/* Beginner shell: preserve the pixel/low-poly visual vocabulary and live nodes. */
main[data-workspace-ready] {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: none;
  max-width: 1280px;
  gap: 24px;
  padding-top: 16px;
}
main[data-workspace-ready] > * { grid-area: auto; min-width: 0; }
.workspace-nav { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.workspace-nav a, .workspace-action {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; min-width: 44px; padding: 10px 20px;
  border: 1px solid var(--line); color: var(--ink); text-decoration: none;
  font: 18px/1.3 Pixel, monospace;
}
.workspace-nav a[aria-current], .workspace-action { background: var(--acid); color: var(--bg); border-color: var(--acid); }
.workspace-nav a:hover { border-color: var(--acid); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--acid); outline-offset: 4px;
}
[id^="workspace-"] { scroll-margin-top: 20px; }
.workspace-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.workspace-heading h1, .workspace-heading h2 { font: 500 28px/1.15 Pixel, monospace; margin: 0 0 8px; }
.workspace-heading p { margin: 0; color: var(--muted); font: 13px/1.6 Mono, monospace; }
.workspace-action { flex-shrink: 0; }
#workspace-alerts:empty { display: none; }
#workspace-alerts { order: -1; }
#workspace-alerts #notice { margin: 0; padding: 10px 0; overflow-wrap: anywhere; }
#workspace-alerts #sessionRecovery { padding: 16px; border: 1px solid var(--red); margin-bottom: 8px; }
#workspace-monitor .view-tabs button { min-height: 52px; padding: 10px; font-size: 17px; }
#workspace-monitor .stage-top { min-height: 54px; height: auto; gap: 8px; padding: 5px 12px; }
#workspace-monitor .stage-top button { min-height: 44px; }
#workspace-monitor .scene-wrap { height: clamp(360px, 46vw, 590px); }
#workspace-monitor .brain-bar { display: block; padding: 12px 16px; }
#workspace-monitor .brain-runtime { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 16px; padding: 0; border: 0; }
#workspace-monitor .brain-runtime > div:not(.brain-runtime-actions) { display: flex; gap: 8px; flex-wrap: wrap; }
#workspace-monitor .brain-runtime p { margin: 0; font-size: 13px; line-height: 1.6; overflow-wrap: anywhere; }
#workspace-monitor .brain-runtime button { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); font-family: Pixel, monospace; }
#workspace-monitor .decision { margin-top: 12px; }
#workspace-monitor .decision b { font-size: 20px; }
#workspace-monitor .brain-detail summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 12px; cursor: pointer; }
.workspace-metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; padding: 16px; border-bottom: 1px solid var(--line); }
.workspace-metrics span, .workspace-metrics strong, .workspace-metrics small { display: block; overflow-wrap: anywhere; }
.workspace-metrics span, .workspace-metrics small { color: var(--muted); margin-bottom: 6px; }
.workspace-metrics strong { font-size: 18px; }
#workspace-practice, #workspace-activity, #workspace-more { border-top: 1px solid var(--line); padding: 24px 0 0; }
#workspace-practice { border-left: 0; }
#workspace-activity .balance > strong { font-size: 32px; }
#workspace-activity .stats { grid-template-columns: repeat(5,minmax(0,1fr)); }
#workspace-activity .stats label:last-child { grid-column: auto; }
#workspace-more > section, #workspace-more > details { margin: 16px 0; }
#workspace-more .fly-identity-panel { padding: 16px; background: var(--panel); }
#workspace-more summary, #workspace-more button, #workspace-practice button, #workspace-alerts button { min-height: 44px; }
#workspace-more .account-login summary { padding: 12px 0; cursor: pointer; }
#workspace-more .account-login form { display: flex; flex-wrap: wrap; gap: 12px; padding: 12px 0; }
#workspace-more .account-login input { min-height: 44px; max-width: 100%; }
/* Desktop is a simultaneous workspace, not a stretched mobile feed. */
@media (min-width: 1100px) {
  main[data-workspace-ready] { max-width: 1760px; grid-template-columns: minmax(0,1.15fr) minmax(420px,1fr); align-items: start; column-gap: 28px; }
  main[data-workspace-ready] > * { grid-column: 1 / -1; }
  main[data-workspace-ready] > #workspace-monitor { grid-column: 1; grid-row: 3; }
  main[data-workspace-ready] > #workspace-practice { grid-column: 2; grid-row: 3; padding: 0 0 0 24px; border-top: 0; border-left: 1px solid var(--line); }
  #workspace-monitor .workspace-heading { flex-wrap: wrap; gap: 10px; }
  #workspace-monitor .workspace-heading h1 { font-size: 26px; }
  #workspace-monitor .workspace-action { font-size: 16px; padding: 8px 12px; }
  #workspace-monitor .scene-wrap { height: clamp(340px,34vw,510px); }
  #workspace-monitor .brain-runtime { grid-template-columns: minmax(0,1fr); }
  #workspace-monitor .brain-inside canvas { max-width: 100%; }
  #workspace-practice .workspace-heading { min-height: 84px; }
  #workspace-practice .workspace-modes { flex-wrap: wrap; }
  #workspace-practice canvas { max-width: 100%; }
}
.language-picker select { min-height: 44px; padding: 6px 10px; }
/* Respect runtime visibility on every reparented node. */
[hidden] { display: none !important; }
@media (max-width: 640px) {
  main[data-workspace-ready] { padding: 16px 12px 0; gap: 18px; }
  .top { margin-inline: 12px; }
  .workspace-nav { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 4px; }
  .workspace-nav a { padding: 10px 4px; font-size: 16px; }
  .workspace-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .workspace-heading h1, .workspace-heading h2 { font-size: 25px; }
  #workspace-monitor .view-tabs button { font-size: 14px; padding: 8px 4px; }
  #workspace-monitor .scene-wrap { height: 360px; }
  #workspace-monitor .brain-runtime { grid-template-columns: minmax(0,1fr); }
  #workspace-monitor .brain-runtime-actions { flex-wrap: wrap; }
  .workspace-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #workspace-activity .stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #workspace-more .account-login form { flex-direction: column; }
}