/* Layout: a glass jar floating in deep space, score row above it and the planet evolution chain below; everything else is play */
:root{
  --space:#0b0a22; --ink:#f5f1ff; --muted:#a8a2cf; --sun:#ffc94a; --nebula:#c056ff; --teal:#39e3d0; --danger:#ff4f7a;
  --card:rgba(26,22,64,.78); --edge:rgba(196,180,255,.22);
  --f-cn:"PingFang SC","Microsoft YaHei",sans-serif;
  --f-num:"Arial Rounded MT Bold","Trebuchet MS",sans-serif;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;overscroll-behavior:none}
body{margin:0;overflow:hidden;background:var(--space);color:var(--ink);font:15px/1.45 var(--f-cn);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--sun);outline-offset:2px}
#cv{position:fixed;inset:0;width:100%;height:100%;display:block}
.hud-top{position:fixed;left:0;right:0;top:0;z-index:3;display:flex;align-items:center;gap:12px;padding:calc(env(safe-area-inset-top,0px) + 10px) 16px 0;pointer-events:none}
.score{flex:1;min-width:0}
.score small,.best small,.next small{display:block;font-size:12px;color:var(--muted);letter-spacing:.12em}
.score b{display:block;font:700 40px/1 var(--f-num);letter-spacing:.01em;color:#fff;text-shadow:0 0 22px rgba(255,201,74,.45);font-variant-numeric:tabular-nums;transition:transform .12s}
.score b.bump{transform:scale(1.12)}
.best{text-align:right}
.best b{font:600 18px/1 var(--f-num);color:var(--sun);font-variant-numeric:tabular-nums}
.next{display:flex;flex-direction:column;align-items:center;gap:2px}
.next canvas{width:44px;height:44px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%)}
.ib{pointer-events:auto;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--card);border:1px solid var(--edge)}
.ib svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.chain{position:fixed;left:50%;transform:translateX(-50%);z-index:3;display:flex;align-items:center;gap:2px;padding:6px 8px;border-radius:999px;background:var(--card);border:1px solid var(--edge);pointer-events:none;max-width:calc(100% - 32px)}
.chain img{width:min(22px,calc((100vw - 110px) / 12));height:auto;aspect-ratio:1;opacity:.28;filter:grayscale(.7);transition:opacity .3s,transform .3s}
.chain img.got{opacity:1;filter:none}
.chain img.current{transform:scale(1.25)}
.chain i{width:3px;height:1px;background:rgba(255,255,255,.25);flex:none}
#hint{position:fixed;left:50%;top:42%;transform:translate(-50%,-50%);z-index:4;width:min(calc(100% - 32px),340px);text-align:center;padding:16px 18px;border-radius:20px;background:rgba(14,12,40,.86);border:1px solid var(--edge);pointer-events:none;animation:float 2.4s ease-in-out infinite}
#hint b{display:block;font-size:20px;color:var(--sun);margin-bottom:6px}
#hint p{margin:0;font-size:13.5px;color:#dcd6ff}
@keyframes float{50%{transform:translate(-50%,calc(-50% - 6px))}}
.toast{position:fixed;left:50%;top:22%;transform:translateX(-50%) scale(.9);z-index:6;pointer-events:none;text-align:center;opacity:0;transition:opacity .25s,transform .25s}
.toast.show{opacity:1;transform:translateX(-50%) scale(1)}
.toast b{display:block;font-size:30px;color:var(--sun);text-shadow:0 0 24px rgba(255,201,74,.7),0 3px 0 rgba(90,40,0,.6);letter-spacing:.08em}
.toast small{font-size:14px;color:#e8e2ff}
.modal{position:fixed;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:calc(env(safe-area-inset-top,0px) + 16px) 16px calc(env(safe-area-inset-bottom,0px) + 16px);background:rgba(6,5,20,.7);backdrop-filter:blur(4px);touch-action:pan-y}
.box{width:min(100%,380px);max-height:100%;overflow-y:auto;border-radius:26px;padding:22px 18px 18px;background:linear-gradient(180deg,#221c5a,#14113a);border:1.5px solid var(--edge);box-shadow:0 24px 60px rgba(0,0,0,.6);display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;animation:pop .35s cubic-bezier(.2,1.5,.4,1) both}
@keyframes pop{from{transform:scale(.86);opacity:0}to{transform:none;opacity:1}}
.box h2{margin:0;font-size:30px;font-weight:400;letter-spacing:.08em;color:var(--sun)}
.box p{margin:0;color:#d6d0f5;font-size:14px}
.big{font:700 54px/1 var(--f-num);color:#fff;text-shadow:0 0 30px rgba(255,201,74,.5);font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:linear-gradient(90deg,#ffdc7a,#ff9f3d);color:#3a1d00;font-size:13px}
.maxp{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:16px;background:rgba(255,255,255,.06)}
.maxp img{width:40px;height:40px}
.btns{display:flex;gap:10px;width:100%}
.btn{flex:1;height:50px;border-radius:18px;font-size:17px;letter-spacing:.08em;background:rgba(255,255,255,.08);border:1.5px solid var(--edge);box-shadow:0 4px 0 rgba(0,0,0,.35)}
.btn.go{background:linear-gradient(180deg,#ffe08a,#ffb13b 60%,#f08a1c);color:#3a1d00;border-color:#ffe9b0;box-shadow:0 4px 0 #8a4a0c}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.35)}
.rank{width:100%;display:flex;flex-direction:column;gap:6px}
.rank div{display:grid;grid-template-columns:2em 1fr auto;gap:10px;align-items:center;padding:8px 12px;border-radius:14px;background:rgba(255,255,255,.06);text-align:left}
.rank div.me{border:1.5px solid var(--sun)}
.rank em{font:700 16px/1 var(--f-num);font-style:normal;color:var(--sun);text-align:center}
.rank span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank small{font:600 16px/1 var(--f-num);font-variant-numeric:tabular-nums}
.toggle{display:flex;justify-content:space-between;align-items:center;width:100%;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.06)}
.toggle input{width:20px;height:20px;accent-color:#ffc94a}
.note{font-size:12px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.demo-nav{position:fixed;inset:auto 0 0;z-index:5;display:flex;justify-content:center;align-items:center;gap:16px;padding:7px 10px calc(env(safe-area-inset-bottom,0px) + 7px);font:12px/1.4 var(--f-cn);color:#aba3cd;background:rgba(11,10,34,.85)}
.demo-nav a,.box a{color:#eee5ff;text-decoration:none}.demo-nav a:hover,.box a:hover{text-decoration:underline}
.hud-top{max-width:580px;margin:auto}.note{line-height:1.65}
.rank small{font-size:14px}.rank span{font-size:13px}.box .btn{min-height:48px;flex-shrink:0}
@media(max-width:380px){.hud-top{gap:8px;padding-right:12px;padding-left:12px}.score b{font-size:34px}.best b{font-size:16px}.demo-nav{gap:9px;font-size:10px}}
@media(max-height:480px){.hud-top{padding-top:4px}.score b{font-size:27px}.next canvas{width:30px;height:30px}.demo-nav{font-size:10px;padding-top:3px;padding-bottom:3px}.chain{padding:3px 6px}.chain img{width:17px}.box{padding:14px;gap:8px}.box h2{font-size:24px}}