.topbar .appearance-menu > summary { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--text); }
.topbar .appearance-menu[open] > summary { border-color: var(--navigation-accent); color: var(--navigation-accent); background: var(--strong); }
.appearance-menu > summary svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.appearance-menu .appearance-popover { width: 260px; right: 0; padding: 16px; border-radius: 8px; }
.appearance-popover .appearance-title { margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 15px; }
.appearance-popover .appearance-controls { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
.appearance-popover .appearance-label { font-size: 13px; color: var(--text); }
.appearance-popover :is(.palette-switch, .theme-switch) { display: flex; height: auto; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 6px; background: var(--soft); }
.appearance-popover :is(.palette-swatch, .theme-switch button) { width: 44px; height: 44px; border: 1px solid transparent; border-radius: 4px; }
.appearance-popover .palette-swatch::after { inset: 11px; border-radius: 50%; }
.appearance-popover :is(.palette-swatch, .theme-switch button).selected { border-color: var(--navigation-accent); box-shadow: none; background: var(--panel); }
.appearance-popover .theme-switch svg { width: 21px; height: 21px; }
.appearance-menu :is(summary, button):focus-visible { outline: 2px solid var(--navigation-accent); outline-offset: 3px; }
@media (max-width: 600px) {
  .appearance-menu .appearance-popover { right: -52px; max-width: calc(100vw - 28px); }
}