:root{--like: #4caf74;--dislike: #e05c5c;--border: #2a2a32}*{box-sizing:border-box}.app-header-inner{display:flex;align-items:center;gap:1rem;padding:0 1.2rem;height:52px}.app-header-inner .brand{cursor:pointer;font-size:1rem;font-weight:700;letter-spacing:.01em;margin-right:.5rem}.app-header-inner .nav{display:flex}.app-header-inner .spacer{flex:1}.muted{color:var(--n-text-color-disabled, #68687a)}.error{color:var(--dislike)}.browse-view{display:grid;grid-template-columns:240px minmax(0,1fr) 320px;gap:1rem;padding:1rem;align-items:start}.browse-view.activity-collapsed{grid-template-columns:240px minmax(0,1fr) 2.25rem}