/* Video Player Overlay */
.video-player-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 600;
    display: none;
    align-items: center;
    justify-content: center;
}

.video-player-container {
    width: 90%;
    max-width: 1000px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.video-toolbar #video-title {
    font-weight: 500;
    font-size: 16px;
    flex: 1;
    margin: 0 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-toolbar button {
    color: var(--text-secondary);
    font-size: 20px;
    padding: 4px;
    transition: var(--transition);
}

.video-toolbar button:hover {
    color: var(--text-primary);
}

#video-element {
    width: 100%;
    max-height: 60vh;
    background: #000;
}

.video-controls-custom {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.video-controls-custom button {
    color: var(--text-secondary);
    font-size: 16px;
    padding: 4px 6px;
    transition: var(--transition);
}

.video-controls-custom button:hover {
    color: var(--text-primary);
}

.video-controls-custom #video-time {
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    min-width: 90px;
}

.video-controls-custom #video-progress {
    flex: 1;
    min-width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.video-controls-custom #video-progress::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.video-controls-custom #video-volume-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.video-controls-custom #video-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.video-controls-custom #video-speed {
    font-size: 13px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
}

/* Music Player Bar */
.music-player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 8px 16px;
    z-index: 300;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
    display: none;
}

.music-player-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.music-info {
    display: flex;
    flex-direction: column;
    min-width: 120px;
}

.music-info #music-title {
    font-weight: 500;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

.music-info #music-artist {
    font-size: 12px;
    color: var(--text-muted);
}

.music-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.music-controls button {
    padding: 6px 8px;
    font-size: 16px;
    color: var(--text-secondary);
    transition: var(--transition);
    border-radius: var(--radius);
}

.music-controls button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.music-controls button.active {
    color: var(--primary-color);
}

.music-controls #music-play-btn {
    font-size: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
}

.music-controls #music-play-btn:hover {
    background: var(--primary-dark);
}

.music-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 150px;
}

.music-progress span {
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
}

.music-progress #music-progress-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.music-progress #music-progress-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.music-volume {
    display: flex;
    align-items: center;
    gap: 6px;
}

.music-volume i {
    color: var(--text-secondary);
    font-size: 14px;
}

.music-volume #music-volume-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.music-volume #music-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

#music-playlist-toggle {
    color: var(--text-secondary);
    font-size: 18px;
    padding: 4px 8px;
}

#music-playlist-toggle:hover {
    color: var(--text-primary);
}

/* Music Playlist */
.music-playlist {
    max-height: 200px;
    overflow-y: auto;
    margin-top: 8px;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 8px;
    font-weight: 500;
    font-size: 14px;
}

.playlist-header button {
    color: var(--text-muted);
    font-size: 14px;
}

.playlist-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.playlist-item:hover {
    background: var(--bg-tertiary);
}

.playlist-item.active {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.playlist-item .pl-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.playlist-item .pl-remove {
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 6px;
}

.playlist-item .pl-remove:hover {
    color: #ef4444;
}

/* PDF Viewer */
.pdf-viewer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 700;
    display: none;
    align-items: center;
    justify-content: center;
}

.pdf-viewer-container {
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pdf-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.pdf-toolbar #pdf-title {
    flex: 1;
    font-weight: 500;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-toolbar button {
    color: var(--text-secondary);
    font-size: 16px;
    padding: 4px 8px;
    transition: var(--transition);
    border-radius: var(--radius);
}

.pdf-toolbar button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pdf-controls #pdf-page-info {
    font-size: 13px;
    min-width: 50px;
    text-align: center;
}

.pdf-controls #pdf-zoom {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.pdf-controls #pdf-zoom::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.pdf-controls #pdf-zoom-label {
    font-size: 13px;
    min-width: 45px;
}

#pdf-canvas-container {
    flex: 1;
    overflow: auto;
    padding: 16px;
    display: flex;
    justify-content: center;
    background: var(--bg-secondary);
    min-height: 300px;
    max-height: 60vh;
}

#pdf-canvas {
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow-lg);
    background: white;
}

#pdf-search-container {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

#pdf-search-container input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-width: 100px;
}

#pdf-search-container input:focus {
    outline: none;
    border-color: var(--primary-color);
}

#pdf-search-container button {
    padding: 4px 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

#pdf-search-container button:hover {
    color: var(--text-primary);
}

#pdf-search-count {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 30px;
    text-align: center;
}

/* Responsive players */
@media (max-width: 768px) {
    .video-player-container {
        width: 98%;
    }
    
    .video-controls-custom {
        gap: 6px;
        padding: 8px 12px;
    }
    
    .video-controls-custom #video-volume-slider {
        width: 40px;
    }
    
    .video-toolbar #video-title {
        font-size: 14px;
    }
    
    .music-player-content {
        gap: 10px;
    }
    
    .music-info #music-title {
        max-width: 80px;
        font-size: 13px;
    }
    
    .music-volume #music-volume-slider {
        width: 40px;
    }
    
    .music-progress {
        min-width: 100px;
    }
    
    .pdf-toolbar {
        padding: 8px 12px;
    }
    
    .pdf-controls #pdf-zoom {
        width: 50px;
    }
    
    #pdf-search-container {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .music-progress span {
        font-size: 11px;
    }
    
    .music-progress {
        min-width: 80px;
    }
    
    .music-info #music-title {
        max-width: 60px;
    }
    
    .video-controls-custom #video-time {
        font-size: 11px;
        min-width: 70px;
    }
    
    .pdf-viewer-container {
        width: 98%;
        max-height: 95vh;
    }
    
    #pdf-canvas-container {
        max-height: 50vh;
        min-height: 200px;
        padding: 8px;
    }
}