/* Shared reading and navigation refinements. Loaded after each page's base styles. */
:root { --ink-muted: #A1A1AE; --ink-dim: #A1A1AE; }
[hidden] { display: none !important; }
html { scroll-padding-top: 88px; }
section[id], article[id], #signal-feed, #themes { scroll-margin-top: 0; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, [tabindex="0"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip-link { position: fixed; top: 8px; left: 16px; z-index: 200; padding: 12px 18px; background: var(--ink); color: var(--bg); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
#siteHeader { padding: 10px 0; gap: 16px; background: rgba(11,11,15,.96); }
#siteHeader .monogram { font-size: 17px; flex-shrink: 0; white-space: nowrap; }
#siteHeader nav ul { display: flex; gap: 0; }
#siteHeader nav a { white-space: nowrap; display: inline-flex; align-items: center; padding: 10px 12px; min-height: 44px; font-size: 13px; }
.footer-meta { color: var(--ink-muted); }
.footer-meta .rss-link { display: inline-block; padding: 10px 0; color: var(--ink); }
.section-label, .eyebrow, .article-eyebrow, .article-meta, .writing-card-meta, .next-up-label, .end-mark, .fn-meta, .fn-feed-count { font-size: 12px; }
.hero { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); align-items: center; gap: 48px; padding: 32px 0 24px; }
h1.display { font-size: clamp(54px,6.5vw,96px); }
.hero .hero-tagline { font-size: 14px; margin-bottom: 20px; }
.hero .hero-lede { font-size: 19px; max-width: 630px; }
.hero .portrait { margin: 0; max-width: 380px; justify-self: end; }
.hero .portrait-meta { font-size: 11px; letter-spacing: .025em; }
.hero .portrait-meta .right { display: none; }
.hero-actions, .jump-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.action, .topic-pill, .load-more, .reset-feed { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px 18px; border: 1px solid var(--border-strong); border-radius: 8px; color: var(--ink); background: var(--surface); text-decoration: none; font: 500 14px/1.4 'Geist',sans-serif; cursor: pointer; }
.action:hover, .topic-pill:hover, .load-more:hover, .reset-feed:hover { border-color: var(--accent); }
.action.primary, .topic-pill.active { background: var(--accent); border-color: var(--accent); color: var(--bg); }
#writing { padding-top: 36px; }
.writing-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.writing-card { padding: 28px; }
.writing-card-title { font-size: clamp(24px,2.6vw,34px); }
.writing-card-meta { flex-wrap: wrap; gap: 10px; letter-spacing: .04em; }
.writing-card-excerpt { font-size: 16px; }
.author-filter { margin-bottom: 18px; }
.author-pill { color: var(--ink-soft); min-height: 44px; font-size: 12px; }
.filter-caption { font-size: 12px; color: var(--ink-muted); margin: 14px 0 8px; }
.topic-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-pill { border-radius: 100px; padding: 9px 15px; }
.result-count { color: var(--ink-muted); font-size: 13px; margin: 18px 0; }
.text-button { background: none; border: 0; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; min-height: 44px; }
.notebook-invite { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 32px; margin-bottom: 48px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); }
.notebook-invite .section-label { margin-bottom: 12px; }
.notebook-invite h2 { font-weight: 500; font-size: 28px; letter-spacing: -.035em; }
.notebook-invite p { color: var(--ink-soft); margin-top: 8px; }
.notebook-invite .action { flex-shrink: 0; }
.reading-next { padding: 28px 0; border-top: 1px solid var(--border-strong); }
.reading-next > a { display: block; color: var(--ink); font-size: 22px; line-height: 1.4; text-decoration: none; }
.reading-next > a:hover { color: var(--accent); }
.reading-next p { margin-top: 24px; color: var(--ink-muted); }
.reading-next p a { font: inherit; color: var(--ink-soft); display: inline-block; padding: 10px 0; margin: 0; }
.jump-links { margin: 24px 0; }
.feed-controls { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; margin-bottom: 16px; align-items: end; }
.feed-controls label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.feed-controls input { margin: 0; min-height: 44px; }
.feed-controls select { min-height: 44px; max-width: 100%; padding: 10px; background: var(--surface); border: 1px solid var(--border-strong); color: var(--ink); border-radius: 8px; font: inherit; }
.signal-list { list-style: none; }
.signal-entry { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.signal-entry:last-child { border-bottom: 0; }
.signal-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--ink-muted); font-size: 12px; margin-bottom: 8px; }
.signal-title { color: var(--ink); font-size: 17px; line-height: 1.5; font-weight: 500; text-decoration: none; overflow-wrap: anywhere; }
.signal-title:hover { color: var(--accent); text-decoration: underline; }
.signal-context { color: var(--ink-soft); font-size: 13px; margin: 8px 0 0; }
.signal-source { color: var(--ink-muted); font-size: 12px; margin-top: 8px; overflow-wrap: anywhere; }
.feed-actions { display: flex; gap: 12px; margin-top: 20px; }
.feed-empty { padding: 24px; color: var(--ink-soft); }
.writing-head { margin-bottom: 24px; }
.writing-head .section-label { margin-bottom: 12px; }
.writing-head h2 { font-size: 48px; }
.writing-filters { display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 20px; }
.writing-filters .author-filter { margin: 0; }
.writing-filters .filter-caption { margin: 0 0 8px; }
@media (max-width: 800px) {
 .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
 .hero .portrait { max-width: 240px; justify-self: start; }
 .hero .portrait-frame img { width: 100%; height: auto; }
 .writing-filters { grid-template-columns: 1fr; gap: 18px; }
 .writing-list { grid-template-columns: 1fr; }
 .notebook-invite { flex-direction: column; align-items: flex-start; padding: 24px; }
}
@media (max-width: 540px) {
 .wrap { padding-left: max(16px,env(safe-area-inset-left)); padding-right: max(16px,env(safe-area-inset-right)); }
 #siteHeader { gap: 8px; padding: 6px 0; }
 #siteHeader .monogram { font-size: 14px; gap: 5px; }
 #siteHeader .monogram .dot { width: 5px; height: 5px; }
 #siteHeader nav a { padding: 10px 7px; font-size: 12px; }
 .hero .eyebrow { font-size: 10px; letter-spacing: .05em; }
 .hero .hero-lede { font-size: 18px; }
 h1.display { font-size: clamp(48px,12.5vw,68px); }
 .writing-card { padding: 24px 20px; }
 .feed-controls { grid-template-columns: 1fr; }
 .signal-entry { padding: 18px; }
 .fn-card p { font-size: 16px; }
}
@media (max-width: 380px) {
 #siteHeader { flex-wrap: wrap; gap: 0; }
 #siteHeader nav { width: 100%; }
 #siteHeader nav ul { justify-content: space-between; }
 #siteHeader nav a { padding: 8px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto !important; }
 *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }