.pdf-hoeren[hidden]{display:none!important}body.pdf-catalogue .toolbar,body.pdf-catalogue #instruction,body.pdf-catalogue #part-content,body.pdf-catalogue #result-bar,body.pdf-catalogue #btn-check{display:none!important}
.pdf-hoeren{margin:18px 0 55px}.pdf-intro{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:14px;background:#fff;border:1px solid #e7e1da;border-radius:20px;padding:20px}.pdf-intro h2{font-size:clamp(24px,4vw,34px);margin:7px 0;color:#171b20}.pdf-intro p{color:#777;line-height:1.8}.pdf-intro label{display:grid;gap:6px;color:#444;font-weight:700;flex:1;max-width:310px}.pdf-intro input{font:inherit;padding:12px 14px;border:1px solid #ddd;border-radius:12px;min-width:0}.pdf-warning{border:1px solid #eed9b0;background:#fff9e9;color:#755422;border-radius:12px;padding:12px 16px;line-height:1.8}.pdf-count{font-weight:800;color:#a62b3b}.pdf-topic-list{display:grid;gap:14px}.pdf-topic{background:#fff;border:1px solid #e9e2da;border-radius:17px;overflow:hidden}.pdf-topic summary{list-style:none;cursor:pointer;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px}.pdf-topic summary::-webkit-details-marker{display:none}.pdf-topic summary strong{font-size:19px;color:#171b20}.pdf-topic summary small{display:block;color:#a62b3b;font-weight:700;margin-top:4px}.pdf-topic summary .pdf-chevron{color:#be2c40;font-size:20px}.pdf-topic[open]{border-color:#d3b0b4;box-shadow:0 6px 24px #171b2010}.pdf-topic-body{padding:4px 14px 20px}.pdf-quiz-table{width:100%;border-collapse:collapse;direction:ltr;text-align:left;font-family:system-ui,sans-serif}.pdf-quiz-table th{background:#f5f3f0;color:#555;font-size:12px;padding:12px 7px}.pdf-quiz-table td{border-bottom:1px solid #eee;padding:13px 8px;vertical-align:middle}.pdf-quiz-table td:nth-child(1){width:30px}.pdf-quiz-table td:nth-child(2),.pdf-quiz-table td:nth-child(3){width:58px;text-align:center}.pdf-quiz-table input{accent-color:#c92c35;width:19px;height:19px}.pdf-quiz-table td:last-child{line-height:1.65;overflow-wrap:anywhere}.pdf-quiz-table tr.pdf-right{background:#e8f6eb}.pdf-quiz-table tr.pdf-wrong{background:#ffebed}.pdf-quiz-table tr.pdf-missing{background:#fff8e7}.pdf-answer{font-size:12px;font-weight:800;color:#9f2939;display:block;margin-top:5px}.pdf-topic-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:14px 0}.pdf-topic-actions button{border:0;background:#c92c35;color:white;border-radius:11px;padding:12px 16px;font:inherit;font-weight:800;cursor:pointer}.pdf-topic-actions .pdf-reset{background:#f0ece8;color:#171b20}.pdf-score{font-weight:800;font-size:17px}.pdf-source-note{color:#906b1e;background:#fff8e7;padding:10px;border-radius:9px}.pdf-empty{padding:30px;text-align:center;color:#777}
@media(max-width:600px){.pdf-intro{padding:15px}.pdf-intro label{max-width:100%}.pdf-topic summary{padding:15px}.pdf-topic-body{padding:4px 8px 16px}.pdf-quiz-table th,.pdf-quiz-table td{padding:10px 4px}.pdf-quiz-table td:nth-child(2),.pdf-quiz-table td:nth-child(3){width:46px}.pdf-quiz-table input{width:17px;height:17px}.pdf-quiz-table td:last-child{font-size:13px}}

.pdf-audio-wrap{margin:10px 0 18px;padding:14px;background:#f8f5ef;border:1px solid #e8ded0;border-radius:14px;direction:rtl}.pdf-audio-label{font-weight:700;margin-bottom:9px;color:#222}.pdf-audio-wrap audio{display:block;width:100%;height:44px;direction:ltr}

/* Fluorescent emphasis appears inside verified Richtig statements after checking. */
.pdf-fluorescent{background:#e5ff65;color:#172019;padding:0 2px;border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone;font-weight:800}


.pdf-back{min-height:48px;border:1px solid var(--line,#e8e5df);border-radius:12px;padding:12px 18px;background:#fff;color:var(--red,#c92c35);font-weight:700;margin-bottom:18px;scroll-margin-top:110px}.pdf-back:hover{border-color:var(--red,#c92c35)}.pdf-topic-open .pdf-topic{scroll-margin-top:110px}.pdf-audio-error{margin:12px 0 0;color:var(--red-dark,#a91d28);line-height:1.7}.pdf-topic[hidden]{display:none!important}.pdf-topic summary:focus-visible,.pdf-back:focus-visible{outline:3px solid var(--gold,#efb941);outline-offset:-3px}

.pdf-group{display:flex;flex-direction:column;gap:9px;width:100%;text-align:start;padding:22px;background:#fff;border:1px solid var(--line,#e8e5df);border-radius:17px;color:var(--ink,#171b20);font:inherit;cursor:pointer}.pdf-group strong{font-size:19px}.pdf-group small{color:var(--red,#c92c35)}.pdf-group:hover{border-color:var(--red,#c92c35);background:#fffaf3}.pdf-group:focus-visible{outline:3px solid var(--gold,#efb941);outline-offset:2px}.pdf-exercise-title{margin:0 0 20px;line-height:1.6}#pdf-exercise{scroll-margin-top:110px}

.pdf-hoeren [hidden],#pdf-legacy-toggle[hidden]{display:none!important}