.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
}

.nav__logo {
  font-weight: 700;
  font-size: 18px;
  white-space: nowrap;
  color: var(--accent);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-switch {
  display: flex;
  gap: 3px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.theme-switch__option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  appearance: none;
  transition:
    color 0.18s ease,
    background-color 0.18s ease;
}

.theme-switch__option:hover {
  color: var(--fg);
  background: color-mix(in srgb, var(--fg) 8%, transparent);
}

/* the active pill is driven by data-theme on :root, not by a JS class: the
   anti-FOUC head script sets the attribute before first paint, so the switch
   never flashes the wrong state on load */
:root:not([data-theme]) .theme-switch__option--system,
:root[data-theme="light"] .theme-switch__option--light,
:root[data-theme="dark"] .theme-switch__option--dark {
  background: var(--accent);
  color: var(--bg);
}

/* hover on the active option must not compete with its selected state */
:root:not([data-theme]) .theme-switch__option--system:hover,
:root[data-theme="light"] .theme-switch__option--light:hover,
:root[data-theme="dark"] .theme-switch__option--dark:hover {
  background: var(--accent);
  color: var(--bg);
}

.theme-switch__icon {
  width: 15px;
  height: 15px;
  stroke-width: 2;
}

@media (max-width: 640px) {
  .nav {
    padding: 10px 22px;
  }

  .nav__logo {
    font-size: 16px;
  }
}