/* speed-climbing - all styling, no framework, no external font. */
:root{
  --bg:#10151c; --panel:#18202a; --ink:#e7edf4; --dim:#9fb0c2; --line:#2a3646;
  --go:#3fbf6f; --warn:#e8a33d; --bad:#e2574c; --great:#57c8f0; --red:#d01a1a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%}
a{color:var(--great)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(1.6rem,4vw,2.4rem);letter-spacing:-.01em}
h2{font-size:1.25rem;margin-top:0}
h3{font-size:1.05rem;margin-top:1.4em}
.top{padding:1.1rem 1rem .4rem;max-width:64rem;margin:0 auto}
.sub{color:var(--dim);margin:.2rem 0 0}
main{max-width:64rem;margin:0 auto;padding:0 1rem 3rem}
.stage{position:relative;margin:1rem 0 .6rem;border:1px solid var(--line);border-radius:10px;
  overflow:hidden;background:#0c1118}
#view{display:block;width:100%;height:min(62vh,560px);touch-action:manipulation}
.hud{position:absolute;top:.6rem;left:.6rem;background:rgba(8,12,18,.72);border-radius:8px;
  padding:.5rem .7rem;min-width:11rem;backdrop-filter:blur(3px)}
.hud__row{display:flex;justify-content:space-between;gap:1rem;font-variant-numeric:tabular-nums}
.hud__k{color:var(--dim)}
.hud__v{font-weight:600}
.hud__phase{margin-top:.35rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  font-size:.82rem;color:var(--dim)}
.verdict{margin-top:.15rem;font-size:.9rem;min-height:1.3em}
.verdict--neutral{color:var(--dim)}
.verdict--good{color:var(--go)}
.verdict--great{color:var(--great);font-weight:700}
.verdict--warn{color:var(--warn)}
.verdict--bad{color:var(--bad);font-weight:700}
.gauge{position:absolute;right:.6rem;top:.6rem;bottom:.6rem;width:8px;background:rgba(8,12,18,.6);
  border-radius:4px;overflow:hidden}
.gauge__fill{position:absolute;bottom:0;left:0;right:0;height:0;background:var(--go);
  transition:height .08s linear}
.controls{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:1.4rem}
.btn{appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--ink);
  border-radius:8px;padding:.55rem 1rem;font:inherit;cursor:pointer}
.btn:hover{border-color:var(--great)}
.btn--go{background:var(--go);border-color:var(--go);color:#07130c;font-weight:700}
.hint{flex:1 1 22rem;color:var(--dim);font-size:.88rem;margin:0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:1rem 1.1rem;margin:0 0 1.2rem}
.panel p{margin:.6rem 0}
.headline-figure{font-size:1.05rem;border-left:3px solid var(--great);padding-left:.8rem}
.findings{margin:.6rem 0;padding-left:1.1rem}
.findings li{margin:.55rem 0}
.prov{list-style:none;margin:.6rem 0;padding:0}
.prov li{margin:.5rem 0;padding-left:.2rem}
.tally{color:var(--dim);font-size:.88rem}
.tbl{width:100%;border-collapse:collapse;margin:.8rem 0;font-size:.92rem;
  display:block;overflow-x:auto}
.tbl caption{text-align:left;color:var(--dim);font-size:.85rem;padding-bottom:.35rem}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:.35rem .6rem;text-align:left;
  white-space:nowrap}
.tbl th{color:var(--dim);font-weight:600}
.num{text-align:right;font-variant-numeric:tabular-nums}
.row--flag{background:rgba(232,163,61,.10)}
.flag{color:var(--warn);font-size:.78rem;margin-left:.4rem}
.tag{display:inline-block;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;
  border-radius:4px;padding:.1rem .38rem;font-weight:700;vertical-align:.08em}
.tag--documented{background:#14402a;color:#7fe0a6}
.tag--qualified{background:#3d3410;color:#e8cc72}
.tag--derived{background:#12314a;color:#7fc4ef}
.tag--measured{background:#3a1c47;color:#d7a6ee}
.tag--calibrated{background:#402414;color:#efb389}
.tag--reconstructed{background:#3a1418;color:#ef9aa0}
.modal{position:fixed;inset:0;background:rgba(6,9,13,.82);z-index:50;
  align-items:center;justify-content:center;padding:1rem;overflow:auto}
/* `[hidden]` loses to any class rule that sets `display`, so the open state is a class and the
   default state stays display:none. An invisible panel that still eats clicks is the classic bug. */
.modal{display:none}
.modal.is-open{display:flex}
.modal[hidden]{display:none!important}
.modal__box{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:1.2rem 1.3rem;max-width:44rem;max-height:86vh;overflow:auto}
.modal__close{float:right;margin-left:1rem}
.foot{max-width:64rem;margin:0 auto;padding:0 1rem 2rem;color:var(--dim);font-size:.85rem}
@media (max-width:640px){
  #view{height:52vh}
  .hud{min-width:9rem;font-size:.86rem}
}
/* Phones: a compact two-column HUD that stays clear of the progress gauge and the climbers. */
@media (max-width:520px){
  .hud{top:.4rem;left:.4rem;min-width:0;max-width:calc(100% - 2.2rem);padding:.35rem .55rem;
    font-size:.8rem;line-height:1.35;display:grid;grid-template-columns:1fr 1fr;column-gap:.9rem}
  .hud__row{gap:.5rem}
  .hud__phase,.verdict{grid-column:1 / -1}
  .hud__phase{margin-top:.2rem;font-size:.72rem}
  .verdict{font-size:.76rem;margin-top:0}
}