.ccourier-box {
    background: #fff;
    border: 2px solid #0077cc;
    border-radius: 10px;
    padding: 20px;
    font-family: 'Segoe UI', sans-serif;
    max-width: 800px;
    margin: 30px auto;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.ccourier-box h3 {
    font-size: 22px;
    text-align: left;
    color: #1a1a1a;
    margin-bottom: 15px;
    font-weight: bold;
}

.ccourier-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 20px;
    align-items: start;
}

.ccourier-box label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
    color: #333;
    font-size: 14px;
}

.ccourier-box input, .ccourier-box select {
    width: 100%;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 5px;
    background: #fafafa;
}

.ccourier-box .resultado {
    background: #f4f6f8;
    border: 2px solid #0077cc;
    color: #0077cc;
    padding: 15px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    border-radius: 6px;
    margin-top: 10px;
}

#whatsappBtn {
    display: inline-block;
    background-color: #25D366;
    color: white;
    text-align: center;
    padding: 10px 15px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    margin-top: 10px;
    width: 100%;
}

.ccourier-aviso {
    margin-top: 20px;
    background: #fff5f5;
    padding: 15px;
    border-left: 4px solid #e63946;
    font-size: 13px;
    color: #444;
}

.ccourier-nota {
    margin-top: 10px;
    padding: 10px;
    background: #f0f8ff;
    border-left: 3px dashed #0077cc;
    font-size: 12px;
}

@media (max-width: 768px) {
    .ccourier-grid {
        grid-template-columns: 1fr;
    }
}