.cms-repeater-card {
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

    .cms-repeater-card.is-dragging {
        opacity: 0.65;
        transform: scale(0.995);
    }

.cms-drop-indicator {
    height: 3px;
    border-radius: 2px;
    transition: opacity 120ms ease;
}

.cms-repeater-overlay {
    position: absolute;
    inset: 0;
    border-radius: 0.95rem;
    background: rgba(13,110,253,0.06);
    border: 1px dashed rgba(13,110,253,0.35);
    pointer-events: none;
    opacity: 0;
    transition: opacity 120ms ease;
}

.cms-repeater-card.is-dragging .cms-repeater-overlay {
    opacity: 1;
}

.cms-collapse-body {
    overflow: hidden;
    transition: max-height 180ms ease, opacity 180ms ease;
    opacity: 1;
    max-height: 1200px; /* enough for content */
}

    .cms-collapse-body.is-collapsed {
        opacity: 0;
        max-height: 0;
    }
.cms-preview-surface {
    padding: 16px;
    display: flex;
    justify-content: center;
    background: var(--bs-gray-100);
    min-height: 720px;
}

.cms-preview-frame {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 8px 28px rgba(0,0,0,.06);
    overflow: hidden;
    width: 100%;
    max-width: 1100px;
}

/* device frames */
.cms-preview-desktop {
    max-width: 1100px;
}

.cms-preview-tablet {
    max-width: 860px;
}

.cms-preview-mobile {
    max-width: 430px;
    border-radius: 28px;
}

/* per-block outline */
.cms-preview-block {
    position: relative;
    border: 1px solid transparent;
    border-radius: 14px;
    margin: 14px;
    transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
}

    .cms-preview-block:hover {
        border-color: rgba(13,110,253,.25);
        box-shadow: 0 6px 18px rgba(13,110,253,.08);
    }

    .cms-preview-block.is-selected {
        border-color: rgba(13,110,253,.55);
        box-shadow: 0 8px 26px rgba(13,110,253,.12);
    }

.cms-preview-block-toolbar {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    align-items: center;
    background: rgba(255,255,255,.85);
    border: 1px solid rgba(0,0,0,.06);
    border-radius: 12px;
    padding: 6px 10px;
    backdrop-filter: blur(6px);
    z-index: 2;
}