body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f6f9fc;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
    width: 400px;
}

h2 {
    color: #32325d;
    margin-bottom: 20px;
    text-align: center;
}

.form-row {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #6b7c93;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #e6ebf1;
    border-radius: 4px;
    box-sizing: border-box; /* Fix padding issue */
    font-size: 16px;
}

button {
    background-color: #5469d4;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 12px;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #4353a8;
}

#payment-message {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.hidden {
    display: none;
}

.success {
    color: #007d00;
}

.error {
    color: #cd3d64;
}