:root {
      --bg-color: #f5f5f5;
      --text-color: #333;
      --card-bg: #fff;
      --border-color: #ccc;
      --primary-blue: #3B4CCA;
      --primary-yellow: #ffcc00;
      --silhouette: #333;
    }

    body {
      font-family: Arial, sans-serif;
      text-align: center;
      background-color: var(--bg-color);
      color: var(--text-color);
      margin: 0;
      padding: 0;
      transition: background-color 0.3s, color 0.3s;
    }

    /* --- Modalità Scura --- */
    body.dark-mode {
      --bg-color: #333;
      --text-color: #f0f0f0;
      --card-bg: #444;
      --border-color: #555;
      --silhouette: #000;
    }

    /* --- Contenitori di Pagina --- */
    .page-container {
      display: none; /* Nascosto di default */
      padding: 20px;
      padding-top: 100px; 
      position: relative;
    }

    .back-to-menu {
      position: absolute;
      top: 55px;
      left: 15px;
      padding: 8px 15px;
      font-size: 16px;
      cursor: pointer;
      background-color: var(--primary-blue);
      color: white;
      border: none;
      border-radius: 8px;
      z-index: 10; 
    }

    h1, h2, h3 {
      color: var(--primary-yellow);
    }
    h3 {
      text-align: center;
    }

    /* --- Menu Principale --- */
    #mainMenu {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      height: 100vh;
      text-align: center;
      padding-top: 50px;
      box-sizing: border-box; 
    }
    #mainMenu h1 {
      font-size: 3.5rem;
      text-shadow: 2px 2px 4px #333;
    }
    .menu-options button {
      display: block;
      width: 250px;
      margin: 15px auto;
      padding: 20px;
      font-size: 1.5rem;
      cursor: pointer;
      border: none;
      border-radius: 10px;
      background-color: var(--primary-blue);
      color: white;
      transition: background-color 0.3s;
    }
    .menu-options button:hover {
      background-color: #5E6ABC;
    }

    /* --- Gioco (Stili Originali) --- */
    .container {
      display: flex;
      justify-content: center;
      gap: 50px;
      margin-top: 30px;
    }
    .pokemon { text-align: center; }
    .pokemon img {
      width: 100px;
      height: 100px;
      image-rendering: pixelated;
    }
    .options { margin-top: 20px; }
    .options button {
      margin: 5px;
      padding: 10px 20px;
      font-size: 16px;
      cursor: pointer;
    }
    #score, #highscore {
      font-size: 20px;
      margin-top: 15px;
    }
    #gameOverPopup {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.6);
      justify-content: center;
      align-items: center;
      z-index: 1000;
    }
    #gameOverPopup .popup-content {
      background: var(--card-bg);
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      max-width: 360px;
      color: var(--text-color); 
    }
    #timer { font-size: 22px; color: #d32f2f; }
    #wrongDetails { white-space: pre-wrap; }
    
    /* --- Classifica --- */
    .leaderboard-list-container {
      max-width: 500px;
      margin: 20px auto;
      background: var(--card-bg);
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    #leaderboardList {
      list-style-type: none;
      padding: 0;
      margin: 0;
      font-size: 1.2rem;
    }
    #leaderboardList li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 10px;
      border-bottom: 1px solid var(--border-color);
    }
    #leaderboardList li:last-child {
      border-bottom: none;
    }
    #leaderboardList li .rank {
      font-weight: bold;
      color: var(--primary-blue);
      min-width: 40px;
      text-align: left;
    }
    #leaderboardList li .name {
      flex-grow: 1;
      text-align: left;
      margin-left: 15px;
      word-break: break-all;
    }
    #leaderboardList li .score {
      font-weight: bold;
      color: var(--primary-yellow);
    }
    #leaderboardList .loading-msg {
        justify-content: center;
        text-align: center;
        font-style: italic;
        color: var(--text-color);
    }

    /* --- Account & Pokédex --- */

    /* Stili per Moduli Auth */
    .auth-container {
      max-width: 400px;
      margin: 20px auto;
      background: var(--card-bg);
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      text-align: left;
    }
    .auth-container h3 {
      text-align: center;
      margin-top: 0;
    }
    .auth-container p {
        text-align: center;
        font-size: 0.95rem;
        margin: 15px 0;
    }
    .auth-container input {
      width: 95%;
      padding: 10px;
      margin-bottom: 12px;
      font-size: 1rem;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background: var(--bg-color);
      color: var(--text-color);
    }
    .auth-container button {
      width: 100%;
      padding: 12px;
      font-size: 1.1rem;
      cursor: pointer;
      border: none;
      border-radius: 8px;
      background-color: var(--primary-blue);
      color: white;
    }
    .auth-toggle {
      margin-top: 15px;
      text-align: center;
      font-size: 0.9rem;
    }
    .auth-toggle button {
      background: none;
      color: var(--primary-blue);
      text-decoration: underline;
      padding: 5px;
      width: auto;
      font-size: 0.9rem;
    }
    /* Stile per pulsante secondario (es. Invia di nuovo) */
    .auth-container button.secondary {
        background-color: var(--primary-yellow);
        color: #333;
        margin-top: 10px;
    }

    .auth-error {
      color: #d32f2f;
      margin-top: 10px;
      text-align: center;
      font-size: 0.9rem;
    }
    /* Messaggio di successo (verde) */
    .auth-success {
      color: #388e3c;
      margin-top: 10px;
      text-align: center;
      font-size: 0.9rem;
    }
    
    /* --- Benefici Account --- */
    .auth-benefits {
      max-width: 400px;
      margin: 20px auto;
      background: var(--card-bg);
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      text-align: left;
    }
    .auth-benefits h3 {
      text-align: center;
      margin-top: 0;
    }
    .auth-benefits ul {
      list-style-type: '✔';
      padding-left: 25px;
    }
    .auth-benefits li {
      padding-left: 10px;
      margin-bottom: 10px;
      font-size: 1.1rem;
    }

    /* --- Nota Privacy --- */
    .data-privacy-notice {
      font-size: 0.8rem;
      text-align: center;
      margin: 15px 0 10px 0;
      color: var(--text-color);
      opacity: 0.8;
    }

    /* Stato Auth Globale */
    #authStatus {
      padding: 10px;
      background: var(--card-bg);
      color: var(--text-color);
      font-size: 0.9rem;
      text-align: center;
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 998;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    body.dark-mode #authStatus {
      box-shadow: 0 2px 4px rgba(0,0,0,0.4);
    }
    #authStatus button {
      margin-left: 10px;
      background: var(--primary-yellow);
      color: #333;
      border: none;
      padding: 3px 8px;
      border-radius: 5px;
      cursor: pointer;
    }

    /* Contenitori Dati Account */
    #authContainer { display: none; }
    #userDataContainer { display: none; }
    #verificationContainer { display: none; }


    #statsSummary {
      background: var(--card-bg);
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      margin-bottom: 25px;
      font-size: 1.2rem;
      text-align: left;
    }
    #statsSummary div { margin: 10px 0; }
    #statsSummary div:last-child span:first-child { 
        font-weight: bold; 
    }

    #pokedexSearch {
      padding: 10px;
      width: 250px;
      font-size: 16px;
      margin-bottom: 20px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background-color: var(--card-bg);
      color: var(--text-color);
    }
    .pokedex-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 15px;
      justify-items: center;
    }
    .pokedex-pokemon {
      background: var(--card-bg);
      border-radius: 12px;
      padding: 10px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      width: 110px;
      cursor: pointer;
      transition: transform 0.2s;
    }
    .pokedex-pokemon:hover { transform: scale(1.05); }
    .pokedex-pokemon img {
      width: 80px;
      height: 80px;
      image-rendering: pixelated;
    }
    .pokedex-pokemon-name {
      margin-top: 8px;
      font-size: 14px;
      word-wrap: break-word;
    }
    /* Stile per Pokémon Bloccati */
    .pokedex-pokemon.locked img {
      filter: brightness(0);
      opacity: 0.8;
    }
    .pokedex-pokemon.locked .pokedex-pokemon-name {
      color: var(--silhouette);
    }

    /* Modal Pokédex */
    .modal {
      display: none;
      position: fixed;
      z-index: 999;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background-color: rgba(0,0,0,0.6);
      justify-content: center;
      align-items: center;
    }
    .modal-content {
      background-color: var(--card-bg);
      color: var(--text-color);
      border-radius: 12px;
      padding: 20px;
      max-width: 400px;
      width: 90%;
      text-align: left;
      position: relative;
    }
    .close-btn {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 22px;
      font-weight: bold;
      cursor: pointer;
    }
    .modal img {
      display: block;
      margin: 0 auto 10px auto;
      width: 120px;
      height: 120px;
      image-rendering: pixelated;
    }
    .stat { margin: 5px 0; }
    .stat-name { font-size: 14px; margin-bottom: 2px; }
    .stat-bar { height: 10px; background-color: #eee; border-radius: 5px; overflow: hidden; }
    .stat-bar-inner { height: 100%; background-color: #4caf50; width: 0%; }
    /* Modal per Pokémon Bloccati */
    .modal img.locked {
      filter: brightness(0);
    }

    /* --- Impostazioni --- */
    .settings-group {
      background: var(--card-bg);
      border-radius: 12px;
      padding: 20px;
      margin: 20px auto;
      max-width: 400px;
      text-align: left;
    }
    .settings-group label {
      font-size: 1.2rem;
      font-weight: bold;
      display: block;
      margin-bottom: 10px;
    }
    .settings-group select, .settings-group .language-options {
      width: 100%;
      padding: 10px;
      font-size: 1rem;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background-color: var(--card-bg);
      color: var(--text-color);
    }
    .language-options button {
      font-size: 24px;
      border: none;
      background: none;
      cursor: pointer;
      padding: 5px 10px;
      border-radius: 5px;
      transition: background-color 0.2s;
    }
    .language-options button:hover {
      background-color: rgba(0,0,0,0.1);
    }
    .language-options button.active {
      background-color: var(--primary-blue);
      color: white;
    }
/* --- Stili per Popup Generico (per Game Mode) --- */
.popup-container {
  display: none; /* Nascosto di default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.popup-container .popup-content {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  max-width: 400px;
  color: var(--text-color);
}
.popup-container .popup-content h2 {
  margin-top: 0;
}
/* Usa gli stili dei bottoni del menu principale */
.popup-container .menu-options button {
  display: block;
  width: 100%;
  margin: 15px auto;
  padding: 20px;
  font-size: 1.2rem; /* Più piccoli del menu principale */
  cursor: pointer;
  border: none;
  border-radius: 10px;
  background-color: var(--primary-blue);
  color: white;
  transition: background-color 0.3s;
}
.popup-container .menu-options button:hover {
  background-color: #5E6ABC;
}
/* Bottone secondario (Indietro) */
.popup-container .popup-content button.secondary {
  background: none;
  color: var(--primary-blue);
  padding: 10px;
  width: auto;
  font-size: 1rem;
  text-decoration: underline;
  margin-top: 15px;
  border: none;
  cursor: pointer;
}

/* --- Stili per Gioco "Metti in Ordine" --- */
#sortGameContainer {
  max-width: 500px;
  margin: 0 auto;
}
#sortableList {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}
.sortable-item {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
.sortable-item img {
  width: 50px;
  height: 50px;
  image-rendering: pixelated;
  margin-right: 15px;
}
.sortable-item:active {
  cursor: pointer;
}
.sortable-item.selected {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-yellow);
}

/* --- Stili per Achievements --- */
.achievements-scroller-container {
  overflow-x: auto;
  white-space: nowrap;
  margin-bottom: 25px;
  -webkit-overflow-scrolling: touch; /* Per scorrimento fluido su iOS */
  background: rgba(0,0,0,0.05);
  border-radius: 8px;
  padding: 5px 0;
}
body.dark-mode .achievements-scroller-container {
  background: rgba(0,0,0,0.2);
}

.achievements-grid {
  display: inline-flex; /* Permette lo scorrimento orizzontale */
  gap: 15px;
  padding: 10px;
}

.achievement-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 15px;
  width: 160px;
  height: 180px; 
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  white-space: normal; /* Permette al testo di andare a capo */
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  vertical-align: top;
}

.achievement-card.locked {
  opacity: 0.6;
}

.achievement-icon {
  font-size: 3rem;
  margin-bottom: 10px;
}

.achievement-title {
  font-weight: bold;
  font-size: 1rem;
}

.achievement-desc {
  font-size: 0.85rem;
  flex-grow: 1;
  margin: 10px 0;
}

.achievement-percent {
  font-size: 0.8rem;
  color: var(--primary-blue);
  font-weight: bold;
}

/* --- Stili per Pulsante Shiny Modal --- */
.shiny-toggle-btn {
  position: absolute;
  top: 10px;
  left: 15px;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
  padding: 5px;
}

.shiny-toggle-btn:not(.unlocked) {
  cursor: default;
  color: #888;
}

.shiny-toggle-btn.unlocked:hover {
  opacity: 1;
  transform: scale(1.1);
}

.shiny-toggle-btn.unlocked.active {
  opacity: 1;
  filter: drop-shadow(0 0 5px var(--primary-yellow));
}

/* --- Stili per Modal Sblocco "Sort" --- */
.sort-unlock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
  margin: 20px 0;
  max-height: 300px;
  overflow-y: auto;
}

.sort-unlock-item {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s;
}

.sort-unlock-item img {
  width: 60px;
  height: 60px;
  image-rendering: pixelated;
  display: block;
  margin: 0 auto 5px auto;
}

.sort-unlock-item.selected {
  background-color: rgba(59, 76, 202, 0.3); /* Colore primario con opacità */
  border-color: var(--primary-blue);
}

.sort-unlock-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: rgba(100, 100, 100, 0.1);
}

#confirmSortUnlock:disabled {
  background-color: #888;
  cursor: not-allowed;
}

#checkSortButton {
  padding: 12px 25px;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  background-color: var(--primary-blue);
  color: white;
}

/* --- Stili per Tab Classifica --- */
.leaderboard-controls {
  max-width: 500px;
  margin: 0 auto 20px auto;
}
.tab-buttons-container {
  display: flex;
  justify-content: center;
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 5px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.tab-button {
  flex-grow: 1;
  padding: 12px 10px;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  background-color: transparent;
  color: var(--text-color);
  cursor: pointer;
  border-radius: 6px;
  transition: background-color 0.3s, color 0.3s;
}
.tab-button.active {
  background-color: var(--primary-blue);
  color: white;
}
.tab-button:not(.active):hover {
  background-color: rgba(0,0,0,0.05);
}

    /* --- Cookie Banner --- */
    #cookieConsentBanner {
      display: none; /* Nascosto di default */
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: var(--card-bg);
      box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
      padding: 15px;
      box-sizing: border-box;
      z-index: 2000;
      text-align: center;
      border-top: 1px solid var(--border-color);
    }
    #cookieConsentBanner p {
      margin: 0 0 10px 0;
      display: inline-block;
      vertical-align: middle;
      margin-right: 15px;
    }
    #cookieConsentBanner button {
      padding: 8px 15px;
      background-color: var(--primary-blue);
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      vertical-align: middle;
    }
    
    @media (max-width: 480px) {
      #mainMenu h1 { font-size: 2.5rem; }
      .menu-options button { width: 80%; }
      .container { flex-direction: column; gap: 10px; }
      #gameOverPopup .popup-content { width: 90%; }
      #cookieConsentBanner p {
        display: block;
        margin-bottom: 10px;
        margin-right: 0;
      }

    }
    /* Toggle switch per impostazioni on/off */
    .toggle-switch {
      position: relative;
      display: inline-block;
      width: 50px;
      height: 26px;
      flex-shrink: 0;
    }
    .toggle-switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }
    .toggle-slider {
      position: absolute;
      cursor: pointer;
      top: 0; left: 0; right: 0; bottom: 0;
      background-color: var(--border-color);
      border-radius: 26px;
      transition: 0.3s;
    }
    .toggle-slider:before {
      position: absolute;
      content: "";
      height: 20px;
      width: 20px;
      left: 3px;
      bottom: 3px;
      background-color: white;
      border-radius: 50%;
      transition: 0.3s;
    }
    .toggle-switch input:checked + .toggle-slider {
      background-color: var(--primary-blue);
    }
    .toggle-switch input:checked + .toggle-slider:before {
      transform: translateX(24px);
    }
    .settings-group label.toggle-switch {
      margin-left: auto;
    }