.upi-qr-generator-wrapper {
    max-width: 500px;
    margin: 20px auto;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.upi-qr-generator-wrapper .form-group {
    margin-bottom: 20px;
}

.upi-qr-generator-wrapper label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.upi-qr-generator-wrapper label .required {
    color: #e74c3c;
}

.upi-qr-generator-wrapper input[type="text"],
.upi-qr-generator-wrapper input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.upi-qr-generator-wrapper input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 2px rgba(52,152,219,0.1);
}

.upi-qr-generator-wrapper .radio-group {
    display: flex;
    gap: 20px;
    margin-top: 5px;
}

.upi-qr-generator-wrapper .radio-group label {
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.upi-qr-generator-wrapper button#generate-upi-qr-btn {
    width: 100%;
    padding: 14px;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upi-qr-generator-wrapper button#generate-upi-qr-btn:hover {
    background-color: #219150;
}

.upi-qr-generator-wrapper button#generate-upi-qr-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

#upi-qr-result {
    margin-top: 30px;
    text-align: center;
    padding-top: 25px;
    border-top: 2px dashed #eee;
}

#upi-qr-result h3 {
    margin-bottom: 20px;
    color: #2c3e50;
    font-size: 18px;
}

#qrcode {
    display: inline-block;
    padding: 15px;
    background: white;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 20px;
}

#qrcode img, #qrcode canvas {
    max-width: 100%;
    height: auto !important;
}

.upi-qr-actions button#download-upi-qr-btn {
    padding: 10px 25px;
    background-color: #34495e;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upi-qr-actions button#download-upi-qr-btn:hover {
    background-color: #2c3e50;
}

@media (max-width: 480px) {
    .upi-qr-generator-wrapper {
        padding: 15px;
        margin: 10px;
    }
}