.topbar {
  flex: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.brand {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand span { color: var(--accent); margin-left: 2px; }

.topbar-actions { margin-left: auto; }

.view-switch {
  display: flex;
  gap: 2px;
  padding: 2px;
  background: var(--line);
  border-radius: 7px;
}

.vs-item {
  padding: 5px 14px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: .15s;
}
.vs-item:hover { color: var(--text); }
.vs-item.is-active {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}