/* RKCadTools — Toolkit Blue, Signal Amber and structural neutrals. */
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url('./InterVariable.woff2') format('woff2')}

:root{
  --brand-primary:#1F6FB8;--brand-primary-dark:#185A96;--brand-tint:#EAF2F9;
  --brand-secondary:#D08A2B;--amber-tint:#FCF3E5;--amber-ink:#81551B;
  --ink-900:#1A1F2A;--ink-700:#3D4655;--ink-500:#6B7280;--ink-300:#B4BAC4;
  --surface-50:#F7F8FA;--surface-0:#FFFFFF;--line:#DDE1E7;--danger:#C53636;
  --added:#E5F7EB;--removed:#FDE2E2;--changed:#FFF4D6;--skipped:#ECEFF3;--table-head:#D9EAF7;
  --ink:var(--ink-900);--muted:var(--ink-500);
  color-scheme:light;
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:14px;line-height:1.55;color:var(--ink);background:var(--surface-50)
}
*{box-sizing:border-box}
body{margin:0}
main{max-width:1220px;margin:auto;padding:0 36px 26px}
button,input,select,textarea{font:inherit}
button,a,input,select,summary{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--brand-primary);outline-offset:4px}
a{color:var(--brand-primary)}
a:hover{text-decoration:underline}

button,.button{
  cursor:pointer;border:1px solid var(--brand-primary);border-radius:6px;padding:11px 18px;
  background:var(--brand-primary);color:#fff;font-weight:500;letter-spacing:-.01em;line-height:1.4;
  display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;
  transition:background .15s,border-color .15s
}
button:hover,.button:hover{background:var(--brand-primary-dark);border-color:var(--brand-primary-dark);text-decoration:none}
button:disabled{cursor:not-allowed;opacity:.5}
.secondary{background:var(--surface-0);border-color:var(--ink-300);color:var(--ink);padding:10px 15px}
.secondary:hover{background:#F0F5FA;border-color:var(--brand-primary)}
.text-button{background:transparent;border-color:transparent;color:var(--brand-primary);padding:10px 0}
.text-button:hover{background:transparent;border-color:transparent;color:var(--brand-primary-dark);text-decoration:underline}

/* Masthead */
.masthead{
  display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:76px;
  background:var(--surface-0);border-top:3px solid var(--brand-primary);border-bottom:1px solid var(--line);
  margin:0 -36px;padding:16px 36px
}
.wordmark{display:flex;align-items:center;color:var(--ink);text-decoration:none;font-weight:600}
.wordmark:hover{text-decoration:none}
.brandWordmark{display:block;flex:none;max-width:100%}
.productName{font-size:14px;letter-spacing:-.01em;border-left:1px solid var(--ink-300);padding-left:18px}
.productName small{display:block;font-size:9px;letter-spacing:1px;font-weight:500;color:var(--muted);margin-top:1px}
.privacy{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--ink-700)}
.privacy span{font-size:8px;color:var(--brand-primary)}

/* Intro */
.intro{padding:44px 0 28px}
.eyebrow{font-size:10px;font-weight:600;letter-spacing:1.7px;text-transform:uppercase;color:var(--brand-primary);margin:0 0 15px}
h1{font-size:clamp(30px,3.7vw,46px);line-height:1.17;letter-spacing:-.02em;font-weight:600;margin:0 0 18px}
h2{font-size:21px;line-height:1.3;letter-spacing:-.02em;font-weight:600;margin:0 0 4px}
p{margin:6px 0 14px}
.intro>p:last-child{color:var(--ink-700);font-size:15px;line-height:1.75;max-width:700px;margin:0}

/* Cards */
.card{background:var(--surface-0);border:1px solid var(--line);border-radius:8px;padding:26px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}
.section-title{display:flex;gap:14px;margin-bottom:20px}
.section-title p{font-size:12px;color:var(--muted);margin:0}
.step{
  border:1px solid var(--brand-secondary);background:var(--amber-tint);color:var(--amber-ink);
  font-size:11px;font-weight:600;width:29px;height:29px;display:grid;place-items:center;border-radius:6px;flex-shrink:0
}

/* File pickers */
.file-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.file-box{
  border:1.5px dashed var(--ink-300);background:var(--surface-50);border-radius:8px;padding:18px;
  display:flex;flex-direction:column;gap:5px;cursor:pointer;overflow:hidden;
  transition:background .15s,border-color .15s
}
.file-box:hover{background:var(--brand-tint);border-color:var(--brand-primary)}
.file-box:focus-within{outline:2px solid var(--brand-primary);outline-offset:3px}
.file-box>span{font-size:11px;color:var(--muted)}
.file-box .file-kind{font-size:9px;color:var(--brand-primary);letter-spacing:1.6px;font-weight:600}
.file-box strong{font-size:15px;font-weight:600;letter-spacing:-.01em}
.file-box input[type=file]{font-size:11px;width:100%;margin-top:8px;padding:0;background:transparent;border:0;min-height:0}
.file-box input::file-selector-button{border:1px solid var(--ink-300);background:var(--surface-0);padding:5px 9px;border-radius:5px;margin-right:8px;color:var(--ink);cursor:pointer;font-weight:500}
.file-box .file-name{color:var(--brand-primary);overflow-wrap:anywhere}
.paste-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}

/* Form controls */
label{font-size:12px;font-weight:600;display:block;color:var(--ink-700)}
input,select,textarea{display:block;width:100%;border:1px solid var(--ink-300);border-radius:6px;background:var(--surface-0);color:var(--ink);padding:9px 10px;margin-top:5px;min-height:39px}
input:hover,select:hover,textarea:hover{border-color:var(--brand-primary)}
input[type=checkbox],input[type=radio]{width:16px;height:16px;min-height:0;margin:0;accent-color:var(--brand-primary)}
.check{display:flex;align-items:center;gap:9px;font-weight:400}
.row{display:flex;gap:18px;align-items:end;flex-wrap:wrap;margin:14px 0}
.row>label{flex:1;min-width:170px}
.row #header-row,.row #combined-delimiter{max-width:115px}
.column-picker{display:flex;gap:9px;flex-wrap:wrap;margin:10px 0 18px}
.column-picker label{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--surface-50);border-radius:5px;padding:7px 10px;font-size:11px;font-weight:500;cursor:pointer}
.column-picker label:hover{border-color:var(--brand-primary);background:var(--brand-tint)}
.column-picker label:has(input:checked){border-color:var(--brand-primary);background:var(--brand-tint);color:var(--brand-primary-dark)}
.hint{font-size:11px;color:var(--muted);font-weight:400}

/* Compare mode */
.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}
.mode{border:1px solid var(--line);border-radius:8px;padding:14px;display:flex;gap:10px;align-items:flex-start;cursor:pointer;background:var(--surface-50)}
.mode:has(input:checked){border-color:var(--brand-primary);background:var(--brand-tint)}
.mode input{margin-top:3px;flex:none}
.mode strong{display:block;font-size:13px;font-weight:600;color:var(--ink)}
.mode span{font-size:11px;color:var(--muted);font-weight:400}

/* Key mappings */
.mapping{display:flex;align-items:center;gap:10px;margin:8px 0}
.mapping-old{flex:1;min-width:0;font-size:12px;font-weight:600;background:var(--surface-50);border:1px solid var(--line);border-radius:6px;padding:9px 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mapping-arrow{color:var(--muted);flex:none}
.mapping select{flex:1;min-width:0;margin-top:0}
.mapping button{padding:9px 12px;flex:none}
#combined-preview{font-size:11px;color:var(--brand-primary-dark);font-weight:500;margin:10px 0 0;overflow-wrap:anywhere}

/* Tables */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;margin-bottom:18px;max-height:230px}
table{border-collapse:collapse;width:100%;text-align:left;font-size:11px}
th{background:var(--table-head);color:var(--ink-900);font-weight:600;position:sticky;top:0;z-index:1}
th,td{padding:8px 11px;border-bottom:1px solid var(--line);white-space:nowrap;max-width:280px;overflow:hidden;text-overflow:ellipsis}
.preview-caption{font-size:11px;font-weight:600;color:var(--ink-700);margin:12px 0 6px}
.status-added td{background:var(--added)}
.status-removed td{background:var(--removed)}
.status-changed td{background:var(--changed)}
.status-skipped td{background:var(--skipped);color:var(--ink-700)}
.results td{white-space:normal;overflow-wrap:anywhere;min-width:75px}
.results td:nth-child(3){min-width:145px}
.results td:nth-last-child(-n+2){min-width:140px}
.attention{background:var(--amber-tint);color:var(--amber-ink);border-left:3px solid var(--brand-secondary);padding:12px 14px;border-radius:4px}
.hint.attention{color:var(--amber-ink)}
.mapping .missing,.mapping select[aria-invalid=true]{border-color:var(--danger);color:var(--danger)}
.empty-state{padding:20px;border:1px dashed var(--ink-300);border-radius:8px;color:var(--muted);font-size:12px}
#results-title:focus-visible{outline:3px solid var(--brand-primary);outline-offset:4px}

/* Disclosures */
details{border-top:1px solid var(--line);margin-top:14px;padding-top:13px}
summary{cursor:pointer;font-size:12px;font-weight:600;color:var(--ink-700);padding:2px 0}
summary:hover{color:var(--brand-primary)}
details[open]>summary{margin-bottom:14px}
fieldset{border:0;padding:0;margin:0;min-width:0}

/* Run and status */
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.run-card{border-left:3px solid var(--brand-primary)}
.run-card #status{margin:16px 0 0;font-size:12px;color:var(--muted);white-space:pre-wrap}
.error,#status.error{color:var(--danger);background:#FCF0F0;border:1px solid #E8BBBB;padding:12px;border-radius:6px}
progress{width:100%;height:7px;margin-top:18px;accent-color:var(--brand-primary)}

/* Results */
.results{border-top:3px solid var(--brand-primary)}
.stats{display:flex;gap:36px;margin:20px 0;flex-wrap:wrap}
.stat strong{display:block;font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1.3}
.stat span{font-size:11px;color:var(--muted)}
.results-toolbar{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin:18px 0 12px}
.results-toolbar label{flex:0 0 auto}
.results-toolbar #results-search{min-width:220px}
.results-toolbar .search{flex:1;min-width:200px}
#results-count{font-size:11px;color:var(--muted);padding-bottom:10px}
.results .table-wrap{max-height:460px}

#boot{font-size:12px;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--surface-0);color:var(--ink-700);margin-top:20px}
.version{margin-left:8px;color:var(--ink-500)}
footer{font-size:10px;letter-spacing:.3px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;margin:24px 0 0;padding-top:18px;border-top:1px solid var(--line)}
[hidden]{display:none!important}
/* Opening guidance and help follow the P&ID Class Audit layout. */
h1>span{color:var(--brand-primary)}
.start-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,1fr);gap:26px;align-items:start;margin-bottom:16px}
.start-grid>.card{min-width:0;margin-bottom:0}
.start-grid .file-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.start-grid .row>label{min-width:0;flex:1}
.start-grid .row>label:last-child{flex:0 0 105px}
.guide-card{min-width:0;padding:26px 12px}
.guide-card .eyebrow{margin-bottom:16px}
.guide-card h2{font-size:23px;line-height:1.3}
.guide-steps{list-style:none;padding:0;margin:25px 0 20px}
.guide-steps li{display:flex;gap:13px;margin-bottom:20px}
.guide-steps li>span{display:grid;place-items:center;flex:none;width:26px;height:26px;border:1px solid var(--brand-secondary);border-radius:6px;background:var(--amber-tint);color:var(--amber-ink);font-size:11px}
.guide-steps strong{font-size:12px;font-weight:600}
.guide-steps p{font-size:12px;color:var(--muted);line-height:1.65;margin:4px 0 0}
.guide-note{border-top:1px solid var(--line);padding-top:15px;font-size:12px;color:var(--muted);margin:0}
.local-note{display:flex;justify-content:center;align-items:center;gap:7px;font-size:10px;color:var(--muted);margin:20px 0 0}
.local-note svg{flex:none}
.help{margin:28px 0 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
.help>summary{color:var(--muted);font-size:12px;font-weight:600}
.help>summary:hover{color:var(--brand-primary)}
.help[open]>summary{margin-bottom:0}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:35px;margin-top:12px}
.help h3{font-size:13px;font-weight:600;color:var(--ink);margin:18px 0 8px}
.help p{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 12px;overflow-wrap:anywhere}
.help .help-note{margin:20px 0 8px}
@media(max-width:1000px){
  .start-grid{grid-template-columns:1fr;gap:0}
  .guide-card{padding:22px 8px 12px}
  .guide-card h2 br{display:none}
  .guide-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:20px 0}
  .guide-steps li{display:block;margin:0}
  .guide-steps li>span{margin-bottom:8px}
}
@media(max-width:640px){
  .start-grid .file-grid,.help-grid{grid-template-columns:1fr}
  .help-grid{gap:0}
  .guide-card{padding:22px 0 12px}
  .guide-steps{display:block}
  .guide-steps li{display:flex;margin-bottom:18px}
  .guide-steps li>span{margin-bottom:0}
  .local-note{align-items:flex-start;justify-content:flex-start}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:640px){
  main{padding:0 18px 20px}
  .masthead{margin:0 -18px;padding:14px 18px;align-items:flex-start;flex-wrap:wrap;gap:10px}
  .wordmark{flex-wrap:wrap;column-gap:12px}
  .brandWordmark{width:200px}
  .productName{padding-left:0;border-left:0}
  .privacy{font-size:10px}
  .intro{padding:30px 0 20px}
  h1{letter-spacing:-1px}
  .card{padding:20px 16px}
  .file-grid,.paste-grid,.modes{grid-template-columns:1fr}
  .mapping{flex-wrap:wrap}
  .mapping-old{flex:1 0 100%}
  .stats{gap:20px}
  footer{flex-direction:column;gap:5px}
  .actions .hint{width:100%}
}

/* Embedded in a WordPress page. The site header already carries the branding,
   so the in-app masthead is dropped and the layout runs edge to edge. */
.rk-embedded body{display:flow-root}
.demo-prompt{border-top:1px solid var(--line,#DDE1E7);padding-top:18px;margin-top:20px;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.demo-prompt p{font-size:12px;color:#6B7280;line-height:1.65;margin:0}
.demo-prompt a{font-size:12px;color:#1F6FB8}
.demo-prompt small{font-size:11px;color:#6B7280}
.sample-notice{background:#FCF3E5;border-left:3px solid #D08A2B;border-radius:6px;padding:14px 16px;font-size:12px;line-height:1.65;color:#81551B;margin:0 0 24px}
.results .sample-notice{margin:18px 0}
.rk-embedded .masthead{display:none}
.rk-embedded main{max-width:none;padding-left:clamp(18px,4vw,64px);padding-right:clamp(18px,4vw,64px)}