Implement Gamification (XP, 5 Ranks, 9 Badges) and Social Sharing (OpenGraph tags, Web Share API for exams & quiz)

www/rhetorik_trainer_quiz.html

@@ -16,6 +16,18 @@
 
   <title>RhetorikMaster - Stilmittel Trainer, Quiz & Klausur-Spickzettel</title>
   
+  <!-- Open Graph & Social Media Meta Tags -->
+  <meta property="og:type" content="website">
+  <meta property="og:url" content="https://rhetorikmaster.pansi.eu/">
+  <meta property="og:title" content="RhetorikMaster - Stilmittel Trainer, Quiz & Klausur-Spickzettel">
+  <meta property="og:description" content="Interaktiver Trainer für 23 rhetorische Stilmittel der Textanalyse mit Karteikarten, Klausursimulation, 230 Beispielen und Notenschlüssel.">
+  <meta property="og:image" content="https://rhetorikmaster.pansi.eu/icon-512.png">
+  <meta property="og:locale" content="de_DE">
+  <meta name="twitter:card" content="summary">
+  <meta name="twitter:title" content="RhetorikMaster - Stilmittel Trainer & Klausur-Spickzettel">
+  <meta name="twitter:description" content="23 rhetorische Stilmittel sicher erkennen & anwenden mit interaktivem Quiz und Prüfungssimulation.">
+  <meta name="twitter:image" content="https://rhetorikmaster.pansi.eu/icon-512.png">
+
   <!-- QR Code Library for offline mobile sync -->
   <script src="/qrcode.min.js"></script>
   
@@ -167,7 +179,20 @@
             <span>App installieren</span>
           </button>
 
-                    <!-- Sync & Export Button -->
+                    <!-- Achievements & Level Button -->
+          <button onclick="openAchievementsModal()" title="Erfolge, Rang & Trophäen ansehen" class="p-2 sm:px-3 sm:py-2 rounded-xl bg-amber-50 hover:bg-amber-100 text-amber-900 text-xs sm:text-sm font-bold border border-amber-200 transition flex items-center gap-1.5 shadow-sm">
+            <i class="fa-solid fa-trophy text-amber-500"></i>
+            <span class="hidden md:inline" id="userRankTitle">Novize</span>
+            <span class="px-1.5 py-0.5 rounded-full bg-amber-200/80 text-[10px] font-black text-amber-950" id="badgeCountPill">0/9</span>
+          </button>
+
+          <!-- Social Share Button -->
+          <button onclick="shareApp()" title="RhetorikMaster mit Freunden teilen" class="p-2 sm:px-3 sm:py-2 rounded-xl bg-slate-100 hover:bg-slate-200 text-slate-700 text-xs sm:text-sm font-bold border border-slate-200/80 transition flex items-center gap-1.5">
+            <i class="fa-solid fa-share-nodes text-indigo-600"></i>
+            <span class="hidden lg:inline">Teilen</span>
+          </button>
+
+          <!-- Sync & Export Button -->
           <button onclick="openSyncModal()" title="Lernstand synchronisieren & sichern (QR-Code / JSON)" class="p-2 sm:px-3 sm:py-2 rounded-xl bg-slate-100 hover:bg-slate-200 text-slate-700 text-xs sm:text-sm font-bold border border-slate-200/80 transition flex items-center gap-1.5">
             <i class="fa-solid fa-arrows-rotate text-indigo-600"></i>
             <span class="hidden sm:inline">Sync</span>
@@ -622,6 +647,10 @@
 
         <!-- Action Buttons -->
         <div class="flex flex-col sm:flex-row gap-3 justify-center pt-2">
+          <button onclick="shareExamResult()" class="px-6 py-3.5 rounded-2xl bg-gradient-to-r from-emerald-600 to-teal-600 hover:from-emerald-700 hover:to-teal-700 text-white font-extrabold text-sm sm:text-base shadow-lg shadow-emerald-600/25 transition flex items-center justify-center gap-2">
+            <i class="fa-solid fa-share-nodes"></i>
+            <span>Zeugnis teilen</span>
+          </button>
           <button onclick="startQuiz('exam')" class="px-6 py-3.5 rounded-2xl bg-indigo-600 hover:bg-indigo-700 text-white font-extrabold text-sm sm:text-base shadow-lg shadow-indigo-600/30 transition flex items-center justify-center gap-2">
             <i class="fa-solid fa-rotate-right"></i>
             <span>Prüfung wiederholen</span>
@@ -668,6 +697,10 @@
         </div>
 
         <div class="flex flex-col sm:flex-row gap-3 justify-center pt-2">
+          <button onclick="shareQuizResult()" class="px-6 py-3.5 rounded-2xl bg-gradient-to-r from-indigo-600 to-violet-600 hover:from-indigo-700 hover:to-violet-700 text-white font-extrabold text-sm sm:text-base shadow-lg shadow-indigo-600/25 transition flex items-center justify-center gap-2">
+            <i class="fa-solid fa-share-nodes"></i>
+            <span>Ergebnis teilen</span>
+          </button>
           <button onclick="startQuiz(currentQuizMode)" class="px-6 py-3.5 rounded-2xl bg-indigo-600 hover:bg-indigo-700 text-white font-extrabold text-sm sm:text-base shadow-lg shadow-indigo-600/30 transition flex items-center justify-center gap-2">
             <i class="fa-solid fa-rotate-right"></i>
             <span>Nochmal spielen</span>
@@ -1049,6 +1082,71 @@
     </div>
   </div>
 
+
+  <!-- ACHIEVEMENTS & GAMIFICATION MODAL -->
+  <div id="achievementsModal" class="fixed inset-0 bg-slate-900/60 backdrop-blur-sm z-50 hidden flex items-center justify-center p-4 no-print">
+    <div class="bg-white rounded-3xl max-w-xl w-full p-6 sm:p-8 shadow-2xl relative border border-slate-200 animate-in fade-in zoom-in-95 duration-150 max-h-[90vh] overflow-y-auto space-y-5">
+      <button onclick="closeAchievementsModal()" class="absolute top-5 right-5 w-9 h-9 rounded-full bg-slate-100 hover:bg-slate-200 text-slate-600 flex items-center justify-center transition">
+        <i class="fa-solid fa-xmark text-base"></i>
+      </button>
+
+      <div class="flex items-center gap-2">
+        <span class="text-xs font-bold px-2.5 py-0.5 rounded-full bg-amber-100 text-amber-900 border border-amber-200 uppercase tracking-wider">
+          Gamification & Motivation
+        </span>
+      </div>
+
+      <div>
+        <h3 class="text-2xl sm:text-3xl font-black text-slate-900">🏛️ Rang & Rhetorik-Erfolge</h3>
+        <p class="text-xs sm:text-sm text-slate-500 mt-0.5">Sammle XP durch Karteikarten, Quiz und Prüfungen, um alle 9 Trophäen freizuschalten.</p>
+      </div>
+
+      <!-- Current Rank Card -->
+      <div class="p-4 sm:p-5 bg-gradient-to-r from-amber-500 via-amber-600 to-orange-600 text-white rounded-2xl shadow-md space-y-3">
+        <div class="flex justify-between items-center">
+          <div>
+            <div class="text-[11px] font-extrabold uppercase tracking-wider text-amber-200">Dein aktueller Rang</div>
+            <div id="modalUserRankName" class="text-xl sm:text-2xl font-black tracking-tight">Rang 1: Novize</div>
+          </div>
+          <div class="w-12 h-12 rounded-2xl bg-white/20 backdrop-blur-sm flex items-center justify-center text-2xl">
+            <i id="modalUserRankIcon" class="fa-solid fa-seedling text-white"></i>
+          </div>
+        </div>
+
+        <div>
+          <div class="flex justify-between text-xs font-bold mb-1">
+            <span id="modalUserXpText">0 XP gesammelt</span>
+            <span id="modalNextRankText">500 XP bis Textanalytiker</span>
+          </div>
+          <div class="w-full bg-black/20 h-2.5 rounded-full overflow-hidden">
+            <div id="modalXpProgressBar" class="bg-white h-full transition-all duration-500 w-0"></div>
+          </div>
+        </div>
+      </div>
+
+      <!-- Badges Grid (9 Achievements) -->
+      <div class="space-y-3">
+        <div class="flex justify-between items-center border-b border-slate-100 pb-2">
+          <h4 class="text-xs sm:text-sm font-extrabold text-slate-700 uppercase tracking-wider">Trophäen-Kabinett (<span id="modalBadgesUnlockedCount">0</span> von 9 freigeschaltet)</h4>
+          <span class="text-xs text-slate-400 font-bold">Lokal gespeichert</span>
+        </div>
+        <div id="achievementsGrid" class="grid grid-cols-1 sm:grid-cols-2 gap-3 text-xs">
+          <!-- Dynamically populated badges -->
+        </div>
+      </div>
+
+      <div class="pt-2 border-t border-slate-100 flex justify-between items-center">
+        <button onclick="shareApp()" class="px-4 py-2 rounded-xl bg-slate-100 hover:bg-slate-200 text-slate-700 font-bold text-xs sm:text-sm transition flex items-center gap-1.5">
+          <i class="fa-solid fa-share-nodes text-indigo-600"></i>
+          <span>App teilen</span>
+        </button>
+        <button onclick="closeAchievementsModal()" class="px-5 py-2 rounded-xl bg-slate-900 hover:bg-slate-800 text-white font-bold text-xs sm:text-sm transition shadow-sm">
+          Schließen
+        </button>
+      </div>
+    </div>
+  </div>
+
   <!-- Notification Toast -->
   <div id="toastNotification" class="fixed bottom-6 right-6 z-50 transform translate-y-20 opacity-0 transition-all duration-300 pointer-events-none no-print">
     <div class="bg-slate-900 text-white px-5 py-3 rounded-2xl shadow-xl flex items-center gap-3 border border-slate-700 text-sm sm:text-base font-medium">
@@ -1955,6 +2053,7 @@
       if (isMastered) {
         setItemLevel(item.id, currentLvl + 1);
         playTone('success');
+        addXP(20, 'Karte gemeistert');
         cardEl.classList.add('swipe-right');
         showToast(`„${item.term}“ aufgestiegen in Kasten ${Math.min(5, currentLvl + 1)}!`, 'fa-circle-up');
       } else {
@@ -2049,6 +2148,10 @@
         utterance.rate = 0.95;
         utterance.pitch = 1.0;
         window.speechSynthesis.speak(utterance);
+
+        audioListenCount++;
+        localStorage.setItem('rhetorik_audio_count', audioListenCount.toString());
+        addXP(5);
       } catch (err) {
         console.warn('SpeechSynthesis error:', err);
       }
@@ -2572,6 +2675,13 @@
       if (isCorrect) {
         quizScore += 100 + (quizStreak * 20);
         quizStreak++;
+        if (currentQuizInputType === 'text') {
+          freitextCorrectCount++;
+          localStorage.setItem('rhetorik_freitext_count', freitextCorrectCount.toString());
+          addXP(25, 'Freitext richtig');
+        } else {
+          addXP(15, 'Quiz richtig');
+        }
         if (quizStreak > quizMaxStreak) quizMaxStreak = quizStreak;
         playTone('success');
 
@@ -2712,6 +2822,15 @@
       const gradeInfo = calculateExamGrade(correctCount, quizQuestions.length);
       playTone(gradeInfo.grade <= 3 ? 'win' : 'error');
 
+      // Grant Exam XP & Badges
+      if (gradeInfo.grade === 1) addXP(250, 'Note 1');
+      else if (gradeInfo.grade === 2) addXP(180, 'Note 2');
+      else if (gradeInfo.grade === 3) addXP(100, 'Note 3');
+      else if (gradeInfo.grade === 4) addXP(50, 'Note 4');
+
+      if (gradeInfo.grade <= 2) unlockBadge('exam_ace');
+      if (elapsedSec <= 300 && gradeInfo.grade <= 3) unlockBadge('speed_demon');
+
       // Populate Exam Screen
       document.getElementById('quizPlayArea').classList.add('hidden');
       document.getElementById('examTimerBar').classList.add('hidden');
@@ -3297,6 +3416,7 @@
           const payload = JSON.parse(evt.target.result);
           applySyncData(payload);
           closeSyncModal();
+        closeAchievementsModal();
           showToast('Lernstand aus JSON-Datei importiert!', 'fa-circle-check');
         } catch (err) {
           alert('Ungültiges Backup-Format in der ausgewählten JSON-Datei.');
@@ -3316,6 +3436,7 @@
       }
       applySyncData(payload);
       closeSyncModal();
+        closeAchievementsModal();
       document.getElementById('syncImportText').value = '';
       showToast('Lernstand erfolgreich aktualisiert!', 'fa-circle-check');
     }
@@ -3375,6 +3496,319 @@
       }
     }
 
+
+    // ==========================================
+    // GAMIFICATION, XP, BADGES & SOCIAL SHARING
+    // ==========================================
+    const ACHIEVEMENTS_DEF = [
+      {
+        id: "first_step",
+        title: "Erster Schritt",
+        desc: "Erstes Quiz absolviert oder 5 Karteikarten gelernt.",
+        icon: "fa-seedling",
+        color: "emerald",
+        xpReward: 50
+      },
+      {
+        id: "streak_10",
+        title: "Feuer & Flamme",
+        desc: "Einen 10er Streak im Quiz-Modus erreicht.",
+        icon: "fa-fire",
+        color: "amber",
+        xpReward: 100
+      },
+      {
+        id: "freitext_pro",
+        title: "Freitext-Virtuose",
+        desc: "5 Fragen ohne Multiple Choice per Freitext getippt.",
+        icon: "fa-keyboard",
+        color: "indigo",
+        xpReward: 150
+      },
+      {
+        id: "exam_ace",
+        title: "Klausur-Ass",
+        desc: "Eine Klausursimulation mit Note 1 oder 2 bestanden.",
+        icon: "fa-crown",
+        color: "amber",
+        xpReward: 200
+      },
+      {
+        id: "speed_demon",
+        title: "Speed-Denker",
+        desc: "Eine 15-Fragen-Prüfung in unter 5 Minuten absolviert.",
+        icon: "fa-bolt",
+        color: "violet",
+        xpReward: 120
+      },
+      {
+        id: "audio_listener",
+        title: "Hörversteher",
+        desc: "Mindestens 3 Zitate über die Sprachausgabe angehört.",
+        icon: "fa-headphones",
+        color: "blue",
+        xpReward: 60
+      },
+      {
+        id: "weakness_slayer",
+        title: "Fehlerjäger",
+        desc: "Alle offenen Schwachstellen im Training abgebaut.",
+        icon: "fa-shield-halved",
+        color: "rose",
+        xpReward: 150
+      },
+      {
+        id: "sound_master",
+        title: "Klangmeister",
+        desc: "Alle Klangfiguren in Leitner-Kasten 5 gemeistert.",
+        icon: "fa-music",
+        color: "cyan",
+        xpReward: 180
+      },
+      {
+        id: "grandmaster",
+        title: "Cicero der Neuzeit",
+        desc: "Alle 23 rhetorischen Stilmittel in Kasten 5 gemeistert.",
+        icon: "fa-trophy",
+        color: "amber",
+        xpReward: 500
+      }
+    ];
+
+    const USER_RANKS = [
+      { minXp: 0, name: "Novize", level: 1, icon: "fa-seedling" },
+      { minXp: 500, name: "Textanalytiker", level: 2, icon: "fa-magnifying-glass" },
+      { minXp: 1500, name: "Wortfechter", level: 3, icon: "fa-feather-pointed" },
+      { minXp: 3000, name: "Meister der Rhetorik", level: 4, icon: "fa-award" },
+      { minXp: 6000, name: "Cicero / Großmeister", level: 5, icon: "fa-crown" }
+    ];
+
+    let userXP = parseInt(localStorage.getItem('rhetorik_user_xp') || '0', 10);
+    let unlockedBadges = JSON.parse(localStorage.getItem('rhetorik_unlocked_badges') || '[]');
+    let freitextCorrectCount = parseInt(localStorage.getItem('rhetorik_freitext_count') || '0', 10);
+    let audioListenCount = parseInt(localStorage.getItem('rhetorik_audio_count') || '0', 10);
+
+    function addXP(amount, reason = '') {
+      if (amount <= 0) return;
+      const prevRank = getCurrentRank(userXP);
+      userXP += amount;
+      localStorage.setItem('rhetorik_user_xp', userXP.toString());
+      updateGamificationHeader();
+
+      const newRank = getCurrentRank(userXP);
+      if (newRank.level > prevRank.level) {
+        playTone('win');
+        showToast(`🎉 RANG-AUFSTIEG! Du bist jetzt: ${newRank.name}!`, 'fa-crown');
+      }
+
+      checkAchievements();
+    }
+
+    function getCurrentRank(xp) {
+      let current = USER_RANKS[0];
+      for (let i = 0; i < USER_RANKS.length; i++) {
+        if (xp >= USER_RANKS[i].minXp) {
+          current = USER_RANKS[i];
+        } else {
+          break;
+        }
+      }
+      return current;
+    }
+
+    function getNextRank(xp) {
+      for (let i = 0; i < USER_RANKS.length; i++) {
+        if (xp < USER_RANKS[i].minXp) {
+          return USER_RANKS[i];
+        }
+      }
+      return null;
+    }
+
+    function updateGamificationHeader() {
+      const rank = getCurrentRank(userXP);
+      const titleEl = document.getElementById('userRankTitle');
+      if (titleEl) titleEl.innerText = rank.name;
+
+      const pillEl = document.getElementById('badgeCountPill');
+      if (pillEl) pillEl.innerText = `${unlockedBadges.length}/9`;
+    }
+
+    function unlockBadge(badgeId) {
+      if (unlockedBadges.includes(badgeId)) return;
+      const bDef = ACHIEVEMENTS_DEF.find(b => b.id === badgeId);
+      if (!bDef) return;
+
+      unlockedBadges.push(badgeId);
+      localStorage.setItem('rhetorik_unlocked_badges', JSON.stringify(unlockedBadges));
+      updateGamificationHeader();
+
+      playTone('win');
+      showToast(`🏆 Trophäe freigeschaltet: ${bDef.title}! (+${bDef.xpReward} XP)`, 'fa-trophy');
+      addXP(bDef.xpReward);
+    }
+
+    function checkAchievements() {
+      const masteredCount = STILMITTEL_DATA.filter(item => (cardLevels[item.id] || 1) >= 5).length;
+      const klangMastered = STILMITTEL_DATA.filter(item => item.category === 'klang' && (cardLevels[item.id] || 1) >= 5).length;
+      const totalKlang = STILMITTEL_DATA.filter(item => item.category === 'klang').length;
+
+      // 1. Erster Schritt
+      if (masteredCount >= 5 || userXP >= 50) {
+        unlockBadge('first_step');
+      }
+
+      // 2. Feuer & Flamme
+      if (quizMaxStreak >= 10) {
+        unlockBadge('streak_10');
+      }
+
+      // 3. Freitext-Virtuose
+      if (freitextCorrectCount >= 5) {
+        unlockBadge('freitext_pro');
+      }
+
+      // 6. Hörversteher
+      if (audioListenCount >= 3) {
+        unlockBadge('audio_listener');
+      }
+
+      // 7. Fehlerjäger
+      if (quizMistakes.length === 0 && userXP >= 300) {
+        unlockBadge('weakness_slayer');
+      }
+
+      // 8. Klangmeister
+      if (klangMastered === totalKlang && totalKlang > 0) {
+        unlockBadge('sound_master');
+      }
+
+      // 9. Großmeister
+      if (masteredCount >= STILMITTEL_DATA.length) {
+        unlockBadge('grandmaster');
+      }
+    }
+
+    function openAchievementsModal() {
+      const rank = getCurrentRank(userXP);
+      const nextRank = getNextRank(userXP);
+
+      document.getElementById('modalUserRankName').innerText = `Rang ${rank.level}: ${rank.name}`;
+      document.getElementById('modalUserRankIcon').className = `fa-solid ${rank.icon} text-white`;
+
+      const xpTextEl = document.getElementById('modalUserXpText');
+      const nextTextEl = document.getElementById('modalNextRankText');
+      const barEl = document.getElementById('modalXpProgressBar');
+
+      if (nextRank) {
+        xpTextEl.innerText = `${userXP} XP gesammelt`;
+        const diff = nextRank.minXp - rank.minXp;
+        const currentProgress = userXP - rank.minXp;
+        const percent = Math.min(100, Math.round((currentProgress / diff) * 100));
+        nextTextEl.innerText = `${nextRank.minXp - userXP} XP bis ${nextRank.name}`;
+        barEl.style.width = `${percent}%`;
+      } else {
+        xpTextEl.innerText = `${userXP} XP (Maximalrang erreicht)`;
+        nextTextEl.innerText = 'Cicero / Höchster Rang!';
+        barEl.style.width = '100%';
+      }
+
+      document.getElementById('modalBadgesUnlockedCount').innerText = unlockedBadges.length;
+
+      // Render 9 Badges
+      const grid = document.getElementById('achievementsGrid');
+      grid.innerHTML = '';
+
+      ACHIEVEMENTS_DEF.forEach(b => {
+        const isUnlocked = unlockedBadges.includes(b.id);
+        const card = document.createElement('div');
+        card.className = `p-3.5 rounded-2xl border transition flex items-start gap-3 ${
+          isUnlocked 
+            ? 'bg-amber-50/70 border-amber-300 shadow-sm text-slate-900' 
+            : 'bg-slate-50 border-slate-200 text-slate-400 opacity-75'
+        }`;
+
+        card.innerHTML = `
+          <div class="w-10 h-10 rounded-xl flex items-center justify-center text-lg shrink-0 shadow-sm ${
+            isUnlocked ? 'bg-amber-500 text-white' : 'bg-slate-200 text-slate-400'
+          }">
+            <i class="fa-solid ${isUnlocked ? b.icon : 'fa-lock'}"></i>
+          </div>
+          <div class="flex-1 min-w-0">
+            <div class="flex items-center justify-between gap-1">
+              <span class="font-extrabold text-sm ${isUnlocked ? 'text-slate-900' : 'text-slate-500'} truncate">${b.title}</span>
+              ${isUnlocked ? '<span class="text-[10px] font-black uppercase text-emerald-600 bg-emerald-100 px-1.5 py-0.5 rounded-md">Frei</span>' : '<span class="text-[10px] font-mono text-slate-400">+' + b.xpReward + ' XP</span>'}
+            </div>
+            <p class="text-[11px] leading-snug mt-0.5 ${isUnlocked ? 'text-slate-600' : 'text-slate-400'}">${b.desc}</p>
+          </div>
+        `;
+        grid.appendChild(card);
+      });
+
+      playTone('flip');
+      document.getElementById('achievementsModal').classList.remove('hidden');
+    }
+
+    function closeAchievementsModal() {
+      document.getElementById('achievementsModal').classList.add('hidden');
+    }
+
+    // SOCIAL SHARING FUNCTIONS
+    function shareApp() {
+      const shareData = {
+        title: 'RhetorikMaster - Stilmittel Trainer & Klausur-Spickzettel',
+        text: '🏛️ Meistere 23 rhetorische Stilmittel der Textanalyse mit Karteikarten, interaktivem Quiz und Klausursimulation!',
+        url: 'https://rhetorikmaster.pansi.eu/'
+      };
+
+      if (navigator.share) {
+        navigator.share(shareData).catch(() => {});
+      } else {
+        navigator.clipboard.writeText(`${shareData.text} ${shareData.url}`).then(() => {
+          showToast('Empfehlungslink in die Zwischenablage kopiert!', 'fa-share-nodes');
+        });
+      }
+    }
+
+    function shareExamResult() {
+      const gradeTitle = document.getElementById('examGradeTitle')?.innerText || 'Note: 1';
+      const scoreText = document.getElementById('examScoreDisplay')?.innerText || '14 / 15';
+      const percentText = document.getElementById('examPercentDisplay')?.innerText || '93%';
+
+      const shareData = {
+        title: 'Mein Klausur-Ergebnis im RhetorikMaster',
+        text: `🎓 Ich habe gerade die RhetorikMaster Klausursimulation mit ${gradeTitle} (${scoreText}, ${percentText}) bestanden! 🏛️ Teste dein Stilmittel-Wissen für die Textanalyse:`,
+        url: 'https://rhetorikmaster.pansi.eu/'
+      };
+
+      if (navigator.share) {
+        navigator.share(shareData).catch(() => {});
+      } else {
+        navigator.clipboard.writeText(`${shareData.text} ${shareData.url}`).then(() => {
+          showToast('Klausur-Zeugnis zum Teilen kopiert!', 'fa-copy');
+        });
+      }
+    }
+
+    function shareQuizResult() {
+      const scoreText = document.getElementById('resultScore')?.innerText || '0 Pkt';
+      const streakText = document.getElementById('resultMaxStreak')?.innerText || '0';
+
+      const shareData = {
+        title: 'Mein Highscore im RhetorikMaster',
+        text: `🏆 Ich habe im RhetorikMaster Quiz ${scoreText} und einen Streak von ${streakText} erreicht! Schlägst du mein Ergebnis?`,
+        url: 'https://rhetorikmaster.pansi.eu/'
+      };
+
+      if (navigator.share) {
+        navigator.share(shareData).catch(() => {});
+      } else {
+        navigator.clipboard.writeText(`${shareData.text} ${shareData.url}`).then(() => {
+          showToast('Quiz-Ergebnis zum Teilen kopiert!', 'fa-copy');
+        });
+      }
+    }
+
     // Keyboard Shortcuts
     window.addEventListener('keydown', (e) => {
       if (document.activeElement && document.activeElement.tagName === 'INPUT') {
@@ -3403,6 +3837,7 @@
       if (e.key === 'Escape') {
         closeDetailModal();
         closeSyncModal();
+        closeAchievementsModal();
         cancelIncomingSync();
         return;
       }
@@ -3501,6 +3936,8 @@
       applyCardFilters();
       updateMasteredHeader();
       renderPrintCheatsheet();
+      updateGamificationHeader();
+      checkAchievements();
       checkUrlSync();
     };
   </script>

www/sw.js

@@ -1,4 +1,4 @@
-const CACHE_NAME = 'rhetorikmaster-v8';
+const CACHE_NAME = 'rhetorikmaster-v9';
 const STATIC_ASSETS = [
   '/',
   '/index.html',