/* CSS para generar imagen de preview por defecto */
.default-preview-generator {
    width: 1200px;
    height: 630px;
    background: linear-gradient(135deg, #1B99D3 0%, #48BFF7 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    position: absolute;
    top: -9999px;
    left: -9999px;
}

.default-preview-generator .logo {
    width: 120px;
    height: 120px;
    margin-bottom: 30px;
    filter: brightness(0) invert(1);
}

.default-preview-generator .title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
}

.default-preview-generator .subtitle {
    font-size: 24px;
    text-align: center;
    opacity: 0.9;
}