:root{--font-head: "Montserrat", system-ui, sans-serif;--font-ui: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;--bg: #f4f7f3;--panel: #ffffff;--ink: #1b2a1f;--muted: #55665a;--line: #d9e1d8;--accent: #196b24;--shadow: 0 1px 2px rgba(20, 40, 25, .06), 0 6px 20px -12px rgba(20, 40, 25, .25);--ok: #2fa864;--warn: #e8b931;--bad: #d64545;--pod: #9aa6b8;--empty: #e9edf2;--gated-static: #cfd8e6;--stair: #e7effc;--hoist: #efe9fb;--corr: #fff6dd;--lobby: #ffe9cf;--unit: #f1f3f6;--garage: #e6e6e6;--supply: #1f6feb;--relief: #b4561d;color-scheme:light;font:13px/1.45 var(--font-ui)}@media (prefers-color-scheme: dark){:root{--bg: #12161c;--panel: #1a2029;--ink: #e4e8ee;--muted: #8d97a6;--line: #2c3440;--accent: #4fae5b;--empty: #252c37;--gated-static: #34405a;--stair: #1d2b44;--hoist: #2a2342;--corr: #3a3320;--lobby: #40301d;--unit: #232a34;--garage: #2c2c2c;--pod: #6c7686;--supply: #5b9cff;--relief: #e08a4c;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,select,input{font:inherit;color:inherit}button{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:5px 12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}h1,h2,h3{font-family:var(--font-head)}code{font-family:var(--font-mono)}button.small{padding:2px 8px;font-size:12px}select,input{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:5px 8px}a{color:var(--accent);cursor:pointer;text-decoration:none;margin-right:6px}a:hover{text-decoration:underline}code{font-size:12px}.muted{color:var(--muted)}.small{font-size:12px}.small-label{font-size:12px;font-weight:400}.bad-text{color:var(--bad)}.num-changed{font-weight:600;text-decoration:underline dotted}.ok-text{color:var(--ok)}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:16px;padding:8px 14px;background:var(--panel);border-bottom:2px solid var(--accent);flex-wrap:wrap}.brand{font-family:var(--font-head);font-weight:700;font-size:16px;white-space:nowrap;display:flex;align-items:center;gap:10px}.brand img{display:block}.brand .muted{font-family:var(--font-ui);font-weight:400;font-size:12px}.whoami{padding:4px 14px;text-align:right}.whoami a{margin:0}.gate{min-height:100vh;display:grid;place-items:center;padding:20px}.gate-card{width:min(100%,380px);background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;gap:12px}.gate-card h1{margin:4px 0 0;font-size:22px}.gate-card p{margin:0}.gate-card label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--muted)}.gate-card input{font-size:15px;padding:10px 12px}.gate-card button{padding:10px 14px;min-height:44px}.gate-logo{height:44px;width:auto;align-self:flex-start}.gate-error{color:var(--bad)}.loader{display:flex;gap:6px;flex:1;min-width:300px}.path-input{flex:1;min-width:160px}.city-input{width:auto}.status{display:flex;gap:12px;font-size:12px;white-space:nowrap}.busy{color:var(--accent)}.error{background:color-mix(in srgb,var(--bad) 15%,var(--panel));color:var(--ink);border-bottom:1px solid var(--bad);padding:6px 14px;cursor:pointer;white-space:pre-wrap}.workspace{flex:1;display:grid;grid-template-columns:300px auto minmax(560px,1fr);gap:10px;padding:10px;min-height:0;position:relative}.left,.center,.right{min-height:0;overflow:auto}.left{display:flex;flex-direction:column;gap:10px}.center{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px}.right{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px;display:flex;flex-direction:column}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:var(--shadow)}.panel h2{font-size:13px;margin:0 0 8px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.model-info h2{font-size:14px}.row-actions{margin-top:6px;display:flex;gap:8px;align-items:center}.system{border-top:1px solid var(--line);padding:6px 0}.system:first-of-type{border-top:0}.system.unpress{opacity:.75}.sys-head{cursor:pointer;display:flex;gap:6px;align-items:baseline}.sys-line{font-size:12px;margin-top:2px}.mark-unpress{display:block;margin-top:4px}.badges{margin-left:auto;display:flex;gap:3px}.badge{font-size:10px;padding:1px 5px;border-radius:8px;font-weight:600}.badge.ok{background:color-mix(in srgb,var(--ok) 25%,transparent);color:var(--ok)}.badge.no{background:color-mix(in srgb,var(--bad) 20%,transparent);color:var(--bad)}.badge.warn{background:color-mix(in srgb,var(--warn) 25%,transparent);color:var(--ink)}.modal.wide{width:min(1100px,calc(100vw - 32px))}.inputs-tab{overflow:auto;padding:8px 10px}.inputs-tab h4{margin:12px 0 4px}.decision{border-top:1px solid var(--line);padding:4px 0}.warn-text{color:color-mix(in srgb,var(--warn) 70%,var(--ink));font-weight:600}.slider{display:grid;grid-template-columns:1fr;gap:2px;margin-top:4px;font-size:12px}.slider input[type=range]{width:100%}.slider{grid-template-columns:1fr 86px}.slider span{grid-column:1 / -1}.finding{border-left:3px solid var(--line);padding:4px 8px;margin:6px 0}.finding.sev-error{border-color:var(--bad)}.finding.sev-warn{border-color:var(--warn)}.finding.sev-info{border-color:var(--pod)}.f-title{font-weight:600}.f-detail{font-size:12px;color:var(--muted)}.f-actions{display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin-top:3px;font-size:12px}.count{font-size:11px;padding:0 6px;border-radius:8px}.count.err{background:color-mix(in srgb,var(--bad) 20%,transparent);color:var(--bad)}.count.warn{background:color-mix(in srgb,var(--warn) 25%,transparent)}.case-bar{display:flex;flex-wrap:wrap;gap:4px}.chip{padding:2px 8px;border-radius:12px;font-size:12px}.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:11px}.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:-1px}.stack-scroll{overflow:auto}.stack-svg .level-band{fill:transparent}.stack-svg .level-row:nth-child(2n) .level-band{fill:color-mix(in srgb,var(--line) 25%,transparent)}.stack-svg .level-row.active .level-band{fill:color-mix(in srgb,var(--accent) 14%,transparent)}.stack-svg .level-row{cursor:pointer}.axis-label{font-size:11px;fill:var(--ink);font-weight:600}.axis-sub{font-size:10px;fill:var(--muted)}.col-title{font-size:13px;font-weight:700;fill:var(--ink);cursor:pointer}.col-sub{font-size:10px;fill:var(--muted)}.shaft{stroke:var(--line);stroke-width:1}.shaft-stair{fill:var(--stair)}.shaft-hoist{fill:var(--hoist)}.cell{stroke:transparent}.cell.clickable{cursor:pointer}.cell.selected{stroke:var(--ink);stroke-width:2}.cell-label{font-size:9px;fill:#10151c;pointer-events:none;font-variant-numeric:tabular-nums}.pod-marker{fill:var(--panel);stroke:var(--pod)}.pod-text{font-size:8.5px;fill:var(--muted);pointer-events:none;font-weight:700}.arrow-supply{stroke:var(--supply);stroke-width:2.5}.arrow-relief{stroke:var(--relief);stroke-width:2.5}.arrow-relief.zeroed{stroke-dasharray:3 3;opacity:.5}.arrowhead.supply{fill:var(--supply)}.arrowhead.relief{fill:var(--relief)}.flow-label{font-size:10px;font-weight:600}.flow-label.supply{fill:var(--supply)}.flow-label.relief{fill:var(--relief)}.flow-label.zeroed{text-decoration:line-through;opacity:.6}.clickable{cursor:pointer}.tabs{display:flex;gap:4px;align-items:center;margin-bottom:6px}.tab{border-radius:6px 6px 0 0}.tab.on{border-color:var(--accent);color:var(--accent);font-weight:600}.lv-nav{margin-left:auto;display:flex;gap:4px}.level-svg{width:100%;height:auto;max-height:calc(100vh - 140px)}.envelope{fill:none;stroke:var(--line);stroke-dasharray:6 5}.lv-title{font-size:14px;font-weight:600;fill:var(--ink)}.node{stroke:var(--line);stroke-width:1;fill:var(--unit)}.node.sel{stroke:var(--accent);stroke-width:3}.n-stair{fill:var(--stair);stroke:var(--accent)}.n-hoist{fill:var(--hoist);stroke:#8a6bd1}.n-corr{fill:var(--corr)}.n-lobby{fill:var(--lobby)}.n-garage{fill:var(--garage)}.node-label{font-size:11px;font-weight:600;fill:var(--ink);pointer-events:none}.node-sub{font-size:9px;fill:var(--muted);pointer-events:none}.edge{stroke:var(--line);stroke-width:1}.edge.k-door,.edge.k-elevator_door_c{stroke:var(--muted);stroke-width:2.5}.edge.k-elevator_door_o,.edge.k-open_door,.edge.k-garage_opening{stroke:var(--muted);stroke-width:3;stroke-dasharray:6 3}.edge.sel,.spoke.sel{stroke:var(--accent)!important;stroke-width:4}.edge-label{font-size:10px;fill:var(--ink);font-weight:600;paint-order:stroke;stroke:var(--panel);stroke-width:3px;pointer-events:none}.spoke{stroke:var(--muted);stroke-width:1.5}.spoke.k-exterior_wall{stroke:#7fa7d8;stroke-width:1}.spoke.k-floor_leakage{stroke:var(--line);stroke-dasharray:2 3}.spoke.k-door{stroke-width:2.5}.spoke-end{fill:var(--muted)}.flow-arrow{fill:var(--ink);opacity:.8;pointer-events:none}.compass circle{fill:var(--panel);stroke:var(--line)}.compass text{font-size:11px;fill:var(--muted);font-weight:600}.compass .north{stroke:var(--muted);stroke-width:1}.compass .wind{stroke:var(--accent);stroke-width:3}.compass .wind-head{fill:var(--accent)}.compass-sub{font-size:10px!important;font-weight:400!important}.inspector{position:absolute;top:10px;right:10px;bottom:10px;width:420px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 28px #0000002e;padding:12px 14px;overflow:auto;z-index:5}.inspector h3{margin:0 24px 8px 0;font-size:15px}.inspector h4{margin:12px 0 4px;font-size:12px}.inspector .close{position:absolute;top:8px;right:8px;border:0;font-size:18px;line-height:1}.kv{display:grid;grid-template-columns:96px 1fr;gap:3px 8px;margin:0;font-size:12px}.kv dt{color:var(--muted)}.kv dd{margin:0}.grid{border-collapse:collapse;width:100%;font-size:12px;font-variant-numeric:tabular-nums}.grid th,.grid td{border-bottom:1px solid var(--line);padding:3px 6px;text-align:right;white-space:nowrap}.grid th:first-child,.grid td:first-child{text-align:left}.grid tr.cur td,.grid td.cur,.grid th.cur{background:color-mix(in srgb,var(--accent) 12%,transparent)}.grid tfoot td{font-weight:600}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.pathlist{padding-left:16px;font-size:12px;margin:0}.table-scroll{overflow:auto}.panel.wide{border:0;padding:0}.grid.dp tbody tr:hover td{background:color-mix(in srgb,var(--accent) 6%,transparent)}.welcome{max-width:860px;margin:60px auto;padding:0 16px}.welcome h1{margin:0 0 8px}.home{max-width:1040px}.home-empty{margin-top:20px;padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:12px;background:var(--panel)}.project-card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;gap:6px}.project-card b{font-family:var(--font-head);font-size:15px}.run-list{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.run-list li{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.test-models summary{cursor:pointer;font-weight:600;color:var(--muted)}.fixture-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:20px}.card{display:flex;flex-direction:column;gap:4px;text-align:left;padding:14px;border-radius:10px}@media (max-width: 1100px){.workspace{grid-template-columns:1fr}.inspector{position:fixed;width:auto;left:10px}}.size-controls{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:4px}.sizer-status{margin-top:6px}.sizer-log{font-size:11px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px;max-height:180px;overflow:auto;white-space:pre-wrap;margin:4px 0}.small-grid{margin:6px 0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:flex-start;justify-content:center;padding-top:6vh;z-index:20}.modal{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px 18px;width:min(620px,calc(100vw - 32px));max-height:86vh;overflow:auto;box-shadow:0 12px 40px #0000004d}.modal h3{margin:0 24px 8px 0}.modal h4{margin:12px 0 2px;font-size:12px}.modal .close{position:absolute;top:8px;right:8px;border:0;font-size:18px}.field{display:flex;flex-direction:column;gap:3px;margin:8px 0;font-size:12px}.field textarea{font:inherit;background:var(--panel);color:inherit;border:1px solid var(--line);border-radius:6px;padding:4px 6px}.apply-box{border-top:1px solid var(--line);margin-top:12px;padding-top:6px}.steps{padding-left:18px;margin:4px 0}.steps li{margin:6px 0}.steps li.done{color:var(--ok)}.warn-text{color:var(--warn)}.power-flag{background:color-mix(in srgb,var(--bad) 15%,var(--panel));border-left:3px solid var(--bad);padding:6px 8px;margin:8px 0;font-size:12px;font-weight:600}.grid td.why{text-align:left;white-space:normal;font-size:11px}.point-form{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:6px}.point-form input[placeholder]{grid-column:1 / -1}.point-form button{grid-column:1 / -1;justify-self:start}.link-btn{float:right}@media (prefers-color-scheme: dark){.gate-logo,.brand img{background:#fff;border-radius:6px;padding:3px 6px}}.home-bar{display:flex;gap:8px;align-items:center;margin:16px 0 4px}.home-bar input{flex:0 1 320px}.home-bar .grow{flex:1}.file-link{color:var(--accent, #0b5cab);cursor:pointer;text-decoration:underline;width:fit-content}.notice{margin:8px 16px;padding:8px 12px;border-radius:8px;background:#e9f6ec;border:1px solid #b9dfc2;color:#1d5b2c;cursor:pointer}.gate{box-sizing:border-box}.gate-card{box-sizing:border-box;max-width:calc(100vw - 32px)}.nav-link{margin-left:14px;color:var(--accent, #2f8f46);text-decoration:none;font-weight:600;font-size:13px}.nav-link:hover{text-decoration:underline}@media (prefers-color-scheme: dark){:root{--bg: #0f1511;--panel: #171f19;--ink: #e6ece7;--muted: #a5b3a8;--line: #2b3a2f;--accent: #4fae5b;--empty: #222d25;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .6)}}.topbar{box-shadow:var(--shadow);padding:10px 16px}.brand img{height:28px;width:auto;background:#fff;border-radius:6px;padding:2px 6px}.sections{display:flex;gap:4px;margin-left:6px}.sections a{font-family:var(--font-ui);font-size:13px;font-weight:600;text-decoration:none;color:var(--muted);padding:5px 12px;border-radius:999px;border:1px solid transparent}.sections a:hover{border-color:var(--line);color:var(--ink)}.sections a[aria-current=page]{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}.whoami{max-width:1180px;margin:0 auto;padding:8px 16px 0}.error,.notice{max-width:1148px;margin:10px auto;border-radius:8px}.welcome.home{max-width:1180px;margin:18px auto 48px;padding:0 16px}.welcome.home h1{font-size:22px;font-weight:700;margin:0 0 4px}.welcome.home>p.muted{margin:0;font-size:13.5px}.home-bar{margin:16px 0 6px;padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.home-bar input{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.home-bar input:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 18%,transparent)}.home-bar button{padding:8px 14px}.fixture-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:14px;margin-top:16px}.project-card{padding:16px;gap:8px}.project-card:hover{border-color:var(--accent)}.project-card b{font-size:17px;font-weight:700}.run-list{list-style:none;margin:4px 0 0;padding:8px 0 0;border-top:1px solid var(--line);display:grid;gap:6px}.run-list li{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.run-list button{border-radius:999px;font-family:var(--font-mono);font-size:12px;padding:3px 10px}.run-list button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.file-link{font-weight:600;text-decoration:none}.file-link:hover{text-decoration:underline}.test-models{margin-top:28px}.test-models summary{cursor:pointer;font-family:var(--font-head);font-weight:700;font-size:13.5px;color:var(--muted)}.welcome.home{width:100%;box-sizing:border-box}.workspace{grid-template-columns:340px auto minmax(520px,1fr);grid-template-rows:auto minmax(0,1fr);gap:12px;padding:12px 16px 16px}.ws-head{grid-column:1 / -1;display:flex;align-items:center;gap:10px 20px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px 14px}.ws-title{display:flex;align-items:baseline;gap:10px;min-width:0}.ws-title h2{margin:0;font-size:17px;font-weight:700}.ws-facts{display:flex;gap:6px;flex-wrap:wrap;flex:1}.ws-facts span{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted);white-space:nowrap}.ws-facts span.saved{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.ws-head .row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0}.ws-head .row-actions button{padding:7px 14px;font-weight:600}.side-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:4px;box-shadow:var(--shadow);position:sticky;top:0;z-index:2}.side-tabs button{border:0;background:transparent;border-radius:8px;padding:7px 8px;font-family:var(--font-head);font-weight:600;font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:6px}.side-tabs button:hover:not(.on){background:var(--bg);color:var(--ink)}.side-tabs button.on{background:var(--accent);color:#fff}.side-tabs .badge{font-family:var(--font-ui);font-size:11px;font-weight:700;min-width:18px;padding:0 5px;border-radius:999px;background:var(--bad);color:#fff}.side-group{display:flex;flex-direction:column;gap:10px}.side-group[hidden],.model-info[hidden]{display:none}.right{border-radius:12px;box-shadow:var(--shadow);padding:10px}.panel h2{font-size:13.5px;font-weight:700}.case-bar .chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}@media (max-width: 1180px){.workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:none;overflow:auto}.left,.center,.right{overflow:visible}}