body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 15px;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 10px 15px;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    border-color: #80bdff;
}

.btn-primary {
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
}

.result-item {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.result-item p {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.table {
    margin-top: 20px;
}

.table th {
    background-color: #f1f3f5;
    font-weight: 600;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card {
        margin: 10px;
    }
}