html,body{margin:0;padding:0;min-height:100%;background:radial-gradient(120% 90% at 50% 0%,#141d42 0%,#0a0a18 70%);
  color:#e2e8f0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  display:flex;flex-direction:column;align-items:center;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
#stage{width:min(96vw,520px);display:flex;flex-direction:column;align-items:center}
#hud{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:10px 0 8px;font-size:.9rem;font-weight:700}
#hud .chip{background:rgba(20,26,53,.85);border:1px solid #2b3564;border-radius:999px;padding:5px 12px}
#hud .coin-chip{background:rgba(250,204,21,.1);border:1px solid rgba(250,204,21,.5);border-radius:999px;padding:5px 12px;color:#facc15;
  text-shadow:0 0 10px rgba(250,204,21,.45)}
#gamewrap{position:relative;line-height:0}
canvas{width:min(92vw,calc(58vh * .75));border-radius:12px;border:1px solid rgba(34,211,238,.25);
  box-shadow:0 0 28px rgba(34,211,238,.12),0 10px 40px rgba(0,0,0,.5);touch-action:none}
/* 破纪录: 全屏边框辉光扫过 + 大数字定帧 */
#recordFx{position:absolute;inset:0;display:none;align-items:center;justify-content:center;pointer-events:none;
  border-radius:12px;border:3px solid #ffd54a;box-shadow:0 0 40px rgba(250,204,21,.8),inset 0 0 40px rgba(250,204,21,.35);
  animation:recglow 1.1s ease-out}
#recordFx b{font-size:clamp(3rem,14vw,5rem);color:#ffd54a;text-shadow:0 0 30px rgba(250,204,21,.9)}
#recordFx.show{display:flex}
@keyframes recglow{0%{opacity:0;transform:scale(.92)}25%{opacity:1;transform:scale(1)}80%{opacity:1}100%{opacity:0}}
/* 商店: 玻璃拟态横条 */
#shop{display:flex;flex-direction:column;gap:8px;width:min(92vw,calc(58vh * .75));margin:10px 0 6px}
.card{display:flex;align-items:center;gap:10px;min-height:52px;padding:8px 12px;
  background:rgba(20,26,53,.72);border:1px solid #2b3564;border-radius:12px;cursor:pointer;
  color:#e2e8f0;font:inherit;text-align:left;transition:border-color .15s,box-shadow .2s,transform .1s}
.card:disabled{opacity:.45;cursor:default}
.card:not(:disabled){border-color:rgba(34,211,238,.55);animation:breathe 2.2s ease-in-out infinite}
.card:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(34,211,238,.2)}
@keyframes breathe{0%,100%{box-shadow:0 0 0 rgba(34,211,238,0)}50%{box-shadow:0 0 12px rgba(34,211,238,.35)}}
.card .ic{font-size:1.3rem}
.card .tx{flex:1;display:flex;flex-direction:column}
.card .nm{font-weight:700;font-size:.92rem}
.card .lv{font-size:.75rem;opacity:.6}
.card .cost{font-weight:800;color:#facc15;text-shadow:0 0 8px rgba(250,204,21,.4)}
.card.bought{animation:boughtpop .25s ease-out}
@keyframes boughtpop{0%{transform:scale(1)}50%{transform:scale(1.04)}100%{transform:scale(1)}}
#msgline{min-height:20px;font-size:.8rem;color:#7c8db5;margin-bottom:10px;text-align:center}
/* 欢迎回来: 全屏玻璃拟态 + 金币雨 */
#welcome{position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(5,5,20,.88);backdrop-filter:blur(4px);z-index:20}
#welcome.show{display:flex}
#welcome .panel{background:rgba(20,26,53,.9);border:1px solid rgba(250,204,21,.4);border-radius:16px;
  padding:26px 34px;text-align:center;box-shadow:0 0 40px rgba(250,204,21,.15);animation:panelin .4s cubic-bezier(.2,1.4,.4,1)}
@keyframes panelin{from{transform:translateY(30px) scale(.85);opacity:0}to{transform:none;opacity:1}}
#welcome h2{margin:0 0 6px;font-size:1.3rem;background:linear-gradient(135deg,#22d3ee,#a78bfa);
  -webkit-background-clip:text;background-clip:text;color:transparent}
#welcome p{margin:0 0 10px;color:#94a3b8;font-size:.9rem}
#wGain{font-size:2rem;font-weight:900;color:#facc15;text-shadow:0 0 16px rgba(250,204,21,.6);margin-bottom:14px}
#wClaim{font:inherit;font-weight:800;min-height:44px;padding:10px 34px;border:0;border-radius:10px;
  background:linear-gradient(135deg,#facc15,#f97316);color:#231a00;cursor:pointer;
  box-shadow:0 0 18px rgba(250,204,21,.45)}
.cfrain{position:fixed;top:-4%;width:8px;height:12px;border-radius:2px;pointer-events:none;z-index:21;
  animation:cfall 1.2s ease-in forwards}
@keyframes cfall{0%{transform:translate(0,0) rotate(0);opacity:1}
  100%{transform:translate(var(--dx),60vh) rotate(560deg);opacity:0}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}