/* KopKen sources, 23 September 2026. Scoped additions to the existing identity. */
.sources-page{--source-blue:#2948e8;--source-paper:#f3ecd9;--source-ink:#171714}
.sources-page a:focus-visible,.sources-page summary:focus-visible{outline:3px solid var(--source-blue);outline-offset:5px}
.reading-section{padding:3.8rem 5vw 4rem;border-bottom:2px solid var(--source-ink);background:#fffaf0}
.reading-section .source-heading>p{max-width:25rem}
.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.3rem}
.reading-card{display:flex;flex-direction:column;align-items:flex-start;padding:1.8rem;background:var(--source-paper);border:2px solid var(--source-ink);min-width:0}
.reading-number{font-family:Georgia,serif;font-size:1rem;color:#923623}
.reading-card h3{font-size:clamp(1.5rem,2.2vw,2.2rem);line-height:1.1;letter-spacing:-.04em;margin:2rem 0 1rem}
.reading-card p{font-family:Georgia,serif;font-size:1.03rem;line-height:1.6;margin:0 0 1.5rem}
.reading-card .text-link{margin-top:auto;line-height:1.5}
.source-routes a{flex:1 1 0;line-height:1.4;min-width:0}
.source-routes a+a{border-left:2px solid var(--source-ink)}
.reading-active{border-left:5px solid var(--source-blue);padding:1.5rem 1.8rem;margin:0 0 1.5rem;background:#fffaf0}
.reading-active .eyebrow{margin:0 0 .8rem}
.reading-active h3,.reading-next h3{font-size:clamp(1.6rem,2.5vw,2.5rem);letter-spacing:-.04em;margin:.5rem 0 1rem;line-height:1.1}
.reading-active p,.reading-next p{max-width:75ch;line-height:1.65}
.reading-active a{text-decoration:underline;text-underline-offset:4px}
.catalogue-note{font-size:.8rem;line-height:1.55;max-width:80ch;color:#49483f;margin:1rem 0 1.5rem}
.reading-step{font-size:.75rem;line-height:1.5;font-weight:800;background:#f4d44e;padding:.75rem;margin:-1.5rem -1.5rem 1.25rem;border-bottom:2px solid var(--source-ink)}
.source-version{font-size:.76rem;line-height:1.5;border-left:3px solid var(--source-blue);padding-left:.6rem;margin:0 0 1rem}
.source-reading-info{display:flex;gap:.45rem;flex-wrap:wrap;margin:0 0 1.1rem;font-size:.7rem;line-height:1.5;font-weight:700}
.source-reading-info span{border:1px solid #c3baa6;padding:.25rem .45rem;background:#f3ecd9}
.source-access-note{font-size:.8rem;color:#49483f}
.source-extra{font-size:.85rem;text-decoration:underline;line-height:1.6;margin-top:.9rem;font-weight:700;text-underline-offset:3px}
.source-details ul{padding-left:1.1rem}
.source-details li+li{margin-top:.5rem}
.reading-next{background:#f4d44e;border:2px solid var(--source-ink);padding:1.8rem 2rem;margin:1.6rem 0}
.reading-next .eyebrow{margin-bottom:1rem}
.own-publications{display:grid;grid-template-columns:1.1fr 1fr;gap:2rem;border-top:2px solid var(--source-ink);border-bottom:2px solid var(--source-ink);margin:3.5rem 0 0;padding:2rem 0}
.own-publications .eyebrow{margin-bottom:1rem}
.own-publications h3{font-family:Georgia,serif;font-weight:400;font-size:clamp(1.6rem,2.6vw,2.5rem);line-height:1.15;letter-spacing:-.03em;margin:0 0 1rem}
.own-publications p{max-width:50ch;line-height:1.6;font-size:.95rem}
.own-publications ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1.25rem}
.own-publications a{font-size:1.05rem;font-weight:800;text-decoration:underline;text-underline-offset:4px}
.own-publications li span{display:block;font-size:.8rem;line-height:1.5;margin-top:.35rem}
.source-method{margin-top:1.5rem;border-top:0}
@media(max-width:1100px){.source-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.source-routes a{flex-basis:auto}.source-routes a:nth-child(3){border-left:2px solid var(--source-ink);border-top:0}.source-routes a:nth-child(4){border-left:0}.source-routes a:nth-child(n+4){border-top:2px solid var(--source-ink)}}
@media(max-width:760px){.reading-grid{grid-template-columns:1fr}.reading-card{padding:1.5rem}.reading-card h3{margin:1rem 0 .75rem}.reading-section{padding:2.5rem 5vw}.own-publications{grid-template-columns:1fr}.source-routes{grid-template-columns:repeat(2,minmax(0,1fr))}.source-routes a:nth-child(3){border-left:0;border-top:2px solid var(--source-ink)}.source-routes a:nth-child(4){border-left:2px solid var(--source-ink)}.source-routes a:nth-child(5){grid-column:1/-1;border-left:0}.reading-active,.reading-next{padding:1.2rem}.source-reading-info{font-size:.75rem}}
@media print{.site-header,.source-filters,.source-pagination,.reading-section,.source-actions,.source-note{display:none}.source-hero{display:block;padding:1rem}.source-hero h1{font-size:2rem}.source-catalogue{padding:1rem}.source-grid{display:block}.source-card{break-inside:avoid;margin-bottom:1rem}.sources-page .site-footer{display:none}}