:root{--bg:#0b0f14;--bg-glow:#12261f;--surface:#121821;--surface-alt:#151c26;--border:#1f2935;--text:#e8eef5;--muted:#7d8a99;--accent:#34e89e;--snake-head:#7dffc4;--snake-tail:#0fb5ae;--food:#ff4d6d;--radius:18px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{overscroll-behavior:none;height:100%;margin:0}body{background:radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg-glow), transparent 70%), var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{--gutter:16px;--chrome:130px;min-height:100dvh;padding:max(var(--gutter), env(safe-area-inset-top)) var(--gutter) max(var(--gutter), env(safe-area-inset-bottom));flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.hud,.board{width:min(100%, 560px, calc(100dvh - var(--chrome)))}.hud{grid-template-columns:1fr auto 1fr;align-items:end;display:grid}.title{letter-spacing:.32em;text-transform:uppercase;color:var(--accent);margin:0;padding-left:.32em;font-size:1.15rem;font-weight:700}.stat{flex-direction:column;gap:2px;display:flex}.stat-right{align-items:flex-end}.stat-label{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:.68rem}.stat-value{font-variant-numeric:tabular-nums;font-size:1.6rem;font-weight:700;line-height:1}.stat-value.bump{animation:.22s ease-out bump}@keyframes bump{40%{color:var(--accent);transform:scale(1.25)}}.board{aspect-ratio:1;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);touch-action:none;position:relative;overflow:hidden;box-shadow:0 30px 60px -20px #0009,inset 0 0 0 1px #ffffff05}.board.shake{animation:.36s ease-in-out shake}@keyframes shake{20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}canvas{width:100%;height:100%;display:block}.overlay{text-align:center;-webkit-backdrop-filter:blur(6px);background:#0b0f14b8;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;transition:opacity .18s;display:flex;position:absolute;inset:0}.overlay[hidden]{opacity:0;pointer-events:none;display:flex}.overlay-title{letter-spacing:-.02em;margin:0;font-size:clamp(1.8rem,7vw,2.6rem);font-weight:800}.overlay-text{color:var(--muted);margin:0 0 8px;font-size:.95rem;line-height:1.5}.overlay-text:empty{display:none}.btn{font:inherit;color:#04120c;background:var(--accent);cursor:pointer;box-shadow:0 8px 24px -8px var(--accent);border:0;border-radius:999px;padding:12px 34px;font-size:1rem;font-weight:700;transition:transform .12s,filter .12s}.btn:hover{filter:brightness(1.08)}.btn:active{transform:scale(.96)}.btn:focus-visible,.pause-btn:focus-visible{outline:2px solid var(--text);outline-offset:3px}.pause-btn{border:1px solid var(--border);width:36px;height:36px;color:var(--muted);cursor:pointer;background:#121821b3;border-radius:10px;place-items:center;padding:0;transition:color .12s;display:grid;position:absolute;top:10px;right:10px}.pause-btn:hover{color:var(--text)}.pause-btn svg{fill:currentColor;width:16px;height:16px}.pause-btn[hidden]{display:none}.hint{min-height:1.2em;color:var(--muted);text-align:center;margin:0;font-size:.8rem}@media (prefers-reduced-motion:reduce){.board.shake,.stat-value.bump{animation:none}}