/* Blog taxonomy only. Native GET controls work without JavaScript. */
.si-topics-form{margin:40px 0 32px}
.si-topics-form fieldset{border:0;padding:0;margin:0;min-width:0}
.si-topics-form legend{font-size:22px;font-weight:700;padding:0;margin-bottom:10px}
.si-topics-form .si-topic-hint{font-size:13px;color:var(--muted);max-width:90ch;margin:0 0 22px}
.si-topics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.si-topic-choice{position:relative;display:flex;gap:10px;align-items:center;min-height:62px;padding:12px 14px;background:#EAF2F2;border:1px solid transparent;cursor:pointer;font-size:13px;font-weight:600;line-height:1.4}
.si-topic-choice input{appearance:auto;accent-color:#0B4053;width:18px;height:18px;flex:0 0 18px;margin:0}
.si-topic-choice .si-topic-count{margin-left:auto;font-variant-numeric:tabular-nums;font-size:12px;flex-shrink:0;color:#365767}
.si-topic-choice:has(input:checked){background:#0B4053;color:#fff;border-color:#0B4053}
.si-topic-choice:has(input:checked) .si-topic-count{color:#D4ECEF}
.si-topic-choice:has(input:focus-visible){outline:3px solid #007E95;outline-offset:3px}
.si-topic-choice:hover{border-color:#6A99A4}
.si-topic-controls{display:flex;gap:16px;align-items:end;flex-wrap:wrap;margin-top:22px}
.si-topic-controls label{display:grid;gap:6px;font-size:12px}
.si-topic-controls select{min-height:48px;max-width:100%;padding:10px 36px 10px 14px;border:1px solid #8CA6AF;background:var(--paper);color:var(--ink);font:inherit;font-size:14px}
.si-topic-active{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:24px 0;font-size:12px}
.si-topic-active>a{display:inline-flex;gap:12px;align-items:center;min-height:40px;padding:8px 12px;background:#DCE8E9;text-decoration:none}
.si-topic-active a:hover{background:#C6DFE2}
.si-topic-tags{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0 0 20px;padding:0;list-style:none;font-size:11px;line-height:1.5}
.si-topic-tags a{color:#006779;text-underline-offset:3px;display:inline-block;padding:4px 0}
.si-topic-empty-note{font-weight:650}
.si-book-matches{margin:42px 0 56px;padding:30px;background:#EAF2F2}
.si-book-matches>h2{font-size:25px;margin:0 0 12px}
.si-book-matches>p{font-size:13px;color:var(--muted)}
.si-book-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.si-book-results>article{display:grid;grid-template-columns:145px minmax(0,1fr);gap:22px;align-items:start}
.si-book-results .si-book-preview{padding:0;background:none;aspect-ratio:2/3}
.si-book-results .nv-book-cover img{display:block;width:100%;height:100%;object-fit:contain}
.si-book-results h3{font-size:21px;line-height:1.25;margin:12px 0}
.si-book-results h3 a{text-decoration:none}
.si-book-results p{font-size:13px;color:var(--muted);line-height:1.55}
.si-book-results .meta{font-size:10px;letter-spacing:.06em;color:#006779}
.si-result-author{display:block;font-size:12px;color:var(--muted);margin:0 0 14px}
.si-related-books{display:flex;flex-direction:column;gap:8px;margin:0 0 20px;font-size:12px;line-height:1.45}
.si-related-books a{color:#006779;text-underline-offset:3px}
@media(max-width:1050px){.si-book-results{grid-template-columns:1fr}.si-topic-controls label{flex:1;min-width:220px}.si-topic-controls select{width:100%}}
@media(max-width:500px){.si-book-matches{padding:22px}.si-book-results>article{grid-template-columns:1fr}.si-book-results .si-book-preview{width:145px}.si-topic-controls label{min-width:0}.si-topic-controls select{font-size:13px}}
@media(max-width:1050px){.si-topics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:500px){.si-topic-choice{padding:12px 10px;gap:8px;font-size:12px;min-height:76px}.si-topic-controls{gap:12px}.si-topic-controls label{width:100%}.si-topic-controls select{width:100%}.si-topic-controls .si-button{flex:1;justify-content:center;font-size:13px;padding:12px}.si-topics-form{margin-top:30px}.si-topic-count{font-size:11px!important}}
@media(max-width:350px){.si-topics-grid{grid-template-columns:1fr}.si-topic-choice{min-height:52px}}