/**
 * YouTube Embed Widget Styles
 *
 * Optimized CSS for lazy-loaded YouTube embed widget.
 *
 * @package WP_Content_Optimizer
 * @since   1.3.0
 */

/* Wrapper */
.wpco-youtube-embed-wrapper {
    width: 100%;
    position: relative;
    z-index: 1;
    display: block;
}

/* Container - Using aspect-ratio for better flex compatibility */
.wpco-youtube-embed-container {
    position: relative;
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    background-color: #000;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.wpco-youtube-embed-container:hover {
    transform: scale(1.02);
}

/* Aspect Ratios - Using modern aspect-ratio with padding-bottom fallback */
.wpco-aspect-ratio-16-9 {
    aspect-ratio: 16 / 9;
}

.wpco-aspect-ratio-4-3 {
    aspect-ratio: 4 / 3;
}

.wpco-aspect-ratio-1-1 {
    aspect-ratio: 1 / 1;
}

.wpco-aspect-ratio-21-9 {
    aspect-ratio: 21 / 9;
}

/* Fix for Elementor flex containers */
.e-con .elementor-widget-wpco-youtube-embed,
.e-flex .elementor-widget-wpco-youtube-embed,
.elementor-widget-wpco-youtube-embed {
    width: 100%;
    flex-shrink: 0;
}

.e-con .elementor-widget-wpco-youtube-embed .elementor-widget-container,
.e-flex .elementor-widget-wpco-youtube-embed .elementor-widget-container {
    width: 100%;
}

.e-con .wpco-youtube-embed-wrapper,
.e-flex .wpco-youtube-embed-wrapper {
    width: 100%;
}

.e-con .wpco-youtube-embed-container,
.e-flex .wpco-youtube-embed-container {
    width: 100%;
    min-width: 100%;
}

/* Fallback for browsers without aspect-ratio support */
@supports not (aspect-ratio: 16 / 9) {
    .wpco-youtube-embed-container {
        height: 0;
    }

    .wpco-aspect-ratio-16-9 {
        padding-bottom: 56.25%; /* 16:9 */
    }

    .wpco-aspect-ratio-4-3 {
        padding-bottom: 75%; /* 4:3 */
    }

    .wpco-aspect-ratio-1-1 {
        padding-bottom: 100%; /* 1:1 */
    }

    .wpco-aspect-ratio-21-9 {
        padding-bottom: 42.857%; /* 21:9 */
    }
}

/* Thumbnail */
.wpco-youtube-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.wpco-youtube-embed-container.wpco-loading .wpco-youtube-thumbnail {
    opacity: 0.7;
}

/* Play Button */
.wpco-youtube-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1;
    transition: all 0.2s ease;
    padding: 0;
}

.wpco-youtube-play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.wpco-youtube-play-button:focus {
    outline: 2px solid #fff;
    outline-offset: 4px;
}

/* YouTube Style Button */
.wpco-play-button-youtube {
    background: none;
}

.wpco-play-button-youtube svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.wpco-youtube-play-button:hover.wpco-play-button-youtube svg path:first-child {
    fill: #cc0000;
}

/* Simple Circle Button */
.wpco-play-button-simple {
    border-radius: 50%;
    background-color: #ff0000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.wpco-play-button-simple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #ffffff;
}

.wpco-play-button-simple:hover {
    background-color: #cc0000;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
}

/* Iframe */
.wpco-youtube-embed-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Loading State */
.wpco-youtube-embed-container.wpco-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: wpco-spin 0.8s linear infinite;
    z-index: 2;
}

@keyframes wpco-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Empty State */
.wpco-youtube-empty-state,
.wpco-youtube-error {
    padding: 40px 20px;
    text-align: center;
    background-color: #f5f5f5;
    border-radius: 8px;
    color: #666;
}

.wpco-youtube-error {
    background-color: #fff3cd;
    color: #856404;
}

/* Preconnect Hint - Added dynamically via JS */
.wpco-preconnect-hint {
    display: none;
}

/* Responsive Adjustments */
@media (max-width: 767px) {
    /* Fix for Elementor flex container on mobile */
    /* Elementor sets --flex-wrap: var(--flex-wrap-mobile) which breaks aspect-ratio */
    /* We override --flex-wrap on parent when it has our widget */
    .e-con.e-flex:has(.elementor-widget-wpco-youtube-embed) {
        --flex-wrap: nowrap !important;
    }

    .e-con.e-flex .elementor-widget-wpco-youtube-embed {
        --width: 100% !important;
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    .wpco-youtube-embed-container {
        max-width: 100% !important;
    }

    .wpco-youtube-embed-container:hover {
        transform: none;
    }

    .wpco-youtube-play-button {
        width: 56px;
        height: 40px;
    }

    .wpco-play-button-simple::before {
        border-width: 8px 0 8px 14px;
    }
}

@media (max-width: 480px) {
    .wpco-youtube-play-button {
        width: 48px;
        height: 34px;
    }

    .wpco-play-button-simple::before {
        border-width: 7px 0 7px 12px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .wpco-youtube-embed-container,
    .wpco-youtube-play-button,
    .wpco-youtube-thumbnail {
        transition: none;
    }

    .wpco-youtube-embed-container:hover {
        transform: none;
    }

    .wpco-youtube-play-button:hover {
        transform: translate(-50%, -50%);
    }
}

/* Print Styles */
@media print {
    .wpco-youtube-play-button {
        display: none;
    }

    .wpco-youtube-embed-container::after {
        content: 'YouTube Video: Click to view online';
        position: absolute;
        bottom: 10px;
        left: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.7);
        color: #fff;
        padding: 10px;
        font-size: 14px;
        text-align: center;
    }
}