.ukvat-calculator {
    max-width: 800px;
    margin: 20px auto;
    padding: 30px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ukvat-title {
    font-size: 1.5rem;
    margin: 0 0 25px 0;
    color: #333;
    font-weight: 500;
}

.ukvat-main-form {
    background-color: #fff;
    padding: 0;
}

.ukvat-input-row {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ukvat-input-row label {
    flex: 0 0 40%;
    font-size: 1rem;
    color: #333;
    font-weight: normal;
}

.ukvat-input-row input,
.ukvat-input-row select {
    flex: 0 0 55%;
    width: 55%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #fff;
    color: #333;
    box-sizing: border-box;
}

.ukvat-input-row input:focus,
.ukvat-input-row select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.ukvat-result {
    margin-top: 25px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.ukvat-result p {
    font-size: 1rem;
    color: #333;
    margin: 0;
    font-weight: 500;
}

.ukvat-instructions {
    margin-top: 20px;
}

.ukvat-update-note {
    font-size: 1rem;
    color: #666;
    text-align: center;
    margin: 0;
}

/* Remove spinner buttons from number inputs */
.ukvat-input-row input[type="number"]::-webkit-inner-spin-button,
.ukvat-input-row input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.ukvat-input-row input[type="number"] {
    -moz-appearance: textfield;
}