/* ─────────────────────────────────────────────────────────────
 * book-reader.css
 * Shared stylesheet for /chronicle, /peoples, /hollow — each rendered
 * as a two-page parchment spread in front of the Ironkeep library.
 * ───────────────────────────────────────────────────────────── */

:root {
  --void: #08060a;
  --ember: #c79341;
  --ember-warm: #d8a85a;
  --ember-pale: #f1d08f;
  --ink-dim: #9a8f78;
  --cream: #f4e6c4;

  --parch-0: #f1e3bf;
  --parch-1: #e5d2a3;
  --parch-2: #d6bc85;
  --parch-edge: #a98a52;
  --ink: #2e1f0b;
  --ink-body: #3d2c15;
  --ink-soft: #5a4728;
  --illum: #8a5a1f;
  --illum-deep: #6b4115;

  /* IM Fell English — 17th-century book type, used for body prose.
     Uncial Antiqua — insular uncial, used for chapter titles + numerals. */
  --font-book: "IM Fell English", "EB Garamond", Georgia, serif;
  --font-medieval: "Uncial Antiqua", "IM Fell English", Georgia, serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  min-height: 100%;
  min-height: 100dvh;
  background: var(--void);
  color: var(--cream);
  font-family: "Crimson Pro", Georgia, serif;
  font-weight: 400;
  font-size: 20px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
:focus-visible { outline: 2px solid var(--ember-warm); outline-offset: 4px; }
:focus:not(:focus-visible) { outline: none; }

/* ─────────── LIBRARY BACKDROP ─────────── */

.book-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-color: #0a0808;
  background-image: url("/art/site/ironkeep-library.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  filter: brightness(0.65) saturate(0.9);
}
.book-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 55%,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.35) 55%,
    rgba(0, 0, 0, 0.8) 100%);
}

/* ─────────── CORNER NAV ─────────── */

.threshold-link {
  position: fixed;
  top: 1.5rem;
  left: 1.75rem;
  z-index: 20;
  color: var(--ink-dim);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-style: italic;
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  padding: 0.6rem 0.6rem 0.6rem 0;
  transition: color 0.25s ease;
}
.threshold-link:hover { color: var(--ember-warm); }
.threshold-link::before { content: "◂ "; color: var(--ember); }

.banner-corner { position: fixed; top: 1.2rem; right: 1.5rem; z-index: 20; }
.banner-corner a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1rem 0.55rem 0.55rem;
  min-height: 48px;
  border: 1px solid rgba(154, 143, 120, 0.3);
  background: rgba(16, 10, 6, 0.7);
  color: var(--ink-dim);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  backdrop-filter: blur(3px);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.banner-corner a:hover,
.banner-corner a:focus-visible {
  color: var(--ember-warm);
  border-color: var(--ember-warm);
  background: rgba(30, 18, 10, 0.85);
}
.banner-corner .sigil {
  width: 28px; height: 28px; border-radius: 50%;
  background-image: url("/art/site/wax-seal-ironkeep.png");
  background-size: cover;
}
.banner-corner.logged-out .your-banner-link { display: none; }
.banner-corner.logged-in .take-banner-small { display: none; }

/* ─────────── READER STAGE ─────────── */

.reader-stage {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem 4.5rem;
  padding-top: calc(5rem + env(safe-area-inset-top));
  padding-bottom: calc(4.5rem + env(safe-area-inset-bottom));
}

/* ─────────── BOOK HEAD (title + eyebrow) ─────────── */

.book-head {
  text-align: center;
  max-width: 720px;
  margin-bottom: 1.6rem;
  opacity: 0;
  transform: translateY(6px);
  animation: book-reveal 0.9s ease-out 0.2s forwards;
}
.book-head .chapter-eyebrow {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ember);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}
.book-head .book-title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 500;
  letter-spacing: 0.32em;
  font-size: clamp(1.3rem, 2.1vw, 1.7rem);
  color: var(--ember-warm);
  text-transform: uppercase;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}
.book-head .book-title::before,
.book-head .book-title::after {
  content: "·";
  color: var(--ember);
  margin: 0 0.7em;
}

/* ─────────── THE BOOK ─────────── */

.book {
  position: relative;
  width: 100%;
  max-width: 1220px;
  aspect-ratio: 13 / 10;
  max-height: 88vh;
  opacity: 0;
  transform: scale(0.96);
  animation: book-open 0.85s cubic-bezier(0.22, 0.9, 0.32, 1.02) 0.4s forwards;
  perspective: 1800px;
}

@keyframes book-open {
  to { opacity: 1; transform: scale(1); }
}
@keyframes book-reveal {
  to { opacity: 1; transform: translateY(0); }
}

/* Leather spine between the two pages */
.book .spine {
  position: absolute;
  left: calc(50% - 3px);
  top: 0;
  bottom: 0;
  width: 6px;
  z-index: 5;
  background: linear-gradient(to right,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(27, 15, 6, 0.85) 50%,
    rgba(0, 0, 0, 0.55) 100%);
  box-shadow:
    inset 2px 0 6px rgba(0, 0, 0, 0.5),
    inset -2px 0 6px rgba(0, 0, 0, 0.5);
}

/* A spread = two facing pages. Only .current is visible. */
.spread {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.spread.current { opacity: 1; pointer-events: auto; }

/* ─────────── PAGE ─────────── */

.page {
  position: relative;
  padding: 2.2rem 2.4rem 2.8rem;
  background: radial-gradient(ellipse at 30% 20%,
    var(--parch-0) 0%,
    var(--parch-1) 45%,
    var(--parch-2) 85%,
    var(--parch-edge) 100%);
  color: var(--ink-body);
  font-family: var(--font-book);
  overflow-y: auto;
  overflow-x: hidden;
}
.page.page-left {
  grid-column: 1;
  padding-right: 2.8rem;
  box-shadow: inset 0 0 120px rgba(80, 50, 15, 0.22),
              inset -8px 0 24px rgba(0, 0, 0, 0.35);
}
.page.page-right {
  grid-column: 2;
  padding-left: 2.8rem;
  box-shadow: inset 0 0 120px rgba(80, 50, 15, 0.22),
              inset 8px 0 24px rgba(0, 0, 0, 0.35);
}

.page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='400'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.25  0 0 0 0 0.18  0 0 0 0 0.08  0 0 0 0.12 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 280px 280px;
  mix-blend-mode: multiply;
  opacity: 0.5;
}
.page::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 12%, rgba(100, 60, 20, 0.15) 0%, transparent 7%),
    radial-gradient(circle at 10% 88%, rgba(100, 60, 20, 0.11) 0%, transparent 9%),
    radial-gradient(circle at 70% 92%, rgba(120, 80, 40, 0.07) 0%, transparent 6%);
}
.page > * { position: relative; z-index: 1; }

.page { scrollbar-width: thin; scrollbar-color: rgba(107, 65, 21, 0.4) transparent; }
.page::-webkit-scrollbar { width: 6px; }
.page::-webkit-scrollbar-thumb { background: rgba(107, 65, 21, 0.3); border-radius: 3px; }

/* ─────────── PAGE TYPOGRAPHY ─────────── */

.page .roman-chapter {
  font-family: var(--font-medieval);
  font-weight: 400;
  font-size: clamp(1.8rem, 2.4vw, 2.2rem);
  color: var(--illum);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: 0.08em;
}
.page .chapter-title {
  font-family: var(--font-medieval);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.1vw, 1.95rem);
  color: var(--ink);
  line-height: 1.18;
  margin: 0 0 0.4rem;
  letter-spacing: 0.04em;
}
.page .epithet {
  font-family: var(--font-book);
  font-style: italic;
  font-size: clamp(0.98rem, 1.22vw, 1.08rem);
  color: var(--illum-deep);
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
}
.page .pull-quote {
  font-family: var(--font-book);
  font-style: italic;
  font-size: clamp(0.98rem, 1.28vw, 1.1rem);
  color: var(--ink);
  line-height: 1.5;
  border-left: 2px solid var(--illum);
  padding-left: 0.9rem;
  margin: 0.9rem 0;
}
.page .pull-quote .attribution {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: italic;
  letter-spacing: 0.02em;
}
.page .pull-quote .attribution::before { content: "— "; color: var(--illum); }

.page p {
  margin-bottom: 0.7rem;
  font-size: clamp(0.96rem, 1.2vw, 1.06rem);
  line-height: 1.55;
  color: var(--ink-body);
}
.page p:last-child { margin-bottom: 0; }
.page p.lead {
  font-size: clamp(1.04rem, 1.32vw, 1.14rem);
  color: var(--ink);
  line-height: 1.5;
}

.page .divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.4rem 0;
  color: var(--illum);
}
.page .divider::before,
.page .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--illum) 25%, var(--illum) 75%, transparent);
  opacity: 0.55;
}
.page .divider span { margin: 0 0.9rem; font-size: 1.2rem; line-height: 1; }

/* Full-width plate at top of a page — used sparingly on cover spreads. */
.page .plate {
  width: 100%;
  aspect-ratio: 3 / 2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(106, 73, 30, 0.25);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  margin-bottom: 1.2rem;
}

/* Spot illustrations — small illuminated miniatures inline with prose.
   `contain` so the full painting shows, never cropped. Parchment behind
   any empty margin so the image reads as inset. */
.page .spot {
  display: block;
  aspect-ratio: 3 / 2;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(0.95);
  /* Soft painterly shadow instead of a hard frame — the painted images
     already have their own gilt borders. */
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}
/* Centered plate in-flow, between paragraphs */
.page .spot.center {
  width: 72%;
  max-width: 320px;
  margin: 1rem auto;
}
/* Floated into the outer margin, wraps text on the inside edge */
.page .spot.float-right {
  float: right;
  width: 48%;
  max-width: 240px;
  margin: 0.1rem 0 0.8rem 1.1rem;
  shape-outside: inset(0);
}
.page .spot.float-left {
  float: left;
  width: 48%;
  max-width: 240px;
  margin: 0.1rem 1.1rem 0.8rem 0;
  shape-outside: inset(0);
}
/* Decorative banner stripe across the top of a page */
.page .spot.banner {
  width: 100%;
  aspect-ratio: 5 / 1.2;
  margin: 0 0 1rem;
}
/* Drop capital-sized square beside the first paragraph */
.page .spot.capital {
  float: left;
  width: 90px;
  height: 90px;
  aspect-ratio: 1 / 1;
  margin: 0.3rem 0.9rem 0.3rem 0;
  shape-outside: inset(0);
}

/* Square variant — for portrait plates */
.page .spot.square { aspect-ratio: 1 / 1; }

/* Named plates — add more as art lands */
.page .plate.the-sundering,
.page .spot.the-sundering   { background-image: url("/art/site/the-sundering.png"); }
.page .plate.ashenwaste,
.page .spot.ashenwaste      { background-image: url("/art/site/ashenwaste-horde.png"); }
.page .plate.seven-peoples,
.page .spot.seven-peoples   { background-image: url("/art/site/seven-peoples-banner.png"); }
.page .plate.ironkeep-atrium,
.page .spot.ironkeep-atrium { background-image: url("/art/site/ironkeep-atrium.png"); }
.page .spot.ferrum-scribe   { background-image: url("/art/site/ferrum-scribe.png"); }

/* People portraits */
.page .plate.highkin,     .page .spot.highkin     { background-image: url("/art/site/people-highkin.png"); }
.page .plate.stoneborn,   .page .spot.stoneborn   { background-image: url("/art/site/people-stoneborn.png"); }
.page .plate.warhost,     .page .spot.warhost     { background-image: url("/art/site/people-warhost.png"); }
.page .plate.men,         .page .spot.men         { background-image: url("/art/site/people-men.png"); }
.page .plate.wandersfolk, .page .spot.wandersfolk { background-image: url("/art/site/people-wandersfolk.png"); }
.page .plate.wyrmsworn,   .page .spot.wyrmsworn   { background-image: url("/art/site/people-wyrmsworn.png"); }
.page .plate.ferrum,      .page .spot.ferrum      { background-image: url("/art/site/people-ferrum.png"); }

/* A small eyebrow label for "In this Watch" kind of struggle text */
.page .struggle-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--illum-deep);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 1.2rem 0 0.4rem;
}

/* Race badge — small italic breadcrumb beneath epithet */
.page .race-badge {
  display: block;
  font-family: var(--font-book);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

/* ─────────── NAVIGATION ARROWS ─────────── */

/* Nav arrows — pure glyphs at the outer edges of the book, vertically
   centered. No circle chrome. They're affordance hints; primary nav is
   clicking the page itself. */
.book-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 54px;
  height: 54px;
  border: none;
  background: transparent;
  color: var(--ember-warm);
  font-family: var(--font-display);
  font-size: 3.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.4;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85), 0 0 4px rgba(0, 0, 0, 0.7);
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.book-nav:hover:not(:disabled),
.book-nav:focus-visible:not(:disabled) {
  opacity: 1;
  color: var(--ember-pale);
  transform: translateY(-50%) scale(1.12);
}
.book-nav:disabled { opacity: 0.08; cursor: default; }
.book-nav.prev { left: 0.35rem; }
.book-nav.next { right: 0.35rem; }

/* ─────────── FOOTER (counter + close) ─────────── */

/* Page number sits ON the right page, bottom-right, in the parchment. */
.page .page-number {
  position: absolute;
  bottom: 1.3rem;
  right: 2rem;
  font-family: var(--font-book);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-soft);
  opacity: 0.7;
  letter-spacing: 0.12em;
  z-index: 2;
  pointer-events: none;
}
.page .page-number strong {
  font-family: var(--font-medieval);
  font-weight: 400;
  font-style: normal;
  color: var(--illum-deep);
  letter-spacing: 0.06em;
  margin: 0 0.2em;
}

/* Click-to-turn — the whole left page = prev, whole right page = next.
   Pointer is default inside so text remains selectable. Only the outer
   margin shows a subtle pointer hint via cursor: pointer. */
.page.page-left  { cursor: w-resize; }
.page.page-right { cursor: e-resize; }
/* Links / buttons inside the page reset to normal pointer */
.page a, .page button { cursor: pointer; }

/* ─────────── PAGE-TURN ANIMATIONS ─────────── */

@keyframes spread-out-forward {
  0%   { opacity: 1; transform: translateX(0) skewX(0); }
  60%  { opacity: 0.25; transform: translateX(-4%) skewX(-2deg); }
  100% { opacity: 0; transform: translateX(-8%) skewX(-3deg); }
}
@keyframes spread-in-forward {
  0%   { opacity: 0; transform: translateX(8%) skewX(3deg); }
  40%  { opacity: 0.5; }
  100% { opacity: 1; transform: translateX(0) skewX(0); }
}
@keyframes spread-out-reverse {
  0%   { opacity: 1; transform: translateX(0) skewX(0); }
  60%  { opacity: 0.25; transform: translateX(4%) skewX(2deg); }
  100% { opacity: 0; transform: translateX(8%) skewX(3deg); }
}
@keyframes spread-in-reverse {
  0%   { opacity: 0; transform: translateX(-8%) skewX(-3deg); }
  40%  { opacity: 0.5; }
  100% { opacity: 1; transform: translateX(0) skewX(0); }
}

.spread.leaving-forward  { animation: spread-out-forward 0.52s ease-in both; opacity: 1; pointer-events: none; }
.spread.entering-forward { animation: spread-in-forward  0.52s ease-out both; opacity: 0; }
.spread.leaving-reverse  { animation: spread-out-reverse 0.52s ease-in both; opacity: 1; pointer-events: none; }
.spread.entering-reverse { animation: spread-in-reverse  0.52s ease-out both; opacity: 0; }

.book.turning .page { overflow: hidden; }

/* ─────────── REDUCED MOTION ─────────── */

@media (prefers-reduced-motion: reduce) {
  .book { animation: none; opacity: 1; transform: none; }
  .book-head, .book-foot { animation: none; opacity: 1; transform: none; }
  .spread.leaving-forward,
  .spread.leaving-reverse,
  .spread.entering-forward,
  .spread.entering-reverse {
    animation: fade-simple 0.25s linear both;
  }
  @keyframes fade-simple {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

/* ─────────── RESPONSIVE ─────────── */

@media (max-width: 1120px) and (min-width: 821px) {
  .page.page-left  { padding: 2.2rem 2rem 2.8rem 1.9rem; padding-right: 2.4rem; }
  .page.page-right { padding: 2.2rem 1.9rem 2.8rem 2rem; padding-left: 2.4rem; }
}

@media (max-width: 820px) {
  html, body { font-size: 17px; }
  .reader-stage { padding: 4.5rem 0.6rem 3.5rem; }
  .book-head { margin-bottom: 1rem; padding: 0 0.5rem; }

  .book {
    aspect-ratio: auto;
    max-height: none;
    min-height: 62dvh;
    max-width: 560px;
  }
  .book .spine { display: none; }

  .spread {
    display: block;
    grid-template-columns: 1fr;
  }
  /* On mobile only ONE page is shown at a time — the one marked
     `.mobile-current`. Book-reader.js sets this class; swipe / taps
     flip L→R within a spread, then into the next spread. */
  .spread .page {
    display: none;
    grid-column: auto;
    padding: 2rem 1.4rem;
    box-shadow: inset 0 0 80px rgba(80, 50, 15, 0.2);
  }
  .spread.current .page.mobile-current {
    display: block;
  }

  .book-nav { width: 44px; height: 44px; font-size: 2.4rem; }

  .page .page-number {
    bottom: 1rem;
    right: 1.3rem;
    font-size: 0.85rem;
  }

  .page .roman-chapter { font-size: 1.6rem; }
  .page .chapter-title { font-size: 1.55rem; }
  .page .epithet { font-size: 1.02rem; margin-bottom: 1rem; }
  .page .pull-quote { font-size: 1.02rem; padding-left: 0.9rem; margin: 1rem 0; }
  .page p { font-size: 1rem; line-height: 1.65; }

  .threshold-link { top: 1rem; left: 1rem; font-size: 0.95rem; }
  .banner-corner { top: 0.9rem; right: 0.9rem; }
  .banner-corner a { font-size: 0.9rem; padding: 0.45rem 0.85rem 0.45rem 0.45rem; }
  .banner-corner .sigil { width: 24px; height: 24px; }
}