/* FOND GLOBAL */
html, body {
    background: #f0f2f5 !important;
    background-image: none !important;
}

/* LA BOITE PRINCIPALE AVEC BORDURE ROUGE */
.main-container {
    background: #ffffff;
    border-top: 6px solid #e21921; /* Rouge CCFG */
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    max-width: 550px;
    margin: 60px auto;
    padding: 40px;
}

/* TITRE ROUGE CCFG */
.ccfg-title {
    color: #e21921;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    font-size: 1.4rem;
    margin-bottom: 25px;
}

/* BOUTON ENVOYER ROUGE */
.btn-primary, #submit, .btn-success {
    background-color: #e21921 !important;
    border: none !important;
    width: 100%;
    padding: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.btn-primary:hover {
    background-color: #b3141a !important; /* Rouge plus foncé au survol */
}

/* NETTOYAGE DES CLASSES BOOTSTRAP RESIDUELLES */
.card, .card-body, .alert {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* ON CACHE LES ELEMENTS INUTILES */
nav, .navbar, #header, #footer, #background_url { display: none !important; }