/*
 * Starbridge — power-user host layout for the Dragon's Egg workbench.
 *
 * Three-pane grid (object tree | inspector | raw JSON) under a topbar that
 * carries the runtime picker, URI input, and the time-cursor scrubber.
 *
 * Sticks to the site's token vocabulary (--bg, --bg-raised, --fg, --line,
 * --accent, --sN); no fresh color literals.
 */

.sb {
  display: flex;
  flex-direction: column;
  /* fill the viewport under the nav (~64px). Falls back to 100vh if the
   * nav height isn't reachable as a custom property. */
  height: calc(100vh - 64px);
  min-height: 600px;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono, ui-monospace, monospace);
  background: var(--bg);
  color: var(--fg);
}

body:has(.sb) {
  overflow-x: clip;
}

body:has(.sb) .nav {
  min-width: 0;
}

body:has(.sb) .nav__links {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

/* ---------- topbar ---------- */
.sb__topbar {
  flex: 0 0 auto;
  padding: var(--s3) var(--s4);
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg-raised);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}
.sb__topbar-row {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex-wrap: wrap;
}
.sb__topbar-row[hidden],
.sb [hidden] {
  display: none !important;
}
.sb__brand {
  display: grid;
  gap: 1px;
  min-width: 170px;
  padding-right: var(--s2);
  border-right: 1px solid var(--line);
}
.sb__brand strong {
  color: var(--fg);
  font-size: 0.9rem;
  line-height: 1.1;
}
.sb__brand span {
  color: var(--fg-dim);
  font-size: 0.68rem;
}
.sb__topbar-row--time {
  gap: var(--s3);
}
.sb__topbar-row--config {
  padding: var(--s2);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}

.sb__field {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-size: 0.85rem;
}
.sb__field--grow {
  flex: 1 1 320px;
  min-width: 220px;
}
.sb__field-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  white-space: nowrap;
}

.sb__select,
.sb__input {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 6px 10px;
  font: inherit;
  font-size: 0.85rem;
}
.sb__input {
  width: 100%;
  font-family: var(--font-mono, ui-monospace, monospace);
}
.sb__select:focus,
.sb__input:focus {
  outline: none;
  border-color: var(--accent);
}

.sb__btn {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 6px 14px;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.sb__btn:hover { background: var(--accent-bright); border-color: var(--accent-bright); }
.sb__btn:disabled { opacity: 0.45; cursor: not-allowed; }
.sb__btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.sb__btn--ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-bright);
}
.sb__btn--small {
  padding: 4px 8px;
  font-size: 0.78rem;
  margin-bottom: 4px;
  display: block;
  width: 100%;
  text-align: left;
}

.sb__status {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--line-strong);
  color: var(--fg-dim);
  background: var(--bg);
  white-space: nowrap;
}
.sb__status[data-state="ready"] {
  color: var(--accent-bright);
  border-color: var(--accent);
}
.sb__status[data-state="err"] {
  color: #d4685c;
  border-color: #d4685c;
}

/* ---------- scrubber ---------- */
.sb__scrubber {
  flex: 1 1 auto;
  accent-color: var(--accent);
  background: transparent;
}
.sb__scrubber:disabled { opacity: 0.55; }
.sb__cursor-readout {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 12em;
  text-align: right;
}
.sb__surface-strip {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding-top: var(--s1);
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}
.sb__surface-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg-dim);
  font: inherit;
  font-size: 0.72rem;
  line-height: 1;
  text-decoration: none;
  padding: 6px 10px;
  cursor: pointer;
}
.sb__surface-pill:hover,
.sb__surface-pill[aria-current="page"] {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- panes ---------- */
.sb__panes {
  flex: 1 1 auto;
  display: flex;
  gap: 0;
  min-height: 0;
}
@media (max-width: 1100px) {
  .sb__pane--tree { flex-basis: 200px; }
  .sb__pane--raw { flex-basis: 280px; }
}
@media (max-width: 820px) {
  .sb__panes {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(180px, auto);
  }
}

.sb__pane {
  background: var(--bg);
  border-right: 1px solid var(--line);
  padding: var(--s3);
  overflow: auto;
  min-width: 0;
  min-height: 0;
}
.sb__pane:last-child { border-right: 0; }
.sb__pane--tree {
  flex: 0 0 240px;
  background: var(--bg-raised);
}
.sb__pane--inspector {
  flex: 1 1 auto;
}
.sb__pane--raw  {
  flex: 0 0 360px;
  background: var(--bg-inset, var(--bg));
}
.sb[data-map="hidden"] .sb__pane--tree,
.sb[data-workbench="hidden"] .sb__pane--raw {
  display: none !important;
}
.sb[data-map="hidden"] .gutter:first-of-type,
.sb[data-workbench="hidden"] .gutter:last-of-type {
  display: none !important;
}
.gutter {
  flex: 0 0 8px;
  background: var(--bg-raised);
  border-right: 1px solid var(--line);
  position: relative;
}
.gutter::after {
  content: '';
  position: absolute;
  top: 45%;
  left: 3px;
  width: 2px;
  height: 36px;
  border-left: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  opacity: 0.75;
}
.gutter.gutter-horizontal {
  cursor: col-resize;
}
.gutter:hover {
  background: var(--accent-soft);
}

.sb__pane-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s2);
  margin-bottom: var(--s3);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
}

.sb__pane-title {
  margin: 0 0 var(--s3);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
}
.sb__pane-head .sb__pane-title {
  margin: 0;
  padding-bottom: 0;
  border-bottom: 0;
}
.sb__pane-head-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sb__tool-tabs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}
.sb__tool-tabs button {
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--fg-dim);
  font: inherit;
  font-size: 0.7rem;
  padding: 3px 8px;
  cursor: pointer;
}
.sb__tool-tabs button:hover {
  color: var(--fg);
  background: var(--accent-soft);
}
.sb__tool-tabs button[aria-selected="true"] {
  color: var(--accent-bright);
  background: var(--accent-soft);
}
.sb__icon-btn {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg-dim);
  font: inherit;
  font-size: 0.7rem;
  padding: 5px 8px;
  cursor: pointer;
}
.sb__icon-btn:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__icon-btn[aria-pressed="true"] {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__icon-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.sb__icon-link {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg-dim);
  font: inherit;
  font-size: 0.7rem;
  padding: 5px 8px;
  cursor: pointer;
  text-decoration: none;
}
.sb__icon-link:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- left tree ---------- */
.sb__section { margin-bottom: var(--s3); }
.sb__section-title {
  margin: 0 0 var(--s2);
  font-size: 0.78rem;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.sb__count {
  background: var(--accent-soft);
  color: var(--accent-bright);
  border-radius: 10px;
  padding: 0 8px;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.sb__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sb__list li { display: block; }
.sb__list-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 4px 8px;
  color: var(--fg);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--font-mono, ui-monospace, monospace);
}
.sb__list-item:hover {
  background: var(--accent-soft);
  border-color: var(--line-strong);
}
.sb__list-item[aria-current="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-bright);
}
.sb__list-empty {
  color: var(--fg-muted);
  font-size: 0.78rem;
  padding: var(--s2);
  border: 1px dashed var(--line);
  border-radius: 3px;
  text-align: center;
}

.sb__section--placeholder summary {
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--fg-dim);
  padding: 2px 0;
}
.sb__placeholder {
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin: var(--s2) 0 0;
  padding: var(--s2);
  background: var(--bg);
  border-radius: 3px;
}

.sb__hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: var(--s3) 0;
}

/* ---------- center inspector ---------- */
.sb__inspector {
  min-height: 100px;
  height: 100%;
}
.sb__inspector-empty {
  color: var(--fg-dim);
  padding: var(--s4);
  border: 1px dashed var(--line);
  border-radius: 6px;
  text-align: center;
  font-size: 0.85rem;
}
.sb__workspace-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s3);
  margin-bottom: var(--s3);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
}
.sb__workspace-head .sb__pane-title {
  margin-bottom: 3px;
  padding-bottom: 0;
  border-bottom: 0;
}
.sb__current-uri {
  max-width: min(680px, 64vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg-dim);
  font: 0.74rem var(--font-mono, ui-monospace, monospace);
}
.sb__workspace-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.sb__context-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--bg);
  color: var(--accent-bright);
  font-size: 0.7rem;
}

.sb__dashboard {
  display: grid;
  gap: var(--s3);
}
.sb__workbench-status {
  display: grid;
  grid-template-columns: minmax(180px, 1.5fr) repeat(5, minmax(92px, 1fr));
  gap: var(--s2);
}
.sb__hero {
  min-height: 150px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s4);
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(42, 157, 143, 0.14), transparent 45%),
    var(--bg-raised);
}
.sb__hero h2 {
  margin: var(--s1) 0 0;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
  line-height: 1;
}
.sb__eyebrow {
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.sb__runtime-card {
  min-width: 150px;
  padding: var(--s3);
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--bg);
}
.sb__runtime-card code {
  display: inline-block;
  margin-top: 6px;
  color: var(--accent-bright);
  font-size: 0.68rem;
}
.sb__runtime-card span,
.sb__metric span,
.sb__flow span {
  display: block;
  color: var(--fg-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sb__runtime-card strong,
.sb__metric strong,
.sb__flow strong {
  display: block;
  margin-top: 4px;
  color: var(--fg);
}
.sb__metric-grid,
.sb__flow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s3);
}
.sb__metric,
.sb__flow,
.sb__landing-split {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg-raised);
}
.sb__metric {
  padding: var(--s3);
}
.sb__metric--button {
  color: var(--fg);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.sb__metric--button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__metric strong {
  font-size: 1.45rem;
  font-variant-numeric: tabular-nums;
}
.sb__workbench-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.15fr) minmax(260px, 1fr);
  gap: var(--s3);
}
.sb__workbench-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg-raised);
  padding: var(--s3);
}
.sb__workbench-panel h3 {
  margin: 0 0 var(--s2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.sb__workbench-panel--programs {
  grid-row: span 2;
}
.sb__program-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s2);
}
.sb__program-card {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto auto auto auto;
  gap: var(--s2);
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
  padding: var(--s3);
}
.sb__program-card:hover {
  border-color: var(--line-strong);
}
.sb__program-launch {
  min-width: 0;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: var(--s2);
  border: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  padding: 0;
  cursor: pointer;
}
.sb__program-launch:hover strong {
  color: var(--accent-bright);
}
.sb__program-launch span {
  width: 38px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--accent-bright);
  font-size: 0.68rem;
  font-weight: 800;
}
.sb__program-launch strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.82rem;
}
.sb__program-card p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.74rem;
  line-height: 1.35;
}
.sb__program-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
}
.sb__program-stats span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 5px;
  color: var(--fg-dim);
  font-size: 0.64rem;
  text-align: center;
  white-space: nowrap;
}
.sb__program-tags {
  min-height: 22px;
  display: flex;
  align-items: flex-start;
  gap: 4px;
  flex-wrap: wrap;
}
.sb__program-tags code {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 2px 5px;
  color: var(--accent-bright);
  font-size: 0.64rem;
}
.sb__program-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
}
.sb__program-actions .sb__icon-btn {
  text-decoration: none;
}
.sb__script-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s2);
}
.sb__boundary-grid {
  display: grid;
  gap: var(--s1);
}
.sb__boundary-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--s2);
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}
.sb__boundary-row:last-child {
  border-bottom: 0;
}
.sb__boundary-row span {
  color: var(--fg-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sb__boundary-row strong {
  min-width: 0;
  color: var(--fg);
  font-size: 0.74rem;
  font-weight: 500;
  line-height: 1.35;
}
.sb__recent-list {
  display: grid;
  gap: var(--s1);
}
.sb__pin-list {
  display: grid;
  gap: var(--s1);
}
.sb__snapshot-list {
  display: grid;
  gap: var(--s1);
}
.sb__pin-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s1);
}
.sb__pin-row .sb__workbench-row {
  min-width: 0;
}
.sb__pin-actions,
.sb__snapshot-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.sb__pin-tool {
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg-dim);
  font: 0.68rem var(--font-mono, ui-monospace, monospace);
  cursor: pointer;
}
.sb__pin-tool:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__pin-remove {
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg-dim);
  font: 0.9rem var(--font-mono, ui-monospace, monospace);
  cursor: pointer;
}
.sb__pin-remove:hover {
  color: #d4685c;
  border-color: #d4685c;
}
.sb__snapshot-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s2);
}
.sb__snapshot-row time {
  color: var(--fg-muted);
  font-size: 0.68rem;
  white-space: nowrap;
}
.sb__workbench-row {
  width: 100%;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--s2);
  align-items: center;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  padding: 5px 7px;
  cursor: pointer;
}
.sb__workbench-row:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__workbench-row span {
  color: var(--fg-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
}
.sb__workbench-row strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.78rem;
}
.sb__workbench-empty {
  padding: var(--s3);
  color: var(--fg-muted);
  border: 1px dashed var(--line);
  border-radius: 4px;
  text-align: center;
  font-size: 0.78rem;
}
.sb__palette-inline {
  margin-top: var(--s2);
  width: 100%;
}
.sb__flow {
  min-height: 96px;
  padding: var(--s3);
  color: var(--fg);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.sb__flow:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__flow:disabled {
  opacity: 0.5;
  cursor: wait;
}
.sb__landing-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s4);
  padding: var(--s4);
}
.sb__landing-split h3 {
  margin: 0 0 var(--s3);
  font-size: 0.86rem;
}
.sb__landing-actions {
  display: flex;
  gap: var(--s2);
  flex-wrap: wrap;
}
.sb__inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s2);
}
@media (max-width: 900px) {
  .sb__workbench-status,
  .sb__workbench-grid {
    grid-template-columns: 1fr 1fr;
  }
  .sb__metric-grid,
  .sb__flow-grid,
  .sb__landing-split {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .sb__workbench-status,
  .sb__workbench-grid,
  .sb__program-grid,
  .sb__program-stats,
  .sb__script-grid,
  .sb__hero,
  .sb__landing-split,
  .sb__metric-grid,
  .sb__flow-grid {
    grid-template-columns: 1fr;
  }
  .sb__hero {
    align-items: stretch;
    flex-direction: column;
  }
  .sb__inline-form {
    grid-template-columns: 1fr;
  }
}

.sb__side-by-side {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--s3);
  min-height: 100%;
}
.sb__side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sb__side-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: var(--s3);
  min-height: 0;
}
.sb__side-slot {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--s2);
  min-width: 0;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg-raised);
  padding: var(--s3);
  overflow: auto;
}
.sb__side-slot header {
  display: grid;
  gap: 3px;
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
}
.sb__side-slot strong {
  color: var(--fg);
  font-size: 0.82rem;
}
.sb__side-slot code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg-dim);
  font-size: 0.7rem;
}
@media (max-width: 900px) {
  .sb__side-grid {
    grid-template-columns: 1fr;
  }
}

.sb__app-host {
  display: grid;
  grid-template-rows: auto auto minmax(420px, 1fr);
  gap: var(--s3);
  min-height: 100%;
}
.sb__app-hostbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-raised);
}
.sb__app-title {
  font-size: 0.95rem;
  font-weight: 700;
}
.sb__app-meta {
  margin-top: 2px;
  color: var(--fg-dim);
  font-size: 0.78rem;
  line-height: 1.35;
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
}
.sb__app-meta code {
  color: var(--accent-bright);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.68rem;
}
.sb__app-manifest {
  margin: var(--s2) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px var(--s3);
}
.sb__app-manifest div {
  min-width: 0;
}
.sb__app-manifest dt {
  color: var(--fg-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sb__app-manifest dd {
  margin: 1px 0 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--fg-dim);
  font-size: 0.68rem;
  white-space: nowrap;
}
.sb__app-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
}
.sb__app-actions .sb__btn--small {
  width: auto;
  margin-bottom: 0;
  text-align: center;
}
.sb__app-console {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) minmax(180px, 0.9fr) minmax(180px, 0.9fr);
  gap: var(--s2);
}
.sb__app-console section {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-raised);
  padding: var(--s3);
}
.sb__app-console h3 {
  margin: 0 0 var(--s2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  color: var(--fg-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sb__app-console h3 span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--accent-bright);
  background: var(--bg);
  letter-spacing: 0;
}
.sb__app-console p {
  margin: 0 0 var(--s2);
  color: var(--fg-dim);
  font-size: 0.74rem;
  line-height: 1.35;
}
.sb__app-api-grid,
.sb__app-chip-row {
  display: grid;
  gap: 5px;
}
.sb__app-api-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) minmax(70px, 0.6fr);
  gap: 6px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 5px 7px;
  min-width: 0;
}
.sb__app-api-row[data-ok="true"] {
  border-color: rgba(98, 196, 122, 0.55);
}
.sb__app-api-row span {
  color: var(--fg-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
}
.sb__app-api-row[data-ok="true"] span {
  color: #8ee6a2;
}
.sb__app-api-row strong,
.sb__app-api-row code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.7rem;
}
.sb__app-api-row code {
  color: var(--fg-dim);
}
.sb__app-chip {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: 0.7rem;
  text-align: left;
  padding: 5px 7px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb__app-chip:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__app-empty {
  color: var(--fg-muted);
  font-size: 0.72rem;
}
.sb__app-frame {
  width: 100%;
  min-height: 520px;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}
.sb__app-migration {
  min-height: 360px;
  display: grid;
  align-content: start;
  gap: var(--s3);
  padding: var(--s4);
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg-dim);
}
.sb__app-migration strong {
  color: var(--fg);
  font-size: 0.95rem;
}
.sb__app-migration p {
  max-width: 72ch;
  margin: 0;
  line-height: 1.55;
}
.sb__app-migration dl {
  display: grid;
  gap: var(--s2);
  margin: 0;
}
.sb__app-migration dl > div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: var(--s3);
  align-items: baseline;
}
.sb__app-migration dt {
  color: var(--fg-muted);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}
.sb__app-migration dd {
  min-width: 0;
  margin: 0;
}
.sb__app-migration code {
  white-space: normal;
  word-break: break-word;
}
@media (max-width: 900px) {
  .sb__app-console {
    grid-template-columns: 1fr;
  }
}

.dregg-app-list {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
  font-size: 0.84rem;
}
.dregg-app-list__empty {
  color: var(--fg-muted);
  padding: var(--s2);
}
.dregg-app-list__card {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: var(--s2);
  background: var(--bg);
}
.dregg-app-list__card:hover {
  border-color: var(--line-strong);
}
.dregg-app-list__card.is-unported {
  background: var(--bg-raised);
  opacity: 0.86;
}
.dregg-app-list__name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  font-weight: 700;
}
.dregg-app-list__status {
  color: var(--fg-muted);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.08rem 0.32rem;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
}
.dregg-app-list__desc {
  color: var(--fg-dim);
  font-size: 0.73rem;
  line-height: 1.35;
  margin: 0.25rem 0 0.4rem;
}
.dregg-app-list__actions {
  display: flex;
  gap: var(--s2);
  flex-wrap: wrap;
  align-items: center;
}
.dregg-app-list__actions button,
.dregg-app-list__actions a {
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0.18rem 0.45rem;
  font: inherit;
  font-size: 0.7rem;
  text-decoration: none;
  cursor: pointer;
}
.dregg-app-list__actions button:hover,
.dregg-app-list__actions a:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dregg-app-list__actions button:disabled {
  cursor: not-allowed;
  color: var(--fg-muted);
  border-color: var(--line);
}
.dregg-app-list__legacy {
  color: var(--fg-muted);
  font-size: 0.7rem;
}

/* ---------- right raw json ---------- */
.sb__raw-filter {
  width: 100%;
  margin: 0 0 var(--s2);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg);
  font: 0.76rem var(--font-mono, ui-monospace, monospace);
  padding: 6px 8px;
}
.sb__raw-filter:focus {
  outline: none;
  border-color: var(--accent);
}
.sb__raw {
  margin: 0;
  font: 0.78rem/1.5 var(--font-mono, ui-monospace, monospace);
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-all;
}

.sb__console {
  display: grid;
  grid-template-rows: minmax(240px, 1fr) auto;
  gap: var(--s2);
  min-height: 360px;
  height: calc(100% - 40px);
}
.sb__console[hidden] {
  display: none;
}
.sb__console-output {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  padding: var(--s2);
  font: 0.78rem/1.5 var(--font-mono, ui-monospace, monospace);
}
.sb__console-line {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--fg-dim);
}
.sb__console-line--input,
.sb__console-line--cmd {
  color: var(--fg);
}
.sb__console-line--ok {
  color: var(--accent-bright);
}
.sb__console-line--err {
  color: #d4685c;
}
.sb__console-form {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--s2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--bg);
  padding: 6px 8px;
}
.sb__console-prompt {
  color: var(--accent-bright);
  font-weight: 700;
}
.sb__console-input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
}

.sb__activity {
  display: grid;
  grid-template-rows: auto minmax(240px, 1fr);
  gap: var(--s2);
  min-height: 360px;
  height: calc(100% - 40px);
}
.sb__activity[hidden] {
  display: none;
}
.sb__activity-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  color: var(--fg-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sb__activity-list {
  overflow: auto;
  display: grid;
  align-content: start;
  gap: var(--s2);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  padding: var(--s2);
}
.sb__activity-row {
  display: grid;
  gap: 3px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  padding: 7px 8px;
  cursor: pointer;
}
.sb__activity-row:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__activity-row span {
  color: var(--accent-bright);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sb__activity-row strong {
  font-size: 0.78rem;
}
.sb__activity-row code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--fg-dim);
  font-size: 0.68rem;
  white-space: nowrap;
}
.sb__activity-empty {
  padding: var(--s4);
  border: 1px dashed var(--line);
  border-radius: 4px;
  color: var(--fg-muted);
  text-align: center;
  font-size: 0.78rem;
}

.sb__palette {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: start center;
  padding: min(9vh, 72px) var(--s3) var(--s3);
  background: rgba(0, 0, 0, 0.42);
}
.sb__palette[hidden] {
  display: none;
}
.sb__palette-panel {
  width: min(720px, 100%);
  max-height: min(680px, 84vh);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--bg-raised);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}
.sb__palette-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s2);
  padding: var(--s3);
  border-bottom: 1px solid var(--line);
}
.sb__palette-input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--fg);
  font: 1rem var(--font-mono, ui-monospace, monospace);
}
.sb__palette-close {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg-dim);
  font: 1rem var(--font-mono, ui-monospace, monospace);
  cursor: pointer;
}
.sb__palette-close:hover {
  color: var(--fg);
  border-color: var(--accent);
}
.sb__palette-list {
  overflow: auto;
  padding: var(--s2);
}
.sb__palette-item {
  width: 100%;
  display: grid;
  gap: 2px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.sb__palette-item:hover,
.sb__palette-item[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.sb__palette-item-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  font-size: 0.86rem;
  font-weight: 700;
}
.sb__palette-item-main code {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--fg-muted);
  background: var(--bg);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
}
.sb__palette-item-detail {
  color: var(--fg-dim);
  font-size: 0.72rem;
}
.sb__palette-empty {
  padding: var(--s4);
  color: var(--fg-dim);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 4px;
}