.page__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.page__title {
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  min-width: 0;
}

.page__title-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page__subtitle {
  color: var(--color-armadillo-600);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.page__subtitle:empty {
  display: none;
}

.page__header-left {
  min-width: 0;
  flex: 1;
}

.page__header-identity {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

.inline-editable {
  position: relative;
  max-width: 100%;
}

.inline-editable__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 0.375rem;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-spring-wood-600);
  background: none;
  color: var(--color-armadillo-400);
  cursor: pointer;
  font-size: 0.8125rem;
  vertical-align: middle;
  transition: color var(--transition-normal), background-color var(--transition-normal);

  &:hover {
    color: var(--color-armadillo-800);
    background-color: color-mix(in srgb, var(--color-armadillo-800) 5%, transparent);
  }

  &:focus-visible {
    outline: 2px solid var(--color-primary-900);
    outline-offset: 2px;
  }
}

@media (pointer: coarse) {
  .inline-editable__trigger {
    width: 2rem;
    height: 2rem;
  }
}

/* Constant-height slot above a page title; reserved on every screen (empty when
   a screen has no parent) so the title never shifts. See NavigationHelper#page_back. */
.page__back {
  display: flex;
  align-items: center;
  height: 1.5rem;
  margin-bottom: var(--space-xs);
}

.page__back-link,
.page__back-current {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-armadillo-500);
  text-decoration: none;
}

.page__back-link {
  transition: color var(--transition-fast);
}

.page__back-link:hover {
  color: var(--color-armadillo-800);
}

/* The label truncates when the bar is tight (mainly the editor's collection name);
   the chevron / house icon stays. */
.page__back-link__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page__header-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;

  @media (max-width: 640px) {
    width: 100%;
    justify-content: flex-start;
  }
}

.page__header-actions__group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.page__header-actions__new-section {
  @media (max-width: 480px) {
    display: none;
  }
}

.dropdown__item--narrow-only {
  @media (min-width: 481px) {
    display: none;
  }
}

.page__header-actions .dropdown__menu {
  @media (max-width: 480px) {
    right: auto;
    left: 0;
    transform-origin: top left;
  }
}

.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.empty-state__icon {
  font-size: 2rem;
  color: var(--color-brand-amber);
  margin-bottom: var(--space-md);
}

.empty-state__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.empty-state__description {
  font-size: 0.875rem;
  color: var(--color-armadillo-500);
}

.page__meta {
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-armadillo-700);
}

.meta-public {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  line-height: 1;
}

.sheet__meta > * + *::before,
.page__meta > * + *::before {
  content: "·";
  margin-inline: 0.375rem;
  color: var(--color-armadillo-300);
}