/* Audio-specific CSS - Performance optimized */

audio { 
    width: 100%; 
    height: 35px; 
    margin: 15px 0;
    border-radius: 4px;
    background-color: #f8f8f8;
    border: 1px solid #b1b4b6;
    transition: all 0.3s ease;
}

audio:focus {
    outline: 3px solid #fd0;
    outline-offset: 0;
}

audio:hover {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Loading states */
audio[data-loading="true"] {
    opacity: 0.6;
    pointer-events: none;
}

audio[data-error="true"] {
    border: 2px solid #d4351c;
    background-color: #fdebee;
}

/* Mobile-optimized audio controls */
@media (max-width: 768px) {
    audio {
        height: 45px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    audio::-webkit-media-controls-panel {
        background-color: #f8f8f8;
    }
    
    audio::-webkit-media-controls-play-button {
        width: 40px;
        height: 40px;
        background-size: 20px 20px;
    }
    
    audio::-webkit-media-controls-timeline {
        height: 8px;
    }
    
    audio::-webkit-media-controls-current-time-display,
    audio::-webkit-media-controls-time-remaining-display {
        font-size: 12px;
    }
}

/* Progressive enhancement for modern browsers */
@supports (display: grid) {
    .audio-container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        align-items: center;
    }
}

/* Preload indicators */
.audio-loading::before {
    content: "Loading...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 10;
}

.audio-error::after {
    content: "Failed to load - tap to retry";
    position: absolute;
    bottom: -20px;
    left: 0;
    color: #d4351c;
    font-size: 11px;
    font-style: italic;
}

/* Responsive audio layout */
@media (min-width: 1024px) {
    .audio-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .audio-grid audio {
        margin: 10px 0;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    audio {
        background-color: #2d3748;
        border-color: #4a5568;
        filter: invert(0.9);
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    audio,
    .quote-text.playing {
        transition: none;
    }
    
    .quote-text.playing {
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    audio {
        border: 2px solid #000;
        background-color: #fff;
    }
    
    audio[data-error="true"] {
        border: 3px solid #d4351c;
    }
}