/* Miss Wentworth's Books — the tome shelf. Hand-built, kept out of the generator via preserveDirs. */

:root {
  --desk-1: #120c07;
  --desk-2: #24170c;
  --ink: #2a2118;
  --ink-faint: #54483a;
  --gilt: #c9a75c;
  --gilt-deep: #8f7133;
  --hume: #4a2c16;        /* Dr Hume, iron gall gone brown */
  --graphite: #55524d;    /* Georgiana, pencil */
  --wentworth: #26304a;   /* Georgiana, blue-black ink */
  --wood: #3a2413;
  --wood-dark: #1d1109;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background-color: var(--desk-1);
  background-image:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(255, 190, 100, 0.13), transparent 62%),
    radial-gradient(ellipse 140% 120% at 50% 55%, var(--desk-2), var(--desk-1) 85%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: 'IM Fell DW Pica', 'IM Fell English', serif;
  min-height: 100vh;
  padding-bottom: 4rem;
  overflow-x: hidden;
}

.ribbon {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.4rem 0.4rem;
  font-family: 'IM Fell English SC', serif;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
}
.ribbon a {
  color: var(--gilt);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 167, 92, 0.35);
}
.ribbon a:hover { color: #e8cf95; border-bottom-color: #e8cf95; }
.ribbon .plate { color: rgba(201, 167, 92, 0.55); }

a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid #e8cf95;
  outline-offset: 3px;
}

/* =====================================================================
   THE SHELF
   ===================================================================== */
.shelf-head { text-align: center; margin: 2.2rem auto 0; padding: 0 1rem; max-width: 40rem; }
.shelf-head h1 {
  font-family: 'IM Fell French Canon SC', 'IM Fell English SC', serif;
  font-weight: 400;
  color: var(--gilt);
  font-size: clamp(1.7rem, 5vw, 2.7rem);
  letter-spacing: 0.08em;
  text-shadow: 0 1px 0 #000, 0 0 22px rgba(201, 167, 92, 0.2);
}
.shelf-head p { color: rgba(201, 167, 92, 0.7); font-style: italic; font-size: 1.08rem; margin-top: 0.4rem; }

.case {
  --u: min(1vw, 10px);
  max-width: calc(var(--u) * 96);
  margin: 2.4rem auto 0;
  padding: 0 calc(var(--u) * 3);
  background:
    linear-gradient(90deg, rgba(0,0,0,0.75), transparent 9%, transparent 91%, rgba(0,0,0,0.75)),
    linear-gradient(#0c0704, #1a0f08);
  border: calc(var(--u) * 1.2) solid var(--wood);
  border-bottom: 0;
  border-image: linear-gradient(#4a2e18, #2a180c) 1;
  box-shadow: 0 30px 70px rgba(0,0,0,0.7);
}
.spines {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: calc(var(--u) * 0.25);
  height: calc(var(--u) * 50);
  padding-top: calc(var(--u) * 5);
}
.board-edge {
  height: calc(var(--u) * 2.6);
  margin: 0 calc(var(--u) * -4.2);
  background: linear-gradient(#5a3a1f, #3a2413 35%, #1d1109);
  box-shadow: 0 10px 22px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255, 220, 160, 0.18);
}

.spine {
  --h: 40; --w: 9; --c1: #3b2416; --c2: #1c100a; --foil: var(--gilt);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: none;
  height: calc(var(--u) * var(--h));
  width: calc(var(--u) * var(--w));
  color: var(--foil);
  text-decoration: none;
  border-radius: calc(var(--u) * 0.5) calc(var(--u) * 0.5) 1px 1px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.55), rgba(255,255,255,0.07) 22%, rgba(255,255,255,0.02) 48%, rgba(0,0,0,0.5)),
    linear-gradient(var(--c1), var(--c2));
  box-shadow: inset 0 0 calc(var(--u) * 1.2) rgba(0,0,0,0.6), 2px 0 5px rgba(0,0,0,0.5);
  transform-origin: bottom center;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1);
}
.spine.has-art {
  width: auto;
  background: none;
  box-shadow: none;
  border-radius: 0;
  --foil: #ecd084;
}
.spine.has-art img { display: block; height: 100%; width: auto; mix-blend-mode: lighten; }
.spine.has-art::before, .spine.has-art::after { display: none; }
.spine.is-open { cursor: pointer; }
.spine.is-open:hover, .spine.is-open:focus-visible { transform: translateY(calc(var(--u) * -2.4)); }
.spine.is-shelved:hover, .spine.is-clasped:hover { transform: translateY(calc(var(--u) * -0.5)); }

/* raised bands and the lettering */
.spine::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom,
    transparent 0 calc(var(--u) * 6.4),
    rgba(0,0,0,0.5) calc(var(--u) * 6.4) calc(var(--u) * 6.6),
    rgba(255,235,190,0.13) calc(var(--u) * 6.6) calc(var(--u) * 7.1),
    rgba(0,0,0,0.55) calc(var(--u) * 7.1) calc(var(--u) * 7.4));
  border-radius: inherit;
  pointer-events: none;
}
.spine .lettering {
  position: relative;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: 'IM Fell English SC', serif;
  font-size: calc(var(--u) * 1.75);
  letter-spacing: 0.16em;
  white-space: nowrap;
  text-shadow: 0 0 2px rgba(0,0,0,0.9);
  opacity: 0.82;
}
.spine.has-art .lettering {            /* gilt lettering run up the spine, over the artwork */
  position: absolute; left: var(--lx, 50%); top: var(--ly, 50%);
  writing-mode: horizontal-tb;
  transform: translate(-50%, -50%) rotate(-90deg);
  font-family: 'IM Fell English SC', serif;
  font-size: calc(var(--u) * var(--ls, 1.9)); letter-spacing: 0.14em; white-space: nowrap;
  color: var(--foil, #e6c876); opacity: 0.95;
  text-shadow: 0 1px 0 rgba(0,0,0,0.95), 0 -1px 0 rgba(255,240,190,0.22), 0 0 5px rgba(0,0,0,0.95), 0 0 12px rgba(0,0,0,0.8);
  background: none; padding: 0;
}

/* seven bindings */
.s-vermiis { --h: 44; --w: 13; --c1: #1d1512; --c2: #0c0806; --foil: #8a7444; --ls: 2.3; }
.s-vermiis.has-art { --foil: #e6c876; }
.s-vermiis::after {            /* the stamped geometry no binder uses */
  content: "";
  position: absolute; inset: 6% 16%;
  background:
    repeating-linear-gradient(60deg, transparent 0 9px, rgba(138,116,68,0.16) 9px 10px),
    repeating-linear-gradient(-60deg, transparent 0 9px, rgba(138,116,68,0.16) 9px 10px);
  pointer-events: none;
}
.s-ivonis { --h: 42; --w: 11; --c1: #3a2010; --c2: #1e1008; --ls: 2.3; }
.s-ivonis::after {             /* the spine cracked at two points */
  content: "";
  position: absolute; left: 0; right: 0; top: 31%; height: 37%;
  border-top: 1.5px solid rgba(0,0,0,0.8);
  border-bottom: 1.5px solid rgba(0,0,0,0.8);
  box-shadow: 0 -1px 0 rgba(190,150,100,0.25), 0 1px 0 rgba(190,150,100,0.25);
  transform: skewY(-1.5deg);
  pointer-events: none;
}
.s-cultes { --h: 37; --w: 9.5; --c1: #231a12; --c2: #100b07; --foil: #9c834a; --ls: 1.75; }
.s-cultes.has-art { --foil: #e6c876; --lx: 53%; }
.s-cultes::after {             /* oily, and wormed at the corners */
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 22% at 40% 30%, rgba(255,240,200,0.12), transparent 70%),
    radial-gradient(circle at 18% 96%, #000 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 34% 98%, #000 0 1.2px, transparent 1.8px),
    radial-gradient(circle at 80% 3%, #000 0 1.5px, transparent 2.1px),
    radial-gradient(circle at 66% 5%, #000 0 1.1px, transparent 1.7px);
  border-radius: inherit;
  pointer-events: none;
}
.s-glaaki { --h: 39; --w: 12; --c1: #2a1a14; --c2: #130b08; --ls: 1.7; --ly: 64%; }
.s-glaaki::after {             /* ribbons holding the loose pages */
  content: "";
  position: absolute; left: 22%; top: -3.2%; width: 56%; height: 4%;
  background: linear-gradient(90deg, #6d1f1a 0 22%, transparent 22% 40%, #2c4a3a 40% 60%, transparent 60% 80%, #6d1f1a 80%);
  pointer-events: none;
}
.s-pnakotic { --h: 38; --w: 8; --c1: #7b5a35; --c2: #4a3219; --foil: #2a1a0c; --ls: 1.85; }
.s-pnakotic.has-art .lettering { color: #1a0d05; opacity: 1; text-shadow: 0 1px 0 rgba(255,235,190,0.45), 0 0 5px rgba(222,180,112,1), 0 0 3px rgba(222,180,112,1), 0 0 9px rgba(222,180,112,0.9); }
.s-pnakotic .lettering { text-shadow: none; opacity: 0.75; }
.s-daybook {
  --h: 33; --w: 4.2; --c1: #5b3d24; --c2: #38240f;
  transform: rotate(4.5deg);
  margin-left: calc(var(--u) * 1.6);
}
.s-daybook.has-art { --foil: #eadcb8; --ls: 1.5; --ly: 58%; --lx: 49%; }
.s-refractions.has-art { --foil: #d5dade; --ls: 1.2; --ly: 78%; }
.s-daybook.has-art, .s-daybook.has-art:hover { transform: none; margin-left: calc(var(--u) * 0.6); }
.s-daybook:hover { transform: rotate(4.5deg) translateY(calc(var(--u) * -0.5)); }
.s-daybook::before { display: none; }
.s-daybook .lettering {        /* a paper label, in a surgeon's hand */
  font-family: 'IM Fell DW Pica', serif; font-style: italic;
  color: #3a2c1c; background: #d9c9a3; padding: 0.7em 0.15em; letter-spacing: 0.04em;
  text-shadow: none; opacity: 0.95; font-size: calc(var(--u) * 1.5);
}
.s-refractions { --h: 30; --w: 5; --c1: #2b3138; --c2: #14181d; --foil: #8d9296; margin-left: calc(var(--u) * 1.2); }
.s-refractions::before { display: none; }
.s-refractions::after {        /* the clasp */
  content: "";
  position: absolute; left: -6%; right: -6%; top: 46%; height: 7%;
  background: linear-gradient(#b08d45, #6b5326 60%, #3d2f15);
  border-radius: 2px;
  box-shadow: 0 2px 3px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,235,170,0.5);
}

.plate-card {
  max-width: 34rem;
  margin: 2.6rem auto 0;
  padding: 0.9rem 1.4rem 1rem;
  text-align: center;
  color: #e3d2a6;
  border: 1px solid rgba(201,167,92,0.45);
  outline: 1px solid rgba(201,167,92,0.2);
  outline-offset: 4px;
  min-height: 6.2rem;
}
.plate-card h2 {
  font-family: 'IM Fell English SC', serif; font-weight: 400;
  font-size: 1.3rem; letter-spacing: 0.12em; color: var(--gilt);
}
.plate-card p { font-style: italic; font-size: 1.04rem; line-height: 1.45; margin-top: 0.3rem; color: rgba(227,210,166,0.8); }
.shelf-wrap { padding: 0 1.2rem; }

.credits {
  max-width: 640px;
  margin: 2.2rem auto 0;
  padding: 0 1rem;
  text-align: center;
  color: rgba(201,167,92,0.38);
  font-size: 0.8rem;
  font-style: italic;
  line-height: 1.5;
}

/* =====================================================================
   THE BOOK
   ===================================================================== */
.stage {
  perspective: 2600px;
  display: grid;
  place-items: center;
  padding: 1.4rem 0 0.6rem;
}
.codex {
  --pw: min(46vw, 520px, calc((100vh - 8.5rem) / 1.38));
  --ph: calc(var(--pw) * 1.38);
  position: relative;
  width: calc(var(--pw) * 2);
  height: var(--ph);
  transform-style: preserve-3d;
  transition: transform 0.95s cubic-bezier(.3,.1,.2,1);
}
.codex[data-at="front"] { transform: translateX(calc(var(--pw) * -0.5)); }
.codex[data-at="back"]  { transform: translateX(calc(var(--pw) * 0.5)); }

.leaf {
  position: absolute;
  left: 50%; top: 0;
  width: var(--pw); height: var(--ph);
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform 0.95s cubic-bezier(.3,.1,.2,1);
}
.leaf.turned { transform: rotateY(-180deg); }

.face {
  position: absolute; inset: 0;
  overflow: hidden;
  container-type: inline-size;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  cursor: pointer;
  background:
    linear-gradient(rgba(240, 228, 200, 0.30), rgba(232, 214, 178, 0.38)),
    url('../assets/paper-deep.jpg') center / cover;
  box-shadow: inset 0 0 3.5rem rgba(96, 68, 30, 0.22);
}
.face.back { transform: rotateY(180deg); }
/* the gutter */
.face.front::before, .face.back::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 13%; pointer-events: none; z-index: 3;
}
.face.front::before { left: 0;  background: linear-gradient(90deg, rgba(40,24,8,0.42), transparent); }
.face.back::before  { right: 0; background: linear-gradient(270deg, rgba(40,24,8,0.42), transparent); }

/* foxing shared by every paper leaf */
.face.paper::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background:
    radial-gradient(circle at 12% 18%, rgba(120,78,30,0.20) 0 1.2%, transparent 2.6%),
    radial-gradient(circle at 81% 9%, rgba(120,78,30,0.16) 0 0.9%, transparent 2.2%),
    radial-gradient(circle at 67% 88%, rgba(120,78,30,0.20) 0 1.5%, transparent 3.2%),
    radial-gradient(circle at 24% 73%, rgba(120,78,30,0.13) 0 0.8%, transparent 2%),
    radial-gradient(ellipse 60% 26% at 100% 100%, rgba(92,58,22,0.30), transparent 70%);
}

.pg {
  position: relative;
  z-index: 1;
  height: 100%;
  font-size: 3.05cqw;
  line-height: 1.42;
  padding: 7.5% 7% 7% 11%;
  display: flex;
  flex-direction: column;
}
.face.back .pg { padding: 7.5% 11% 7% 7%; }

/* ---- the boards ---- */
.face.board {
  background:
    radial-gradient(ellipse 70% 40% at 30% 22%, rgba(255,240,205,0.10), transparent 70%),
    repeating-linear-gradient(104deg, transparent 0 23px, rgba(0,0,0,0.22) 23px 24px, transparent 24px 61px),
    repeating-linear-gradient(11deg, transparent 0 37px, rgba(0,0,0,0.18) 37px 38px, transparent 38px 83px),
    linear-gradient(150deg, #2b1f15, #150e09 75%);
  box-shadow: inset 0 0 0 0.55rem rgba(0,0,0,0.25), inset 0 0 5rem rgba(0,0,0,0.75);
  border-radius: 2px 7px 7px 2px;
}
.face.board.back { border-radius: 7px 2px 2px 7px; }
.face.board::before { display: none; }
.codex.has-art .face.board { background: #120b06; box-shadow: none; }
.codex.has-art .face.board::after {
  content: ""; position: absolute; inset: 0;
  background: var(--art) center / cover;
  box-shadow: inset 0 0 3rem rgba(0,0,0,0.55);
}
.codex.has-art .face.board.back::after { transform: scaleX(-1); }
.codex.has-art .face.board .worm, .codex.has-art .face.board .tooling { display: none; }
.codex.has-art .board .pg { z-index: 2; }
.codex.has-art .board .cover-title {         /* the title stamped in gilt on the board */
  font-size: 2.5em; letter-spacing: 0.12em; line-height: 1.2;
  color: #ecd084;
  padding: 0.55em 0.2em;
  border-top: 0.06em double rgba(236,208,132,0.85);
  border-bottom: 0.06em double rgba(236,208,132,0.85);
  text-shadow: 0 0.04em 0 rgba(0,0,0,0.95), 0 -0.03em 0 rgba(255,244,200,0.3), 0 0 0.25em rgba(0,0,0,0.9), 0 0 0.7em rgba(0,0,0,0.75);
}
.codex[data-book="pnakotic-manuscripts"].has-art .cover-title {   /* blind-stamped dark into tan calf */
  color: #26160a; border-color: rgba(38,22,10,0.75);
  text-shadow: 0 0.04em 0 rgba(255,235,190,0.4), 0 0 0.3em rgba(214,170,104,0.8);
}
.codex[data-book="revelations-of-glaaki"].has-art .board .pg { padding-top: 34%; }
.codex[data-book="venns-daybook"].has-art .cover-title {          /* a paper label, in Dr Venn's hand */
  font-family: 'Mr De Haviland', cursive; letter-spacing: 0.02em; font-size: 3em; line-height: 1;
  color: #2f2416; text-shadow: none;
  border: 1px solid rgba(60,44,22,0.5);
  background: linear-gradient(rgba(240,228,198,0.96), rgba(226,210,172,0.96));
  box-shadow: 0 0.04em 0.15em rgba(0,0,0,0.5);
  padding: 0.3em 0.9em 0.2em; transform: rotate(-1.2deg);
}
.codex[data-book="venns-daybook"].has-art .board .pg { padding-left: 24%; }
.board .pg { align-items: center; justify-content: center; text-align: center; padding: 12%; }
.board .tooling {
  position: absolute; inset: 6.5%;
  border: 1px solid rgba(156,131,74,0.28);
  outline: 1px solid rgba(156,131,74,0.14);
  outline-offset: -0.6em;
}
.board .cover-title {
  font-family: 'IM Fell French Canon SC', serif;
  font-size: 2.25em; line-height: 1.15; letter-spacing: 0.1em;
  color: rgba(156,131,74,0.5);
  text-shadow: 0 1px 0 rgba(0,0,0,0.9), 0 -1px 0 rgba(255,230,170,0.06);
}
.board .worm {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 4% 96%, #000 0 0.5%, transparent 0.8%),
    radial-gradient(circle at 8% 93.5%, #000 0 0.35%, transparent 0.6%),
    radial-gradient(circle at 5.5% 90%, #000 0 0.4%, transparent 0.7%),
    radial-gradient(circle at 12% 97%, #000 0 0.3%, transparent 0.55%),
    radial-gradient(circle at 95% 4%, #000 0 0.5%, transparent 0.8%),
    radial-gradient(circle at 91% 6.5%, #000 0 0.35%, transparent 0.6%),
    radial-gradient(circle at 96.5% 9%, #000 0 0.3%, transparent 0.55%),
    radial-gradient(circle at 94% 95%, #000 0 0.45%, transparent 0.75%),
    radial-gradient(circle at 5% 5%, #000 0 0.4%, transparent 0.7%);
}

/* ---- pastedowns ---- */
.face.pastedown {
  background:
    linear-gradient(rgba(214, 196, 158, 0.55), rgba(190, 168, 126, 0.62)),
    url('../assets/paper-deep.jpg') center / cover;
}
.pastedown .pg { justify-content: flex-end; }

/* ---- letterpress ---- */
.rh {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: 'IM Fell English SC', serif;
  font-size: 0.8em; letter-spacing: 0.16em; color: var(--ink-faint);
  border-bottom: 1px solid rgba(74,60,40,0.45);
  padding-bottom: 0.3em; margin-bottom: 1.1em;
}
.cols { display: flex; gap: 4%; flex: 1; min-height: 0; }
.cols .txt { flex: 1; min-width: 0; }
.cols .mg  { flex: none; width: 31%; position: relative; }
.face.back .cols { flex-direction: row-reverse; }

.txt h2 {
  font-family: 'IM Fell French Canon SC', serif; font-weight: 400;
  font-size: 1.22em; line-height: 1.2; letter-spacing: 0.05em;
  text-align: center; margin-bottom: 0.2em;
}
.txt h3 {
  font-family: 'IM Fell DW Pica', serif; font-weight: 400; font-style: italic;
  font-size: 1.02em; text-align: center; margin-bottom: 0.8em;
}
.txt p { text-align: justify; hyphens: auto; text-indent: 1.2em; margin: 0; }
.txt p.first { text-indent: 0; }
.txt p.first::first-letter {
  font-family: 'IM Fell French Canon', serif;
  font-size: 3.1em; line-height: 0.8; float: left; padding: 0.08em 0.07em 0 0;
}
.catch { text-align: right; font-style: italic; font-size: 0.9em; color: var(--ink-faint); margin-top: 0.5em; }

/* ---- Dr Hume in the margins ---- */
.hume {
  font-family: 'Meddon', cursive;
  color: var(--hume);
  font-size: 0.74em;
  line-height: 1.6;
  transform: rotate(-2deg);
  position: absolute; left: 0; right: 0;
}
.hume.r { transform: rotate(1.6deg); }
.hume-line { text-decoration: underline rgba(74,44,22,0.75); text-decoration-thickness: 0.08em; text-underline-offset: 0.2em; }

/* ---- figures ---- */
.fig { margin: 0.9em auto 0; width: 46%; text-align: center; }
.fig svg { width: 100%; height: auto; display: block; }
.fig svg * { fill: none; stroke: var(--ink); stroke-width: 0.7; vector-effect: non-scaling-stroke; }
.fig svg .dot { fill: var(--ink); stroke: none; }
.fig figcaption { font-style: italic; font-size: 0.86em; margin-top: 0.35em; color: var(--ink-faint); }

/* ---- title page ---- */
.titlepage .pg { text-align: center; align-items: center; padding: 10% 12%; }
.titlepage h1 {
  font-family: 'IM Fell French Canon', serif; font-weight: 400;
  font-size: 3.1em; line-height: 1.02; letter-spacing: 0.04em; margin: 0.25em 0 0.2em;
}
.titlepage .t-des { font-family: 'IM Fell French Canon SC', serif; font-size: 1.5em; letter-spacing: 0.3em; }
.titlepage .t-sub { font-style: italic; font-size: 1.04em; line-height: 1.4; margin: 0.9em 0; }
.titlepage .t-by { font-family: 'IM Fell English SC', serif; letter-spacing: 0.14em; font-size: 1.05em; }
.titlepage .t-rule { width: 46%; border: 0; border-top: 1px solid var(--ink); margin: 1em auto; }
.titlepage .t-rule.thick { border-top-width: 3px; width: 70%; }
.titlepage .t-orn { font-size: 2.4em; line-height: 1; margin: 0.35em 0; color: var(--ink); }
.titlepage .t-imprint { font-family: 'IM Fell English SC', serif; letter-spacing: 0.2em; font-size: 0.98em; line-height: 1.6; margin-top: auto; }

/* ---- the leaf of workings ---- */
.workings { list-style: none; margin-top: 0.4em; }
.working { margin-bottom: 0.3em; }
.w-row { display: flex; align-items: baseline; gap: 0.3em; }
.w-fr { font-style: italic; }
.w-dots { flex: 1; border-bottom: 1px dotted rgba(42,33,24,0.6); transform: translateY(-0.25em); min-width: 1em; }
.w-gloss {
  display: block;
  font-family: 'Dawning of a New Day', cursive;
  color: var(--graphite);
  font-size: 1.3em; line-height: 0.95; padding-left: 0.9em;
  transform: rotate(-0.6deg);
}
.working.is-sealed .w-gloss { opacity: 0.9; }
.working.is-learned .w-gloss, .working.is-study .w-gloss { color: var(--wentworth); }
.w-mark { white-space: nowrap; }

/* ---- what has not been read ---- */
.lost {                      /* lines that were print once: no text exists behind them */
  position: relative;
  flex: 1;
  margin-top: 0.55em;
  background: repeating-linear-gradient(to bottom,
    transparent 0 0.6em, rgba(42,33,24,0.6) 0.6em 0.86em, transparent 0.86em 1.42em);
  filter: blur(0.15em);
  -webkit-mask-image:
    repeating-linear-gradient(90deg, #000 0 2.2em, transparent 2.2em 2.55em),
    repeating-linear-gradient(83deg, #000 0 3.6em, transparent 3.6em 3.95em),
    linear-gradient(to bottom, #000 0 78%, transparent 96%);
  -webkit-mask-composite: source-in, source-in;
  mask-image:
    repeating-linear-gradient(90deg, #000 0 2.2em, transparent 2.2em 2.55em),
    repeating-linear-gradient(83deg, #000 0 3.6em, transparent 3.6em 3.95em),
    linear-gradient(to bottom, #000 0 78%, transparent 96%);
  mask-composite: intersect;
  opacity: 0.55;
}
.stain {                     /* a tide-marked spill over the unread lines */
  position: absolute; pointer-events: none; z-index: 2;
  border-radius: 61% 39% 44% 56% / 41% 60% 40% 59%;
  background:
    radial-gradient(ellipse 30% 26% at 70% 28%, rgba(70,44,16,0.30), transparent 100%),
    radial-gradient(ellipse 26% 30% at 24% 70%, rgba(70,44,16,0.26), transparent 100%),
    radial-gradient(ellipse 64% 60% at 46% 50%, rgba(96,62,24,0.50) 0 30%, rgba(104,68,28,0.40) 70%, rgba(78,48,16,0.52) 93%, transparent 100%);
  filter: blur(0.35em);
  mix-blend-mode: multiply;
  transform: rotate(-7deg);
}
.face.uncut {
  background:
    radial-gradient(ellipse 55% 38% at 38% 30%, rgba(48,28,10,0.6), transparent 100%),
    radial-gradient(ellipse 70% 50% at 62% 70%, rgba(52,30,10,0.72) 0 40%, rgba(70,44,16,0.4) 70%, transparent 100%),
    linear-gradient(rgba(206, 186, 146, 0.55), rgba(170, 144, 100, 0.68)),
    url('../assets/paper-deep.jpg') center / cover;
  box-shadow: inset 0 0 4rem rgba(40, 24, 8, 0.5);
}
.uncut .bolt {               /* the folded edge the knife has never been through */
  position: absolute; top: 0; left: 0; right: 0; height: 2.6%;
  background: linear-gradient(rgba(60,40,18,0.75), rgba(120,94,56,0.35) 60%, transparent);
  border-bottom: 1px solid rgba(40,26,10,0.35);
}
.uncut .bolt.fore { top: 0; bottom: 0; right: auto; left: 0; width: 2.2%; height: auto; border: 0;
  border-right: 1px solid rgba(40,26,10,0.35);
  background: linear-gradient(90deg, rgba(60,40,18,0.75), rgba(120,94,56,0.35) 60%, transparent); }

/* ---- slips tucked between the leaves ---- */
.slip {
  position: absolute; z-index: 4;
  font: inherit; cursor: pointer; border: 0; text-align: left;
  background:
    linear-gradient(rgba(250, 244, 228, 0.93), rgba(240, 230, 204, 0.96)),
    url('../assets/paper-light.jpg') center / cover;
  box-shadow: 0 0.15em 0.5em rgba(0,0,0,0.45);
  padding: 0.5em 0.9em 0.55em;
  transition: transform 0.25s ease;
}
.slip:hover, .slip:focus-visible { transform: translateY(-0.5em) rotate(var(--r, -3deg)); }
.slip.hand {
  --r: -3deg; transform: rotate(-3deg);
  font-family: 'Dawning of a New Day', cursive; color: var(--wentworth);
  font-size: 1.25em; line-height: 1.1;
  bottom: -0.5em; right: 12%; padding-bottom: 1em;
}
.slip.card {
  --r: 2.5deg; transform: rotate(2.5deg);
  font-family: 'IM Fell English SC', serif; color: var(--ink);
  font-size: 0.86em; letter-spacing: 0.12em;
  bottom: -0.4em; left: 14%; padding-bottom: 1em;
  border-top: 2px solid var(--ink);
}
.slip small { display: block; font-family: 'IM Fell DW Pica', serif; font-style: italic; letter-spacing: 0; font-size: 0.92em; color: var(--ink-faint); text-transform: none; }

dialog.slip-view {
  margin: auto;
  border: 0; padding: 0; background: transparent;
  max-width: min(32rem, 92vw);
}
dialog.slip-view::backdrop { background: rgba(10, 6, 3, 0.78); }
.slip-body {
  background:
    linear-gradient(rgba(250, 244, 228, 0.95), rgba(240, 230, 204, 0.97)),
    url('../assets/paper-light.jpg') center / cover;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
  padding: 2rem 2.1rem 1.6rem;
  color: var(--ink);
}
.slip-body.hand {
  font-family: 'Dawning of a New Day', cursive; color: var(--wentworth);
  font-size: 1.62rem; line-height: 1.28; transform: rotate(-0.7deg);
}
.slip-body.hand h2 { font: inherit; text-decoration: underline; margin-bottom: 0.5rem; }
.slip-body.hand p { margin-bottom: 0.6rem; }
.slip-body.card { font-family: 'IM Fell DW Pica', serif; font-size: 1.1rem; line-height: 1.5; border-top: 4px double var(--ink); }
.slip-body.card h2 { font-family: 'IM Fell English SC', serif; font-weight: 400; font-size: 1.5rem; letter-spacing: 0.1em; margin-bottom: 0.2rem; }
.slip-body.card .who { font-style: italic; color: var(--ink-faint); margin-bottom: 0.9rem; }
.slip-body.card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; margin-bottom: 0.9rem; }
.slip-body.card dt { font-family: 'IM Fell English SC', serif; letter-spacing: 0.08em; }
.slip-body.card p { margin-bottom: 0.7rem; }
.slip-body.card .cite { font-style: italic; font-size: 0.92rem; color: var(--ink-faint); margin: 0; }
.slip-close {
  display: block; margin: 0.9rem auto 0;
  font-family: 'IM Fell English SC', serif; letter-spacing: 0.14em; font-size: 0.95rem;
  color: var(--gilt); background: rgba(59,31,18,0.9);
  border: 1px solid rgba(201,167,92,0.5); border-radius: 3px; padding: 0.35rem 1rem; cursor: pointer;
}

/* ---- under the book ---- */
.turns { display: flex; justify-content: center; gap: 0.9rem; margin-top: 1.1rem; }
.turns button {
  font-family: 'IM Fell English SC', serif; letter-spacing: 0.14em; font-size: 0.98rem;
  color: #e8cf95; background: rgba(59,31,18,0.85);
  border: 1px solid rgba(201,167,92,0.5); border-radius: 3px;
  padding: 0.4rem 1.1rem; cursor: pointer;
}
.turns button:disabled { opacity: 0.3; cursor: default; }
.tally {
  max-width: 38rem; margin: 1rem auto 0; padding: 0 1.2rem;
  text-align: center; font-style: italic; font-size: 1rem; line-height: 1.5;
  color: rgba(227,210,166,0.72);
}

/* ---- one leaf at a time on a small screen ---- */
.codex.single {
  --pw: min(94vw, 30rem);
  width: var(--pw); height: auto; transform: none;
}
.codex.single .leaf { position: static; width: auto; height: auto; transform: none; transition: none; }
.codex.single .face {
  display: none; position: relative; inset: auto; transform: none;
  min-height: calc(var(--pw) * 1.38);
  -webkit-backface-visibility: visible; backface-visibility: visible;
}
.codex.single .face.current { display: block; }
.codex.single .pg { font-size: clamp(0.95rem, 4.1cqw, 1.1rem); min-height: calc(var(--pw) * 1.38); height: auto; padding-bottom: 4.5em; }
.codex.single .board .cover-title { font-size: 2em; }
.codex.single .cols { display: block; }
.codex.single .cols .mg { width: auto; margin-top: 1.2em; }
.codex.single .hume { position: static; font-size: 0.68em; margin-bottom: 1.1em; padding-left: 0.8em; border-left: 2px solid rgba(74,44,22,0.35); }
.codex.single .lost { min-height: 9em; }
.codex.single .titlepage .pg { display: flex; }

@media (prefers-reduced-motion: reduce) {
  .codex, .leaf, .spine, .slip { transition: none; }
}