/* Page shell. */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: calc(-1 * var(--space-7));
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  z-index: 10;
}

.skip-link:focus {
  top: var(--space-2);
}

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.app-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  max-width: var(--content-max);
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.app-brand__logo {
  display: block;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  white-space: nowrap;
}

.app-nav__link {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  color: var(--color-ink-muted);
  text-decoration: none;
}

.app-nav__link:hover,
.app-nav__link[aria-current="page"] {
  color: var(--color-primary-strong);
  background: var(--color-primary-soft);
}

/* Admin pages under one menu */
.app-nav__menu {
  position: relative;
}

.app-nav__menu > summary {
  list-style: none;
  cursor: pointer;
  white-space: nowrap;
}

.app-nav__menu > summary::-webkit-details-marker {
  display: none;
}

.app-nav__menu > summary::after {
  content: " ▾";
  font-size: var(--text-xs);
}

.app-nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-1));
  left: 0;
  z-index: 10;
  display: grid;
  min-width: 12rem;
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

/* A menu on the right side of the header opens towards the left */
.app-nav__dropdown--end {
  left: auto;
  right: 0;
}

.app-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-7);
}

.app-footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-4);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.page__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.page__title {
  margin: 0;
}

@media (max-width: 40rem) {
  .app-header__inner {
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-block: var(--space-2);
  }

  /* The user area wraps to its own line, near the left edge: open rightwards */
  .app-nav__dropdown--end {
    left: 0;
    right: auto;
  }
}

/* Signed-in user, right side of the header */
.app-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  margin-left: auto;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

/* Sign in, password reset and invitation pages */
.auth {
  max-width: 26rem;
  margin: var(--space-6) auto 0;
}

.auth__footer {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

.app-user__name {
  white-space: nowrap;
}