.legacy-shell {
  position: sticky;
  top: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--legacy-space-3);
  margin-bottom: var(--legacy-space-4);
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--legacy-border);
  border-radius: calc(var(--radius) + 4px);
  background: var(--legacy-surface);
  box-shadow: var(--legacy-shadow-surface);
}

.legacy-shell__title {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-right: 0.25rem;
  min-width: 12ch;
}

.legacy-shell__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--legacy-text-muted);
  font-weight: 600;
}

.legacy-shell__name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--legacy-text);
  line-height: 1.1;
}

.legacy-shell__group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.legacy-shell__action {
  border: 1px solid var(--legacy-border);
  background: var(--legacy-surface);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--legacy-text);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition:
    background-color var(--legacy-duration-fast) var(--legacy-ease-in-out),
    border-color var(--legacy-duration-fast) var(--legacy-ease-in-out),
    color var(--legacy-duration-fast) var(--legacy-ease-in-out);
}

.legacy-shell__action:hover {
  background: color-mix(in oklab, var(--legacy-surface-muted), var(--legacy-surface) 55%);
  border-color: color-mix(in oklab, var(--legacy-border), var(--legacy-text-muted) 18%);
}

.legacy-shell__icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex: 0 0 auto;
}

.legacy-shell__help {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
}

.legacy-shell__help[aria-hidden='false'] {
  display: flex;
}

.legacy-shell__help-card {
  width: min(560px, 92vw);
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--legacy-border);
  background: var(--legacy-surface);
  box-shadow: var(--legacy-shadow-overlay);
  padding: var(--legacy-space-5);
  transform: translateY(0);
  transition:
    transform var(--legacy-duration-base) var(--legacy-ease-out),
    opacity var(--legacy-duration-base) var(--legacy-ease-out);
}

.legacy-shell__help-card h2 {
  margin: 0 0 var(--legacy-space-2);
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

.legacy-shell__help-card p {
  margin: 0 0 var(--legacy-space-4);
  color: var(--legacy-text-muted);
}

.legacy-shell__help-steps-title {
  margin: 0 0 var(--legacy-space-2);
  color: var(--legacy-text);
  font-weight: 600;
}

.legacy-shell__help-steps-list {
  margin: 0 0 var(--legacy-space-4);
  padding-left: 1.25rem;
  color: var(--legacy-text-muted);
}

.legacy-shell__help-steps-list li {
  margin-bottom: var(--legacy-space-2);
}

.legacy-shell__help-steps-list li:last-child {
  margin-bottom: 0;
}

.legacy-shell__help-actions {
  display: flex;
  justify-content: flex-end;
}

.legacy-shell__status {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .legacy-shell {
    flex-direction: column;
    align-items: stretch;
  }

  .legacy-shell__title {
    min-width: unset;
  }
}