/* Plan Lesson only; shared taxonomy, draft and session renderers keep their owners. */
body.lesson-builder-practice .module-header p { color: var(--muted); font-size: 15px; line-height: 1.7; }
body.lesson-builder-practice .builder-navigation { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
body.lesson-builder-practice .builder-shell { grid-template-columns: minmax(0,1fr); gap: 24px; }
body.lesson-builder-practice .builder-panel,
body.lesson-builder-practice .builder-side { background: var(--practice-card); border-color: var(--border); border-radius: 16px; box-shadow: none; padding: 24px; min-width: 0; }
body.lesson-builder-practice .builder-side { position: static; scroll-margin-top: 96px; }
body.lesson-builder-practice .builder-side:focus-visible { outline: 2px solid var(--sky); outline-offset: 4px; }
body.lesson-builder-practice .builder-step { border-bottom-color: var(--border); margin-bottom: 28px; padding-bottom: 28px; }
body.lesson-builder-practice .step-kicker { color: var(--muted); font-size: 13px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; margin-bottom: 12px; }
body.lesson-builder-practice .builder-step h2,
body.lesson-builder-practice .builder-side h2 { color: var(--text); font-size: 24px; font-weight: 500; line-height: 1.5; margin-bottom: 12px; }
body.lesson-builder-practice .builder-step p,
body.lesson-builder-practice .builder-side p { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
body.lesson-builder-practice .choice-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
body.lesson-builder-practice .choice-card { min-width: 0; min-height: 96px; padding: 16px; border-color: var(--border2); border-radius: 12px; background: var(--bg); color: var(--muted); font-size: 14px; line-height: 1.7; text-align: start; overflow-wrap: anywhere; }
body.lesson-builder-practice .choice-card strong,
body.lesson-builder-practice #lessonModeGrid .choice-card strong { color: var(--text); font-family: 'DM Sans',sans-serif; font-size: 17px; font-weight: 500; line-height: 1.6; margin-bottom: 12px; }
body.lesson-builder-practice .choice-card:hover { border-color: var(--sky); background: var(--practice-accent-wash); }
body.lesson-builder-practice .choice-card.active,
body.lesson-builder-practice .choice-card.business.active { border-color: var(--sky); background: var(--practice-accent-wash); color: var(--muted); }
body.lesson-builder-practice .choice-card.active strong,
body.lesson-builder-practice #lessonModeGrid .choice-card.active strong { color: var(--sky); }
body.lesson-builder-practice .form-grid { grid-template-columns: minmax(0,2fr) minmax(72px,.75fr) minmax(130px,1.25fr); gap: 16px; }
body.lesson-builder-practice .form-grid label { min-width: 0; }
body.lesson-builder-practice .field-label { color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; margin-bottom: 10px; }
body.lesson-builder-practice .input,
body.lesson-builder-practice .select,
body.lesson-builder-practice .textarea { min-height: 52px; padding: 14px 16px; color: var(--text); background: var(--bg); border-color: var(--border2); border-radius: 12px; font-size: 17px; font-weight: 400; line-height: 1.6; }
body.lesson-builder-practice .select { appearance: auto; -webkit-appearance: auto; background-image: none; padding-inline-end: 12px; }
body.lesson-builder-practice .input:focus,
body.lesson-builder-practice .select:focus,
body.lesson-builder-practice .textarea:focus { border-color: var(--sky); }
body.lesson-builder-practice .input::placeholder,
body.lesson-builder-practice .textarea::placeholder { color: var(--muted); }
body.lesson-builder-practice .textarea { min-height: 140px; }
body.lesson-builder-practice .topic-results { gap: 12px; max-height: 340px; padding: 4px; scroll-padding-block: 8px; }
body.lesson-builder-practice .topic-result { min-height: 64px; padding: 16px; color: var(--muted); background: var(--bg); border-color: var(--border2); border-radius: 12px; text-align: start; overflow-wrap: anywhere; }
body.lesson-builder-practice .topic-result strong { color: var(--text); font-size: 16px; font-weight: 500; line-height: 1.6; margin-bottom: 8px; }
body.lesson-builder-practice .topic-result span { color: var(--muted); font-size: 13px; line-height: 1.7; }
body.lesson-builder-practice .topic-result.active { background: var(--practice-accent-wash); border-color: var(--sky); }
body.lesson-builder-practice .topic-result.active strong { color: var(--sky); }
body.lesson-builder-practice .builder-step .topic-status { color: var(--muted); font-size: 13px; line-height: 1.7; margin: 16px 0 0; }
body.lesson-builder-practice .topic-empty { background: var(--bg); border-color: var(--border2); font-size: 14px; line-height: 1.7; padding: 20px; }
body.lesson-builder-practice .activity-grid { gap: 12px; margin-bottom: 20px; }
body.lesson-builder-practice .activity-chip { min-height: 44px; max-width: 100%; padding: 10px 14px; color: var(--muted); background: var(--bg); border-color: var(--border2); border-radius: 12px; font-size: 14px; font-weight: 500; line-height: 1.6; overflow-wrap: anywhere; }
body.lesson-builder-practice .activity-chip.active { color: var(--sky); background: var(--practice-accent-wash); border-color: var(--sky); }
body.lesson-builder-practice .summary-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 24px 0; }
body.lesson-builder-practice .summary-item { min-width: 0; padding: 16px; background: var(--bg); border-color: var(--border); border-radius: 12px; }
body.lesson-builder-practice .summary-item span { color: var(--muted); font-size: 13px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; }
body.lesson-builder-practice .summary-item strong { color: var(--text); font-size: 17px; font-weight: 500; line-height: 1.7; margin-top: 10px; overflow-wrap: anywhere; }
body.lesson-builder-practice .builder-side .lesson-target-summary { color: var(--text); background: var(--practice-accent-wash); border: 1px solid var(--border); border-radius: 12px; padding: 16px; overflow-wrap: anywhere; }
body.lesson-builder-practice .builder-actions { gap: 12px; margin-top: 24px; }
body.lesson-builder-practice .btn { min-height: 48px; padding: 12px 16px; color: var(--muted); background: transparent; border-color: var(--border2); border-radius: 12px; font-size: 14px; font-weight: 500; line-height: 1.6; text-align: center; }
body.lesson-builder-practice .btn:hover { color: var(--text); background: var(--surface2); }
html[data-theme] body.lesson-builder-practice .btn.primary { color: var(--practice-on-accent) !important; background: var(--sky); border-color: var(--sky); font-weight: 600; }
html[data-theme] body.lesson-builder-practice .btn.primary:hover { background: var(--sky2); }
html[data-theme] body.lesson-builder-practice .btn:disabled,
body.lesson-builder-practice .btn[aria-disabled="true"],
body.lesson-builder-practice :is(.choice-card,.activity-chip,.topic-result):disabled { color: var(--muted) !important; background: var(--bg3); border-color: var(--border); opacity: 1; cursor: not-allowed; }
body.lesson-builder-practice .status { color: var(--muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
body.lesson-builder-practice .status.err { color: var(--coral); }
body.lesson-builder-practice .status.ok { color: var(--mint); }
@media (max-width: 860px) {
  body.lesson-builder-practice .builder-side { scroll-margin-top: 230px; }
}
@media (max-width: 700px) {
  body.lesson-builder-practice .builder-panel,
  body.lesson-builder-practice .builder-side { padding: 20px; }
  body.lesson-builder-practice .choice-grid,
  body.lesson-builder-practice .form-grid,
  body.lesson-builder-practice .summary-list { grid-template-columns: minmax(0,1fr); }
  body.lesson-builder-practice .builder-navigation .btn { flex: 1 1 180px; }
}