/* Stili per l'editor HTML collassabile */
.html-preview-container {
    cursor: pointer;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow-y: auto;
    min-height: 36px;
    position: relative;
    transition: all 0.2s ease;
    background-color: #fafafa;
    margin-bottom: 8px;
}

.html-preview-container:hover {
    border-color: #aaa;
    background-color: #f5f5f5;
}

.html-preview-container .preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.03);
    display: none;
}

.html-preview-container:hover .preview-overlay {
    display: block;
}

.preview-overlay div {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.html-editor-container {
    position: relative;
    margin-bottom: 8px;
}

.collapse-editor-btn {
    position: absolute;
    right: 10px;
    top: 10px;
    z-index: 1000;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
}

.collapse-editor-btn:hover {
    opacity: 1;
}

/* Stile per il messaggio quando non c'è contenuto */
.html-preview-container .text-muted {
    color: #999;
    font-style: italic;
}