*{margin:0;padding:0;box-sizing:border-box}html,body{overflow:hidden;width:100%;height:100%;position:fixed;touch-action:none}body{background:#0a0a12;font-family:Segoe UI,system-ui,sans-serif;color:#e8e8f0;-webkit-user-select:none;user-select:none}canvas{display:block}#ui{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}#hud{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:flex-start;opacity:0;transition:opacity .5s;pointer-events:none}.hud-left{display:flex;gap:12px;flex-wrap:wrap}.hud-pause-btn{pointer-events:all;width:44px;height:44px;padding:0;border-radius:12px;font-size:1.1rem;letter-spacing:0;background:#0a0a14bf;border:1px solid rgba(120,100,200,.35);box-shadow:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);line-height:1}.hud-pause-btn:hover{background:#1e1932e6;transform:scale(1.05);box-shadow:0 0 16px #7864c840}#hud.visible{opacity:1}.hud-item{background:#0a0a14bf;border:1px solid rgba(120,100,200,.3);border-radius:12px;padding:12px 20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hud-item .label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:2px;color:#88a;margin-bottom:4px}#score{font-size:28px;font-weight:700;color:#a8f0ff}#danger-bar{width:120px;height:12px;background:#281414cc;border-radius:6px;overflow:hidden;border:1px solid rgba(200,60,60,.4)}#danger-fill{height:100%;width:0%;background:linear-gradient(90deg,#f64,#f24);border-radius:6px;transition:width .15s ease-out}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#140a28eb,#05050ff7);pointer-events:all;text-align:center;padding:20px}.overlay.hidden{display:none}.overlay h1{font-size:clamp(2rem,6vw,3.5rem);font-weight:800;letter-spacing:4px;color:#f46;text-shadow:0 0 40px rgba(255,50,80,.5);margin-bottom:12px}#start-screen h1{animation:titleEnter .9s cubic-bezier(.22,1,.36,1) both,titleGlow 2.4s ease-in-out .9s infinite,titleShake 4s ease-in-out 1.5s infinite}@keyframes titleEnter{0%{opacity:0;transform:translateY(-28px) scale(.88);letter-spacing:12px;filter:blur(6px)}to{opacity:1;transform:translateY(0) scale(1);letter-spacing:4px;filter:blur(0)}}@keyframes titleGlow{0%,to{color:#f46;text-shadow:0 0 20px rgba(255,50,80,.45),0 0 50px rgba(255,30,60,.25)}50%{color:#f68;text-shadow:0 0 35px rgba(255,60,90,.85),0 0 70px rgba(255,30,60,.45),0 0 100px rgba(180,0,40,.2)}}@keyframes titleShake{0%,88%,to{translate:0 0}90%{translate:-3px 0}92%{translate:3px 0}94%{translate:-2px 0}96%{translate:2px 0}}.overlay .subtitle{font-size:1.1rem;color:#99b;margin-bottom:12px;max-width:400px;line-height:1.6}.best-score{font-size:.95rem;color:#8cf;margin-bottom:24px;min-height:1.2em}.game-over-buttons{display:flex;flex-direction:column;gap:14px;align-items:center}#final-score{margin-bottom:8px}#best-score-gameover{margin-bottom:28px}.controls-info{background:#14142899;border:1px solid rgba(100,80,180,.25);border-radius:12px;padding:24px 28px;margin-bottom:32px;text-align:left;color:#aac;font-size:.95rem;display:flex;flex-direction:column;gap:14px}kbd{display:inline-block;background:#3c326480;border:1px solid rgba(120,100,200,.4);border-radius:4px;padding:2px 8px;font-family:inherit;font-size:.85rem;color:#cce}.mobile-hint{margin-top:4px;font-size:.85rem;color:#668;font-style:italic;line-height:1.5}button{pointer-events:all;background:linear-gradient(135deg,#f46,#c24);border:none;border-radius:50px;padding:16px 48px;font-size:1.2rem;font-weight:700;letter-spacing:3px;color:#fff;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 30px #ff325066}button:hover{transform:scale(1.05);box-shadow:0 6px 40px #ff325099}button:active{transform:scale(.98)}.btn-secondary{background:transparent;border:2px solid rgba(255,100,120,.5);box-shadow:none}.btn-secondary:hover{background:#ff325026;box-shadow:0 0 24px #ff325033}.pause-title{font-size:clamp(1.8rem,5vw,2.8rem);color:#a8b0ff;text-shadow:0 0 30px rgba(120,100,255,.4);animation:none;margin-bottom:36px}.pause-buttons{display:flex;flex-direction:column;gap:14px;align-items:center}.audio-toggles{display:flex;gap:12px;justify-content:center;margin-bottom:24px;flex-wrap:wrap}#start-screen .audio-toggles{margin-top:8px;margin-bottom:20px}#pause-screen .audio-toggles{margin-bottom:28px}.audio-toggle{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:120px;padding:12px 18px;font-size:.9rem;background:#141428d9;border:2px solid rgba(120,100,255,.45);box-shadow:0 0 20px #7864ff26}.audio-toggle .audio-toggle-label{font-weight:700;letter-spacing:.04em}.audio-toggle .audio-toggle-state{font-size:.78rem;color:#8ca;font-weight:400}.audio-toggle.is-off{border-color:#ff647859;box-shadow:none;opacity:.75}.audio-toggle.is-off .audio-toggle-state{color:#866}.audio-toggle:hover{background:#281e3ce6}.pause-hint{margin-top:28px;font-size:.85rem;color:#668}#final-score{font-size:1.3rem;color:#a8f0ff}@media(max-width:600px){.controls-info kbd{display:none}.controls-info div:not(.mobile-hint){display:none}}