.appShell {
  min-height: calc(100vh - var(--header-height));
}

.appShell--authenticated {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.pageFrame {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding: var(--space-8) clamp(var(--space-5), 3vw, var(--space-10)) var(--space-16);
}

.pageFrame--public {
  width: min(100% - (2 * var(--space-6)), 1180px);
}

.pageHeading,
.dashboardHeading,
.catalogHeading,
.missionHeading,
.rankingHeading,
.arenaHeading,
.profileHeading {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.pageHeading > p:last-child,
.dashboardHeading > p:last-child,
.catalogHeading > p:last-child,
.missionHeading > p:last-child,
.rankingHeading > p:last-child,
.arenaHeading > p:last-child,
.profileHeading > p:last-child {
  max-width: 72ch;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .appShell--authenticated {
    grid-template-columns: 1fr;
  }

  .siteSidebar {
    display: none;
  }

  .pageFrame {
    padding: var(--space-6) var(--space-4) var(--space-12);
  }
}