.rev-chamber {
  position: fixed;
  inset: 0;
  z-index: 9999;
  color: #e8e0d2;
  font-family: Georgia, "Times New Roman", serif;
}
.rev-chamber.is-hidden { display: none; }
.rev-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(156,122,69,.12), transparent 26%),
    radial-gradient(circle at center, rgba(94,84,58,.12), transparent 38%),
    linear-gradient(to bottom, rgba(4,4,5,.955), rgba(10,9,11,.988));
  backdrop-filter: blur(4px);
}
.rev-frame {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(165,138,84,.45);
  box-shadow:
    inset 0 0 0 1px rgba(85,70,38,.35),
    inset 0 0 0 18px rgba(14,12,12,.18),
    0 0 80px rgba(0,0,0,.55);
  pointer-events: none;
}
.rev-frame::before,
.rev-frame::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  border: 1px solid rgba(180,148,89,.24);
}
.rev-frame::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.rev-frame::after { right: 12px; bottom: 12px; border-left: 0; border-top: 0; }
.rev-head,.rev-foot,.rev-controls { position: relative; z-index: 2; display: flex; align-items: center; gap: 12px; }
.rev-head { justify-content: space-between; padding: 22px 28px 0; }
.rev-head-block { display: grid; gap: 6px; }
.rev-kicker,.rev-status,.rev-foot span,.rev-controls-label {
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 11px;
  color: rgba(214,191,145,.84);
}
.rev-subkicker {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(188,169,133,.58);
}
.rev-close,.rev-controls button,.rev-break-seal,.reversal-trigger {
  appearance: none;
  border: 1px solid rgba(165, 138, 84, 0.5);
  background: linear-gradient(180deg, rgba(28,24,21,.96), rgba(18,15,13,.94));
  color: #e7dcc8;
  padding: 10px 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 10px 20px rgba(0,0,0,.18);
}
.rev-close:hover,.rev-controls button:hover,.rev-break-seal:hover,.reversal-trigger:hover {
  background: linear-gradient(180deg, rgba(41,35,30,.98), rgba(24,20,17,.96));
}
.rev-break-seal {
  padding: 12px 22px;
  border-radius: 999px;
}
.rev-center {
  position: relative;
  z-index: 2;
  height: calc(100vh - 190px);
  display: grid;
  place-items: center;
  padding: 20px 32px;
}
.rev-book-stage {
  width: min(1180px,92vw);
  height: min(720px,72vh);
  position: relative;
  display: grid;
  place-items: center;
}

.rev-stage-smoke-a {
  width: 54%;
  height: 36%;
  background: radial-gradient(circle at 50% 55%, rgba(214,191,145,.14), rgba(214,191,145,.05) 34%, transparent 72%);
  animation: revSmokeDriftA 18s ease-in-out infinite;
}
.rev-stage-smoke-b {
  width: 42%;
  height: 26%;
  left: 56%;
  top: 58%;
  background: radial-gradient(circle at 50% 50%, rgba(180,164,140,.10), rgba(180,164,140,.04) 32%, transparent 72%);
  animation: revSmokeDriftB 22s ease-in-out infinite;
}
.rev-stage-smoke-c {
  width: 34%;
  height: 22%;
  left: 44%;
  top: 46%;
  background: radial-gradient(circle at 50% 50%, rgba(125,118,108,.08), rgba(125,118,108,.03) 30%, transparent 70%);
  animation: revSmokeDriftC 26s ease-in-out infinite;
}
.rev-stage-dust {
  inset: 0;
  opacity: .22;
}
.rev-stage-dust::before,
.rev-stage-dust::after {
  content: "";
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  pointer-events: none;
}
.rev-stage-dust-a::before {
  background-image:
    radial-gradient(circle, rgba(231,220,194,.42) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(231,220,194,.28) 0 1.2px, transparent 1.9px),
    radial-gradient(circle, rgba(231,220,194,.18) 0 1px, transparent 1.6px);
  background-size: 240px 240px, 320px 320px, 420px 420px;
  background-position: 10% 20%, 70% 35%, 40% 80%;
  animation: revDustFloatA 28s linear infinite;
  opacity: .34;
}
.rev-stage-dust-a::after {
  background-image:
    radial-gradient(circle, rgba(231,220,194,.24) 0 1px, transparent 1.8px),
    radial-gradient(circle, rgba(231,220,194,.16) 0 1px, transparent 1.8px);
  background-size: 280px 280px, 360px 360px;
  background-position: 20% 70%, 85% 18%;
  animation: revDustFloatB 36s linear infinite;
  opacity: .18;
}
.rev-stage-dust-b::before {
  background-image:
    radial-gradient(circle, rgba(205,193,168,.18) 0 1px, transparent 1.8px),
    radial-gradient(circle, rgba(205,193,168,.12) 0 1px, transparent 1.8px);
  background-size: 300px 300px, 440px 440px;
  background-position: 62% 64%, 12% 44%;
  animation: revDustFloatC 32s linear infinite;
  opacity: .12;
}
.rev-stage-halo {
  position: absolute;
  inset: 10% 20%;
  background: radial-gradient(circle at center, rgba(175,145,89,.13), transparent 55%);
  filter: blur(12px);
  opacity: .9;
  pointer-events: none;
}

.rev-exhale-vapor {
  position: absolute;
  inset: 6% 10% 8%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.rev-vapor {
  position: absolute;
  left: 50%;
  bottom: 10%;
  border-radius: 999px;
  opacity: 0;
  transform: translate(-50%, 14%) scale(.82);
  filter: blur(22px);
  mix-blend-mode: screen;
  background:
    radial-gradient(circle at 50% 58%, rgba(226,235,248,.16), rgba(196,210,232,.08) 32%, rgba(132,146,171,.03) 58%, transparent 76%),
    radial-gradient(circle at 50% 42%, rgba(255,255,255,.08), transparent 38%);
}
.rev-vapor-a { width: 44%; height: 32%; }
.rev-vapor-b { left: 37%; bottom: 14%; width: 28%; height: 24%; filter: blur(28px); }
.rev-vapor-c { left: 63%; bottom: 12%; width: 30%; height: 25%; filter: blur(30px); }
.rev-vapor-d { width: 62%; height: 20%; bottom: 4%; filter: blur(34px); mix-blend-mode: soft-light; }
.rev-book-hero,
.rev-spread,
.rev-controls-wrap,
.rev-head,
.rev-foot { position: relative; z-index: 1; }
.rev-book-hero {
  width: min(560px,72vw);
  aspect-ratio: 1 / 1.22;
  display: grid;
  place-items: center;
  gap: 18px;
}
.rev-book-hero.is-hidden { display:none; }
.rev-book-cover {
  width:100%; height:100%;
  border:1px solid rgba(165,138,84,.45);
  background:
    radial-gradient(circle at 50% 12%, rgba(165,138,84,.15), transparent 18%),
    radial-gradient(circle at 50% 76%, rgba(120,94,56,.08), transparent 28%),
    linear-gradient(145deg, rgba(14,13,14,.99), rgba(26,22,20,.98) 45%, rgba(18,16,15,.99));
  box-shadow:
    inset 0 0 0 1px rgba(77,63,35,.42),
    inset 0 0 90px rgba(147,111,61,.06),
    0 24px 80px rgba(0,0,0,.54);
  display:grid;
  grid-template-rows: auto 1fr auto auto auto;
  place-items:center;
  text-align:center;
  padding:28px 34px 30px;
  position: relative;
  overflow: hidden;
}
.rev-book-cover::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(176,147,92,.18);
  pointer-events: none;
}
.rev-book-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 26%, rgba(255,255,255,.06) 48%, transparent 66%);
  opacity: .18;
  transform: translateX(-15%);
  animation: revGlass 8s linear infinite;
}

.rev-book-cover > * { position: relative; z-index: 2; }
.rev-cover-topline,
.rev-cover-bottomline {
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(203,185,150,.62);
  line-height: 1.5;
}
.rev-cover-topline { margin-bottom: 10px; }
.rev-cover-bottomline { margin-top: 14px; max-width: 34ch; }
.rev-cover-emblem {
  position: relative;
  width: 220px;
  height: 220px;
  display: grid;
  place-items: center;
  margin: 6px auto 12px;
}
.rev-cover-emblem::before,
.rev-cover-emblem::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(189,156,96,.12);
  transform: translate(-50%, -50%);
}
.rev-cover-emblem::before { width: 1px; height: 172px; }
.rev-cover-emblem::after { width: 172px; height: 1px; }
.rev-cover-rings,
.rev-cover-ring {
  position: absolute;
  inset: 0;
}
.rev-cover-ring {
  border-radius: 999px;
  border: 1px solid rgba(189,156,96,.18);
  box-shadow: inset 0 0 0 1px rgba(189,156,96,.03);
}
.rev-cover-ring-a { inset: 10px; }
.rev-cover-ring-b { inset: 28px; opacity: .75; }
.rev-cover-ring-c { inset: 48px; opacity: .55; }
.rev-cover-ring-a::before,
.rev-cover-ring-b::before,
.rev-cover-ring-c::before {
  content: "";
  position: absolute;
  inset: 7%;
  border: 1px solid rgba(189,156,96,.08);
  border-radius: inherit;
}
.rev-cover-skyline {
  position: absolute;
  left: 50%;
  bottom: 44px;
  width: 146px;
  height: 44px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(201,170,109,.16), rgba(201,170,109,.06));
  clip-path: polygon(0 100%, 0 62%, 8% 62%, 8% 36%, 14% 36%, 14% 58%, 20% 58%, 20% 22%, 28% 22%, 28% 68%, 34% 68%, 34% 46%, 40% 46%, 40% 12%, 48% 12%, 48% 70%, 56% 70%, 56% 40%, 62% 40%, 62% 58%, 70% 58%, 70% 28%, 78% 28%, 78% 64%, 86% 64%, 86% 48%, 92% 48%, 92% 74%, 100% 74%, 100% 100%);
  opacity: .85;
  filter: drop-shadow(0 0 10px rgba(201,170,109,.08));
}
.rev-cover-ornament {
  width: 98px;
  height: 98px;
  border-radius: 999px;
  border: 1px solid rgba(189,156,96,.42);
  box-shadow: inset 0 0 0 6px rgba(189,156,96,.08), 0 0 34px rgba(189,156,96,.08);
  position: relative;
  background: radial-gradient(circle at center, rgba(214,190,140,.08), transparent 54%);
}

.rev-cover-ornament::before,
.rev-cover-ornament::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(189,156,96,.28);
  transform: rotate(45deg);
}

.rev-cover-title { font-size: clamp(24px,3.2vw,40px); letter-spacing:.16em; text-transform:uppercase; color:#e5d4b7; max-width: 11ch; }
.rev-cover-subtitle { margin-top:10px; font-size:12px; letter-spacing:.22em; text-transform:uppercase; color:rgba(219,202,162,.8); }
.rev-cover-meta, .rev-opening-line {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(193,176,144,.56);
}
.rev-opening-line { max-width: 40ch; text-align: center; }
.rev-spread {
  width:100%; height:100%; display:grid; grid-template-columns:1fr 1fr; gap:18px;
  perspective: 1200px;
}
.rev-spread.is-hidden { display:none; }
.rev-spread { transform-style: preserve-3d; }
.rev-spread .rev-page { transform-origin: center center; will-change: transform, opacity, filter; }

.rev-spread.is-anim-reveal .rev-page-left { animation: revPageRevealLeft 760ms cubic-bezier(.18,.82,.22,1); }
.rev-spread.is-anim-reveal .rev-page-right { animation: revPageRevealRight 760ms cubic-bezier(.18,.82,.22,1); }
.rev-spread.is-anim-next .rev-page-left { animation: revPageNextLeft 760ms cubic-bezier(.16,.84,.22,1); }
.rev-spread.is-anim-next .rev-page-right { animation: revPageNextRight 760ms cubic-bezier(.16,.84,.22,1); }
.rev-spread.is-anim-prev .rev-page-left { animation: revPagePrevLeft 760ms cubic-bezier(.16,.84,.22,1); }
.rev-spread.is-anim-prev .rev-page-right { animation: revPagePrevRight 760ms cubic-bezier(.16,.84,.22,1); }
.rev-spread.is-page-settle .rev-page-left { animation: revPageSettleLeft 620ms cubic-bezier(.22,.78,.28,1); }
.rev-spread.is-page-settle .rev-page-right { animation: revPageSettleRight 620ms cubic-bezier(.22,.78,.28,1); }
.rev-spread.is-anim-reflect .rev-page-left,
.rev-spread.is-anim-reflect .rev-page-right { animation: revPageReflect 680ms cubic-bezier(.22,.78,.28,1); }


/* Interleaf plate layout */
.rev-spread.is-interleaf {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.rev-spread.is-interleaf .rev-page-right {
  display: none;
}
.rev-spread.is-interleaf .rev-page-left {
  grid-column: 1 / -1;
  transform: none;
  max-width: min(920px, 100%);
  margin-inline: auto;
  min-height: 100%;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  padding: 46px 48px 54px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 18%, rgba(188,154,92,.12), transparent 22%),
    radial-gradient(circle at 50% 82%, rgba(108,91,57,.08), transparent 28%),
    linear-gradient(180deg, rgba(34,31,28,.985), rgba(20,18,18,.992));
  box-shadow:
    inset 0 0 0 1px rgba(87,74,41,.34),
    inset 0 0 0 14px rgba(12,11,11,.18),
    inset 0 0 120px rgba(0,0,0,.26),
    0 18px 46px rgba(0,0,0,.24);
}
.rev-spread.is-interleaf .rev-page-left::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255,240,210,.05), transparent 20%),
    radial-gradient(circle at 50% 86%, rgba(165,138,84,.08), transparent 24%);
}
.rev-spread.is-interleaf .rev-page-left::after {
  opacity: .1;
}
.rev-spread.is-interleaf .rev-page-label {
  justify-content: center;
  margin-bottom: 18px;
}
.rev-spread.is-interleaf .rev-page-title {
  max-width: 16ch;
  margin: 0 auto 18px;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.rev-spread.is-interleaf .rev-page-text {
  min-height: 0;
  max-width: 54ch;
  margin-inline: auto;
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.95;
}
.rev-spread.is-interleaf .rev-page-note {
  max-width: 48ch;
  margin-inline: auto;
  margin-top: 24px;
}
.rev-spread.is-interleaf .rev-page-watermark {
  inset: 50% auto auto 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
  opacity: .12;
}
.rev-spread.is-interleaf .rev-page-sigil {
  inset: 50% auto auto 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  opacity: .42;
}
.rev-chamber.is-reflected .rev-spread.is-interleaf .rev-page-left {
  background:
    radial-gradient(circle at 50% 18%, rgba(172,188,214,.1), transparent 22%),
    radial-gradient(circle at 50% 82%, rgba(98,108,132,.06), transparent 28%),
    linear-gradient(180deg, rgba(24,27,33,.988), rgba(16,18,24,.994));
}

.rev-spread.is-anim-reflect::after {
  content: "";
  position: absolute;
  inset: -6% -10%;
  pointer-events: none;
  background: linear-gradient(100deg, transparent 20%, rgba(194,214,255,.18) 46%, rgba(255,255,255,.06) 50%, transparent 74%);
  animation: revMirrorSweep 680ms cubic-bezier(.18,.82,.22,1);
}
.rev-page {
  position:relative;
  border:1px solid rgba(165,138,84,.32);
  background:
    linear-gradient(180deg, rgba(42,38,34,.98), rgba(25,23,22,.985)),
    radial-gradient(circle at top, rgba(126,108,67,.08), transparent 42%);
  box-shadow:
    inset 0 0 0 1px rgba(87,74,41,.28),
    inset 0 0 120px rgba(0,0,0,.22),
    0 14px 34px rgba(0,0,0,.22);
  padding:22px 24px 28px;
  overflow:hidden;
  border-radius: 4px;
}
.rev-page-left { transform: rotateY(1.5deg); }
.rev-page-right { transform: rotateY(-1.5deg); }
.rev-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 8%, rgba(255,240,210,.03), transparent 28%), radial-gradient(circle at 80% 100%, rgba(165,138,84,.05), transparent 24%);
  pointer-events: none;
}
.rev-page::after {
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(110deg, transparent 26%, rgba(255,255,255,.05) 48%, transparent 68%);
  opacity:.18;
  pointer-events:none;
}
.rev-page-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(215,196,150,.72);
  margin-bottom:14px;
}
.rev-page-label::before,
.rev-page-label::after {
  content: "";
  width: 18px;
  height: 1px;
  background: rgba(165,138,84,.36);
}
.rev-page-title { margin:0 0 14px; font-size:clamp(20px,2vw,29px); color:#f0e5d2; line-height: 1.2; }
.rev-page-text { white-space:pre-wrap; line-height:1.78; font-size:clamp(14px,1.2vw,17px); color:#dfd4c1; min-height: 13em; }
.rev-page-note {
  margin-top:20px; padding-top:12px; border-top:1px solid rgba(165,138,84,.22); min-height:22px;
  font-size:12px; letter-spacing:.06em; color:rgba(220,199,160,.84); font-style:italic;
}
.rev-controls-wrap { position: relative; z-index: 2; display: grid; justify-items: center; gap: 8px; }
.rev-controls {
  justify-content:center; padding:8px 20px 0; flex-wrap:wrap;
  background: rgba(12,11,11,.46);
  border: 1px solid rgba(165,138,84,.16);
  padding: 12px;
  border-radius: 999px;
  box-shadow: 0 14px 40px rgba(0,0,0,.18);
}
.rev-controls button[data-action="reflect"] {
  border-color: rgba(154,163,185,.45);
  color: #dde3ef;
}
.rev-foot { justify-content:center; padding:16px 20px 26px; opacity:.88; flex-wrap: wrap; }
.rev-chamber.is-reflected .rev-stage-halo { background: radial-gradient(circle at center, rgba(140,165,209,.14), transparent 55%); }
.rev-chamber.is-reflected .rev-page {
  background: linear-gradient(180deg, rgba(22,24,29,.97), rgba(16,18,23,.985)), radial-gradient(circle at top, rgba(150,160,180,.07), transparent 40%);
  border-color: rgba(132,149,181,.3);
}
.rev-chamber.is-reflected .rev-page-title { color:#dfe7f5; letter-spacing: .02em; }
.rev-chamber.is-reflected .rev-page-text { color:#cfd7e4; }
.rev-chamber.is-reflected .rev-page-note { color: rgba(197,211,236,.86); }
.rev-chamber.is-breathed .rev-page::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.10), rgba(255,255,255,.025) 28%, transparent 56%);
  animation: revFog 1.35s ease; pointer-events:none;
}
.rev-chamber.is-breathed .rev-stage-halo {
  animation: revHaloBloom 1.55s ease;
}
.rev-chamber.is-breathed .rev-exhale-vapor .rev-vapor-a { animation: revExhaleLiftA 1.65s cubic-bezier(.18,.78,.24,1); }
.rev-chamber.is-breathed .rev-exhale-vapor .rev-vapor-b { animation: revExhaleLiftB 1.8s cubic-bezier(.18,.78,.24,1); }
.rev-chamber.is-breathed .rev-exhale-vapor .rev-vapor-c { animation: revExhaleLiftC 1.7s cubic-bezier(.18,.78,.24,1); }
.rev-chamber.is-breathed .rev-exhale-vapor .rev-vapor-d { animation: revExhaleLiftD 1.6s cubic-bezier(.18,.78,.24,1); }
.rev-chamber.is-breathed .rev-page::before {
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 54%, rgba(255,255,255,.12), rgba(255,255,255,.035) 26%, transparent 54%),
    radial-gradient(circle at 50% 48%, rgba(205,218,240,.07), transparent 46%);
  animation: revFog 1.05s ease;
  pointer-events:none;
}
.rev-chamber.is-self-writing .rev-page-text::after { content:'▋'; margin-left:2px; color: rgba(214,191,145,.88); animation: revCaret 1s steps(1) infinite; }
@keyframes revFog {
  0% { opacity:0; transform:scale(.96); }
  22% { opacity:.72; }
  100% { opacity:0; transform:scale(1.05); }
}

@keyframes revHaloBloom {
  0% { opacity:.72; transform:scale(.96); filter: blur(12px); }
  28% { opacity:1; transform:scale(1.04); filter: blur(18px); }
  100% { opacity:.9; transform:scale(1); filter: blur(12px); }
}
@keyframes revExhaleLiftA {
  0% { opacity:0; transform:translate(-50%, 16%) scale(.8); }
  18% { opacity:.42; }
  58% { opacity:.22; }
  100% { opacity:0; transform:translate(-52%, -24%) scale(1.16); }
}
@keyframes revExhaleLiftB {
  0% { opacity:0; transform:translate(-50%, 16%) scale(.76) rotate(-5deg); }
  20% { opacity:.26; }
  100% { opacity:0; transform:translate(-58%, -28%) scale(1.1) rotate(-10deg); }
}
@keyframes revExhaleLiftC {
  0% { opacity:0; transform:translate(-50%, 14%) scale(.78) rotate(4deg); }
  20% { opacity:.24; }
  100% { opacity:0; transform:translate(-44%, -26%) scale(1.08) rotate(10deg); }
}
@keyframes revExhaleLiftD {
  0% { opacity:0; transform:translate(-50%, 10%) scale(.88); }
  24% { opacity:.18; }
  100% { opacity:0; transform:translate(-50%, -14%) scale(1.06); }
}
@keyframes revCaret { 50% { opacity:0; } }

@keyframes revPageRevealLeft {
  0% { opacity: 0; transform: translateX(-34px) rotateY(16deg) scale(.985); filter: blur(3px) brightness(.92); }
  55% { opacity: 1; transform: translateX(8px) rotateY(-1deg) scale(1.002); filter: blur(.4px) brightness(1.02); }
  100% { opacity: 1; transform: rotateY(1.5deg) translateX(0) scale(1); filter: blur(0) brightness(1); }
}
@keyframes revPageRevealRight {
  0% { opacity: 0; transform: translateX(34px) rotateY(-16deg) scale(.985); filter: blur(3px) brightness(.92); }
  55% { opacity: 1; transform: translateX(-8px) rotateY(1deg) scale(1.002); filter: blur(.4px) brightness(1.02); }
  100% { opacity: 1; transform: rotateY(-1.5deg) translateX(0) scale(1); filter: blur(0) brightness(1); }
}
@keyframes revPageNextLeft {
  0% { opacity: .78; transform: rotateY(1.5deg) translateX(-6px) scale(1); filter: blur(0); }
  45% { opacity: .96; transform: translateX(-28px) rotateY(12deg) scale(.988); filter: blur(1.5px); }
  100% { opacity: 1; transform: rotateY(1.5deg) translateX(0) scale(1); filter: blur(0); }
}
@keyframes revPageNextRight {
  0% { opacity: .72; transform: translateX(26px) rotateY(-18deg) scale(.986); filter: blur(2px); }
  55% { opacity: 1; transform: translateX(-10px) rotateY(2deg) scale(1.002); filter: blur(.5px); }
  100% { opacity: 1; transform: rotateY(-1.5deg) translateX(0) scale(1); filter: blur(0); }
}
@keyframes revPagePrevLeft {
  0% { opacity: .72; transform: translateX(-26px) rotateY(18deg) scale(.986); filter: blur(2px); }
  55% { opacity: 1; transform: translateX(10px) rotateY(-2deg) scale(1.002); filter: blur(.5px); }
  100% { opacity: 1; transform: rotateY(1.5deg) translateX(0) scale(1); filter: blur(0); }
}
@keyframes revPagePrevRight {
  0% { opacity: .78; transform: rotateY(-1.5deg) translateX(6px) scale(1); filter: blur(0); }
  45% { opacity: .96; transform: translateX(28px) rotateY(-12deg) scale(.988); filter: blur(1.5px); }
  100% { opacity: 1; transform: rotateY(-1.5deg) translateX(0) scale(1); filter: blur(0); }
}
@keyframes revPageSettleLeft {
  0% { transform: translateY(8px) rotateY(4deg) scale(.996); opacity: .92; }
  60% { transform: translateY(-2px) rotateY(.5deg) scale(1.001); opacity: 1; }
  100% { transform: rotateY(1.5deg) translateY(0) scale(1); opacity: 1; }
}
@keyframes revPageSettleRight {
  0% { transform: translateY(8px) rotateY(-4deg) scale(.996); opacity: .92; }
  60% { transform: translateY(-2px) rotateY(-.5deg) scale(1.001); opacity: 1; }
  100% { transform: rotateY(-1.5deg) translateY(0) scale(1); opacity: 1; }
}
@keyframes revPageReflect {
  0% { transform: scale(1) translateY(0); filter: brightness(1) saturate(1); }
  35% { transform: scale(1.012) translateY(-2px); filter: brightness(1.12) saturate(1.08); }
  100% { transform: scale(1) translateY(0); filter: brightness(1) saturate(1); }
}
@keyframes revMirrorSweep {
  0% { opacity: 0; transform: translateX(-22%) skewX(-10deg); }
  25% { opacity: .95; }
  100% { opacity: 0; transform: translateX(22%) skewX(-10deg); }
}
@keyframes revGlass { from { transform: translateX(-25%); } to { transform: translateX(25%); } }
.landmark-reversal-footnote { margin-top:12px; padding-top:10px; border-top:1px solid rgba(165,138,84,.16); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:rgba(214,191,145,.72); }
html.rev-residue-archive .archive-card, html.rev-residue-witnessed .archive-card { box-shadow: inset 0 0 0 1px rgba(165,138,84,.18), 0 12px 30px rgba(0,0,0,.18); }
html.rev-residue-archive .archive-card .badges::after, html.rev-residue-witnessed .archive-card .badges::after { content:'WITNESSED COPY'; display:inline-flex; margin-left:8px; padding:2px 8px; border-radius:999px; border:1px solid rgba(165,138,84,.35); color:rgba(214,191,145,.88); font-size:10px; letter-spacing:.16em; text-transform:uppercase; }
@media (max-width: 900px) {
  .rev-center { height: auto; padding-top: 12px; }
  .rev-book-stage { height: auto; }
  .rev-spread { grid-template-columns: 1fr; }
  .rev-page-left, .rev-page-right { transform: none; }
  .rev-controls { border-radius: 22px; }
  .rev-head { grid-template-columns: 1fr; display: grid; }
}


.rev-page-sigil,
.rev-page-watermark {
  position: absolute;
  pointer-events: none;
}
.rev-page-sigil {
  top: 16px;
  right: 16px;
  width: 46px;
  height: 46px;
  opacity: .34;
  border: 1px solid rgba(187,154,96,.22);
  border-radius: 999px;
  box-shadow: inset 0 0 0 5px rgba(187,154,96,.05);
}
.rev-page-sigil::before,
.rev-page-sigil::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(187,154,96,.18);
  transform: rotate(45deg);
}
.rev-page-sigil::after {
  inset: 16px;
  border-radius: 999px;
  transform: none;
}
.rev-page-watermark {
  inset: auto 8% 10% auto;
  width: 160px;
  height: 160px;
  opacity: .07;
  filter: saturate(.8);
}
.rev-page-watermark::before {
  content: attr(data-word);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 34px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(190,160,108,.26);
  transform: rotate(-90deg);
}
.rev-page-watermark::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(190,160,108,.16);
  border-radius: 999px;
}
.rev-page[data-motif="mirror"] .rev-page-sigil,
.rev-page[data-motif="halo"] .rev-page-sigil,
.rev-page[data-motif="seal"] .rev-page-sigil {
  border-radius: 999px;
}
.rev-page[data-motif="mouth"] .rev-page-sigil,
.rev-page[data-motif="lung"] .rev-page-sigil,
.rev-page[data-motif="breath"] .rev-page-sigil {
  border-radius: 16px 16px 22px 22px;
}
.rev-page[data-motif="city"] .rev-page-sigil,
.rev-page[data-motif="tower"] .rev-page-sigil,
.rev-page[data-motif="altar"] .rev-page-sigil {
  border-radius: 4px;
}
.rev-page[data-motif="warning"] .rev-page-sigil {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  border-radius: 0;
}
.rev-page[data-motif="ink"] .rev-page-watermark::after,
.rev-page[data-motif="stomach"] .rev-page-watermark::after {
  border-radius: 34% 66% 58% 42% / 42% 41% 59% 58%;
}
.rev-page[data-motif="city"] .rev-page-watermark::after,
.rev-page[data-motif="tower"] .rev-page-watermark::after,
.rev-page[data-motif="altar"] .rev-page-watermark::after {
  border-radius: 6px;
}
.rev-page[data-motif="warning"] .rev-page-watermark::after {
  clip-path: polygon(50% 0%, 100% 100%, 0 100%);
  border-radius: 0;
}
.rev-spread[data-mode="reflected"] .rev-page-watermark {
  opacity: .12;
}
.rev-spread[data-mode="reflected"] .rev-page-watermark::before {
  color: rgba(176,196,236,.24);
}
.rev-spread[data-mode="reflected"] .rev-page-sigil {
  border-color: rgba(151,170,210,.24);
}

.rev-chamber.is-reflected .rev-cover-ring { border-color: rgba(151,170,210,.18); }
.rev-chamber.is-reflected .rev-cover-skyline { background: linear-gradient(180deg, rgba(172,194,236,.18), rgba(172,194,236,.07)); filter: drop-shadow(0 0 10px rgba(172,194,236,.10)); }
.rev-chamber.is-reflected .rev-cover-topline,
.rev-chamber.is-reflected .rev-cover-bottomline,
.rev-chamber.is-reflected .rev-cover-meta { color: rgba(197,211,236,.64); }
.rev-chamber.is-exhale-typing .rev-page-text::after {
  content: '▋';
  margin-left: 2px;
  color: rgba(214,191,145,.88);
  animation: revCaret 1s steps(1) infinite;
}

.rev-mutated-word {
  display: inline-block;
  position: relative;
  color: #f2dfb2;
  text-shadow: 0 0 0 rgba(242,223,178,0);
  animation: revMutatedPulse 1.45s ease 1;
  border-bottom: 1px solid rgba(214,191,145,.35);
}

.rev-mutated-word::after {
  content: '';
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: -1px;
  height: 55%;
  background: radial-gradient(circle at 50% 60%, rgba(214,191,145,.16), transparent 72%);
  pointer-events: none;
}

.rev-chamber.is-reflected .rev-mutated-word {
  color: #d8e5ff;
  border-bottom-color: rgba(176,196,236,.4);
  animation-name: revMutatedPulseReflected;
}

@keyframes revMutatedPulse {
  0% { color: #fff2d0; text-shadow: 0 0 0 rgba(255,238,197,0); filter: brightness(1); }
  18% { color: #fff6df; text-shadow: 0 0 10px rgba(255,233,173,.55), 0 0 22px rgba(214,191,145,.25); filter: brightness(1.12); }
  100% { color: #f2dfb2; text-shadow: 0 0 0 rgba(255,238,197,0); filter: brightness(1); }
}

@keyframes revMutatedPulseReflected {
  0% { color: #eef5ff; text-shadow: 0 0 0 rgba(233,244,255,0); filter: brightness(1); }
  18% { color: #ffffff; text-shadow: 0 0 10px rgba(190,220,255,.6), 0 0 22px rgba(176,196,236,.28); filter: brightness(1.14); }
  100% { color: #d8e5ff; text-shadow: 0 0 0 rgba(233,244,255,0); filter: brightness(1); }
}

@keyframes revBreathHalo {
  0% { opacity: .82; transform: scale(.96); filter: blur(12px); }
  26% { opacity: 1; transform: scale(1.04); filter: blur(16px); }
  100% { opacity: .9; transform: scale(1); filter: blur(12px); }
}
@keyframes revSmokeRiseA {
  0% { opacity: 0; transform: translate(-50%, 18%) scale(.72); }
  18% { opacity: .48; }
  58% { opacity: .26; transform: translate(-54%, -8%) scale(1.06); }
  100% { opacity: 0; transform: translate(-56%, -24%) scale(1.18); }
}
@keyframes revSmokeRiseB {
  0% { opacity: 0; transform: translate(-50%, 22%) scale(.68); }
  20% { opacity: .34; }
  60% { opacity: .18; transform: translate(-60%, -2%) scale(1.02); }
  100% { opacity: 0; transform: translate(-66%, -18%) scale(1.14); }
}
@keyframes revSmokeRiseC {
  0% { opacity: 0; transform: translate(-50%, 20%) scale(.66); }
  20% { opacity: .32; }
  62% { opacity: .16; transform: translate(-40%, -3%) scale(1.03); }
  100% { opacity: 0; transform: translate(-34%, -20%) scale(1.16); }
}
@keyframes revSmokeBase {
  0% { opacity: 0; transform: translate(-50%, 12%) scale(.82); }
  22% { opacity: .24; }
  72% { opacity: .12; transform: translate(-50%, -2%) scale(1.04); }
  100% { opacity: 0; transform: translate(-50%, -10%) scale(1.1); }
}