body {
    margin: 0;
    padding: 0;
}

.tpv-container {
    max-width: 600px;
    width: 100%;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.tpv-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group input:focus, .form-group select:focus {
    border-color: #007cba;
    outline: none;
}

.pay-button {
    background: #007cba;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    width: 100%;
    margin-top: 20px;
}

.form-button {
    text-align: center;
}

.pay-button:hover {
    background: #005a87;
}

.alert {
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.amount-display {
    font-size: 24px;
    font-weight: bold;
    color: #007cba;
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
}

.tpv-info {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    font-size: 14px;
    color: #666;
}

.tpv-info h3 {
    margin-top: 0;
    color: #333;
}

.tpv-info ul {
    margin: 10px 0;
    padding-left: 20px;
}

.description {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.tpv-success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    margin: 20px 0;
    border: 1px solid #c3e6cb;
    border-radius: 5px;
}

.tpv-error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    margin: 20px 0;
    border: 1px solid #f5c6cb;
    border-radius: 5px;
}