body {
    padding-top: 60px;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.auth-form {
    max-width: 400px;
    margin: 0 auto;
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
}

#code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.alert {
    margin-top: 20px;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}