.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 2rem 1rem;
    border: 2px dashed #0d6efd;
    border-radius: 0.75rem;
    background-color: #f0f4ff;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.upload-zone:hover {
    background-color: #e0e9ff;
    border-color: #0a58ca;
}

.upload-zone--selected {
    background-color: #e6f4ea;
    border-color: #198754;
}

.upload-zone--selected i {
    color: #198754 !important;
}

.module-form-preview {
    max-width: 100%;
    max-height: 240px;
    object-fit: cover;
    border: 1px solid #dee2e6;
}