/* Study mode reading workspace. */
.fe-learning-app__study-layout { align-items: start; display: grid; gap: 18px; grid-template-columns: 245px minmax(0, 720px) 250px; justify-content: center; margin: 0 auto; max-width: 1250px; }
.fe-learning-app__study-nav,
.fe-learning-app__study-aside { align-self: start; position: sticky; top: 16px; }
.fe-learning-app__study-nav { background: var(--fe-learning-surface); border: 1px solid var(--fe-learning-border); border-radius: 14px; box-shadow: var(--fe-learning-shadow-soft); padding: 14px; }
.fe-learning-app__study-nav-head { align-items: center; display: flex; justify-content: space-between; }
.fe-learning-app__study-nav h3 { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.fe-learning-app__study-nav-toggle { background: transparent; border: 0; color: var(--fe-learning-orange-dark); cursor: pointer; display: none; min-height: 44px; padding: 7px; }
.fe-learning-app__section-list { display: grid; gap: 7px; list-style: none; margin: 10px 0 0; padding: 0; }
.fe-learning-app__section-list button { align-items: center; background: transparent; border: 1px solid transparent; border-radius: 9px; color: var(--fe-learning-muted); cursor: pointer; display: flex; font-size: .78rem; font-weight: 700; gap: 7px; justify-content: space-between; min-height: 44px; padding: 8px 9px; text-align: left; width: 100%; }
.fe-learning-app__section-list button:hover { background: var(--fe-learning-surface-soft); color: var(--fe-learning-navy); }
.fe-learning-app__section-list button.is-current { background: var(--fe-learning-orange-soft); border-color: #efbd9f; color: #73300a; }
.fe-learning-app__section-check-badge { background: #fff; border-radius: 999px; color: var(--fe-learning-orange-dark); flex: 0 0 auto; font-size: .62rem; padding: 2px 6px; }
.fe-learning-app__study-main { display: grid; gap: 12px; min-width: 0; }
.fe-learning-app__study-intro,
.fe-learning-app__study-about,
.fe-learning-app__self-check-navigation { background: var(--fe-learning-surface); border: 1px solid var(--fe-learning-border); border-radius: 11px; padding: 11px 13px; }
.fe-learning-app__study-intro { color: var(--fe-learning-muted); font-size: .78rem; }
.fe-learning-app__study-intro-row { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; }
.fe-learning-app__study-intro strong { color: var(--fe-learning-navy); }
.fe-learning-app__study-about { color: var(--fe-learning-muted); font-size: .84rem; }
.fe-learning-app__study-about summary { color: var(--fe-learning-navy); cursor: pointer; font-weight: 800; min-height: 28px; }
.fe-learning-app__self-check-navigation { align-items: center; display: flex; flex-wrap: wrap; gap: 8px 12px; }
.fe-learning-app__self-check-navigation span { color: var(--fe-learning-muted); flex: 1 1 220px; font-size: .78rem; }
.fe-learning-app__study-card { background: var(--fe-learning-surface); border: 1px solid var(--fe-learning-border); border-radius: 16px; box-shadow: var(--fe-learning-shadow); color: var(--fe-learning-text); font-size: 1rem; line-height: 1.72; max-width: 75ch; padding: clamp(20px, 3vw, 30px); }
.fe-learning-app__study-card h2 { font-size: clamp(1.55rem, 3vw, 2.05rem); margin-bottom: 14px; }
.fe-learning-app__study-card-label { color: var(--fe-learning-orange); font-size: .68rem; font-weight: 850; letter-spacing: .09em; margin-bottom: 7px; text-transform: uppercase; }
.fe-learning-app__study-card p,
.fe-learning-app__study-card li,
.fe-learning-app__study-definitions { max-width: 73ch; }
.fe-learning-app__study-list { display: grid; gap: 7px; list-style: none; margin: 12px 0; padding: 0; }
.fe-learning-app__study-list li { background: var(--fe-learning-surface-soft); border-radius: 9px; padding: 9px 11px 9px 28px; position: relative; }
.fe-learning-app__study-list li::before { background: var(--fe-learning-orange); border-radius: 50%; content: ""; height: 6px; left: 12px; position: absolute; top: 1.05em; width: 6px; }
.fe-learning-app__study-definitions { display: grid; gap: 8px; margin: 12px 0; }
.fe-learning-app__study-definitions div { background: var(--fe-learning-surface-soft); border-radius: 9px; padding: 10px 12px; }
.fe-learning-app__study-definitions dt { color: var(--fe-learning-orange-dark); font-size: .72rem; font-weight: 850; text-transform: uppercase; }
.fe-learning-app__study-definitions dd { margin: 3px 0 0; }
.fe-learning-app__lesson-block,
.fe-learning-app__note-box { border: 1px solid var(--fe-learning-border); border-left: 3px solid #66809e; border-radius: 10px; clear: both; margin-top: 13px; padding: 11px 13px; }
.fe-learning-app__lesson-block > strong,
.fe-learning-app__note-box > strong { color: var(--fe-learning-navy); display: block; font-size: .75rem; letter-spacing: .05em; margin-bottom: 6px; text-transform: uppercase; }
.fe-learning-app__lesson-block--clinical,
.fe-learning-app__note-box--clinical { background: var(--fe-learning-success-soft); border-left-color: var(--fe-learning-success); }
.fe-learning-app__lesson-block--remember,
.fe-learning-app__note-box--remember { background: var(--fe-learning-orange-soft); border-left-color: var(--fe-learning-orange); }
.fe-learning-app__lesson-block--self-check,
.fe-learning-app__note-box--self-check { background: #f6f3fa; border-left-color: #6f5891; }
.fe-learning-app__lesson-block--practice { background: var(--fe-learning-info-soft); }
.fe-learning-app__lesson-block--summary { background: var(--fe-learning-surface-soft); }
.fe-learning-app__study-text-compact { font-size: .86rem; line-height: 1.55; }
.fe-learning-app__study-aside { display: grid; gap: 12px; }
.fe-learning-app__study-meta,
.fe-learning-app__source-entities { padding: 14px; }
.fe-learning-app__study-meta h3,
.fe-learning-app__source-entities h3 { font-size: 1rem; }
.fe-learning-app__study-meta-note { background: var(--fe-learning-surface-soft); border-radius: 9px; margin-top: 10px; padding: 9px; }
.fe-learning-app__source-entity-grid { display: grid; gap: 7px; margin-top: 9px; }
.fe-learning-app__source-entity { background: var(--fe-learning-surface-soft); border-radius: 8px; display: grid; gap: 2px; padding: 8px 9px; }
.fe-learning-app__source-entity strong { color: var(--fe-learning-navy); font-size: .78rem; }
.fe-learning-app__source-entity span { color: var(--fe-learning-orange-dark); font-size: .65rem; font-weight: 750; text-transform: uppercase; }