.mandarin-section>.section-top,.mandarin-section>.mandarin-intro{display:none}.mt-header{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:22px}.mt-header h2{margin:6px 0;font-size:clamp(29px,3vw,43px)}.mt-header p{margin:8px 0;color:#526e70}.mt-stats{font-size:13px;border:1px solid #d4e1d8;padding:15px 20px;border-radius:12px;background:#f0f5ed;white-space:nowrap}.mt-nav{display:flex;flex-wrap:wrap;gap:8px;padding:12px;background:#eaf0e6;border-radius:14px;margin-bottom:22px}.mt-nav button{border:0;padding:12px 17px;border-radius:9px;background:transparent;color:#526e70;font:inherit;font-size:14px}.mt-nav button[aria-selected=true]{background:#fffefa;color:#0e655f;font-weight:700;box-shadow:0 3px 10px #173d4210}.mt-panel{min-width:0}.mt-panel>h3{font-size:27px;margin:12px 0}.mt-toolbar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:18px 0}.mt-toolbar label{font-size:13px;display:flex;flex-direction:column;gap:6px;flex:1;min-width:160px}.mt-toolbar select,.mt-toolbar input{width:100%}.mt-toolbar>button{min-height:44px}.mt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mt-card{padding:22px;border:1px solid #d4e1d8;border-radius:15px;background:#fffefa;min-width:0}.mt-card h4{font-size:21px;margin:8px 0}.mt-card p{line-height:1.8;margin:8px 0}.mt-card .mt-hanzi{font-size:26px;color:#173d42;line-height:1.5}.mt-pinyin{color:#0e655f;font-size:15px}.mt-note{font-size:13px;color:#526e70;line-height:1.8}.mt-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.mt-actions button{font-size:13px}.mt-status{font-size:14px;line-height:1.8;white-space:pre-line;overflow-wrap:anywhere}.mt-split{display:grid;grid-template-columns:minmax(230px,.6fr) minmax(0,1.4fr);gap:24px;align-items:start}.mt-reading{padding:28px;border:1px solid #d4e1d8;border-radius:18px;background:#fffefa}.mt-reading h4{font-size:27px;margin:8px 0}.mt-line{margin:22px 0;border-bottom:1px solid #e4ebe2;padding-bottom:16px}.mt-line .mt-hanzi{font-size:24px;line-height:1.9}.mt-line p{margin:7px 0}.mt-choices{display:grid;gap:10px;margin:18px 0}.mt-choices button{text-align:left;justify-content:start;border-radius:10px}.mt-choices [aria-pressed=true]{border-color:#0e655f;background:#edf5e9}.mt-token{border:1px solid #adc8b8;border-radius:8px;padding:10px 16px;background:#fffefa;color:#173d42;font:inherit}.mt-tokens{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0;min-height:55px}.mt-answer{padding:15px;background:#edf4e9;border:1px dashed #a2c3ad;border-radius:12px;min-height:75px}.mt-score{font-size:40px;color:#0e655f}.mt-course-filter{padding:0 8px 15px}.mt-course-filter input,.mt-course-filter select{width:100%;margin:4px 0}.mandarin-lessons{max-height:530px;overflow:auto}.mt-tone-chart{width:100%;height:95px}.mt-charboard{position:relative;width:min(100%,360px);aspect-ratio:1;background:#fffefa;border:1px solid #cddccf;touch-action:none}.mt-charboard svg,.mt-charboard canvas{position:absolute;inset:0;width:100%;height:100%}.mt-charboard svg{pointer-events:none}.mt-writing-controls{max-width:540px}.mt-plan{white-space:pre-wrap;line-height:1.85;background:#f1f5ec;padding:20px;border-radius:12px}.mt-import{display:block;margin:18px 0}.mt-import input{display:block;margin:8px 0}.mt-wide{grid-column:1/-1}.mt-inline-label{display:flex;align-items:center;gap:8px;font-size:13px}.mt-inline-label input{width:auto}.mt-listen{padding:30px;border-radius:16px;background:#eaf2e7;text-align:center}.mt-listen .mt-hanzi{font-size:25px}.mt-path{background:#eaf2e8;padding:15px 20px;border-radius:12px;margin-bottom:15px;font-size:14px}.mandarin-dialogue{margin:20px 0}.mandarin-dialogue article{padding:15px;background:#f1f5ed;border-radius:12px;margin-bottom:10px}.mandarin-dialogue article>b{display:inline-block;margin-right:10px;color:#b58538}.mandarin-dialogue article>strong{font-size:19px}.mandarin-dialogue .mandarin-pinyin{display:block}.mt-resource a{color:#0e655f;text-decoration:underline}.mt-teacher-print{display:none}
@media(max-width:1000px){.mt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mt-split{grid-template-columns:1fr}.mt-header{align-items:start;flex-direction:column}.mt-stats{white-space:normal}.mt-nav button{padding:10px 13px}}
@media(max-width:540px){.mt-grid{grid-template-columns:1fr}.mt-nav{gap:3px;padding:8px}.mt-nav button{flex:1 0 22%;font-size:12px;padding:10px 5px}.mt-card,.mt-reading{padding:20px}.mt-line .mt-hanzi{font-size:21px}.mt-header h2{font-size:29px}.mandarin-lessons{max-height:220px}.mt-charboard{width:100%;max-width:360px}.mt-toolbar label{min-width:120px}.mt-actions button{flex-grow:1}}
@media print{body[data-print="teacher"] .site-header,body[data-print="teacher"] .site-footer,body[data-print="teacher"] main>*:not(#learn-chinese),body[data-print="teacher"] #learn-chinese>*:not(.mt-teacher-print){display:none!important}body[data-print="teacher"] #learn-chinese,body[data-print="teacher"] .mt-teacher-print{display:block!important}body[data-print="teacher"] .mt-teacher-print{white-space:pre-wrap;font-size:12pt;color:#000}body[data-print="teacher"] #learn-chinese{padding:0}.mt-nav,.mt-header{display:none!important}}
.mt-plan{max-height:420px;overflow:auto;font-size:14px;line-height:1.65}.mt-plan:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.mt-actions [aria-pressed=true]{background:#e0edda;border-color:#0e655f;color:#0e655f}@media(max-width:540px){.mt-plan{max-height:300px}}