/* --- THÈME CLAIR (Par défaut) --- */
body {
    background-color: #f0f0f0;
    font-family: "Segoe UI", Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #1a1a1a;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 10px;
}

h2, h3 {
    background-color: #1a1a1a;
    color: #FFFC00;
    border-radius: 10px;
    padding: 15px;
    margin: 0 0 15px 0;
    text-align: center;
    font-size: 1.2em;
}

.card {
    background: #ffffff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}

/* Boutons de base (Paramètres, etc.) */
.btn, input[type=submit] {
    background-color: #1a1a1a;
    color: #FFFC00;
    border: none;
    padding: 12px;
    width: 100%;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: block;
    text-align: center;
    box-sizing: border-box;
}

/* --- CONTACTS ET GROUPES (MODE CLAIR) --- */
.contact-btn {
    background-color: #ffffff !important; /* Fond blanc pour les contacts */
    color: #1a1a1a !important;            /* Texte noir */
    border: 1px solid #ddd !important;
    margin-bottom: 8px;
}

.group-btn {
    background-color: #FFFC00 !important; /* Jaune pour les groupes */
    color: #1a1a1a !important;
    border: 1px solid #e6e200 !important;
    margin-bottom: 8px;
}

input[type=text], input[type=password] {
    width: 100%;
    box-sizing: border-box;
    padding: 12px;
    margin: 8px 0;
    border: 2px solid #ddd;
    border-radius: 6px;
}

.nav-link {
    display: block;
    text-align: center;
    margin-top: 15px;
    color: #1a1a1a;
    font-weight: bold;
}

/* --- MODE SOMBRE DOUX (Compatible 2DS) --- */
body.dark-mode {
    background-color: #121212 !important;
    color: #cccccc !important;
}

body.dark-mode .card {
    background-color: #1e1e1e !important;
    border: 1px solid #333 !important;
}

/* Boutons contacts/groupes en mode sombre : Gris foncé doux */
body.dark-mode .contact-btn,
body.dark-mode .group-btn {
    background-color: #2a2a2a !important;
    color: #e6e600 !important;
    border: 1px solid #444 !important;
}

body.dark-mode .btn, 
body.dark-mode input[type=submit] {
    background-color: #333333 !important;
    color: #ffffff !important;
}

body.dark-mode input[type=text], 
body.dark-mode input[type=password] {
    background-color: #252525 !important;
    border-color: #444 !important;
    color: #ffffff !important;
}

body.dark-mode .nav-link {
    color: #888 !important;
}
.contact-btn img, .group-btn img {
    border: 1px solid rgba(0,0,0,0.1);
}
/* Aligner le contenu du bouton proprement */
.contact-btn, .group-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
}