/* Combward — the bench. Dark ground, one hot accent, the row of bars is the whole page above the fold. */
:root{
  --ground:#07080C; --panel:#0E1017; --edge:#1B1F2B; --edge2:#272D3D;
  --ink:#F2EEF6; --dim:#8D93A6; --dimmer:#5A6072;
  --hot:#FF2233; --hotdim:rgba(255,34,51,.20); --hotline:rgba(255,34,51,.55);
  --good:#7FE3A4;
  --dockh:68px;
  --wrap:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--ground);color:var(--ink)}
body{
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:15px; line-height:1.5; -webkit-font-smoothing:antialiased;
  padding-bottom:calc(var(--dockh) + env(safe-area-inset-bottom,0px) + 14px);
  overflow-x:hidden;
}
a{color:inherit}
code,.num{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-ligatures:none}

#stage{width:100%;max-width:var(--wrap);margin:0 auto;padding:18px 16px 0}

/* ---------- identity (in page, not chrome) ---------- */
.ident{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.sigil{display:block;width:44px;height:44px;border-radius:12px;overflow:hidden;flex:0 0 auto;border:1px solid var(--edge)}
.sigil img{width:100%;height:100%;display:block;object-fit:cover}
.identtxt{flex:1 1 200px;min-width:0}
.identtxt h1{
  font-family:"Unbounded",system-ui,sans-serif;font-weight:800;letter-spacing:.02em;
  font-size:21px;line-height:1;margin:0 0 4px;
}
.rule{margin:0;color:var(--dim);font-size:13px;max-width:46ch}
.routes{display:flex;gap:6px;flex:0 0 auto;width:100%}
.routes a{
  flex:1 1 0;text-align:center;text-decoration:none;color:var(--dim);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  padding:9px 10px;border:1px solid var(--edge);border-radius:999px;background:#0B0D14;
}
.routes a[aria-current="page"]{color:var(--ink);border-color:var(--hotline);background:var(--hotdim)}

/* ---------- the rig: the one object ---------- */
.rig{border:1px solid var(--edge);border-radius:18px;background:
     radial-gradient(120% 90% at 50% -20%, rgba(255,34,51,.13), transparent 62%), var(--panel);
     padding:16px 14px 14px;position:relative;overflow:hidden}
.rigtop{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}
.lede{display:flex;align-items:baseline;gap:8px;min-width:0}
.lbl{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dimmer)}
.rowid{font-family:"IBM Plex Mono",monospace;font-size:15px;color:var(--dim)}
.snarl{display:flex;align-items:baseline;gap:8px;text-align:right;flex-wrap:wrap;justify-content:flex-end}
.bignum{
  font-family:"IBM Plex Mono",monospace;font-weight:600;
  font-size:clamp(34px,11vw,46px);line-height:.9;color:var(--hot);
  text-shadow:0 0 26px rgba(255,34,51,.45);
  transition:color .25s ease;
}
.bignum.clean{color:var(--good);text-shadow:0 0 26px rgba(127,227,164,.4)}
.unit{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dimmer);max-width:7em;text-align:left}

/* the eight bars */
.comb{
  display:grid;grid-template-columns:repeat(8,1fr);gap:clamp(4px,1.6vw,10px);
  align-items:end;height:min(46vh,290px);
  padding:10px 8px 0;border-radius:12px;background:
    linear-gradient(to top, rgba(255,255,255,.035), transparent 40%);
}
.bar{
  position:relative;display:flex;align-items:flex-end;justify-content:center;
  border:0;padding:0;margin:0;background:none;cursor:pointer;height:100%;
  -webkit-tap-highlight-color:transparent;
}
.bar .stick{
  width:100%;border-radius:6px 6px 3px 3px;
  background:linear-gradient(180deg,#FF5A66,var(--hot));
  box-shadow:0 0 16px rgba(255,34,51,.35), inset 0 1px 0 rgba(255,255,255,.55);
  transition:height .34s cubic-bezier(.2,.9,.2,1), filter .18s ease, transform .18s ease;
}
.bar .cap{
  position:absolute;bottom:-20px;left:0;right:0;text-align:center;
  font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--dimmer);
}
.comb.has-caps{margin-bottom:22px}
.bar.wrong .stick{filter:saturate(.35) brightness(.72)}
.bar.sel .stick{transform:translateY(-8px);box-shadow:0 0 0 2px var(--ink), 0 0 26px rgba(255,34,51,.6)}
.bar.idle{cursor:default}
.bar.idle .stick{background:linear-gradient(180deg,#242A38,#171C27);box-shadow:none}
.hint{margin:26px 2px 0;color:var(--dim);font-size:13px;min-height:1.3em}
.hint b{color:var(--ink);font-weight:600}
.hint .credit{color:var(--good);font-weight:600}

/* readout dials */
.dials{display:grid;grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:8px;margin-top:14px}
.dial{background:#0A0C12;border:1px solid var(--edge);border-radius:11px;padding:9px 10px;min-width:0}
.dial .dk{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dimmer);white-space:nowrap}
.dial .dv{font-family:"IBM Plex Mono",monospace;font-size:15px;margin-top:3px;overflow:hidden;text-overflow:ellipsis}
.dial .dv.hot{color:var(--hot)}

/* ---------- panel (tape / rules / slip) ---------- */
.panel{margin-top:18px}
.block{border:1px solid var(--edge);border-radius:16px;background:var(--panel);padding:14px;margin-bottom:12px}
.block h2{font-family:"Unbounded",sans-serif;font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px;color:var(--dim)}
.block p{margin:0 0 9px;color:var(--dim);font-size:14px}
.block p:last-child{margin-bottom:0}
.block p b,.block p strong{color:var(--ink);font-weight:600}

/* the tape */
.tape{display:flex;flex-direction:column;gap:1px;background:var(--edge);border-radius:11px;overflow:hidden}
.trow{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;background:#0A0C12;padding:9px 11px}
.trow .tw{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trow .tm{font-size:12px;color:var(--dimmer);white-space:nowrap}
.trow .tc{font-family:"IBM Plex Mono",monospace;font-size:13px;white-space:nowrap}
.tc.plus{color:var(--good)}
.tc.zero{color:var(--dimmer)}
.tc.bell{color:var(--hot)}
.empty{color:var(--dimmer);font-size:13px;padding:14px 2px;text-align:center}

.steps{counter-reset:s;margin:0;padding:0;list-style:none}
.steps li{counter-increment:s;position:relative;padding-left:30px;margin-bottom:10px;color:var(--dim);font-size:14px}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:var(--hotdim);border:1px solid var(--hotline);color:var(--ink);font-size:11px;display:grid;place-items:center;
  font-family:"IBM Plex Mono",monospace}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-top:4px}
.sp{background:#0A0C12;border:1px solid var(--edge);border-radius:11px;padding:10px}
.sp .spv{font-family:"IBM Plex Mono",monospace;font-size:19px;color:var(--hot)}
.sp .spk{font-size:11px;color:var(--dimmer);margin-top:2px;line-height:1.35}

/* the worked example */
.worked{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;margin-top:4px}
.mini{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;align-items:end;height:56px}
.mini i{background:var(--edge2);border-radius:2px;display:block}
.mini.after i{background:var(--hot)}
.arrow{color:var(--dimmer);font-family:"IBM Plex Mono",monospace;font-size:12px;text-align:center}

/* ---------- footer ---------- */
.foot{margin:20px 0 10px;border-top:1px solid var(--edge);padding-top:14px}
.fline{display:flex;justify-content:space-between;gap:10px;align-items:baseline;padding:5px 0;flex-wrap:wrap}
.fline .k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dimmer)}
.fline code{font-size:11.5px;color:var(--dim);word-break:break-all;text-align:right}
.flinks{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.flinks a{font-size:12px;color:var(--dim);text-decoration:none;border:1px solid var(--edge);border-radius:999px;padding:6px 12px}
.fnote{color:var(--dimmer);font-size:12px;margin:12px 0 0}

/* ---------- the dock: fixed chrome, holds the action and the buy ---------- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:flex;gap:8px;align-items:center;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(7,8,12,.93);backdrop-filter:blur(14px);
  border-top:1px solid var(--edge);
}
.dock > *{height:44px}
.act{
  flex:1 1 auto;min-width:0;border-radius:12px;border:1px solid var(--edge2);background:#151A24;color:var(--ink);
  font-family:"IBM Plex Sans",sans-serif;font-size:14px;font-weight:600;cursor:pointer;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 14px;
}
.act.ready{background:var(--hot);border-color:var(--hot);color:#12060A}
.act:disabled{opacity:.5;cursor:default}
.buy{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:0 16px;border-radius:12px;text-decoration:none;font-weight:600;font-size:14px;white-space:nowrap;
  border:1px solid var(--hotline);background:var(--hotdim);color:var(--ink);
}
.buy.dead{border-color:var(--edge);background:#0F131B;color:var(--dimmer)}

/* ---------- wider: a longer measure, bigger object ---------- */
@media (min-width:640px){
  #stage{padding:26px 24px 0}
  .identtxt h1{font-size:26px}
  .rule{font-size:14px}
  .routes{width:auto;margin-left:auto}
  .routes a{flex:0 0 auto;padding:9px 16px}
  .comb{height:min(44vh,320px);gap:12px;padding:12px 14px 0}
  .rig{padding:20px 20px 18px}
  .bignum{font-size:52px}
  .dock{padding:12px 18px calc(12px + env(safe-area-inset-bottom,0px))}
}

/* ---------- desktop: the page recomposes into two columns ---------- */
@media (min-width:1000px){
  :root{--dockh:72px}
  #stage{
    display:grid;
    grid-template-columns:minmax(0,1.45fr) minmax(320px,.85fr);
    grid-template-areas:"ident ident" "rig panel" "foot foot";
    column-gap:22px;row-gap:20px;padding:34px 32px 0;
  }
  .ident{grid-area:ident;margin-bottom:0}
  .rig{grid-area:rig;align-self:start;padding:26px 26px 22px}
  .panel{grid-area:panel;margin-top:0;position:sticky;top:26px;align-self:start;max-height:calc(100vh - 140px);overflow:auto}
  .foot{grid-area:foot}
  .comb{height:min(52vh,420px);gap:14px}
  .bignum{font-size:62px}
  .identtxt h1{font-size:30px}
  .dial .dv{font-size:17px}
  .dock{
    left:50%;right:auto;transform:translateX(-50%);bottom:18px;width:min(640px,calc(100vw - 48px));
    border:1px solid var(--edge2);border-radius:16px;
    box-shadow:0 18px 44px rgba(0,0,0,.6);
  }
}
@media (min-width:1280px){
  .comb{height:460px}
  .bignum{font-size:72px}
}
@media (prefers-reduced-motion:reduce){
  .bar .stick{transition:none}
}