:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none}.game-container{width:100vw;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.hud{display:flex;gap:2rem;margin-bottom:.75rem;font-size:1rem;font-weight:600;z-index:10}.hud-item{display:flex;align-items:center;gap:.4rem}.hud-icon{font-size:1.25rem}.hud-value{font-variant-numeric:tabular-nums;min-width:2ch}.level-banner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:3rem;font-weight:800;letter-spacing:-.03em;color:#fff;text-shadow:0 0 40px rgba(255,200,50,.6);z-index:20;animation:bannerPop 1s ease-out forwards;pointer-events:none}@keyframes bannerPop{0%{transform:translate(-50%,-50%) scale(.3);opacity:0}30%{transform:translate(-50%,-50%) scale(1.15);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:0}}.game-board{position:relative;border:2px solid rgba(255,255,255,.15);border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#111,#1a1a2e);box-shadow:0 0 60px #00000080,inset 0 0 80px #0000004d}.cell{position:absolute;border-radius:4px;transition:none}.player{z-index:5;border-radius:50%;background:radial-gradient(circle at 35% 35%,#7dff7d,#2ecc40 60%,#1a9c2a);box-shadow:0 0 12px #2ecc4080}.player-eye{position:absolute;width:22%;height:22%;background:#fff;border-radius:50%;top:25%}.player-eye:after{content:"";position:absolute;width:50%;height:50%;background:#111;border-radius:50%;top:30%;left:30%}.player-eye.left{left:22%}.player-eye.right{right:22%}.apple{z-index:3;display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell-size) * .7);filter:drop-shadow(0 0 6px rgba(255,50,50,.4));animation:appleBob 1.2s ease-in-out infinite}@keyframes appleBob{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.obstacle{z-index:4;border-radius:6px;background:linear-gradient(135deg,#f44,#c00);box-shadow:0 0 10px #f006;animation:obstaclePulse .8s ease-in-out infinite}@keyframes obstaclePulse{0%,to{box-shadow:0 0 10px #f006}50%{box-shadow:0 0 18px #ff0000b3}}.bonus{z-index:3;display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell-size) * .65);filter:drop-shadow(0 0 8px rgba(255,215,0,.6));animation:bonusSpin 2s linear infinite}@keyframes bonusSpin{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.1)}to{transform:rotate(360deg) scale(1)}}.eat-effect{position:absolute;z-index:10;pointer-events:none;font-size:1.2rem;font-weight:700;color:#fc0;text-shadow:0 0 8px rgba(255,200,0,.6);animation:eatFloat .6s ease-out forwards}@keyframes eatFloat{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-30px) scale(1.3)}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:50;border-radius:12px}.overlay h2{font-size:2.5rem;margin:0 0 .5rem;letter-spacing:-.03em}.overlay p{margin:0 0 1.5rem;color:#fff9;font-size:1rem}.btn{padding:.75rem 2rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;background:linear-gradient(135deg,#2ecc40,#27ae60);color:#fff;transition:transform .1s,box-shadow .1s;box-shadow:0 4px 15px #2ecc404d}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2ecc4066}.btn:active{transform:translateY(0)}.mobile-controls{display:none;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);z-index:30}.mobile-controls .d-pad{display:grid;grid-template-columns:56px 56px 56px;grid-template-rows:56px 56px 56px;gap:4px}.d-btn{width:56px;height:56px;border:none;border-radius:10px;background:#ffffff1f;color:#fff;font-size:1.4rem;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.d-btn:active{background:#ffffff40}.d-btn.up{grid-column:2;grid-row:1}.d-btn.left{grid-column:1;grid-row:2}.d-btn.right{grid-column:3;grid-row:2}.d-btn.down{grid-column:2;grid-row:3}@media(max-width:700px)or (pointer:coarse){.mobile-controls{display:block}}.combo-text{position:absolute;top:.5rem;left:50%;transform:translate(-50%);font-size:1.1rem;font-weight:700;color:#ff6b6b;text-shadow:0 0 10px rgba(255,100,100,.5);z-index:15;animation:comboPop .4s ease-out;pointer-events:none}@keyframes comboPop{0%{transform:translate(-50%) scale(.5);opacity:0}60%{transform:translate(-50%) scale(1.2)}to{transform:translate(-50%) scale(1);opacity:1}}.score-popup{position:absolute;z-index:15;font-size:1rem;font-weight:700;color:#fc0;text-shadow:0 0 6px rgba(255,200,0,.5);pointer-events:none;animation:scoreUp .7s ease-out forwards}@keyframes scoreUp{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-35px) scale(1.2)}}