/* Explicit theme tokens and scoped specificity keep library text readable. */
html[data-theme] main .tn-sources{margin:24px 0;padding:clamp(18px,3vw,30px);border:1px solid var(--vt-line,#d8d2c7);border-radius:24px;background:var(--vt-panel,#fff)!important;color:var(--vt-ink,#17233e)!important}
html[data-theme] main .tn-sources :is(h1,h2,h3,p,label,summary,span){color:var(--vt-ink,#17233e)!important}
.tn-sources h1{font-size:clamp(30px,5vw,46px);line-height:1.2;margin:12px 0 18px}.tn-sources h2{font-size:clamp(27px,4vw,38px);line-height:1.2;margin:0 0 14px}.tn-sources h3{font-size:24px;line-height:1.35;margin:0 0 12px;overflow-wrap:anywhere}
.tn-sources p{line-height:1.8}.tn-sources-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:18px 0 28px}.tn-source-card{padding:24px;border:1px solid var(--vt-line,#d8d2c7);border-radius:16px;min-width:0;display:flex;flex-direction:column}.tn-source-authority{font-size:14px;font-weight:700}.tn-source-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:14px}
html[data-theme] main .tn-sources a{color:var(--vt-ink,#17233e)!important;text-decoration:underline;text-underline-offset:3px;font-weight:800;overflow-wrap:anywhere}
html[data-theme] main .tn-sources a.tn-pdf-action{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border-radius:12px;border:2px solid var(--vt-ink,#17233e);background:var(--vt-ink,#17233e)!important;color:var(--vt-panel,#fff)!important;text-decoration:none}
html[data-theme] main .tn-sources a.tn-pdf-action.secondary{background:var(--vt-panel,#fff)!important;color:var(--vt-ink,#17233e)!important}
.tn-sources a:focus-visible,.tn-sources summary:focus-visible,.tn-sources input:focus-visible{outline:3px solid var(--vt-ink,#17233e);outline-offset:4px}.tn-sources-nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px}.tn-sources summary{cursor:pointer;font-weight:700;padding:12px 0}.tn-source-details{margin:20px 0;border-top:1px solid var(--vt-line,#d8d2c7)}
.tn-act-search{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin:22px 0}.tn-act-search label{display:block;font-weight:700;margin-bottom:8px}.tn-act-search>div{flex:1 1 220px}.tn-act-search input{width:100%;box-sizing:border-box;padding:13px;border:1px solid var(--vt-ink,#17233e);border-radius:10px;font:inherit;background:var(--vt-panel,#fff)!important;color:var(--vt-ink,#17233e)!important}.tn-act-search button{min-height:46px;padding:12px 20px;border:2px solid var(--vt-ink,#17233e);border-radius:10px;background:var(--vt-ink,#17233e)!important;color:var(--vt-panel,#fff)!important;font:inherit;font-weight:800;cursor:pointer}
.tn-pdf-frame{display:block;width:100%;height:78vh;min-height:420px;margin-top:22px;border:1px solid var(--vt-line,#d8d2c7);border-radius:12px;background:#fff}
@media(max-width:720px){.tn-sources-grid{grid-template-columns:1fr}.tn-source-card{padding:20px}.tn-sources h3{font-size:23px}.tn-pdf-frame{height:65vh;min-height:350px}}