/**
 * @package     Joomla.Plugin
 * @subpackage  Content.ocbgallery
 *
 * @copyright   (C) 2026 Sistema OCB
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 *
 * Layout "slider": imagem grande em cima, carrossel de miniaturas embaixo.
 *
 * TODA regra esta escopada em .ocb-gallery--slider.
 */

.ocb-gallery--slider {
    /* Definidos inline pelo layout, a partir da configuracao do plugin. */
    --ocb-slider-max-height: 800px;
    --ocb-slider-fit: contain;
    --ocb-slider-thumbs-desktop: 6;
    --ocb-slider-thumbs-tablet: 4;
    --ocb-slider-thumbs-mobile: 3;
    --ocb-slider-thumb-gap: 8px;
    --ocb-slider-thumb-ratio: 1.5;
    --ocb-slider-thumb-fit: cover;
    --ocb-slider-control-bg: rgb(17 17 17 / 55%);
    --ocb-slider-control-bg-hover: rgb(17 17 17 / 82%);
    --ocb-slider-control-color: #fff;
    --ocb-slider-active: currentcolor;

    /* Mobile primeiro: <= 576px. */
    --ocb-slider-thumbs: var(--ocb-slider-thumbs-mobile);

    margin-block: 1rem;
}

/* Tablet: 577px ate 991px. */
@media (min-width: 577px) {
    .ocb-gallery--slider {
        --ocb-slider-thumbs: var(--ocb-slider-thumbs-tablet);
    }
}

/* Desktop: >= 992px. */
@media (min-width: 992px) {
    .ocb-gallery--slider {
        --ocb-slider-thumbs: var(--ocb-slider-thumbs-desktop);
    }
}

/* --- Imagem grande ----------------------------------------------------- */

.ocb-gallery--slider .ocb-slider__stage {
    position: relative;
    background-color: rgb(0 0 0 / 6%);
    border-radius: 4px;
    overflow: hidden;
}

.ocb-gallery--slider .ocb-slider__figure {
    margin: 0;
}

.ocb-gallery--slider .ocb-slider__link {
    display: block;
    line-height: 0;
    cursor: zoom-in;
}

.ocb-gallery--slider .ocb-slider__link:focus-visible {
    outline: 2px solid var(--ocb-slider-active);
    outline-offset: -4px;
}

.ocb-gallery--slider .ocb-slider__image {
    display: block;
    width: 100%;
    height: auto;
    max-height: var(--ocb-slider-max-height);
    object-fit: var(--ocb-slider-fit);
}

/* --- Tela cheia -------------------------------------------------------- */

.ocb-gallery--slider .ocb-slider__fullscreen.ocb-slider__fullscreen {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    min-width: 0;
    min-height: 0;
    margin: 0;
    border: 1px solid rgb(255 255 255 / 30%);
    border-radius: 4px;
    background: rgb(15 15 15 / 55%);
    backdrop-filter: blur(6px);
    box-shadow: 0 2px 8px rgb(0 0 0 / 30%);
    color: #fff;
    text-indent: 0;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
}

.ocb-gallery--slider .ocb-slider__fullscreen:hover,
.ocb-gallery--slider .ocb-slider__fullscreen:focus-visible {
    background: rgb(15 15 15 / 85%);
}

.ocb-gallery--slider .ocb-slider__fullscreen[hidden] {
    display: none;
}

.ocb-gallery--slider .ocb-slider__stage:fullscreen {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

.ocb-gallery--slider .ocb-slider__stage:fullscreen .ocb-slider__figure {
    width: 100%;
}

.ocb-gallery--slider .ocb-slider__stage:fullscreen .ocb-slider__image {
    max-height: 92vh;
}

/* --- Carrossel de miniaturas ------------------------------------------- */

.ocb-gallery--slider .ocb-slider__filmstrip {
    position: relative;
    margin-top: var(--ocb-slider-thumb-gap);
}

.ocb-gallery--slider .ocb-slider__thumbs {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--ocb-slider-thumb-gap);
    margin: 0;
    padding: 0;
    list-style: none;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
}

.ocb-gallery--slider .ocb-slider__thumbs::-webkit-scrollbar {
    display: none;
}

.ocb-gallery--slider .ocb-slider__thumb {
    /* O tamanho da miniatura sai de quantas devem aparecer, nunca de um valor
       fixo: e a largura disponivel dividida pela quantidade visivel. */
    flex: 0 0 calc(
        (100% - (var(--ocb-slider-thumbs) - 1) * var(--ocb-slider-thumb-gap))
        / var(--ocb-slider-thumbs)
    );
    margin: 0;
    padding: 0;
    list-style: none;
    scroll-snap-align: start;
}

.ocb-gallery--slider .ocb-slider__thumb-link {
    display: block;
    border-radius: 3px;
    background-color: rgb(0 0 0 / 6%);
    line-height: 0;
    overflow: hidden;
    opacity: 0.55;
    cursor: pointer;
    transition: opacity 150ms ease, box-shadow 150ms ease;
}

.ocb-gallery--slider .ocb-slider__thumb-link:hover,
.ocb-gallery--slider .ocb-slider__thumb-link:focus-visible {
    opacity: 1;
}

.ocb-gallery--slider .ocb-slider__thumb-link:focus-visible {
    outline: 2px solid var(--ocb-slider-active);
    outline-offset: -2px;
}

.ocb-gallery--slider .ocb-slider__thumb-link.is-active {
    opacity: 1;
    box-shadow: inset 0 0 0 3px var(--ocb-slider-active);
}

.ocb-gallery--slider .ocb-slider__thumb-image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: var(--ocb-slider-thumb-ratio);
    object-fit: var(--ocb-slider-thumb-fit);
}

/* Setas nas pontas da tira. A classe e repetida de proposito: eleva a
   especificidade para (0,3,0) e vence as regras de <button> dos templates,
   sem recorrer a regras marcadas como importantes. */
.ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    min-width: 0;
    min-height: 0;
    max-width: none;
    padding: 0;
    margin: 0;
    border: 0;
    border-radius: 3px;
    color: #fff;
    text-indent: 0;
    text-transform: none;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
    transition: opacity 150ms ease;
}

/* Degrade em vez de um bloco chapado: as miniaturas somem sob a seta, o que
   sinaliza que ha mais fotos naquela direcao. */
.ocb-gallery--slider .ocb-slider__nav--prev {
    left: 0;
    background: linear-gradient(to right, rgb(15 15 15 / 82%) 30%, rgb(15 15 15 / 0%));
    justify-content: flex-start;
    padding-left: 0.25rem;
}

.ocb-gallery--slider .ocb-slider__nav--next {
    right: 0;
    background: linear-gradient(to left, rgb(15 15 15 / 82%) 30%, rgb(15 15 15 / 0%));
    justify-content: flex-end;
    padding-right: 0.25rem;
}

.ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav:hover {
    opacity: 0.85;
}

.ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav:focus-visible {
    outline: 2px solid #fff;
    outline-offset: -3px;
}

.ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav[disabled] {
    opacity: 0.3;
    cursor: default;
}

.ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav[hidden] {
    display: none;
}

.ocb-gallery--slider .ocb-slider__nav svg {
    display: block;
    width: 20px;
    height: 20px;
    filter: drop-shadow(0 1px 2px rgb(0 0 0 / 60%));
}

@media (prefers-reduced-motion: reduce) {
    .ocb-gallery--slider .ocb-slider__thumbs {
        scroll-behavior: auto;
    }

    .ocb-gallery--slider .ocb-slider__thumb-link {
        transition: none;
    }
}

@media (max-width: 576px) {
    .ocb-gallery--slider .ocb-slider__nav.ocb-slider__nav {
        width: 2rem;
    }
}

@media print {
    .ocb-gallery--slider .ocb-slider__nav,
    .ocb-gallery--slider .ocb-slider__fullscreen {
        display: none;
    }

    .ocb-gallery--slider .ocb-slider__thumbs {
        flex-wrap: wrap;
        overflow: visible;
    }

    .ocb-gallery--slider .ocb-slider__thumb-link {
        opacity: 1;
        box-shadow: none;
    }
}