/**
 * Semantic Navigation CSS
 * Stili aggiuntivi per la navigazione semantica e accessibilità
 * Versione: 2.0
 */

/* Reset e base per elementi semantici */
nav, header {
    position: relative;
}

/* Miglioramenti per l'accessibilità */
.nav-link:focus,
.nav-dropdown-btn:focus,
.submenu-link:focus,
.language-btn:focus {
    outline: 2px solid #D4AF37;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}

/* Stati focus visibili per i link di navigazione */
.nav-link:focus-visible,
.nav-dropdown-btn:focus-visible,
.submenu-link:focus-visible {
    outline: 2px solid #D4AF37;
    outline-offset: 2px;
}

/* Supporto per browser che non supportano focus-visible */
.no-focus-visible .nav-link:focus,
.no-focus-visible .nav-dropdown-btn:focus,
.no-focus-visible .submenu-link:focus {
    outline: 2px solid #D4AF37;
    outline-offset: 2px;
}

/* Miglioramenti per il menu mobile */
#mobile-menu {
    /* Garantisce che il menu sia accessibile anche con JS disabilitato */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open {
    max-height: 100vh;
    opacity: 1;
    transform: translateY(0);
}

/* Miglioramenti per i dropdown */
.dropdown-menu {
    /* Assicura che i dropdown siano posizionati correttamente */
    position: absolute;
    z-index: 1000;
    min-width: 200px;
}

.dropdown-menu[aria-hidden="true"] {
    pointer-events: none;
}

.dropdown-menu[aria-hidden="false"] {
    pointer-events: auto;
}

/* Animazioni smooth per le icone */
.nav-dropdown-btn .fas {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Miglioramenti per gli stati hover */
@media (hover: hover) {
    .nav-link:hover,
    .submenu-link:hover {
        transform: translateY(-1px);
        transition: all 0.2s ease;
    }
}

/* Supporto per dispositivi touch */
@media (hover: none) {
    .nav-link:active,
    .submenu-link:active {
        background-color: rgba(212, 175, 55, 0.1);
        transform: scale(0.98);
    }
}

/* Miglioramenti per il language switcher */
.language-switcher {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(31, 31, 31, 0.9);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: 2px;
    backdrop-filter: blur(8px);
}

.language-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: #ffffff;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border-radius: 6px;
    min-width: 36px;
}

.language-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    color: #D4AF37;
}

.language-btn.active {
    background: linear-gradient(135deg, #D4AF37, #B8941F);
    color: #000000;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.language-btn.inactive {
    color: rgba(255, 255, 255, 0.7);
}

.language-separator {
    width: 1px;
    height: 16px;
    background: rgba(212, 175, 55, 0.3);
    margin: 0 2px;
}

/* Miglioramenti per la responsività */
@media (max-width: 1024px) {
    .dropdown-menu {
        position: static;
        width: 100%;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        border: none;
        border-top: 1px solid rgba(212, 175, 55, 0.2);
    }
    
    .language-switcher {
        scale: 0.9;
    }
}

@media (max-width: 640px) {
    .language-switcher {
        scale: 0.8;
    }
    
    .nav-link,
    .submenu-link {
        padding: 12px 16px;
        font-size: 0.95rem;
    }
}

/* Miglioramenti per dispositivi con motion ridotto */
@media (prefers-reduced-motion: reduce) {
    .nav-link,
    .submenu-link,
    .dropdown-menu,
    .language-btn,
    .nav-dropdown-btn .fas {
        transition: none;
    }
    
    #mobile-menu {
        transition: none;
    }
}

/* Miglioramenti per il contrasto elevato */
@media (prefers-contrast: high) {
    .nav-link:focus,
    .nav-dropdown-btn:focus,
    .submenu-link:focus {
        outline: 3px solid #ffffff;
        background: #000000;
    }
    
    .language-btn.active {
        background: #D4AF37;
        color: #000000;
        border: 2px solid #ffffff;
    }
}

/* Supporto per temi scuri del sistema */
@media (prefers-color-scheme: dark) {
    /* Gli stili sono già ottimizzati per il tema scuro */
}

/* Miglioramenti per la stampa */
@media print {
    .language-switcher,
    .dropdown-menu,
    #mobile-menu-btn {
        display: none !important;
    }
    
    .nav-link {
        color: #000000 !important;
        text-decoration: underline;
    }
}

/* Animazioni per il caricamento */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu[aria-hidden="false"] {
    animation: fadeInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Stato di caricamento per i link */
.nav-link.loading::after,
.submenu-link.loading::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-top: 1px solid #D4AF37;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Miglioramenti per l'indicatore di stato attivo */
.nav-link[aria-current="page"]::before,
.nav-link.active::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #D4AF37, #B8941F);
    border-radius: 1px;
}

/* Supporto per errori di rete */
.nav-link.error,
.submenu-link.error {
    position: relative;
}

.nav-link.error::after,
.submenu-link.error::after {
    content: "⚠";
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #ff6b6b;
    font-size: 0.8rem;
}

/* Miglioramenti per i tooltips */
.nav-link[title]:hover::after,
.submenu-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1001;
    pointer-events: none;
}

/* Fallback per browser non supportati */
.no-js .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    display: block;
}

.no-js #mobile-menu {
    position: static;
    transform: none;
    opacity: 1;
    max-height: none;
    display: block;
}