.calculator-container {
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.input-field {
    border: 2px solid #ff8c00;
    transition: all 0.3s ease;
}

.input-field:focus {
    border-color: #ff6b00;
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.2);
}

.btn-primary {
    background-color: #ff8c00;
    color: white;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #ff6b00;
}

.result-card {
    background-color: #fff8f0;
    border-left: 4px solid #ff8c00;
}