.tarif-container {
    max-width: 800px;
    margin: 20px 0;
    font-family: Arial, sans-serif;
}

.tarif-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.tarif-from, .tarif-to {
    flex: 1 1 300px;
}

.tarif-from label, .tarif-to label {
    display: block;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 10px;
    color: #333;
}

.tarif-container select {
    width: 100%;
    padding: 14px;
    border: 1px solid #DFE0E3;
    border-radius: 0px;
    font-size: 16px;
    color: #555;
    appearance: none;
    -webkit-appearance: none;
    background: url('data:image/svg+xml;utf8,<svg fill="%23555" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat;
    background-position: right 10px center;
    background-color: white;
}

.tarif-container select:focus {
    outline: none;
    border-color: #DFE0E3;
}

#tarif-result {
    width: 100%;
    color: #004e94;
    clear: both;
    padding-top: 16px;
    font-size: 20px;
}

#tarif-result p {
    margin: 0;
    color: #004e94;
}

/* Mobile Styles */
@media (max-width: 640px) {
    .tarif-selection {
        flex-direction: column;
    }
    
    .tarif-from, .tarif-to {
        flex: 1 1 100%;
    }
}