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/* Original PDF source index, separate from authored exercises and scoring. */
.source-index{background:#fff;border:1px solid #dae3f4;border-radius:14px;padding:15px 17px;margin-bottom:18px}
.source-index summary{font-weight:800;cursor:pointer;font-size:15px;line-height:1.7;color:#233e88}
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.source-index-part a{color:#354fc2;font-weight:750}
.source-index-part small{color:#6a7793;display:block;font-size:11px}
.source-index-pdf{display:flex;gap:11px;flex-wrap:wrap;margin-top:11px;font-size:12px}
.source-index-pdf a{font-weight:800;color:#3d50ae}
.pdf-examples{border:1px solid #ccdff2;background:#f4f8ff;border-radius:10px;padding:14px;margin-bottom:14px;text-align:start}
.pdf-examples strong{color:#3151ae;font-size:14px}
.pdf-example{padding-top:9px}.pdf-example h3{margin:4px 0 9px;font-size:14px;line-height:1.6}
.pdf-example-choices{display:flex;gap:7px;flex-wrap:wrap;font-size:12px}
.pdf-example-choices span{background:white;border:1px solid #dfe6f2;padding:9px;border-radius:8px}
.pdf-example-choices .pdf-example-correct{background:#e5f8ed;border-color:#8cccae;color:#146b48;font-weight:800}