.public-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(.6rem, 2vw, 1.5rem);
  min-height: 5rem;
  padding: .75rem clamp(1rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
}

.public-header__action {
  grid-column: 1;
  justify-self: start;
  min-width: 0;
}

.public-header .public-header__brand {
  position: static;
  grid-column: 2;
  justify-self: center;
  max-width: none;
  color: var(--ink);
  font: 700 clamp(1.15rem, 2vw, 1.45rem)/1.2 Georgia, serif;
  text-decoration: none;
  white-space: nowrap;
  transform: none;
}

.public-header__controls {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: .45rem;
}

.public-header__preferences {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.public-header__button {
  min-width: 3.15rem;
  min-height: 2.75rem;
  padding: .5rem .75rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--surface);
  color: var(--ink);
  font: 700 1rem/1.2 inherit;
  cursor: pointer;
}

.public-header__button:focus-visible,
.public-header__action:focus-visible,
.public-header__brand:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--purple) 38%, transparent);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .public-header {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand controls"
      "action action";
    gap: .55rem;
    padding: .65rem 1rem;
  }

  .public-header .public-header__brand {
    grid-area: brand;
    grid-column: auto;
    justify-self: start;
  }

  .public-header__controls {
    grid-area: controls;
  }

  .public-header__action {
    grid-area: action;
    justify-self: start;
  }

  .public-header__button {
    min-width: 2.8rem;
    padding: .45rem .6rem;
    font-size: .82rem;
  }
}

@media (max-width: 360px) {
  .public-header {
    padding-inline: .65rem;
  }

  .public-header__controls,
  .public-header__preferences {
    gap: .25rem;
  }

  .public-header__button {
    min-width: 2.65rem;
    padding-inline: .45rem;
  }
}


/* Keep public navigation aligned in one row at every viewport */
@media (max-width: 600px) {
  .public-header {
    position: relative;
    grid-template-columns: minmax(3.5rem, 1fr) auto minmax(0, 1fr);
    grid-template-areas: "action brand controls";
    gap: .3rem;
    min-height: 4.5rem;
    padding: .55rem .65rem;
  }
  .public-header__action { grid-area: action; grid-column: auto; align-self: center; justify-self: start; font-size: .72rem; white-space: nowrap; }
  .public-header .public-header__brand { grid-area: brand; grid-column: auto; align-self: center; justify-self: center; font-size: 1rem; }
  .public-header__controls { grid-area: controls; grid-column: auto; justify-self: end; flex-wrap: nowrap; gap: .2rem; }
  .public-header__preferences { flex-wrap: nowrap; gap: .2rem; }
  .public-header__button { min-width: 2.35rem; min-height: 2.5rem; padding: .35rem .42rem; font-size: .72rem; }
}
@media (max-width: 360px) {
  .public-header { grid-template-columns: minmax(3.35rem, 1fr) auto minmax(0, 1fr); gap: .2rem; padding-inline: .45rem; }
  .public-header__action { font-size: .68rem; }
  .public-header .public-header__brand { font-size: .92rem; }
  .public-header__controls,.public-header__preferences { gap: .12rem; }
  .public-header__button { min-width: 2.2rem; min-height: 2.4rem; padding-inline: .32rem; font-size: .68rem; }
}