/**
 * Sapp Blocks — Slider Frontend CSS.
 *
 * Accessible, responsive carousel layout.
 * No external library; pure CSS + JS from slider-frontend.js.
 *
 * @package Sapp\Blocks
 */

/* ---- Container ---- */
.sapp-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
}

/* ---- Track (the scrolling row of slides) ---- */
.sapp-slider__track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    .sapp-slider__track {
        transition: none;
    }
}

/* ---- Individual slide ---- */
.sapp-slider__slide {
    flex: 0 0 100%;
    width: 100%;
    min-height: 200px;
    /* Slides other than active are visually hidden but remain in the DOM for ARIA */
}

.sapp-slider__slide:not(.is-active) {
    visibility: hidden;
    /* keep layout space; IntersectionObserver in JS is not needed for slider */
}

.sapp-slider__slide.is-active {
    visibility: visible;
}

/* Images inside slides are responsive */
.sapp-slider__slide img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---- Arrows ---- */
.sapp-slider__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: 2px solid transparent;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
    /* min touch target 44x44 already satisfied */
}

.sapp-slider__arrow:hover,
.sapp-slider__arrow:focus-visible {
    background: rgba(0, 0, 0, 0.7);
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.sapp-slider__arrow:disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

.sapp-slider__arrow--prev {
    left: 12px;
}

.sapp-slider__arrow--next {
    right: 12px;
}

/* ---- Dot navigation ---- */
.sapp-slider__dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.sapp-slider__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0;
    /* meets 44px touch target via padding or min-width below if needed */
    transition: background 0.2s ease, transform 0.2s ease;
}

.sapp-slider__dot.is-active {
    background: #fff;
    transform: scale(1.2);
}

.sapp-slider__dot:hover,
.sapp-slider__dot:focus-visible {
    background: rgba(255, 255, 255, 0.9);
    outline: 2px solid #fff;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .sapp-slider__arrow,
    .sapp-slider__dot {
        transition: none;
    }
}