/* ============================================
   Navigation Glassmorphism - Portfolio Julian Lory
   ============================================ */

/* Réserver un espace fixe pour la navbar pour éviter tout saut entre les pages */
#navbar-container {
    height: 92px;
    min-height: 92px;
    flex-shrink: 0;
    /* Même fond que la navbar pour éviter un flash au chargement */
    background: rgba(10, 10, 10, 0.4);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

@media (max-width: 768px) {
    #navbar-container {
        height: 80px;
        min-height: 80px;
    }
}

body.light-mode #navbar-container {
    background: rgba(255, 255, 255, 0.5);
}

#navbar {
    background: rgba(10, 10, 10, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

@keyframes slideIn {
    from { width: 0; opacity: 0; }
    to { width: 2rem; opacity: 1; }
}

.nav-item:hover {
    transform: translateY(-2px);
}

/* Sélecteur de langue (drapeaux FR / USA) */
.lang-switcher {
    min-width: 5.5rem;
}
.lang-flag {
    transition: all 0.25s ease;
}
.lang-flag:hover {
    background: rgba(16, 185, 129, 0.15);
    transform: scale(1.15);
}
.lang-flag img {
    display: block;
    flex-shrink: 0;
}
.lang-flag.lang-active {
    background: rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 0 1.5px rgba(16, 185, 129, 0.5);
}
.lang-flag.lang-inactive {
    opacity: 0.6;
}

/* Mode clair */
body.light-mode #navbar {
    background: rgba(255, 255, 255, 0.5);
    border-bottom-color: rgba(16, 185, 129, 0.1);
}

body.light-mode #navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.1);
}

body.light-mode .nav-item {
    color: #374151;
}

body.light-mode .nav-item:hover {
    color: #111827;
}

body.light-mode .nav-item.nav-active {
    color: #111827;
}

/* ============================================
   Mobile-first & Responsive global
   ============================================ */

html {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
    min-width: 0;
}

/* Safe area pour encoches (iPhone X+, etc.) — nécessite viewport-fit=cover dans la meta viewport */
@supports (padding: max(0px)) {
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
    #navbar .container {
        padding-left: max(1rem, env(safe-area-inset-left)) !important;
        padding-right: max(1rem, env(safe-area-inset-right)) !important;
    }
    #mobile-menu .container {
        padding-left: max(1rem, env(safe-area-inset-left)) !important;
        padding-right: max(1rem, env(safe-area-inset-right)) !important;
    }
}

/* Zones tactiles minimales 44px (recommandation Apple/Google) */
@media (max-width: 768px) {
    .nav-item,
    #theme-toggle,
    #theme-toggle-mobile,
    #mobile-menu-btn,
    a[href].touch-manipulation {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    #mobile-menu a {
        min-height: 52px;
        padding-top: 0.875rem;
        padding-bottom: 0.875rem;
    }
}

/* Conteneurs : padding horizontal sur mobile */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}