/**
 * KlingDigital Hover Video Widget
 * Frontend Styles with CSS Custom Properties
 * Version: 1.0.0
 */

:root {
    --kdhv-transition-duration: 0.3s;
    --kdhv-transition-timing: ease-in-out;
    --kdhv-skeleton-bg: rgba(255, 255, 255, 0.1);
    --kdhv-skeleton-shimmer: rgba(255, 255, 255, 0.2);
    --kdhv-error-color: #f44336;
    --kdhv-error-bg: rgba(244, 67, 54, 0.1);
    --kdhv-border-radius: 0px;
    --kdhv-hover-scale: 1;
}

.kdhv-hover-video-wrapper {
    display: inline-block;
    position: relative;
    max-width: 100%;
    transition: transform var(--kdhv-transition-duration) var(--kdhv-transition-timing);
}

.kdhv-hover-video-wrapper:hover {
    transform: scale(var(--kdhv-hover-scale));
}

.kdhv-hover-video-link {
    display: block;
    position: relative;
    text-decoration: none;
    color: inherit;
    outline: none;
}

.kdhv-hover-video-link:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.kdhv-hover-video-container {
    position: relative;
    display: block;
    overflow: hidden;
    width: 100%;
    border-radius: var(--kdhv-border-radius);
}

.kdhv-hover-video-container img,
.kdhv-hover-video-container video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.kdhv-image {
    position: relative;
    z-index: 1;
}

.kdhv-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--kdhv-transition-duration) var(--kdhv-transition-timing);
}

.kdhv-skeleton-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    background: var(--kdhv-skeleton-bg);
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}

.kdhv-skeleton-loader::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--kdhv-skeleton-shimmer) 50%,
        transparent 100%
    );
    animation: kdhv-shimmer 1.5s infinite;
}

@keyframes kdhv-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.kdhv-hover-video-wrapper.video-error {
    position: relative;
}

.kdhv-play-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.kdhv-play-icon svg {
    width: 20px;
    height: 20px;
    color: #000;
    margin-left: 2px;
}

.kdhv-hover-video-wrapper.is-playing .kdhv-play-icon {
    opacity: 0;
    transform: scale(0.8);
}

.kdhv-hover-video-container:hover .kdhv-play-icon {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    .kdhv-play-icon {
        background: rgba(255, 255, 255, 0.9);
    }
}

.kdhv-hover-video-wrapper.video-error .kdhv-video {
    display: none;
}

.kdhv-hover-video-wrapper.video-error .kdhv-hover-video-container::after {
    content: '⚠';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kdhv-error-bg);
    color: var(--kdhv-error-color);
    border-radius: 50%;
    font-size: 14px;
    z-index: 10;
    opacity: 0.8;
    pointer-events: none;
}

.kdhv-hover-video-wrapper a {
    outline: none;
}

@media (hover: hover) and (pointer: fine) {
    .kdhv-hover-video-container[role="button"] {
        cursor: pointer;
    }
}

@media (hover: none) {
    .kdhv-hover-video-container {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kdhv-hover-video-wrapper,
    .kdhv-video,
    .kdhv-skeleton-loader {
        transition: none;
        animation: none;
    }
    
    .kdhv-skeleton-loader::before {
        animation: none;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --kdhv-skeleton-bg: rgba(255, 255, 255, 0.05);
        --kdhv-skeleton-shimmer: rgba(255, 255, 255, 0.1);
    }
}

.elementor-widget-kdhv-hover-video {
    --e-image-border-radius: var(--kdhv-border-radius);
}

.kdhv-hover-video-container[tabindex]:focus {
    outline: 2px solid #2196F3;
    outline-offset: 2px;
}

.kdhv-hover-video-container[tabindex]:focus:not(:focus-visible) {
    outline: none;
}

.kdhv-hover-video-container[aria-label]::before {
    position: absolute;
    clip: rect(1px, 1px, 1px, 1px);
    padding: 0;
    border: 0;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.kdhv-debug-mode .kdhv-hover-video-wrapper {
    outline: 2px dashed #FF9800;
    outline-offset: 4px;
}

.kdhv-debug-mode .kdhv-hover-video-wrapper::after {
    content: 'DEBUG';
    position: absolute;
    top: 4px;
    left: 4px;
    background: #FF9800;
    color: #000;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: bold;
    z-index: 1000;
    pointer-events: none;
}