/* ==== wwwroot\lightbox.css ==== */
/* Visor de imágenes de las galerías (ver js/lightbox.js) */
html.lightbox-open {
    overflow: hidden;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background-color: rgba(0, 0, 0, 0.92);
    color: #ffffff;
    animation: lightbox-in 0.2s ease-out;
}

@keyframes lightbox-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-stage {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4rem 5rem;
    touch-action: none;
}

.lightbox-img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    cursor: zoom-in;
    touch-action: none;
    transition: transform 0.15s ease-out, opacity 0.2s;
}

.lightbox.is-zoomed .lightbox-img {
    cursor: grab;
}

.lightbox.is-loading .lightbox-img {
    opacity: 0.25;
}

.lightbox.is-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2.5rem;
    height: 2.5rem;
    margin: -1.25rem 0 0 -1.25rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: lightbox-spin 0.8s linear infinite;
}

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

.lightbox-btn {
    position: absolute;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    cursor: pointer;
    transition: background-color 0.2s;
}

.lightbox-btn:hover,
.lightbox-btn:focus-visible {
    background-color: rgba(255, 255, 255, 0.3);
}

.lightbox-btn:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.lightbox-btn svg {
    width: 1.4rem;
    height: 1.4rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-zoom-in { top: 1rem; right: 8.5rem; }
.lightbox-zoom-out { top: 1rem; right: 5rem; }
.lightbox-prev { top: 50%; left: 1rem; transform: translateY(-50%); }
.lightbox-next { top: 50%; right: 1rem; transform: translateY(-50%); }

.lightbox-counter {
    position: absolute;
    top: 1.55rem;
    left: 1.25rem;
    z-index: 1;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
}

@media (max-width: 700px) {
    .lightbox-stage {
        padding: 4.5rem 0.5rem 1rem;
    }

    .lightbox-prev,
    .lightbox-next {
        top: auto;
        bottom: 1rem;
        transform: none;
    }

    .lightbox-prev { left: 1rem; }
    .lightbox-next { right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .lightbox,
    .lightbox-img {
        animation: none;
        transition: none;
    }
}