@font-face{font-family:Prata;src:url(fonts/Prata-Regular.woff2) format("woff2");font-display:swap}
@font-face{font-family:Jost;src:url(fonts/Jost-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Jost;src:url(fonts/Jost-Medium.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --ground:#12110e;
  --fg:rgb(244 241 234);
  --soft:rgb(244 241 234 / .62);
  --hair:rgb(244 241 234 / .22);
  --faint:rgb(244 241 234 / .07);
  --wash:rgb(244 241 234 / .14);
  --w:min(100%,500px);
  --cell:min(15vw,calc((100dvh - 390px)/6),64px);
}
*{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
html,body{height:100%}
body{
  background:var(--ground);color:var(--fg);
  font:400 17px/1.45 Jost,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overscroll-behavior:none;user-select:none;-webkit-user-select:none;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
button:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
h1,h2{font-family:Prata,Georgia,serif;font-weight:400}

.play{height:100dvh;display:grid;grid-template-rows:auto 1fr auto auto auto;justify-items:center;padding:14px 8px 10px;gap:8px}
.bar,.controls,.keys,.status{width:var(--w);padding:0 6px}
.bar{display:flex;justify-content:space-between;align-items:baseline}
.bar h1{font-size:30px;line-height:1}
.score{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
#streak{font-size:28px;font-weight:500;line-height:1}
.best{color:var(--soft);font-size:15px}

.grid{align-self:center;display:grid;grid-template-rows:repeat(6,var(--cell));gap:6px}
.row{display:grid;grid-template-columns:repeat(5,var(--cell));gap:6px}
.row.shake{animation:shake .32s}
.cell{
  position:relative;display:grid;place-items:center;
  border:1px solid var(--hair);
  font-size:calc(var(--cell)*.5);font-weight:500;text-transform:uppercase;line-height:1;
}
.cell.typed{border-color:var(--fg);animation:pop .1s}
.cell.on{background:var(--fg);border-color:var(--fg);color:var(--ground)}
.cell.near{border-color:var(--fg);background:var(--faint)}
.cell.near::after{content:"";position:absolute;left:22%;right:22%;bottom:13%;height:max(3px,calc(var(--cell)*.07));background:var(--fg)}
.cell.off{border-color:transparent;color:var(--soft);opacity:.45}
.cell.turn{animation:turn .36s ease-out backwards;animation-delay:calc(var(--i)*.09s)}
@keyframes pop{50%{scale:1.08}}
@keyframes turn{from{opacity:0;translate:0 -6px}}
@keyframes shake{20%,60%{translate:-6px 0}40%,80%{translate:6px 0}}

.status{min-height:1.5em;text-align:center;line-height:1.35}
.status b{font-weight:500;text-transform:uppercase;letter-spacing:.06em}

.keys{display:flex;flex-direction:column;gap:6px}
.krow{display:flex;gap:5px;justify-content:center}
.key{
  position:relative;flex:1;max-width:44px;height:52px;border:1px solid var(--hair);
  font-weight:500;text-transform:uppercase;font-size:17px;touch-action:manipulation;
}
.key.wide{max-width:68px;flex:1.5;font-size:13px;text-transform:none}
.key:active{background:var(--wash)}
.key.on{background:var(--fg);border-color:var(--fg);color:var(--ground)}
.key.near{border-color:var(--fg);background:var(--faint)}
.key.near::after{content:"";position:absolute;left:28%;right:28%;bottom:8px;height:3px;background:var(--fg)}
.key.off{border-color:transparent;color:var(--soft);opacity:.4}

.controls{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}
.controls>:first-child{justify-self:start}
#next{justify-self:end}
#next.ready{font-weight:500;color:var(--fg);text-decoration:underline;text-underline-offset:3px}
.range{color:var(--soft);font-size:15px;font-variant-numeric:tabular-nums}
.quiet{color:var(--soft);font-size:15px;min-height:44px;padding:0 4px}
.quiet:hover{color:var(--fg)}

dialog{margin:auto;width:min(92vw,500px);max-height:88dvh;padding:26px;background:var(--ground);color:var(--fg);border:1px solid var(--fg)}
dialog::backdrop{background:rgb(244 241 234 / .35)}
dialog h2{font-size:34px;line-height:1}
.lede{font-size:19px;margin:8px 0 16px}
.rule-list{padding:0 0 0 1.2em;border-top:1px solid var(--hair)}
.rule-list li{padding:9px 0 9px 4px;border-bottom:1px solid var(--hair)}
.eg{position:relative;display:inline-grid;place-items:center;width:26px;height:26px;margin-right:6px;vertical-align:-6px;border:1px solid var(--fg);font-weight:500;text-transform:uppercase;font-size:14px}
.eg.on{background:var(--fg);color:var(--ground)}
.eg.near{background:var(--faint)}
.eg.near::after{content:"";position:absolute;left:6px;right:6px;bottom:3px;height:2px;background:var(--fg)}
.eg.off{border-color:transparent;color:var(--soft);opacity:.5}
.btn{display:block;width:100%;min-height:50px;margin-top:18px;border:1px solid var(--fg);background:var(--fg);color:var(--ground);font-weight:500}
.btn:hover{background:var(--soft)}

@media (prefers-reduced-motion:reduce){.cell.typed,.cell.turn,.row.shake{animation:none}}
@media (max-height:620px){.key{height:42px}.play{gap:4px}}

/* zei.st: the dark ground, soft shapes and cards of the landing */
html{background:var(--ground);color-scheme:dark}
body{background:transparent}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a:focus-visible{border-radius:6px}
dialog{background:rgb(28 26 22 / .97);border:1px solid rgb(244 241 234 / .08);border-radius:28px;box-shadow:0 40px 80px -30px rgb(0 0 0 / .8)}
dialog::backdrop{background:rgb(8 7 6 / .55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.btn,.primary{border-radius:999px;border:1px solid rgb(244 241 234 / .2);background:none;color:var(--fg);transition:background .3s}
.btn:hover{background:rgb(244 241 234 / .06)}
.btn.solid,dialog .btn,.primary,.play .btn{background:var(--fg);color:var(--ground);border-color:var(--fg)}
.btn.solid:hover,dialog .btn:hover,.primary:hover,.play .btn:hover{background:#fff}
select{border-radius:12px;background:#1c1a16;border-color:rgb(244 241 234 / .14)}
.cell{border-radius:8px}.key{border-radius:10px}.eg{border-radius:6px}