.public-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  backdrop-filter: blur(10px);
}

.public-topbar .topbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
}

.public-topbar .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.public-topbar .brand:hover .brand-name { color: var(--accent); }

.public-topbar .brand-logo {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
}

.public-topbar .brand-logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border: 0;
}

.public-topbar .brand-name { white-space: nowrap; }

.public-topbar .topnav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
  flex-wrap: nowrap;
}

.public-topbar .topnav a {
  color: var(--muted);
  padding: 7px 6px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.public-topbar .topnav a:hover {
  color: var(--text);
  background: var(--surface-muted, var(--panel-alt));
  border-color: var(--border);
}

.public-topbar .topnav a.active {
  color: var(--text);
  border-color: transparent;
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.public-topbar .topbar-actions,
.public-topbar .language-control {
  display: flex;
  align-items: center;
}

.public-topbar .topbar-actions { gap: 10px; }

.public-topbar .language-control {
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.public-topbar .language-control a {
  padding: 4px 2px;
  color: inherit;
  text-decoration: none;
}

.public-topbar .language-control a[aria-current="true"] {
  color: var(--text);
  font-weight: 800;
}

.public-topbar .theme-toggle {
  width: 34px;
  min-width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.public-topbar .theme-toggle:hover {
  border-color: var(--border);
  background: var(--surface-muted, var(--panel-alt));
}

@media (max-width: 720px) {
  .public-topbar .topbar-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .public-topbar .topnav {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    margin: 0;
    justify-content: center;
  }

  .public-topbar .topnav a {
    padding: 6px 7px;
    font-size: 12px;
  }

  .public-topbar .topbar-actions {
    grid-column: 2;
    grid-row: 1;
    justify-content: flex-end;
  }
}

@media (max-width: 380px) {
  .public-topbar .brand-name { display: none; }
}