:root{color-scheme:light dark;--orc-bg:#e3e5e4;--orc-panel:#eceeec;--orc-border:#a8b0aa;--orc-text:#38423c;--orc-heading:#202722;--orc-muted:#6e7971;--orc-accent:#2d6983;--orc-accent-soft:#cbd1cc;--orc-chip:#cbd1cc;--orc-code:#d4d8d5;--orc-green:#53743a;--orc-yellow:#8a6a2f;--orc-red:#b83f50;--orc-purple:#76518f;--orc-cyan:#256f72;--orc-orange:#9a5a25;--orc-gate:color-mix(in srgb, var(--orc-orange) 60%, var(--orc-heading));--orc-muted-strong:color-mix(in srgb, var(--orc-muted) 45%, var(--orc-heading));--orc-accent-text:color-mix(in srgb, var(--orc-accent) 70%, var(--orc-heading));--orc-red-text:color-mix(in srgb, var(--orc-red) 60%, var(--orc-heading));--orc-yellow-text:color-mix(in srgb, var(--orc-yellow) 70%, var(--orc-heading));--orc-green-text:color-mix(in srgb, var(--orc-green) 70%, var(--orc-heading));--orc-purple-text:color-mix(in srgb, var(--orc-purple) 65%, var(--orc-heading));--orc-cyan-text:color-mix(in srgb, var(--orc-cyan) 60%, var(--orc-heading));--orc-orange-text:color-mix(in srgb, var(--orc-orange) 60%, var(--orc-heading));--orc-accent-strong:color-mix(in srgb, var(--orc-accent) 70%, var(--orc-heading));--orc-control-border:color-mix(in srgb, var(--orc-border) 65%, var(--orc-heading));--orc-button-hover:color-mix(in srgb, var(--orc-accent) 10%, var(--orc-bg));--orc-button-hover-chip:color-mix(in srgb, var(--orc-accent) 12%, var(--orc-chip));--orc-button-hover-strong:color-mix(in srgb, var(--orc-accent-strong) 86%, var(--orc-heading));--orc-font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--orc-font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--orc-space-1:4px;--orc-space-2:8px;--orc-space-3:12px;--orc-space-4:16px;--orc-space-5:24px;--orc-radius-sm:4px;--orc-radius-md:8px;--orc-radius-pill:999px;--orc-focus-ring:2px solid var(--orc-accent);--orc-focus-offset:2px}@media (prefers-color-scheme:dark){:root{--orc-bg:#1a1c20;--orc-panel:#16181b;--orc-border:#3b4540;--orc-text:#c7cfca;--orc-heading:#e0e5e2;--orc-muted:#707a73;--orc-accent:#78a9c2;--orc-accent-soft:#29312c;--orc-chip:#29312c;--orc-code:#1f2422;--orc-green:#9dc76b;--orc-yellow:#d5b05c;--orc-red:#e87878;--orc-purple:#b497d6;--orc-cyan:#77b8b1;--orc-orange:#e69257;--orc-gate:var(--orc-orange);--orc-muted-strong:color-mix(in srgb, var(--orc-muted) 45%, var(--orc-heading));--orc-accent-text:var(--orc-accent);--orc-red-text:var(--orc-red);--orc-yellow-text:var(--orc-yellow);--orc-green-text:var(--orc-green);--orc-purple-text:var(--orc-purple);--orc-cyan-text:var(--orc-cyan);--orc-orange-text:var(--orc-orange);--orc-accent-strong:var(--orc-accent)}}:root[data-theme=dark]{color-scheme:dark;--orc-bg:#1a1c20;--orc-panel:#16181b;--orc-border:#3b4540;--orc-text:#c7cfca;--orc-heading:#e0e5e2;--orc-muted:#707a73;--orc-accent:#78a9c2;--orc-accent-soft:#29312c;--orc-chip:#29312c;--orc-code:#1f2422;--orc-green:#9dc76b;--orc-yellow:#d5b05c;--orc-red:#e87878;--orc-purple:#b497d6;--orc-cyan:#77b8b1;--orc-orange:#e69257;--orc-gate:var(--orc-orange);--orc-muted-strong:color-mix(in srgb, var(--orc-muted) 45%, var(--orc-heading));--orc-accent-text:var(--orc-accent);--orc-red-text:var(--orc-red);--orc-yellow-text:var(--orc-yellow);--orc-green-text:var(--orc-green);--orc-purple-text:var(--orc-purple);--orc-cyan-text:var(--orc-cyan);--orc-orange-text:var(--orc-orange);--orc-accent-strong:var(--orc-accent)}:root[data-theme=light]{color-scheme:light;--orc-bg:#e3e5e4;--orc-panel:#eceeec;--orc-border:#a8b0aa;--orc-text:#38423c;--orc-heading:#202722;--orc-muted:#6e7971;--orc-accent:#2d6983;--orc-accent-soft:#cbd1cc;--orc-chip:#cbd1cc;--orc-code:#d4d8d5;--orc-green:#53743a;--orc-yellow:#8a6a2f;--orc-red:#b83f50;--orc-purple:#76518f;--orc-cyan:#256f72;--orc-orange:#9a5a25;--orc-gate:color-mix(in srgb, var(--orc-orange) 60%, var(--orc-heading));--orc-muted-strong:color-mix(in srgb, var(--orc-muted) 45%, var(--orc-heading));--orc-accent-text:color-mix(in srgb, var(--orc-accent) 70%, var(--orc-heading));--orc-red-text:color-mix(in srgb, var(--orc-red) 60%, var(--orc-heading));--orc-yellow-text:color-mix(in srgb, var(--orc-yellow) 70%, var(--orc-heading));--orc-green-text:color-mix(in srgb, var(--orc-green) 70%, var(--orc-heading));--orc-purple-text:color-mix(in srgb, var(--orc-purple) 65%, var(--orc-heading));--orc-cyan-text:color-mix(in srgb, var(--orc-cyan) 60%, var(--orc-heading));--orc-orange-text:color-mix(in srgb, var(--orc-orange) 60%, var(--orc-heading));--orc-accent-strong:color-mix(in srgb, var(--orc-accent) 70%, var(--orc-heading))}orc-navbar{display:block}orc-theme-toggle{display:inline-block}:is(orc-navbar:not(:defined),orc-theme-toggle:not(:defined)){visibility:hidden}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2)format("woff2-variations")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(/_astro/jetbrains-mono-latin-wght-normal.B9CIFXIH.woff2)format("woff2-variations")}:root{--orc-font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--orc-font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}.orc-scrollbar{scrollbar-color:var(--orc-border) transparent;scrollbar-width:auto}.orc-scrollbar::-webkit-scrollbar{background:0 0;width:16px}.orc-scrollbar::-webkit-scrollbar-track{background:0 0}.orc-scrollbar::-webkit-scrollbar-thumb{background:var(--orc-border);border:4px solid var(--orc-panel);border-radius:8px}:root{--orc-type-display:700 24px/1.6 var(--orc-font-sans);--orc-type-headline:600 17px/1.3 var(--orc-font-sans);--orc-type-title:600 15px/1.3 var(--orc-font-sans);--orc-type-body:400 14px/1.55 var(--orc-font-sans);--orc-type-label:600 11px/1.4 var(--orc-font-sans);--orc-type-mono:400 12.5px/1.7 var(--orc-font-mono)}.orc-type-display{font:var(--orc-type-display);text-wrap:balance}.orc-type-headline{font:var(--orc-type-headline)}.orc-type-title{font:var(--orc-type-title)}.orc-type-body{font:var(--orc-type-body)}.orc-type-label{font:var(--orc-type-label);text-transform:uppercase;letter-spacing:.03em}.orc-type-mono{font:var(--orc-type-mono)}:root{--page-max:1160px}*{box-sizing:border-box}html{background:var(--orc-bg);scroll-behavior:smooth;min-width:320px;min-height:100%}body{background:var(--orc-bg);min-height:100dvh;color:var(--orc-text);font:var(--orc-type-body);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:color-mix(in srgb,var(--orc-accent) 18%,transparent);margin:0;overflow-x:hidden}button,input,select,textarea{font:inherit}button,a,label,select{touch-action:manipulation}img,svg{max-width:100%;display:block}[hidden],[data-hidden]{display:none!important}:focus-visible{outline:var(--orc-focus-ring);outline-offset:var(--orc-focus-offset)}::selection{background:color-mix(in srgb,var(--orc-accent) 28%,transparent);color:var(--orc-heading)}a{color:var(--orc-accent-text);text-underline-offset:3px}a:hover{color:var(--orc-accent-strong)}h1,h2,h3{color:var(--orc-heading);text-wrap:balance}h1{font:var(--orc-type-display)}h2{font:var(--orc-type-headline)}h3{font:var(--orc-type-title)}p{overflow-wrap:anywhere;text-wrap:pretty}[id]{scroll-margin-top:84px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;border:2px solid var(--orc-accent);border-radius:var(--orc-radius-sm);background:var(--orc-panel);color:var(--orc-heading);padding:9px 13px;font-weight:700;text-decoration:none;transition:transform .16s;position:fixed;top:10px;left:10px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}main{min-height:calc(100dvh - 136px)}.page-shell{width:min(100%,var(--page-max));margin:0 auto;padding:clamp(32px,5vw,68px) clamp(18px,5vw,56px) 88px}.section-shell{margin-block:clamp(48px,8vw,92px)}.eyebrow{color:var(--orc-accent-text);font:var(--orc-type-label);margin:0 0 11px}.lede{max-width:68ch;color:var(--orc-muted-strong);font-size:clamp(16px,1.8vw,19px);line-height:1.65}.surface{border:1px solid var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-panel)}.surface-strong{border:1px solid var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-code)}.button,.button-secondary{justify-content:center;align-items:center;gap:var(--orc-space-2);min-height:44px;padding:9px var(--orc-space-4);border:1px solid var(--orc-green);border-radius:var(--orc-radius-md);cursor:pointer;font-weight:700;text-decoration:none;display:inline-flex}.button{background:var(--orc-green);color:var(--orc-panel)}.button:hover{background:color-mix(in srgb,var(--orc-green) 86%,var(--orc-heading));color:var(--orc-panel)}.button-secondary{border-color:var(--orc-control-border);background:color-mix(in srgb,var(--orc-text) 6%,transparent);color:var(--orc-heading)}.button-secondary:hover{border-color:var(--orc-green);background:color-mix(in srgb,var(--orc-green) 12%,transparent);color:var(--orc-green-text)}.text-link{min-height:44px;color:var(--orc-accent-text);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;font-weight:700;text-decoration:underline;display:inline-flex}.text-link:hover{color:var(--orc-accent-strong)}.status-note{border-left:3px solid var(--orc-yellow);background:color-mix(in srgb,var(--orc-yellow) 9%,transparent);color:var(--orc-text);padding:12px 14px}.storage-warning{border-left:4px solid var(--orc-yellow);padding:14px 16px}.button-danger{border-color:var(--orc-red);color:var(--orc-red-text);background:0 0}.button-danger:hover{background:color-mix(in srgb,var(--orc-red) 14%,var(--orc-panel));color:var(--orc-red-text)}button:disabled{cursor:not-allowed;opacity:.55}input,select{border:1px solid var(--orc-control-border);border-radius:var(--orc-radius-sm);background:var(--orc-code);min-height:44px;color:var(--orc-heading)}input[type=text],select{padding:9px 12px}.activity-form{border:1px solid var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-code);gap:18px;margin-block:24px;padding:clamp(16px,3vw,24px);display:grid}.activity-fieldset{border:0;min-width:0;margin:0;padding:0}.activity-prompt{color:var(--orc-heading);text-wrap:balance;margin-bottom:16px;font-size:clamp(17px,2.2vw,21px);font-weight:750}.option-grid,.hotspot-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.hotspot-options{border:1px dashed var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-panel);min-height:250px;position:relative}.hotspot-option{left:var(--hotspot-x);top:var(--hotspot-y);width:min(29%,180px);position:absolute;transform:translate(-50%,-50%)}.option-card{border:1px solid var(--orc-border);border-radius:var(--orc-radius-sm);background:var(--orc-panel);cursor:pointer;align-items:flex-start;gap:11px;min-width:0;min-height:54px;padding:12px 14px;display:flex}.option-card:hover,.option-card:has(input:checked){border-color:var(--orc-accent);background:color-mix(in srgb,var(--orc-accent) 9%,var(--orc-panel))}.option-card:focus-within{outline:var(--orc-focus-ring);outline-offset:var(--orc-focus-offset)}.option-card input{width:20px;height:20px;min-height:0;accent-color:var(--orc-accent);flex:none;margin:2px 0 0}.option-card input:focus-visible{outline:0}.option-copy{overflow-wrap:anywhere;min-width:0}.option-copy span{color:var(--orc-muted-strong);font-size:13px;display:block}.match-list{gap:12px;display:grid}.match-row{grid-template-columns:minmax(8rem,1fr) minmax(10rem,1fr);align-items:center;gap:12px;display:grid}.activity-hint{color:var(--orc-muted-strong)}.order-list{gap:8px;padding-left:28px;display:grid}.order-row{border:1px solid var(--orc-border);border-radius:var(--orc-radius-sm);background:var(--orc-panel);padding:10px 12px}.order-row[draggable=true]{cursor:grab;user-select:none}.order-row.is-dragging{cursor:grabbing;opacity:.65}.order-controls{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.button-small{border:1px solid var(--orc-control-border);border-radius:var(--orc-radius-sm);min-height:36px;color:var(--orc-text);cursor:pointer;background:0 0;padding:6px 10px}.button-small:hover{border-color:var(--orc-accent);background:var(--orc-button-hover)}.confidence-control{grid-template-columns:auto minmax(8rem,1fr) auto auto;align-items:center;gap:10px;margin-top:16px;display:grid}.confidence-control input{width:100%;accent-color:var(--orc-accent)}.form-error{min-height:1.5em;color:var(--orc-red-text);margin:0;font-weight:650}.orc-mascot{object-fit:contain}.orc-mascot--sm{width:64px;height:64px}.orc-mascot--md{width:112px;height:112px}.orc-mascot--lg{width:180px;height:180px}.orc-mascot--hero{width:min(300px,70vw);height:auto}.narrator-panel{border:1px solid var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-panel);grid-template-columns:112px minmax(0,1fr);align-items:center;gap:20px;padding:22px 24px;display:grid}.narrator-panel--tip{border-left:4px solid var(--orc-accent)}.narrator-panel--success{border-left:4px solid var(--orc-green)}.narrator-copy{min-width:0}.narrator-label{color:var(--orc-accent-text);font:700 10px/1.4 var(--orc-font-mono);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px}.narrator-copy h2{margin:0 0 6px;font-size:clamp(20px,3vw,28px);line-height:1.2}.narrator-body>:first-child{margin-top:0}.narrator-body>:last-child{margin-bottom:0}.narrator-actions:not(:empty){flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.concept-diagram{border:1px solid var(--orc-border);border-radius:var(--orc-radius-md);background:var(--orc-panel);margin:0;overflow:hidden}.diagram-canvas{background:var(--orc-code);width:100%;height:auto;min-height:220px}.diagram-node rect,.diagram-node circle,.diagram-layer path{fill:var(--orc-panel);stroke:var(--orc-accent);stroke-width:2px}.diagram-node text,.diagram-layer text{fill:var(--orc-heading);font:650 13px var(--orc-font-mono)}.diagram-edge,.diagram-arrow{fill:none;stroke:var(--orc-muted);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.diagram-layer path{fill:color-mix(in srgb,var(--orc-accent) 7%,var(--orc-panel));stroke:var(--orc-border)}.diagram-layer text{pointer-events:none}.concept-diagram figcaption{border-top:1px solid var(--orc-border);gap:3px;padding:16px 18px;display:grid}.concept-diagram figcaption strong{color:var(--orc-heading)}.concept-diagram figcaption span{color:var(--orc-muted-strong);font-size:13px}.concept-diagram--animated .node-1{animation:.38s ease-out both diagram-enter}.concept-diagram--animated .node-2{animation:.38s ease-out .14s both diagram-enter}.concept-diagram--animated .node-3{animation:.38s ease-out .28s both diagram-enter}.concept-diagram--animated .node-4,.concept-diagram--animated .node-5{animation:.38s ease-out .42s both diagram-enter}.concept-diagram--animated .edge-1{animation:.28s ease-out .38s both diagram-reveal}.concept-diagram--animated .edge-2{animation:.28s ease-out .58s both diagram-reveal}.concept-diagram--animated .diagram-layer{animation:.34s ease-out both diagram-layer}.concept-diagram--animated .layer-2{animation-delay:80ms}.concept-diagram--animated .layer-3{animation-delay:.16s}.concept-diagram--animated .layer-4{animation-delay:.24s}@keyframes diagram-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes diagram-reveal{0%{opacity:0}to{opacity:1}}@keyframes diagram-layer{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.site-footer{padding:24px max(20px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));border-top:1px solid var(--orc-border);color:var(--orc-muted-strong);font:var(--orc-type-mono);justify-content:space-between;gap:24px;display:flex}@media (width<=800px){.page-shell{padding-top:38px}}@media (width<=560px){.narrator-panel{grid-template-columns:72px minmax(0,1fr);align-items:start;padding:18px 16px}.narrator-panel .orc-mascot{width:72px;height:72px}.site-footer{flex-direction:column}.option-grid{grid-template-columns:1fr}.hotspot-options{min-height:0;padding:10px;display:grid}.hotspot-option{width:auto;position:static;transform:none}.match-row{grid-template-columns:1fr}.confidence-control{grid-template-columns:1fr auto}.confidence-control span:first-child{grid-column:1}.confidence-control input{grid-column:1/-1}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.skip-link{transition:none}.concept-diagram--animated *{animation:none!important}}@media print{:root{color-scheme:light}html,body,main{background:#fff!important;min-height:0!important}orc-navbar,.site-footer,.skip-link{display:none!important}body{color:#1e2030}.page-shell{width:100%;padding:0}.surface,.surface-strong,.narrator-panel,.concept-diagram{break-inside:avoid;background:#fff}body.printing-certificate main .page-shell>:not(.certificate-section){display:none!important}body.printing-certificate .certificate-section{break-after:avoid;break-inside:avoid;place-items:center;min-height:240mm;border:0!important;margin:0!important;padding:18mm 12mm!important;display:grid!important}body.printing-certificate .certificate-controls,body.printing-certificate [data-certificate-locked]{display:none!important}body.printing-certificate [data-certificate-preview]{display:block!important}}.shell-brand[data-astro-cid-2d6qcwld],.shell-nav-link[data-astro-cid-2d6qcwld]{border-radius:var(--orc-radius-sm);touch-action:manipulation;-webkit-tap-highlight-color:transparent;align-items:center;min-width:0;text-decoration:none;display:inline-flex}.shell-brand[data-astro-cid-2d6qcwld]:focus-visible,.shell-nav-link[data-astro-cid-2d6qcwld]:focus-visible{outline:var(--orc-focus-ring);outline-offset:var(--orc-focus-offset)}.shell-nav-link[data-astro-cid-2d6qcwld]{min-height:2.75rem;padding-inline:var(--orc-space-3);color:var(--orc-muted-strong);font-size:.8125rem;font-weight:650}.shell-nav-link[data-astro-cid-2d6qcwld]:hover{background:var(--orc-button-hover);color:var(--orc-heading)}.shell-nav-link[data-astro-cid-2d6qcwld][aria-current=page]{color:var(--orc-accent-text);text-underline-offset:.4375rem;text-decoration:underline 2px}@media (width<=35rem){.shell-local-status[data-astro-cid-2d6qcwld]{display:none}}