:root{
  --vellum:#EEF1F4;
  --vellum-deep:#E1E7EC;
  --ink:#16232E;
  --steel:#5D6E7D;
  --steel-pale:#9AA9B5;
  --rule:#C6D0D9;
  --instrument:#2E3192;
  --pass:#1B6349;
  --fail:#9C3A22;
  --paper:#FBFCFD;
  --sans:'IBM Plex Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--vellum);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.55;
  position:relative;
}
/* Facility elevation watermark -- sits behind everything, fixed to the
   viewport bottom so it reads as ground level regardless of scroll. */
.facility-mark{
  position:fixed;left:0;right:0;bottom:0;z-index:0;
  color:var(--instrument);opacity:.07;pointer-events:none;
  line-height:0;overflow:hidden;
}
.facility-mark svg{width:100%;height:auto;min-width:1100px;display:block}
@media(max-width:760px){.facility-mark{opacity:.05}}
.masthead,.shell,.footnote{position:relative;z-index:1}

/* ---------- masthead ---------- */
.masthead{
  border-bottom:2px solid var(--ink);
  background:var(--paper);
}
.masthead-inner{
  max-width:1240px;margin:0 auto;padding:20px 28px 16px;
  display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:13px}
.logomark{width:auto;height:34px;max-width:160px;flex-shrink:0;object-fit:contain;color:var(--instrument)}
.wordmark{
  font-weight:700;font-size:19px;letter-spacing:-0.01em;margin:0;line-height:1.15;
}
.wordmark .discipline{
  display:block;font-weight:500;font-size:12px;letter-spacing:0.13em;
  text-transform:uppercase;color:var(--instrument);margin-top:3px;
}
.tagline{
  font-size:13px;color:var(--steel);font-style:italic;
  border-left:1px solid var(--rule);padding-left:16px;align-self:center;
}
@media(max-width:760px){.tagline{border-left:0;padding-left:0;flex-basis:100%;margin-top:4px}}
.masthead-rule{
  flex:1;min-width:40px;height:1px;background:var(--rule);
  align-self:center;
}
.clause{
  font-family:var(--mono);font-size:12px;color:var(--steel);
  letter-spacing:0.01em;
}

/* ---------- layout ---------- */
.shell{max-width:1240px;margin:0 auto;padding:28px}
.columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
@media(max-width:940px){.columns{grid-template-columns:1fr}}

.panel{
  background:var(--paper);border:1px solid var(--rule);
}
.panel-head{
  padding:14px 20px;border-bottom:1px solid var(--rule);
  display:flex;align-items:center;gap:12px;
}
.panel-head h2{
  margin:0;font-size:13px;font-weight:600;letter-spacing:0.06em;
  text-transform:uppercase;
}
.panel-body{padding:20px}

/* ---------- form ---------- */
fieldset{border:0;margin:0 0 26px;padding:0}
fieldset:last-of-type{margin-bottom:0}
legend{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--steel);
  padding:0 0 10px;display:block;width:100%;
  border-bottom:1px solid var(--rule);margin-bottom:16px;
}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:5px}
.field.span2{grid-column:1/-1}
label{font-size:13px;font-weight:500}
.hint{font-size:12px;color:var(--steel);font-weight:400}
input[type=text],input[type=number],textarea,select{
  font-family:var(--mono);font-size:14px;color:var(--ink);
  background:#fff;border:1px solid var(--rule);border-radius:0;
  padding:9px 11px;width:100%;
}
input:focus,textarea:focus,select:focus{
  outline:2px solid var(--instrument);outline-offset:-1px;border-color:var(--instrument);
}
textarea{resize:vertical;min-height:76px;line-height:1.7}

.levels{display:flex;gap:0;border:1px solid var(--rule);width:fit-content}
.levels label{
  font-family:var(--mono);font-size:13px;padding:8px 18px;cursor:pointer;
  background:#fff;border-right:1px solid var(--rule);position:relative;
}
.levels label:last-child{border-right:0}
.levels label span{pointer-events:none}
.levels input{position:absolute;opacity:0;pointer-events:none}
.levels input:checked + span{color:#fff}
.levels label:has(input:checked){background:var(--instrument)}
.levels label:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}

.attest{
  display:flex;gap:11px;align-items:flex-start;
  background:var(--vellum-deep);border-left:3px solid var(--instrument);
  padding:13px 15px;margin-top:4px;
}
.attest input{margin:3px 0 0;flex-shrink:0;width:16px;height:16px;accent-color:var(--instrument)}
.attest label{font-size:13px;line-height:1.5}

.actions{display:flex;gap:12px;align-items:center;margin-top:26px;flex-wrap:wrap}
button{
  font-family:var(--sans);font-size:14px;font-weight:600;
  padding:11px 22px;border:1px solid var(--ink);border-radius:0;cursor:pointer;
  background:var(--ink);color:#fff;
}
button:hover{background:#0C1720}
button:focus-visible{outline:2px solid var(--instrument);outline-offset:2px}
button.secondary{background:#fff;color:var(--ink)}
button.secondary:hover{background:var(--vellum-deep)}
button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- results ---------- */
.awaiting{
  padding:44px 24px;text-align:center;color:var(--steel);
}
.awaiting .mark{
  font-family:var(--mono);font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;
}
.awaiting p{margin:10px 0 0;font-size:14px;max-width:34ch;margin-inline:auto}

.verdict{
  padding:18px 20px;border-bottom:1px solid var(--rule);
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
}
.verdict .tag{
  font-family:var(--mono);font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;color:var(--steel);
}
.verdict .state{font-size:19px;font-weight:700;letter-spacing:-0.01em}
.verdict.is-pass{background:#EDF5F1;border-left:4px solid var(--pass)}
.verdict.is-pass .state{color:var(--pass)}
.verdict.is-fail{background:#F8EDE9;border-left:4px solid var(--fail)}
.verdict.is-fail .state{color:var(--fail)}
.verdict.is-note{background:var(--vellum-deep);border-left:4px solid var(--steel)}

/* signature element: readings profile */
.profile{padding:20px;border-bottom:1px solid var(--rule)}
.profile h3,.values h3,.notes h3{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--steel);margin:0 0 14px;
}
.bars{display:flex;align-items:flex-end;gap:3px;height:104px;position:relative;padding-top:16px}
.bar{
  flex:1;min-width:5px;background:var(--instrument);position:relative;
  transition:height .45s cubic-bezier(.2,.7,.3,1);
}
.bar.below{background:var(--fail)}
.bar-scale{
  display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:11px;color:var(--steel);
  margin-top:8px;padding-top:7px;border-top:1px solid var(--rule);
}
.limit{
  position:absolute;left:0;right:0;border-top:2px dashed var(--fail);
  pointer-events:none;
}
.limit span{
  position:absolute;right:0;top:-17px;background:var(--paper);
  font-family:var(--mono);font-size:11px;color:var(--fail);padding-left:6px;
}
@media(prefers-reduced-motion:reduce){.bar{transition:none}}

.values{padding:20px;border-bottom:1px solid var(--rule)}
table{width:100%;border-collapse:collapse}
td{padding:8px 0;border-bottom:1px solid var(--vellum-deep);vertical-align:baseline}tr:last-child td{border-bottom:0}
td.k{font-size:13px;color:var(--steel);padding-right:14px}
td.v{font-family:var(--mono);font-size:14px;font-weight:500;text-align:right;white-space:nowrap}

.notes{padding:20px}
.notes ul{margin:0;padding:0;list-style:none}
.notes li{
  font-family:var(--mono);font-size:12.5px;line-height:1.65;
  color:var(--ink);padding:6px 0 6px 15px;position:relative;
}
.notes li::before{
  content:'';position:absolute;left:0;top:13px;
  width:6px;height:1px;background:var(--steel-pale);
}

.report-bar{padding:16px 20px;border-top:1px solid var(--rule);background:var(--vellum-deep)}

/* ---------- errors ---------- */
.error{padding:20px;border-left:4px solid var(--fail);background:#F8EDE9}
.error h3{margin:0 0 8px;font-size:15px;font-weight:600;color:var(--fail)}
.error pre{
  font-family:var(--mono);font-size:12.5px;line-height:1.6;
  white-space:pre-wrap;word-break:break-word;margin:0;color:var(--ink);
}

.footnote{
  max-width:1240px;margin:0 auto;padding:0 28px 40px;
  font-size:12.5px;color:var(--steel);line-height:1.6;
}
.footnote strong{color:var(--ink);font-weight:600}