.topbar {
  --navbar-ink: #182230;
  --navbar-primary: #202c39;
  --navbar-muted: #738096;
  --navbar-line: #dde5ee;
  --navbar-surface: #ffffff;
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px max(18px, calc((100vw - 1440px) / 2 + 24px));
  border-bottom: 1px solid rgba(223, 230, 238, 0.9);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand,
.product-switch,
.topbar-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--navbar-ink);
  font-weight: 900;
  text-decoration: none;
}

.brand-img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: contain;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(17, 24, 39, 0.08);
}

.brand-mark {
  display: none !important;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: var(--navbar-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
}

.product-switch {
  justify-self: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--navbar-line);
  border-radius: 999px;
  background: var(--navbar-surface);
}

.product-switch a,
.ghost-button {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--navbar-muted);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.product-switch a.active {
  background: var(--navbar-primary);
  color: #ffffff;
}

.topbar-actions {
  justify-content: flex-end;
  gap: 8px;
}

.ghost-button {
  border: 0;
  background: var(--navbar-surface);
  cursor: pointer;
}

.ghost-button.muted {
  opacity: 0.62;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px 4px 12px;
  border: 1px solid var(--navbar-line);
  border-radius: 999px;
  background: var(--navbar-surface);
}

.lang-icon {
  color: var(--navbar-muted);
}

.lang-options {
  display: flex;
  gap: 4px;
}

.lang-btn {
  border: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--navbar-primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn.muted {
  background: transparent;
  color: var(--navbar-muted);
}

.lang-btn:not(.muted):hover {
  background: var(--navbar-ink);
}

.topbar .primary-button,
.topbar .secondary-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.topbar .primary-button {
  background: var(--navbar-primary);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(31, 41, 51, 0.18);
}

.topbar .secondary-button {
  border-color: var(--navbar-line);
  background: var(--navbar-surface);
  color: var(--navbar-primary);
  box-shadow: none;
}

.topbar .primary-button:hover,
.topbar .secondary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(31, 41, 51, 0.14);
}

.topbar .primary-button:disabled,
.topbar .secondary-button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

@media (max-width: 920px) {
  .topbar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .product-switch {
    justify-self: stretch;
    overflow-x: auto;
  }

  .topbar-actions {
    width: 100%;
    justify-content: stretch;
    overflow-x: auto;
  }
}