.logo {
    height: auto;
    max-width: 200px;
}
 
.card {
    background: linear-gradient(to bottom, #f2f6f9, #fefeff);
    border: 1px solid #dee2e6;
}
 
.btn-group .btn {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    color: #6c757d;
    font-weight: 500;
    min-height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
}
 
.btn-group .btn:hover {
    background-color: #e9ecef;
    color: #495057;
}
 
.btn-group .btn.active {
    background-color: #e9ecef;
    color: #0d4f3c;
    font-weight: 600;
}
 
.btn-group .btn.active i {
    color: #0d4f3c;
}

 
.btn-success {
    background-color: #0d4f3c;
    border-color: #0d4f3c;
    color: white;
    min-height: 38px;
}
 
.btn-success:hover {
    background-color: #0a3d2e;
    border-color: #0a3d2e;
}
 
.form-check-input:checked {
    background-color: #0d4f3c;
    border-color: #0d4f3c;
}
 
.text-success {
    color: #0d4f3c;
}
 
.text-muted {
    color: #6c757d;
}
 

@media (max-width: 768px) {
    .btn-group .btn {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
        min-height: 48px;
    }
    .logo {
        height: auto;
        max-width: 160px;
    }
    .card-body {
        padding: 1.5rem;
    }
    .stack-mobile.input-group {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    .stack-mobile.input-group > .form-control {
        width: 100%;
        border-radius: 0.375rem !important;
    }
    .stack-mobile.input-group > .btn {
        margin-top: 0.75rem;
        border-radius: 0.375rem !important;
        width: 100%;
    }
    
}