.app-shell{min-height:100vh;padding-bottom:76px}.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar-inner{max-width:var(--max);margin:auto;padding:12px 18px;display:flex;align-items:center;gap:12px}.brand{font-weight:800}.top-actions{margin-left:auto;display:flex;gap:8px}.page{max-width:var(--max);margin:auto;padding:20px 16px 96px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);z-index:30}.bottom-nav a{padding:11px 4px;text-align:center;font-size:12px}.hero{display:grid;gap:14px}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:1fr}.sidebar{display:none}