body {
    background-color: #f7f9fc;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    max-width: 600px;
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #007bff;
}

.form-label {
    font-weight: 600;
}

.btn-primary {
    width: 100%;
    padding: 10px;
    font-size: 16px;
}

.text-danger {
    font-size: 0.9em;
}