.wp-block-miniqr-unified-builder {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: transparent;
    border-radius: 4px;
}

.wp-block-miniqr-unified-builder .step-container {
    margin-bottom: 2rem;
}

.wp-block-miniqr-unified-builder h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e5e5;
    color: #23282d;
}

.wp-block-miniqr-unified-builder .form-group {
    margin-bottom: 1rem;
}

.wp-block-miniqr-unified-builder label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.wp-block-miniqr-unified-builder input,
.wp-block-miniqr-unified-builder select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.wp-block-miniqr-unified-builder .generated-url,
.wp-block-miniqr-unified-builder .shortened-url {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.wp-block-miniqr-unified-builder .generated-url input,
.wp-block-miniqr-unified-builder .shortened-url input {
    flex: 1;
    background: #fff;
}

.wp-block-miniqr-unified-builder .button {
    padding: 8px 16px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.wp-block-miniqr-unified-builder .button:hover {
    background: #006291;
}

.wp-block-miniqr-unified-builder .button.button-secondary {
    background: #f8f9fa;
    color: #23282d;
    border: 1px solid #ddd;
}

.wp-block-miniqr-unified-builder .button.button-secondary:hover {
    background: #e9ecef;
}

.wp-block-miniqr-unified-builder .notice {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.wp-block-miniqr-unified-builder .notice-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.wp-block-miniqr-unified-builder .qr-preview {
    margin-top: 2rem;
    text-align: center;
}

.wp-block-miniqr-unified-builder .qr-preview img {
    max-width: 200px;
    height: auto;
    padding: 1rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .wp-block-miniqr-unified-builder {
        padding: 1rem;
        margin: 1rem;
    }
    
    .wp-block-miniqr-unified-builder .generated-url,
    .wp-block-miniqr-unified-builder .shortened-url {
        flex-direction: column;
    }
}