.calculateur-devis-container {
    padding: 20px;
    font-family: Arial, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
}

/* GRILLE GLOBALE À 2 COLONNES (Générale) */
.devis-grid-container {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

/* Colonne Principale (Calculateur + Formulaire) */
.devis-main-column {
    flex: 1 1 65%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Colonne Galerie (Visuels à droite) */
.devis-gallery-column {
    flex: 1 1 35%;
    position: -webkit-sticky;
    position: sticky;
    top: 20px;
}

/* Conteneur supérieur : Calculateur et Résumé côte à côte */
.top-container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
}

.window {
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.client-window {
    flex: 1 1 55%;
}

/* FENÊTRE RÉSUMÉ : Effet Sticky Ancré au Scroll */
.resume-window {
    flex: 1 1 45%;
    position: -webkit-sticky;
    position: sticky;
    top: 20px;
    z-index: 100;
    background: #fcfcfc;
    border: 2px solid #007cba;
}

.client-window h2, .resume-window h3, .images-window h3 {
    color: #007cba;
    font-weight: bold;
    margin-top: 0;
}

.inline-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-prestation {
    margin-bottom: 15px;
}

/* Boutons d'options lumineuses */
.toggle-lumi {
    padding: 5px 12px;
    border: 1px solid #ccc;
    border-radius: 3px;
    cursor: pointer;
    font-weight: bold;
}

.oui-btn {
    background-color: #e2e2e2;
    color: #333;
}

.non-btn {
    background-color: #333;
    color: white;
}

.oui-btn.active {
    background-color: #007cba;
    color: white;
}

.non-btn.active {
    background-color: #555;
    color: white;
}

.red-text {
    color: #d63638;
    font-weight: bold;
}

.resume-label {
    font-size: 15px;
    font-weight: bold;
    color: #333;
}

/* GALERIE VISUELLE */
.gallery-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.gallery-img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid #eee;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.gallery-img[src=""], .gallery-img:not([src]) {
    display: none;
}

/* Classe d'éviction universelle */
.hidden {
    display: none !important;
}

#result.hidden {
    display: none;
}

/* Champs de saisie */
input, select, textarea {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 8px 10px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 4px;
}

.form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.form-row > div {
    flex: 1;
}

/* Boutons */
button, .btn-devis-submit {
    background-color: #007cba;
    color: #fff;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 15px;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.2s ease;
}

button:hover, .btn-devis-submit:hover {
    background-color: #005a87;
}

#openSettings {
    background: #666;
    color: #fff;
}

#confirm-devis {
    background-color: #ff6600;
    color: #fff;
}

#confirm-devis:hover {
    background-color: #e05500;
}

/* Modales d'administration */
#settingsModal, #passwordModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal-content {
    background: #fff;
    padding: 25px;
    border-radius: 6px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* ADAPTABILITÉ RESPONSIVE (Tablettes & Mobiles) */
@media (max-width: 991px) {
    .devis-grid-container {
        flex-direction: column;
    }

    .devis-gallery-column {
        position: static;
        width: 100%;
    }

    .gallery-wrapper {
        flex-direction: row;
        justify-content: space-between;
    }

    .gallery-img {
        max-width: 48%;
    }
}

@media (max-width: 768px) {
    .top-container {
        flex-direction: column;
    }

    .resume-window {
        position: static;
    }

    .form-row {
        flex-direction: column;
        gap: 8px;
    }

    .gallery-wrapper {
        flex-direction: column;
    }

    .gallery-img {
        max-width: 100%;
    }
}