body {
    background-color: #f0f2f5; /* Light grey background */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.card {
    border: none;
    border-radius: 0.75rem;
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-weight: 700;
    font-size: 2rem;
}

.input-group-text {
    background-color: #f8f9fa;
    border-right: 0;
}

.form-control {
    border-left: 0;
}

.form-control:focus {
    box-shadow: none;
    border-color: #ced4da;
}

.btn-custom {
    background-color: #6658dd; /* Purple color from image */
    color: white;
    font-weight: 600;
    padding: 0.75rem;
}

.btn-custom:hover {
    background-color: #5448b8;
    color: white;
}