/*
 * Miarto Studio – Portfolio-Slider + Mini-Lightbox
 *
 * Portfolio-Slider-Block (blocks/portfolio-slider) und isolierte
 * Mini-Lightbox (slider.js). Galerie-Layouts werden vom Miarto
 * Galerie Plugin gerendert und gestylt.
 */

/* ============================================================
 * SLIDER
 * ============================================================ */

.ms-slider {
    position:      relative;
    border-radius: var(--ms-radius-md);
    overflow:      hidden;
    background:    var(--ms-color-anthracite);
    user-select:   none;
}

.ms-slider__track-wrapper {
    overflow: hidden;
}

.ms-slider__track {
    display:    flex; /* wird von initCoverSliders gebraucht */
    transition: transform 0.45s cubic-bezier( 0.25, 0.46, 0.45, 0.94 );
    will-change: transform;

    /* CSS-Scroll-Snap (Cover-Block-Slider) */
    overflow-x:                  auto;
    scroll-snap-type:            x mandatory;
    -webkit-overflow-scrolling:  touch;
    scrollbar-width:             none;
    -ms-overflow-style:          none;
}

/* WP fügt is-layout-flow { display: flow-root } hinzu – überschreiben */
.wp-block-group.ms-slider__track {
    display: flex !important;
}

.ms-slider__track::-webkit-scrollbar {
    display: none;
}

/* Cover-Blöcke als Slides im Scroll-Snap-Slider */
.ms-slider__track > .wp-block-cover {
    flex:              0 0 100%;
    scroll-snap-align: start;
    min-width:         0;
    min-height:        70vh;
}

/* Wrapper der von initCoverSliders injiziert wird */
.ms-slider--scroll {
    overflow:      visible; /* kein Clip – Track scrollt intern */
    background:    transparent;
    border-radius: 0;
}

/* Cover-Block-Slider: Crossfade-Modus */
.ms-slider--fade .ms-slider__track {
    display:         block;
    position:        relative;
    overflow:        visible;
    scroll-snap-type: none;
    height:          70vh; /* JS überschreibt mit gemessener Höhe */
}

.ms-slider--fade .ms-slider__track > .wp-block-cover {
    position:   absolute;
    inset:      0;
    width:      100%;
    height:     100%;
    min-height: 0 !important;
    z-index:    0;
    flex:       none;
    scroll-snap-align: none;
    /* opacity + transition werden von initCoverSliders() per inline-style verwaltet */
}

.ms-slider--fade .ms-slider__track > .wp-block-cover.is-active {
    z-index: 1;
}

.ms-slider__slide {
    flex:     0 0 100%;
    width:    100%;
    margin:   0;
    position: relative;
}

.ms-slider__slide img {
    display:      block;
    width:        100%;
    height:       auto;
    aspect-ratio: 16 / 9;
    object-fit:   cover;
    cursor:       zoom-in;
}

.ms-slider__caption {
    position:   absolute;
    bottom:     0;
    left:       0;
    right:      0;
    background: linear-gradient( to top, rgba(0,0,0,0.72) 0%, transparent 100% );
    color:      var(--ms-color-white);
    font-size:  0.875rem;
    line-height: 1.5;
    padding:    var(--ms-space-8) var(--ms-space-6) var(--ms-space-4);
    margin:     0;
}

/* Steuerleiste */

.ms-slider__controls {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             var(--ms-space-3);
    padding:         var(--ms-space-3) var(--ms-space-4);
    background:      var(--ms-surface);
}

.ms-slider__btn {
    display:          flex;
    align-items:      center;
    justify-content:  center;
    width:            36px;
    height:           36px;
    background:       none;
    border:           1px solid var(--ms-border);
    border-radius:    var(--ms-radius-sm);
    color:            var(--ms-text);
    cursor:           pointer;
    flex-shrink:      0;
    transition:       background var(--ms-transition), border-color var(--ms-transition);
}

.ms-slider__btn:hover:not(:disabled) {
    background:   var(--ms-border);
    border-color: var(--ms-text);
}

.ms-slider__btn:disabled {
    opacity: 0.3;
    cursor:  default;
}

.ms-slider__btn svg {
    stroke-linecap:  round;
    stroke-linejoin: round;
}

/* Punkte */

.ms-slider__dots {
    display:         flex;
    gap:             var(--ms-space-2);
    flex-wrap:       wrap;
    justify-content: center;
    flex:            1;
}

.ms-slider__dot {
    width:         8px;
    height:        8px;
    border-radius: 50%;
    background:    var(--ms-border);
    border:        none;
    padding:       0;
    cursor:        pointer;
    transition:    background var(--ms-transition), transform var(--ms-transition);
}

.ms-slider__dot.is-active {
    background: var(--ms-color-anthracite);
    transform:  scale( 1.4 );
}

/* Dark-Mode Slider-Punkte */
@media ( prefers-color-scheme: dark ) {
    .ms-slider__dot.is-active { background: var(--ms-color-gold); }
}

:root[data-theme="dark"]  .ms-slider__dot.is-active { background: var(--ms-color-gold); }
:root[data-theme="light"] .ms-slider__dot.is-active { background: var(--ms-color-anthracite); }

/* ============================================================
 * MINI-LIGHTBOX (isoliert für Portfolio-Slider)
 * ============================================================ */

#ms-lightbox {
    position:        fixed;
    inset:           0;
    z-index:         1000;
    display:         flex;
    align-items:     center;
    justify-content: center;
    animation:       ms-lb-fadein 0.2s ease;
}

#ms-lightbox[hidden] {
    display: none;
}

@keyframes ms-lb-fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Backdrop */

.ms-lightbox__backdrop {
    position: absolute;
    inset:    0;
    background: rgba(0, 0, 0, 0.93);
    cursor:   zoom-out;
}

/* Bild-Container */

.ms-lightbox__inner {
    position:        relative;
    z-index:         1;
    display:         flex;
    align-items:     center;
    justify-content: center;
    max-width:       calc( 100vw - 120px );
    max-height:      calc( 100vh - 80px );
}

.ms-lightbox__figure {
    position:      relative;
    margin:        0;
    text-align:    center;
    overflow:      hidden;
    border-radius: var(--ms-radius-sm);
    line-height:   0; /* remove gap below inline img */
}

.ms-lightbox__img {
    display:    block;
    max-width:  calc( 100vw - 120px );
    max-height: calc( 100vh - 80px );
    width:      auto;
    height:     auto;
    object-fit: contain;
    animation:  ms-lb-imgfade 0.2s ease;
}

@keyframes ms-lb-imgfade {
    from { opacity: 0; transform: scale( 0.97 ); }
    to   { opacity: 1; transform: scale( 1 ); }
}

/* Schließen-Button */

.ms-lightbox__close {
    position:        absolute;
    top:             var(--ms-space-3);
    right:           var(--ms-space-3);
    z-index:         2;
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             6px;
    padding:         0 14px 0 10px;
    height:          40px;
    min-width:       40px;
    background:      rgba( 255, 255, 255, 0.92 );
    border:          none;
    border-radius:   20px;
    color:           #111;
    font-size:       0.8rem;
    letter-spacing:  0.03em;
    cursor:          pointer;
    transition:      background var(--ms-transition);
}

.ms-lightbox__close:hover,
.ms-lightbox__close:focus-visible {
    background: #fff;
}

/* Navigation */

.ms-lightbox__nav {
    position:        absolute;
    top:             50%;
    transform:       translateY(-50%);
    z-index:         2;
    display:         flex;
    align-items:     center;
    justify-content: center;
    width:           48px;
    height:          48px;
    background:      rgba( 255, 255, 255, 0.1 );
    border:          1px solid rgba( 255, 255, 255, 0.2 );
    border-radius:   50%;
    color:           var(--ms-color-white);
    cursor:          pointer;
    transition:      background var(--ms-transition);
}

.ms-lightbox__nav:hover,
.ms-lightbox__nav:focus-visible {
    background: rgba( 255, 255, 255, 0.28 );
}

.ms-lightbox__nav--prev { left:  var(--ms-space-4); }
.ms-lightbox__nav--next { right: var(--ms-space-4); }

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

@media ( max-width: 768px ) {

    .ms-slider__slide img {
        aspect-ratio: 4 / 3;
    }

    .ms-lightbox__inner {
        max-width:  100vw;
        max-height: calc( 100vh - 110px );
    }

    .ms-lightbox__img {
        max-width:  100vw;
        max-height: calc( 100vh - 140px );
    }

    .ms-lightbox__nav--prev { left:  var(--ms-space-2); }
    .ms-lightbox__nav--next { right: var(--ms-space-2); }

    .ms-lightbox__nav {
        width:  40px;
        height: 40px;
    }
}

@media ( max-width: 480px ) {

    .ms-lightbox__close {
        width:  40px;
        height: 40px;
        top:    var(--ms-space-3);
        right:  var(--ms-space-3);
    }
}

/* ==========================================================================
   Progressive Fade-In für Slider-Bilder
   ========================================================================== */

.ms-slider__slide img {
    opacity: 0;
    transition: opacity 0.4s ease;
}

.ms-slider__slide img.is-loaded {
    opacity: 1;
}

/* Fallback: bereits gecachte Bilder ohne Ladeverzögerung */
.ms-slider__slide img[loading="eager"] {
    opacity: 1;
}