.qr-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--border-color);
}
#qrcode {
    padding: 20px;
    background: white;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
}
#qrcode img {
    max-width: 100%;
}
.preview-hint {
    color: var(--text-secondary);
    font-size: 14px;
}
.config-section {
    max-width: 600px;
    margin: 0 auto;
}
.input-group {
    margin-bottom: 20px;
}
.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}
.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
}
.button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.status-message {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}
.status-message.success {
    color: var(--secondary-color);
}
.status-message.error {
    color: #ef4444;
}