@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .run-view,
  .summary,
  .panels,
  .compare,
  .two-column {
    grid-template-columns: 1fr;
  }

  .tool-lane {
    grid-template-columns: 1fr;
  }

  .tool-label {
    position: static;
  }
}

@media (max-width: 520px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .layout {
    padding: 12px;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}