/**
 * Lightbox & Lazy Loading Styles
 *
 * @package LDStarter
 * @subpackage Galleries
 */

/* ============================================
   LIGHTBOX
   ============================================ */

.lds-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lds-lightbox.is-open {
    opacity: 1;
}

/* Overlay */
.lds-lightbox__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
}

/* Container */
.lds-lightbox__container {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Figure */
.lds-lightbox__figure {
    position: relative;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

/* Image */
.lds-lightbox__image {
    max-width: 90vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: scale(0.95);
    border-radius: 4px;
}

.lds-lightbox__image.is-loaded {
    opacity: 1;
    transform: scale(1);
}

/* Loader */
.lds-lightbox__loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.lds-lightbox__loader.is-loading {
    display: block;
}

.lds-lightbox__spinner {
    display: block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: lds-spin 0.8s linear infinite;
}

@keyframes lds-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Caption */
.lds-lightbox__caption {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 90vw;
    padding: 16px 0;
    color: #fff;
    font-size: 14px;
    text-align: center;
}

.lds-lightbox__title {
    flex: 1;
    text-align: center;
    padding: 0 60px;
}

.lds-lightbox__counter {
    position: absolute;
    right: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

/* Navigation */
.lds-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.lds-lightbox__nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lds-lightbox__nav:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.lds-lightbox__nav:active {
    transform: translateY(-50%) scale(0.95);
}

.lds-lightbox__nav--prev {
    left: 20px;
}

.lds-lightbox__nav--next {
    right: 20px;
}

.lds-lightbox__nav svg {
    width: 32px;
    height: 32px;
}

/* Close button */
.lds-lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.lds-lightbox__close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.lds-lightbox__close:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.lds-lightbox__close svg {
    width: 28px;
    height: 28px;
}

/* Screen reader text */
.lds-lightbox__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;
}

/* ============================================
   LIGHTBOX RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .lds-lightbox__nav {
        width: 44px;
        height: 44px;
    }

    .lds-lightbox__nav svg {
        width: 24px;
        height: 24px;
    }

    .lds-lightbox__nav--prev {
        left: 10px;
    }

    .lds-lightbox__nav--next {
        right: 10px;
    }

    .lds-lightbox__close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }

    .lds-lightbox__close svg {
        width: 24px;
        height: 24px;
    }

    .lds-lightbox__caption {
        padding: 12px 0;
        font-size: 13px;
    }

    .lds-lightbox__title {
        padding: 0 40px;
    }
}

/* ============================================
   LAZY LOADING
   ============================================ */

/* Masquage réservé au cas où le script tourne (classe lds-js posée dans
   <head>) : sans JavaScript, les vignettes restent visibles */
.lds-js [data-lds-lazy] {
    opacity: 0;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.lds-js [data-lds-lazy].is-loaded {
    opacity: 1;
}

.lds-js [data-lds-lazy].is-error {
    opacity: 0.5;
    background: #f0f0f0;
}

/* Placeholder blur effect for gallery images */
.lds-js .lds-gallery__image[data-lds-lazy] {
    filter: blur(10px);
    transform: scale(1.05);
}

.lds-js .lds-gallery__image[data-lds-lazy].is-loaded {
    filter: blur(0);
    transform: scale(1);
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .lds-lightbox,
    .lds-lightbox__image,
    .lds-lightbox__nav,
    .lds-lightbox__close,
    [data-lds-lazy],
    .lds-gallery__image[data-lds-lazy] {
        transition: none;
    }

    .lds-lightbox__spinner {
        animation: none;
    }

    .lds-lightbox__image {
        transform: none;
    }

    .lds-lightbox__image.is-loaded {
        transform: none;
    }
}