15px 0;
        height: 6px;
    }
    
    .player-controls {
        gap: 12px;
        margin: 15px 0;
        justify-content: space-between;
        flex-wrap: nowrap;
    }
    
    .control-btn {
        width: 42px;
        height: 42px;
        flex-shrink: 0;
    }
    
    .play-pause-btn {
        width: 50px;
        height: 50px;
    }
    
    .volume-control {
        width: auto;
        margin-left: auto;
        margin-top: 0;
        gap: 8px;
        padding: 0;
    }
    
    .volume-slider {
        width: 70px;
        height: 3px;
    }
    
    .volume-slider::-webkit-slider-thumb {
        width: 14px;
        height: 14px;
    }
    
    .volume-slider::-moz-range-thumb {
        width: 14px;
        height: 14px;
    }
    
    .playlist-section {
        margin-top: 15px;
        padding-top: 12px;
    }
    
    .playlist-header h4 {
        font-size: 15px;
    }
    
    .add-track-btn {
        padding: 7px 14px;
        font-size: 13px;
    }
    
    .add-track-form {
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .add-track-form input {
        padding: 8px;
        margin-bottom: 8px;
        font-size: 13px;
    }
    
    .form-buttons {
        gap: 8px;
    }
    
    .confirm-add-btn,
    .cancel-add-btn {
        padding: 7px 14px;
        font-size: 13px;
        flex: 1;
    }
    
    .playlist-item {
        padding: 10px;
        margin-bottom: 6px;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .track-number {
        width: 28px;
        font-size: 13px;
        flex-shrink: 0;
    }
    
    .track-title {
        font-size: 13px;
        gap: 4px;
    }
    
    .playlist-track-metadata {
        font-size: 12px;
    }
    
    .track-duration {
        font-size: 11px;
    }
    
    .remove-track-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 8px;
    }
    
    .empty-playlist-message {
        padding: 30px 15px;
    }
    
    .empty-playlist-message p:first-child {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .wp-audio-player-container {
        margin: 10px auto;
    }
    
    .wp-audio-player {
        padding: 12px;
        border-radius: 8px;
    }
    
    .player-header {
        gap: 6px;
        margin-bottom: 10px;
    }
    
    .current-track-title {
        font-size: 14px;
        line-height: 1.3;
    }
    
    .current-track-time {
        font-size: 12px;
    }
    
    #waveform {
        margin: 12px 0;
        height: 60px;
    }
    
    .standard-progress {
        margin: 12px 0;
        height: 5px;
    }
    
    .player-controls {
        gap: 8px;
        margin: 12px 0;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
    }
    
    .play-pause-btn {
        width: 48px;
        height: 48px;
    }
    
    .volume-control {
        display: none;
    }
    
    .playlist-section {
        margin-top: 12px;
        padding-top: 10px;
    }
    
    .playlist-header {
        flex-direction: column;
        gap: 8px;
    }
    
    .playlist-header h4 {
        font-size: 14px;
        margin-bottom: 0;
    }
    
    .add-track-btn {
        width: 100%;
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .add-track-form {
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .add-track-form input {
        padding: 6px;
        margin-bottom: 6px;
        font-size: 12px;
    }
    
    .form-buttons {
        gap: 6px;
    }
    
    .confirm-add-btn,
    .cancel-add-btn {
        padding: 6px 12px;
        font-size: 12px;
        flex: 1;
    }
    
    .playlist-item {
        padding: 8px;
        margin-bottom: 4px;
        min-height: 44px;
    }
    
    .track-number {
        width: 24px;
        font-size: 12px;
    }
    
    .track-title {
        font-size: 12px;
        gap: 3px;
    }
    
    .playlist-track-metadata {
        font-size: 11px;
    }
    
    .track-duration {
        font-size: 10px;
    }
    
    .remove-track-btn {
        min-width: 40px;
        min-height: 40px;
        padding: 6px;
    }
    
    .empty-playlist-message {
        padding: 20px 12px;
    }
    
    .empty-playlist-message p:first-child {
        font-size: 18px;
    }
    
    .empty-playlist-message p {
        margin: 6px 0;
    }
}

/* Touch-friendly enhancements */
@media (hover: none) and (pointer: coarse) {
    .control-btn:active {
        background: #357abd;
    }
    
    .playlist-item:active {
        opacity: 0.8;
    }
    
    .add-track-btn:active,
    .confirm-add-btn:active,
    .cancel-add-btn:active {
        opacity: 0.8;
    }
}