/* Définitions de base pour le formulaire Wizard */
.devis-section {
    background-color: var(--light-bg);
}

.devis-wizard {
    max-width: 800px;
    margin: 40px auto;
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

/* --- PROGRESS BAR --- */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
}

.progress-bar::before {
    content: '';
    position: absolute;
    height: 3px;
    background-color: #ddd;
    width: 100%;
    top: 15px;
    left: 0;
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex-grow: 1;
    font-weight: bold;
    color: #999;
}

.step::before {
    content: attr(data-step);
    display: block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    border-radius: 50%;
    background-color: #ddd;
    color: var(--text-color);
    margin: 0 auto 10px;
    transition: background-color 0.3s;
}

.step.active {
    color: var(--primary-color);
}

.step.active::before {
    background-color: var(--secondary-color);
    color: var(--white);
}


/* --- FORM TABS & FIELDS --- */
.tab {
    display: none; /* Les étapes sont cachées par défaut */
    animation: fadeIn 0.5s;
}
/* Correction pour l'alignement des boutons (Clearfix) */
.tab::after {
content: "";
display: table;
clear: both;
}
.tab h3 {
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 25px;
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

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

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

.form-group input:not([type="checkbox"]), .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group.half-width {
    width: calc(50% - 10px);
    display: inline-block;
}
.form-group.half-width:nth-of-type(2n) {
    margin-left: 20px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    margin-top: 10px;
}
.checkbox-container input {
    margin-right: 10px;
}

/* --- ERREURS & SUCCÈS --- */
.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 5px;
    min-height: 1.2em; /* Pour éviter le saut de mise en page */
}

.form-group input.invalid, .form-group select.invalid, .form-group textarea.invalid {
    border-color: #e74c3c;
}

.success-message {
    text-align: center;
    padding: 40px;
    border: 2px solid var(--secondary-color);
    background-color: #f7f3e8;
    color: var(--primary-color);
    border-radius: 8px;
    display: none; /* Affiché par JS à la fin */
}

.success-message i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* --- BUTTONS --- */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
    margin-top: 20px;
}

.prev-btn {
    float: left; /* Assure que le bouton précédent reste à gauche */
    background-color: #ccc;
    color: var(--text-color);
}
.prev-btn:hover {
    background-color: #bbb;
}

.next-btn, .submit-btn {
    float: right;
    background-color: var(--secondary-color);
    color: var(--white);
    margin-left: 10px;
}
.next-btn:hover, .submit-btn:hover {
    background-color: #e67e22;
}


/* --- RESPONSIVE MOBILE --- */
@media (max-width: 768px) {
    .form-group.half-width {
        width: 100%;
        margin-left: 0 !important;
        display: block;
    }
    
    .next-btn, .submit-btn, .prev-btn {
        width: 100%;
        float: none;
        margin-left: 0;
        margin-top: 10px;
    }
}