.tab-legend,.save-note{font-size:14px;color:#526887;line-height:1.6}
.starter-reading,.sentence-builder{margin:20px 0;line-height:1.65}.starter-reading h4,.sentence-builder h4{font-size:22px;margin:12px 0}.starter-reading .support-row{grid-template-columns:1fr}.starter-reading .support-row>div:first-child{display:none}.builder-options{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.builder-options button{min-height:44px}.builder-options button[aria-pressed=true]{background:#264e9d;color:white}
.pilot-overview{border:1px solid #c8dcf5;border-radius:16px;background:#f5f9ff;padding:16px 18px;margin:16px 0}
.pilot-overview summary,.parent-guide summary{cursor:pointer;font-weight:850;color:#254f98;line-height:1.5}
.pilot-overview p,.pilot-overview li,.lesson-result p,.lesson-result li,.guided-practice p{line-height:1.65}
.session-grid,.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0}
.session-grid article,.result-grid>div{background:white;border:1px solid #d7e3f2;border-radius:13px;padding:16px;min-width:0}
.session-grid p{margin:8px 0}.session-grid button{font-size:14px;padding:10px 12px;min-height:44px}
.parent-guide{margin-top:16px;border-top:1px solid #d7e3f2;padding-top:14px}
.support-switches{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:16px 0}.support-switches button{padding:9px 14px;min-height:44px;font-size:14px}.support-switches button[aria-pressed=true]{background:#dcecff;color:#1e4b8e}
.guided-practice{margin:24px 0;border-top:2px solid #d7e3f2;padding-top:12px}.guided-practice h4{font-size:22px;margin:10px 0}.practice-question{margin:16px 0;padding:16px;border:1px solid #d7e3f2;border-radius:15px}.practice-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.practice-options .choice{font-size:20px;min-height:90px;overflow-wrap:anywhere}.practice-feedback{min-height:26px;color:#25529b}.lesson-result h3{font-size:28px}.result-grid small{display:block;font-size:14px;line-height:1.6;color:#526887}.text-action{border:0;background:#e5efff;color:#254f98;border-radius:8px;padding:8px 12px;min-height:44px;margin:4px;font-size:14px}
.hide-pinyin .py,.hide-pinyin .support-py,.hide-pinyin .dialogue-py,.hide-pinyin .sentence-detail em,.hide-pinyin .character-card strong,.hide-pinyin .pilot-py{display:none!important}
.hide-english .english,.hide-english .support-en,.hide-english .sentence-detail>small,.hide-english .sentence-word small,.hide-english .character-card em,.hide-english .dialogue-line small,.hide-english .pilot-en{display:none!important}
button:focus-visible,summary:focus-visible{outline:3px solid #346cc2;outline-offset:3px}
@media(max-width:700px){.session-grid,.result-grid{grid-template-columns:1fr}.session-grid article{padding:14px}.practice-options{grid-template-columns:1fr}.practice-options .choice{min-height:64px}.practice-question{padding:12px}.pilot-overview{padding:14px}.action-row{flex-wrap:wrap}}