/* 
 * Accessibility Utilities
 * Focus states, screen reader support, and accessibility improvements
 */

/* Focus States */
.ppg-star:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
    border-radius: 2px;
}

.ppg-filter:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.ppg-lightbox:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.ppg-rating-select:focus {
    outline: 2px solid #0073aa !important;
    outline-offset: 1px;
}

.ppg-login-link:focus {
    outline: 2px solid #0073aa !important;
    outline-offset: 1px !important;
    border-radius: 2px !important;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .ppg-item {
        border: 2px solid;
    }
    
    .ppg-star {
        text-shadow: none !important;
    }
    
    .ppg-filter {
        border-width: 3px !important;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .ppg-item,
    .ppg-star,
    .ppg-filter,
    .ppg-heart,
    .ppg-lightbox {
        transition: none;
        animation: none;
    }
    
    .ppg-item:hover {
        transform: none;
    }
    
    .ppg-star:hover {
        transform: none;
        filter: none;
    }
    
    .ppg-filter:hover {
        transform: none;
    }
    
    .ppg-heart:hover {
        transform: none;
    }
    
    .ppg-heart.pulse {
        animation: none;
    }
}

/* Screen Reader Only Content */
.ppg-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Links */
.ppg-skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #0073aa;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 3px;
    z-index: 100000;
}

.ppg-skip-link:focus {
    top: 6px;
}

/* Ensure sufficient color contrast */
.ppg-item {
    color: #212529; /* Ensure good contrast */
}

.ppg-rating-info {
    color: #212529; /* Ensure good contrast */
}

/* Keyboard Navigation Support */
.ppg-star:focus-visible {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

.ppg-filter:focus-visible {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

/* Touch Target Size (minimum 44px) */
@media (hover: none) and (pointer: coarse) {
    .ppg-star {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .ppg-filter {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .ppg-heart {
        min-width: 44px;
        min-height: 44px;
    }
}