/* Cuadre — one stylesheet, no framework, no webfont fetch.
   The page must load and count with the network unplugged; that is the claim. */

:root {
  --bg:#0a0e13; --panel:#111823; --panel-2:#16202e; --line:#22314a;
  --ink:#e9eff7; --ink-dim:#93a3b8; --ink-faint:#61728a;
  --base:#38bdf8; --imp:#fbbf24; --hot:#f87171; --ok:#34d399; --violet:#a78bfa;
  --r:14px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;
  line-height:1.55;-webkit-font-smoothing:antialiased;padding-bottom:5rem}
.wrap{width:100%;max-width:900px;margin:0 auto;padding:0 1.15rem}

.masthead{border-bottom:1px solid var(--line);background:rgba(10,14,19,.85);
  backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:flex;align-items:center;gap:.55rem}
.mark{font-size:1.2rem} .wordmark{font-weight:700;letter-spacing:-.02em}
.ghlink{color:var(--ink-dim);text-decoration:none;font-size:.84rem;border-bottom:1px solid var(--line)}
.ghlink:hover{color:var(--ink)}

.hero{padding:2.8rem 0 1.6rem}
.hero h1{font-size:clamp(1.6rem,4.4vw,2.35rem);line-height:1.16;letter-spacing:-.03em;
  margin:0 0 1rem;text-wrap:balance;max-width:26ch}
.sub{color:var(--ink-dim);margin:0 0 1.15rem;max-width:62ch;font-size:1.03rem}
.sub strong{color:var(--ink)}
.claim{border-left:3px solid var(--base);background:var(--panel);padding:.9rem 1.05rem;
  border-radius:0 var(--r) var(--r) 0;margin:0;font-size:.93rem;color:var(--ink-dim);max-width:66ch}
.claim strong{color:var(--ink);display:block;margin-bottom:.25rem}
code{font-family:var(--mono);font-size:.88em;background:var(--panel-2);padding:.1em .35em;border-radius:5px}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:1.4rem;margin:1.15rem 0}
.stephead{display:flex;align-items:center;gap:.7rem;margin-bottom:1.1rem}
.stepno{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--line);font:700 .78rem var(--mono);color:var(--ink-dim)}
.stephead h2{font-size:1.03rem;margin:0;letter-spacing:-.01em;flex:1}

.badge{font:700 .66rem var(--mono);letter-spacing:.12em;padding:.3rem .6rem;border-radius:999px;border:1px solid}
.v-refused{color:var(--hot);border-color:rgba(248,113,113,.45);background:rgba(248,113,113,.09)}
.v-narrow{color:var(--imp);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.09)}
.v-unique{color:var(--ok);border-color:rgba(52,211,153,.45);background:rgba(52,211,153,.09)}
.v-none{color:var(--violet);border-color:rgba(167,139,250,.45);background:rgba(167,139,250,.09)}

.grid2{display:grid;grid-template-columns:1.15fr .85fr;gap:1.4rem}
@media(max-width:720px){.grid2{grid-template-columns:1fr}}
.lbl{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.09em;
  color:var(--ink-faint);margin-bottom:.5rem}
textarea,input[type=number]{width:100%;background:var(--bg);color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:.8rem;
  font:400 .95rem/1.6 var(--mono);resize:vertical}
input[type=number]{font-size:1.35rem;font-weight:700;padding:.7rem .8rem}
textarea:focus,input:focus{outline:2px solid var(--base);outline-offset:1px}
.hint{color:var(--ink-faint);font-size:.8rem;margin:.6rem 0 0;line-height:1.5}
.presets{margin:1rem 0 .2rem;font-size:.8rem;color:var(--ink-faint)}
.exlabel{margin-right:.35rem}
.ex{background:transparent;border:1px dashed var(--line);border-radius:999px;color:var(--ink-dim);
  font:500 .78rem var(--sans);padding:.3rem .7rem;margin:.2rem .25rem .2rem 0;cursor:pointer}
.ex:hover{border-style:solid;color:var(--ink)}
.primary{margin-top:1rem;width:100%;background:var(--ink);color:var(--bg);border:0;border-radius:10px;
  padding:.85rem 1rem;font:700 1rem var(--sans);cursor:pointer}
.primary:hover{opacity:.9}

/* --- the count -------------------------------------------------------- */
.verdict.refused{border-color:rgba(248,113,113,.35);
  background:linear-gradient(180deg,rgba(248,113,113,.08),transparent 55%)}
.verdict.unique{border-color:rgba(52,211,153,.35);
  background:linear-gradient(180deg,rgba(52,211,153,.08),transparent 55%)}
.verdict.no_explanation{border-color:rgba(167,139,250,.35);
  background:linear-gradient(180deg,rgba(167,139,250,.08),transparent 55%)}
.count{font-family:var(--mono);font-weight:700;letter-spacing:-.035em;margin:.4rem 0 0;
  line-height:1.02;word-break:break-all;color:var(--imp)}
.n-huge{font-size:clamp(1.5rem,5.1vw,2.9rem)}
.n-mid{font-size:clamp(2.2rem,7vw,4rem)}
.n-small{font-size:clamp(3rem,11vw,6rem)}
.verdict.unique .count,.verdict.no_explanation .count{color:var(--ok)}
.verdict.no_explanation .count{color:var(--violet)}
.countcap{color:var(--ink-faint);font-size:.85rem;margin:.55rem 0 1.5rem}
.head{font-size:1.35rem;letter-spacing:-.02em;margin:0 0 .6rem;text-wrap:balance}
.body{color:var(--ink-dim);margin:0;max-width:70ch}

/* --- blocks ------------------------------------------------------------ */
.block{margin-bottom:1.9rem}
.block:last-of-type{margin-bottom:0}
.block h3{font-size:1rem;margin:0 0 .5rem;letter-spacing:-.01em}
.lede{color:var(--ink-dim);font-size:.9rem;margin:0 0 1rem;max-width:70ch}
.note{color:var(--ink-faint);font-size:.83rem;margin:.9rem 0 0;max-width:70ch}

table.lift{width:100%;border-collapse:collapse;font-size:.9rem}
table.lift th{text-align:left;font:600 .7rem var(--mono);letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink-faint);padding:0 .6rem .55rem 0;font-weight:600}
table.lift th.r,table.lift td.r{text-align:right;padding-right:0}
table.lift td{padding:.5rem .6rem .5rem 0;border-top:1px solid var(--line);vertical-align:middle}
td.who{font-family:var(--mono);font-size:.86rem;white-space:nowrap}
td.r{font-family:var(--mono);font-weight:700;color:var(--ink-dim)}
td.r.hot{color:var(--hot)}
.bar{display:inline-block;width:min(160px,42%);height:8px;border-radius:999px;
  background:var(--panel-2);vertical-align:middle;margin-right:.55rem;position:relative;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--base);border-radius:999px}
.bar.imp i{background:var(--imp)}
.v{font-family:var(--mono);font-size:.8rem;color:var(--ink-dim)}

.examples{margin:0;padding-left:1.2rem;color:var(--ink-dim)}
.examples li{margin-bottom:.5rem}
.chip{display:inline-block;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;
  padding:.15rem .45rem;margin:.15rem .3rem .15rem 0;font:600 .8rem var(--mono);color:var(--ink)}
.chip em{font-style:normal;color:var(--ink-faint);font-weight:400}

.constructive{border-left:3px solid var(--ok);padding-left:1.05rem}
.big-answer{font-size:1.02rem;color:var(--ink-dim);margin:0;max-width:70ch}
.big-answer b{color:var(--ink)}

.sum{margin-top:1.3rem;padding:.9rem 1rem;background:var(--panel-2);border-radius:10px;
  font:500 .84rem/1.75 var(--mono);color:var(--ink-dim);overflow-x:auto}
.sum b{color:var(--ink)}
.note2{display:block;color:var(--ink-faint);margin-top:.45rem;font-size:.95em}
.sum a,.body a{color:var(--base)}

/* --- footer ------------------------------------------------------------ */
.foot{margin-top:2.8rem;padding-top:1.5rem;border-top:1px solid var(--line)}
.capped{font-size:.87rem;color:var(--ink-faint);margin:0 0 1.1rem;max-width:70ch}
.capped strong{color:var(--ink-dim)}
.foot nav{display:flex;flex-wrap:wrap;gap:.35rem 1.1rem;font-size:.84rem}
.foot a{color:var(--ink-dim);text-decoration:none;border-bottom:1px solid var(--line)}
.foot a:hover{color:var(--ink)}
.probe{display:inline-flex;align-items:center;gap:.55rem;margin-top:1.5rem;padding:.5rem .85rem;
  border:1px solid var(--line);border-radius:999px;background:var(--panel);
  font:600 .78rem var(--mono);color:var(--ink-dim)}
.probe.zero{border-color:rgba(52,211,153,.45);color:var(--ok)}
.pdot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.pdot.off{background:var(--imp)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}