.generation-ref-add,
.generation-ref-tile {
    --generation-ref-size: 52px;
    width: var(--generation-ref-size);
    height: var(--generation-ref-size);
    flex: 0 0 var(--generation-ref-size);
    border-radius: 14px;
}

.generation-ref-add {
    display: inline-flex;
    min-width: var(--generation-ref-size);
    min-height: var(--generation-ref-size);
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--ui-border-strong);
    background: transparent;
    color: var(--ui-text-2);
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.generation-ref-add:hover:not(:disabled):not([aria-disabled="true"]) {
    border-color: var(--accent-border-strong);
    background: var(--ui-hover);
    color: var(--ui-text-1);
}

.generation-ref-add:focus-visible {
    outline: 2px solid var(--ui-focus-ring);
    outline-offset: 2px;
}

.generation-ref-add:disabled,
.generation-ref-add[aria-disabled="true"],
.generation-ref-add.is-disabled {
    cursor: not-allowed;
    opacity: .35;
}

.generation-ref-tile {
    --generation-ref-danger: var(--status-error, var(--ui-danger, #ef4444));
    position: relative;
    display: block;
    min-width: var(--generation-ref-size);
    overflow: visible;
    background: var(--ui-card-media-bg);
}

.generation-ref-tile__replace {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    padding: 0;
    border: 1px solid var(--ui-border);
    border-radius: inherit;
    background: var(--ui-card-media-bg);
    color: var(--ui-text-1);
    cursor: pointer;
}

.generation-ref-tile__replace::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
    background: rgb(0 0 0 / 52%);
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s ease;
}

.generation-ref-tile:hover .generation-ref-tile__replace::after,
.generation-ref-tile:focus-within .generation-ref-tile__replace::after {
    opacity: 1;
}

.generation-ref-tile__replace:focus-visible {
    outline: 2px solid var(--ui-focus-ring);
    outline-offset: 2px;
}

.generation-ref-tile__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.generation-ref-tile__shade {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
    height: 50%;
    background: linear-gradient(to top, rgb(0 0 0 / 88%), transparent);
    pointer-events: none;
}

.generation-ref-tile__badge {
    position: absolute;
    right: 5px;
    bottom: 4px;
    z-index: 3;
    display: inline-flex;
    min-width: 16px;
    height: 16px;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 1px solid color-mix(in srgb, var(--ui-border-strong) 82%, transparent);
    border-radius: 5px;
    background: color-mix(in srgb, var(--ui-panel-elevated-bg) 88%, transparent);
    color: var(--accent);
    font-size: 9px;
    font-weight: 800;
    line-height: 1;
    pointer-events: none;
}

.generation-ref-tile__remove {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 4;
    display: inline-flex;
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    align-items: center;
    justify-content: center;
    padding: 0;
    transform: translate(-50%, -50%);
    border: 1px solid color-mix(in srgb, var(--generation-ref-danger) 52%, var(--ui-border-strong));
    border-radius: 999px;
    background: color-mix(in srgb, var(--ui-panel-elevated-bg) 90%, transparent);
    color: var(--generation-ref-danger);
    box-shadow: 0 2px 10px rgb(0 0 0 / 42%);
    opacity: 0;
    pointer-events: none;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: opacity .15s ease, background-color .15s ease, border-color .15s ease,
        color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.generation-ref-tile:hover .generation-ref-tile__remove,
.generation-ref-tile:focus-within .generation-ref-tile__remove,
.generation-ref-tile__remove:focus-visible {
    opacity: 1;
    pointer-events: auto;
}

.generation-ref-tile__remove:hover {
    transform: translate(-50%, -50%) scale(1.06);
    border-color: var(--generation-ref-danger);
    background: var(--generation-ref-danger);
    color: white;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--generation-ref-danger) 34%, transparent),
        0 4px 14px rgb(0 0 0 / 48%);
}

.generation-ref-tile__remove:focus-visible {
    outline: 2px solid var(--ui-focus-ring);
    outline-offset: 2px;
}

html.no-borders .generation-ref-add:not(:hover):not(:focus-visible),
html.no-borders .generation-ref-tile__replace:not(:hover):not(:focus-visible) {
    border-color: transparent;
}

html.no-borders .generation-ref-tile__remove {
    border-color: color-mix(in srgb, var(--generation-ref-danger) 52%, var(--ui-border-strong)) !important;
    background-image: none !important;
}

html.no-borders .generation-ref-add:hover,
html.no-borders .generation-ref-add:focus-visible {
    border-color: var(--accent-border-strong);
}

html.no-borders .generation-ref-tile__remove:hover {
    border-color: var(--generation-ref-danger) !important;
    background-image: none !important;
}

@media (pointer: coarse) {
    .generation-ref-tile__remove {
        opacity: 1;
        pointer-events: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .generation-ref-add,
    .generation-ref-tile__replace::after,
    .generation-ref-tile__remove {
        transition: none;
    }
}