feat: enhance UI with screen lock, timer improvements and better styles

- Implement screen lock for iOS/Android (Wake Lock API + video workaround) - Fix curtain reveal animation to prevent visual confusion - Add audio alarm when timer ends for game and deliberation phases - Improve overall UI/UX with scroll enhancements and mobile optimizations
2026-01-14 04:04:12 +01:00
parent 3b39080cca
commit 49e981a4b5
3 changed files with 2038 additions and 448 deletions
--- a/index.html
+++ b/index.html
@@ -4,11 +4,18 @@
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <title>Juego del Impostor</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Crimson+Text:wght@600;700&family=Courier+Prime:wght@400;700&family=JetBrains+Mono:wght@400;700;800&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="styles.css">
    <link rel="icon" type="image/png" href="logo.png">
    <script defer src="https://analytics.dariosevilla.es/script.js" data-website-id="0520a008-d309-477f-9742-b4a674ac42eb"></script>
 </head>
 <body>
+    <!-- Cinematic overlays -->
+    <div class="vignette-overlay"></div>
+    <div class="vhs-line"></div>
+
    <button id="theme-toggle" class="theme-toggle" aria-label="Cambiar tema">
        <span class="theme-icon">🌙</span>
    </button>
@@ -18,6 +25,10 @@
        <span class="language-text">EN</span>
    </button>

+    <button id="screen-lock-toggle" class="screen-lock-toggle" aria-label="Screen lock" title="Bloqueo de pantalla">
+        <span class="screen-lock-icon">🔓</span>
+    </button>
+
    <button id="exit-game" class="exit-game" onclick="confirmExitGame()">
        <span class="exit-icon">🚪</span>
        <span class="exit-text" data-i18n="exitGame">Salir de la partida</span>
@@ -28,53 +39,55 @@
        <div id="welcome-screen" class="screen active">
            <div class="welcome-content">
                <img src="logo.png" alt="Logo" class="welcome-logo">
-                <h1 class="welcome-title">🎭 Juego del Impostor</h1>
+                <h1 class="welcome-title">Juego del Impostor</h1>
                <p class="welcome-subtitle">¿Podrás descubrir quién es el impostor?</p>
                <div class="welcome-buttons">
-                    <button onclick="showScreen('setup-screen')" class="btn-primary">▶️ Jugar</button>
-                    <button onclick="showScreen('rules-screen')" class="btn-secondary">📖 Reglas</button>
+                    <button onclick="showScreen('setup-screen')" class="btn-primary">Jugar</button>
+                    <button onclick="showScreen('rules-screen')" class="btn-secondary">Reglas</button>
                </div>
                <p class="welcome-credits">Creado por Darío Sevilla</p>
            </div>
        </div>

-        <!-- Rules screen -->
+        <!-- Rules screen 1 -->
        <div id="rules-screen" class="screen">
-            <h1>📖 Reglas del Juego</h1>
-            <div class="rules-content">
-                <div class="rule-section">
-                    <h3>🎯 Objetivo</h3>
-                    <p>Los <strong>civiles</strong> deben identificar a los <strong>impostores</strong> antes de que termine el tiempo.</p>
-                </div>
-
-                <div class="rule-section">
-                    <h3>🎲 Preparación</h3>
-                    <p>1. Cada jugador recibe una palabra secreta</p>
-                    <p>2. Los civiles reciben la misma palabra</p>
-                    <p>3. Los impostores reciben una palabra diferente pero relacionada</p>
-                </div>
-
-                <div class="rule-section">
-                    <h3>🗣️ Partida</h3>
-                    <p>1. Por turnos, cada jugador da un sinónimo o descripción de su palabra</p>
-                    <p>2. Intenta ser específico pero no revelar tu palabra exacta</p>
-                    <p>3. Los impostores deben intentar pasar desapercibidos</p>
-                </div>
-
-                <div class="rule-section">
-                    <h3>🗳️ Votación</h3>
-                    <p>1. Tras el tiempo de juego y deliberación, vota en secreto</p>
-                    <p>2. Los más votados son eliminados</p>
-                    <p>3. Si todos los impostores son eliminados, ganan los civiles</p>
-                    <p>4. Si queda algún impostor, ellos ganan</p>
-                </div>
+            <h1>Reglas del Juego</h1>
+            <div class="rule-section">
+                <h3>Objetivo</h3>
+                <p>Los <strong>civiles</strong> deben identificar a los <strong>impostores</strong> antes de que termine el tiempo.</p>
            </div>
-            <button onclick="showScreen('welcome-screen')">← Volver</button>
+            <div class="rule-section">
+                <h3>Preparación</h3>
+                <p>1. Cada jugador recibe una palabra secreta</p>
+                <p>2. Los civiles reciben la misma palabra</p>
+                <p>3. Los impostores reciben una palabra diferente</p>
+            </div>
+            <button onclick="showScreen('rules-screen-2')">Siguiente →</button>
+            <button class="ghost" onclick="showScreen('welcome-screen')">← Volver</button>
+        </div>
+
+        <!-- Rules screen 2 -->
+        <div id="rules-screen-2" class="screen">
+            <h1>Reglas del Juego</h1>
+            <div class="rule-section">
+                <h3>Partida</h3>
+                <p>1. Por turnos, da un sinónimo de tu palabra</p>
+                <p>2. Sé específico pero no reveles tu palabra</p>
+                <p>3. Los impostores deben pasar desapercibidos</p>
+            </div>
+            <div class="rule-section">
+                <h3>Votación</h3>
+                <p>1. Tras deliberar, vota en secreto</p>
+                <p>2. Los más votados son eliminados</p>
+                <p>3. Civiles ganan si eliminan a todos los impostores</p>
+            </div>
+            <button onclick="showScreen('welcome-screen')">Entendido ✓</button>
+            <button class="ghost" onclick="showScreen('rules-screen')">← Atrás</button>
        </div>

        <!-- Setup screen -->
        <div id="setup-screen" class="screen">
-            <h1>⚙️ Configuración</h1>
+            <h1>Configuración</h1>
            <div class="form-group compact">
                <label for="num-players">Jugadores:</label>
                <input type="number" id="num-players" min="3" max="10" value="6">
@@ -91,27 +104,32 @@
                <label for="deliberation-time">Deliberación (seg):</label>
                <input type="number" id="deliberation-time" min="30" max="300" step="10" value="170">
            </div>
-            <div class="form-group">
-                <label>Pools (toca para seleccionar):</label>
-                <div class="pool-buttons-wrapper">
-                    <div id="pool-buttons" class="pool-buttons"></div>
-                </div>
+            <button onclick="goToPools()">Siguiente</button>
+            <button class="ghost" onclick="showScreen('welcome-screen')">← Volver</button>
+        </div>
+
+        <!-- Pools selection screen -->
+        <div id="pools-screen" class="screen">
+            <h1>Selección de Pools</h1>
+            <p class="info-text">Toca para seleccionar las categorías de palabras que quieres usar en la partida.</p>
+            <div class="pool-buttons-wrapper">
+                <div id="pool-buttons" class="pool-buttons"></div>
            </div>
            <button onclick="goToNames()">Siguiente</button>
-            <button class="ghost" onclick="showScreen('welcome-screen')">← Volver</button>
+            <button class="ghost" onclick="showScreen('setup-screen')">← Volver</button>
        </div>

        <!-- Player names screen -->
        <div id="names-screen" class="screen">
-            <h1>👥 Nombres de jugadores</h1>
+            <h1>Nombres de jugadores</h1>
            <div class="player-names-list" id="player-names-list"></div>
            <button onclick="startGame()">Comenzar partida</button>
-            <button class="ghost" onclick="showScreen('setup-screen')">← Volver</button>
+            <button class="ghost" onclick="showScreen('pools-screen')">← Volver</button>
        </div>

        <!-- Pre-reveal screen -->
        <div id="pre-reveal-screen" class="screen">
-            <h1>🎲 Listo para revelar</h1>
+            <h1>Listo para revelar</h1>
            <div class="info-text" id="config-summary"></div>
            <p class="info-text">Cada jugador debe ver su rol en secreto. Desliza la cortina hacia arriba para revelar.</p>
            <button onclick="showScreen('reveal-screen'); loadCurrentReveal();">Empezar revelación</button>
@@ -120,11 +138,11 @@

        <!-- Revelation screen -->
        <div id="reveal-screen" class="screen">
-            <h1>🔍 Revelación</h1>
+            <h1>Revelación</h1>
            <p class="info-text">Turno de: <strong><span id="current-player-name">Jugador 1</span></strong><br><small>Los demás, no miréis. Mantén levantada la cortina para ver tu rol.</small></p>
            <div class="curtain" id="curtain">
                <div class="curtain-cover" id="curtain-cover">
-                    <div class="curtain-icon">⬆️</div>
+                    <div class="curtain-icon">▲</div>
                    <div>LEVANTA LA CORTINA</div>
                </div>
                <div class="curtain-content">
@@ -138,7 +156,7 @@

        <!-- Game screen -->
        <div id="game-screen" class="screen">
-            <h1>🎮 Partida en curso</h1>
+            <h1>Partida en curso</h1>
            <p class="info-text">A decir sinónimos!</p>
            <div class="timer" id="game-timer">3:00</div>
            <button class="secondary" onclick="skipToDeliberation()">Saltar a deliberación →</button>
@@ -146,7 +164,7 @@

        <!-- Deliberation screen -->
        <div id="deliberation-screen" class="screen">
-            <h1>🗣️ Deliberación</h1>
+            <h1>Deliberación</h1>
            <p class="info-text">Últimos argumentos antes de votar.</p>
            <div class="timer" id="deliberation-timer">1:00</div>
            <button class="secondary" onclick="skipToVoting()">Ir a votación →</button>
@@ -154,7 +172,7 @@

        <!-- Voting screen -->
        <div id="voting-screen" class="screen">
-            <h1>🗳️ Votación secreta</h1>
+            <h1>Votación secreta</h1>
            <p class="info-text">Pasa el móvil a <strong id="voter-name">Jugador</strong>. Elige <span id="votes-needed">1</span> sospechoso(s).</p>
            <div class="player-list" id="vote-list"></div>
            <button id="confirm-vote-btn" disabled onclick="confirmCurrentVote()">Confirmar voto</button>
@@ -162,7 +180,7 @@

        <!-- Results screen -->
        <div id="results-screen" class="screen">
-            <h1>🏆 Resultados</h1>
+            <h1>Resultados</h1>
            <div class="results" id="results-content"></div>
            <button onclick="newMatch()">Nueva partida</button>
        </div>
--- a/script.js
+++ b/script.js
@@ -5,6 +5,7 @@ const POOLS_CACHE_KEY = 'impostorWordPoolsV1';
 const POOLS_MANIFEST_URL = 'word-pools/manifest.json';
 const THEME_STORAGE_KEY = 'impostorGameTheme';
 const LANGUAGE_STORAGE_KEY = 'impostorGameLanguage';
+const SCREEN_LOCK_STORAGE_KEY = 'impostorGameScreenLock';

 // ---------- Internationalization system ----------
 const TRANSLATIONS = {
@@ -74,7 +75,9 @@ const TRANSLATIONS = {
    impostorsMustBeLess: 'Impostores debe ser menor que jugadores',
    animalsNature: 'Animales y Naturaleza',
    everydayObjects: 'Objetos Cotidianos',
-    exitGame: 'Salir de la partida'
+    exitGame: 'Salir de la partida',
+    poolsSelection: 'Selección de Pools',
+    poolsSelectionText: 'Toca para seleccionar las categorías de palabras que quieres usar en la partida.'
  },
  en: {
    gameTitle: 'The Impostor Game',
@@ -142,7 +145,9 @@ const TRANSLATIONS = {
    impostorsMustBeLess: 'Impostors must be less than players',
    animalsNature: 'Animals and Nature',
    everydayObjects: 'Everyday Objects',
-    exitGame: 'Exit Game'
+    exitGame: 'Exit Game',
+    poolsSelection: 'Pool Selection',
+    poolsSelectionText: 'Tap to select the word categories you want to use in the game.'
  }
 };

@@ -206,42 +211,42 @@ async function updateUI() {
 function updateStaticTexts() {
  // Welcome screen
  const welcomeTitle = document.querySelector('.welcome-title');
-  if (welcomeTitle) welcomeTitle.innerHTML = `🎭 ${t('gameTitle')}`;
+  if (welcomeTitle) welcomeTitle.textContent = t('gameTitle');

  const welcomeSubtitle = document.querySelector('.welcome-subtitle');
  if (welcomeSubtitle) welcomeSubtitle.textContent = t('gameSubtitle');

  const playBtn = document.querySelector('.btn-primary');
-  if (playBtn) playBtn.innerHTML = `▶️ ${t('play')}`;
+  if (playBtn) playBtn.textContent = t('play');

  const rulesBtn = document.querySelector('.btn-secondary');
-  if (rulesBtn) rulesBtn.innerHTML = `📖 ${t('rules')}`;
+  if (rulesBtn) rulesBtn.textContent = t('rules');

  const credits = document.querySelector('.welcome-credits');
  if (credits) credits.textContent = t('createdBy');

  // Rules screen
  const rulesTitle = document.querySelector('#rules-screen h1');
-  if (rulesTitle) rulesTitle.innerHTML = `📖 ${t('rulesTitle')}`;
+  if (rulesTitle) rulesTitle.textContent = t('rulesTitle');

  const ruleSections = document.querySelectorAll('.rule-section');
  if (ruleSections.length >= 4) {
-    ruleSections[0].querySelector('h3').innerHTML = `🎯 ${t('objective')}`;
+    ruleSections[0].querySelector('h3').textContent = t('objective');
    ruleSections[0].querySelector('p').innerHTML = t('objectiveText');

-    ruleSections[1].querySelector('h3').innerHTML = `🎲 ${t('preparation')}`;
+    ruleSections[1].querySelector('h3').textContent = t('preparation');
    const prepSteps = t('preparationSteps');
    ruleSections[1].querySelectorAll('p').forEach((p, i) => {
      if (prepSteps[i]) p.textContent = `${i + 1}. ${prepSteps[i]}`;
    });

-    ruleSections[2].querySelector('h3').innerHTML = `🗣️ ${t('gameplay')}`;
+    ruleSections[2].querySelector('h3').textContent = t('gameplay');
    const gameSteps = t('gameplaySteps');
    ruleSections[2].querySelectorAll('p').forEach((p, i) => {
      if (gameSteps[i]) p.textContent = `${i + 1}. ${gameSteps[i]}`;
    });

-    ruleSections[3].querySelector('h3').innerHTML = `🗳️ ${t('voting')}`;
+    ruleSections[3].querySelector('h3').textContent = t('voting');
    const voteSteps = t('votingSteps');
    ruleSections[3].querySelectorAll('p').forEach((p, i) => {
      if (voteSteps[i]) p.textContent = `${i + 1}. ${voteSteps[i]}`;
@@ -250,7 +255,7 @@ function updateStaticTexts() {

  // Setup screen
  const setupTitle = document.querySelector('#setup-screen h1');
-  if (setupTitle) setupTitle.innerHTML = `⚙️ ${t('configuration')}`;
+  if (setupTitle) setupTitle.textContent = t('configuration');

  const labels = {
    'num-players': t('players'),
@@ -264,45 +269,49 @@ function updateStaticTexts() {
    if (label) label.textContent = text + ':';
  });

-  const poolsLabel = document.querySelector('#setup-screen .form-group:last-of-type label');
-  if (poolsLabel) poolsLabel.textContent = t('pools') + ':';
+  // Pools screen
+  const poolsTitle = document.querySelector('#pools-screen h1');
+  if (poolsTitle) poolsTitle.textContent = t('poolsSelection');
+
+  const poolsText = document.querySelector('#pools-screen .info-text');
+  if (poolsText) poolsText.textContent = t('poolsSelectionText');

  // Names screen
  const namesTitle = document.querySelector('#names-screen h1');
-  if (namesTitle) namesTitle.innerHTML = `👥 ${t('playerNames')}`;
+  if (namesTitle) namesTitle.textContent = t('playerNames');

  // Pre-reveal screen
  const preRevealTitle = document.querySelector('#pre-reveal-screen h1');
-  if (preRevealTitle) preRevealTitle.innerHTML = `🎲 ${t('readyToReveal')}`;
+  if (preRevealTitle) preRevealTitle.textContent = t('readyToReveal');

  const preRevealText = document.querySelector('#pre-reveal-screen .info-text:not(#config-summary)');
  if (preRevealText) preRevealText.textContent = t('eachPlayerSecret');

  // Reveal screen
  const revealTitle = document.querySelector('#reveal-screen h1');
-  if (revealTitle) revealTitle.innerHTML = `🔍 ${t('revelation')}`;
+  if (revealTitle) revealTitle.textContent = t('revelation');

  // Game screen
  const gameTitle = document.querySelector('#game-screen h1');
-  if (gameTitle) gameTitle.innerHTML = `🎮 ${t('gameInProgress')}`;
+  if (gameTitle) gameTitle.textContent = t('gameInProgress');

  const gameText = document.querySelector('#game-screen .info-text');
  if (gameText) gameText.textContent = t('giveSynonyms');

  // Deliberation screen
  const delibTitle = document.querySelector('#deliberation-screen h1');
-  if (delibTitle) delibTitle.innerHTML = `🗣️ ${t('deliberation')}`;
+  if (delibTitle) delibTitle.textContent = t('deliberation');

  const delibText = document.querySelector('#deliberation-screen .info-text');
  if (delibText) delibText.textContent = t('lastArguments');

  // Voting screen
  const votingTitle = document.querySelector('#voting-screen h1');
-  if (votingTitle) votingTitle.innerHTML = `🗳️ ${t('secretVoting')}`;
+  if (votingTitle) votingTitle.textContent = t('secretVoting');

  // Results screen
  const resultsTitle = document.querySelector('#results-screen h1');
-  if (resultsTitle) resultsTitle.innerHTML = `🏆 ${t('results')}`;
+  if (resultsTitle) resultsTitle.textContent = t('results');

  // Buttons
  const backButtons = document.querySelectorAll('button.ghost');
@@ -314,7 +323,8 @@ function updateStaticTexts() {

  // Update all other buttons based on their onclick or content
  document.querySelectorAll('button').forEach(btn => {
-    if (btn.getAttribute('onclick') === 'goToNames()') btn.textContent = t('next');
+    if (btn.getAttribute('onclick') === 'goToPools()') btn.textContent = t('next');
+    else if (btn.getAttribute('onclick') === 'goToNames()') btn.textContent = t('next');
    else if (btn.getAttribute('onclick') === 'startGame()') btn.textContent = t('startGame');
    else if (btn.getAttribute('onclick') === "showScreen('reveal-screen'); loadCurrentReveal();") btn.textContent = t('startReveal');
    else if (btn.id === 'next-player-btn') btn.textContent = t('nextPlayer') + ' →';
@@ -561,7 +571,7 @@ function renderPoolButtons() {
 }

 // ---------- Setup and player names ----------
-function goToNames() {
+function goToPools() {
  let nPlayers = parseInt(document.getElementById('num-players').value) || MIN_PLAYERS;
  nPlayers = Math.min(Math.max(nPlayers, MIN_PLAYERS), MAX_PLAYERS);
  const maxImpostors = Math.max(1, Math.floor(nPlayers / 2));
@@ -572,7 +582,14 @@ function goToNames() {
  let dTime = parseInt(document.getElementById('deliberation-time').value) || defaultDeliberation(gTime);
  dTime = Math.min(Math.max(dTime, 30), Math.round(900 / 3));
  if (nImpostors >= nPlayers) { alert(t('impostorsMustBeLess')); return; }
-  state.numPlayers = nPlayers; state.numImpostors = nImpostors; state.gameTime = gTime; state.deliberationTime = dTime;
+  state.numPlayers = nPlayers;
+  state.numImpostors = nImpostors;
+  state.gameTime = gTime;
+  state.deliberationTime = dTime;
+  showScreen('pools-screen');
+}
+
+function goToNames() {
  buildNameInputs();
  showScreen('names-screen');
 }
@@ -662,6 +679,10 @@ function renderSummary() {
 // ---------- Role revelation ----------
 function loadCurrentReveal() {
  state.phase = 'reveal'; saveState();
+
+  // Activar Wake Lock para mantener pantalla encendida durante el juego
+  requestWakeLock();
+
  if (!state.revealOrder || state.revealOrder.length !== state.numPlayers) {
    const step = state.turnDirection === 'horario' ? 1 : -1;
    state.revealOrder = Array.from({length: state.numPlayers}, (_, k) => (state.startPlayer + step * k + state.numPlayers) % state.numPlayers);
@@ -716,13 +737,17 @@ function nextReveal() { state.currentReveal++; saveState(); loadCurrentReveal();

 // Curtain system with GRAVITY - The curtain always tends to fall
 // Supports both touch (mobile) and mouse (desktop)
+// On desktop: curtain stays up while mouse button is held, even if cursor leaves the area
 let curtainState = { isRevealed: false };
+let curtainDragState = {
+  startY: null,
+  isDragging: false,
+  currentTranslateY: 0
+};

-(() => {
+function initCurtainHandlers() {
  const curtain = document.getElementById('curtain');
-  const cover = document.getElementById('curtain-cover');
-  let startY = null;
-  let isDragging = false;
+  if (!curtain) return;

  // Function to get Y position from event (touch or mouse)
  const getY = (e) => {
@@ -731,9 +756,9 @@ let curtainState = { isRevealed: false };

  // Start function (touch and mouse)
  const handleStart = (e) => {
-    const coverEl = document.getElementById('curtain-cover');
-    startY = getY(e);
-    isDragging = true;
+    curtainDragState.startY = getY(e);
+    curtainDragState.isDragging = true;
+    curtainDragState.currentTranslateY = 0;
    if (e.type === 'mousedown') {
      e.preventDefault(); // Prevent text selection on desktop
    }
@@ -741,21 +766,22 @@ let curtainState = { isRevealed: false };

  // Move function (touch and mouse)
  const handleMove = (e) => {
-    if (startY === null || !isDragging) return;
+    if (curtainDragState.startY === null || !curtainDragState.isDragging) return;
    const currentY = getY(e);
-    const dy = currentY - startY;
+    const dy = currentY - curtainDragState.startY;
    const coverEl = document.getElementById('curtain-cover');
+    if (!coverEl) return;

    // Calculate displacement: negative = up, positive = down
-    // Limit upward movement (not beyond curtain height)
-    // and don't allow going below initial position (0)
-    const translateY = Math.max(Math.min(dy, 0), -cover.offsetHeight);
+    // Allow going further up than the curtain height (user can keep dragging up)
+    // but don't allow going below initial position (0)
+    curtainDragState.currentTranslateY = Math.min(dy, 0);

-    coverEl.style.transform = `translateY(${translateY}px)`;
+    coverEl.style.transform = `translateY(${curtainDragState.currentTranslateY}px)`;
    coverEl.style.transition = 'none';

    // If lifted enough, show content
-    if (translateY < -80 && !curtainState.isRevealed) {
+    if (curtainDragState.currentTranslateY < -80 && !curtainState.isRevealed) {
      curtainState.isRevealed = true;
      const idx = state.revealOrder[state.currentReveal];
      const role = state.roles[idx];
@@ -766,15 +792,14 @@ let curtainState = { isRevealed: false };
      document.getElementById('word-text').textContent = word;
    }

-    if (e.type === 'mousemove') {
-      e.preventDefault(); // Prevent selection on desktop
-    }
+    e.preventDefault(); // Prevent selection
  };

  // End function (touch and mouse)
  const handleEnd = (e) => {
-    if (!isDragging || startY === null) return;
+    if (!curtainDragState.isDragging || curtainDragState.startY === null) return;
    const coverEl = document.getElementById('curtain-cover');
+    if (!coverEl) return;

    // ALWAYS bring the curtain down when released (GRAVITY)
    coverEl.style.transition = 'transform 0.4s ease';
@@ -791,32 +816,126 @@ let curtainState = { isRevealed: false };
      }, 400);
    }

-    startY = null;
-    isDragging = false;
+    curtainDragState.startY = null;
+    curtainDragState.isDragging = false;
+    curtainDragState.currentTranslateY = 0;
  };

  // Touch events (mobile)
-  curtain.addEventListener('touchstart', handleStart, {passive:true});
-  curtain.addEventListener('touchmove', handleMove, {passive:true});
-  curtain.addEventListener('touchend', handleEnd, {passive:true});
-  curtain.addEventListener('touchcancel', handleEnd, {passive:true});
+  curtain.addEventListener('touchstart', handleStart, {passive: false});
+  curtain.addEventListener('touchmove', handleMove, {passive: false});
+  curtain.addEventListener('touchend', handleEnd, {passive: true});
+  curtain.addEventListener('touchcancel', handleEnd, {passive: true});

-  // Mouse events (desktop)
+  // Mouse events (desktop) - start on curtain only
  curtain.addEventListener('mousedown', handleStart);
-  curtain.addEventListener('mousemove', handleMove);
-  curtain.addEventListener('mouseup', handleEnd);
-  curtain.addEventListener('mouseleave', (e) => {
-    // If mouse leaves area while dragging, release (gravity)
-    if (isDragging) {
-      handleEnd(e);
+
+  // Mouse move and up events on WINDOW so we can track even when cursor leaves everything
+  window.addEventListener('mousemove', handleMove);
+  window.addEventListener('mouseup', handleEnd);
+}
+
+// Initialize curtain handlers when DOM is ready
+if (document.readyState === 'loading') {
+  document.addEventListener('DOMContentLoaded', initCurtainHandlers);
+} else {
+  initCurtainHandlers();
+}
+
+// ---------- Screen Wake Lock (prevent screen from sleeping during timers) ----------
+let wakeLock = null;
+let wakeLockVideo = null; // For iOS workaround
+
+// Detect if device is iOS
+function isIOS() {
+  return /iPad|iPhone|iPod/.test(navigator.userAgent) ||
+         (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1);
+}
+
+// Check if screen lock is enabled in settings
+function isScreenLockEnabled() {
+  const saved = localStorage.getItem(SCREEN_LOCK_STORAGE_KEY);
+  return saved === null ? true : saved === 'true'; // Default enabled
+}
+
+// Save screen lock preference
+function setScreenLockEnabled(enabled) {
+  localStorage.setItem(SCREEN_LOCK_STORAGE_KEY, enabled.toString());
+  updateScreenLockButton();
+}
+
+async function requestWakeLock() {
+  if (!isScreenLockEnabled()) return;
+
+  // Try native Wake Lock API first (works on Android Chrome, etc.)
+  if ('wakeLock' in navigator) {
+    try {
+      wakeLock = await navigator.wakeLock.request('screen');
+      wakeLock.addEventListener('release', () => {
+        wakeLock = null;
+      });
+      console.log('Wake Lock activated (native API)');
+      return;
+    } catch (err) {
+      console.log('Wake lock request failed:', err);
    }
-  });
-})();
+  }
+
+  // Fallback for iOS - use hidden video loop
+  if (isIOS() && !wakeLockVideo) {
+    try {
+      wakeLockVideo = document.createElement('video');
+      wakeLockVideo.setAttribute('playsinline', '');
+      wakeLockVideo.setAttribute('muted', '');
+      wakeLockVideo.style.position = 'fixed';
+      wakeLockVideo.style.opacity = '0';
+      wakeLockVideo.style.pointerEvents = 'none';
+      wakeLockVideo.style.width = '1px';
+      wakeLockVideo.style.height = '1px';
+
+      // Minimal base64 encoded video (1 frame, silent)
+      wakeLockVideo.src = 'data:video/mp4;base64,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';
+      wakeLockVideo.loop = true;
+
+      document.body.appendChild(wakeLockVideo);
+      await wakeLockVideo.play();
+      console.log('Wake Lock activated (iOS video workaround)');
+    } catch (err) {
+      console.log('iOS wake lock workaround failed:', err);
+    }
+  }
+}
+
+function releaseWakeLock() {
+  // Release native Wake Lock
+  if (wakeLock) {
+    wakeLock.release();
+    wakeLock = null;
+  }
+
+  // Stop iOS video workaround
+  if (wakeLockVideo) {
+    wakeLockVideo.pause();
+    wakeLockVideo.remove();
+    wakeLockVideo = null;
+  }
+}
+
+// Re-request wake lock when page becomes visible again
+document.addEventListener('visibilitychange', async () => {
+  if (document.visibilityState === 'visible' && (wakeLock !== null || wakeLockVideo !== null)) {
+    await requestWakeLock();
+  }
+});

 // ---------- Timers ----------
 let timerInterval = null;
-function startPhaseTimer(phase, seconds, elementId, onEnd) {
+async function startPhaseTimer(phase, seconds, elementId, onEnd) {
  if (timerInterval) clearInterval(timerInterval);
+
+  // Request wake lock to keep screen on during timer
+  await requestWakeLock();
+
  const now = Date.now();
  state.timerPhase = phase;
  state.timerEndAt = now + seconds*1000;
@@ -825,7 +944,12 @@ function startPhaseTimer(phase, seconds, elementId, onEnd) {
  const tick = () => {
    const remaining = Math.max(0, Math.round((state.timerEndAt - Date.now())/1000));
    updateTimerDisplay(el, remaining);
-    if (remaining <= 0) { clearInterval(timerInterval); playBeep(); onEnd(); }
+    if (remaining <= 0) {
+      clearInterval(timerInterval);
+      releaseWakeLock(); // Release wake lock when timer ends
+      playBeep();
+      onEnd();
+    }
  };
  tick();
  timerInterval = setInterval(tick, 1000);
@@ -847,17 +971,48 @@ function updateTimerDisplay(el, remaining) {
 }

 function playBeep() {
+  // Play alarm sound - 3 ascending beeps pattern repeated twice
  const ctx = new (window.AudioContext || window.webkitAudioContext)();
-  const osc = ctx.createOscillator(); const gain = ctx.createGain();
-  osc.connect(gain); gain.connect(ctx.destination); osc.frequency.value = 820; osc.type = 'sine';
-  gain.gain.setValueAtTime(0.3, ctx.currentTime); gain.gain.exponentialRampToValueAtTime(0.01, ctx.currentTime + 0.45);
-  osc.start(); osc.stop(ctx.currentTime + 0.45);
+  const now = ctx.currentTime;
+
+  // Frequencies for alarm pattern (ascending)
+  const frequencies = [523, 659, 784]; // C5, E5, G5
+  const beepDuration = 0.15;
+  const gapDuration = 0.08;
+  const patternGap = 0.3;
+
+  let time = now;
+
+  // Play pattern twice
+  for (let pattern = 0; pattern < 2; pattern++) {
+    for (let i = 0; i < frequencies.length; i++) {
+      const osc = ctx.createOscillator();
+      const gain = ctx.createGain();
+
+      osc.connect(gain);
+      gain.connect(ctx.destination);
+      osc.frequency.value = frequencies[i];
+      osc.type = 'square'; // More alarm-like sound
+
+      gain.gain.setValueAtTime(0, time);
+      gain.gain.linearRampToValueAtTime(0.25, time + 0.02);
+      gain.gain.setValueAtTime(0.25, time + beepDuration - 0.02);
+      gain.gain.linearRampToValueAtTime(0, time + beepDuration);
+
+      osc.start(time);
+      osc.stop(time + beepDuration);
+
+      time += beepDuration + gapDuration;
+    }
+    time += patternGap;
+  }
 }

 // ---------- Game phases ----------
 function startGamePhase() { state.phase = 'game'; saveState(); showScreen('game-screen'); startPhaseTimer('game', state.gameTime, 'game-timer', startDeliberationPhase); }
 function startDeliberationPhase() { state.phase = 'deliberation'; saveState(); showScreen('deliberation-screen'); startPhaseTimer('deliberation', state.deliberationTime, 'deliberation-timer', startVotingPhase); }
 function startVotingPhase(candidates = null, isTiebreak = false) {
+  releaseWakeLock(); // Release wake lock when voting starts (no timer)
  state.phase = 'voting';
  state.votingPlayer = 0;
  state.votes = {};
@@ -868,8 +1023,8 @@ function startVotingPhase(candidates = null, isTiebreak = false) {
  renderVoting();
  showScreen('voting-screen');
 }
-function skipToDeliberation() { if (timerInterval) clearInterval(timerInterval); startDeliberationPhase(); }
-function skipToVoting() { if (timerInterval) clearInterval(timerInterval); startVotingPhase(); }
+function skipToDeliberation() { if (timerInterval) clearInterval(timerInterval); releaseWakeLock(); startDeliberationPhase(); }
+function skipToVoting() { if (timerInterval) clearInterval(timerInterval); releaseWakeLock(); startVotingPhase(); }
 function startTiebreakDeliberation(candidates) {
  state.phase = 'deliberation';
  state.tiebreakCandidates = candidates;
@@ -896,16 +1051,22 @@ function renderVoting() {
  pool.forEach(i => {
     const item = document.createElement('div');
     item.className = 'player-item';
+
+     // Marcar como disabled ANTES de añadir al DOM para que la animación correcta se aplique
+     if (i === state.votingPlayer) {
+       item.classList.add('disabled');
+       // NO aplicar opacity inline - dejamos que CSS lo maneje con la animación
+       item.style.pointerEvents = 'none';
+     }
+
     item.textContent = state.playerNames[i];
     if (state.votes[i]) item.innerHTML += `<span class="vote-count">${t('votes')}: ${state.votes[i]}</span>`;
     if (state.selections.includes(i)) item.classList.add('selected');
-     if (i === state.votingPlayer) {
-       item.classList.add('disabled');
-       item.style.opacity = '0.5';
-       item.style.pointerEvents = 'none';
-    } else {
-      item.onclick = () => toggleSelection(i, item);
-    }
+
+     if (i !== state.votingPlayer) {
+       item.onclick = () => toggleSelection(i, item);
+     }
+
    list.appendChild(item);
  });
  updateConfirmButton();
@@ -973,6 +1134,10 @@ function handleVoteOutcome() {
 // ---------- Results ----------
 function showResults(isTiebreak = false) {
  state.phase = 'results'; saveState();
+
+  // Liberar Wake Lock cuando termina la partida
+  releaseWakeLock();
+
  const executed = state.executed || [];
  let impostorsAlive = 0;
  state.roles.forEach((r,i) => { if (r === 'IMPOSTOR' && !executed.includes(i)) impostorsAlive++; });
@@ -1005,6 +1170,8 @@ function showScreen(id) {

 function newMatch() {
  clearState();
+  releaseWakeLock(); // Make sure wake lock is released when exiting game
+  if (timerInterval) clearInterval(timerInterval);
  state = { ...state, phase:'welcome', timerEndAt:null, timerPhase:null, votingPool:null, isTiebreak:false, tiebreakCandidates:[] };
  saveState();
  showScreen('welcome-screen');
@@ -1023,14 +1190,20 @@ function confirmExitGame() {
 function updateExitButtonVisibility() {
  const exitBtn = document.getElementById('exit-game');
  const langBtn = document.getElementById('language-toggle');
+  const screenLockBtn = document.getElementById('screen-lock-toggle');

-  // Show exit button and hide language toggle in all phases except welcome and setup
+  // Show exit button and hide language/screen-lock toggles in all phases except welcome and setup
  if (state.phase !== 'welcome' && state.phase !== 'setup') {
    exitBtn.classList.add('visible');
    if (langBtn) langBtn.style.display = 'none';
+    if (screenLockBtn) screenLockBtn.classList.remove('visible');
  } else {
    exitBtn.classList.remove('visible');
    if (langBtn) langBtn.style.display = 'inline-flex';
+    // Only show screen lock button on iOS
+    if (screenLockBtn && isIOS()) {
+      screenLockBtn.classList.add('visible');
+    }
  }
 }

@@ -1067,6 +1240,35 @@ function toggleTheme() {
 const initialTheme = loadTheme();
 applyTheme(initialTheme);

+// ---------- Screen Lock Button ----------
+function updateScreenLockButton() {
+  const btn = document.getElementById('screen-lock-toggle');
+  if (!btn) return;
+
+  const enabled = isScreenLockEnabled();
+  const icon = btn.querySelector('.screen-lock-icon');
+
+  if (enabled) {
+    btn.classList.add('active');
+    btn.setAttribute('title', 'Bloqueo de pantalla activado');
+    if (icon) icon.textContent = '🔒';
+  } else {
+    btn.classList.remove('active');
+    btn.setAttribute('title', 'Bloqueo de pantalla desactivado');
+    if (icon) icon.textContent = '🔓';
+  }
+}
+
+function toggleScreenLock() {
+  const currentState = isScreenLockEnabled();
+  setScreenLockEnabled(!currentState);
+
+  // If disabling, release any active wake lock
+  if (currentState) {
+    releaseWakeLock();
+  }
+}
+
 // Event listener for theme and language buttons
 document.addEventListener('DOMContentLoaded', () => {
  const themeToggle = document.getElementById('theme-toggle');
@@ -1079,6 +1281,12 @@ document.addEventListener('DOMContentLoaded', () => {
    languageToggle.addEventListener('click', toggleLanguage);
  }

+  const screenLockToggle = document.getElementById('screen-lock-toggle');
+  if (screenLockToggle) {
+    screenLockToggle.addEventListener('click', toggleScreenLock);
+    updateScreenLockButton();
+  }
+
  // Initialize language
  currentLanguage = loadLanguage();
  setLanguage(currentLanguage);
@@ -1133,4 +1341,7 @@ document.addEventListener('DOMContentLoaded', () => {

  // Initialize exit button visibility
  updateExitButtonVisibility();
+
+  // Initialize screen lock button for iOS
+  initScreenLockButton();
 })();
--- a/styles.css
+++ b/styles.css