/* ============================================================
   SWAMP ASS INDEX — field instrument
   Palette: tea-stained khaki parchment x hazard heat scale
   ============================================================ */
:root{
  --bg:#d7d2b8;        /* sickly khaki parchment */
  --panel:#e6e1c9;     /* card paper */
  --panel-2:#cfc9a8;   /* recessed panel */
  --ink:#1b211a;       /* green-black text */
  --ink-soft:#4a5142;
  --line:#9a9576;      /* hairline */
  --line-2:#b6b193;
  --moss:#4f7344;      /* dry / safe */
  --amber:#d28326;     /* light swamp */
  --rust:#b8472e;      /* full swamp */
  --char:#3a1d18;      /* category 5 */
  --stamp:#9c3a24;     /* verdict stamp ink */
  --focus:#2f5d54;
  --display:"Oswald", system-ui, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --body:"IBM Plex Sans", system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.5;
  /* faint paper grit + vignette */
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255,255,255,.35), transparent 55%),
    radial-gradient(140% 120% at 50% 120%, rgba(58,29,24,.10), transparent 60%);
  min-height:100vh;
}

/* caution stripe — recurring structural device from field equipment */
.caution{
  height:10px;
  background-image:repeating-linear-gradient(
    -45deg,var(--ink) 0 14px,transparent 14px 28px);
  opacity:.85;
}

.wrap{max-width:1040px;margin:0 auto;padding:0 20px 64px}

/* ---------- header ---------- */
header.unit{padding:26px 0 18px;border-bottom:1px solid var(--line)}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-soft);
  display:flex;gap:14px;align-items:center;flex-wrap:wrap;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--moss)}
h1{
  font-family:var(--display);font-weight:600;
  font-size:clamp(34px,7vw,68px);line-height:.95;letter-spacing:-.01em;
  text-transform:uppercase;margin:10px 0 6px;
}
h1 .sub{display:block;font-weight:300;color:var(--rust);
  font-size:clamp(15px,2.6vw,22px);letter-spacing:.04em;margin-top:6px}
.tagline{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft);max-width:54ch}

/* ---------- layout ---------- */
.console{display:grid;grid-template-columns:1fr;gap:26px;margin-top:30px}
@media(min-width:860px){.console{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  padding:22px 22px 24px;
  position:relative;
}
.card::before{ /* corner rivet detail */
  content:"";position:absolute;top:8px;right:8px;width:6px;height:6px;
  border:1px solid var(--line);border-radius:50%;
}
.card h2{
  font-family:var(--display);font-weight:500;text-transform:uppercase;
  letter-spacing:.06em;font-size:15px;margin:0 0 2px;
}
.card .panel-id{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  color:var(--ink-soft);text-transform:uppercase}
.divider{height:1px;background:var(--line);margin:14px 0 18px;
  border:0;background-image:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 10px)}

/* ---------- form ---------- */
.field{margin-bottom:16px}
.field:last-child{margin-bottom:0}
label{
  display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px;
}
label .unitTag{color:var(--ink);opacity:.55}
input[type=number],select{
  width:100%;font-family:var(--mono);font-size:16px;color:var(--ink);
  background:var(--panel-2);border:1px solid var(--line);
  padding:11px 12px;appearance:none;border-radius:0;
}
input[type=number]:focus,select[type=number]:focus,select:focus{
  outline:2px solid var(--focus);outline-offset:1px;border-color:var(--focus);
}
select{
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),
    linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);
  background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px;
}
.hint{font-family:var(--mono);font-size:10.5px;color:var(--ink-soft);margin-top:5px;opacity:.85}

/* ---------- gauge ---------- */
.readout{display:flex;flex-direction:column;align-items:center}
.gauge{width:100%;max-width:380px}
.gauge svg{width:100%;height:auto;display:block}
.needle{transform-box:fill-box;transform-origin:50% 100%;
  transition:transform .7s cubic-bezier(.34,1.3,.5,1)}
@media(prefers-reduced-motion:reduce){.needle{transition:none}}
.tick-label{font-family:var(--mono);font-size:9px;fill:var(--ink-soft);letter-spacing:.05em}

.sai{font-family:var(--display);font-weight:600;line-height:1;
  font-size:clamp(56px,13vw,88px);letter-spacing:-.02em;margin:6px 0 0}
.sai .pct{font-size:.42em;font-weight:300;vertical-align:.42em;color:var(--ink-soft)}
.sai-label{font-family:var(--mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-soft);margin-top:2px}

/* verdict stamp */
.verdict{
  margin-top:20px;width:100%;border:2px solid var(--stamp);
  padding:14px 16px;background:rgba(156,58,36,.05);
  position:relative;
}
.verdict .v-class{font-family:var(--display);font-weight:600;text-transform:uppercase;
  font-size:clamp(18px,3.4vw,24px);letter-spacing:.01em;line-height:1.02;color:var(--stamp)}
.verdict .v-desc{font-family:var(--mono);font-size:12.5px;color:var(--ink);margin-top:4px}
.verdict .v-glyph{position:absolute;top:10px;right:12px;font-size:20px;line-height:1}

/* telemetry strip */
.telemetry{margin-top:18px;width:100%;border-top:1px solid var(--line);padding-top:12px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tcell{font-family:var(--mono)}
.tcell .k{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.tcell .v{font-size:14px;color:var(--ink);margin-top:2px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}

footer{margin-top:34px;font-family:var(--mono);font-size:11px;color:var(--ink-soft);
  text-align:center;letter-spacing:.06em}
footer a{color:var(--stamp);text-decoration:none;border-bottom:1px solid var(--line)}