.tri{--ink:#153630;--muted:#46655a;--paper:#fffefa;--wash:#eaf3ef;--action:#0a3029;--rule:#a8bcb1;--error:#9f2434;max-width:1120px;margin:0 auto;padding:48px 24px 64px;color:var(--ink);font:400 15px/1.6 'IBM Plex Sans',sans-serif;overflow-wrap:anywhere}
.tri *{box-sizing:border-box}.tri ::selection{background:#81d9b8;color:#0a1c1e}.tri h1,.tri h2,.tri h3,.tri h4{font-family:'Space Grotesk',sans-serif;color:var(--ink);font-weight:600;letter-spacing:-.02em;text-wrap:balance}.tri h1{font-size:32px;line-height:1.18;margin:0 0 14px}.tri h2{font-size:21px;line-height:1.3;margin:0 0 12px}.tri h3,.tri h4{font-size:17px;line-height:1.35;margin:28px 0 10px}.tri p{margin:0 0 16px;max-width:74ch}.tri a{color:#125446;text-decoration:underline;text-underline-offset:3px}.tri :focus-visible{outline:3px solid #075c49;outline-offset:4px}.tri-intro{display:flex;align-items:flex-start;gap:24px;justify-content:space-between;margin-bottom:30px}.tri-intro>div{max-width:690px}.tri-lead{font-size:17px;line-height:1.6}.tri-beta{white-space:nowrap;font-size:13px;font-weight:600;padding:5px 11px;background:var(--wash);border-radius:20px}.tri-workspace{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:36px}.tri-brief{min-width:0}.tri label{display:block;font-weight:600;margin-bottom:8px}.tri-muted{font-size:13px;color:var(--muted)}.tri #tri-input-note{margin-top:8px}.tri button{border:1px solid transparent;border-radius:7px;padding:11px 17px;min-height:44px;background:var(--action);color:#fffefa;font:600 14px/1.4 'IBM Plex Sans',sans-serif;cursor:pointer;transition:background .15s ease-out}.tri button:hover{background:#19403c}.tri button:disabled{cursor:default;background:#d7e1db;color:#46655a}.tri .tri-secondary{background:transparent;border-color:#6b8d7c;color:var(--ink)}.tri .tri-secondary:hover{background:#eaf3ef}.tri .tri-link-button{background:transparent;color:var(--muted);text-decoration:underline;text-underline-offset:3px;padding-inline:4px}.tri-error{color:var(--error);background:#fef4f6;padding:10px 12px;margin-top:16px!important;border-radius:6px}.tri [hidden]{display:none!important}.tri details{margin-top:22px}.tri summary{cursor:pointer;font-weight:600;padding-block:8px;min-height:40px}.tri-scope{background:var(--wash);padding:24px;border-radius:12px;align-self:start}.tri-scope h2{font-size:18px}.tri-scope dl{margin:20px 0}.tri-scope dt{font-weight:600;margin-top:16px}.tri-scope dd{margin:4px 0 0;font-size:14px}.tri-progress{min-height:64px;padding:16px;background:var(--wash);border-radius:8px;margin-bottom:20px}.tri-progress p{margin:0}.tri-progress strong::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:#075653;margin-right:10px;animation:tri-pulse 1.4s ease-in-out infinite}.tri-table-wrap{overflow:auto;scrollbar-color:#6b8d7c #eaf3ef;margin:14px 0 22px}.tri table{border-collapse:collapse;width:100%;font-size:14px;text-align:left;font-variant-numeric:tabular-nums}.tri th,.tri td{padding:9px 12px;border-bottom:1px solid #c8d7ce;vertical-align:top;white-space:normal}.tri th{font-weight:600;color:var(--muted)}.tri td:last-child{font-variant-numeric:tabular-nums}.tri-circuit{padding:8px 0;margin:20px 0;background:var(--paper);border-radius:8px;overflow:auto;scrollbar-color:#6b8d7c #eaf3ef}.tri-circuit svg{display:block;min-width:600px;width:100%;height:auto}.tri-circuit text{font-family:'IBM Plex Sans',sans-serif;fill:var(--ink);font-size:14px}.tri ul,.tri ol{padding-left:23px;margin:12px 0 20px}.tri li{padding-left:3px;margin-bottom:6px}.tri-methods{margin-top:56px;padding-top:30px;border-top:1px solid var(--rule);scroll-margin-top:110px}.tri-method-columns{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:4px}.tri-method-columns h3:first-child{margin-top:15px}.tri-questions{padding:20px 24px;background:var(--wash);border-radius:8px;margin:20px 0}.tri-questions h4{margin:0 0 12px}.tri-questions ol{margin-bottom:0}.tri-illustrative{color:#6e4418;background:#faf0de;padding:10px 14px;border-radius:6px}.tri-small-actions{display:flex;gap:8px;flex-wrap:wrap}.tri-small-actions button{font-size:13px;padding:8px 12px}.tri-history{white-space:pre-wrap}.tri-input-provenance td{max-width:450px}.tri-noscript{padding:20px}.tri svg .tri-wire{fill:none;stroke:#46655a;stroke-width:2}.tri svg .tri-device{fill:#eaf3ef;stroke:#46655a;stroke-width:1.5}.tri svg .tri-symbol{fill:none;stroke:#075653;stroke-width:2}.tri svg .tri-dot{fill:#075653}.tri svg .tri-component-label{font-weight:600}
@keyframes tri-pulse{50%{opacity:.35}}@media(prefers-reduced-motion:reduce){.tri *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.trtools-r1-page .tekrabbits-pcb-site-cta,.trtools-r1-page .trai-nudge{display:none!important}.tri-scroll-cue{display:none;font-size:13px;color:var(--muted);margin:14px 0 6px!important}.tri-circuit:focus-visible{outline:3px solid #075c49;outline-offset:4px}
@media(max-width:760px){.tri-scroll-cue{display:block}}
@media print{.tri .tri-scroll-cue{display:none!important}}
@media(max-width:760px){.tri{padding:30px 18px 44px}.tri h1{font-size:28px}.tri-intro{display:block;margin-bottom:22px}.tri-beta{display:inline-block;margin-top:2px}.tri-workspace{grid-template-columns:1fr;gap:26px}.tri-scope{padding:20px}.tri-scope dl{display:grid;grid-template-columns:1fr;gap:0;margin:8px 0 18px}.tri-scope dt{margin-top:12px}.tri-method-columns{grid-template-columns:1fr;gap:0}.tri-output{scroll-margin-top:85px}.tri th,.tri td{padding:8px}.tri .tekrabbits-ai-response-actions button{flex-grow:1}.tri-lead{font-size:16px}.tri-progress{padding:14px}}
@media print{body *{visibility:hidden}#trtools-r1,#trtools-r1 *{visibility:visible}.tri{position:absolute;top:0;left:0;max-width:none;width:100%;padding:0;font-size:11pt}.tri .tri-workspace,.tri .tri-methods,.tri .tekrabbits-ai-response-actions,.tri .tri-small-actions,.tri #tri-progress{display:none!important}.tri .tri-output{margin-top:15px;padding-top:15px}.tri .tri-circuit{break-inside:avoid}.tri .tri-circuit svg{min-width:0}.tri table{font-size:10pt}.tri details{display:block}.tri details>*{display:block!important}.tri .tri-beta{font-size:10pt}.tri h1{font-size:24pt}.tri a{color:#153630}}

.tri-small-actions .tri-secondary[aria-pressed=true]{background:var(--action);color:var(--paper);border-color:var(--action)}

/* Private response workspace; the surrounding page keeps its existing layout. */
.tri-output{margin-top:40px;scroll-margin-top:110px}




.tri-report-intro>h3,.tri-failure>h3{font-size:21px;line-height:1.3;margin:0 0 12px}
.tri .tri-objective{color:var(--muted);margin-bottom:0}
.tri-recommendation{margin:24px -28px 0;padding:20px 28px;background:var(--wash)}
.tri .tri-recommendation h4{font-size:17px;margin:0 0 8px}
.tri .tri-recommendation p{margin:0}
.tri-calculation{margin-top:28px;padding-top:28px;border-top:1px solid var(--rule);min-width:0}
.tri-calculation>h4{margin:0 0 8px;font-size:19px}
.tri-report-intro+.tri-calculation{border-top:0;padding-top:0}
.tri .tri-calculation-note{font-size:14px;color:var(--muted);margin-bottom:16px}
.tri-worksheet{display:grid;grid-template-columns:minmax(0,1fr) 224px;gap:24px;align-items:center;margin:20px 0 24px}
.tri-drawing,.tri-values{min-width:0}
.tri .tri-worksheet .tri-circuit{background:transparent;margin:0;padding:0;border-radius:0}
.tri-key-values{border-left:1px solid var(--rule);margin:0;padding:0 0 0 24px;font-variant-numeric:tabular-nums}
.tri-key-values>div{padding:12px 0;border-bottom:1px solid #c8d7ce}
.tri-key-values>div:first-child{padding-top:0}
.tri-key-values>div:last-child{padding-bottom:0;border-bottom:0}
.tri-key-values dt{font-size:13px;color:var(--muted);line-height:1.4}
.tri-key-values dd{font-size:21px;font-weight:600;line-height:1.4;margin:4px 0 0}
.tri-network-controls{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;margin:20px 0 8px}
.tri .tri-control-label{font-size:13px;font-weight:600;margin:0}
.tri-output .tri-disclosure{margin:0;border-top:1px solid #c8d7ce}
.tri-output .tri-disclosure>summary{padding:12px 0;min-height:48px;font-size:14px;color:var(--ink)}
.tri-output .tri-disclosure>summary:hover{color:#125446;text-decoration:underline;text-underline-offset:3px}
.tri-output .tri-disclosure[open]{padding-bottom:12px}
.tri-output .tri-disclosure .tri-table-wrap{margin:4px 0 12px}
.tri .tri-model-verdict{margin:16px 0;font-weight:600}
.tri-build-checks{margin-top:28px;padding:24px 0 12px;border-top:1px solid var(--rule)}
.tri-build-checks>h4{font-size:17px;margin:0 0 12px}
.tri-build-checks ul{max-width:74ch;margin-bottom:8px}
.tri .tri-case-meta{margin:20px 0 0}
.tri-retained-report>div{padding-top:20px}

.tri-export-actions,.tri-case-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tri .tekrabbits-ai-response-actions button{font-size:13px;padding:10px 12px}
.tri .tri-delete-confirm{margin:0;padding:24px 28px;border-top:1px solid var(--rule);border-radius:0 0 12px 12px}
.tri button:active:not(:disabled){background:#19403c}
.tri .tri-secondary:active:not(:disabled){background:#d7e1db;color:var(--ink)}
@media(max-width:1100px){
  .tri-worksheet{grid-template-columns:1fr;gap:16px}
  .tri-key-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:16px 0 0;border-left:0;border-top:1px solid #c8d7ce}
  .tri-key-values>div{padding:0;border:0}
}
@media(max-width:767px){
  .tri-recommendation{margin:20px -18px 0;padding:18px}
  .tri-worksheet{margin:16px 0 20px}
  .tri-key-values{grid-template-columns:1fr;gap:12px}
  .tri-key-values>div{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:16px}
  .tri-key-values dd{font-size:19px;margin:0;text-align:right}
  .tri-network-controls{display:block}
  .tri-network-controls .tri-small-actions{margin-top:8px}
  
  .tri-export-actions,.tri-case-actions{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
  .tri-case-actions{margin-top:12px}
  .tri .tekrabbits-ai-response-actions button{width:100%;min-width:0;white-space:normal}
  .tri .tri-delete-confirm{padding:18px}
}
@media print{
  .tri .tri-output{border:0;border-radius:0;margin-top:15px;padding:0;background:transparent}
  .tri .tekrabbits-ai-response-header{background:none;padding:0 0 12px;border-radius:0}
  .tri .tekrabbits-ai-response-body{padding:16px 0}
  .tri .tri-recommendation{margin:16px 0 0;padding:12px 0;background:none}
  .tri .tri-worksheet{grid-template-columns:1fr}
  .tri .tri-key-values{display:grid;grid-template-columns:repeat(3,1fr);border-left:0;padding:0}
  .tri .tri-disclosure{break-inside:avoid}
  .tri .tri-delete-confirm{display:none!important}
}

/* The native input and response shells own their screen colors. */
@media print{.tri .tekrabbits-ai-response-header .tekrabbits-ai-response-title,.tri .tekrabbits-ai-response-header .tekrabbits-ai-response-state{color:#153630}}