body {
    background: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

.form-control {
    padding-left: 2.5rem;
}

.input-group-text {
    background: none;
    border-right: none;
}

.form-control:focus {
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}