.wpfrete-product-box {
    margin-top: 22px;
    padding: 18px 18px 16px;
    background: #ffffff;
    border: 1px solid #ece8df;
    border-radius: 14px;
    max-width: 100%;
    box-shadow: 0 4px 18px rgba(18, 18, 18, 0.04);
    font-family: Arial, Helvetica, sans-serif;
}

.wpfrete-product-header {
    margin: 0 0 14px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #1d1d1d;
    letter-spacing: -0.02em;
}

.wpfrete-product-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.wpfrete-cep-input {
    flex: 1;
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid #d9d5cf;
    border-radius: 10px;
    background: #f7f7f7;
    color: #222;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wpfrete-cep-input:focus {
    border-color: #d9ad2b;
    box-shadow: 0 0 0 3px rgba(217, 173, 43, 0.15);
}

.wpfrete-btn {
    min-width: 120px;
    min-height: 48px;
    padding: 0 16px;
    border: none;
    border-radius: 10px;
    background: #1b1b1b;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.2s ease;
}

.wpfrete-btn:hover {
    opacity: 0.96;
    transform: translateY(-1px);
}

.wpfrete-result {
    min-height: 24px;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #4f4f4f;
}

@media (max-width: 480px) {
    .wpfrete-product-row {
        flex-direction: column;
        align-items: stretch;
    }

    .wpfrete-btn {
        width: 100%;
    }
}