/* Shell layout owns the app frame only. Page components stay in page CSS. */
.app-shell-layout {
  grid-template-columns: var(--shell-sidebar-width) minmax(0, 1fr);
  background: var(--theme-page-bg);
}

.app-main {
  min-width: 0;
  background: var(--shell-main-bg);
}

.app-content {
  width: 100%;
  max-width: var(--shell-page-max-width);
  margin-inline: auto;
  padding: var(--shell-page-gutter);
  background: var(--shell-content-bg);
}

.shell-status {
  max-width: var(--shell-page-max-width);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--shell-page-gutter);
}

body.theme-lux .app-content,
body.theme-lux .shell-status {
  margin-inline: 0 auto;
}

@media (max-width: 860px) {
  .app-shell-layout {
    grid-template-columns: 1fr;
  }

  .app-content,
  .shell-status {
    padding-inline: 18px;
  }
}