/**
 * Shared workspace chrome — math / science / writing / source / language / portfolio / diagnostic.
 * Engines stay internally routed; chrome never names them.
 */

.cg-ws-bar,
.cg-solve-app__bar,
.cg-science-app__bar,
.cg-write-app__bar,
.cg-source-app__bar,
.cg-lang-app__bar,
.cg-pf-app__bar,
.cg-diag__header,
.cg-int__header {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 0 20px;
  background: var(--surface-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.cg-ws-back,
.cg-solve-app__back,
.cg-science-app__back,
.cg-write-app__back,
.cg-source-app__back,
.cg-lang-app__back,
.cg-pf-app__back {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
}
.cg-ws-back:hover,
.cg-solve-app__back:hover,
.cg-science-app__back:hover,
.cg-write-app__back:hover,
.cg-source-app__back:hover,
.cg-lang-app__back:hover,
.cg-pf-app__back:hover {
  color: var(--text-primary);
}

.cg-ws-brand,
.cg-solve-app__brand,
.cg-science-app__brand,
.cg-write-app__brand,
.cg-source-app__brand,
.cg-lang-app__brand,
.cg-pf-app__brand,
.cg-diag__brand,
.cg-int__brand {
  font-weight: 650;
  font-size: var(--font-base);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.cg-ws-meta,
.cg-solve-app__meta,
.cg-science-app__meta,
.cg-write-app__meta,
.cg-source-app__meta,
.cg-lang-app__meta,
.cg-pf-app__meta {
  margin-left: auto;
  font-size: var(--font-xs);
  color: var(--text-tertiary);
}

.cg-course-switcher {
  position: relative;
}
.cg-course-switcher__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
  background: var(--surface-primary);
  font-size: var(--font-sm);
  font-weight: 550;
}

.cg-complete-panel {
  max-width: 440px;
  margin: 48px auto;
  padding: 32px 24px;
  text-align: center;
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card-lg);
}
.cg-complete-panel h2 { margin: 0 0 8px; font-size: var(--font-xl); font-weight: 650; }
.cg-complete-panel p { margin: 0 0 20px; color: var(--text-secondary); max-width: 460px; }

.cg-mastery-gate {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}
.cg-mastery-gate h3 { margin: 0 0 6px; font-size: var(--font-lg); font-weight: 650; }
.cg-mastery-gate p { margin: 0 0 16px; color: var(--text-secondary); }

.cg-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-control);
  background: var(--ai-soft);
  border: 1px solid rgba(128, 104, 245, 0.18);
  font-size: var(--font-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.cg-diff-del {
  background: var(--danger-soft);
  text-decoration: line-through;
  color: inherit;
}
.cg-diff-ins {
  background: var(--success-soft);
}

.cg-hl-claim { background: rgba(91, 92, 226, 0.10); }
.cg-hl-evidence { background: rgba(76, 125, 231, 0.10); }
.cg-hl-reasoning { background: rgba(91, 92, 226, 0.06); }
.cg-hl-evaluation { background: rgba(230, 154, 43, 0.12); }

.cg-step {
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid transparent;
}
.cg-step--issue {
  background: var(--warning-soft);
  border-left: 3px solid var(--warning);
}
.cg-step--ok { }
.cg-step__label {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--warning);
  margin-bottom: 4px;
}

.cg-graph,
.graph-container {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
}

.cg-data-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
.cg-data-table th {
  background: var(--surface-secondary);
  font-size: var(--font-sm);
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
}
.cg-data-table td {
  height: 48px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.cg-data-table .unit { color: var(--text-secondary); font-size: var(--font-sm); }

.cg-provenance {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-badge);
  font-size: 11px;
  font-weight: 550;
  background: var(--surface-secondary);
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .cg-ws-split,
  .cg-solve-layout,
  .cg-science-layout,
  .cg-write-layout,
  .cg-source-layout {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  body.cg-solve-body,
  body.cg-science-body,
  body.cg-write-body,
  body.cg-source-body,
  body.cg-lang-body,
  body.cg-pf-body,
  body.cg-diag-body,
  body.cg-int-body {
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}