/* ==========================================================================
   HEADER TOPCENTER - ANIMATION SOUS-LIGNE UNIQUEMENT
   ========================================================================== */

/* Variables de couleurs */
:root {
    --topcenter-blue: #0D4FD8;
    --topcenter-blue-light: #3B82F6;
    --topcenter-orange: #FF772A;
    --topcenter-orange-light: #FDBA74;
    --topcenter-white: #ffffff;
    --topcenter-gray-100: #f3f4f6;
    --topcenter-gray-300: #d1d5db;
    --topcenter-gray-600: #4b5563;
    --topcenter-gray-700: #374151;
    --topcenter-gray-800: #1f2937;
}

/* Navigation principale */
.navbar-topcenter {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--topcenter-gray-300);
    padding: 0.5rem 0;
    transition: all 0.3s ease-in-out;
}

/* État transparent (accueil) */
.navbar-transparent {
    background-color: transparent !important;
    border-bottom: none;
    box-shadow: none;
}

/* État scrollé */
.navbar-scrolled {
    background-color: var(--topcenter-white) !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 0.25rem 0;
}

/* Logo */
.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--topcenter-blue);
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.navbar-brand:hover {
    background-color: rgba(13, 79, 216, 0.05);
    color: var(--topcenter-blue);
}

.navbar-logo {
    height: 50px;
    width: auto;
    margin-right: 0.5rem;
    transition: height 0.3s ease;
}

.navbar-brand span {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Bouton toggler */
.navbar-toggler-topcenter {
    border: 2px solid var(--topcenter-blue);
    border-radius: 8px;
    padding: 0.5rem;
    transition: border-color 0.3s ease;
}

.navbar-toggler-topcenter:hover {
    border-color: var(--topcenter-orange);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2813, 79, 216, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* LIENS DE NAVIGATION - BLEUS PAR DÉFAUT */
.nav-link-topcenter {
    position: relative !important;
    color: var(--topcenter-blue) !important;
    font-weight: 500;
    padding: 0.75rem 1rem !important;
    margin: 0 0.25rem;
    text-decoration: none !important;
    border: none;
    background: transparent;
    border-radius: 0;
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
    
    /* SUPPRESSION DU CONTEXTE AU CLIC */
    outline: none !important;
    box-shadow: none !important;
}

/* SUPPRESSION DU CONTEXTE BOOTSTRAP */
.nav-link-topcenter:focus,
.nav-link-topcenter:active,
.nav-link-topcenter:focus-visible,
.nav-link-topcenter:focus-within {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

/* SOUS-LIGNE BLEUE PAR DÉFAUT (40% de largeur) */
.nav-link-topcenter::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 40%;
    height: 2px;
    background-color: var(--topcenter-blue);
    transform: translateX(-50%);
    z-index: 1;
    /* ANIMATION UNIQUEMENT POUR LA SOUS-LIGNE */
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* SURVOL - ANIMATION DE LA SOUS-LIGNE */
.nav-link-topcenter:hover::after {
    width: 100%;
}

/* ÉTAT ACTIF - TEXTE ET SOUS-LIGNE ORANGE */
.nav-link-topcenter.active {
    color: var(--topcenter-orange) !important;
}

.nav-link-topcenter.active::after {
    width: 100% !important;
    background-color: var(--topcenter-orange) !important;
}

.nav-link-topcenter.active:hover::after {
    width: 100% !important;
    background-color: var(--topcenter-orange) !important;
}

/* STYLE SPÉCIFIQUE POUR L'ÉTAT TRANSPARENT */
.navbar-transparent .nav-link-topcenter {
    color: var(--topcenter-blue) !important;
}

.navbar-transparent .nav-link-topcenter::after {
    background-color: rgba(255, 255, 255, 0.6);
}

.navbar-transparent .nav-link-topcenter:hover::after {
    background-color: var(--topcenter-white);
    width: 100%;
}

.navbar-transparent .nav-link-topcenter.active {
    color: var(--topcenter-orange) !important;
}

.navbar-transparent .nav-link-topcenter.active::after {
    background-color: var(--topcenter-orange) !important;
    width: 100% !important;
}

/* Boutons admin */
.btn-topcenter-orange {
    background-color: var(--topcenter-orange);
    color: var(--topcenter-white);
    border: 1px solid var(--topcenter-orange);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.btn-topcenter-orange:hover {
    background-color: transparent;
    color: var(--topcenter-orange);
    border: 1px solid var(--topcenter-orange);
    transform: translateY(-2px);
}

.btn-topcenter-outline {
    background-color: transparent;
    color: var(--topcenter-blue);
    border: 1px solid var(--topcenter-blue);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.btn-topcenter-outline:hover {
    background-color: var(--topcenter-blue);
    color: var(--topcenter-white);
    transform: translateY(-2px);
}

.navbar-transparent .btn-topcenter-outline {
    color: var(--topcenter-white);
    border-color: var(--topcenter-white);
}

.navbar-transparent .btn-topcenter-outline:hover {
    background-color: var(--topcenter-white);
    color: var(--topcenter-blue);
}


/* Menu mobile */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        border-radius: 12px;
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-transparent .navbar-collapse {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .navbar-transparent .navbar-collapse .nav-link-topcenter {
        color: var(--topcenter-blue) !important;
    }
    
    .navbar-transparent .navbar-collapse .nav-link-topcenter::after {
        background-color: rgba(255, 255, 255, 0.6);
    }
    
    .navbar-transparent .navbar-collapse .nav-link-topcenter:hover::after {
        background-color: var(--topcenter-white);
        width: 100%;
    }
    
    .navbar-transparent .navbar-collapse .nav-link-topcenter.active {
        color: var(--topcenter-orange) !important;
    }
    
    .navbar-transparent .navbar-collapse .nav-link-topcenter.active::after {
        background-color: var(--topcenter-orange) !important;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .nav-link-topcenter {
        margin: 0.5rem 0 !important;
        display: block;
        width: 100%;
        text-align: center;
        padding: 0.75rem !important;
        border-radius: 8px;
    }
    
    .nav-link-topcenter::after {
        left: 0;
        transform: none;
        width: 40px;
    }
    
    .nav-link-topcenter:hover::after,
    .nav-link-topcenter.active::after {
        width: 60px;
    }

    /* Styles pour les boutons admin en mode mobile */
    .btn-topcenter-orange,
    .btn-topcenter-outline {
        display: block;
        width: calc(100% - 1rem); /* Largeur moins padding */
        margin: 0.5rem auto;
    }
}

/* États de focus pour accessibilité - SANS CONTEXTE */
.nav-link-topcenter:focus,
.navbar-brand:focus,
.navbar-toggler-topcenter:focus,
.btn-topcenter-orange:focus,
.btn-topcenter-outline:focus {
    outline: 2px solid var(--topcenter-blue);
    outline-offset: 2px;
}

/* Spacer pour navbar fixe */
.navbar-spacer {
    height: 80px;
    width: 100%;
    transition: height 0.3s ease-in-out;
}

.navbar-scrolled + .navbar-spacer {
    height: 70px;
}

/* Responsive pour petits écrans */
@media (max-width: 768px) {
    .navbar-logo {
        height: 40px;
    }
    
    .navbar-spacer {
        height: 70px;
    }
    
    .navbar-brand span {
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .navbar-logo {
        height: 36px;
    }
    
    .navbar-brand span {
        font-size: 1.125rem;
    }
    
    .nav-link-topcenter {
        font-size: 0.95rem;
    }
}

/* Correction pour Bootstrap - SPÉCIFICITÉ RENOFLÉE */
.navbar-nav .nav-link.nav-link-topcenter {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
    color: var(--topcenter-blue) !important;
}

/* Icônes en bleu par défaut */
.nav-link-topcenter i {
    color: var(--topcenter-blue) !important;
}

.navbar-transparent .nav-link-topcenter i {
    color: var(--topcenter-blue) !important;
}

/* Icônes du bouton actif en orange */
.nav-link-topcenter.active i {
    color: var(--topcenter-orange) !important;
}

/* SUPPRESSION DU CONTEXTE SUR TOUS LES ÉTATS */
.nav-link-topcenter,
.nav-link-topcenter:hover,
.nav-link-topcenter:focus,
.nav-link-topcenter:active,
.nav-link-topcenter:visited {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}