.ds-workspace {
  width: 100%;
}

.ds-workspace-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--ds-space-5);
  margin-bottom: var(--ds-space-5);
}

.ds-workspace-heading {
  min-width: 0;
}

.ds-workspace-heading span {
  display: block;
  margin-bottom: 5px;
  color: var(--ds-text-secondary);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.ds-workspace-heading h1 {
  margin: 0;
  color: var(--ds-text);
  font-size: clamp(26px, 2.4vw, 34px);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.ds-workspace-heading p {
  margin: 7px 0 0;
  color: var(--ds-text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.ds-workspace-actions {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  flex: 0 0 auto;
}

.ds-master-detail {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  min-height: calc(100vh - 170px);
  overflow: hidden;
  border: 1px solid var(--ds-line);
  border-radius: var(--ds-radius-xl);
  background: var(--ds-surface);
  box-shadow: var(--ds-shadow-md);
}

.ds-master-pane {
  min-width: 0;
  border-right: 1px solid var(--ds-line);
  background: var(--ds-surface-subtle);
}

.ds-detail-pane {
  min-width: 0;
  background: var(--ds-surface);
}

@media (max-width: 900px) {
  .ds-workspace-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .ds-master-detail {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .ds-master-pane {
    border-right: 0;
    border-bottom: 1px solid var(--ds-line);
  }
}