/* MNT DocumentRoot — 상단바·셸 (royai-platform / KBio CSS 미참조) */
.mnt-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.65rem 10vw;
}

.mnt-topbar__start {
  flex-shrink: 0;
}

.mnt-topbar-brand {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--mnt-ink, #091f5c);
  text-decoration: none;
}

.mnt-topbar-nav {
  flex: 1 1 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.mnt-topbar-nav a {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--mnt-muted, #4a628a);
}

.mnt-topbar-nav a.mnt-topbar-nav--active {
  background: rgba(255, 255, 255, 0.5);
  color: var(--mnt-ink, #091f5c);
  font-weight: 600;
}

.mnt-topbar__end {
  margin-left: auto;
  flex-shrink: 0;
}

.mnt-user-cluster {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mnt-hub-user-card {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--mnt-glass-border, rgba(255, 255, 255, 0.72));
  background: rgba(255, 255, 255, 0.45);
}

.mnt-hub-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  background: linear-gradient(135deg, #6366f1, #334daf);
  color: #fff;
  font-size: 0.85rem;
}

.mnt-user-logout-btn {
  display: inline-flex;
  padding: 0.4rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.35);
}

.mnt-main {
  min-height: 50vh;
}