.estimation-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    font-family: Arial, sans-serif;
}

.estimation-success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}

.form-page {
    display: none;
}

.form-page.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

.checkbox-group label,
.radio-group label {
    display: inline-block;
    margin-right: 15px;
    font-weight: normal;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.checkbox-group label {
    margin-right: 0;
    width: calc(33.33% - 10px);
}

@media (max-width: 768px) {
    .checkbox-group label {
        width: calc(50% - 10px);
    }
}

@media (max-width: 480px) {
    .checkbox-group label {
        width: 100%;
    }
}

.navigation-buttons {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
}

button {
    padding: 12px 24px;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

button:hover {
    background: #005a87;
}

.prev-btn {
    background: #6c757d;
}

.prev-btn:hover {
    background: #5a6268;
}

.submit-btn {
    background: #28a745;
}

.submit-btn:hover {
    background: #218838;
}

.model-group {
    display: none;
}

.model-group.active {
    display: block;
}

/* Message d'erreur pour les champs */
input:invalid, select:invalid {
    border-color: #dc3545;
}

input:focus:invalid, select:focus:invalid {
    outline: none;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25);
}

/* Styles pour le datepicker jQuery UI */
.ui-datepicker {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 9999 !important;
}

.ui-datepicker-header {
    background: #f5f5f5;
    border-radius: 4px;
    padding: 5px;
}

.ui-datepicker-title {
    font-weight: bold;
    text-align: center;
}

.ui-datepicker-prev, .ui-datepicker-next {
    cursor: pointer;
    padding: 5px;
}

.ui-datepicker-calendar {
    width: 100%;
    border-collapse: collapse;
}

.ui-datepicker-calendar th {
    background: #f5f5f5;
    padding: 5px;
    text-align: center;
}

.ui-datepicker-calendar td {
    text-align: center;
    padding: 3px;
}

.ui-datepicker-calendar td a {
    display: block;
    text-decoration: none;
    padding: 5px;
    color: #333;
    border-radius: 3px;
}

.ui-datepicker-calendar td a.ui-state-active {
    background: #0073aa;
    color: #fff;
}

.ui-datepicker-calendar td a:hover {
    background: #e9ecef;
}

/* Style pour le champ date */
#date_circulation {
    cursor: pointer;
    background-color: #fff;
}

#date_circulation:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 2px rgba(0,115,170,0.25);
}