@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600;700&display=swap";:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;--bg-card-hover:#232340;--bg-glass:#1a1a2eb3;--text-primary:#e8e8f0;--text-secondary:#8888a8;--text-muted:#55556a;--accent-cyan:#00d4ff;--accent-purple:#8b5cf6;--accent-pink:#ec4899;--accent-green:#22c55e;--accent-orange:#f59e0b;--accent-red:#ef4444;--gradient-main:linear-gradient(135deg, #00d4ff 0%, #8b5cf6 50%, #ec4899 100%);--gradient-danger:linear-gradient(135deg, #ef4444 0%, #f97316 100%);--gradient-success:linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);--shadow-glow-cyan:0 0 20px #00d4ff4d;--shadow-glow-purple:0 0 20px #8b5cf64d;--shadow-card:0 8px 32px #0006;--border-subtle:1px solid #ffffff0f;--border-glow:1px solid #00d4ff33;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-slow:.5s ease;color:var(--text-primary);background-color:var(--bg-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:16px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);background-image:radial-gradient(at 20%,#00d4ff0d 0%,#0000 50%),radial-gradient(at 80%,#8b5cf60d 0%,#0000 50%),radial-gradient(at 50% 100%,#ec489908 0%,#0000 50%)}.app{flex-direction:column;width:100%;height:100%;display:flex;position:relative}.game-container{flex:1;width:100%;position:relative;overflow:hidden}.menu-overlay{z-index:100;background:var(--bg-primary);background-image:radial-gradient(at 30% 40%,#00d4ff14 0%,#0000 50%),radial-gradient(at 70% 60%,#8b5cf614 0%,#0000 50%),radial-gradient(at 50% 90%,#ec48990d 0%,#0000 50%);justify-content:center;align-items:center;animation:.6s menuFadeIn;display:flex;position:fixed;inset:0}@keyframes menuFadeIn{0%{opacity:0}to{opacity:1}}.menu-content{text-align:center;width:90%;max-width:560px;animation:.8s cubic-bezier(.16,1,.3,1) menuSlideUp}@keyframes menuSlideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.menu-icon{filter:drop-shadow(0 0 20px #ef444480);margin-bottom:.5rem;font-size:4rem;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.menu-title{background:var(--gradient-main);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:3rem;font-weight:900;line-height:1.1}.menu-subtitle{color:var(--text-secondary);margin-bottom:2.5rem;font-size:1rem;font-weight:400}.difficulty-grid{flex-direction:column;gap:12px;margin-bottom:1.5rem;display:flex}.difficulty-card{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);text-align:left;align-items:center;gap:16px;padding:18px 24px;display:flex;position:relative;overflow:hidden}.difficulty-card:before{content:"";border-radius:var(--radius-lg);transition:border-color var(--transition-normal);border:2px solid #0000;position:absolute;inset:0}.difficulty-card:hover{background:var(--bg-card-hover);box-shadow:var(--shadow-card);transform:translate(4px)}.difficulty-card:hover:before{border-color:var(--card-color,var(--accent-cyan))}.difficulty-card .card-icon{text-align:center;flex-shrink:0;width:48px;font-size:2rem}.difficulty-card .card-info{flex:1}.difficulty-card .card-label{color:var(--text-primary);margin-bottom:2px;font-size:1.1rem;font-weight:700}.difficulty-card .card-desc{color:var(--text-secondary);font-family:JetBrains Mono,monospace;font-size:.85rem}.difficulty-card .card-arrow{color:var(--text-muted);transition:all var(--transition-normal);font-size:1.2rem}.difficulty-card:hover .card-arrow{color:var(--card-color,var(--accent-cyan));transform:translate(4px)}.hud{z-index:50;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:var(--border-subtle);background:#0a0a0fd9;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:fixed;top:0;left:0;right:0}.hud-left,.hud-right{align-items:center;gap:16px;display:flex}.hud-center{align-items:center;gap:24px;display:flex}.hud-stat{background:var(--bg-card);border-radius:var(--radius-md);border:var(--border-subtle);align-items:center;gap:8px;padding:6px 14px;display:flex}.hud-stat .stat-icon{font-size:1.1rem}.hud-stat .stat-value{color:var(--text-primary);text-align:center;min-width:40px;font-family:JetBrains Mono,monospace;font-size:.95rem;font-weight:700}.hud-stat .stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.7rem}.hud-btn{background:var(--bg-card);color:var(--text-secondary);border:var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:6px;padding:8px 16px;font-family:Inter,sans-serif;font-size:.85rem;font-weight:600;display:flex}.hud-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:#ffffff1a}.hud-btn.primary{color:var(--accent-cyan);background:linear-gradient(135deg,#00d4ff26,#8b5cf626);border-color:#00d4ff33}.hud-btn.primary:hover{box-shadow:var(--shadow-glow-cyan);background:linear-gradient(135deg,#00d4ff40,#8b5cf640)}.difficulty-badge{text-transform:uppercase;letter-spacing:1px;border-radius:20px;padding:4px 12px;font-size:.75rem;font-weight:700}.difficulty-badge.easy{color:var(--accent-green);background:#22c55e26;border:1px solid #22c55e4d}.difficulty-badge.medium{color:var(--accent-orange);background:#f59e0b26;border:1px solid #f59e0b4d}.difficulty-badge.hard{color:var(--accent-red);background:#ef444426;border:1px solid #ef44444d}.game-over-overlay{z-index:80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000bf;justify-content:center;align-items:center;animation:.5s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.game-over-card{text-align:center;background:var(--bg-card);border-radius:var(--radius-xl);border:var(--border-subtle);box-shadow:var(--shadow-card);width:90%;max-width:420px;padding:48px;animation:.5s cubic-bezier(.16,1,.3,1) scaleIn}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.game-over-card .result-icon{margin-bottom:16px;font-size:4rem}.game-over-card .result-title{margin-bottom:8px;font-size:2rem;font-weight:800}.game-over-card .result-title.won{background:var(--gradient-success);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.game-over-card .result-title.lost{background:var(--gradient-danger);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.game-over-card .result-stats{justify-content:center;gap:24px;margin:24px 0;display:flex}.game-over-card .result-stat{text-align:center}.game-over-card .result-stat .stat-num{color:var(--accent-cyan);font-family:JetBrains Mono,monospace;font-size:1.5rem;font-weight:800}.game-over-card .result-stat .stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;font-size:.75rem}.game-over-card .result-actions{justify-content:center;gap:12px;margin-top:24px;display:flex}.game-over-card .result-actions .btn-play{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;padding:12px 28px;font-family:Inter,sans-serif;font-size:.95rem;font-weight:700}.btn-play.primary{background:var(--gradient-main);color:#fff;box-shadow:0 4px 15px #00d4ff4d}.btn-play.primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #00d4ff80}.btn-play.secondary{background:var(--bg-card-hover);color:var(--text-secondary);border:var(--border-subtle)}.btn-play.secondary:hover{color:var(--text-primary);background:#ffffff1a}.canvas-container{cursor:pointer;width:100%;height:100%}.loading-overlay{z-index:200;background:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:fixed;inset:0}.loading-spinner{border:3px solid var(--bg-card);border-top-color:var(--accent-cyan);border-radius:50%;width:48px;height:48px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-secondary);font-size:.9rem}@media (width<=768px){.hud{padding:8px 12px}.hud-center{gap:8px}.hud-stat{padding:4px 8px}.hud-stat .stat-value{font-size:.8rem}.hud-stat .stat-label{display:none}.menu-title{font-size:2rem}.game-over-card{padding:32px 24px}}