/* ===========================================================
   Comsol Limited - Compliance Calculations - shared stylesheet
   =========================================================== */
:root{
  --teal:#2B7A8A;
  --teal-dark:#1d5965;
  --teal-soft:#e8f1f3;
  --ink:#0f1d24;
  --ink-2:#374b54;
  --muted:#6b7d85;
  --line:#dde4e7;
  --bg:#f4f6f7;
  --card:#ffffff;
  --warn-bg:#fff4e0;
  --warn-line:#e8a543;
  --ok-bg:#e6f4ec;
  --ok-line:#3a8a5c;
  --bad-bg:#fbe8e8;
  --bad-line:#c0392b;
  --shadow:0 1px 2px rgba(15,29,36,.04), 0 6px 18px rgba(15,29,36,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Arial,Helvetica,'Segoe UI',sans-serif;
  font-size:15px;
  line-height:1.55;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:var(--teal-dark)}

/* ============ Top bar ============ */
header.topbar{
  background:#fff;
  color:var(--ink);
  padding:0;
  border-bottom:4px solid var(--teal);
  box-shadow:0 1px 0 rgba(0,0,0,.04);
}
.topbar-inner{
  max-width:none;
  padding:18px 26px 16px;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  position:relative;
}
.brand-center{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:inline-flex;
}
.brand-center img{height:52px;width:auto}
.brand-center:hover{opacity:.85}
@media(max-width:980px){.brand-center{display:none}}
.brand{
  display:flex;align-items:center;gap:14px;
  text-decoration:none;
  color:inherit;
}
.brand:hover{opacity:.92}
.brand .logo-mark{
  display:block;
  width:44px;height:44px;border-radius:10px;
  object-fit:cover;
  box-shadow:0 1px 3px rgba(15,29,36,.18);
  flex:0 0 auto;
}
.brand .word{
  display:flex;flex-direction:column;line-height:1.1;
}
.brand .word .name{
  font-weight:700;font-size:22px;color:var(--teal);letter-spacing:.5px;
}
.brand .word .name em{
  font-style:normal;color:var(--teal);font-weight:700;
}
.brand .word .tag{
  font-size:11.5px;color:var(--muted);letter-spacing:1.5px;
  text-transform:uppercase;font-weight:600;margin-top:2px;
}
.topbar-actions{
  margin-left:auto;
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.tb-link{
  color:var(--teal-dark);
  text-decoration:none;
  font-weight:600;
  font-size:13px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:6px;
  background:#fff;
}
.tb-link:hover{background:var(--teal-soft)}
.tb-link.reg::before{content:'\1F4D6\00A0';}
.print-btn{
  background:var(--teal);color:#fff;border:0;padding:8px 14px;border-radius:6px;
  font:inherit;font-weight:600;font-size:13px;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;
}
.print-btn:hover{background:var(--teal-dark)}
.print-btn::before{content:'\2630';font-size:14px}

/* Disclaimer banner */
.disclaimer-bar{
  background:#fff8e1;
  border-bottom:1px solid #e8c870;
  border-top:1px solid #e8c870;
  padding:10px 26px;
  font-size:13px;
  color:#5a4a14;
  line-height:1.45;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.disclaimer-bar .dc-icon{
  flex:0 0 auto;font-weight:700;color:#9a6f0a;
  background:#f7e7a8;border-radius:50%;width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
}
.disclaimer-bar .dc-text{flex:1 1 380px;min-width:0}
.disclaimer-bar .dc-text strong{color:#3e2e08}
.disclaimer-bar .dc-link{
  flex:0 0 auto;color:var(--teal-dark);text-decoration:none;font-weight:600;
  border-left:1px solid #e8c870;padding-left:14px;
}
.disclaimer-bar .dc-link:hover{text-decoration:underline}

/* ============ Layout ============ */
main.content{
  flex:1 1 auto;
  padding:32px 40px 60px;
  max-width:1100px;
  width:100%;
  margin:0 auto;
}
.crumbs{
  font-size:12.5px;
  color:var(--muted);
  margin:0 0 14px;
}
.crumbs a{color:var(--teal-dark);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{margin:0 6px;color:#bbc7cb}

main.content > h1{
  font-size:28px;font-weight:700;margin:0 0 4px;letter-spacing:-.2px;
}
.lead{
  color:var(--muted);font-size:15px;margin:0 0 18px;
}
.regref{
  display:inline-block;background:var(--teal-soft);color:var(--teal-dark);
  font-family:'Consolas','Courier New',monospace;font-size:12.5px;font-weight:600;
  padding:3px 10px;border-radius:4px;margin-right:6px;margin-bottom:4px;
}
.regref a{color:inherit;text-decoration:none}
.regref a:hover{text-decoration:underline}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:10px;
  padding:22px 24px;
  margin:14px 0;
  box-shadow:var(--shadow);
}
.card h3{margin:0 0 4px;font-size:16px;font-weight:600}
.card .qhint{color:var(--muted);font-size:13.5px;margin:0 0 12px}
.qrow{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:6px;
}
@media(min-width:760px){
  .qrow.two{grid-template-columns:1fr 1fr}
  .qrow.three{grid-template-columns:1fr 1fr 1fr}
}
label.q{
  display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:5px;
}
label.q .unit{color:var(--muted);font-weight:400;margin-left:4px}
input[type=number],input[type=text],input[type=date],select{
  width:100%;
  padding:10px 12px;
  font:inherit;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:6px;
  background:#fff;
  color:var(--ink);
}
input[type=number]:focus,input[type=text]:focus,input[type=date]:focus,select:focus{
  outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(43,122,138,.15);
}
.toggle{
  display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  background:#fff;flex-wrap:wrap;
}
.toggle button{
  flex:1 1 auto;padding:10px 12px;background:#fff;border:0;font:inherit;font-size:14px;
  color:var(--ink-2);cursor:pointer;min-width:120px;
}
.toggle button.on{background:var(--teal);color:#fff;font-weight:600}
.toggle button + button{border-left:1px solid var(--line)}

/* Answer block */
.answers{
  background:var(--teal-soft);
  border:1px solid #c9dde2;
  border-left:5px solid var(--teal);
  border-radius:8px;
  padding:16px 20px;
  margin-top:8px;
}
.answers h4{margin:0 0 10px;font-size:13px;letter-spacing:.5px;text-transform:uppercase;color:var(--teal-dark)}
.answers .row{display:flex;justify-content:space-between;align-items:baseline;padding:6px 0;border-bottom:1px dashed #b9d2d8;gap:10px}
.answers .row:last-child{border-bottom:0}
.answers .lab{color:var(--ink-2);font-size:14px}
.answers .val{font-family:'Consolas','Courier New',monospace;font-weight:600;font-size:18px;color:var(--ink);text-align:right}
.answers .small{font-size:13px;color:var(--muted)}

.note{
  font-size:13px;color:var(--muted);
  background:#f7faf9;border:1px dashed var(--line);border-radius:6px;
  padding:10px 14px;margin-top:10px;
}

/* Tables */
table.lookup{
  width:100%;border-collapse:collapse;margin-top:8px;
  font-size:13.5px;
}
table.lookup th, table.lookup td{
  border:1px solid var(--line);
  padding:6px 9px;text-align:right;
}
table.lookup th{background:#f0f4f5;color:var(--ink-2);font-weight:600;text-align:center}
table.lookup td:first-child{text-align:left;font-weight:500}

.flag{
  display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600;
}
.flag.ok{background:var(--ok-bg);color:var(--ok-line)}
.flag.bad{background:var(--bad-bg);color:var(--bad-line)}
.flag.warn{background:var(--warn-bg);color:#8a5b1a}

/* QRS */
.qrs-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.qrs-table th,.qrs-table td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:right}
.qrs-table th{background:#f0f4f5;font-weight:600;text-align:center;color:var(--ink-2)}
.qrs-table td:first-child{text-align:left;font-weight:500}
.qrs-table input{width:130px;text-align:right}
.qrs-total{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;padding:14px 18px;border-radius:8px;
  background:var(--teal-soft);border:1px solid #c9dde2;
}
.qrs-total .v{font-family:'Consolas','Courier New',monospace;font-size:22px;font-weight:700;color:var(--teal-dark)}

/* Segregation grid */
.seg-grid{overflow-x:auto;margin-top:6px}
.seg-grid table{border-collapse:collapse;font-size:12.5px;min-width:780px}
.seg-grid th,.seg-grid td{border:1px solid var(--line);padding:6px 8px;text-align:center;vertical-align:middle}
.seg-grid th{background:#f0f4f5;color:var(--ink-2);font-weight:600;font-size:11.5px;line-height:1.25}
.seg-grid td.match{background:#fffbe6;color:var(--ink);font-weight:700}
.seg-grid td.dim{color:#9aacb2}

details.refblock{
  background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:12px 16px;margin:8px 0;
}
details.refblock summary{
  cursor:pointer;font-weight:600;color:var(--ink);
  list-style:none;
}
details.refblock summary::-webkit-details-marker{display:none}
details.refblock summary::before{content:"+ ";color:var(--teal);font-weight:700}
details.refblock[open] summary::before{content:"\2013 "}
details.refblock .body{
  margin-top:10px;font-size:13.5px;color:var(--ink-2);white-space:pre-wrap;
}

/* Hazardous Area Wording: leader dots for "description ........ Zone X" lines.
   Zone label is right-flush; dots fill the gap on the last line of the
   (potentially wrapped) description. */
details.refblock .body.ha-body{white-space:normal}
.zone-line{
  display:grid;
  grid-template-columns:minmax(0,max-content) minmax(60px,1fr) auto;
  align-items:last baseline;
  column-gap:10px;
  margin:6px 0;
  line-height:1.55;
}
.zone-desc{
  min-width:0;
}
.zone-dots{
  height:0;
  border-bottom:1.5px dotted #9aacb2;
  align-self:end;
  margin-bottom:.45em;
  min-width:60px;
}
.zone-label{
  font-weight:700;
  white-space:nowrap;
  color:var(--ink);
}
.zone-text{margin:4px 0;line-height:1.55}
.zone-blank{height:.5em}

ul.checklist{list-style:none;padding:0;margin:0}
ul.checklist li{
  display:grid;
  grid-template-columns:1fr 140px 1fr;
  gap:12px;align-items:start;
  padding:10px 12px;border-bottom:1px solid var(--line);
}
ul.checklist li:last-child{border-bottom:0}
ul.checklist .item{font-size:14px;color:var(--ink)}
ul.checklist .status select{padding:6px 8px;font-size:13px}
ul.checklist .notes input{padding:6px 8px;font-size:13px}
.checklist-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}

.cl-row{
  display:grid;
  grid-template-columns:130px 90px 1fr 130px 1fr;
  gap:10px;align-items:start;
  padding:10px 12px;border-bottom:1px solid var(--line);
  font-size:13.5px;
}
.cl-row.cl-3col{grid-template-columns:120px 1fr 130px 1fr}
.cl-row:last-child{border-bottom:0}
.cl-head{
  background:var(--teal-soft);font-weight:700;color:var(--ink);
  font-size:12px;text-transform:uppercase;letter-spacing:.5px;
}
.cl-reg{color:var(--ink-2);font-family:'Consolas','Courier New',monospace;font-size:12px;line-height:1.4}
.cl-scope{font-size:12px}
.scope-pill{
  display:inline-block;padding:2px 8px;border-radius:10px;
  background:var(--teal);color:#fff;font-size:11px;font-weight:600;letter-spacing:.3px;
}
.cl-req{color:var(--ink);line-height:1.45}
.cl-stat select,.cl-notes input{
  width:100%;padding:6px 8px;font:inherit;font-size:13px;
  border:1px solid var(--line);border-radius:5px;background:#fff;
}
@media(max-width:880px){
  .cl-row,.cl-row.cl-3col{grid-template-columns:1fr;gap:6px}
  .cl-head{display:none}
  .cl-reg::before{content:'Reg: ';font-weight:600;color:var(--muted)}
  .cl-scope::before{content:'Scope: ';font-weight:600;color:var(--muted)}
}

button.act{
  background:var(--teal);color:#fff;border:0;padding:9px 14px;border-radius:6px;
  font:inherit;font-weight:600;font-size:13.5px;cursor:pointer;
}
button.act.alt{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
button.act:hover{background:var(--teal-dark)}
button.act.alt:hover{background:#f4f6f7}
a.act{
  background:var(--teal);color:#fff;border:0;padding:9px 14px;border-radius:6px;
  font:inherit;font-weight:600;font-size:13.5px;cursor:pointer;
  display:inline-block;text-decoration:none;
}
a.act.alt{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
a.act:hover{background:var(--teal-dark);color:#fff}
a.act.alt:hover{background:#f4f6f7}

footer.foot{
  padding:24px 40px;color:var(--muted);font-size:12.5px;
  border-top:1px solid var(--line);background:#fff;
}
.disclaimer{
  background:#fffbe6;border:1px solid #ead67a;border-radius:8px;
  padding:12px 16px;font-size:13px;color:#5a4a14;margin:18px 0 22px;
}
.kbd{
  font-family:'Consolas','Courier New',monospace;font-size:12.5px;background:#eef2f3;
  border:1px solid var(--line);padding:1px 5px;border-radius:3px;
}

/* ============ Home page (stepped decision table) ============ */
.hero{
  background:linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color:#fff;
  padding:36px 40px;
  border-radius:12px;
  margin-bottom:22px;
}
.hero h1{font-size:30px;margin:0 0 6px;font-weight:700;letter-spacing:-.2px}
.hero p{margin:0;color:#dceaee;font-size:15px;max-width:760px}

.step-block{
  margin:24px 0 8px;
}
.step-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:var(--teal-dark);
  margin-bottom:10px;
}
.step-label .num{
  background:var(--teal);color:#fff;
  width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;
}
.step-block h2{
  margin:0 0 14px;font-size:20px;font-weight:700;color:var(--ink);
}

.cat-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:12px;
  margin-bottom:8px;
}
.cat-card{
  background:#fff;border:2px solid var(--line);border-radius:10px;
  padding:16px 18px;text-align:left;cursor:pointer;
  font:inherit;color:var(--ink);
  transition:all .15s ease;
}
.cat-card:hover{border-color:var(--teal);background:var(--teal-soft)}
.cat-card.on{border-color:var(--teal);background:var(--teal);color:#fff}
.cat-card .ct{font-weight:700;font-size:15px;margin-bottom:4px}
.cat-card .cd{font-size:12.5px;color:var(--muted)}
.cat-card.on .cd{color:#dceaee}

.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:12px;
  margin-top:8px;
}
.tool-card{
  display:block;text-decoration:none;color:inherit;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:18px 20px;
  transition:all .15s ease;
  box-shadow:var(--shadow);
}
.tool-card:hover{
  border-color:var(--teal);transform:translateY(-2px);
  box-shadow:0 4px 14px rgba(43,122,138,.18);
}
.tool-card .tt{font-weight:700;font-size:16px;color:var(--ink);margin-bottom:4px}
.tool-card .tr{font-family:'Consolas','Courier New',monospace;font-size:11.5px;color:var(--teal-dark);margin-bottom:8px;display:inline-block;background:var(--teal-soft);padding:2px 8px;border-radius:4px}
.tool-card .td{font-size:13px;color:var(--muted)}

.cat-empty{
  color:var(--muted);
  font-size:14px;
  font-style:italic;
  padding:24px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:8px;
}

/* Print-only Comsol header */
.print-header{display:none}

@media(max-width:880px){
  .topbar-inner{padding:14px 18px 12px}
  .disclaimer-bar{padding:10px 18px}
  main.content{padding:22px 18px 60px}
  footer.foot{padding:18px 18px}
  .hero{padding:28px 22px}
  .hero h1{font-size:24px}
}

/* Print: only the active page content, with mini Comsol header */
@media print{
  header.topbar,footer.foot,.print-btn,.disclaimer-bar,.crumbs,.tb-link,.topbar-actions,.checklist-actions{display:none !important}
  body{background:#fff;font-size:11.5pt}
  main.content{padding:0;max-width:none;margin:0}
  .print-header{
    display:block !important;
    border-bottom:3px solid var(--teal);
    padding:0 0 8px 0;
    margin-bottom:14px;
  }
  .print-header .ph-row{display:flex;align-items:center;gap:12px}
  .print-header .ph-logo{
    width:32px;height:32px;border-radius:6px;
    display:inline-block;object-fit:cover;
  }
  .print-header .ph-name{font-size:14pt;font-weight:700;color:var(--ink)}
  .print-header .ph-name em{font-style:normal;color:var(--teal)}
  .print-header .ph-tag{font-size:8.5pt;color:var(--muted);
    text-transform:uppercase;letter-spacing:1px}
  .print-header .ph-meta{margin-left:auto;text-align:right;font-size:8.5pt;color:var(--ink-2)}
  .print-header .ph-disc{
    margin-top:8px;padding:8px 10px;
    background:#fff8e1;border:1px solid #e8c870;border-radius:4px;
    font-size:8.5pt;color:#5a4a14;line-height:1.4;
  }
  input,select,textarea{border:1px solid #999 !important;background:#fff !important}
  details{page-break-inside:avoid}
  details > summary{cursor:default;list-style:none}
  details[open] > summary{font-weight:700}
}