/* Practical Trust v8: an editorial portfolio and a dedicated guided-workbench shell.
 * No bundled font files. All layouts use the Portable Trust typography and semantic tokens. */
[hidden]{display:none!important}
body{color:var(--ink)}
h1,h2,h3,h4{font-family:var(--display)}
button,a,input,select,summary{touch-action:manipulation}
button,a{ -webkit-tap-highlight-color:transparent }
.editorial-title{font-size:clamp(34px,4.5vw,52px);line-height:1.12;letter-spacing:-.025em;max-width:880px;margin:12px 0 20px}
.launch-hint{max-width:800px;font-size:14px;line-height:1.4025;color:var(--muted);margin-top:18px}
.navbar{gap:20px}.navlinks{gap:2px}.navlinks a{padding:10px 8px;letter-spacing:.03em;font-size:10.5px;min-height:44px;display:inline-flex;align-items:center}
.navlinks .linkedin-link{gap:4px}.brand{font-size:17px}.brand b{white-space:nowrap}
.library-how{margin:26px 0;padding:20px 24px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--violet);border-radius:8px}
.library-how>b{font:600 20px/1.19 var(--display);color:var(--ink)}
.library-how p{font-size:16px;line-height:1.36;color:var(--ink2);max-width:1000px;margin:10px 0 0}
.catalog-filters{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 20px}.catalog-filters .chip{min-height:44px;padding:9px 16px;font-size:13px}
.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0 32px;align-items:stretch}
.scenario-card{padding:24px;border:1px solid var(--line);border-radius:10px;background:var(--surface);display:flex;flex-direction:column;min-width:0;transition:border-color .2s ease-out}
.scenario-card:hover{border-color:var(--violet)}.scenario-card-top{display:flex;gap:10px;align-items:baseline;justify-content:space-between;flex-wrap:wrap}
.scenario-card .meta{font:500 10px/1.36 var(--mono);color:var(--violetInk);letter-spacing:.05em}.read-time{font:11px/1.275 var(--mono);color:var(--muted)}
.scenario-card h2{font:600 23px/1.2 var(--display);margin:18px 0 6px!important;letter-spacing:-.01em;overflow-wrap:anywhere}
.scenario-card p{font-size:15px;line-height:1.36;color:var(--ink2);margin:12px 0 16px}.scenario-card .scenario-subtitle{font-size:13px;color:var(--muted);margin:4px 0 0;line-height:1.275}
.scenario-card-bottom{display:flex;gap:8px 12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:auto;padding-top:20px;border-top:1px solid var(--line2)}
.scenario-card-bottom>span{font:11px/1.275 var(--mono);color:var(--muted)}.scenario-launch{display:inline-flex;gap:12px;align-items:center;min-height:44px;font:600 14px/1.19 var(--display);color:var(--violetInk);text-decoration:underline;text-underline-offset:4px}
.site-status{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);padding:14px 20px;z-index:250;border:1px solid var(--violet);border-radius:8px;background:var(--surface);color:var(--ink2);font-size:14px;line-height:1.275;pointer-events:none}
.popup-help{max-width:520px;width:calc(100% - 32px);border:1px solid var(--violet);border-radius:10px;padding:28px;background:var(--surface);color:var(--ink2)}
.popup-help::backdrop{background:rgba(17,17,17,.4)}.popup-help h2{font-size:26px;line-height:1.25;margin:0 0 16px}.popup-help p{font-size:16px;line-height:1.36}.popup-help .actions{margin-top:24px}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.contact-address{overflow-wrap:anywhere;font:13px/1.275 var(--mono);margin-top:18px}.privacy-current{border:1px solid var(--line);border-left:3px solid var(--violet);border-radius:8px;padding:24px;margin:24px 0;background:var(--surface)}
.form-card h2{font-size:26px!important;line-height:1.25!important}.form-card p{line-height:1.4025}.source-note{color:var(--muted)}
/* Window header: a persistent, unambiguous escape route. */
.lab-window-header{position:sticky;top:0;background:var(--paper);z-index:150;backdrop-filter:none}
.lab-window-header>.wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:80px;padding:12px 0}
.lab-window-brand{min-width:0}.lab-window-brand strong{font:600 16px/1.19 var(--display);display:block}.lab-window-brand strong span{color:var(--violetInk)}
.lab-window-brand small{font:10px/1.275 var(--mono);color:var(--muted);display:block;margin-top:5px}
.lab-window-actions{margin-left:auto;display:flex;gap:12px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
#closeLab{min-height:44px;font-size:14px;white-space:normal;line-height:1.19}
.lab-switcher{position:relative}.lab-switcher summary{padding:12px 4px;min-height:44px;font:600 13px/1.275 var(--display);cursor:pointer;color:var(--violetInk)}
#labSwitchLinks{position:absolute;right:0;top:100%;width:340px;max-width:calc(100vw - 32px);max-height:min(560px,70vh);overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:8px;z-index:200}
#labSwitchLinks button{display:block;width:100%;min-height:58px;text-align:left;border:0;border-radius:6px;background:transparent;color:var(--ink2);padding:10px 12px;cursor:pointer;font:600 14px/1.19 var(--display)}
#labSwitchLinks button span{display:block;font:10px/1.275 var(--mono);color:var(--muted);margin-bottom:3px}
#labSwitchLinks button[aria-current="true"],#labSwitchLinks button:hover{background:var(--violetWash);color:var(--violetInk)}
.scenario-intro{padding:34px 0 20px}.scenario-intro h1{font-size:36px;letter-spacing:-.02em;line-height:1.15;margin:10px 0 12px}
#scenarioLead{font-size:16px;line-height:1.36;color:var(--ink2);max-width:950px;margin:0}
.scenario-context{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.scenario-context b{font:500 10px/1.275 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--violetInk)}
.scenario-context p{font-size:14px;line-height:1.36;margin:6px 0 0;color:var(--ink2)}
.lab-instructions{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:0 20px;margin:4px 0 12px}
.lab-instructions>summary{min-height:48px;padding:12px 0;font:600 16px/1.275 var(--display);cursor:pointer;color:var(--violetInk)}
.instruction-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:10px 0 12px;border-top:1px solid var(--line2)}
.instruction-grid>div{min-width:0}.instruction-grid span{display:block;font:11px var(--mono);color:var(--violetInk);margin:5px 0 10px}.instruction-grid b{font:600 15px/1.19 var(--display)}
.instruction-grid p{font-size:13px;line-height:1.36;color:var(--ink2);margin:8px 0}
.instruction-footnote{font-size:12px;line-height:1.4025;color:var(--muted);padding:12px 0 16px;margin:0;border-top:1px solid var(--line2)}
.lab-return-note{font-size:12px;line-height:1.275;color:var(--muted);margin:12px 0 20px}.lab-return-note a{color:var(--violetInk);text-decoration:underline}.return-attention{padding:16px;background:var(--amberWash);border-left:3px solid var(--amber);color:var(--ink2)}
/* All controls are adjacent to the flow, in consistent reading order. */
body[data-page="lab"] #labWorkbench{scroll-margin-top:100px}
body[data-page="lab"] .harness-toolbar{position:sticky;top:80px;z-index:80;display:block;margin:0;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 12px}
body[data-page="lab"] .flow-step-controls{border:0;padding:0;gap:8px}
.trace-btn{min-height:44px;line-height:1.19}.step-primary{background:var(--violetInk)!important;color:#fff!important;border-color:var(--violetInk)!important}
body[data-page="lab"] .workflow-rail{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin:16px 0}
body[data-page="lab"] .wf-phase{min-height:100px;padding:12px}.wf-phase b{font-size:13px}
body[data-page="lab"] .workflow-status{min-height:0;margin:14px 0;padding:12px 16px;font-size:13px}
body[data-page="lab"] .workflow-grid{grid-template-columns:1fr}
body[data-page="lab"] .workflow-canvas{max-height:680px;padding:20px}
body[data-page="lab"] .wf-lane{padding:20px;scroll-margin-top:180px}
body[data-page="lab"] .wf-canvas{scrollbar-gutter:stable;max-width:100%}
body[data-page="lab"] .wf-canvas svg{width:840px;margin:0 auto}
body[data-page="lab"] .workflow-grid .detail-pane{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;border-left:0;border-top:1px solid var(--line);max-height:none;overflow:visible;padding:24px;scroll-margin-top:178px}
body[data-page="lab"] .detail-pane>.meta,body[data-page="lab"] .detail-pane>h2,body[data-page="lab"] .detail-context,body[data-page="lab"] .detail-pane>.source-note,body[data-page="lab"] .detail-navigation{grid-column:1/-1}
body[data-page="lab"] .detail-pane>h2{margin:8px 0 6px;font-size:26px}.detail-pane section{min-width:0}.detail-pane p{overflow-wrap:anywhere}
.detail-navigation{display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:12px}.detail-navigation span{font:11px/1.275 var(--mono);color:var(--muted)}
.detail-navigation button{border:1px solid var(--line);border-radius:6px;min-height:44px;padding:8px 12px;background:var(--surface);color:var(--violetInk);font:600 13px var(--display);cursor:pointer}
body[data-page="lab"] .workflow-grid .detail-pane p{font-size:15px;line-height:1.4025}.workflow-grid .detail-pane h3{font-size:16px}
body[data-page="lab"] .wf-connections{gap:8px;margin-bottom:16px}.wf-connection{font-size:13px}
body[data-page="lab"] .flow-caption{padding:16px 20px;border-top:1px solid var(--line2)}
.lab-takeaway{margin:28px 0;padding:24px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--violet);border-radius:8px}
.lab-takeaway h2{font-size:25px;line-height:1.25;letter-spacing:-.015em;margin:12px 0}.lab-takeaway p{font-size:15px;color:var(--ink2);line-height:1.4025}.lab-takeaway .source-note{font-size:12px;color:var(--muted)}
.source-label{display:block;width:100%;font:11px/1.275 var(--mono);color:var(--muted);margin-bottom:8px}
.lab-footer{padding:14px 0;background:var(--surface);border-top:1px solid var(--line);margin-top:20px}.lab-footer>.wrap{display:flex;justify-content:space-between;align-items:center;gap:8px 20px;flex-wrap:wrap}.lab-footer p{font:11px/1.275 var(--mono);color:var(--muted);margin:0}.lab-footer a{font-size:12px;color:var(--violetInk);min-height:44px;display:flex;align-items:center;text-decoration:underline;text-underline-offset:3px}
.no-script{padding:30px 0;color:var(--ink2)}.no-script a{color:var(--violetInk);text-decoration:underline}
/* Do not force diagrams to scale text down. Scroll only the diagram, never the whole page. */
.wf-canvas svg{overflow:visible}.interactive-frame,.workflow-grid,.workflow-canvas,.wf-lane{min-width:0;max-width:100%}
footer{margin-top:0}.foot nav a{min-height:40px}
@media(max-width:1100px){.scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.navlinks{gap:0}.brand{font-size:15px}.instruction-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body[data-page="lab"] .harness-toolbar{position:relative;top:auto}.scenario-card h2{font-size:23px}}
@media(max-width:760px){.scenario-grid{grid-template-columns:1fr}.scenario-card{padding:22px}.section{padding:40px 0}.hero{padding:44px 0}.hero h1{font-size:40px}.launch-hint{font-size:13px}.library-how{padding:18px}.library-how p{font-size:15px}.scenario-context{grid-template-columns:1fr;gap:14px}.lab-window-header>.wrap{align-items:flex-start;flex-wrap:wrap;gap:8px}.lab-window-brand{width:100%}.lab-window-actions{width:100%;justify-content:space-between;gap:8px}.lab-window-brand small{display:none}.lab-window-brand strong{font-size:14px}.lab-window-header{position:sticky;top:0}.scenario-intro{padding-top:24px}.scenario-intro h1{font-size:30px}.instruction-grid{gap:16px}.lab-instructions{padding:0 16px}.instruction-grid p{font-size:13px}body[data-page="lab"] .workflow-rail{grid-template-columns:repeat(2,minmax(0,1fr))}body[data-page="lab"] .workflow-canvas{padding:8px;max-height:650px}body[data-page="lab"] .wf-lane{padding:12px}.wf-lane-head h3{font-size:18px}body[data-page="lab"] .workflow-grid .detail-pane{grid-template-columns:1fr;padding:18px;scroll-margin-top:150px}.lab-takeaway{padding:18px}#labSwitchLinks{left:0;right:auto;max-width:calc(100vw - 32px)}.site-status{bottom:12px;font-size:13px}.popup-help{padding:22px}body[data-page="lab"] .wf-lane{scroll-margin-top:150px}}
@media(max-width:380px){.instruction-grid{grid-template-columns:1fr}.lab-window-actions{align-items:flex-start}.lab-window-actions #closeLab{max-width:195px}.scenario-card-top{align-items:flex-start}.detail-navigation{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.scenario-card{transition:none}}
@media print{body[data-page="lab"] .lab-window-header,body[data-page="lab"] .harness-toolbar,body[data-page="lab"] .workflow-rail,.detail-navigation button,.lab-footer{display:none!important}body[data-page="lab"] .workflow-canvas{max-height:none;overflow:visible}.lab-instructions,.scenario-context{break-inside:avoid}.wf-edge{visibility:visible!important}.workflow-grid .detail-pane{max-height:none}.page{break-after:auto!important}}

/* A focused step reads as one complete card; only accumulated history scrolls vertically. */
body[data-page="lab"] .workflow-canvas[data-layout="focus"]{max-height:none;overflow:visible}
.diagram-scroll-hint{display:none;color:var(--muted);font-size:12px;line-height:1.3175;margin:8px 0 12px}
@media(max-width:1100px){.diagram-scroll-hint{display:block}}