.home-container{display:flex;justify-content:center;align-items:center;min-height:100vh;width:100%;padding:2rem}.home-content{max-width:1200px;width:100%;padding:1.5rem;background-color:#fffffff2;border-radius:20px;box-shadow:0 0 30px #0003;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}h1{color:#2c3e50;margin-bottom:2rem;font-size:3rem;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.info-box{background-color:#f8f9facc;padding:2.5rem;border-radius:15px;margin-bottom:2.5rem;text-align:left;border:1px solid rgba(0,0,0,.1)}.info-box h2{color:#2c3e50;margin-bottom:1.5rem;font-size:1.8rem}.info-box ul{list-style-type:none;padding:0}.info-box li{margin-bottom:1rem;color:#34495e;font-size:1.2rem;padding-left:1.5rem;position:relative}.info-box li:before{content:"•";color:#3498db;position:absolute;left:0;font-size:1.5rem}.start-button{background-color:#3498db;color:#fff;border:none;padding:1.2rem 3rem;font-size:1.4rem;border-radius:10px;cursor:pointer;transition:all .3s;box-shadow:0 4px 6px #0000001a}.start-button:hover{background-color:#2980b9;transform:translateY(-2px);box-shadow:0 6px 8px #0003}.quiz-container{display:flex;justify-content:center;align-items:center;min-height:100vh;width:100%;padding:0}.question-box{max-width:700px;width:100%;background-color:#fffffff2;border-radius:12px;box-shadow:0 0 30px #0003;padding:1.5rem;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.timer{font-size:1.3rem;color:#e74c3c;margin-bottom:.5rem;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.question-number{font-size:1.1rem;color:#7f8c8d;margin-bottom:.5rem}.question-text{color:#2c3e50;font-size:1.3rem;margin-bottom:1rem;text-shadow:1px 1px 2px rgba(0,0,0,.1);padding:0 .5rem}.question-image{max-width:100%;height:auto;max-height:250px;border-radius:8px;margin-bottom:1rem;box-shadow:0 4px 8px #0000001a}.options-container{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin-top:1rem}.option-button{background-color:#e3f2fd;border:2px solid #90caf9;padding:.8rem;border-radius:6px;cursor:pointer;transition:all .3s;font-size:1rem;box-shadow:0 2px 4px #0000001a;color:#1976d2;font-weight:500}.option-button:hover{background-color:#bbdefb;transform:translateY(-2px);box-shadow:0 4px 6px #0003}.option-button.selected{background-color:#3498db;color:#fff;transform:scale(1.02);border-color:#2980b9}.option-button.correct{background-color:#2ecc71;color:#fff;border-color:#27ae60}.option-button.wrong{background-color:#e74c3c;color:#fff;border-color:#c0392b}.skip-button{grid-column:span 2;background-color:#fff3cd;border:2px solid #ffeeba;border-radius:6px;cursor:pointer;transition:all .3s;font-size:1rem;box-shadow:0 2px 4px #0000001a;color:#856404;font-weight:500;margin-top:.5rem;display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.5rem}.skip-button:hover{background-color:#ffeeba;transform:translateY(-2px);box-shadow:0 4px 6px #0003}.skip-button:disabled{cursor:not-allowed;opacity:.7}.skip-button .material-symbols-outlined{font-size:1.2rem;vertical-align:middle;margin-left:auto}.result-container{display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:20px;background-color:#f5f5f5;max-width:800px;margin:2rem auto;background-color:#fff;border-radius:10px;box-shadow:0 0 20px #0000001a;padding:2rem}.result-container h1{text-align:center;color:#333;margin-bottom:2rem}.answer-history{margin-bottom:2rem;width:100%}.answer-history h2{color:#444;margin-bottom:1rem;text-align:center}.history-item{background-color:#f8f9fa;border-radius:8px;padding:1rem;margin-bottom:1rem}.history-item.correct{background-color:#f0fff4}.history-item.wrong{background-color:#fff5f5}.history-item.empty{background-color:#f8f9fa;opacity:.8}.history-item.empty .answer-details{color:#6c757d;font-style:italic}.history-item.skipped{background-color:#fff8e1}.history-item.skipped .answer-details{color:#856404;font-style:italic}.question-number{font-weight:700;color:#666;margin-bottom:.5rem}.question-text{color:#333;margin-bottom:.5rem}.answer-details{display:flex;justify-content:space-between;color:#666;font-size:.9rem}.score-details{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:2rem 0;width:100%}.score-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-radius:8px;background-color:#f8f9fa}.score-item.correct{background-color:#d4edda;color:#155724}.score-item.wrong{background-color:#f8d7da;color:#721c24}.score-item.empty{background-color:#e2e3e5;color:#383d41}.score-item.skipped{background-color:#fff3cd;color:#856404}.score-item.total{background-color:#cce5ff;color:#004085;grid-column:span 2;font-weight:700;font-size:1.1rem}.restart-button{display:block;width:100%;padding:1rem;background-color:#007bff;color:#fff;border:none;border-radius:8px;font-size:1.1rem;cursor:pointer;transition:background-color .3s}.restart-button:hover{background-color:#0056b3}*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:linear-gradient(45deg,#1a2a6c,#b21f1f,#fdbb2d);background-size:400% 400%;animation:gradient 30s ease infinite;margin:0;display:flex;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#4caf50,#2196f3)}@keyframes gradient{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.app{width:100%;display:flex;flex-direction:column;align-items:center;overflow-y:auto}#root{max-width:1280px;margin:0 auto;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{background:#ffffff26;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:15px;padding:1.5rem;margin:1rem;width:100%;max-width:500px;box-shadow:0 4px 16px #0000001a;border:1px solid rgba(255,255,255,.2);transition:all .3s ease;cursor:pointer}.card:hover{transform:translateY(-5px);box-shadow:0 8px 24px #00000026;background:#fff3}.card h2{color:#fff;font-size:1.5rem;margin-bottom:1rem;text-shadow:1px 1px 2px rgba(0,0,0,.2)}.card p{color:#ffffffe6;font-size:1.1rem;line-height:1.5}.app-title{margin:10px 0;font-size:2.5rem;font-weight:800;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3);letter-spacing:2px;background:linear-gradient(45deg,#fff,#e0e0e0);-webkit-background-clip:text;background-clip:text;color:transparent}@keyframes titleGlow{0%{text-shadow:0 0 10px rgba(255,255,255,.5)}to{text-shadow:0 0 20px rgba(255,255,255,.8)}}.read-the-docs{color:#888}.quiz-container{width:100%;max-width:400px}.question-box{display:flex;flex-direction:column;gap:15px;height:100%}.question-image{max-width:100%;height:auto;max-height:200px;border-radius:8px;object-fit:contain;margin:0 auto;display:block}.question-text{font-size:1.2em;color:#333;margin:0}.options-container{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}.option-button{padding:12px;border:none;border-radius:8px;background-color:#f0f0f0;color:#333;cursor:pointer;transition:all .3s ease;min-height:60px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:1em}.option-button:hover{background-color:#e0e0e0;transform:translateY(-2px)}.option-button:disabled{cursor:not-allowed;opacity:.7}.option-button.correct{background-color:#4caf50;color:#fff}.option-button.wrong{background-color:#f44336;color:#fff}.timer{font-size:1.4em;font-weight:700;color:#fff;padding:8px 16px;border-radius:20px;display:inline-block;box-shadow:0 0 10px #0003;text-align:center;min-width:200px;margin:0 auto;transition:all .3s ease}.timer.normal{background-color:#4caf50;box-shadow:0 0 10px #4caf5080}.timer.warning{background-color:#ffc107;box-shadow:0 0 15px #ffc107b3}.timer.danger{background-color:#f44336;box-shadow:0 0 20px #f44336cc;animation:breathe 1s ease-in-out infinite}@keyframes breathe{0%{transform:scale(1);box-shadow:0 0 20px #f44336cc}50%{transform:scale(1.1);box-shadow:0 0 30px #f44336}to{transform:scale(1);box-shadow:0 0 20px #f44336cc}}@media (max-width: 600px){.quiz-container{padding:15px;max-width:90%;height:550px}.question-text{font-size:1.1em}.option-button{padding:10px;min-height:55px;font-size:.9em}}@media (max-width: 768px){.app-title{font-size:2.5rem;top:10px}}