/**
 * WowPlatter Media Shortcode Styles
 *
 * Comprehensive styling for the media shortcode component
 * Supports images, videos, audio, and various gallery layouts
 *
 * @package WowPlatter
 * @subpackage Assets/CSS
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    /* Colors */
    --wowplatter-media-primary: #2271b1;
    --wowplatter-media-secondary: #72aee6;
    --wowplatter-media-accent: #00a32a;
    --wowplatter-media-text: #1d2327;
    --wowplatter-media-text-light: #646970;
    --wowplatter-media-border: #c3c4c7;
    --wowplatter-media-background: #ffffff;
    --wowplatter-media-surface: #f6f7f7;
    --wowplatter-media-overlay: rgba(0, 0, 0, 0.7);
    --wowplatter-media-success: #00a32a;
    --wowplatter-media-warning: #dba617;
    --wowplatter-media-error: #d63638;
    
    /* Spacing */
    --wowplatter-media-spacing-xs: 4px;
    --wowplatter-media-spacing-sm: 8px;
    --wowplatter-media-spacing-md: 16px;
    --wowplatter-media-spacing-lg: 24px;
    --wowplatter-media-spacing-xl: 32px;
    
    /* Typography */
    --wowplatter-media-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --wowplatter-media-font-size-xs: 12px;
    --wowplatter-media-font-size-sm: 13px;
    --wowplatter-media-font-size-md: 14px;
    --wowplatter-media-font-size-lg: 16px;
    --wowplatter-media-font-size-xl: 18px;
    --wowplatter-media-font-weight-normal: 400;
    --wowplatter-media-font-weight-medium: 500;
    --wowplatter-media-font-weight-semibold: 600;
    --wowplatter-media-font-weight-bold: 700;
    --wowplatter-media-line-height: 1.4;
    
    /* Shadows */
    --wowplatter-media-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --wowplatter-media-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --wowplatter-media-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --wowplatter-media-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --wowplatter-media-radius-sm: 4px;
    --wowplatter-media-radius-md: 6px;
    --wowplatter-media-radius-lg: 8px;
    --wowplatter-media-radius-xl: 12px;
    
    /* Transitions */
    --wowplatter-media-transition-fast: 0.15s ease-in-out;
    --wowplatter-media-transition-normal: 0.3s ease-in-out;
    --wowplatter-media-transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --wowplatter-media-z-dropdown: 1000;
    --wowplatter-media-z-sticky: 1020;
    --wowplatter-media-z-fixed: 1030;
    --wowplatter-media-z-modal: 1050;
    --wowplatter-media-z-popover: 1060;
    --wowplatter-media-z-tooltip: 1070;
}

/* ==========================================================================
   Base Media Gallery Container
   ========================================================================== */

.wowplatter-media-gallery {
    font-family: var(--wowplatter-media-font-family);
    font-size: var(--wowplatter-media-font-size-md);
    line-height: var(--wowplatter-media-line-height);
    color: var(--wowplatter-media-text);
    background: var(--wowplatter-media-background);
    border: 1px solid var(--wowplatter-media-border);
    border-radius: var(--wowplatter-media-radius-lg);
    padding: var(--wowplatter-media-spacing-lg);
    margin: var(--wowplatter-media-spacing-md) 0;
    position: relative;
    overflow: hidden;
}

/* ==========================================================================
   Gallery Header
   ========================================================================== */

.media-gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--wowplatter-media-spacing-lg);
    padding-bottom: var(--wowplatter-media-spacing-md);
    border-bottom: 1px solid var(--wowplatter-media-border);
}

.media-gallery-title {
    margin: 0;
    font-size: var(--wowplatter-media-font-size-xl);
    font-weight: var(--wowplatter-media-font-weight-semibold);
    color: var(--wowplatter-media-text);
}

.media-gallery-meta {
    display: flex;
    align-items: center;
    gap: var(--wowplatter-media-spacing-md);
    font-size: var(--wowplatter-media-font-size-sm);
    color: var(--wowplatter-media-text-light);
}

.media-count {
    background: var(--wowplatter-media-surface);
    padding: var(--wowplatter-media-spacing-xs) var(--wowplatter-media-spacing-sm);
    border-radius: var(--wowplatter-media-radius-sm);
    font-weight: var(--wowplatter-media-font-weight-medium);
}

/* ==========================================================================
   Gallery Controls
   ========================================================================== */

.media-gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--wowplatter-media-spacing-md);
    margin-bottom: var(--wowplatter-media-spacing-lg);
    flex-wrap: wrap;
}

.media-search {
    display: flex;
    align-items: center;
    position: relative;
    flex: 1;
    min-width: 200px;
}

.media-search-input {
    width: 100%;
    padding: var(--wowplatter-media-spacing-sm) var(--wowplatter-media-spacing-md);
    padding-right: 40px;
    border: 1px solid var(--wowplatter-media-border);
    border-radius: var(--wowplatter-media-radius-md);
    font-size: var(--wowplatter-media-font-size-md);
    transition: border-color var(--wowplatter-media-transition-fast);
}

.media-search-input:focus {
    outline: none;
    border-color: var(--wowplatter-media-primary);
    box-shadow: 0 0 0 1px var(--wowplatter-media-primary);
}

.media-search-button {
    position: absolute;
    right: var(--wowplatter-media-spacing-xs);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: var(--wowplatter-media-spacing-xs);
    cursor: pointer;
    color: var(--wowplatter-media-text-light);
    transition: color var(--wowplatter-media-transition-fast);
}

.media-search-button:hover {
    color: var(--wowplatter-media-primary);
}

.media-filters {
    display: flex;
    gap: var(--wowplatter-media-spacing-xs);
    flex-wrap: wrap;
}

.media-filter-btn {
    padding: var(--wowplatter-media-spacing-sm) var(--wowplatter-media-spacing-md);
    background: var(--wowplatter-media-surface);
    border: 1px solid var(--wowplatter-media-border);
    border-radius: var(--wowplatter-media-radius-md);
    font-size: var(--wowplatter-media-font-size-sm);
    font-weight: var(--wowplatter-media-font-weight-medium);
    color: var(--wowplatter-media-text);
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-fast);
}

.media-filter-btn:hover {
    background: var(--wowplatter-media-secondary);
    border-color: var(--wowplatter-media-primary);
    color: var(--wowplatter-media-background);
}

.media-filter-btn.active {
    background: var(--wowplatter-media-primary);
    border-color: var(--wowplatter-media-primary);
    color: var(--wowplatter-media-background);
}

/* ==========================================================================
   Gallery Grid
   ========================================================================== */

.media-gallery-grid {
    display: grid;
    gap: var(--wowplatter-media-spacing-md);
    margin-bottom: var(--wowplatter-media-spacing-lg);
}

.media-gallery-item {
    background: var(--wowplatter-media-background);
    border: 1px solid var(--wowplatter-media-border);
    border-radius: var(--wowplatter-media-radius-md);
    overflow: hidden;
    transition: all var(--wowplatter-media-transition-normal);
    position: relative;
}

.media-gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--wowplatter-media-shadow-lg);
    border-color: var(--wowplatter-media-primary);
}

/* ==========================================================================
   Image Items
   ========================================================================== */

.media-image-container {
    position: relative;
    overflow: hidden;
    background: var(--wowplatter-media-surface);
}

.media-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--wowplatter-media-transition-normal);
}

.media-image.lazy-load {
    opacity: 0;
    transition: opacity var(--wowplatter-media-transition-normal);
}

.media-image.lazy-load.loaded {
    opacity: 1;
}

.media-gallery-item:hover .media-image {
    transform: scale(1.05);
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--wowplatter-media-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--wowplatter-media-transition-normal);
}

.media-gallery-item:hover .media-overlay {
    opacity: 1;
}

.media-zoom-icon {
    color: var(--wowplatter-media-background);
    font-size: var(--wowplatter-media-font-size-xl);
}

.media-lightbox-trigger {
    display: block;
    text-decoration: none;
}

/* ==========================================================================
   Video Items
   ========================================================================== */

.media-video-container {
    position: relative;
    background: var(--wowplatter-media-surface);
}

.media-video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.media-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-video-placeholder {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--wowplatter-media-overlay);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-normal);
}

.video-play-overlay:hover {
    background: var(--wowplatter-media-primary);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-overlay .dashicons {
    color: var(--wowplatter-media-background);
    font-size: 24px;
}

/* ==========================================================================
   Audio Items
   ========================================================================== */

.media-audio-container {
    position: relative;
    background: var(--wowplatter-media-surface);
}

.audio-artwork {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.audio-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--wowplatter-media-overlay);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-normal);
}

.audio-play-overlay:hover {
    background: var(--wowplatter-media-accent);
    transform: translate(-50%, -50%) scale(1.1);
}

.audio-play-overlay .dashicons {
    color: var(--wowplatter-media-background);
    font-size: 20px;
}

.audio-controls {
    padding: var(--wowplatter-media-spacing-md);
}

.audio-controls audio {
    width: 100%;
    height: 32px;
}

.streaming-links {
    display: flex;
    gap: var(--wowplatter-media-spacing-sm);
    padding: var(--wowplatter-media-spacing-sm) var(--wowplatter-media-spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.streaming-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--wowplatter-media-radius-sm);
    text-decoration: none;
    transition: all var(--wowplatter-media-transition-fast);
}

.streaming-link.streaming-spotify {
    background: #1db954;
    color: var(--wowplatter-media-background);
}

.streaming-link.streaming-apple {
    background: #fa243c;
    color: var(--wowplatter-media-background);
}

.streaming-link.streaming-bandcamp {
    background: #629aa0;
    color: var(--wowplatter-media-background);
}

.streaming-link.streaming-soundcloud {
    background: #ff5500;
    color: var(--wowplatter-media-background);
}

.streaming-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--wowplatter-media-shadow-md);
}

/* ==========================================================================
   Media Info and Actions
   ========================================================================== */

.media-info {
    position: absolute;
    top: var(--wowplatter-media-spacing-sm);
    right: var(--wowplatter-media-spacing-sm);
    display: flex;
    gap: var(--wowplatter-media-spacing-xs);
    flex-direction: column;
    align-items: flex-end;
}

.media-dimensions,
.media-type-badge,
.video-duration {
    background: var(--wowplatter-media-overlay);
    color: var(--wowplatter-media-background);
    padding: var(--wowplatter-media-spacing-xs) var(--wowplatter-media-spacing-sm);
    border-radius: var(--wowplatter-media-radius-sm);
    font-size: var(--wowplatter-media-font-size-xs);
    font-weight: var(--wowplatter-media-font-weight-medium);
    line-height: 1;
}

.media-caption {
    padding: var(--wowplatter-media-spacing-md);
    background: var(--wowplatter-media-surface);
    border-top: 1px solid var(--wowplatter-media-border);
    font-size: var(--wowplatter-media-font-size-sm);
    color: var(--wowplatter-media-text-light);
    text-align: center;
}

.media-actions {
    position: absolute;
    bottom: var(--wowplatter-media-spacing-sm);
    left: var(--wowplatter-media-spacing-sm);
    right: var(--wowplatter-media-spacing-sm);
    display: flex;
    gap: var(--wowplatter-media-spacing-xs);
    justify-content: center;
    opacity: 0;
    transition: opacity var(--wowplatter-media-transition-normal);
}

.media-gallery-item:hover .media-actions {
    opacity: 1;
}

.media-action-btn {
    background: var(--wowplatter-media-overlay);
    color: var(--wowplatter-media-background);
    border: none;
    border-radius: var(--wowplatter-media-radius-sm);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-fast);
    text-decoration: none;
}

.media-action-btn:hover {
    background: var(--wowplatter-media-primary);
    transform: translateY(-1px);
}

.media-action-btn .dashicons {
    font-size: 16px;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.media-gallery-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--wowplatter-media-spacing-lg);
    border-top: 1px solid var(--wowplatter-media-border);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: var(--wowplatter-media-spacing-sm);
    padding: var(--wowplatter-media-spacing-sm) var(--wowplatter-media-spacing-md);
    background: var(--wowplatter-media-primary);
    color: var(--wowplatter-media-background);
    border: none;
    border-radius: var(--wowplatter-media-radius-md);
    font-size: var(--wowplatter-media-font-size-sm);
    font-weight: var(--wowplatter-media-font-weight-medium);
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--wowplatter-media-secondary);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    background: var(--wowplatter-media-border);
    color: var(--wowplatter-media-text-light);
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--wowplatter-media-font-size-sm);
    color: var(--wowplatter-media-text-light);
    font-weight: var(--wowplatter-media-font-weight-medium);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.media-gallery-empty {
    text-align: center;
    padding: var(--wowplatter-media-spacing-xl);
    color: var(--wowplatter-media-text-light);
}

.empty-state-icon {
    font-size: 48px;
    color: var(--wowplatter-media-border);
    margin-bottom: var(--wowplatter-media-spacing-md);
}

.media-gallery-empty h4 {
    margin: 0 0 var(--wowplatter-media-spacing-sm);
    font-size: var(--wowplatter-media-font-size-lg);
    font-weight: var(--wowplatter-media-font-weight-semibold);
    color: var(--wowplatter-media-text);
}

.media-gallery-empty p {
    margin: 0;
    font-size: var(--wowplatter-media-font-size-md);
}

/* ==========================================================================
   Fullscreen Button
   ========================================================================== */

.media-fullscreen-btn {
    position: absolute;
    top: var(--wowplatter-media-spacing-md);
    right: var(--wowplatter-media-spacing-md);
    background: var(--wowplatter-media-overlay);
    color: var(--wowplatter-media-background);
    border: none;
    border-radius: var(--wowplatter-media-radius-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--wowplatter-media-transition-fast);
    z-index: var(--wowplatter-media-z-sticky);
}

.media-fullscreen-btn:hover {
    background: var(--wowplatter-media-primary);
    transform: scale(1.05);
}

/* ==========================================================================
   Debug Information
   ========================================================================== */

.media-debug-info {
    margin-top: var(--wowplatter-media-spacing-lg);
    padding: var(--wowplatter-media-spacing-md);
    background: var(--wowplatter-media-surface);
    border: 1px solid var(--wowplatter-media-border);
    border-radius: var(--wowplatter-media-radius-md);
}

.media-debug-info h4 {
    margin: 0 0 var(--wowplatter-media-spacing-md);
    font-size: var(--wowplatter-media-font-size-md);
    font-weight: var(--wowplatter-media-font-weight-semibold);
}

.media-debug-info pre {
    background: var(--wowplatter-media-background);
    padding: var(--wowplatter-media-spacing-sm);
    border-radius: var(--wowplatter-media-radius-sm);
    font-size: var(--wowplatter-media-font-size-xs);
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

.wowplatter-media-gallery.color-scheme-dark {
    --wowplatter-media-text: #f0f0f1;
    --wowplatter-media-text-light: #c3c4c7;
    --wowplatter-media-border: #3c434a;
    --wowplatter-media-background: #1d2327;
    --wowplatter-media-surface: #2c3338;
    --wowplatter-media-overlay: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet Styles */
@media (max-width: 1024px) {
    .media-gallery-grid {
        grid-template-columns: repeat(var(--tablet-columns, 3), 1fr) !important;
    }
    
    .media-gallery-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .media-search {
        min-width: auto;
    }
    
    .media-filters {
        justify-content: center;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    .wowplatter-media-gallery {
        padding: var(--wowplatter-media-spacing-md);
        margin: var(--wowplatter-media-spacing-sm) 0;
    }
    
    .media-gallery-grid {
        grid-template-columns: repeat(var(--mobile-columns, 2), 1fr) !important;
        gap: var(--wowplatter-media-spacing-sm);
    }
    
    .media-gallery-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--wowplatter-media-spacing-sm);
    }
    
    .media-gallery-title {
        font-size: var(--wowplatter-media-font-size-lg);
    }
    
    .media-gallery-controls {
        gap: var(--wowplatter-media-spacing-sm);
    }
    
    .media-filters {
        gap: var(--wowplatter-media-spacing-xs);
    }
    
    .media-filter-btn {
        padding: var(--wowplatter-media-spacing-xs) var(--wowplatter-media-spacing-sm);
        font-size: var(--wowplatter-media-font-size-xs);
    }
    
    .media-gallery-pagination {
        flex-direction: column;
        gap: var(--wowplatter-media-spacing-md);
    }
    
    .pagination-info {
        order: -1;
    }
    
    .audio-artwork,
    .media-video-placeholder {
        height: 150px;
    }
    
    .streaming-links {
        padding: var(--wowplatter-media-spacing-xs) var(--wowplatter-media-spacing-sm);
    }
    
    .streaming-link {
        width: 28px;
        height: 28px;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .media-gallery-grid {
        grid-template-columns: 1fr !important;
    }
    
    .media-gallery-controls {
        gap: var(--wowplatter-media-spacing-xs);
    }
    
    .media-search-input {
        font-size: var(--wowplatter-media-font-size-sm);
    }
    
    .media-filters {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    
    .audio-artwork,
    .media-video-placeholder {
        height: 120px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .wowplatter-media-gallery {
        border: 1px solid #000;
        box-shadow: none;
        page-break-inside: avoid;
    }
    
    .media-gallery-controls,
    .media-actions,
    .media-fullscreen-btn,
    .media-gallery-pagination {
        display: none !important;
    }
    
    .media-gallery-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }
    
    .media-gallery-item {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .media-overlay {
        display: none !important;
    }
    
    .streaming-links {
        display: none !important;
    }
    
    .audio-controls {
        display: none !important;
    }
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

/* Focus Indicators */
.media-search-input:focus,
.media-filter-btn:focus,
.pagination-btn:focus,
.media-action-btn:focus,
.media-fullscreen-btn:focus,
.streaming-link:focus {
    outline: 2px solid var(--wowplatter-media-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .wowplatter-media-gallery {
        border-width: 2px;
    }
    
    .media-gallery-item {
        border-width: 2px;
    }
    
    .media-filter-btn,
    .pagination-btn,
    .media-action-btn {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .wowplatter-media-gallery *,
    .wowplatter-media-gallery *::before,
    .wowplatter-media-gallery *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Screen Reader Only Text */
.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;
}