/* HM Gallery - base layout */

.hm-gallery {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    position: relative;
    color: #fff;
}

.hm-gallery-inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Main image area */

.hm-gallery-main {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    border-radius: 6px;
    overflow: hidden;
    /* keep a reasonable height even in small viewports (e.g. CodePen result) */
    min-height: clamp(220px, 40vh, 480px);
}

.hm-gallery-main img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    margin: 0 auto;
}

/* Slide animation helper images */

.hm-gallery-slide-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    display: block;
}

/* Prev / Next buttons */

.hm-gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    z-index: 2;
}

.hm-gallery-nav-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.hm-gallery-prev {
    left: 10px;
}

.hm-gallery-next {
    right: 10px;
}

/* Caption */

.hm-gallery-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 8px 12px;
    font-size: 14px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    box-sizing: border-box;
}

/* Autoplay button */

.hm-gallery-autoplay-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.hm-gallery-autoplay-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.hm-gallery-autoplay-btn::before {
    content: "▶";
}

.hm-gallery-autoplay-btn.is-playing::before {
    content: "❚❚";
}

/* Fullscreen button */

.hm-gallery-fs-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.hm-gallery-fs-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.hm-gallery-fs-btn::before {
    content: "⛶";
}

.hm-gallery--fullscreen .hm-gallery-fs-btn::before {
    content: "✕";
}

/* Counter (current / total) */

.hm-gallery-counter {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 4px 8px;
    font-size: 13px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 999px;
    z-index: 3;
}

/* Thumbnails */

.hm-gallery-thumbs {
    position: relative;
    padding: 4px 32px;
}

.hm-gallery-thumbs-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hm-gallery-thumbs-scroll::-webkit-scrollbar {
    display: none;
}

.hm-gallery-thumbs-track {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hm-gallery-thumb {
    border: none;
    padding: 0;
    background: none;
    cursor: pointer;
    flex: 0 0 auto;
    border-radius: 4px;
    overflow: hidden;
    opacity: 0.6;
    outline: none;
}

.hm-gallery-thumb img {
    display: block;
    height: 60px;
    width: auto;
}

.hm-gallery-thumb.is-active {
    opacity: 1;
}

/* Thumbnail navigation arrows */

.hm-gallery-thumbs-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    z-index: 3;
}

.hm-gallery-thumbs-nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.hm-gallery-thumbs-prev {
    left: 4px;
}

.hm-gallery-thumbs-next {
    right: 4px;
}

/* Fullscreen layout */

.hm-gallery.hm-gallery--fullscreen {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    z-index: 9999;
    background: #000;
}

.hm-gallery--fullscreen .hm-gallery-inner {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.hm-gallery--fullscreen .hm-gallery-main {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hm-gallery--fullscreen .hm-gallery-thumbs {
    flex: 0 0 auto;
}

.hm-gallery--fullscreen .hm-gallery-main img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    margin: 0;
}