.cvc-card {
    max-width: 700px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.cvc-card h2 {
    margin-bottom: 10px;
    color: #222;
}

.cvc-form {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.cvc-field {
    flex: 1;
    min-width: 200px;
}

.cvc-field input,
.cvc-field select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.cvc-resistor {
    display: flex;
    gap: 5px;
}

#cvc-convert {
    background: #0073aa;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#cvc-convert:hover {
    background: #005177;
}

.cvc-result {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #eee;
    margin-top: 10px;
}

.cvc-footer {
    font-size: 14px;
    color: #555;
    margin-top: 15px;
}

/* Responsive */
@media (max-width: 600px) {
    .cvc-form {
        flex-direction: column;
    }
}