:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#111;--ink-soft:#222;--gray-cool:#97999b;--gray-warm:#7d7e72;--gray-mid:#555;--gray-label:#888;--hairline:#ddd;--hairline-soft:#eee;--paper:#fff;--paper-tint:#f1f0ee;--paper-cream:#f2efe6;--desk:#e6e4df;--always-ink:#111;--always-paper:#fff;--grid-line:#1111111f;--bg-graph-paper:repeating-linear-gradient(to right, var(--grid-line) 0 1px, transparent 1px 26px), repeating-linear-gradient(to bottom, var(--grid-line) 0 1px, transparent 1px 26px);--accent:#0098db;--accent-press:#0086c2;--text-on-accent:#fff;--text-heading:var(--ink);--text-body:var(--ink-soft);--text-muted:var(--gray-mid);--text-label:var(--gray-label);--surface-page:var(--paper);--surface-desk:var(--desk);--surface-card:var(--paper);--rule-strong-color:var(--ink);--rule-hair-color:var(--hairline)}[data-theme=dark],:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--accent-press:#29ace6;--ink:#f2f1ed;--ink-soft:#d8d6d0;--gray-warm:#8a8b7f;--gray-mid:#a5a39c;--gray-label:#8f8d86;--hairline:#333;--hairline-soft:#262626;--paper:#111;--paper-tint:#1c1b19;--paper-cream:#1a1915;--desk:#050505;--grid-line:#f2f1ed24;--shadow-paper:0 2px 12px #00000080;--shadow-desk:0 0 40px #000000b3}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--accent-press:#29ace6;--ink:#f2f1ed;--ink-soft:#d8d6d0;--gray-warm:#8a8b7f;--gray-mid:#a5a39c;--gray-label:#8f8d86;--hairline:#333;--hairline-soft:#262626;--paper:#111;--paper-tint:#1c1b19;--paper-cream:#1a1915;--desk:#050505;--grid-line:#f2f1ed24;--shadow-paper:0 2px 12px #00000080;--shadow-desk:0 0 40px #000000b3}}
:root{--font-sans:Helvetica, "Helvetica Neue", Arimo, Arial, sans-serif;--size-display:96px;--size-hero:56px;--size-h2:28px;--size-body:15px;--size-caption:13px;--size-label:11px;--size-annotation:9px;--weight-regular:400;--weight-bold:700;--leading-display:.8;--leading-tight:1.1;--leading-heading:1.2;--leading-body:1.55;--tracking-tight:-.01em;--tracking-normal:0}
:root{--unit:8px;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:40px;--space-6:48px;--space-9:72px;--space-12:96px;--page-margin:72px;--radius:0px;--rule-strong:3px solid var(--rule-strong-color);--rule-section:1px solid var(--rule-strong-color);--rule-hair:1px solid var(--rule-hair-color);--shadow-paper:0 2px 12px #0000000f;--shadow-desk:0 0 40px #0000001f;--focus-ring:2px solid var(--ink)}
*{box-sizing:border-box}html,body{background:var(--surface-page);width:100%;min-height:100%;color:var(--text-body);font:var(--size-body)/var(--leading-body) var(--font-sans);font-weight:var(--weight-regular);margin:0;overflow:hidden}button,input,select{font:inherit;border-radius:var(--radius)}button,a,input,select{-webkit-tap-highlight-color:transparent}a{color:var(--text-heading);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}button{cursor:pointer}button,a{transition:color .12s,background-color .12s,border-color .12s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:var(--focus-ring);outline-offset:4px}button:disabled{cursor:default}h1,h2,h3,strong{font-weight:var(--weight-bold);color:var(--text-heading)}.space-library{padding:var(--space-6) var(--page-margin);position:fixed;inset:0;overflow:auto}.library-shell{max-width:1600px;margin:0 auto}.library-shell-with-footer{flex-direction:column;min-height:100%;display:flex}.library-shell-with-footer>.library-layout{flex:1;align-content:start}.library-layout{gap:var(--space-4);grid-template-columns:200px minmax(0,1fr);display:grid}.library-toolbar{align-self:start}.library-search-label,.library-sort{font-size:var(--size-caption);margin-bottom:var(--space-1);display:block}.library-search{border:var(--rule-section);background:var(--paper-tint);display:flex}.library-search input{width:100%;min-width:0;padding:12px var(--space-1);color:var(--text-heading);font-size:var(--size-caption);background:0 0;border:0}.library-search input::placeholder{color:var(--text-muted);opacity:1}.library-search input::-webkit-search-cancel-button{display:none}.library-search:focus-within{outline:var(--focus-ring);outline-offset:4px}.library-search input:focus-visible{outline:none}.library-search button{border:0;border-left:var(--rule-hair);color:var(--text-heading);padding:var(--space-1);font-size:var(--size-label);text-underline-offset:3px;background:0 0;text-decoration:underline}.library-sort{margin-top:var(--space-3)}.library-sort-select{width:100%;min-height:44px;padding:var(--space-1);border:var(--rule-section);color:var(--text-heading);background:var(--paper-tint);font-size:var(--size-caption);cursor:pointer}.space-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(240px,1fr));display:grid}.space-card{border-bottom:var(--rule-section);background:var(--surface-card);flex-direction:column;min-width:0;display:flex}.space-card-link{flex:1;text-decoration:none;display:block}.scene-thumbnail{aspect-ratio:3/2;background:var(--paper-tint);position:relative;overflow:hidden}.scene-thumbnail img{object-fit:cover;width:100%;height:100%;display:block}.thumbnail-fallback{height:100%;font-size:var(--size-display);color:var(--text-muted);place-items:center;display:grid}.space-card-copy{padding:var(--space-2) 0 var(--space-3)}.space-card h2{font-size:var(--size-body);line-height:var(--leading-heading);overflow-wrap:anywhere;margin:0}.space-card-link:hover h2{text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:4px}.library-empty{padding:var(--space-4) 0;border-bottom:var(--rule-section);color:var(--text-muted)}.library-empty h2{font-size:var(--size-h2);line-height:var(--leading-heading)}.library-footer{justify-content:space-between;align-items:center;gap:var(--space-1) var(--space-3);margin-top:var(--space-6);padding-top:var(--space-2);border-top:var(--rule-section);color:var(--text-muted);font-size:var(--size-caption);flex-wrap:wrap;display:flex}.library-footer p{margin:0}.library-footer nav{gap:var(--space-3);display:flex}.library-footer a{min-height:44px;color:inherit;align-items:center;text-decoration:none;display:inline-flex}.library-footer a:hover{color:var(--text-heading);text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.primary-action,.secondary-action,.tour-next,.tour-prev,.viewer-button,.share-link-button{justify-content:center;align-items:center;gap:var(--space-1);min-height:44px;padding:var(--space-1) var(--space-2);color:var(--text-heading);background:var(--surface-page);font-size:var(--size-caption);line-height:var(--leading-heading);white-space:nowrap;border:1px solid #0000;text-decoration:none;display:inline-flex}.primary-action,.tour-next{background:var(--always-paper);color:#000;font-weight:var(--weight-bold)}.primary-action:hover,.tour-next:hover{background:#ececec}.secondary-action:hover,.tour-prev:not(:disabled):hover,.viewer-button:hover,.share-link-button:hover{background:var(--ink);color:var(--paper)}.primary-action:disabled,.secondary-action:disabled,.tour-next:disabled,.tour-prev:disabled{background:var(--surface-page);color:var(--text-label)}.tour-next:disabled{color:#666;background:#ececec}.viewer-button.active{border-bottom:3px solid var(--accent)}.sphr-root{background:var(--surface-desk);position:fixed;inset:0;overflow:hidden}.sphr-canvas{touch-action:none;width:100%;height:100%;display:block;position:absolute;inset:0}.sphr-viewport,.sphr-viewer-stage,.sphr-embedded-viewer{border:0;width:100%;height:100%;position:absolute;inset:0}.sphr-viewer-stage{transition:opacity .18s}.sphr-embedded-annotations{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.scene-load-screen{z-index:40;isolation:isolate;padding:max(48px, env(safe-area-inset-top)) 32px max(48px, env(safe-area-inset-bottom));color:#f5f5f5;background:#151719;place-items:center;display:grid;position:absolute;inset:0;overflow:auto}.scene-load-backdrop{z-index:-3;position:absolute;inset:0;overflow:hidden}.scene-load-backdrop:after{content:"";background:#080a0ca3;position:absolute;inset:0}.scene-load-image{object-fit:cover;filter:blur(16px);opacity:.85;width:calc(100% + 80px);max-width:none;height:calc(100% + 80px);margin:-40px}.scene-load-grid{z-index:-2;pointer-events:none;position:absolute;inset:0}.scene-load-grid-minor{stroke:#dcdcdc14;stroke-width:1px}.scene-load-grid-major{stroke:#dcdcdc29;stroke-width:1px}.scene-load-content{width:min(480px,100%)}.scene-load-drawing{stroke-width:1px;width:160px;height:144px;margin:0 auto 32px;display:block}.scene-load-construction{stroke:#dcdcdc33}.scene-load-hidden-edge{stroke:#dcdcdc59;stroke-dasharray:3 5}.scene-load-cube{stroke:#dcdcdcb3;stroke-width:1.25px}.scene-load-title{text-align:center;font-size:clamp(24px,3vw,32px);line-height:1.15;font-weight:var(--weight-regular);text-wrap:balance;overflow-wrap:anywhere;margin:0 0 36px}.scene-load-meta{justify-content:space-between;align-items:baseline;gap:16px;font-size:14px;line-height:1.4;display:flex}.scene-load-percent{font-variant-numeric:tabular-nums}.scene-load-percent>span{color:#bcbcbc;margin-left:3px}.scene-load-track{background:#dcdcdc47;height:2px;margin-top:12px;overflow:hidden}.scene-load-track>span{background:#d0d0d0;height:100%;transition:width .18s ease-out;display:block}.scene-load-ticks{justify-content:space-between;align-items:flex-start;height:8px;display:flex}.scene-load-ticks i{background:#dcdcdc59;width:1px;height:4px;display:block}.scene-load-ticks i:nth-child(5n+1){height:8px}.scene-load-error{color:#bcbcbc;overflow-wrap:anywhere;margin:12px 0 0;font-size:14px}.scene-load-recovery{flex-wrap:wrap;align-items:center;gap:24px;margin-top:24px;font-size:14px;display:flex}.scene-load-recovery a{color:#f5f5f5;align-items:center;min-height:44px;display:inline-flex}.viewer-header{top:var(--space-3);left:var(--space-3);right:var(--space-3);z-index:22;justify-content:space-between;align-items:flex-start;gap:var(--space-2);pointer-events:none;display:flex;position:absolute}.scene-heading{border-top:var(--rule-strong);min-width:0;padding:var(--space-1) var(--space-2);background:var(--surface-page);font-size:var(--size-caption);display:flex}.scene-heading span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.hud-left,.hud-right{background:var(--rule-hair-color);pointer-events:none;gap:1px;display:flex}.hud-left{z-index:20;left:var(--space-3);bottom:var(--space-3);position:absolute}.hud-right{flex:none}.viewer-button{pointer-events:auto;width:44px;height:44px;padding:0}.viewer-button svg,.tour-nav svg{flex:none}.guide-toggle{background:var(--surface-page);height:44px;color:var(--text-heading);font-size:var(--size-caption);pointer-events:auto;border:1px solid #0000;align-items:center;gap:8px;padding:0 10px;display:inline-flex}.guide-toggle:hover{background:var(--paper-tint)}.guide-switch{border:1px solid var(--text-muted);background:var(--paper-tint);border-radius:999px;flex:none;width:34px;height:18px;position:relative}.guide-switch:after{content:"";background:var(--always-paper);border-radius:50%;width:12px;height:12px;position:absolute;top:2px;left:2px}.guide-toggle[aria-checked=true] .guide-switch{background:var(--accent);border-color:var(--accent)}.guide-toggle[aria-checked=true] .guide-switch:after{transform:translate(16px)}.navigation-status{z-index:25;top:88px;left:var(--space-3);max-width:calc(100% - 48px);padding:var(--space-2);border-left:3px solid var(--accent);background:var(--surface-page);font-size:var(--size-caption);position:absolute}.tour-overlay{z-index:18;pointer-events:none;position:absolute;inset:0}.tour-copy{left:var(--space-3);width:min(38vw,440px);max-height:calc(100% - 200px);padding:var(--space-3);border-top:var(--rule-strong);background:var(--surface-page);pointer-events:auto;text-align:left;position:absolute;top:104px;overflow:auto}.tour-overlay.text-right .tour-copy{left:auto;right:var(--space-3)}.tour-overlay.text-center .tour-copy{width:min(56vw,640px);left:50%;transform:translate(-50%)}.tour-main-text{color:var(--text-heading);font-size:var(--size-h2);line-height:var(--leading-heading)}.tour-main-text>:first-child,.tour-secondary-text>:first-child{margin-top:0}.tour-main-text>:last-child,.tour-secondary-text>:last-child{margin-bottom:0}.tour-main-text h1,.tour-main-text h2,.tour-main-text h3{font-size:inherit}.tour-copy em,.tour-copy i{font-style:normal}.tour-secondary-text{margin-top:var(--space-2);color:var(--text-muted);font-size:var(--size-body);line-height:var(--leading-body)}.tour-media{object-fit:contain;object-position:left;width:min(100%,360px);max-height:24vh;margin-bottom:var(--space-2);display:block}.tour-nav{bottom:var(--space-3);gap:var(--space-1);pointer-events:none;display:flex;position:absolute;left:50%;transform:translate(-50%)}.tour-prev,.tour-next{pointer-events:auto;width:44px;height:44px;padding:0}.tour-button-label{display:none}.library-message{max-width:720px;padding:var(--space-4);border-top:var(--rule-strong);margin:12vh auto 0}.library-message h1{font-size:var(--size-h2);line-height:var(--leading-heading)}.library-message p{color:var(--text-muted)}.library-message a{margin-top:var(--space-2);display:inline-block}.eyebrow{font-size:var(--size-caption)}.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}@media (max-width:1100px){.space-library{padding:var(--space-4)}}@media (max-width:740px){.scene-load-screen{padding-left:32px;padding-right:32px}.scene-load-drawing{width:128px;height:116px;margin-bottom:24px}.scene-load-title{margin-bottom:28px}.space-library{padding:var(--space-3) var(--space-2)}.library-layout{gap:var(--space-3);grid-template-columns:minmax(0,1fr)}.library-toolbar{gap:var(--space-1) var(--space-2);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.library-search-label{grid-area:1/1;margin:0}.library-sort{grid-area:1/2;margin:0}.library-search{grid-area:2/1}.library-sort-select{grid-area:2/2}.space-grid{gap:var(--space-4)}.viewer-header{top:calc(16px + env(safe-area-inset-top));left:var(--space-2);right:var(--space-2);align-items:stretch;gap:var(--space-1);flex-direction:column}.scene-heading{font-size:var(--size-label)}.hud-right{align-self:flex-end}.hud-left{left:var(--space-2);bottom:calc(16px + env(safe-area-inset-bottom))}.tour-nav{bottom:calc(16px + env(safe-area-inset-bottom));left:var(--space-2);right:var(--space-2);align-items:center;gap:var(--space-1);flex-direction:column;transform:none}.tour-prev{width:auto;height:44px;padding:var(--space-1) var(--space-2);font-size:var(--size-caption)}.tour-next{width:100%;height:72px;padding:var(--space-2);text-transform:uppercase;font-size:22px}.tour-next-final{font-size:18px}.tour-button-label{display:inline}.has-guided-tour .tour-copy,.tour-overlay.text-right .tour-copy,.tour-overlay.text-center .tour-copy{top:auto;bottom:calc(156px + env(safe-area-inset-bottom));left:var(--space-2);right:var(--space-2);width:auto;max-height:calc(100% - 272px - env(safe-area-inset-bottom) - env(safe-area-inset-top));padding:var(--space-2);transform:none}.tour-main-text{font-size:20px}.tour-secondary-text{font-size:var(--size-caption)}.tour-media{max-height:18vh}.navigation-status{top:calc(112px + env(safe-area-inset-top));left:var(--space-2);max-width:calc(100% - 32px)}.library-message{margin:12vh var(--space-2) 0;padding:var(--space-3) 0}}@media (prefers-reduced-motion:reduce){button,a,.scene-load-track>span{transition:none}}.admin-header{border-bottom:1px solid var(--border-color,#333);justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;padding-bottom:24px;display:flex}.admin-header h1,.admin-form h1{margin:0;font-size:24px;line-height:1.2}.admin-header nav{align-items:center;gap:24px;display:flex}.admin-header button,.admin-form button{color:#111;min-height:44px;font:inherit;cursor:pointer;background:#f5f3ee;border:0;padding:12px 16px}.admin-header a,.admin-form a{color:inherit}.admin-help{color:#aaa;margin:24px 0;font-size:14px;line-height:1.5}.admin-password{margin-top:24px;font-size:14px}.admin-password summary{cursor:pointer;min-height:44px}.admin-form{flex-direction:column;gap:12px;display:flex}.admin-form input{color:#f5f3ee;width:100%;min-height:44px;font:inherit;background:#222;border:1px solid #555;border-radius:0;padding:12px}.admin-form label{margin-top:8px;font-size:14px}.admin-form button{margin-top:12px}.admin-form button:disabled,.admin-visibility select:disabled{opacity:.5;cursor:wait}.admin-login{color:#f5f3ee;background:#111;place-items:center;min-height:100dvh;padding:32px 24px;display:grid}.admin-login .admin-form{width:min(100%,360px)}.admin-login .admin-form a{margin-top:16px;font-size:14px}.admin-feedback p{margin:0 0 24px;line-height:1.5}.admin-feedback [role=alert],.admin-form [role=alert]{color:#fff;border-left:3px solid #0098db;padding-left:12px}.admin-visibility{justify-content:space-between;align-items:center;gap:16px;padding:0 24px 24px;font-size:14px;display:flex}.admin-visibility select{color:#f5f3ee;min-height:44px;font:inherit;background:#282828;border:0;border-radius:0;padding:8px 12px}.admin-library :focus-visible,.admin-login :focus-visible{outline-offset:3px;outline:2px solid #0098db}.admin-library .library-search:focus-within{outline:2px solid #0098db}@media (max-width:740px){.admin-library .library-toolbar{flex-direction:column;align-items:stretch;gap:0;display:flex}.admin-header{flex-direction:column;align-items:flex-start;gap:16px}.admin-header nav{justify-content:space-between;gap:16px;width:100%}.admin-header h1{font-size:22px}.admin-help{margin:16px 0}.admin-visibility{padding:0 16px 16px}}