:root{font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--foreground);background:var(--background);font-synthesis:none;--accent:var(--brand);--muted:var(--muted-foreground);--line:var(--border)}
*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}button:disabled{opacity:.5;cursor:wait}button{cursor:pointer}code,kbd,pre{font-family:Consolas,"SFMono-Regular",monospace}code{font-size:.9em}p{line-height:1.65}h1,h2,h3,p{margin-top:0}.site-header{min-height:88px;background:var(--surface);border-bottom:1px solid var(--line);padding:20px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:18px;text-decoration:none;color:var(--foreground)}.brand-logo{display:block;width:176px;height:auto;flex-shrink:0;background:#fff}.brand-divider{width:1px;height:34px;background:var(--line)}.product-name{font-size:20px;font-weight:650;line-height:1.2}.product-name small{display:block;font-size:9px;letter-spacing:1.6px;color:var(--muted);margin-top:5px}.version-badge{font-size:11px;font-weight:600;padding:5px 9px;border:1px solid var(--border);border-radius:5px;color:var(--accent);background:var(--brand-subtle)}.external-nav{display:flex;gap:25px;font-size:13px;font-weight:600}.external-nav a{text-decoration:none;color:var(--muted-foreground)}.external-nav a:hover{color:var(--accent)}.app-layout{display:grid;grid-template-columns:238px minmax(0,1fr);max-width:1800px;margin:auto}.sidebar{padding:36px 22px;border-right:1px solid var(--line);min-width:0}.sidebar-title{font-size:10px;font-weight:750;letter-spacing:1.5px;color:var(--muted-foreground);padding:0 12px 22px}.sidebar-title>span{display:block;letter-spacing:0;font-size:12px;color:var(--muted-foreground);font-weight:400;margin-top:8px}.scenario-nav{display:flex;flex-direction:column;gap:5px}.scenario-nav a{display:flex;align-items:center;gap:12px;min-height:47px;padding:10px 12px;border-radius:6px;font-size:13px;font-weight:550;text-decoration:none;color:var(--muted-foreground)}.scenario-nav a:hover{background:var(--surface-elevated)}.scenario-nav a.active{background:var(--brand-subtle);color:var(--brand-subtle-foreground)}.nav-number{font-family:Consolas,monospace;font-size:11px;color:var(--muted-foreground)}.active .nav-number{color:var(--accent)}.nav-arrow{margin-left:auto;font-size:20px;color:var(--accent);visibility:hidden}.active .nav-arrow{visibility:visible}.sidebar-info{margin:36px 12px 0;padding-top:24px;border-top:1px solid var(--line);font-size:11px;color:var(--muted-foreground)}.sidebar-info p{margin:12px 0 16px}.sidebar-info a{font-size:12px;font-weight:600;text-decoration:none}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-right:7px;flex-shrink:0}main{padding:38px 40px 0;min-width:0;outline:none}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--accent);margin-bottom:15px}.eyebrow span{margin:0 9px;color:var(--muted-foreground)}.scenario-heading h1{font-size:clamp(26px,2.6vw,38px);font-weight:650;line-height:1.18;letter-spacing:-1.1px;color:var(--foreground);margin-bottom:15px}.scenario-heading>p{font-size:14px;color:var(--muted);max-width:750px;margin-bottom:28px}.demo-panel{background:var(--surface);border:1px solid var(--line);border-radius:9px;overflow:hidden;min-width:0;box-shadow:0 3px 12px var(--panel-shadow-color)}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border-bottom:1px solid var(--border)}.panel-heading h2{font-size:15px;font-weight:650;margin-bottom:5px}.panel-heading p{color:var(--muted);font-size:12px;margin:0}.data-badge{white-space:nowrap;background:var(--surface-elevated);color:var(--muted-foreground);border:1px solid var(--border);border-radius:5px;font-size:11px;padding:6px 9px}.grid-frame{width:100%;max-width:100%;min-width:0;overflow:hidden;padding:0}yc-grid{display:block;width:100%;max-width:100%;min-width:0}.panel-footer{min-height:42px;padding:13px 20px;background:var(--surface-elevated);border-top:1px solid var(--border);display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:11px;color:var(--muted-foreground);line-height:1.5}.panel-footer .status-dot{margin-right:2px}.footer-right{margin-left:auto}.usage-note{display:grid;grid-template-columns:142px minmax(0,1fr);gap:22px;border-left:3px solid var(--brand);margin:26px 0;padding:3px 0 3px 18px}.note-label{font-size:10px;font-weight:700;letter-spacing:1.2px;color:var(--accent);padding-top:4px;line-height:1.7}.usage-note p{font-size:12px;color:var(--muted-foreground);margin-bottom:8px}.usage-note p:last-child{margin-bottom:0}.feature-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px 0}.feature-cards article{background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:20px}.feature-cards span{color:var(--muted-foreground);letter-spacing:1.1px;font-size:9px;font-weight:600}.feature-cards h3{font-size:14px;margin:14px 0 9px}.feature-cards p{color:var(--muted);font-size:12px;margin-bottom:0}.integration{background:var(--surface);border:1px solid var(--line);border-radius:7px;margin-top:28px}.integration>summary{cursor:pointer;font-size:13px;font-weight:600;padding:18px 20px;color:var(--foreground)}.integration>summary span{float:right;color:var(--muted);font-size:11px;font-weight:400}.integration-content{padding:0 22px 22px;min-width:0}.integration-content p{font-size:13px;color:var(--muted)}.integration-content a{font-size:12px}.integration-content pre{background:var(--code-background);border:1px solid var(--border);border-radius:5px;padding:16px;overflow:auto;font-size:12px;line-height:1.7;max-width:100%}.site-footer{margin-top:32px;padding:22px 0 26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;color:var(--muted-foreground);font-size:11px;flex-wrap:wrap}.site-footer a{color:var(--muted-foreground);text-decoration:underline}.footer-separator{margin:0 14px;color:var(--muted-foreground)}.segmented{display:inline-flex;padding:4px;background:var(--surface-elevated);border:1px solid var(--border);border-radius:7px;gap:4px;margin-bottom:20px}.segmented button{border:0;border-radius:4px;padding:9px 15px;background:transparent;color:var(--muted-foreground);font-size:12px;font-weight:600}.segmented button.selected{background:var(--surface);color:var(--accent);box-shadow:0 1px 4px var(--panel-shadow-color)}.toolbar{display:flex;flex-wrap:wrap;align-items:end;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border);background:var(--surface-elevated)}.toolbar label{display:flex;flex-direction:column;gap:6px;font-size:11px;font-weight:550;color:var(--muted-foreground)}.toolbar select,.toolbar input{height:35px;border:1px solid var(--control-border);border-radius:5px;padding:6px 10px;background:var(--surface);color:var(--foreground);max-width:100%;min-width:0;font-size:12px}.toolbar input{width:230px}.button{min-height:35px;padding:8px 12px;border:1px solid var(--control-border);background:var(--surface);border-radius:5px;font-size:11px;font-weight:600;color:var(--foreground)}.button:hover:enabled{background:var(--brand-subtle)}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--on-brand)}.button.primary:hover:enabled{background:var(--brand-hover)}.column-chooser{padding:14px 20px;border-bottom:1px solid var(--border);font-size:12px}.column-chooser summary{cursor:pointer;color:var(--muted-foreground)}.column-options{display:flex;gap:12px 20px;flex-wrap:wrap;padding-top:16px}.column-options label{display:flex;gap:7px;align-items:center;min-height:30px;font-size:12px;color:var(--muted-foreground)}.column-options input{accent-color:var(--accent);width:16px;height:16px}kbd{border:1px solid var(--border);border-radius:3px;font-size:10px;padding:1px 4px;background:var(--surface)}.skip-link{position:absolute;top:-80px;left:16px;padding:12px;background:var(--surface);z-index:10}.skip-link:focus{top:8px}.startup{margin:15vh auto;max-width:500px;padding:30px;text-align:center;color:var(--muted)}.startup strong{font-size:32px;color:var(--accent)}.startup p{font-size:14px}.error-panel{padding:30px;border:1px solid var(--error-border);background:var(--error-background);border-radius:7px}#blazor-error-ui{display:none;position:fixed;bottom:0;left:0;right:0;padding:15px 24px;background:var(--error-background);border-top:1px solid var(--error-border);z-index:100;font-size:13px}
@media(min-width:1500px){main{padding-left:52px;padding-right:52px}}
@media(max-width:1000px){.site-header{padding:20px 24px}.app-layout{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:30px 12px}.scenario-nav a{font-size:12px;gap:8px}main{padding:30px 24px 0}.external-nav{gap:15px}.usage-note{grid-template-columns:1fr;gap:9px}.feature-cards{gap:10px}.feature-cards article{padding:16px}.panel-heading{padding:18px}.brand{gap:12px}}
@media(max-width:760px){.site-header{padding:16px 20px;flex-wrap:wrap;gap:16px;min-height:auto}.brand{gap:12px}.brand-logo{width:clamp(100px,30vw,144px)}.product-name{font-size:18px}.external-nav{gap:22px;width:100%;font-size:11px}.app-layout{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:14px 16px;background:var(--surface)}.sidebar-title,.sidebar-info{display:none}.scenario-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.scenario-nav a{font-size:11px;padding:9px 8px;min-height:38px;gap:7px}.nav-arrow{display:none}.nav-number{font-size:9px}main{padding:26px 20px 0}.scenario-heading h1{letter-spacing:-.7px;font-size:28px}.scenario-heading>p{font-size:13px;margin-bottom:22px}.panel-heading{align-items:flex-start;flex-direction:column;gap:12px}.data-badge{font-size:10px}.panel-footer{padding:12px 14px}.footer-right{margin-left:0;width:100%}.feature-cards{grid-template-columns:1fr;gap:10px}.feature-cards article{padding:18px}.feature-cards h3{margin-top:9px}.integration>summary span{display:none}.toolbar{padding:14px;gap:9px}.toolbar label{max-width:100%}.toolbar input{width:100%}.filter-toolbar label{width:100%}.button{min-height:38px}.segmented{max-width:100%;display:flex}.segmented button{flex:1;padding:9px 8px}.column-chooser{padding:14px}.site-footer{font-size:10px}.integration-content{padding:0 14px 18px}}
@media(max-width:380px){main{padding:24px 12px 0}.site-header{padding:16px 12px}.brand{gap:8px}.version-badge{font-size:10px;padding:4px 6px}.scenario-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario-heading h1{font-size:26px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.virtual-grid-frame{position:relative}.virtual-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:28px;text-align:center;background:var(--surface);color:var(--foreground)}.virtual-loading strong{font-size:14px;font-weight:600}.virtual-loading p{font-size:12px;color:var(--muted);max-width:360px;margin:0}.virtual-loading .status-dot{margin:0;width:8px;height:8px}