/* READ ME app. Numbers locked from Piki's readouts in docs/DESIGN.md (2026-11-15). Dark only, HERD family, accent #73B7E8. */
:root{
  color-scheme:dark;
  --bg:#0C1517; --panel:#132023; --line:#22363A; --fg:#EEEBE2; --body:#CACACA; --muted:#8A9FA0;
  --acc:#73B7E8; --acc-ink:#0A1C29; --ok:#7BD39A; --out:#E9573F; --warn:#E9B14F;
  --display:"Big Shoulders Display",Impact,"Arial Narrow",sans-serif;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  /* fan screens */ --wm:30px; --photo:120px; --qsize:30px; --opth:62px; --optgap:10px; --rowh:52px;
  /* landing */ --hwm:64px; --head:34px; --lgap:28px; --srch:56px; --ctah:60px;
  /* creator screens */ --big:56px;
  /* invite */ --ihead:40px; --igap:32px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--bg);color:var(--fg)}
body{font-family:var(--sans);background:radial-gradient(120% 45% at 50% -10%,rgba(115,183,232,.12),transparent 60%) var(--bg);min-height:100vh}
button,input{font:inherit;color:inherit}
button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
a{color:inherit}
.app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:20px max(16px,env(safe-area-inset-right,0px)) 28px max(16px,env(safe-area-inset-left,0px))}
.scr{flex:1;display:flex;flex-direction:column;gap:16px}
.wm{margin:0;font-family:var(--display);font-weight:900;font-size:var(--wm);line-height:.9;letter-spacing:.02em;text-transform:uppercase;text-decoration:none;color:var(--fg)}
.wm b{color:var(--acc);font-weight:900}
.wm.big{font-size:var(--hwm);line-height:.88}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.eyebrow{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lede{margin:0;font-size:17px;line-height:1.55;color:var(--body)}
.head{margin:0;font-weight:700;font-size:var(--head);line-height:1.2;text-wrap:balance}
.title{margin:0;font-family:var(--display);font-weight:800;font-size:36px;line-height:1;text-transform:uppercase;text-wrap:balance}
.sub{margin:0;font-size:16px;line-height:1.5;color:var(--body)}
.small{margin:0;font-size:14px;line-height:1.5;color:var(--body)}
.err{margin:0;font-size:14px;color:var(--out)}
.cta{width:100%;min-height:var(--ctah);border:0;border-radius:14px;padding:12px 16px;background:var(--acc);color:var(--acc-ink);font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;text-align:center}
.cta:disabled{opacity:.6;cursor:default}
.ghost{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;background:transparent;font:600 15px/1.2 var(--sans);cursor:pointer;text-decoration:none;display:block;text-align:center}
.textbtn{align-self:center;border:0;background:transparent;color:var(--muted);font:600 14px var(--sans);text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:6px}
.push{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:8px}
.box{background:var(--panel);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:8px}
.f{display:flex;flex-direction:column;gap:6px}
.f label{font-size:14px;font-weight:600}
.f input,.field{width:100%;min-height:52px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:var(--panel);font-size:17px}
.f input:focus,.field:focus{outline:2px solid var(--acc);outline-offset:1px}
/* landing */
.land{gap:var(--lgap)}
.hero{display:flex;flex-direction:column;gap:12px}
.find{display:flex;flex-direction:column;gap:8px}
.find input{min-height:var(--srch);border-radius:14px}
.res{display:flex;flex-direction:column;gap:6px}
.hit{display:flex;align-items:center;gap:12px;width:100%;border:0;border-radius:12px;padding:10px 12px;background:var(--panel);text-align:left;cursor:pointer;text-decoration:none}
.hit .ph{flex:none;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:20px;color:var(--acc-ink);background:var(--acc)}
.hit .t{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.hit .t b{font-size:16px}
.hit .t small{font-family:var(--mono);font-size:11px;color:var(--muted)}
.hit .pl{flex:none;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--acc)}
.miss{background:var(--panel);border-radius:12px;padding:12px 14px;font-size:15px;line-height:1.45}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.steps li{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border-radius:14px;padding:14px 16px}
.steps .n{flex:none;font-family:var(--display);font-weight:800;font-size:26px;line-height:1;color:var(--acc);width:1.2ch}
.steps p{margin:0;font-size:16px;line-height:1.45}
.or{margin:0;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.subc{margin:0;font-size:14px;color:var(--muted);text-align:center}
/* creator page */
.photo{flex:none;border-radius:20px;display:grid;place-items:center;font-family:var(--display);font-weight:800;color:var(--acc-ink);background:linear-gradient(150deg,#A9D3F1 0%,var(--acc) 55%,#4F8DBB 100%)}
.who{display:flex;gap:16px;align-items:center}
.who h1{margin:0;font-family:var(--display);font-weight:800;font-size:34px;line-height:1;text-transform:uppercase;overflow-wrap:anywhere}
.who .h{margin:4px 0 0;font-family:var(--mono);font-size:12px;color:var(--muted)}
.pill{align-self:flex-start;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 8px;border-radius:6px;background:var(--warn);color:#2A1D05}
/* game */
.hud{display:flex;align-items:center;gap:10px}
.hud .photo{border-radius:10px}
.hud .nm{font-weight:600;font-size:15px}
.hud .cnt{margin-left:auto;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--muted);font-variant-numeric:tabular-nums}
.hud .cnt b{color:var(--fg)}
.clock{display:flex;align-items:center;gap:10px}
.timer{flex:1;height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.timer i{display:block;height:100%;width:100%;background:var(--acc);transform-origin:left}
.secs{font-family:var(--display);font-weight:800;font-size:22px;color:var(--acc);font-variant-numeric:tabular-nums;min-width:2.2ch;text-align:right}
.q{margin:8px 0 0;font-weight:700;font-size:var(--qsize);line-height:1.25;text-wrap:balance}
.opts{display:flex;flex-direction:column;gap:var(--optgap)}
.opt{position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;width:100%;min-height:var(--opth);padding:10px 14px;border-radius:14px;border:2px solid var(--line);background:var(--panel);font:600 19px/1.2 var(--sans);text-align:left;cursor:pointer}
.opt>*:not(.fill){position:relative}
.opt .fill{position:absolute;inset:0 auto 0 0;background:var(--acc);opacity:.18}
.opt .k{flex:none;font-family:var(--mono);font-size:13px;font-weight:600;width:26px;height:26px;border-radius:7px;display:grid;place-items:center;background:var(--line)}
.opt .lbl{flex:1;min-width:0;overflow-wrap:anywhere}
.opt .tag{flex:none;font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:3px 6px;border-radius:5px}
.opt .pc{flex:none;font-family:var(--display);font-weight:800;font-size:22px;font-variant-numeric:tabular-nums;min-width:3.2ch;text-align:right}
.opts.locked .opt{cursor:default}
.opts.reading .opt{opacity:.55}
.opt.picked{border-color:var(--fg)}
.opt.picked .k{background:var(--fg);color:var(--bg)}
.opt .tag.you{background:var(--fg);color:var(--bg)}
.opt.truth{border-color:var(--acc);background:#1C3A4C}
.opt.truth .k{background:var(--acc);color:var(--acc-ink)}
.opt .tag.her{background:var(--acc);color:var(--acc-ink)}
.opt.dim{opacity:.45}
.opt.mine{border-color:var(--acc)}
.opt.mine .k{background:var(--acc);color:var(--acc-ink)}
.verdict{display:flex;align-items:baseline;gap:10px}
.verdict .v{font-family:var(--display);font-weight:800;font-size:30px;text-transform:uppercase;line-height:1}
.verdict .v.no{color:var(--out)}
.verdict .v.yes{color:var(--ok)}
.verdict span{color:var(--muted);font-size:14px}
.nextin{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.score{display:flex;align-items:flex-end;gap:12px}
.score .n{font-family:var(--display);font-weight:900;font-size:88px;line-height:.85;color:var(--acc);font-variant-numeric:tabular-nums}
.score .of{font-family:var(--display);font-weight:800;font-size:30px;line-height:1;color:var(--muted)}
.sq{display:grid;grid-template-columns:repeat(10,1fr);gap:4px}
.sq i{aspect-ratio:1;border-radius:5px;background:var(--line)}
.sq i.on{background:var(--acc)}
.rank{display:flex;flex-direction:column;gap:4px}
.rhead{display:flex;justify-content:space-between;align-items:baseline}
.row{display:flex;align-items:center;gap:12px;min-height:var(--rowh);padding:0 14px;border-radius:12px;background:var(--panel)}
.row .p{width:2.4ch;font-family:var(--display);font-weight:800;font-size:22px;font-variant-numeric:tabular-nums;color:var(--muted)}
.row .p.top{color:var(--acc)}
.row .nm{flex:1;min-width:0;font-weight:600;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .pts{display:flex;align-items:baseline;gap:10px;font-variant-numeric:tabular-nums}
.row .pts b{font-family:var(--display);font-weight:800;font-size:22px;min-width:2ch;text-align:right}
.row .pts small{font-family:var(--mono);font-size:11px;color:var(--muted);min-width:7ch;text-align:right}
.row.me{background:var(--acc);color:var(--acc-ink)}
.row.me .p,.row.me .pts small{color:var(--acc-ink)}
.row .yt{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.1em;background:var(--acc-ink);color:var(--acc);padding:2px 6px;border-radius:5px;margin-left:6px}
.empty{background:var(--panel);border-radius:12px;padding:14px;font-size:15px;color:var(--body)}
/* stranger */
.card{position:relative;touch-action:pan-y;user-select:none;cursor:grab;transition:transform .25s ease,opacity .25s ease}
.card.go{transform:translateX(-120%) rotate(-8deg);opacity:0}
.card .photo{width:100%;aspect-ratio:4/5;border-radius:22px;font-size:120px}
.card .meta{position:absolute;left:0;right:0;bottom:0;padding:48px 18px 18px;border-radius:0 0 22px 22px;background:linear-gradient(transparent,rgba(12,21,23,.92) 60%)}
.card .meta h2{margin:0;font-family:var(--display);font-weight:800;font-size:38px;line-height:1;text-transform:uppercase}
.card .meta p{margin:6px 0 0;font-size:15px;line-height:1.45;color:var(--body)}
/* creator / sign-up */
.stat{display:flex;flex-direction:column;gap:4px}
.stat .v{font-family:var(--display);font-weight:900;font-size:var(--big);line-height:.9;font-variant-numeric:tabular-nums}
.stat .v b{color:var(--acc);font-weight:900}
.stat .s{margin:0;font-size:14px;color:var(--muted)}
.stepn{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.stepn b{color:var(--fg)}
.segs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.segs i{height:6px;border-radius:3px;background:var(--line)}
.segs i.on{background:var(--acc)}
.otp{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.otp input{width:100%;min-width:0;aspect-ratio:3/4;border:1px solid var(--line);border-radius:12px;background:var(--panel);text-align:center;font-family:var(--display);font-weight:900;font-size:34px;padding:0}
.otp input:focus{outline:2px solid var(--acc);outline-offset:1px}
.pre{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden}
.pre span{display:flex;align-items:center;padding:0 2px 0 14px;font-family:var(--mono);font-size:14px;color:var(--muted);white-space:nowrap}
.pre input{flex:1;border:0;background:transparent;padding:0 14px 0 0;min-height:52px;font-family:var(--mono);font-size:15px;min-width:0}
.pre:focus-within{outline:2px solid var(--acc);outline-offset:1px}
.pre input:focus{outline:0}
.avail{margin:0;font-size:14px;line-height:1.45}
.avail.yes{color:var(--ok)} .avail.no{color:var(--warn)}
.chcard{display:flex;flex-direction:column;gap:8px;background:var(--panel);border-radius:14px;padding:12px 14px 14px}
.chtop{display:flex;align-items:center;justify-content:space-between;gap:8px}
.chtop label{font-size:14px;font-weight:600}
.chcard input{width:100%;min-height:52px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:var(--bg);font-size:17px}
.rm{border:0;background:transparent;padding:4px 0;font:600 13px var(--sans);color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.add{align-self:flex-start;border:0;background:transparent;color:var(--acc);font:700 16px var(--sans);padding:6px 0;cursor:pointer}
.chcard.nudge{animation:shake .42s ease,flash .9s ease}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(2px)}}
@keyframes flash{0%,100%{background:var(--panel)}25%,65%{background:#4A1A14}}
@media (prefers-reduced-motion:reduce){.chcard.nudge{animation:flash .9s ease}.card{transition:none}}
.row2{display:flex;align-items:center;gap:10px}
.row2 code{flex:1;min-width:0;font-family:var(--mono);font-size:14px;overflow-wrap:anywhere}
.row2 .code{font-family:var(--display);font-weight:800;font-size:30px;letter-spacing:.04em;color:var(--acc)}
.copyb{flex:none;border:1px solid var(--line);background:transparent;border-radius:10px;padding:8px 12px;font:600 13px var(--sans);cursor:pointer}
.chl{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.chl li{display:flex;justify-content:space-between;gap:10px;align-items:baseline;background:var(--bg);border-radius:10px;padding:10px 12px}
.chl span{min-width:0;font-family:var(--mono);font-size:13px;overflow-wrap:anywhere}
.chl em{flex:none;font-style:normal;font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--warn)}
.chl em.ok{color:var(--ok)}
.why{display:flex;flex-direction:column;gap:8px}
.why div{background:var(--panel);border-radius:14px;padding:14px 16px}
.why b{display:block;font-size:17px;margin-bottom:4px}
.why span{font-size:15px;line-height:1.45;color:var(--body)}
.ihead{margin:0;font-family:var(--display);font-weight:800;font-size:var(--ihead);line-height:1;text-transform:uppercase;text-wrap:balance}
.ihead b{color:var(--acc)}
.inv{gap:var(--igap)}
.sec{display:flex;flex-direction:column;gap:10px}
.adm{display:flex;flex-direction:column;gap:8px;background:var(--panel);border-radius:14px;padding:14px}
.adm .chrow{display:flex;justify-content:space-between;gap:10px;align-items:center}
.adm button{border:1px solid var(--line);background:transparent;border-radius:10px;padding:6px 10px;font:600 13px var(--sans);cursor:pointer}
.foot{margin-top:24px;display:flex;justify-content:center;gap:16px}
.foot a{font-size:13px;color:var(--muted)}