.gst-calculator {
    background: #f8f9ff;
    padding: 30px;
    border-radius: 12px;
    max-width: 900px;
    margin: auto;
    text-align: center;
}

.gst-fields {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 30px;
}

.gst-fields input,
.gst-fields select {
    padding: 12px;
    font-size: 16px;
    width: 180px;
}

.gst-result {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
}

.gst-result h3 {
    margin: 0;
    font-size: 28px;
}

.gst-result p {
    margin: 5px 0 0;
    font-size: 14px;
    color: #555;
}