.topbar {
  position: sticky;
  z-index: var(--z-sticky, 30);
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-7, 1rem);
  min-height: 56px;
  padding: var(--space-3, 0.5rem) var(--space-8, 1.25rem);
  border-bottom: var(--border-width, 1px) solid var(--border, currentColor);
  background: var(--panel, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-5, 0.75rem);
  min-width: 0;
  color: var(--text, currentColor);
  text-decoration: none;
}

.topbar__logo {
  display: block;
  width: auto;
  height: 30px;
}

.topbar__actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--space-3, 0.5rem);
}

@media (max-width: 640px) {
  .topbar {
    padding-inline: var(--space-7, 1rem);
  }

  .topbar__brand {
    gap: var(--space-3, 0.5rem);
  }
}

.topbar__logout {
  display: inline-flex;
  align-items: center;
}