:root{--bg-color: #0d0e12;--card-bg: rgba(255, 255, 255, .05);--accent-primary: #6366f1;--accent-secondary: #06b6d4;--text-main: #f8fafc;--text-muted: #94a3b8;--score-3: #10b981;--score-2: #3b82f6;--score-1: #f59e0b;--score-0: #ef4444;--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .8)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden}#root{width:100%;max-width:600px;padding:20px}.glass-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:24px;border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);padding:40px;text-align:center}h1{font-size:2.5rem;font-weight:800;margin-bottom:2rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.025em}.btn{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border:none;color:#fff;padding:12px 24px;border-radius:12px;font-weight:600;cursor:pointer;transition:transform .2s,opacity .2s;font-size:1rem}.btn:hover{opacity:.9;transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-outline{background:transparent;border:1px solid var(--accent-primary);color:var(--accent-primary)}.btn-mini{background:#ffffff1a;border:1px solid var(--glass-border);color:#fff;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;transition:all .2s}.btn-mini:hover{background:var(--accent-primary);border-color:var(--accent-primary)}.settings-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2rem;text-align:left}.setting-item{display:flex;justify-content:space-between;align-items:center;background:#ffffff08;padding:12px 20px;border-radius:16px}.toggle{position:relative;display:inline-block;width:50px;height:24px}.toggle input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#334155;transition:.4s;border-radius:24px}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--accent-primary)}input:checked+.slider:before{transform:translate(26px)}.game-header{display:flex;justify-content:space-between;margin-bottom:2rem}.stat-box{background:#ffffff0d;padding:10px 20px;border-radius:12px;border:1px solid var(--glass-border)}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}.stat-value{font-size:1.25rem;font-weight:700}.question-area{margin:2rem 0}.bug-name{font-size:1.5rem;font-weight:700;margin:0}.drug-name{font-size:1.75rem;font-weight:800;color:var(--accent-secondary);margin:0}.class-tag{display:inline-block;font-size:.75rem;padding:4px 8px;border-radius:4px;background:#ffffff1a;color:var(--text-muted);margin:.5rem 0}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:2rem}.option-btn{background:#ffffff0d;border:1px solid var(--glass-border);padding:20px;border-radius:16px;color:#fff;font-weight:600;cursor:pointer;transition:all .2s}.option-btn:hover{background:#ffffff1a;border-color:var(--accent-primary)}.option-0{border-left:4px solid var(--score-0)}.option-1{border-left:4px solid var(--score-1)}.option-2{border-left:4px solid var(--score-2)}.option-3{border-left:4px solid var(--score-3)}.timer-bar{height:4px;background:#ffffff1a;border-radius:2px;margin-top:1rem;overflow:hidden}.timer-progress{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));transition:width .1s linear}.feedback{margin-top:1rem;font-weight:600;height:24px}.leaderboard-table{width:100%;border-collapse:collapse;margin:2rem 0}.leaderboard-table th,.leaderboard-table td{padding:12px;text-align:left;border-bottom:1px solid var(--glass-border)}.leaderboard-table th{color:var(--text-muted);font-size:.875rem}.input-name{background:#ffffff0d;border:1px solid var(--glass-border);color:#fff;padding:12px;border-radius:8px;width:100%;margin-bottom:1rem}