body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 400px;
    margin: 60px auto;
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
}

h1, h2 {
    color: #333;
}

.subtitle {
    color: #666;
    margin-bottom: 25px;
}

.steps {
    margin: 20px 0;
}

.step {
    background: #e8f5e9;
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
}

.buttons, .menu {
    margin-top: 25px;
}

.btn {
    display: block;
    padding: 12px;
    margin: 8px 0;
    background: #2e7d32;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
}

.btn.secondary {
    background: #1565c0;
}

.btn.danger {
    background: #c62828;
}

.card {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

.amount {
    font-size: 26px;
    color: #2e7d32;
    font-weight: bold;
}