:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;--fg: #111;--bg: #fafafa;--accent: #3b6bd6;--muted: #666;--border: #e0e0e0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}a{color:var(--accent);text-decoration:none}.app{display:grid;grid-template-rows:56px 1fr;height:100vh}.topbar{display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--border);gap:16px;background:#fff}.topbar .brand{font-weight:600}.topbar .spacer{flex:1}.workspace-switcher select{padding:6px 8px;border-radius:4px;border:1px solid var(--border)}main{padding:24px;overflow:auto}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.catalog-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:6px}.catalog-card .slug{color:var(--muted);font-size:12px}.nav a{margin-right:16px}