:root{
  --bg:#050a10;
  --surface:#0a111b;
  --surface-2:#0e1825;
  --surface-3:#121f30;
  --text:#f7f9fc;
  --muted:#94a3b8;
  --line:#223247;
  --blue:#087cff;
  --cyan:#16c7ff;
  --silver:#d9e2ec;
  --good:#0b2c22;
  --good-line:#18c77a;
  --warn:#30230a;
  --warn-line:#f4a928;
  --bad:#341417;
  --bad-line:#ff5c64;
  --info:#0a2340;
  --info-line:#258cff;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{
  margin:0;background:
    radial-gradient(circle at 15% 0%,rgba(8,124,255,.12),transparent 28rem),
    linear-gradient(180deg,#050a10 0%,#07101a 100%);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)
}
button,input,select,textarea{font:inherit}
.app{max-width:1120px;margin:0 auto;padding:16px 14px 56px}
.brand-header{
  display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:24px;align-items:center;
  background:linear-gradient(145deg,rgba(10,17,27,.94),rgba(6,12,20,.98));
  border:1px solid var(--line);border-radius:22px;padding:18px 20px;margin-bottom:12px;
  box-shadow:0 16px 50px rgba(0,0,0,.22),inset 0 1px rgba(255,255,255,.03)
}
.brand-logo-wrap{display:flex;align-items:center;justify-content:center;min-width:0}
.brand-logo{display:block;width:100%;max-width:420px;height:auto;object-fit:contain;filter:drop-shadow(0 8px 22px rgba(0,92,255,.16))}
.brand-copy{min-width:0}
.product-kicker{font-size:11px;font-weight:900;letter-spacing:.14em;color:#63b6ff}
h1{font-size:31px;line-height:1.05;margin:6px 0 7px;letter-spacing:-.025em}
.lead{font-size:14px;line-height:1.5;color:#a9b7c9;margin:0}
.runtime{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #2a3a50;
  border-radius:999px;background:#0d1724;color:#e8eef6;font-size:12px;font-weight:800
}
.version-pill{border-color:#1459a8;color:#8dccff}
.dot{width:8px;height:8px;border-radius:50%;background:#6b7280}.dot.good{background:#21d88a}.dot.warn{background:#ffb43d}
.audit-banner{
  display:flex;gap:9px;align-items:center;flex-wrap:wrap;
  border:1px solid #81580d;background:linear-gradient(90deg,#241b08,#181308);
  border-radius:13px;padding:10px 13px;margin-bottom:13px;font-size:12px;line-height:1.45;color:#dfc58a
}
.audit-banner strong{color:#ffd16a;letter-spacing:.03em}
.tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-bottom:14px}
.tab{
  min-height:52px;border:1px solid var(--line);border-radius:13px;
  background:linear-gradient(180deg,#101a28,#0b1420);color:#dbe6f2;
  font-size:14px;font-weight:880;padding:10px
}
.tab.active{background:linear-gradient(135deg,#096fff,#064aab);border-color:#1b87ff;color:#fff;box-shadow:0 8px 24px rgba(0,96,255,.2)}
.tab.locked{opacity:.52}
.panel{display:none}.panel.active{display:block}
.card{
  background:linear-gradient(180deg,rgba(12,20,31,.98),rgba(8,15,24,.98));
  border:1px solid var(--line);border-radius:18px;padding:17px;margin-bottom:14px;
  box-shadow:0 12px 36px rgba(0,0,0,.16)
}
.card h2{font-size:19px;margin:0 0 5px;color:#f7f9fc}.card h3{font-size:15px;margin:0 0 5px;color:#eaf1f8}
.sub{font-size:13px;color:var(--muted);line-height:1.5;margin:0 0 14px}
.method-badge{
  display:inline-block;border:1px solid #205b99;border-radius:999px;
  background:#0c223b;color:#83caff;padding:5px 9px;font-size:11px;font-weight:900;margin-bottom:8px
}
.grid2,.grid3,.grid4{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid4{grid-template-columns:repeat(4,minmax(0,1fr))}
.full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:780;color:#dce6f1;min-width:0}
.field{display:flex;align-items:center;gap:8px;margin-top:6px;min-width:0}
input,select,textarea{
  width:100%;min-width:0;min-height:50px;border:1px solid #2b3d53;border-radius:11px;
  background:#101b29;color:#f7fbff;padding:10px 12px;font-size:16px;outline:none;
  caret-color:#51b8ff
}
input::placeholder,textarea::placeholder{color:#66788d}
select option{background:#101b29;color:#fff}
input:focus,select:focus,textarea:focus{border-color:#1685ff;box-shadow:0 0 0 3px rgba(22,133,255,.17)}
input:disabled,select:disabled{background:#0b121c;color:#637286}
.unit{flex:0 0 auto;min-width:34px;color:#8fa1b7;font-size:13px}
.field-help{display:block;margin-top:5px;color:#75879d;font-size:11px;line-height:1.4;font-weight:500}
button{
  min-height:47px;border:1px solid #2a3c53;border-radius:11px;
  background:#101b29;color:#ecf4fb;padding:10px 14px;font-size:15px;font-weight:850
}
button.primary{background:linear-gradient(135deg,#087cff,#0753bf);border-color:#1a8aff;color:#fff}
button:active{transform:translateY(1px)}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #2b93ff;outline-offset:2px}
.info,.engineering-note{
  background:linear-gradient(180deg,#0b2138,#091a2d);border:1px solid #1d5a92;border-radius:13px;
  padding:12px 13px;font-size:13px;line-height:1.5;color:#c9d9e9
}
.engineering-note{margin-top:13px;border-left:4px solid #1685ff}
.small{font-size:12px;color:#8193a8;line-height:1.5}
.divider{height:1px;background:#223146;margin:16px 0}
.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.result-hero{
  background:
    radial-gradient(circle at 88% 0%,rgba(0,126,255,.22),transparent 17rem),
    linear-gradient(145deg,#07111e,#050a10);
  color:#fff;border:1px solid #21456d;border-radius:17px;padding:19px;box-shadow:inset 0 1px rgba(255,255,255,.03)
}
.result-hero .eyebrow{font-size:12px;color:#96afd0}
.result-hero .big{font-size:43px;font-weight:920;line-height:1.02;margin:6px 0;letter-spacing:-.03em}
.result-hero .note{font-size:13px;color:#aebdd0;line-height:1.45}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-top:10px}
.metric{background:#0e1926;border:1px solid #1d2d40;border-radius:13px;padding:12px;min-width:0}
.metric .k{font-size:11px;color:#7f91a8;line-height:1.25}.metric .v{font-size:20px;font-weight:880;margin-top:4px;color:#f7fbff;word-break:break-word}
.status{border-radius:12px;padding:12px 13px;margin-top:10px;font-size:14px;line-height:1.48}
.status.good{background:var(--good);border:1px solid var(--good-line);color:#c9f6df}
.status.warn{background:var(--warn);border:1px solid var(--warn-line);color:#ffe0a0}
.status.bad{background:var(--bad);border:1px solid var(--bad-line);color:#ffd1d4}
.status.info{background:var(--info);border:1px solid var(--info-line);color:#d3eaff}
.hidden{display:none!important}
details{border-top:1px solid #223146;margin-top:14px;padding-top:12px}
summary{font-size:15px;font-weight:850;cursor:pointer;min-height:42px;padding:6px 0;color:#e8f0f8}
.work{font-size:14px;line-height:1.75;color:#b4c3d4;padding:7px 0}
.pipe-head,.pipe-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:8px;align-items:end}
.pipe-head{font-size:11px;color:#73859b;padding:0 2px 6px}.pipe-row{margin-bottom:8px}
.pipe-row button{width:46px;padding:8px}
.summary-box{background:#0e1926;border:1px solid #1d2d40;border-radius:14px;padding:14px}
.summary-box .big{font-size:31px;font-weight:920;margin-top:4px;color:#fff}
.locked-box{text-align:center;padding:32px 18px}.locked-box .lock{font-size:42px}.locked-box h2{font-size:22px;margin:8px 0}.locked-box p{max-width:720px;margin:0 auto;color:#93a5ba;line-height:1.55}
.commissioning-panel{
  margin-top:14px;padding:14px;border:1px solid #245f9a;border-radius:15px;
  background:linear-gradient(145deg,#081b30,#071421)
}
.commissioning-title{font-size:14px;font-weight:900;color:#70c4ff;margin-bottom:10px;letter-spacing:.02em}
.commissioning-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.commissioning-grid>div{background:#0d1b2a;border:1px solid #203953;border-radius:11px;padding:10px}
.commissioning-grid span{display:block;font-size:11px;color:#7d91aa;margin-bottom:4px}
.commissioning-grid strong{font-size:18px;color:#fff}
.keyboard-done-bar{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:9999;pointer-events:none}
.keyboard-done-button{
  pointer-events:auto;min-width:118px;min-height:54px;border:1px solid #248eff;border-radius:999px;
  background:linear-gradient(135deg,#087cff,#06489f);color:#fff;font-size:17px;font-weight:900;
  box-shadow:0 8px 28px rgba(0,90,220,.4);padding:12px 20px
}
.footer{font-size:11px;color:#61758d;text-align:center;padding-top:4px}
@media(max-width:900px){
  .brand-header{grid-template-columns:1fr;gap:7px}.brand-logo{max-width:380px}.brand-copy{text-align:center}
  .runtime{justify-content:center}.tabs{grid-template-columns:1fr 1fr}.grid4{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr 1fr}.metrics,.commissioning-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .grid2,.grid3,.grid4,.metrics,.commissioning-grid{grid-template-columns:1fr}
  .tabs{grid-template-columns:1fr 1fr}.app{padding-left:10px;padding-right:10px}.brand-header{padding:14px}
  h1{font-size:26px}.result-hero .big{font-size:39px}
}
@media print{
  body{background:#fff;color:#000;padding:0}.app{max-width:none;padding:0}.no-print,.tabs,.runtime,.audit-banner,.keyboard-done-bar{display:none!important}
  .brand-header,.card,.result-hero,.metric,.summary-box,.commissioning-panel{background:#fff!important;color:#000!important;box-shadow:none!important;border-color:#bbb!important}
  .brand-logo{max-width:340px;filter:none}
  h1,h2,h3,label,.result-hero .big,.metric .v,.commissioning-grid strong{color:#000!important}
  .lead,.sub,.small,.work,.result-hero .note,.result-hero .eyebrow,.field-help,.commissioning-grid span{color:#444!important}
  input,select,textarea{background:#fff!important;color:#000!important;border-color:#bbb!important}
}


/* v5.0.1 — Site Entry UX */
.engineer-input-grid{align-items:start}
.pressure-guide{
  margin-top:12px;
  border:1px solid #1f4264;
  border-radius:12px;
  padding:0 12px;
  background:#091827
}
.pressure-guide summary{
  border:0;
  margin:0;
  padding:10px 0;
  min-height:42px;
  font-size:13px;
  color:#9fcefa
}
.pressure-guide[open] summary{border-bottom:1px solid #1a334d}
.pressure-guide .engineering-note{
  margin:0;
  padding:11px 2px 13px;
  border:0;
  background:transparent
}
.site-number-input{
  cursor:pointer;
  -webkit-user-select:none;
  user-select:none;
}
.site-input-active{
  position:relative;
  border-radius:13px;
}
.site-input-active::after{
  content:"";
  position:absolute;
  inset:-7px;
  border:2px solid #1685ff;
  border-radius:14px;
  pointer-events:none;
  box-shadow:0 0 0 4px rgba(22,133,255,.11);
}
.site-keypad{
  position:fixed;
  z-index:10000;
  right:18px;
  bottom:calc(16px + env(safe-area-inset-bottom));
  width:min(360px,calc(100vw - 28px));
  border:1px solid #2b5e91;
  border-radius:20px;
  background:linear-gradient(160deg,#0c1724,#07111b);
  box-shadow:0 22px 70px rgba(0,0,0,.55),0 0 0 1px rgba(40,140,255,.08);
  padding:12px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px)
}
.site-keypad-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:2px 2px 10px
}
.site-keypad-active{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:2px
}
.site-keypad-active span{
  max-width:205px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:11px;
  color:#84a3c1
}
.site-keypad-active strong{
  font-size:24px;
  line-height:1.1;
  color:#fff;
  letter-spacing:.01em
}
.site-keypad-done{
  flex:0 0 auto;
  min-height:44px;
  border-color:#258cff;
  background:linear-gradient(135deg,#087cff,#0750b7);
  color:#fff
}
.site-keypad-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:7px
}
.site-keypad-grid button{
  min-height:51px;
  padding:7px;
  font-size:20px;
  border-radius:11px;
  background:#142235;
  border-color:#2a425d
}
.site-keypad-grid button:active{background:#1d3550}
.site-keypad-grid .site-keypad-secondary{
  font-size:14px;
  color:#b8c7d8;
  background:#0d1927
}
.site-keypad-grid .site-keypad-wide{
  grid-column:1/-1;
  min-height:43px;
  font-size:22px
}
.site-keypad-grid button:disabled{
  opacity:.3;
  pointer-events:none
}
body.site-keypad-open .app{
  padding-bottom:380px
}
body.site-keypad-open .keyboard-done-bar{
  display:none!important
}
.site-entry-enabled input.site-number-input:focus{
  caret-color:transparent
}

/* Any native text keyboard should still have ample scroll room. */
input,select,textarea{
  scroll-margin-top:18px;
  scroll-margin-bottom:46vh
}

@media(max-width:700px){
  .site-keypad{
    left:10px;
    right:10px;
    bottom:calc(10px + env(safe-area-inset-bottom));
    width:auto
  }
  body.site-keypad-open .app{padding-bottom:390px}
}

.site-keypad-grid .key-hint{
  display:inline;
  margin-left:7px;
  font-size:11px;
  color:#87a5c4;
  font-weight:700;
}

/* v5.1.0 remediation status refinements */
.status strong{color:inherit}
#eHydraulicStatus{margin:0 0 12px}
.audit-banner{border-color:#2d6d9f;background:linear-gradient(90deg,#0b2034,#081522);color:#b9d8f1}
.audit-banner strong{color:#66c7ff}

/* v5.2.0 — BS 7074-2 primary-evidence integration */
.evidence-trace{
  display:inline-block;
  margin-top:7px;
  padding:6px 8px;
  border:1px solid #28557f;
  border-radius:8px;
  background:#0a1b2c;
  color:#9fc8ec;
  font-size:12px;
  line-height:1.45
}