a.sel-lightbox-hover {
    display: inline-block;
    cursor: pointer;
}

.sel-lightbox-trigger {
    cursor: pointer;
}

a.sel-lightbox-hover img,
img.sel-lightbox-hover {
    transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
}

a.sel-lightbox-hover:hover img,
a.sel-lightbox-hover:focus-visible img,
img.sel-lightbox-hover:hover,
img.sel-lightbox-hover:focus-visible {
    transform: scale(1.03);
    filter: brightness(1.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

/* Colors are custom properties so a theme can restyle with one plain rule, e.g.
   .simple-easy-lightbox-overlay { --sel-accent: #c4122f; }
   :where() keeps these defaults at zero specificity so any theme rule wins. */
:where(.simple-easy-lightbox-overlay) {
    --sel-accent: #b8a0d8;
    --sel-caption-color: #9a9ab8;
    --sel-button-color: #d4d4e8;
    --sel-button-bg: rgba(10, 10, 20, 0.6);
    --sel-button-bg-hover: rgba(10, 10, 20, 0.8);
    --sel-button-border: rgba(255, 255, 255, 0.2);
    --sel-overlay-rgb: 4, 4, 12;
}

:where(.simple-easy-lightbox-overlay.sel-theme-light) {
    --sel-accent: #222;
    --sel-caption-color: #444;
    --sel-button-color: #555;
    --sel-button-bg: rgba(255, 255, 255, 0.85);
    --sel-button-bg-hover: rgba(255, 255, 255, 0.95);
    --sel-button-border: rgba(0, 0, 0, 0.15);
    --sel-overlay-rgb: 255, 255, 255;
}

/* Overlay. --sel-overlay-opacity is set by JS from the opacity setting. */
.simple-easy-lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(var(--sel-overlay-rgb), var(--sel-overlay-opacity, 0.92));
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    /* Visibility flips instantly on open (so focus can move in) and only after the fade on close. */
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
    cursor: default;
}

/* While it fades out, a closed overlay must not swallow clicks meant for the page. */
.simple-easy-lightbox-overlay:not(.is-active),
.simple-easy-lightbox-overlay:not(.is-active) * {
    pointer-events: none;
}

.simple-easy-lightbox-overlay.is-active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0s;
}

.simple-easy-lightbox-inner {
    position: relative;
    max-width: 92vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.simple-easy-lightbox-inner > * {
    pointer-events: auto;
}

.simple-easy-lightbox-img {
    max-width: 92vw;
    max-height: 85vh;
    width: auto;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
    transform: scale(0.92);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    cursor: pointer;
}

.simple-easy-lightbox-overlay.is-active .simple-easy-lightbox-img {
    transform: scale(1);
    opacity: 1;
}

.simple-easy-lightbox-caption,
.simple-easy-lightbox-counter {
    color: var(--sel-caption-color);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease 0.15s;
}

.simple-easy-lightbox-caption {
    font-style: italic;
    margin-top: 12px;
    padding: 0 20px;
    max-width: 600px;
}

.simple-easy-lightbox-counter {
    margin-top: 10px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
}

.simple-easy-lightbox-counter + .simple-easy-lightbox-caption {
    margin-top: 4px;
}

.simple-easy-lightbox-overlay.is-active .simple-easy-lightbox-caption,
.simple-easy-lightbox-overlay.is-active .simple-easy-lightbox-counter {
    opacity: 1;
}

/* Announces the position to screen readers while stepping through images. */
.simple-easy-lightbox-status {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* min-width/min-height: theme button rules would otherwise stretch the circles. */
.simple-easy-lightbox-close,
.simple-easy-lightbox-prev,
.simple-easy-lightbox-next {
    position: absolute;
    z-index: 100001;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--sel-button-border);
    border-radius: 50%;
    background: var(--sel-button-bg);
    color: var(--sel-button-color);
    cursor: pointer;
    transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
    padding: 0;
    margin: 0;
    min-width: 0;
    min-height: 0;
    box-shadow: none;
    user-select: none;
}

.simple-easy-lightbox-close svg,
.simple-easy-lightbox-prev svg,
.simple-easy-lightbox-next svg {
    display: block;
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.simple-easy-lightbox-close {
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
}

.simple-easy-lightbox-close svg {
    width: 18px;
    height: 18px;
}

.simple-easy-lightbox-close:hover,
.simple-easy-lightbox-close:focus-visible,
.simple-easy-lightbox-prev:hover,
.simple-easy-lightbox-prev:focus-visible,
.simple-easy-lightbox-next:hover,
.simple-easy-lightbox-next:focus-visible {
    border-color: var(--sel-accent);
    color: var(--sel-accent);
    background: var(--sel-button-bg-hover);
}

.simple-easy-lightbox-close:focus-visible,
.simple-easy-lightbox-prev:focus-visible,
.simple-easy-lightbox-next:focus-visible {
    outline: 2px solid var(--sel-accent);
    outline-offset: 2px;
}

.simple-easy-lightbox-prev,
.simple-easy-lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
}

.simple-easy-lightbox-prev { left: -54px; }
.simple-easy-lightbox-next { right: -54px; }

.simple-easy-lightbox-overlay[data-count="1"] .simple-easy-lightbox-prev,
.simple-easy-lightbox-overlay[data-count="1"] .simple-easy-lightbox-next {
    display: none;
}

.simple-easy-lightbox-overlay.is-loading .simple-easy-lightbox-img {
    visibility: hidden;
}

.simple-easy-lightbox-spinner {
    display: none;
    width: 36px;
    height: 36px;
    border: 3px solid rgba(128, 128, 128, 0.25);
    border-top-color: var(--sel-accent);
    border-radius: 50%;
    animation: simple-easy-spin 0.7s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -18px 0 0 -18px;
}

.simple-easy-lightbox-overlay.is-loading .simple-easy-lightbox-spinner {
    display: block;
}

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

.sel-theme-light {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.sel-theme-light .simple-easy-lightbox-img {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
    .simple-easy-lightbox-img {
        max-width: 96vw;
        max-height: 80vh;
    }

    .simple-easy-lightbox-close {
        top: -12px;
        right: -12px;
        width: 36px;
        height: 36px;
    }

    .simple-easy-lightbox-prev,
    .simple-easy-lightbox-next {
        width: 38px;
        height: 38px;
    }

    .simple-easy-lightbox-prev { left: -6px; }
    .simple-easy-lightbox-next { right: -6px; }

    .simple-easy-lightbox-caption,
    .simple-easy-lightbox-counter {
        font-size: 0.8rem;
    }
}

/* Fades only, no scaling or zooming. */
@media (prefers-reduced-motion: reduce) {
    a.sel-lightbox-hover img,
    img.sel-lightbox-hover {
        transition: none;
    }

    a.sel-lightbox-hover:hover img,
    a.sel-lightbox-hover:focus-visible img,
    img.sel-lightbox-hover:hover,
    img.sel-lightbox-hover:focus-visible {
        transform: none;
    }

    .simple-easy-lightbox-img,
    .simple-easy-lightbox-overlay.is-active .simple-easy-lightbox-img {
        transform: none;
        transition: opacity 0.2s ease;
    }

    .simple-easy-lightbox-spinner {
        animation-duration: 1.5s;
    }
}