*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;background:#05070d;overflow:hidden}
body{font-family:system-ui,-apple-system,sans-serif;color:#eafff3;display:flex;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
#wrap{position:relative;width:100%;max-width:520px;height:100vh;height:100dvh;overflow:hidden;background:#0a0e1a;touch-action:none}
#c{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
#vig{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 45%,transparent 55%,rgba(0,0,0,.5) 100%)}
#flash{position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at center,rgba(255,40,60,.25),rgba(255,40,60,.55));transition:opacity .25s}
#flash.on{opacity:1;transition:opacity .03s}
#hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;padding:calc(10px + env(safe-area-inset-top)) 12px 8px;pointer-events:none;text-shadow:0 2px 8px rgba(0,0,0,.8)}
#depth{font-size:26px;font-weight:800}#biome{font-size:11px;opacity:.75;letter-spacing:2px;text-transform:uppercase}
#mid{display:flex;flex-direction:column;align-items:center;gap:6px;padding-top:4px}
#pips{font-size:15px;letter-spacing:4px;color:#ff8d9b}
#inkbar{width:110px;height:8px;border-radius:6px;background:rgba(255,255,255,.15);overflow:hidden;border:1px solid rgba(255,255,255,.25)}
#inkfill{height:100%;width:100%;background:linear-gradient(90deg,#5df2b8,#bfffe0);transition:width .12s linear}
#hr{text-align:right}#score{font-size:24px;font-weight:800}#best{font-size:10px;opacity:.7;letter-spacing:1.5px}
#btns{position:absolute;top:calc(74px + env(safe-area-inset-top));right:10px;display:flex;gap:8px}
#btns button{min-width:44px;min-height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(10,14,26,.55);color:#eafff3;font-size:16px;font-weight:700;cursor:pointer;touch-action:manipulation}
#toast{position:absolute;left:50%;bottom:12%;transform:translateX(-50%) translateY(8px);background:rgba(8,12,22,.82);border:1px solid rgba(93,242,184,.5);padding:10px 18px;border-radius:24px;font-size:14px;font-weight:700;letter-spacing:1.5px;max-width:92vw;text-align:center;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.panel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(4,6,12,.72);z-index:5;padding:20px}
.panel.hidden{display:none}
.card{text-align:center;background:rgba(14,20,36,.92);border:1px solid rgba(93,242,184,.35);border-radius:20px;padding:34px 30px;max-width:340px;width:100%}
.card h1{font-size:38px;letter-spacing:4px;font-weight:900;background:linear-gradient(180deg,#eafff3,#5df2b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.card h2{font-size:26px;letter-spacing:4px;margin-bottom:12px}
.sub{opacity:.8;margin:6px 0 16px;font-size:14px}.how{font-size:13px;line-height:1.9;opacity:.9;margin-bottom:20px}.how b{color:#5df2b8}
.card button{display:block;width:100%;margin-top:10px;padding:14px;border:none;border-radius:14px;font-size:17px;font-weight:800;letter-spacing:2px;background:linear-gradient(180deg,#5df2b8,#2b9d72);color:#062018;cursor:pointer}
.card button.ghost{background:transparent;border:1px solid rgba(255,255,255,.3);color:#eafff3}
.tiny{margin-top:14px;font-size:11px;opacity:.55}
#fScore{font-size:52px;font-weight:900;color:#ffd166}#fDet,#fBest{font-size:13px;opacity:.75;margin-top:4px}#fBest{margin-bottom:14px}