body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    text-align: center;
    padding: 50px 20px;
    background-color: #f8f9fa;
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    max-width: 500px;
    background-color: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1 {
    color: #00a32a;
    margin-top: 0;
    font-size: 28px;
}
p {
    margin-bottom: 20px;
    color: #333;
    font-size: 16px;
    line-height: 1.5;
}
.note {
    background-color: #f0f6fc;
    padding: 15px;
    border-left: 4px solid #0073aa;
    margin: 20px 0;
    text-align: left;
}
.button {
    background: #0073aa;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 4px;
    display: inline-block;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.button:hover {
    background: #005a87;
}
/* Styles for error state (used in payment-cancel.php) */
h1.error {
    color: #d63638;
}