.academic-intro { margin-top: 8px; }
.academic-topic-shell { border: 1px solid var(--line); border-radius: 22px; background: #fff; padding: 28px; box-shadow: var(--shadow); }
.topic-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.topic-heading h2 { color: var(--navy); font-size: 27px; margin-bottom: 8px; }
.topic-source { margin: 18px 0 24px; }
.professor-prompt { color: var(--ink); line-height: 1.8; }
.source-context { display: grid; gap: 12px; }
.context-question { color: var(--navy); font-weight: 650; line-height: 1.65; }
.english-source { color: var(--ink); line-height: 1.78; }
.context-language-label { color: var(--cyan-dark); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.source-context.compact .peer-grid { grid-template-columns: 1fr; }
.source-context.compact .professor-prompt, .source-context.compact .peer-response { font-size: 13px; }
.peer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.peer-card { border: 1px solid #d8e7ea; background: #f9fcfd; border-radius: 13px; padding: 14px; min-width: 0; }
.peer-card p { margin: 8px 0 0; }
.peer-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.peer-stance { color: var(--cyan-dark); background: var(--mint); border-radius: 999px; padding: 3px 9px; font-size: 11px; }
.peer-response { font-size: 14px; color: var(--ink); line-height: 1.75; }
.context-translation { border-left: 3px solid var(--yellow); background: #fffdf3; border-radius: 0 8px 8px 0; color: #665b39; font-size: 12px; line-height: 1.75; margin: 4px 0 0; padding: 9px 11px; }
.context-translation-toggle { border-top: 0; margin-top: 0; padding-top: 0; }
.context-translation-toggle summary { color: var(--accent); font-size: 12px; }
.context-translation-body { border: 1px solid #f0e2a4; background: #fffdf3; border-radius: 10px; color: #665b39; font-size: 12px; line-height: 1.75; padding: 12px; }
.context-translation-body p:last-child { margin-bottom: 0; }
.context-keywords { display: flex; flex-wrap: wrap; gap: 7px; border: 1px solid #d8e7ea; background: #f6fbfc; border-radius: 10px; padding: 10px; }
.context-keywords > span { border-radius: 7px; background: #fff; color: var(--muted); font-size: 11px; padding: 5px 7px; }
.context-keywords > .meta { width: 100%; padding: 0; background: transparent; color: var(--cyan-dark); font-weight: 700; }
.context-keywords b { color: var(--navy); font-weight: 650; }
.route-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.route-card { border: 1px solid var(--line); border-radius: 17px; padding: 22px; display: flex; flex-direction: column; gap: 13px; position: relative; overflow: hidden; }
.route-card::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--teal); }
.route-card.route-yellow::before { background: var(--yellow); }
.route-card h3 { color: var(--navy); font-size: 17px; line-height: 1.65; font-weight: 600; }
.route-card button { margin-top: auto; align-self: flex-start; }
.ability-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ability-chips span { background: #eff7f8; color: #557487; border-radius: 7px; padding: 4px 8px; font-size: 11px; }
.next-stage { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; }
.next-stage p { margin: 0; }
.next-stage-title { color: var(--navy); font-weight: 650; }
.route-label { display: inline-block; width: fit-content; border-radius: 999px; padding: 6px 11px; font-size: 12px; font-weight: 650; color: #17645e; background: var(--mint); }
.route-label.route-yellow { color: #6d5300; background: #fff6c9; }
.route-label.compact { margin: 0 0 2px; padding: 4px 9px; }
.prompt-summary { border: 1px solid #dcebed; background: #f8fcfd; border-radius: 10px; padding: 10px 13px; color: var(--muted); font-size: 13px; }
.academic-mobile-context { margin-bottom: 4px; }
.academic-actions { position: sticky; bottom: 8px; z-index: 3; background: #ffffffed; border: 1px solid var(--line); border-radius: 13px; padding: 9px; box-shadow: 0 8px 24px #12356b15; backdrop-filter: blur(8px); }
.academic-actions .primary { margin-left: auto; }
.discussion-draft { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 17px; line-height: 1.95; margin: 0; }
.summary-route-switch { display: flex; gap: 7px; flex-wrap: wrap; margin: 20px 0 4px; }
.summary-route-switch button[aria-pressed="true"] { background: var(--mint); color: var(--cyan-dark); border-color: #99d5d5; }
.response-preview { margin-top: 10px; }
.step-label { display: grid; gap: 3px; min-width: 0; }
.step-label span { color: var(--ink); font-weight: 650; }
.step-label small { color: var(--muted); font-size: 11px; line-height: 1.5; }
.current-plan-step { border-left: 3px solid var(--teal); background: #f2fbfa; border-radius: 0 10px 10px 0; color: #286760; font-size: 13px; line-height: 1.7; margin: 10px 0 0; padding: 8px 11px; }
.route-plan-page { max-width: 940px; margin: 0 auto; }
.route-plan-page > .lead { max-width: 700px; }
.route-plan-context { margin: 20px 0; }
.route-idea, .reusable-framework, .training-sequence, .structure-review { border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); margin-top: 18px; padding: 24px; }
.route-idea { border-left: 5px solid var(--teal); }
.route-idea.route-yellow { border-left-color: var(--yellow); }
.route-idea h2, .reusable-framework h2, .training-sequence h2, .structure-review h2 { color: var(--navy); font-size: 22px; line-height: 1.55; }
.route-idea p:last-child, .reusable-framework p { line-height: 1.8; }
.reusable-framework { background: #f8fcfd; box-shadow: none; }
.route-map { border: 1px solid #d8e7ea; border-radius: 18px; background: #fff; margin-top: 18px; padding: 24px; }
.route-map h2 { color: var(--navy); font-size: 21px; }
.route-map-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; list-style: none; margin: 18px 0 0; padding: 0; }
.route-map-step { display: flex; gap: 10px; align-items: flex-start; border: 1px solid #d8e7ea; border-radius: 12px; background: #fbfefe; min-width: 0; padding: 13px; }
.route-map-number, .sequence-number { align-items: center; background: var(--mint); border-radius: 999px; color: var(--cyan-dark); display: inline-flex; flex: 0 0 auto; font-size: 12px; font-weight: 750; height: 28px; justify-content: center; width: 28px; }
.route-map-body { display: grid; gap: 4px; min-width: 0; }
.route-map-body strong { color: var(--navy); font-size: 13px; }
.route-map-body p { line-height: 1.65; margin: 0; }
.training-sequence { box-shadow: none; }
.sequence-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 17px; }
.sequence-item { border-top: 3px solid var(--teal); background: #f4fbfa; border-radius: 11px; display: grid; gap: 7px; min-width: 0; padding: 14px; }
.sequence-item:nth-child(2) { border-top-color: var(--yellow); background: #fffdf3; }
.sequence-item:nth-child(3) { border-top-color: var(--cyan); background: #f4faff; }
.sequence-item strong { color: var(--navy); }
.sequence-item p { line-height: 1.65; margin: 0; }
.transfer-preview { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 17px; }
.transfer-preview h3 { color: var(--navy); font-size: 16px; }
.transfer-preview-item { border-left: 3px solid var(--yellow); margin-top: 10px; padding: 3px 0 3px 11px; }
.transfer-preview-item p { margin: 4px 0; }
.route-plan-actions { margin: 22px 0 0; }
.route-plan-actions .primary { margin-left: 0; }
.structure-review { box-shadow: none; }
.structure-review .route-map { box-shadow: none; margin-bottom: 0; }
.route-map.compact { margin-top: 16px; padding: 18px; }
.route-map.compact .route-map-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media(max-width: 680px) {
  .academic-topic-shell { padding: 19px; border-radius: 17px; }
  .topic-heading { display: block; }
  .topic-heading .pill { display: inline-block; margin-top: 8px; }
  .topic-heading h2 { font-size: 22px; }
  .route-grid, .peer-grid { grid-template-columns: 1fr; }
  .route-card { padding: 18px; }
  .route-card button { align-self: stretch; }
  .next-stage { grid-template-columns: 1fr; gap: 8px; }
  .next-stage button { width: 100%; }
  .academic-workspace { gap: 10px; }
  .academic-exercise { padding: 18px; }
  .academic-exercise .sentence { font-size: 20px; line-height: 1.7; margin: 18px 0 12px; }
  .writing-track-nav-contextual { display: none; }
  .academic-actions { position: static; }
  .academic-actions button { flex: 1; min-width: 0; padding-inline: 9px; }
  .academic-actions .primary { margin: 0; }
  .peer-card { padding: 12px; }
  .prompt-summary { margin-bottom: 9px; }
  .summary-actions button { width: 100%; }
  .route-idea, .reusable-framework, .training-sequence, .structure-review, .route-map { border-radius: 15px; padding: 18px; }
  .route-idea h2, .reusable-framework h2, .training-sequence h2, .structure-review h2, .route-map h2 { font-size: 19px; }
  .route-map-steps, .sequence-list, .route-map.compact .route-map-steps { grid-template-columns: 1fr; }
  .route-map-step { padding: 12px; }
  .route-plan-actions .primary { width: 100%; }
}

/* First Academic002/004/006 catalog; shared navigation and legacy exercise styles retained. */
.family-directory{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:24px 0}
.family-directory [aria-pressed="true"]{background:var(--cyan-dark);color:white}
#academic-search{width:100%;max-width:720px;padding:12px 14px;font:inherit;border:1px solid var(--line);border-radius:10px;margin-bottom:18px}
.academic-topic-shell,.route-card{min-width:0;overflow-wrap:anywhere}
@media(max-width:640px){.family-directory{grid-template-columns:1fr 1fr}.route-grid{grid-template-columns:1fr}#academic-search{max-width:100%}}