body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    border: none;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    padding: 1.5rem;
}

.card-body {
    padding: 2rem;
}

.wallet-address {
    word-break: break-all;
    display: block;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    margin-top: 5px;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    padding: 12px;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.form-control {
    padding: 12px;
    border: 1px solid #ddd;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    border-color: #80bdff;
}

.alert {
    margin-bottom: 20px;
}
