.app-shell{min-height:100dvh;display:grid;grid-template-columns:240px minmax(0,1fr)}.sidebar{padding:32px 20px;background:var(--color-brand-dark);color:var(--color-on-brand);display:flex;flex-direction:column;gap:46px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;font-size:28px;font-weight:650}.brand small{display:block;font-size:10px;letter-spacing:.14em;font-weight:400;opacity:.75}.sidebar nav{display:grid;gap:8px}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:13px 14px;color:inherit;opacity:.8;border-radius:var(--radius-sm);text-decoration:none;font-size:14px}.sidebar nav a.active{background:var(--color-brand);opacity:1}.sidebar-note{margin-top:auto;border-top:1px solid var(--color-brand);padding:24px 8px;font-size:13px}.sidebar-note p{opacity:.65;line-height:1.7}.app-content{min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 36px;border-bottom:1px solid var(--color-border);background:var(--color-surface);font-size:13px}.workspace-label{color:var(--color-muted)}.main-content{max-width:1180px;margin:0 auto;padding:36px}.demo-banner{background:var(--color-warning-bg);color:var(--color-warning-text);padding:9px 36px;font-size:12px}.skip-link{position:absolute;left:8px;top:-100px;background:var(--color-surface);padding:12px;z-index:2}.skip-link:focus{top:8px}@media(max-width:800px){.app-shell{grid-template-columns:1fr}.sidebar{padding:16px 20px;gap:18px}.brand{font-size:23px}.brand small{font-size:9px}.sidebar nav{display:flex;gap:4px;flex-wrap:wrap}.sidebar nav a{padding:10px;font-size:13px}.sidebar-note{display:none}.main-content{padding:24px 18px}.topbar{padding:14px 20px}.workspace-label{display:none}.demo-banner{padding:10px 20px}}:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;color:var(--color-text);background:var(--color-background);--color-brand: 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transparent;border-radius:var(--radius-sm);font-size:14px;font-weight:550;text-decoration:none;white-space:normal}.button--primary{background:var(--color-brand);color:var(--color-on-brand)}.button--secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.button:hover{filter:brightness(.96)}.panel{padding:28px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:20px;box-shadow:var(--shadow-card)}.panel>p{font-size:14px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field label{font-size:13px;font-weight:550}.field input,.field select,.field textarea{min-width:0;width:100%;padding:12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);background:var(--color-surface);font-size:15px;min-height:44px}.field textarea{resize:vertical}.field 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