dti-calculator {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

h2, h3 {
    color: #333;
    text-align: center;
}

.currency-select {
    margin-bottom: 20px;
    text-align: center;
}

.currency-select select {
    padding: 5px;
    font-size: 16px;
}

.input-group {
    margin: 10px 0;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.buttons {
    text-align: center;
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    margin: 0 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

#calculateBtn {
    background: #28a745;
    color: white;
}

#calculateBtn:hover {
    background: #218838;
}

#resetBtn {
    background: #dc3545;
    color: white;
}

#resetBtn:hover {
    background: #c82333;
}

.result {
    margin-top: 20px;
    padding: 15px;
    background: #fff;
    border-radius: 5px;
    display: none;
}

.result p {
    margin: 10px 0;
}

.suggestion {
    color: #007bff;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 600px) {
    .dti-calculator {
        margin: 10px;
        padding: 15px;
    }
    
    button {
        width: 100%;
        margin: 10px 0;
    }
}