.cpc-calculator {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.cpc-title {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.cpc-form {
    display: grid;
    gap: 15px;
}

.cpc-form-group {
    display: flex;
    flex-direction: column;
}

.cpc-label {
    margin-bottom: 5px;
    font-weight: bold;
}

.cpc-input,
.cpc-select {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.cpc-button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.cpc-button:hover {
    background-color: #45a049;
}

.cpc-results {
    margin-top: 20px;
    background: white;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

.cpc-results h3 {
    margin-top: 0;
    color: #333;
}

.cpc-result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.cpc-result-label {
    font-weight: bold;
}

.cpc-error {
    color: red;
    margin-top: 10px;
}

@media (max-width: 480px) {
    .cpc-calculator {
        padding: 15px;
    }

    .cpc-form {
        gap: 10px;
    }

    .cpc-input,
    .cpc-select,
    .cpc-button {
        font-size: 14px;
    }
}