@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;700&family=Rajdhani:wght@500;600;700&display=swap";:root{--bg: #0A0A0F;--surface: #15151D;--primary: #F97316;--primary-dark: #EA580C;--accent: #FB923C;--text: #FAFAFA;--text-muted: #A1A1AA;--border: #27272A;--success: #22C55E;--warning: #F59E0B;--danger: #EF4444;--radius: 8px;--shadow: 0 12px 36px rgba(0,0,0,.4), 0 0 28px #F9731626;--glow-shadow: 0 0 15px var(--primary);--text-glow: 0 0 10px var(--accent)}body{margin:0;padding:0;box-sizing:border-box;background:linear-gradient(135deg,#0a0a0f,#15151d),repeating-linear-gradient(0deg,transparent,transparent 49px,#F973160a 50px),var(--bg);color:var(--text);font-family:IBM Plex 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rgba(251,146,60,.6))}.high-score-display{font-size:1.2em;color:var(--text-muted);margin-bottom:40px;display:flex;align-items:center;gap:8px}.start-button,.wrong-answers-button,.next-button,.restart-button,.back-button,.generate-button{background:var(--primary);color:var(--text);border:none;padding:15px 30px;border-radius:var(--radius);font-size:1.2em;font-weight:700;cursor:pointer;transition:background .3s ease,transform .2s ease,box-shadow .3s ease;display:flex;align-items:center;gap:10px;margin-top:20px;box-shadow:var(--glow-shadow)}.start-button:hover,.wrong-answers-button:hover,.next-button:hover,.restart-button:hover,.back-button:hover,.generate-button:hover{background:var(--primary-dark);box-shadow:0 0 20px var(--primary)}.wrong-answers-button{background:var(--surface);border:1px solid var(--border);color:var(--text-muted);box-shadow:none}.wrong-answers-button:hover{background:rgba(var(--primary),.1);color:var(--primary);box-shadow:0 0 10px rgba(var(--primary),.3)}.quiz-screen{background-size:cover;background-position:center;background-repeat:no-repeat;position:relative}.quiz-screen:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:0}.quiz-header{position:relative;z-index:1;width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:0 10px}.score-display,.question-count{font-size:1.2em;font-weight:500;color:var(--text)}.progress-bar-container{width:60%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin:0 15px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:4px;transition:width .5s ease-out}.question-card{position:relative;z-index:1;background:rgba(var(--surface),.9);border:1px solid var(--border);border-radius:var(--radius);padding:30px;width:90%;max-width:500px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.question-text{font-family:Rajdhani,sans-serif;font-size:1.8em;margin-bottom:30px;color:var(--accent);text-shadow:0 0 8px rgba(var(--accent),.5);line-height:1.4}.options-grid{display:grid;grid-template-columns:1fr;gap:15px}.option-button{background:var(--border);color:var(--text);border:none;padding:15px 20px;border-radius:var(--radius);font-size:1.1em;text-align:left;cursor:pointer;transition:background .3s ease,transform .2s ease,border-color .3s ease;border:1px solid transparent}.option-button:hover:not(:disabled){background:rgba(var(--primary),.15);border-color:var(--primary);transform:translateY(-2px)}.option-button.correct{background:var(--success);border-color:var(--success);color:var(--bg);font-weight:700;box-shadow:0 0 15px rgba(var(--success),.5)}.option-button.incorrect{background:var(--danger);border-color:var(--danger);color:var(--bg);font-weight:700;box-shadow:0 0 15px rgba(var(--danger),.5)}.option-button:disabled{cursor:not-allowed;opacity:.7}.feedback-section{margin-top:30px;padding-top:20px;border-top:1px dashed var(--border);display:flex;flex-direction:column;align-items:center;gap:15px}.feedback-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:var(--bg)}.feedback-icon.correct{background:var(--success)}.feedback-icon.incorrect{background:var(--danger)}.explanation-text{font-size:1em;color:var(--text-muted);line-height:1.6}.next-button{margin-top:20px}.game-over-title{font-family:Rajdhani,sans-serif;font-size:3em;color:var(--primary);text-shadow:var(--text-glow);margin-bottom:20px}.trophy-image{width:180px;height:180px;object-fit:contain;margin-bottom:20px;filter:drop-shadow(0 0 20px rgba(249,115,22,.8))}.trophy-icon{color:var(--primary);width:96px;height:96px;margin-bottom:20px;filter:drop-shadow(0 0 15px rgba(249,115,22,.6))}.final-score{font-size:1.8em;color:var(--text);margin-bottom:10px}.score-number{color:var(--accent);font-weight:700;margin-left:10px}.your-rank{font-size:1.5em;color:var(--text-muted);margin-bottom:15px}.rank-title{color:var(--primary);font-weight:700;text-shadow:0 0 5px rgba(var(--primary),.5)}.best-score{font-size:1.1em;color:var(--text-muted);margin-bottom:25px}.new-high-score{font-size:1.3em;color:var(--accent);font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:30px}.game-over-actions{display:flex;flex-direction:column;gap:15px;width:100%;max-width:300px}.wrong-answers-screen{justify-content:flex-start;padding-top:50px}.wrong-answers-title{font-family:Rajdhani,sans-serif;font-size:2.5em;color:var(--accent);text-shadow:var(--text-glow);margin-bottom:30px;display:flex;align-items:center;gap:15px}.no-wrong-answers{font-size:1.2em;color:var(--text-muted);margin-top:50px}.wrong-questions-list{width:100%;max-height:400px;overflow-y:auto;padding-right:10px;margin-bottom:30px}.wrong-questions-list::-webkit-scrollbar{width:8px}.wrong-questions-list::-webkit-scrollbar-track{background:var(--border);border-radius:4px}.wrong-questions-list::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}.wrong-question-item{background:var(--border);border-radius:var(--radius);padding:20px;margin-bottom:15px;text-align:left;border:1px solid rgba(var(--primary),.2)}.wrong-question-text{font-size:1.1em;font-weight:500;color:var(--text);margin-bottom:10px}.wrong-answer-info,.correct-answer-info,.explanation-info{font-size:.95em;color:var(--text-muted);margin-bottom:5px;line-height:1.5}.wrong-answer-info .incorrect{color:var(--danger);font-weight:500}.correct-answer-info .correct{color:var(--success);font-weight:500}.explanation-info .explanation-label{font-weight:500;color:var(--accent)}.back-button,.generate-button{width:100%;max-width:300px}.generate-button{background:var(--accent);box-shadow:0 0 15px rgba(var(--accent),.6)}.generate-button:hover{background:var(--primary);box-shadow:0 0 20px var(--primary)}