.set-navigation{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.set-navigation a{min-width:44px;min-height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px}.set-navigation a[aria-current]{color:white;background:var(--green)}.set-create,.set-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.set-create label{min-width:160px}.set-actions{margin-bottom:24px}.set-actions form{margin:0}@media(max-width:600px){.set-create>*{width:100%}.set-navigation{gap:6px}.set-navigation a{min-width:44px}.set-actions>*{width:100%}}

.pdf-reader{margin:16px 0}.pdf-reader summary{cursor:pointer;font-weight:600;padding:12px 0}.pdf-reader iframe{display:block;width:100%;height:65vh;min-height:360px;border:1px solid var(--line);border-radius:8px;background:#f5f4ee}.source-reader .button{margin-top:12px}.source-reader{min-width:0}@media(max-width:600px){.pdf-reader iframe{height:55vh;min-height:320px}}

/* Reuse the paper/green palette; bring the next action close to the learner. */
.training-basic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0}
.training-basic label{margin:0;min-width:0}.training-basic select,.training-basic input{width:100%;min-width:0}
.training-more>summary{cursor:pointer;min-height:44px;padding:12px 0;color:var(--green);font-weight:600}
.training-more{margin-top:12px}.training-more .set-actions{margin-top:16px}
.resume-set{border-left:4px solid var(--green);background:#f0f3ea}.resume-set h2{margin:8px 0}
.set-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.set-top>*{min-height:44px;display:inline-flex;align-items:center}
.set-progress{display:flex;gap:18px;align-items:center;color:var(--muted);font-size:13px;margin:16px 0}
.set-progress progress{flex:1;min-width:0;max-width:260px;height:8px;accent-color:var(--green)}
.set-workspace{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;align-items:start}
.set-workspace>*{min-width:0}.set-answer{position:sticky;top:16px}
.set-answer h2{font-size:20px;margin-top:0}.answer-actions{display:flex;gap:10px;flex-wrap:wrap}.answer-actions>*{flex:1;white-space:nowrap}
.reading-return{display:inline-flex;align-items:center;min-height:44px;font-size:13px;margin:4px 8px 4px 0}
.source-choice{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.source-choice legend{grid-column:1/-1}.source-choice .choice-option{margin:0;min-height:52px;padding:10px 6px;justify-content:center;gap:6px}.source-choice input{flex-shrink:0}
.result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.result-stats strong{display:block;font-size:27px;color:var(--green)}.result-stats span{display:block;font-size:12px;color:var(--muted)}
.review-filters{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.review-filters a{display:inline-flex;min-height:44px;align-items:center;padding:8px 14px;border:1px solid var(--line);border-radius:24px;background:white}.review-filters a[aria-current]{background:var(--green);color:white}
.training-start .training-more{border-top:1px solid var(--line)}
.set-answer .reading-return{margin-left:18px}.set-answer .text-button{min-height:44px}
@media(max-width:800px){.set-workspace{grid-template-columns:1fr;gap:0}.set-answer{position:static}.training-basic{grid-template-columns:repeat(2,minmax(0,1fr))}.training-basic label:last-child:nth-child(odd){grid-column:1/-1}}
@media(max-width:580px){.training-start{padding:20px}.training-start h2{font-size:20px}.training-basic{gap:12px}.set-question{padding:16px}.set-question .pdf-reader iframe{height:60vh}.set-answer{padding:18px}.set-top{font-size:12px}.set-top .text-button{padding-right:0}.result-stats{gap:8px}.result-stats strong{font-size:24px}.review-filters{justify-content:flex-start}.review-filters a{min-width:0;padding:8px 12px;margin:0}.set-progress{margin:8px 0}.set-navigation{margin-top:8px}.source-choice .choice-option{min-height:54px}}