.participant-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  padding: 0 var(--space-6);
}
.participant-topbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.participant-topbar__logo img {
  height: 32px;
}
.participant-topbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.participant-topbar__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.participant-topbar__icon:hover {
  background-color: var(--surface-hover);
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .participant-topbar { padding: 0 var(--space-4); }
}