.external-content-block {
    min-height: 80px;
    max-width: 100% !important;
}

.external-content-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2em 1em;
    color: #666;
    text-align: center;
}

.external-content-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #e0e0e0;
    border-top-color: #3858e9;
    border-radius: 50%;
    animation: external-content-spin 0.8s linear infinite;
    margin-bottom: 0.75em;
}

@keyframes external-content-spin {
    to {
        transform: rotate(360deg);
    }
}

.external-content-error {
    color: #b32d2e;
    text-align: center;
    padding: 1em;
}

.external-content-block-preview {
    padding: 1em;
    border: 1px dashed #ccc;
    background: #f8f8f8;
}