/* ===========================================================================
 * AI Deceleration — Solaris design system ("the light table").
 * Neutral graphite hierarchy on #fafafa, white islands with 1px structural
 * lines, flat by default. One signal colour (amber) for the boost, the live
 * score and the pair line. Onest for display, Golos Text for prose,
 * JetBrains Mono for anything a user can verify (contract, pair, score).
 * ========================================================================= */

:root{
  --ink:#171717;      --graphite:#262626;  --ink-hover:#333333;
  --deep:#404040;     --copy:#525252;      --quiet:#737373;
  --soft:#8b8b8b;     --muted:#a3a3a3;
  --line-quiet:#cfcfcf; --line-strong:#d4d4d4; --line:#e5e5e5;
  --line-faint:#ececec; --rule:#f1f1f1;    --tint:#f5f5f5;
  --paper:#fafafa;    --sheet:#ffffff;

  /* One signal colour, and it is long.xyz green — the launchpad the pair
     lives on. It marks the boost, the live score and the primary action.
     Never a background wash, never a second brand colour. */
  --signal:#00d26a;      --signal-note:#e9fbf2;  --signal-line:#bdeed6;
  --signal-text:#046b3c; --signal-ink:#04512e;   --signal-focus:#00a855;

  --long:var(--signal);  --long-deep:var(--signal-focus);
  --long-tint:var(--signal-note); --long-line:var(--signal-line);
  --long-text:var(--signal-text);

  --shadow-island:0 2px 24px rgba(0,0,0,.06);
  --shadow-stage:0 25px 85px rgba(0,0,0,.15);

  --font-display:"Onest",system-ui,sans-serif;
  --font-sans:"Golos Text",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --header-h:56px;
}

*{box-sizing:border-box}
/* class rules like .btn{display:inline-flex} outrank the UA [hidden] rule,
   so el.hidden = true would otherwise do nothing */
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--copy);
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:0;
}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
button{font:inherit;-webkit-tap-highlight-color:transparent}
::selection{background:var(--ink);color:#fff}
a:focus-visible,button:focus-visible{outline:2px solid var(--muted);outline-offset:2px;border-radius:8px}

/* --- shared atoms --------------------------------------------------------- */
.label{
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 14px;border:0;border-radius:9px;
  font-size:13px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:background-color .18s,color .18s,border-color .18s,transform .18s;
}
.btn-lg{height:46px;padding:0 19px;border-radius:10px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-hover);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.76);border:1px solid var(--line);color:var(--copy)}
.btn-ghost:hover{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-signal{background:var(--signal);color:var(--ink)}
.btn-signal:hover{filter:brightness(.97);transform:translateY(-1px)}

/* a link with nothing configured behind it is inert, and looks it */
.btn[aria-disabled="true"]{
  opacity:.45;cursor:not-allowed;pointer-events:none;filter:grayscale(.35);
}

.card{background:#fff;border:1px solid var(--line);border-radius:12px}

/* --- header --------------------------------------------------------------- */
.hdr{
  position:sticky;top:0;z-index:40;
  height:var(--header-h);
  display:flex;align-items:center;gap:12px;
  padding:0 clamp(14px,3vw,24px);
  background:rgba(250,250,250,.82);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line-faint);
}
.brand{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.brand-mark{display:block;width:26px;height:26px;flex:none}
.hdr-spacer{margin-left:auto}

/* --- stage: game + token, side by side on desktop ------------------------- */
.stage{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  width:min(1280px,100%);
  margin:0 auto;
  padding:16px clamp(10px,2.4vw,24px) 0;
}
@media(min-width:1000px){
  .stage{
    grid-template-columns:minmax(0,1fr) 372px;
    gap:20px;
    padding-top:20px;
    align-items:start;
  }
}

/* --- the game island ------------------------------------------------------ */
.game{
  position:relative;
  height:calc(100svh - var(--header-h) - 32px);
  min-height:440px;
  max-height:760px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:var(--shadow-stage);
  overflow:hidden;
  touch-action:none;
  user-select:none;-webkit-user-select:none;
}
@media(min-width:1000px){.game{height:calc(100svh - var(--header-h) - 40px);max-height:820px}}
#cv{display:block;width:100%;height:100%;touch-action:none}

/* overlays sit on the canvas; only the active one takes pointer events */
.veil{
  position:absolute;inset:0;z-index:3;
  display:grid;place-items:center;
  padding:24px;text-align:center;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  cursor:pointer;
}
.veil[hidden]{display:none}
.veil-in{max-width:340px;animation:rise .45s cubic-bezier(.22,.8,.25,1)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.veil h2{font-size:clamp(28px,6vw,38px);line-height:1.02;letter-spacing:-.04em}
.veil p{margin:12px 0 0;color:var(--quiet);font-size:14px}
.veil .btn{margin-top:20px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border-radius:6px;
  background:var(--signal-note);color:var(--signal-text);
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
}
.keys{margin-top:16px;color:var(--muted);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase}

/* death card */
.tally{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  margin:20px 0 0;background:var(--line);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.tally div{background:#fff;padding:12px 14px;text-align:left}
.tally span{display:block;font-family:var(--font-mono);font-size:9.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.tally strong{display:block;margin-top:4px;font-family:var(--font-display);font-size:26px;font-weight:600;letter-spacing:-.03em;color:var(--ink)}
.tally .hot{background:var(--signal-note)}
.tally .hot strong{color:var(--signal-ink)}
.verdict{margin-top:14px;font-size:13px;color:var(--copy)}
.verdict b{color:var(--ink)}

/* --- token panel ---------------------------------------------------------- */
.token{display:flex;flex-direction:column;gap:12px}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.ticker{font-family:var(--font-display);font-size:27px;font-weight:600;letter-spacing:-.035em;color:var(--ink);line-height:1.1}
.panel p{margin:10px 0 0;font-size:13.5px;color:var(--quiet)}

.pair{
  display:flex;align-items:center;gap:10px;margin-top:14px;padding:11px 13px;
  border:1px solid var(--signal-line);border-radius:10px;background:var(--signal-note);
}
.pair-leg{font-family:var(--font-mono);font-size:12.5px;font-weight:700;color:var(--signal-ink)}
.pair-x{color:var(--signal-focus);font-size:11px}
.pair small{margin-left:auto;font-family:var(--font-mono);font-size:9.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--signal-text)}

.ca{margin-top:12px}
.ca-row{
  display:flex;align-items:center;gap:8px;margin-top:6px;
  padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--paper);
}
.ca-val{
  flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-family:var(--font-mono);font-size:12px;color:var(--graphite);
}
.ca-val[data-state="tba"]{color:var(--muted)}
.copy{
  flex:none;height:28px;padding:0 10px;border:1px solid var(--line);border-radius:7px;
  background:#fff;color:var(--copy);
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  cursor:pointer;transition:background .15s,color .15s,border-color .15s;
}
.copy:hover{background:var(--tint);color:var(--ink);border-color:var(--line-strong)}
.copy.ok{background:var(--signal-note);border-color:var(--signal-line);color:var(--signal-text)}
.copy:disabled{opacity:.45;cursor:not-allowed}

.acts{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:14px}
.acts .btn{width:100%}

.pair-note{margin:10px 0 0;font-size:12.5px;line-height:1.55;color:var(--quiet)}
.pair-note b{color:var(--ink);font-family:var(--font-mono);font-size:11.5px;font-weight:700}

/* long.xyz partner badge — the one place green is allowed */
.powered{
  display:flex;align-items:center;gap:8px;margin-top:12px;padding:9px 12px;
  border:1px solid var(--long-line);border-radius:9px;background:var(--long-tint);
  color:var(--long-text);
  transition:background .18s,border-color .18s,transform .18s;
}
.powered:hover{background:#dcf8ea;border-color:var(--long);transform:translateY(-1px)}
.powered-dot{
  flex:none;width:7px;height:7px;border-radius:50%;background:var(--long);
  box-shadow:0 0 0 3px rgba(0,210,106,.18);
}
.powered-by{font-size:12px;color:var(--long-deep);opacity:.85}
.powered-mark{
  font-family:var(--font-mono);font-size:12.5px;font-weight:700;letter-spacing:-.01em;
  color:var(--long-text);
}
.powered svg{margin-left:auto;color:var(--long-deep)}

/* how to play */
.how{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.how article{background:#fff;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
.how b{
  flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:7px;
  background:var(--paper);border:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--deep);
}
.how .hot{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.how h3{font-size:14px;letter-spacing:-.02em}
.how p{margin:2px 0 0;font-size:12.5px;color:var(--quiet);line-height:1.5}

/* --- footer --------------------------------------------------------------- */
.foot{
  width:min(1280px,100%);margin:0 auto;
  padding:28px clamp(14px,2.4vw,24px) calc(36px + env(safe-area-inset-bottom,0px));
}
.foot-rule{border-top:1px solid var(--line);padding-top:20px}
.foot p{margin:0;font-size:11.5px;line-height:1.65;color:var(--soft);max-width:820px}
.foot p + p{margin-top:8px}
.foot a{color:var(--copy);text-decoration:underline;text-decoration-color:var(--line-quiet);text-underline-offset:3px}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}