:root{--bg: #f4f5f6;--panel: #ffffff;--ink: #16191c;--muted: #5b636b;--line: #d8dcdf;--accent: #1f6f8b;--good: #2f6b3f;--bad: #a3312c;--warn: #8a6116;--sheet: #ffffff;--sheet-edge: #b9c0c6;--grid: #e8ebed;--trace-process: #16191c;--trace-electrical: #8a6116;--trace-signal: #1f6f8b;--trace-other: #5b636b;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}code,pre{font-family:SF Mono,JetBrains Mono,Menlo,Consolas,monospace;font-size:12px}pre{margin:4px 0 0;padding:6px 8px;background:#f7f8f9;border:1px solid var(--line);border-radius:4px;overflow-x:auto}h1{font-size:20px;margin:0}h2{font-size:13px;margin:0;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}h3{font-size:12px;margin:14px 0 6px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}h3 code,h3 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var(--line);border-radius:6px}.panel+.panel{margin-top:16px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}.panel-actions{display:flex;gap:6px}.panel-body{padding:12px}.panel-warn{border-color:#e0cf9a}.panel-error{border-color:#e3b4b1}.empty{color:var(--muted);font-style:italic;margin:2px 0}button,.button{font:inherit;padding:5px 10px;border-radius:4px;cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:#fff}button:disabled{opacity:.45;cursor:not-allowed}button.ghost,a.ghost{background:transparent;color:var(--accent);border-color:var(--line)}input[type=text],input[type=search]{font:inherit;width:100%;padding:5px 8px;margin:4px 0;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink)}input.invalid{border-color:var(--bad)}.row{display:flex;gap:6px;align-items:center;margin-top:8px;flex-wrap:wrap}.facts{display:grid;grid-template-columns:auto 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td{color:var(--bad)}.palette{max-height:40vh;overflow-y:auto}.palette-entry{display:flex;flex-direction:column;align-items:flex-start;gap:1px;width:100%;text-align:left;background:transparent;color:var(--ink);border:1px solid transparent;border-bottom-color:var(--line);border-radius:0;padding:5px 6px}.palette-entry:hover{background:#f0f4f6}.palette-entry.is-armed{background:#e3f0f5;border-color:var(--accent)}.palette-name{font-weight:500}.palette-meta,.palette-origin{font-size:11px;color:var(--muted)}.objects li button{width:100%;text-align:left;background:transparent;color:var(--ink);border:none;border-bottom:1px solid var(--line);border-radius:0;padding:4px 6px}.objects li button.is-armed{background:#e3f0f5}.objects{max-height:28vh;overflow-y:auto}.capability-layout{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:16px;align-items:start}.capability-catalogue{max-height:calc(100vh - 220px);overflow-y:auto}.capability-catalogue h3{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:12px 0 4px}.capability-list li button{width:100%;text-align:left;background:transparent;color:var(--ink);border:none;border-bottom:1px solid var(--line);border-radius:0;padding:5px 6px;display:flex;flex-direction:column;gap:1px}.capability-list li button:hover{background:#f0f4f6}.capability-list li button.is-armed{background:#e3f0f5;border-left:2px solid var(--accent)}.capability-id{font-family:monospace;font-size:12px}.capability-main{min-width:0}.capability-workbench{display:flex;flex-direction:column;gap:16px}.stage-bar{display:flex;gap:6px;list-style:none;padding:0;margin:0 0 12px;flex-wrap:wrap}.stage-bar li{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:2px 9px;border-radius:10px;background:#e7eaec;color:var(--muted)}.stage-bar li.is-reached{background:#dce9f2;color:#1f4f68}.stage-bar 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var(--line)}.determination-name{font-family:monospace;font-size:12px}.determination-value{font-family:monospace;font-size:12px;font-weight:600}.determination-statement{grid-column:1 / -1;font-size:12px}.determination-basis{grid-column:1 / -1;font-size:11px}.determination-affirmative{border-left-color:#2f7d4a;background:#f1f8f3}.determination-adverse{border-left-color:#a33a3a;background:#fbf1f1}.determination-indeterminate{border-left-color:#7a7f85;background:#f4f5f6}.determination-absent{border-left-color:#b0b4b8;background:#f7f8f8}.determination-unrecognised{border-left-color:#7a5aa8;background:#f6f3fa}.workbench{display:flex;flex-direction:column;flex:1;min-height:0}.workbench-head{display:flex;align-items:baseline;justify-content:space-between;padding:12px 20px 6px}.workbench-body{display:grid;grid-template-columns:300px minmax(0,1fr) 380px;gap:12px;padding:0 12px 12px;flex:1;min-height:0}.workbench-left,.workbench-right{overflow-y:auto;max-height:calc(100vh - 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.armed{color:var(--accent);font-weight:500}.symbol{color:var(--ink)}.symbol.is-hovered{color:var(--accent)}.symbol.is-unresolved{color:var(--bad)}.port{fill:#fff;stroke:var(--muted);stroke-width:.25}.port.is-connected{fill:var(--muted)}.selection-box{stroke:var(--accent);stroke-dasharray:2 1.5}.ghost-connect,.ghost-move,.ghost-place{stroke:var(--accent);fill:none}.annotation{fill:var(--ink)}.splash{min-height:100vh;display:grid;place-items:center;background:#12252e}.splash-card{background:#fff;border-radius:8px;padding:28px 32px;max-width:520px;box-shadow:0 12px 40px #00000040}.splash-card h1{margin-bottom:8px}.splash-error .splash-card{border-top:4px solid var(--bad)}.splash-card .button{display:inline-block;margin-top:10px}.surface-index{list-style:none;padding:0;margin:0}.surface-index li{border-bottom:1px solid var(--line)}.surface-index a{display:flex;flex-direction:column;gap:2px;padding:8px 0}.surface-read{display:flex;flex-direction:column}.slot-absent{color:var(--bad)}.capability-list button[data-absent] .capability-id{text-decoration:line-through}.currentness{border-left:3px solid var(--line);padding-left:10px;margin:10px 0}.currentness[data-status-reading=unreported],.currentness[data-status-reading=unrecognised]{border-left-color:var(--warn)}.lock-domain{margin:8px 0}.lock-domain h4{margin:4px 0 2px;font-size:13px}.lock-list{list-style:none;padding:0;margin:0}.lock-list li{display:flex;flex-direction:column;gap:2px;padding:6px 0;border-bottom:1px dotted var(--line)}.lock-unresolved{border-left:3px solid var(--bad);padding-left:8px}.electrical-facts{display:flex;flex-direction:column}.electrical-facts .panel+.panel{margin-top:16px}.electrical-facts .panel[data-fact]{border-left:4px solid var(--accent)}