/* ========================================
   BASE.HTML ENHANCEMENTS
   Miglioramenti accessibilità e usabilità
   ======================================== */

/* ==========================================
   MOBILE MENU - Checkbox Fallback CSS
   Menu funziona anche senza JavaScript
   ========================================== */

/* Nascondi checkbox (solo visibilità, accessibilità OK) */
.mobile-menu-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Quando checkbox è checked, mostra menu */
.mobile-menu-toggle:checked ~ header nav,
.mobile-menu-toggle:checked ~ nav {
  display: block !important;
}

/* Media query mobile */
@media screen and (max-width: 768px) {
  /* Menu mobile label deve essere cliccabile */
  .mobile-menu {
    cursor: pointer;
    z-index: 1001;
  }
  
  /* Nascondi nav di default su mobile */
  header nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color, #ffffff);
    z-index: 1000;
    overflow-y: auto;
    padding-top: 80px;
  }
  
  /* Quando checkbox checked, mostra nav */
  #mobile-menu-toggle:checked ~ .header-container nav {
    display: block !important;
  }
  
  /* Animazione icona menu */
  #mobile-menu-toggle:checked + .mobile-menu i:before {
    content: "\f00d"; /* FontAwesome X icon */
  }
}


/* ==========================================
   DROPDOWN INDICATORS
   Icone chevron per menu dropdown
   ========================================== */

/* Icona chevron nei dropdown */
.dropdown > a .dropdown-icon {
  font-size: 0.75em;
  margin-left: 0.4em;
  transition: transform 0.3s ease;
  display: inline-block;
}

/* Rotazione icona quando dropdown aperto (hover su desktop) */
.dropdown:hover > a .dropdown-icon {
  transform: rotate(180deg);
}

/* Rotazione icona su mobile quando dropdown aperto */
@media screen and (max-width: 768px) {
  .dropdown.active > a .dropdown-icon {
    transform: rotate(180deg);
  }
}

/* Assicura che l'icona sia sempre visibile */
.dropdown > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


/* ==========================================
   TELEGRAM WIDGET - Validazione Semplificata
   ========================================== */

/* Stili migliorati per campi required */
.telegram-form-group input[required],
.telegram-form-group textarea[required] {
  border-left: 3px solid var(--accent-color, #0088cc);
}

/* Indicatore visivo errore */
.telegram-form-group input.error,
.telegram-form-group textarea.error {
  border-color: #dc3545;
  background-color: #fff5f5;
}

/* Indicatore visivo successo */
.telegram-form-group input.valid,
.telegram-form-group textarea.valid {
  border-color: #28a745;
  background-color: #f0fff4;
}

/* Messaggio errore nascosto di default */
.telegram-error-msg {
  display: none;
  color: #dc3545;
  font-size: 0.875em;
  margin-top: 0.25rem;
}

/* Mostra errore quando campo ha classe error */
.telegram-form-group input.error ~ .telegram-error-msg,
.telegram-form-group textarea.error ~ .telegram-error-msg {
  display: block;
}


/* ==========================================
   PERFORMANCE & ACCESSIBILITY
   ========================================== */

/* Preload hover states per performance */
.dropdown > a,
.mobile-menu,
.telegram-btn-start button {
  will-change: transform;
}

/* Focus visibile per accessibilità */
.mobile-menu-toggle:focus + .mobile-menu,
.dropdown > a:focus,
button:focus {
  outline: 2px solid var(--accent-color, #0088cc);
  outline-offset: 2px;
}

/* Riduci movimento per utenti con preferenze ridotte */
@media (prefers-reduced-motion: reduce) {
  .dropdown-icon,
  .mobile-menu i {
    transition: none !important;
  }
}


/* ==========================================
   RESPONSIVE IMPROVEMENTS
   ========================================== */

/* Tablet (768px - 1024px) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
  .dropdown > a .dropdown-icon {
    font-size: 0.7em;
  }
}

/* Desktop grande (1920px+) */
@media screen and (min-width: 1920px) {
  .dropdown > a .dropdown-icon {
    font-size: 0.8em;
    margin-left: 0.5em;
  }
}