.formulaire-simple {
    width: 650px;
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Label + input sur la même ligne */
.ligne {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ligne label {
    padding: 8px;
    border: 1px solid #444;
    background: #f7f7f7;
    font-weight: bold;
    width: 120px;        /* largeur fixe pour alignement propre */
}

.ligne input {
    flex: 1;
    padding: 8px;
    border: 1px solid #aaa;
    border-radius: 4px;
}

/* Message reste en colonne */
.champ {
    display: flex;
    flex-direction: column;
}

.champ label {
    padding: 8px;
    border: 1px solid #444;
    background: #f7f7f7;
    font-weight: bold;
    margin-bottom: 6px;
}

.champ textarea {
    padding: 8px;
    border: 1px solid #aaa;
    border-radius: 4px;
}

/* Bouton */
.btn {
    padding: 10px;
    background: #333;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}

.btn:hover {
    background: #555;
}