:root {
  --ink: #24180f;
  --paper: #f3ead7;
  --paper-deep: #ddcaa7;
  --gold: #c89b44;
  --gold-light: #ecd18c;
  --mahogany: #4a1f16;
  --mahogany-dark: #24100d;
  --mahogany-mid: #713324;
  --green: #173f35;
  --shadow: rgba(10, 4, 2, .58);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Trebuchet MS', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--mahogany-dark); color: var(--paper); scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; font-family: var(--serif); font-size: 18px; line-height: 1.65; background:
  radial-gradient(circle at 50% 2%, rgba(236, 209, 140, .18), transparent 34rem),
  repeating-linear-gradient(92deg, transparent 0 82px, rgba(255,255,255,.012) 83px, transparent 86px),
  linear-gradient(135deg, #2a110d, #4a2017 48%, #25100d); }
a { color: inherit; }
button, input { font: inherit; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--paper); color: var(--ink); padding: .6rem 1rem; z-index: 99; }
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: .85rem clamp(1rem, 4vw, 4rem); background: rgba(27, 10, 8, .94); border-bottom: 1px solid rgba(236,209,140,.35); box-shadow: 0 8px 28px rgba(0,0,0,.32); backdrop-filter: blur(10px); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 700; letter-spacing: .05em; }
.brand-mark { width: 2.35rem; height: 2.35rem; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50% 50% 46% 46%; color: var(--gold-light); font-size: 1.25rem; background: #35150f; box-shadow: inset 0 0 0 3px rgba(200,155,68,.1); }
.site-nav { display: flex; gap: .35rem; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a { padding: .4rem .75rem; text-decoration: none; color: #e8d8b6; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current='page'] { color: #fff4d3; border-color: var(--gold); }

.library-main { width: min(1200px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2rem, 5vw, 5rem) 0 4rem; }
.library-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 2rem; margin-bottom: 2.4rem; }
.eyebrow { margin: 0 0 .3rem; font-family: var(--sans); color: var(--gold-light); text-transform: uppercase; letter-spacing: .2em; font-size: .78rem; }
h1, h2, h3 { line-height: 1.1; text-wrap: balance; }
h1 { margin: 0; color: #fff6df; font-size: clamp(2.4rem, 6vw, 5.6rem); font-weight: 500; letter-spacing: -.035em; }
.library-heading p:last-child { max-width: 33rem; margin: 0; color: #ddcfb4; font-style: italic; }

.shelf-unit { position: relative; padding: 1.75rem clamp(.85rem, 2vw, 1.5rem) 2.25rem; border: clamp(.75rem, 2vw, 1.25rem) solid var(--mahogany-mid); border-radius: 5px; background:
  linear-gradient(90deg, rgba(0,0,0,.31), transparent 8%, transparent 92%, rgba(0,0,0,.34)),
  linear-gradient(#30150f, #1f0d0a); box-shadow: 0 22px 42px var(--shadow), inset 0 0 36px #100805; }
.shelf-unit::before, .shelf-unit::after { content: ''; position: absolute; left: -1.25rem; right: -1.25rem; height: .8rem; background: linear-gradient(#8a4430, #3e1912); border: 1px solid #a05b3e; box-shadow: 0 8px 11px rgba(0,0,0,.58); }
.shelf-unit::before { top: -1rem; }
.shelf-unit::after { bottom: -1rem; }
.shelf-label { position: absolute; left: 50%; bottom: -2rem; z-index: 3; transform: translateX(-50%); margin: 0; padding: .22rem 1.2rem; white-space: nowrap; font-family: var(--sans); font-size: .77rem; letter-spacing: .13em; text-transform: uppercase; color: #21140c; background: linear-gradient(#e8cb79, #a97829); border: 2px ridge #ebd28a; box-shadow: 0 4px 10px rgba(0,0,0,.55); }
.books { min-height: 330px; display: flex; align-items: end; gap: clamp(.35rem, 1vw, .7rem); overflow-x: auto; padding: 1.25rem .5rem .3rem; scrollbar-color: var(--gold) #21100c; }
.book { --book: #7b2f25; --book-dark: #3c1713; flex: 0 0 clamp(62px, 8vw, 92px); height: var(--h, 285px); position: relative; display: flex; align-items: center; justify-content: center; padding: .65rem .35rem; color: #faedc8; text-decoration: none; border-radius: 5px 3px 2px 4px; border: 1px solid rgba(255,230,174,.38); background:
  linear-gradient(90deg, rgba(255,255,255,.13), transparent 11%, transparent 84%, rgba(0,0,0,.3)),
  repeating-linear-gradient(0deg, transparent 0 32px, rgba(255,255,255,.035) 33px, transparent 35px),
  linear-gradient(100deg, var(--book), var(--book-dark)); box-shadow: 7px 4px 10px rgba(0,0,0,.55), inset 4px 0 0 rgba(255,255,255,.06); transform-origin: bottom center; transition: transform .18s ease, filter .18s ease; }
.book:hover, .book:focus-visible { transform: translateY(-12px) rotate(-1deg); filter: brightness(1.15); outline: 2px solid var(--gold-light); outline-offset: 3px; }
.book-title { writing-mode: vertical-rl; transform: rotate(180deg); text-align: center; font-size: clamp(.78rem, 1.2vw, 1rem); line-height: 1.15; letter-spacing: .035em; text-shadow: 0 1px 1px #1a0906; }
.book-author { position: absolute; bottom: .58rem; left: .25rem; right: .25rem; text-align: center; font-family: var(--sans); font-size: .56rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-light); border-top: 1px solid rgba(236,209,140,.5); padding-top: .2rem; }
.book.green { --book: #235b4d; --book-dark: #102d26; }
.book.blue { --book: #25425e; --book-dark: #132434; }
.book.ochre { --book: #9c6222; --book-dark: #52300e; }
.book.plum { --book: #56304f; --book-dark: #2b1728; }
.book.tall { --h: 315px; }
.book.short { --h: 246px; }
.book.thin { flex-basis: clamp(48px, 6vw, 68px); }
.book.book-pending { cursor: default; opacity: .72; }
.book.book-pending:hover { transform: none; filter: none; outline: none; }
.bookend { flex: 0 0 32px; height: 138px; border-radius: 2px 2px 0 0; background: linear-gradient(90deg, #b98a3a, #5f3914); box-shadow: 2px 3px 5px rgba(0,0,0,.5); }
.shelf-base { height: 22px; margin: 0 .3rem; background: linear-gradient(#9a4b33, #4b1e15); box-shadow: 0 7px 10px #090302; }

.quiet-rule { margin: 5rem auto 3rem; width: min(52rem, 90%); height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.principle { max-width: 850px; margin: 0 auto; text-align: center; }
.principle blockquote { margin: 0; color: #f9eac7; font-size: clamp(1.5rem, 3.1vw, 2.7rem); line-height: 1.35; }
.principle cite { display: block; margin-top: 1rem; color: #d2bc90; font-family: var(--sans); font-style: normal; font-size: .82rem; text-transform: uppercase; letter-spacing: .13em; }

.page-shell { width: min(1050px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2rem, 5vw, 4.5rem) 0; }
.page-title { max-width: 850px; margin-bottom: 2.4rem; }
.page-title h1 { font-size: clamp(2.2rem, 5vw, 4.7rem); }
.page-title .lede { max-width: 48rem; color: #d7c7aa; font-size: 1.1rem; }
.catalogue { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.catalogue-card { display: grid; grid-template-columns: 4.2rem 1fr; gap: 1rem; align-items: start; min-height: 8.5rem; padding: 1.1rem; text-decoration: none; color: var(--ink); background: linear-gradient(105deg, #f5eddc, #dec9a5); border: 1px solid #f4dc9e; box-shadow: 0 9px 18px rgba(0,0,0,.36); transition: transform .15s ease; }
.catalogue-card:hover, .catalogue-card:focus-visible { transform: translateY(-3px); outline: 2px solid var(--gold-light); outline-offset: 2px; }
.catalogue-card .number { display: grid; place-items: center; min-height: 4.6rem; color: #f8e9be; font-size: 1.25rem; background: var(--green); border: 1px solid #0d251f; }
.catalogue-card h2 { margin: .1rem 0 .45rem; font-size: 1.22rem; }
.catalogue-card p { margin: 0; color: #594939; font-size: .92rem; }
.catalogue-card.disabled { opacity: .72; cursor: default; }
.catalogue-card.disabled:hover { transform: none; outline: none; }

.search-panel { margin-bottom: 1.6rem; padding: 1rem; background: rgba(24,9,7,.66); border: 1px solid rgba(236,209,140,.25); }
.search-panel label { display: block; margin-bottom: .4rem; color: var(--gold-light); font-family: var(--sans); font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; }
.search-panel input { width: 100%; padding: .8rem 1rem; color: var(--ink); background: var(--paper); border: 2px solid var(--paper-deep); border-radius: 2px; }

.author-card { display: grid; grid-template-columns: 10rem 1fr; gap: 2rem; align-items: center; padding: clamp(1.2rem, 4vw, 2.5rem); color: var(--ink); background: linear-gradient(110deg, #f4ebd7, #d6bd91); box-shadow: 0 18px 40px rgba(0,0,0,.4); }
.monogram { width: 9rem; aspect-ratio: 1; display: grid; place-items: center; color: #f5e5bd; background: var(--green); border: 6px double var(--gold); border-radius: 50%; font-size: 2.6rem; }
.author-card h2 { margin: 0 0 .4rem; font-size: 2rem; }
.author-card p { margin: .35rem 0; }

.reading-room { width: min(760px, calc(100% - 2rem)); margin: 3rem auto; padding: clamp(1.4rem, 5vw, 4rem); color: var(--ink); background: linear-gradient(90deg, #e8d9bd, #f8f1e5 8%, #f8f1e5 92%, #e0cda9); box-shadow: 0 22px 50px rgba(0,0,0,.52); }
.reading-room .article-meta { color: #755c42; font-family: var(--sans); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; }
.reading-room h1 { color: var(--ink); font-size: clamp(2.2rem, 5vw, 4rem); }
.reading-room p { max-width: 66ch; }
.reading-room .article-kicker { margin: 0 0 .3rem; color: var(--mahogany); font-family: var(--sans); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .16em; }
.reading-room .article-subtitle { margin: .5rem 0 1rem; color: #614a35; font-size: 1.15rem; font-style: italic; }
.reading-room .byline { color: var(--mahogany); font-weight: 700; text-decoration-color: rgba(74,31,22,.38); text-underline-offset: .18em; }
.reading-room .article-body { margin-top: 3rem; }
.reading-room .article-body h2 { margin: 2.7rem 0 1.1rem; padding-bottom: .45rem; color: var(--mahogany); font-size: 1.35rem; border-bottom: 1px solid #c8ae81; }
.reading-room .article-body h3 { margin: 2rem 0 .8rem; color: #5e392b; font-size: 1.13rem; }
.reading-room .article-body li { margin: .42rem 0; }
.reading-room .article-body blockquote { margin: 1.7rem 0; padding: .35rem 0 .35rem 1.2rem; color: #4f3026; border-left: 3px solid #b68d49; font-size: 1.08rem; }
.reading-room .article-body blockquote p { margin: .45rem 0; }
.reading-room .opening { font-size: 1.2rem; }
.reading-room .opening::first-letter { float: left; margin: .1rem .12rem 0 0; color: var(--mahogany); font-size: 4.1rem; line-height: .78; }
.reading-room .reading-end { margin-top: 3.5rem; padding-top: 1.2rem; border-top: 1px solid #c8ae81; }
.reading-room .reading-end p { margin: 0 0 .8rem; color: #755c42; font-family: var(--sans); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; }
.reading-room .reading-doors { display: flex; flex-wrap: wrap; gap: .7rem; }
.reading-room .reading-doors a { padding: .55rem .8rem; color: var(--mahogany); background: rgba(200,155,68,.13); border: 1px solid #b99b66; font-family: var(--sans); font-size: .88rem; font-weight: 700; text-decoration: none; }
.reading-room .reading-doors a:hover, .reading-room .reading-doors a:focus-visible { background: rgba(200,155,68,.27); outline: 2px solid var(--mahogany); outline-offset: 2px; }
.back-link { display: inline-block; margin-top: 2rem; color: var(--mahogany); font-family: var(--sans); font-weight: 700; }
.page-end { margin-top: 4rem; padding-top: 1.2rem; border-top: 1px solid rgba(236,209,140,.38); }
.page-end p { margin: 0 0 .8rem; color: #cdb98f; font-family: var(--sans); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; }
.page-doors { display: flex; flex-wrap: wrap; gap: .7rem; }
.page-doors a { padding: .55rem .8rem; color: var(--gold-light); background: rgba(18,7,5,.32); border: 1px solid rgba(236,209,140,.48); font-family: var(--sans); font-size: .88rem; font-weight: 700; text-decoration: none; }
.page-doors a:hover, .page-doors a:focus-visible { color: #fff6df; background: rgba(200,155,68,.18); outline: 2px solid var(--gold-light); outline-offset: 2px; }

.site-footer { padding: 2.5rem 1rem; text-align: center; color: #bba888; border-top: 1px solid rgba(236,209,140,.2); background: #1b0a08; font-size: .88rem; }
.site-footer p { margin: .25rem 0; }

@media (max-width: 760px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; gap: .55rem; }
  .site-nav { justify-content: flex-start; }
  .site-nav a { padding-left: 0; margin-right: .85rem; }
  .library-heading { grid-template-columns: 1fr; align-items: start; }
  .books { min-height: 300px; }
  .catalogue { grid-template-columns: 1fr; }
  .author-card { grid-template-columns: 1fr; }
  .monogram { width: 7rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* Catalogue visibility and long article titles. */
[hidden] { display: none !important; }
h1, h2, .reading-doors a { overflow-wrap: anywhere; }
.sequence-nav { margin-bottom: 1rem; }