/* Neo Puzzles site. Hub: sticky header, hero, game cards, early access, calm, guides, FAQ.
   Game page: board in the centre, levels and rules on the side (two columns from 760px), list of games on the left from 1040px. */
:root{
  --bg:#F6F4FF; --surface:#FFFFFF; --surface2:#EEEAFD; --ink:#18122E; --muted:#5E5682; --line:rgba(40,24,110,.12);
  --accent:#6A48F5; --accent-ink:#FFFFFF; --ghost:rgba(40,24,110,.16); --node:#FFFFFF; --nodeline:rgba(40,24,110,.35);
  --n1:#0EA5C6; --n2:#C026D3; --n3:#EA6A0C; --n4:#65A30D; --n5:#6A48F5; --n6:#CA8A04; --n7:#DB2777; --n8:#0891B2; --n9:#2563EB;
  --bad:#D9415B; --good:#15803D; --glow:.18; --hero-a:#E7E0FF; --hero-b:#FBE8FF;
  --cardback:#E6DFFF; --dot:rgba(106,72,245,.38); --scrim:rgba(24,18,46,.45);
  --display:'Unbounded','Arial Black',system-ui,sans-serif;
  --body:'Nunito',system-ui,-apple-system,'Segoe UI',sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E0A22; --surface:#1B1440; --surface2:#241B4E; --ink:#F4F1FF; --muted:#A49CC8; --line:rgba(255,255,255,.10);
  --accent:#8B6CFF; --accent-ink:#FFFFFF; --ghost:rgba(255,255,255,.16); --node:#352A66; --nodeline:rgba(255,255,255,.3);
  --n1:#22D3EE; --n2:#E879F9; --n3:#FB923C; --n4:#A3E635; --n5:#9C8BFF; --n6:#FBBF24; --n7:#F472B6; --n8:#5EEAD4; --n9:#60A5FA;
  --bad:#FF7A90; --good:#4ADE80; --glow:.32; --hero-a:#2A1F5E; --hero-b:#3A1748;
  --cardback:#2F2768; --dot:rgba(205,190,255,.42); --scrim:rgba(4,2,12,.62); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E0A22; --surface:#1B1440; --surface2:#241B4E; --ink:#F4F1FF; --muted:#A49CC8; --line:rgba(255,255,255,.10);
  --accent:#8B6CFF; --accent-ink:#FFFFFF; --ghost:rgba(255,255,255,.16); --node:#352A66; --nodeline:rgba(255,255,255,.3);
  --n1:#22D3EE; --n2:#E879F9; --n3:#FB923C; --n4:#A3E635; --n5:#9C8BFF; --n6:#FBBF24; --n7:#F472B6; --n8:#5EEAD4; --n9:#60A5FA;
  --bad:#FF7A90; --good:#4ADE80; --glow:.32; --hero-a:#2A1F5E; --hero-b:#3A1748;
  --cardback:#2F2768; --dot:rgba(205,190,255,.42); --scrim:rgba(4,2,12,.62); color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;margin:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
body.lock{overflow:hidden}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap.wide{max-width:1200px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(22px,4vw,32px);font-weight:700;line-height:1.15}
h2.h3,.panel h2{font-size:18px}
.eyebrow{font-weight:900;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.lead{color:var(--muted);font-size:17px;max-width:60ch;margin:10px 0 0}
.muted{color:var(--muted);font-weight:700;font-size:14px}
section{padding-block:48px;scroll-margin-top:70px}
.anchor{display:block;position:relative;top:-80px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}
button{font-family:inherit}
[hidden]{display:none!important}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:12px;height:62px}
.nav .sp{flex:1}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:17px;text-decoration:none}
.logo svg{width:30px;height:30px}
.dlogo{display:none}
.links{display:flex;gap:4px;margin-left:12px}
.links a.l{text-decoration:none;font-weight:800;font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px}
.links a.l:hover{color:var(--ink);background:var(--surface2)}
@media (max-width:760px){.links{display:none}.nav{gap:8px}}
.tbtn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;height:36px;padding:0 12px;font:800 13px var(--body);cursor:pointer;white-space:nowrap}
.langsw{display:flex;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:3px;height:36px}
.langsw a{display:grid;place-items:center;text-decoration:none;color:var(--muted);font:900 12.5px var(--body);border-radius:999px;padding:0 10px}
.langsw a[aria-current="true"]{background:var(--accent);color:var(--accent-ink)}
.iconbtn{width:38px;height:38px;flex:none;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;color:var(--ink);cursor:pointer;text-decoration:none}
.gpill{display:flex;align-items:center;gap:8px;min-width:0;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:4px 12px 4px 4px;font:900 15px var(--body);cursor:pointer}
.gpill .gi{width:30px;height:30px;border-radius:50%}
.gpill .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:1040px){.dlogo{display:flex}}

/* game icon box */
.gi{display:grid;place-items:center;flex:none;border-radius:12px;background:color-mix(in srgb,var(--gc,var(--accent)) 14%,var(--surface))}
.gi svg{width:68%;height:68%}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:16px;padding:14px 22px;font:800 16px var(--body);cursor:pointer;text-decoration:none;transition:transform .15s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 12px 28px color-mix(in srgb,var(--accent) 35%,transparent)}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn.sm{padding:10px 16px;font-size:14px;border-radius:13px}
.btn.wide{width:100%}

/* hero */
.hero{padding-block:40px 20px;background:radial-gradient(60% 80% at 85% 10%,var(--hero-b),transparent 70%),radial-gradient(60% 90% at 10% 0%,var(--hero-a),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,6.4vw,62px);font-weight:800;line-height:1.02}
.hero h1 span{color:var(--accent)}
.hero .lead{margin-block:16px 24px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.trust a{font-weight:800;font-size:13px;color:var(--muted);text-decoration:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px}
.trust a:hover{color:var(--ink);border-color:var(--accent)}
.trust b{color:var(--ink)}
.hero-side{display:flex;flex-direction:column;gap:14px;min-width:0}
.cont{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:18px;background:var(--surface);border:1px solid var(--line);text-decoration:none}
.cont .gi{width:44px;height:44px}
.cont small{display:block;color:var(--muted);font-weight:800;font-size:12px}
.cont b{font-weight:900}
.cont i{margin-left:auto;font-style:normal;font-weight:900;color:var(--accent);white-space:nowrap}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:20px;display:flex;flex-direction:column;gap:12px}
.feat .fh{display:flex;align-items:center;gap:10px}
.feat .fh b{font-family:var(--display);font-size:20px}
.feat p{margin:0;color:var(--muted);font-weight:700}
.fmini{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.fmini .card{cursor:default;display:block}
@media (max-width:760px){
  .hero{padding-block:26px 6px}
  .hero-grid{grid-template-columns:1fr;gap:18px}
  .feat{display:none}
  .trust{display:none}
}

/* game cards */
.sech{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.gcards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:760px){.gcards{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}}
.gcard{position:relative;display:flex;flex-direction:column;gap:6px;text-align:left;text-decoration:none;color:var(--ink);font:inherit;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:14px;cursor:pointer;min-width:0;transition:border-color .15s,transform .15s}
.gcard:hover{border-color:var(--gc,var(--accent));transform:translateY(-2px)}
.gcard .gi{width:46px;height:46px}
.gcard b{font-weight:900;font-size:16px;line-height:1.2}
.gcard p{margin:0;color:var(--muted);font-weight:700;font-size:13px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gcard.app{background:transparent;border-style:dashed}
.gcard.app .tag{position:static;align-self:flex-start;margin-top:auto}
.gcard.app .go{margin-top:0}
.gcard .go{margin-top:auto;font-weight:900;font-size:13px;color:var(--accent)}
.tag{font-size:10.5px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 8px;background:var(--surface2);color:var(--muted)}
.gcard .tag{position:absolute;top:12px;right:12px}
.tag.new{background:var(--accent);color:var(--accent-ink)}
.gprog{display:flex;flex-direction:column;gap:5px;margin-top:auto}
.gprog small{font-weight:800;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.bar{display:block;height:5px;border-radius:5px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--gc,var(--accent));border-radius:5px}

/* calm */
.calm{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:26px}
.calm div{border-top:2px solid var(--accent);padding-top:12px}
.calm b{display:block;font-weight:900;font-size:17px;margin-bottom:4px}
.calm p{margin:0;color:var(--muted);font-weight:700}

/* early access */
.early{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));border-radius:30px;padding:clamp(20px,4vw,44px);display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.early ul{margin:14px 0 0;padding-left:18px;font-weight:800}
.early.mini{grid-template-columns:1fr;gap:16px;align-content:start;padding:24px}
.early.mini h2{font-size:22px}
@media (max-width:760px){.early{grid-template-columns:1fr}}
form.wl{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:18px}
.wlf{display:flex;flex-direction:column;gap:12px}
form.wl .fl{font-weight:900;font-size:14px}
form.wl input[type=email]{font:700 16px var(--body);padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fine{color:var(--muted);font-size:12.5px;font-weight:700;margin:0}
.msg{font-weight:900;font-size:14px;margin:0;min-height:1.4em}
.msg:empty{display:none}
.msg.ok{color:var(--accent)}.msg.err{color:var(--bad)}
.done-box{text-align:center;padding:10px 4px}
.done-box b{display:block;font-family:var(--display);font-size:20px;margin-bottom:6px}

/* guides */
.glinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:24px}
.glink{display:flex;gap:12px;align-items:center;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px}
.glink .gi{width:42px;height:42px}
.glink b{display:block;font-weight:900;line-height:1.3}
.glink small{display:block;color:var(--muted);font-weight:700;font-size:13px}
.glink i{margin-left:auto;font-style:normal;font-weight:900;font-size:13px;color:var(--accent);white-space:nowrap}
details.art{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 16px;margin-top:12px}
details.art summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:4px}
details.art summary::-webkit-details-marker{display:none}
details.art summary b{font-weight:900;font-size:16px;line-height:1.3}
details.art summary span{color:var(--muted);font-weight:700;font-size:14px}
details.art summary i{font-style:normal;font-weight:900;font-size:13px;color:var(--accent)}
details.art[open] summary i{display:none}
details.art .body{margin-top:10px;font-size:15px;font-weight:600}
details.art .body p{margin:0 0 10px}

/* faq */
.faq{margin-top:20px;display:flex;flex-direction:column;gap:10px;max-width:760px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 18px}
.faq summary{font-weight:900;cursor:pointer}
.faq details p{margin:8px 0 0;color:var(--muted);font-weight:700}

/* ===== game page ===== */
.gpage{padding-block:16px 0}
.glay{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.gnav{display:none}
@media (min-width:760px){.glay{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:24px}}
@media (min-width:1040px){
  .glay{grid-template-columns:200px minmax(0,1fr) 320px;gap:28px}
  .gnav{display:flex;flex-direction:column;gap:2px;position:sticky;top:80px}
}
.gn{display:flex;gap:10px;align-items:center;text-align:left;text-decoration:none;color:var(--ink);border:0;background:none;padding:7px 8px;border-radius:12px;cursor:pointer;width:100%;font:900 14px var(--body)}
.gn .gi{width:34px;height:34px;border-radius:10px}
.gn small{display:block;color:var(--muted);font-size:11.5px;font-weight:700}
.gn:hover{background:var(--surface2)}
.gn.on{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.gtitle{margin-bottom:12px}
.gtitle h1{font-size:clamp(24px,4vw,32px);font-weight:800}
.gtitle p{margin:4px 0 0;color:var(--muted);font-weight:700}
.board{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.bhead{display:flex;align-items:center;gap:10px}
.lvt{margin-right:auto;display:flex;flex-direction:column}
.lvt b{font-family:var(--display);font-size:17px;font-variant-numeric:tabular-nums}
.lvt small{font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.lvl{display:flex;gap:6px}
.ib{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface2);color:var(--ink);font:900 16px var(--body);cursor:pointer}
.ib:disabled{opacity:.4;cursor:default}
.say{align-self:center;padding:8px 16px;border-radius:999px;background:var(--surface2);font-weight:800;font-size:14px;color:var(--muted);text-align:center;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}
/* one line, always the same height: if it changed, the board would jump under the finger mid-stroke */
.board .say:empty{display:block;visibility:hidden}
.board .say:empty::before{content:'\00a0'}
.say:empty{display:none}
.say b{color:var(--ink)}
.say.warn{color:var(--n3)}
.say.win{color:var(--accent)}
.stage{display:grid;place-items:center;min-height:320px;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}
.stage.drag,.stage.drag *{touch-action:none}
.stage.drag{overscroll-behavior:contain}
html.nopull,html.nopull body{overscroll-behavior-y:none}
.storehint{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px;font-weight:800;font-size:14px;color:var(--muted)}
.nudge{margin-top:12px;position:relative;background:var(--surface2);border-radius:18px;padding:14px}
.nudge b{display:block;font-weight:900}
.nudge p{margin:2px 0 10px;color:var(--muted);font-weight:700;font-size:14px}
.nudge form.wl{padding:12px}
.nudge .x{position:absolute;top:8px;right:8px;width:32px;height:32px;border-radius:50%;border:0;background:transparent;color:var(--muted);font:900 16px var(--body);cursor:pointer}
.gside{display:flex;flex-direction:column;gap:14px;min-width:0}
@media (min-width:760px){.gside{position:sticky;top:80px}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:16px}
.ph{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.ph small{color:var(--muted);font-weight:800;font-size:13px;font-variant-numeric:tabular-nums}
.chaps{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.chap{border:1px solid var(--line);background:var(--surface2);color:var(--ink);border-radius:12px;padding:7px 0 5px;font:900 15px var(--body);cursor:pointer;display:flex;flex-direction:column;align-items:center;line-height:1.2;font-variant-numeric:tabular-nums}
.chap small{font-size:10.5px;color:var(--muted);font-weight:800}
.chap[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.chap[aria-pressed="true"] small{color:var(--accent-ink);opacity:.85}
.chap:disabled{opacity:.45;cursor:default}
.chname{margin:10px 0;font-weight:900;font-size:14px}
.chips{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.chip{aspect-ratio:1;border-radius:10px;border:1px solid var(--line);background:var(--surface2);color:var(--ink);font:900 13px var(--body);cursor:pointer;font-variant-numeric:tabular-nums;max-width:100%;position:relative}
.chip.done{background:color-mix(in srgb,var(--gc,var(--n1)) 22%,var(--surface));border-color:color-mix(in srgb,var(--gc,var(--n1)) 55%,transparent)}
.chip.cur{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.chip:disabled{opacity:.35;cursor:default}
.rlist{margin:0;padding-left:20px;color:var(--muted);font-weight:700;font-size:14.5px;display:flex;flex-direction:column;gap:6px}
.duo{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:860px){.duo{grid-template-columns:1fr}}
.guide .body{font-weight:600;max-width:62ch}
.guide .body p{margin:0 0 12px}
.guide .body h3{font-size:16px;margin:18px 0 6px}
.nextg{display:flex;gap:14px;align-items:center;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:14px;margin-bottom:30px}
.nextg .gi{width:54px;height:54px;border-radius:14px}
.nextg b{display:block;font-weight:900;font-size:17px}
.nextg small{display:block;color:var(--muted);font-weight:700;font-size:14px}
.nextg i{margin-left:auto;font-style:normal;font-weight:900;font-size:24px;color:var(--accent)}
h2.h3{margin-bottom:14px}

/* sheet */
.shw{position:fixed;inset:0;z-index:80;background:var(--scrim);display:flex;align-items:flex-end;justify-content:center;animation:fade .2s}
.sh{width:100%;max-width:820px;max-height:86vh;overflow:auto;background:var(--bg);border-radius:26px 26px 0 0;padding:12px max(16px,env(safe-area-inset-right,0px)) calc(22px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));animation:up .28s cubic-bezier(.3,.8,.3,1)}
.sh .grab{width:40px;height:5px;border-radius:5px;background:var(--ghost);margin:0 auto 12px}
.shh{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.shh h2{font-size:20px}
.shh .row{display:flex;align-items:center;gap:10px}
.shh .gi{width:40px;height:40px}
.sh .gcard.cur{border:2px solid var(--accent)}
.sh .lead{margin:0 0 14px;font-size:15px}
@media (min-width:760px){.shw{align-items:center;padding:24px}.sh{border-radius:26px;padding:22px 26px}.sh .grab{display:none}}
@keyframes fade{from{opacity:0}}
@keyframes up{from{transform:translateY(40%)}}

/* ===== One Line ===== */
.olsvg{width:min(360px,100%);aspect-ratio:1;max-width:100%}
.ghostline{stroke:var(--ghost);stroke-width:13;stroke-linecap:round;fill:none}
.nd{fill:var(--node);stroke:var(--nodeline);stroke-width:2.5}
.nd.start{stroke:var(--n4);stroke-width:4}
.nd.head{fill:var(--ink);stroke:var(--ink)}
/* ===== Pipe Flow / Color Link ===== */
.grid{display:grid;gap:4px;padding:8px;border-radius:20px;background:var(--surface2);width:min(400px,100%)}
.cell{aspect-ratio:1;border-radius:9px;position:relative}
.cell svg{width:100%;height:100%;display:block}
.ptile{cursor:pointer;transition:transform .18s cubic-bezier(.2,.9,.3,1);background:var(--surface);border:0;padding:0}
.ptile .pipe{stroke:var(--ghost);stroke-width:17;stroke-linecap:round;fill:none;transition:stroke .2s}
.ptile .hub{fill:var(--ghost)}
.ptile.lit .pipe{stroke:var(--n1)}.ptile.lit .hub{fill:var(--n1)}
.ptile.src .pipe{stroke:var(--n4)}.ptile.src .hub{fill:var(--n4)}
.ltile{background:var(--surface)}

/* ===== Cosmo Match ===== */
.cmwrap{width:100%;display:flex;flex-direction:column;align-items:center;gap:12px}
.memb{width:min(420px,100%);height:7px;border-radius:7px;background:var(--line);overflow:hidden}
.memb i{display:block;height:100%;background:linear-gradient(90deg,var(--n5),var(--n1));border-radius:7px;transition:width 1s linear}
.cm{--k:1;--gap:8px;display:flex;flex-wrap:wrap;gap:var(--gap);justify-content:center;width:100%}
.cm .card{flex:0 0 min(calc((100% - (var(--cols) - 1) * var(--gap)) / var(--cols)),calc(var(--w) * var(--k)))}
@media (min-width:760px){.cm{--k:1.2}}
.card{aspect-ratio:4/5;border:0;padding:0;background:none;perspective:600px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.cm.sq .card{aspect-ratio:1}
.card .in{position:relative;display:block;width:100%;height:100%;transition:transform .38s cubic-bezier(.3,.7,.3,1);transform-style:preserve-3d}
.card.up .in{transform:rotateY(180deg)}
.card .f{position:absolute;inset:0;border-radius:14px;display:grid;place-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.card .bk{background-color:var(--cardback);border:1.5px solid color-mix(in srgb,var(--n5) 55%,transparent);background-image:radial-gradient(var(--dot) 1.2px,transparent 1.4px);background-size:12px 12px;color:var(--n5)}
.card .bk svg{width:46%;opacity:.85}
.card .fr{transform:rotateY(180deg);background:var(--bg);border:1.5px solid var(--line)}
.card .fr svg{width:62%;filter:drop-shadow(0 0 calc(var(--glow)*18px) currentColor)}
.card.ok{cursor:default}
.card.ok .fr{border-color:color-mix(in srgb,var(--good) 70%,transparent);box-shadow:0 0 0 2px color-mix(in srgb,var(--good) 30%,transparent)}
.card.bad .fr{border-color:var(--bad);animation:shake .35s}
@keyframes shake{25%{transform:rotateY(180deg) translateX(-4px)}75%{transform:rotateY(180deg) translateX(4px)}}
.cmctrl{display:flex;gap:8px;width:min(420px,100%)}
.cmctrl .btn{flex:1;padding:12px}
.ov{position:absolute;inset:0;z-index:5;border-radius:26px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;gap:10px;text-align:center;animation:fade .25s}
.ov .word{font-family:var(--display);font-size:clamp(28px,6vw,40px);font-weight:800}
.ov .word.p{color:var(--good)}.ov .word.g{color:var(--n1)}.ov .word.d{color:var(--n5)}
.ov .res{color:var(--muted);font-weight:900;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.ov .btn{width:min(320px,100%)}
@media (prefers-reduced-motion:reduce){.card .in,.memb i{transition:none}.card.bad .fr,.shw,.sh,.ov{animation:none}}

footer{border-top:1px solid var(--line);padding-block:28px calc(28px + 90px);color:var(--muted);font-weight:700;font-size:14px;margin-top:20px}
.foot{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.foot .sp{margin-right:auto}
.foot button.lnk{background:none;border:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer;padding:0}
.sel{user-select:all;-webkit-user-select:all;color:var(--ink)}

/* cookie bar */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:70;padding:12px max(16px,env(safe-area-inset-right,0px)) calc(12px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));pointer-events:none}
.cookie .in{pointer-events:auto;max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 40px rgba(10,6,30,.25);padding:14px 16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cookie p{margin:0;flex:1 1 260px;font-weight:700;font-size:14px;color:var(--muted)}
.cookie .acts{display:flex;gap:8px}
@media (max-width:560px){
  .cookie{padding-bottom:calc(8px + env(safe-area-inset-bottom,0px))}
  .cookie .in{padding:10px 12px;gap:8px;border-radius:16px}
  .cookie p{flex:1 1 100%;font-size:12.5px;line-height:1.35}
  .cookie .acts{width:100%}.cookie .acts .btn{flex:1}
  .tbtn,.langsw{height:40px}
  .foot button.lnk,.foot a{padding-block:6px;display:inline-block}
  section{padding-block:36px}
  .board{padding:12px;border-radius:22px}
}
@media (max-width:480px){.gpage~* .langsw a[aria-current="true"],body[data-page="game"] .langsw a[aria-current="true"]{display:none}}
@media (max-width:400px){.gpill{font-size:14px}.tbtn{padding:0 9px}}

/* free limit and month reward */
.goal{margin-top:12px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px 14px}
.goal .gh{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.goal .gh b{font-weight:900}.goal .gh small{font-weight:800;color:var(--muted);font-variant-numeric:tabular-nums}
.goal p{margin:8px 0 0;color:var(--muted);font-weight:700;font-size:13.5px}
.goal .bar i{background:var(--accent)}
.goal.won{display:flex;align-items:center;justify-content:space-between;gap:12px;border-color:color-mix(in srgb,var(--accent) 50%,transparent);background:color-mix(in srgb,var(--accent) 10%,var(--surface))}
.goal.sent{display:flex;align-items:center;gap:10px;font-size:14px}
.goal.sent .ok{color:var(--good);font-weight:900}
.chip.app{opacity:.55;border-style:dashed;cursor:pointer}
.chap.app small{font-size:12px}
.ov.rw{justify-content:flex-start;overflow:auto;padding-top:24px}
.ov.rw .rwp{margin:0;color:var(--muted);font-weight:700;max-width:34ch}
.ov.rw form.wl{width:min(340px,100%);text-align:left}
.ov.rw .rwa{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.ov.rw .rwa .btn{width:auto}