@media (max-width: 1399px) {
  .workspace {
    grid-template-columns: 286px minmax(390px, 1fr) 330px;
  }
  .workflow-panel,
  .results-panel {
    padding: var(--space-4);
  }
}

@media (max-width: 1199px) and (min-width: 800px) {
  .app-header {
    grid-template-columns: 1fr auto;
  }
  .header-session {
    display: none;
  }
  .workspace {
    grid-template-columns: 286px minmax(0, 1fr);
  }
  .results-drawer-toggle.button,
  .results-close.icon-button {
    display: inline-grid;
  }
  .results-panel {
    position: fixed;
    z-index: var(--z-drawer);
    top: 64px;
    right: 0;
    bottom: 0;
    width: min(390px, calc(100vw - 310px));
    transform: translateX(102%);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
  }
  body.results-open .results-panel {
    transform: translateX(0);
  }
  body.results-open::after {
    content: "";
    position: fixed;
    z-index: calc(var(--z-drawer) - 1);
    inset: 64px 0 0 286px;
    background: rgb(6 18 14 / 35%);
  }
  .results-drawer-toggle {
    color: #e3ece9;
  }
}

@media (max-width: 799px) {
  body {
    overflow: auto;
    padding-bottom: calc(58px + env(safe-area-inset-bottom));
  }
  .app-shell {
    height: auto;
    min-height: 100dvh;
    display: block;
    overflow: visible;
  }
  .app-header {
    position: sticky;
    top: 0;
    height: 60px;
    grid-template-columns: 1fr auto;
    padding: 0 var(--space-3);
  }
  .brand-copy small,
  .header-session,
  .header-actions .button:not(#btn-open) {
    display: none;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
  .header-actions #btn-open {
    min-height: 40px;
  }
  .workspace {
    display: flex;
    flex-direction: column;
    overflow: visible;
    background: var(--color-app);
  }
  .workflow-panel,
  .results-panel,
  .viewer-panel {
    width: 100%;
    overflow: visible;
  }
  .workflow-panel {
    order: 2;
    padding: var(--space-4);
  }
  .viewer-panel {
    order: 1;
    height: min(66vh, 580px);
    min-height: 430px;
    grid-template-rows: 50px minmax(0, 1fr) 34px;
  }
  .results-panel {
    order: 3;
    padding: var(--space-4);
  }
  .results-drawer-toggle.button,
  .results-close.icon-button {
    display: none;
  }
  .viewer-readout #coord-label,
  .viewer-readout i:last-of-type {
    display: none;
  }
  .viewer-footer #viewer-run {
    display: none;
  }
  .canvas-toolbar {
    bottom: var(--space-2);
  }
  .canvas-tool {
    min-width: 42px;
    padding: 7px 8px;
  }
  .canvas-tool kbd {
    display: none;
  }
  .drop-zone {
    min-height: 200px;
  }
  .mobile-action-bar {
    position: fixed;
    z-index: var(--z-header);
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 6px max(8px, env(safe-area-inset-left))
      calc(6px + env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-right));
    border-top: 1px solid var(--color-border);
    background: rgb(255 255 255 / 96%);
    box-shadow: 0 -6px 22px rgb(13 34 28 / 10%);
  }
  .mobile-action-bar button {
    min-height: 42px;
    border: 0;
    color: var(--color-text-secondary);
    background: transparent;
    font-weight: 650;
  }
  .toast-region {
    bottom: calc(68px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 520px) {
  .scale-grid {
    grid-template-columns: 1fr;
  }
  .preprocess-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-grid article {
    padding: 9px;
  }
  .metric-grid strong {
    font-size: 16px;
  }
  .viewer-header {
    padding: 0 var(--space-3);
  }
  .viewer-readout {
    display: none;
  }
  .viewer-footer {
    gap: var(--space-2);
    padding: 0 var(--space-3);
  }
  .report-grid {
    grid-template-columns: 1fr;
  }
  .modal-overlay {
    padding: var(--space-2);
  }
  .modal {
    max-height: calc(100dvh - 16px);
  }
  .modal-header,
  .modal-footer,
  .modal-body {
    padding: var(--space-4);
  }
}