@import"https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap";:root{font-family:Inter,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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.login-container{text-align:center;padding:3rem;background-color:#f9f9f9;border-radius:10px;box-shadow:0 4px 12px #0000001a;max-width:400px;margin:auto;font-family:Roboto,sans-serif}.login-header{font-size:2.5rem;color:#2c3e50;margin-bottom:1rem}.login-subheading{font-size:1.2rem;color:#7f8c8d;margin-bottom:2rem}.username-input{width:80%;padding:12px;font-size:1rem;margin-bottom:1.5rem;border:2px solid #ddd;border-radius:8px;outline:none;transition:border-color .3s ease}.username-input:focus{border-color:#007bff}.start-button{padding:12px 30px;font-size:1.1rem;background-color:#007bff;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background-color .3s ease,transform .3s ease}.start-button:hover{background-color:#0056b3;transform:scale(1.05)}.start-button:focus{outline:none}.quiz-container{text-align:center;padding:2rem;background-color:#f3f4f6;border-radius:8px;box-shadow:0 4px 10px #0000001a;max-width:600px;margin:auto}.quiz-header{font-size:2.5rem;margin-bottom:1.5rem;color:#333}.welcome-message{font-size:1.5rem;color:#555;margin-bottom:1.5rem}.question-container{margin-bottom:2rem}.question-text{font-size:1rem;margin-bottom:1rem;opacity:1;transition:opacity .5s ease-in-out}.fade-in{opacity:1}.fade-out{opacity:0}.options-container{display:flex;flex-direction:column;align-items:flex-start}.option{margin:.5rem 0}label{font-size:1.2rem;cursor:pointer}.navigation-buttons{margin-top:1.5rem}button{padding:10px 20px;font-size:1rem;border:none;border-radius:5px;cursor:pointer;transition:all .3s ease;margin:0 10px}button:disabled{background-color:#ccc;cursor:not-allowed}.prev-button{background-color:#007bff;color:#fff}.prev-button:hover:not(:disabled){transform:scale(1.05);background-color:#0056b3}.next-button{background-color:#28a745;color:#fff}.next-button:hover:not(:disabled){transform:scale(1.05);background-color:#218838}.submit-button{background-color:#ffc107;color:#fff;margin-top:2rem;font-size:1.2rem}.submit-button:hover:not(:disabled){transform:scale(1.05);background-color:#e0a800}.feedback-container{background-color:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 6px #0000001a;margin-top:20px;text-align:center}.feedback-header{font-size:2rem;color:#333}.incorrect-answers-list{margin-top:20px;text-align:center;max-width:800px;margin-left:auto;margin-right:auto}.incorrect-answer{background-color:#e0d998;padding:10px;margin:10px 0;border-radius:8px}.incorrect-answer p{margin:5px 0}.correct-answer{background-color:#f9c0c0;padding:10px;margin:10px 0;border-radius:8px}.correct-answer p{margin:5px 0}.quiz-container{font-family:Arial,sans-serif;background-color:#f0f4f8;padding:20px;max-width:800px;margin:0 auto;border-radius:10px;box-shadow:0 4px 8px #0000001a}.quiz-header{font-size:2rem;text-align:center;margin-bottom:10px}.welcome-message{font-size:1.2rem;text-align:center}.question-container{margin-bottom:20px}.option{margin:10px 0}input[type=radio]{margin-right:10px}.navigation-buttons{display:flex;justify-content:space-between;margin-top:20px}button{padding:10px 20px;font-size:1rem;border:none;border-radius:5px;cursor:pointer;transition:all .3s ease-in-out}button:hover{transform:scale(1.05);background-color:#4caf50;color:#fff}.submit-button{background-color:#4caf50;color:#fff;width:50%;margin-top:20px}.fixed-buttons{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;justify-content:space-around;width:100%;max-width:600px;padding:0 20px;z-index:10}.show-correct-answers-button,.show-incorrect-answers-button{background-color:#0d8bf0;color:#fff;padding:10px 20px;border-radius:5px}.show-correct-answers-button:hover,.show-incorrect-answers-button:hover{background-color:#0d8bf0}.feedback-container{margin-top:20px}.score-summary{text-align:center}.restart-button{background-color:#f44336;color:#fff;width:50%;padding:10px;margin-top:20px;border-radius:5px}.restart-button:hover{background-color:#d32f2f}.quiz-container{display:flex;flex-direction:column;align-items:center;padding:20px;font-family:Arial,sans-serif}.timer-container{display:flex;justify-content:center;align-items:center;width:100%;margin-bottom:20px}.timer-text{font-size:24px;font-weight:700;color:#e74c3c;background-color:#fffc;padding:10px 20px;border-radius:8px;box-shadow:0 4px 6px #0000001a;transition:all .3s ease-in-out}.timer-text.warning{color:#f39c12;background-color:#ffffffe6}.timer-text.time-up{color:#fff;background-color:#c0392b;box-shadow:none;text-decoration:underline}@media (max-width: 600px){.timer-text{font-size:20px;padding:8px 16px}}.quiz-container{display:flex;flex-direction:column;align-items:center;padding:20px;font-family:Arial,sans-serif;background-color:#f9f9f9}.quiz-header{font-size:2rem;font-weight:700;margin-bottom:20px;color:#333}.question-container{background-color:#fff;margin:20px 0;padding:20px;border-radius:8px;box-shadow:0 2px 6px #0000001a;width:100%;max-width:600px}.question-text{font-size:1rem;margin-bottom:15px;color:#333}.options-container{display:flex;flex-direction:column}.option{margin:10px 0;font-size:1rem;color:#555}.option input{margin-right:10px;cursor:pointer}.option label{cursor:pointer}.option input:checked+label{font-weight:700;color:#13660b}.score-container{text-align:center;margin:2rem;padding:2rem;background-color:#f9f9f9;border-radius:8px;box-shadow:0 4px 6px #0000001a}.score-header{font-size:2.5rem;color:#333;margin-bottom:1rem}.score-message{font-size:1.5rem;color:#555}.score{font-weight:700;font-size:2rem;color:tomato}.feedback{font-size:1.2rem;color:#4caf50;margin-top:.5rem}.restart-button{padding:10px 20px;font-size:1rem;background-color:#007bff;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease}.restart-button:hover{background-color:#0056b3}