:root{--color-primary:#5b9bd5;--color-primary-dark:#4a89c4;--color-primary-light:#d0e4f5;--color-bg:#f5f7fa;--color-surface:#fff;--color-text:#2d3748;--color-text-light:#718096;--color-success:#68d391;--color-success-dark:#48bb78;--color-danger:#ef4444;--color-danger-light:#fecaca;--color-accent:#facc15;--color-accent-glow:#facc1599;--color-accent-dark:#eab308;--radius:12px;--radius-sm:8px;--shadow:0 2px 8px #00000014;--shadow-lg:0 4px 16px #0000001f;--shadow-glow:0 0 20px var(--color-accent-glow);--transition:.25s ease;--max-width:720px;--font-main:"Nunito", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.6;overflow-x:hidden}#app{max-width:var(--max-width);min-height:100vh;margin:0 auto;padding:16px;position:relative}h1{font-size:2.4rem;font-weight:800}h2{font-size:1.6rem;font-weight:700}h3{font-size:1.2rem;font-weight:700}.btn{border-radius:var(--radius);font-family:var(--font-main);cursor:pointer;transition:transform var(--transition), box-shadow var(--transition), background var(--transition);-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:12px 24px;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-accent{background:var(--color-accent);color:var(--color-text)}.btn-accent:hover{background:var(--color-accent-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:2px solid #e2e8f0}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-danger{color:var(--color-danger);border:2px solid var(--color-danger);background:0 0}.btn-danger:hover{background:var(--color-danger);color:#fff}.btn-large{width:100%;padding:16px 32px;font-size:1.15rem}.btn-small{padding:8px 16px;font-size:.85rem}.btn-stop{border:2px solid var(--color-danger);color:var(--color-danger);border-radius:var(--radius-sm);font-family:var(--font-main);cursor:pointer;transition:all var(--transition);background:0 0;min-height:40px;padding:8px 16px;font-size:.9rem;font-weight:700}.btn-stop:hover{background:var(--color-danger);color:#fff}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform var(--transition), box-shadow var(--transition);padding:20px}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.screen-header{align-items:center;gap:12px;margin-bottom:24px;display:flex}.btn-back{background:var(--color-surface);width:44px;height:44px;box-shadow:var(--shadow);cursor:pointer;transition:all var(--transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.btn-back:hover{background:var(--color-primary-light);transform:scale(1.05)}.screen-title{flex:1}.screen-enter{animation:.35s ease-out forwards screenFadeIn}.screen-exit{animation:.2s ease-in forwards screenFadeOut}@keyframes screenFadeIn{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes screenFadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}.screen-start{flex-direction:column;align-items:center;padding-top:10vh;display:flex}.start-content{text-align:center;width:100%;max-width:400px}.start-icon{margin-bottom:8px;font-size:4rem;animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.start-title{color:var(--color-primary);text-shadow:0 2px 4px #5b9bd533;margin-bottom:8px;font-size:2.8rem;font-weight:800}.start-subtitle{color:var(--color-text-light);margin-bottom:32px;font-size:1.05rem;line-height:1.5}.start-buttons{flex-direction:column;gap:12px;display:flex}.lernen-intro{color:var(--color-text-light);margin-bottom:20px;font-size:1rem}.topics-list{flex-direction:column;gap:12px;padding-bottom:32px;display:flex}.topic-card{cursor:pointer;text-align:left;width:100%;font-family:var(--font-main);border:none;flex-direction:column;gap:8px;display:flex}.topic-card-header{align-items:center;gap:14px;display:flex}.topic-icon{flex-shrink:0;font-size:2rem}.topic-name{margin-bottom:2px;font-size:1.15rem}.topic-desc{color:var(--color-text-light);font-size:.88rem;font-weight:400}.topic-count{color:var(--color-text-light);padding-left:46px;font-size:.8rem;font-weight:600}.lernen-header-bar{align-items:center;gap:12px;margin-bottom:16px;display:flex}.lernen-header-info{align-items:center;gap:8px;display:flex}.lernen-topic-icon{font-size:1.5rem}.lernen-progress{margin-bottom:20px}.lernen-progress-text{color:var(--color-text-light);text-align:center;margin-bottom:6px;font-size:.85rem;font-weight:600;display:block}.lernen-card-container{perspective:800px;min-height:260px;margin-bottom:12px}.flip-card{cursor:pointer;width:100%;min-height:260px}.flip-card-inner{width:100%;min-height:260px;transform-style:preserve-3d;transition:transform .5s;position:relative}.flip-card-inner.flipped{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{backface-visibility:hidden;border-radius:var(--radius);box-shadow:var(--shadow-lg);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:28px 24px;display:flex;position:absolute;inset:0}.flip-card-front{background:var(--color-surface)}.flip-card-back{background:linear-gradient(135deg,#f0f7ff,#e8f4fd);transform:rotateY(180deg)}.card-invention-label{text-transform:uppercase;letter-spacing:1px;color:var(--color-text-light);margin-bottom:16px;font-size:.75rem;font-weight:700}.card-front-text{color:var(--color-text);font-size:1.25rem;font-weight:700;line-height:1.5}.card-back-text{color:var(--color-text);font-size:1.1rem;font-weight:600;line-height:1.6}.lernen-hint{text-align:center;color:var(--color-text-light);margin-bottom:20px;font-size:.82rem;transition:opacity .3s}.lernen-nav{justify-content:space-between;gap:12px;display:flex}.lernen-nav-single{justify-content:center}.lernen-nav-btn{flex:1;max-width:240px}.lernen-nav-center{max-width:280px}.lernen-nav-btn:disabled{opacity:0;cursor:default}.modes-list{flex-direction:column;gap:12px;display:flex}.mode-card{cursor:pointer;text-align:left;border:2px solid #0000}.mode-card:hover{border-color:var(--color-primary)}.mode-label{margin-bottom:4px;font-size:1.15rem}.mode-desc{color:var(--color-text-light);font-size:.9rem;font-weight:400}.quiz-top-bar{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:24px;padding:12px 16px;display:flex}.progress-wrap{flex:1;min-width:120px}.progress-label{color:var(--color-text-light);margin-bottom:4px;font-size:.85rem;font-weight:600;display:block}.progress-bar{background:#e2e8f0;border-radius:4px;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));border-radius:4px;height:100%;transition:width .4s}.score-display{flex-direction:column;align-items:center;min-width:64px;display:flex}.score-label{text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-light);font-size:.7rem;font-weight:700}.score-value{color:var(--color-accent-dark);font-size:1.4rem;font-weight:800;transition:transform .2s}.score-pop{animation:.4s scorePop}@keyframes scorePop{0%{transform:scale(1)}50%{color:var(--color-accent);transform:scale(1.3)}to{transform:scale(1)}}.lives-display{gap:2px;font-size:1.1rem;display:flex}.heart{transition:all .3s;display:inline-block}.heart-breaking{animation:.4s forwards heartBreak}@keyframes heartBreak{0%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}to{opacity:0;transform:scale(0)}}.question-area{margin-bottom:16px}.question-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;animation:.5s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.question-text{text-align:center;margin-bottom:20px;font-size:1.2rem;font-weight:700;line-height:1.5}.answers-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.btn-answer{background:var(--color-surface);border-radius:var(--radius);font-family:var(--font-main);cursor:pointer;transition:all var(--transition);text-align:center;border:2px solid #e2e8f0;min-height:52px;padding:14px 16px;font-size:.95rem;font-weight:600;line-height:1.4}.btn-answer:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-light);transform:translateY(-1px)}.btn-answer:disabled{cursor:default}.answer-correct{animation:.6s glowCorrect;background:var(--color-success)!important;border-color:var(--color-success-dark)!important;color:#fff!important}@keyframes glowCorrect{0%{box-shadow:0 0 #68d39100}50%{box-shadow:0 0 20px #68d39180}to{box-shadow:var(--shadow)}}.answer-wrong{animation:.5s animate-shake;background:var(--color-danger)!important;border-color:var(--color-danger)!important;color:#fff!important}.float-points{color:var(--color-accent-dark);pointer-events:none;text-shadow:0 0 8px var(--color-accent-glow);font-size:1.2rem;font-weight:800;animation:.9s ease-out forwards floatUp;position:absolute;top:-10px;right:10px}@keyframes floatUp{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-40px)}}.feedback-area{min-height:20px}.feedback{border-radius:var(--radius);text-align:center;padding:16px;animation:.3s ease-out fadeIn}.feedback-correct{color:var(--color-success-dark);background:#f0fff4;font-size:1.1rem;font-weight:700}.feedback-wrong{border-left:4px solid var(--color-danger);background:#fff5f5}.feedback-label{color:var(--color-danger);margin-bottom:6px;font-size:1.05rem;font-weight:700}.feedback-explanation{color:var(--color-text);line-height:1.5}.btn-weiter{margin-top:14px}.screen-result{text-align:center;padding-top:48px}.result-header{margin-bottom:24px}.result-emoji{margin-bottom:8px;font-size:3.5rem;animation:2s ease-in-out infinite float;display:block}.result-title{font-size:2rem}.result-stats{margin-bottom:32px}.stat-badge{background:var(--color-primary-light);color:var(--color-primary-dark);border-radius:20px;margin-bottom:16px;padding:6px 16px;font-size:.85rem;font-weight:700;display:inline-block}.result-score{margin-bottom:8px}.result-score-value{color:var(--color-accent-dark);text-shadow:0 0 20px var(--color-accent-glow);font-size:3rem;font-weight:800}.result-score-label{color:var(--color-text-light);font-size:1.2rem;font-weight:600}.result-detail{color:var(--color-text-light);font-size:1rem}.result-save{flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:32px;display:flex}.input-name{border-radius:var(--radius);font-family:var(--font-main);width:180px;transition:border-color var(--transition);border:2px solid #e2e8f0;outline:none;padding:12px 16px;font-size:1rem;font-weight:600}.input-name:focus{border-color:var(--color-primary)}.input-error{animation:.4s animate-shake;border-color:var(--color-danger)!important}.save-confirmed{color:var(--color-success-dark);font-size:1.1rem;font-weight:700;animation:.5s ease-out fadeIn}.result-actions{flex-direction:column;gap:10px;max-width:320px;margin:0 auto;display:flex}.filter-tabs{gap:6px;margin-bottom:16px;display:flex}.tab{font-family:var(--font-main);cursor:pointer;transition:all var(--transition);color:var(--color-text-light);background:0 0;border:2px solid #e2e8f0;border-radius:20px;padding:8px 16px;font-size:.85rem;font-weight:700}.tab:hover{border-color:var(--color-primary);color:var(--color-primary)}.tab-active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.highscores-content{margin-bottom:24px}.highscore-row{background:var(--color-surface);border-radius:var(--radius-sm);box-shadow:var(--shadow);transition:transform var(--transition);grid-template-columns:48px 1fr auto auto;align-items:center;gap:8px;margin-bottom:6px;padding:12px 16px;animation:.3s ease-out fadeIn;display:grid}.highscore-row:hover{transform:translate(4px)}.top-three{border-left:3px solid var(--color-accent)}.hs-rank{text-align:center;font-size:1.2rem;font-weight:800}.hs-name{font-weight:700}.hs-score{color:var(--color-accent-dark);font-weight:800}.hs-date{color:var(--color-text-light);font-size:.8rem}.empty-state{text-align:center;color:var(--color-text-light);padding:40px 16px;font-size:1rem}.modal-overlay{z-index:1000;background:#0006;justify-content:center;align-items:center;padding:16px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:400px;padding:28px;animation:.3s ease-out modalIn}@keyframes modalIn{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-title{text-align:center;margin-bottom:12px}.modal-body{color:var(--color-text-light);text-align:center;margin-bottom:20px;line-height:1.5}.modal-input{border-radius:var(--radius);width:100%;font-family:var(--font-main);transition:border-color var(--transition);border:2px solid #e2e8f0;outline:none;margin-bottom:16px;padding:12px 16px;font-size:1rem}.modal-input:focus{border-color:var(--color-primary)}.modal-buttons{justify-content:center;gap:10px;display:flex}@keyframes animate-shake{0%,to{transform:translate(0)}15%{transform:translate(-6px)}30%{transform:translate(6px)}45%{transform:translate(-4px)}60%{transform:translate(4px)}75%{transform:translate(-2px)}90%{transform:translate(2px)}}.animate-shake{animation:.5s animate-shake}@keyframes glow{0%{filter:drop-shadow(0 0 4px var(--color-accent-glow))}50%{filter:drop-shadow(0 0 12px var(--color-accent))}to{filter:drop-shadow(0 0 4px var(--color-accent-glow))}}.animate-glow{animation:2s ease-in-out infinite glow}.site-footer{text-align:center;padding-top:40px}.footer-links{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:8px;display:flex}.footer-links a{color:var(--color-text-light);transition:color var(--transition);font-size:.8rem;font-weight:600;text-decoration:none}.footer-links a:hover{color:var(--color-primary)}.footer-sep{color:var(--color-text-light);font-size:.8rem}.footer-copy{color:var(--color-text-light);font-size:.75rem}.screen-legal{padding-bottom:40px}.legal-content{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 24px}.legal-content h3{color:var(--color-primary-dark);margin-top:20px;margin-bottom:8px;font-size:1.05rem}.legal-content h3:first-child{margin-top:0}.legal-content p{margin-bottom:10px;line-height:1.65}.legal-content ul{margin:0 0 12px 20px;line-height:1.65}.legal-intro{color:var(--color-text);font-size:1.05rem;font-weight:600}.legal-address{line-height:1.8}.legal-divider{border:none;border-top:1px solid #e2e8f0;margin:20px 0}.legal-note{color:var(--color-text-light);font-style:italic}@media (width<=600px){h1{font-size:2rem}.start-title{font-size:2.2rem}.answers-grid{grid-template-columns:1fr}.quiz-top-bar{gap:8px;padding:10px 12px}.question-card{padding:16px}.question-text{font-size:1.05rem}.result-score-value{font-size:2.4rem}.highscore-row{grid-template-columns:40px 1fr auto}.hs-date{display:none}.filter-tabs{flex-wrap:wrap}}@media (width>=601px) and (width<=1024px){#app{padding:24px}}@media (width>=1025px){#app{padding:32px}}