/* ================================================================
   WEDDING INVITATION — Luxury Gold Edition
   ================================================================ */

/* ================================================================
   1. Design Tokens
   ================================================================ */
:root {
  --paper:        #f5edda;
  --paper-card:   #fdf8ee;
  --paper-edge:   #d9c79a;
  --paper-deep:   #e8d9b5;
  --ink:          #2a2018;
  --ink-soft:     #7a6a55;
  --ink-muted:    #b0a08a;
  --gold-1:       #c9932a;
  --gold-2:       #f0c040;
  --gold-3:       #e8a820;
  --gold-foil:    linear-gradient(120deg,
                    #8b6510 0%,
                    #c9932a 18%,
                    #f0c040 38%,
                    #fffbe0 50%,
                    #f0c040 62%,
                    #c9932a 78%,
                    #8b6510 100%);
  --rose:         #b85c7c;
  --rose-light:   #f7d6e3;
  --blush:        #fdeef5;
  --wax-deep:     #6b1c2b;
  --wax-mid:      #9e2a3f;
  --wax-bright:   #c84060;
  --wax-shine:    rgba(255, 220, 220, 0.45);
}

/* ================================================================
   2. Reset & Base
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Lora', serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 80% at 50% 40%,
    rgba(252, 230, 170, 0.28) 0%,
    rgba(245, 237, 218, 0) 70%);
}

p { margin: 0; }

.journal {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ================================================================
   3. Petals Canvas
   ================================================================ */
.petals-canvas {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* ================================================================
   4. Top Navigation Controls
   ================================================================ */
.top-nav {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 8000;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px 7px 10px;
  border: 1px solid rgba(201, 147, 42, 0.45);
  border-radius: 30px;
  background: rgba(253, 248, 238, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--gold-1);
  font-family: 'Lora', serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background 0.2s ease, border-color 0.2s ease,
              color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 12px rgba(180, 130, 40, 0.12);
  white-space: nowrap;
}

.ctrl-btn:hover {
  background: rgba(253, 248, 238, 0.97);
  border-color: var(--gold-2);
  box-shadow: 0 4px 18px rgba(180, 130, 40, 0.22);
  transform: translateY(-1px);
}
.ctrl-btn:active { transform: translateY(0); }

.music-disc {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: conic-gradient(#1a1a1a 0deg 30deg, #333 30deg 60deg, #1a1a1a 60deg 90deg, #333 90deg 120deg, #1a1a1a 120deg 150deg, #333 150deg 180deg, #1a1a1a 180deg 210deg, #333 210deg 240deg, #1a1a1a 240deg 270deg, #333 270deg 300deg, #1a1a1a 300deg 330deg, #333 330deg 360deg);
  flex-shrink: 0;
}

.music-groove {
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: conic-gradient(#222 0deg 20deg, #444 20deg 40deg, #222 40deg 60deg, #444 60deg 80deg, #222 80deg 100deg, #444 100deg 120deg, #222 120deg 140deg, #444 140deg 160deg, #222 160deg 180deg, #444 180deg 200deg, #222 200deg 220deg, #444 220deg 240deg, #222 240deg 260deg, #444 260deg 280deg, #222 280deg 300deg, #444 300deg 320deg, #222 320deg 340deg, #444 340deg 360deg);
}

.music-center-dot {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-2);
  box-shadow: 0 0 0 1px #c9932a;
}

.music-btn.is-playing .music-disc {
  animation: spin-disc 3s linear infinite;
}
@keyframes spin-disc { to { transform: rotate(360deg); } }

.music-icon { font-size: 0.9rem; }
.music-label { font-size: 0.82rem; }

.petals-btn { padding: 7px 11px; }
.petals-icon {
  font-size: 1.1rem;
  line-height: 1;
  display: block;
  transition: transform 0.3s ease;
}
.petals-btn:hover .petals-icon { transform: rotate(15deg) scale(1.2); }
.petals-btn.is-off .petals-icon { opacity: 0.45; filter: grayscale(1); }

.replay-btn {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.2s ease, color 0.2s ease;
}
.replay-btn.is-shown { opacity: 1; pointer-events: auto; transform: none; }
.replay-icon { font-size: 1.1rem; line-height: 1; }

/* ================================================================
   5. Stage
   ================================================================ */
.stage {
  position: relative;
  height: 100vh;
  cursor: pointer;
  user-select: none;
  isolation: isolate;
}

.stage::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 90% 90% at 50% 50%, transparent 55%, rgba(42, 32, 24, 0.18) 100%);
}

.scene-host { position: absolute; inset: 0; }

/* ================================================================
   6. Scene
   ================================================================ */
.scene {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 4vw, 60px);
  padding: clamp(32px, 5vw, 64px) clamp(24px, 6vw, 80px);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

.scene.is-active { opacity: 1; pointer-events: auto; }
.scene--left  { flex-direction: row; }
.scene--right { flex-direction: row-reverse; }
.scene--top   { flex-direction: column; text-align: center; }

.scene-media {
  position: relative;
  flex: 0 0 auto;
  width: clamp(200px, 34vw, 400px);
  opacity: 0;
  transform: scale(0.94) translateY(28px);
  transition: opacity 1.1s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.scene.is-active .scene-media {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition-delay: 0.06s;
}

.scene.is-exiting .scene-media {
  opacity: 0;
  transform: scale(0.97) translateY(-16px);
  filter: blur(2px);
  transition: opacity 0.85s cubic-bezier(0.4, 0, 0.6, 1),
              transform 0.85s cubic-bezier(0.4, 0, 0.6, 1),
              filter 0.85s cubic-bezier(0.4, 0, 0.6, 1);
  transition-delay: 0s !important;
}

.scene-photo-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 3px;
  box-shadow:
    0 0 0 1px rgba(201, 147, 42, 0.35),
    0 0 0 4px var(--paper-card),
    0 0 0 5px rgba(201, 147, 42, 0.22),
    0 18px 48px rgba(42, 32, 24, 0.32),
    0 4px 12px rgba(42, 32, 24, 0.18);
}

.scene--top .scene-photo-frame { aspect-ratio: 4 / 3; }

.scene-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease-out;
}
.scene.is-active .scene-photo { transform: scale(1.04); }

.tape {
  position: absolute;
  width: 48px;
  height: 18px;
  background: rgba(240, 225, 185, 0.7);
  backdrop-filter: blur(2px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
  border-radius: 1px;
  z-index: 2;
}
.tape--a { top: -9px; left: 12px; transform: rotate(-8deg); }
.tape--b { bottom: -9px; right: 12px; transform: rotate(7deg); }
.scene.is-exiting .tape { opacity: 0; transition: opacity 0.5s ease; }

.scene-copy {
  flex: 1 1 360px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  max-width: 46ch;
}
.scene--top .scene-copy { align-items: center; max-width: 56ch; }

.scene-caption {
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.scene.is-active .scene-caption { opacity: 1; transform: translateY(0); transition-delay: 0.38s; }
.scene.is-exiting .scene-caption {
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 0.75s cubic-bezier(0.4, 0, 0.6, 1),
              transform 0.75s cubic-bezier(0.4, 0, 0.6, 1);
  transition-delay: 0s;
}

.scene-caption-script {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: var(--gold-1);
  line-height: 1.1;
  text-shadow: 0 2px 8px rgba(180, 130, 20, 0.22);
}

.scene-caption-small {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose);
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
}

.scene-typed {
  font-style: italic;
  font-family: 'Lora', serif;
  font-size: clamp(1.05rem, 2.2vw, 1.22rem);
  line-height: 1.72;
  color: var(--ink-soft);
  min-height: 1.72em;
}

/* ================================================================
   7. Click Hint
   ================================================================ */
.click-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transition: opacity 0.45s ease;
  white-space: nowrap;
}
.click-hint.is-shown {
  opacity: 0.78;
  animation: hint-bob 1.8s ease-in-out infinite;
}
.hint-hand-icon { font-size: 1.2rem; }
@keyframes hint-bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(5px); }
}

/* ================================================================
   8. Finale Book Wrap
   ================================================================ */
.book-wrap {
  --card-w: min(400px, 43vw);
  --card-h: min(560px, 76vh);
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  perspective: 2000px;
  perspective-origin: center center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.1s ease;
}
.book-wrap.is-shown { opacity: 1; pointer-events: auto; z-index: 10; }

/* Ẩn điều hướng lật bài mobile trên màn hình máy tính / màn rộng */
.mobile-card-nav,
.mobile-flip-bar {
  display: none;
}

.finale-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.floral-garland { width: min(280px, 60vw); color: var(--gold-1); opacity: 0.7; margin-bottom: 2px; }
.garland-svg { width: 100%; height: auto; filter: drop-shadow(0 1px 3px rgba(180, 130, 20, 0.2)); }

.finale-heading {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--gold-1);
  text-shadow: 0 2px 10px rgba(180, 130, 20, 0.3);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}
.book-wrap.is-shown .finale-heading { opacity: 1; transform: translateY(0); }

.finale-subheading {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rose);
  opacity: 0;
  transition: opacity 0.8s ease 0.6s;
}
.book-wrap.is-shown .finale-subheading { opacity: 1; }

/* ================================================================
   9. 3D Book
   ================================================================ */
.book {
  position: relative;
  width: var(--card-w);
  height: var(--card-h);
  transform-style: preserve-3d;
  transform: translateX(0) rotate(2deg);
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  cursor: pointer;
}
.book-wrap.is-open .book { transform: translateX(calc(var(--card-w) / 2)) rotate(0deg); }

.book-leaf {
  position: absolute;
  inset: 0;
  transform-origin: left center;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 5;
}
.book-wrap.is-open .book-leaf { transform: rotateY(-180deg); }

.book-leaf-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 3px;
}

/* ================================================================
   10. Cover
   ================================================================ */
.book-leaf-front {
  transform: rotateY(0deg);
  z-index: 2;
  background: var(--paper-card);
  box-shadow: 0 20px 60px rgba(42, 32, 24, 0.35), 0 4px 12px rgba(42, 32, 24, 0.15);
  border-radius: 2px 4px 4px 2px;
  overflow: hidden;
}
.book-wrap.is-open .book-leaf-front { pointer-events: none; }

.cover-card {
  width: 100%;
  height: 100%;
  padding: 14px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, rgba(201, 147, 42, 0.08) 0%, transparent 50%, rgba(201, 147, 42, 0.06) 100%);
}

.corner-filigree {
  position: absolute;
  width: 52px;
  height: 52px;
  color: var(--gold-1);
  opacity: 0.75;
  filter: drop-shadow(0 1px 2px rgba(180, 130, 20, 0.2));
}
.corner-filigree--tl { top: 8px; left: 8px; }
.corner-filigree--tr { top: 8px; right: 8px; transform: scaleX(-1); }
.corner-filigree--bl { bottom: 8px; left: 8px; transform: scaleY(-1); }
.corner-filigree--br { bottom: 8px; right: 8px; transform: scale(-1); }

.cover-inner-border {
  flex: 1;
  border: 1px solid rgba(201, 147, 42, 0.45);
  border-radius: 2px;
  padding: clamp(16px, 2.8vw, 28px) clamp(14px, 2.4vw, 22px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse 80% 70% at 50% 45%, rgba(255, 251, 240, 0.55) 0%, transparent 80%);
  box-sizing: border-box;
  overflow: hidden;
}

.cover-inner-border::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 0%, transparent 40%, rgba(255, 251, 230, 0.22) 50%, transparent 60%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer-sweep 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shimmer-sweep {
  0%   { background-position: 200% 0; }
  40%  { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.cover-eyebrow {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-1);
  font-weight: 600;
}

/* ================================================================
   11. Wax Seal
   ================================================================ */
.wax-seal { position: relative; width: 70px; height: 70px; flex-shrink: 0; }

.wax-seal-body {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at 38% 35%, var(--wax-bright) 0%, var(--wax-mid) 40%, var(--wax-deep) 100%);
  box-shadow: 0 4px 16px rgba(107, 28, 43, 0.5), 0 2px 6px rgba(107, 28, 43, 0.3), inset 0 1px 2px rgba(255, 160, 160, 0.2);
}

.wax-seal-rim {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, rgba(200, 64, 96, 0.5) 0%, rgba(158, 42, 63, 0.4) 50%, rgba(107, 28, 43, 0.6) 100%);
  clip-path: polygon(50% 0%, 61% 10%, 74% 5%, 78% 18%, 90% 20%, 88% 33%, 98% 40%, 93% 52%, 100% 62%, 90% 69%, 92% 80%, 80% 83%, 76% 95%, 63% 93%, 55% 100%, 46% 93%, 33% 97%, 29% 84%, 17% 83%, 19% 70%, 9% 63%, 16% 52%, 11% 40%, 21% 33%, 19% 20%, 32% 19%, 35% 6%, 48% 10%);
}

.wax-seal-core { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }

.wax-monogram {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: rgba(255, 230, 210, 0.95);
  letter-spacing: 0.05em;
  line-height: 1;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.wax-heart { font-size: 0.5rem; color: rgba(255, 200, 200, 0.85); line-height: 1; margin-top: 2px; }

.wax-seal-shine {
  position: absolute;
  width: 40%;
  height: 35%;
  top: 12%;
  left: 18%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, var(--wax-shine) 0%, transparent 100%);
  transform: rotate(-20deg);
}

.cover-kicker-wrap { display: flex; align-items: center; gap: 10px; width: 100%; justify-content: center; }
.kicker-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, var(--gold-1), transparent); max-width: 50px; }
.book-cover-kicker {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-1);
  font-weight: 600;
}

.book-cover-names {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(2rem, 4.8vw, 3rem);
  line-height: 1.05;
  background: var(--gold-foil);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gold-shimmer 5s ease-in-out infinite;
  filter: drop-shadow(0 2px 6px rgba(180, 130, 20, 0.25));
}
@keyframes gold-shimmer {
  0%   { background-position: 0% center; }
  50%  { background-position: 100% center; }
  100% { background-position: 0% center; }
}
.book-cover-names .amp { font-size: 0.8em; margin: 0 4px; opacity: 0.85; }

.cover-invitation-note { font-family: 'Lora', serif; font-size: 0.86rem; font-style: italic; color: var(--ink-soft); letter-spacing: 0.02em; }

.cover-divider-flourish { display: flex; align-items: center; gap: 8px; width: 80%; justify-content: center; }
.div-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, rgba(201, 147, 42, 0.6), transparent); }
.div-diamond { font-size: 0.6rem; color: var(--gold-1); opacity: 0.8; }

.book-cover-date { font-family: 'Cormorant Garamond', serif; font-size: 1.05rem; letter-spacing: 0.2em; color: var(--ink); font-weight: 600; }
.cover-lunar-date { font-family: 'Cormorant Garamond', serif; font-size: 0.72rem; letter-spacing: 0.06em; color: var(--ink-muted); font-style: italic; }

.cover-hint-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(201, 147, 42, 0.4);
  border-radius: 20px;
  background: rgba(201, 147, 42, 0.06);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: var(--gold-1);
  animation: hint-breathe 2.2s ease-in-out infinite;
}
@keyframes hint-breathe { 0%, 100% { opacity: 0.75; } 50% { opacity: 1; } }

.hint-pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold-1);
  box-shadow: 0 0 0 0 rgba(201, 147, 42, 0.5);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(201, 147, 42, 0.5); }
  60%  { box-shadow: 0 0 0 7px rgba(201, 147, 42, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 147, 42, 0); }
}
.hint-chevron { font-size: 0.7rem; opacity: 0.6; animation: hint-nudge 2.2s ease-in-out infinite; }
@keyframes hint-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(3px); } }

/* ================================================================
   12. Inside Pages
   ================================================================ */
.book-page {
  position: absolute;
  inset: 0;
  padding: clamp(16px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  box-sizing: border-box;
  background: var(--paper-card);
}

.page-ornament-corner { position: absolute; width: 32px; height: 32px; border-color: rgba(201, 147, 42, 0.35); border-style: solid; border-width: 0; }
.page-ornament--tl { top: 10px; left: 10px; border-top-width: 1.5px; border-left-width: 1.5px; }
.page-ornament--tr { top: 10px; right: 10px; border-top-width: 1.5px; border-right-width: 1.5px; }

.book-leaf-back {
  transform: rotateY(180deg);
  z-index: 1;
  box-shadow: 0 20px 60px rgba(42, 32, 24, 0.28), 0 4px 12px rgba(42, 32, 24, 0.14);
  border-radius: 4px 0 0 4px;
  border-right: none;
  pointer-events: none;
}
.book-wrap.is-open .book-leaf-back { pointer-events: auto; }

.book-page--right {
  box-shadow: 0 20px 60px rgba(42, 32, 24, 0.28), 0 4px 12px rgba(42, 32, 24, 0.14);
  border-radius: 0 4px 4px 0;
  border-left: none;
  z-index: 1;
}

.page-monogram-badge { display: flex; align-items: center; justify-content: center; gap: 6px; margin-bottom: 2px; }
.mono-initial {
  font-family: 'Great Vibes', cursive;
  font-size: 1.6rem;
  background: var(--gold-foil);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gold-shimmer 5s ease-in-out infinite;
}
.mono-ring { font-size: 1rem; line-height: 1; }

.wedding-time-card {
  background: linear-gradient(135deg, rgba(201, 147, 42, 0.07) 0%, transparent 100%);
  border: 1px solid rgba(201, 147, 42, 0.3);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.time-card-badge { font-family: 'Cormorant Garamond', serif; font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-1); font-weight: 600; }
.time-card-hero { display: flex; align-items: center; justify-content: center; gap: 8px; }
.time-clock-icon { font-size: 1.1rem; line-height: 1; }
.time-hero-digits { font-family: 'Playfair Display', serif; font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 700; color: var(--ink); letter-spacing: 0.05em; }
.time-full-date { font-family: 'Lora', serif; font-size: 1rem; font-weight: 500; color: var(--ink-soft); }
.time-lunar-date { font-family: 'Lora', serif; font-size: 0.82rem; color: var(--ink-muted); font-style: italic; }

.rsvp-card {
  border: 1px solid rgba(184, 92, 124, 0.25);
  border-radius: 6px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(247, 214, 227, 0.25) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rsvp-card-header { display: flex; align-items: center; gap: 6px; }
.rsvp-icon { font-size: 1rem; line-height: 1; }
.detail-label { font-family: 'Cormorant Garamond', serif; font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--rose); font-weight: 600; }
.rsvp-contact-line { font-family: 'Lora', serif; font-size: 1rem; font-weight: 500; color: var(--ink-soft); padding-left: 22px; }

.details-note { font-family: 'Lora', serif; font-style: italic; color: var(--ink-soft); font-size: 1rem; line-height: 1.5; text-align: center; }
.detail-item { display: flex; flex-direction: column; gap: 2px; }
.detail-value { font-size: 1rem; font-weight: 500; color: var(--ink); font-family: 'Lora', serif; }
.details-thanks { font-family: 'Lora', serif; font-size: 1rem; line-height: 1.7; color: var(--ink-soft); font-style: italic; }

.album-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid rgba(201, 147, 42, 0.5);
  border-radius: 4px;
  background: transparent;
  color: var(--gold-1);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.album-btn:hover { background: var(--gold-1); color: var(--paper-card); }
.album-btn-icon { font-size: 1rem; line-height: 1; }
.album-btn-shine { font-size: 0.75rem; opacity: 0.7; animation: sparkle-spin 3s linear infinite; }
@keyframes sparkle-spin { 0% { transform: rotate(0deg) scale(1); } 50% { transform: rotate(180deg) scale(1.3); } 100% { transform: rotate(360deg) scale(1); } }

.signature-block { display: flex; flex-direction: column; gap: 6px; margin-top: auto; padding-top: 6px; }
.sig-line { height: 1px; background: linear-gradient(to right, transparent, rgba(201, 147, 42, 0.4), transparent); }
.details-signature { font-family: 'Great Vibes', cursive; font-size: 1.05rem; color: var(--gold-1); text-align: center; letter-spacing: 0.03em; }

.book-spine { position: absolute; top: 0; left: 0; width: 10px; height: 100%; transform: translateX(-50%); z-index: 6; pointer-events: none; opacity: 0; transition: opacity 0.7s ease; }
.book-wrap.is-open .book-spine { opacity: 1; }
.spine-ribbon { width: 100%; height: 100%; background: linear-gradient(to right, rgba(42, 32, 24, 0.22), rgba(201, 147, 42, 0.1), rgba(42, 32, 24, 0.22)); }

/* ================================================================
   13. Right Page — Venue
   ================================================================ */
.home-toggle { display: flex; gap: 8px; }
.home-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--paper-edge);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.home-btn.is-active { background: linear-gradient(135deg, var(--gold-1), var(--gold-3)); border-color: var(--gold-1); color: #fff; box-shadow: 0 2px 8px rgba(180, 130, 20, 0.25); }
.home-avatar { font-size: 1rem; line-height: 1; }

.map-gold-frame {
  position: relative;
  flex: 1;
  min-height: 150px;
  border: 1px solid rgba(201, 147, 42, 0.4);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 0 0 3px var(--paper-card), 0 2px 12px rgba(42, 32, 24, 0.1);
}
.map-venue-tag {
  position: absolute;
  top: 8px; left: 8px;
  z-index: 1;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(253, 248, 238, 0.92);
  backdrop-filter: blur(6px);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--gold-1);
  font-weight: 600;
  box-shadow: 0 1px 6px rgba(42, 32, 24, 0.14);
}
.map-gold-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: sepia(8%) saturate(88%); }

.venue-info-box { display: flex; flex-direction: column; gap: 6px; }
.venue-address-row { display: flex; align-items: flex-start; gap: 6px; }
.venue-pin-icon { font-size: 0.9rem; line-height: 1.4; flex-shrink: 0; }
.footer-map-address { font-family: 'Lora', serif; font-size: 0.95rem; line-height: 1.55; color: var(--ink-soft); }

.map-direct-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid rgba(201, 147, 42, 0.45);
  border-radius: 4px;
  background: linear-gradient(135deg, rgba(201, 147, 42, 0.07) 0%, transparent 100%);
  color: var(--gold-1);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
  align-self: flex-start;
}
.map-direct-btn:hover { background: rgba(201, 147, 42, 0.14); border-color: var(--gold-2); }
.map-direct-icon { font-size: 0.9rem; line-height: 1; }
.map-direct-arrow { font-size: 0.85rem; opacity: 0.7; transition: transform 0.2s ease; }
.map-direct-btn:hover .map-direct-arrow { transform: translate(2px, -2px); }

/* ================================================================
   14. Album Modal
   ================================================================ */
.album-modal {
  position: fixed;
  inset: 0;
  z-index: 7000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(24, 18, 12, 0.78);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  cursor: default;
}
.album-modal.is-open { opacity: 1; pointer-events: auto; }

.album-sheet {
  position: relative;
  width: min(94vw, 780px);
  max-height: 88vh;
  background: var(--paper);
  padding: 52px 28px 28px;
  border-radius: 4px;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(24, 18, 12, 0.4);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.album-modal.is-open .album-sheet { transform: scale(1) translateY(0); }

.album-close {
  position: absolute;
  top: 12px; right: 16px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(201, 147, 42, 0.4);
  background: var(--paper-card);
  color: var(--gold-1);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.album-close:hover { background: var(--gold-1); color: var(--paper-card); }

.album-header { text-align: center; margin-bottom: 20px; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.album-decor-leaf { font-size: 1.4rem; line-height: 1; animation: leaf-sway 3s ease-in-out infinite; }
@keyframes leaf-sway { 0%, 100% { transform: rotate(-5deg); } 50% { transform: rotate(5deg); } }

.album-title {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--gold-foil);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gold-shimmer 5s ease-in-out infinite;
}
.album-subtitle { font-family: 'Cormorant Garamond', serif; font-size: 0.85rem; color: var(--ink-muted); font-style: italic; letter-spacing: 0.06em; }

.album-pile { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px 18px; padding: 10px; }

.album-card {
  width: 145px;
  background: var(--paper-card);
  padding: 8px 8px 22px;
  box-shadow: 0 6px 20px rgba(42, 32, 24, 0.22), 0 2px 6px rgba(42, 32, 24, 0.12);
  transform: rotate(var(--r, 0deg));
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease;
  cursor: pointer;
}
.album-card:hover { transform: rotate(0deg) scale(1.06) translateY(-4px); box-shadow: 0 18px 40px rgba(42, 32, 24, 0.3), 0 4px 12px rgba(42, 32, 24, 0.18); z-index: 10; }
.album-photo { width: 100%; aspect-ratio: 3 / 4; background-size: cover; background-position: center; }

/* ================================================================
   15. Responsive (Chế độ màn hình di động & màn hẹp)
   ================================================================ */
@media (max-width: 860px) {
  body { overflow-y: auto; }
  .stage { height: 100dvh; }
  .scene { flex-direction: column !important; gap: 20px; padding: 40px 20px 24px; overflow-y: auto; }
  .scene-copy { align-items: center !important; text-align: center; }
  .scene-media { width: min(78vw, 320px); flex: 0 0 auto; }

  /* Navigation Bar & Header trên Mobile */
  .top-nav { top: 8px; right: 8px; gap: 6px; }
  .ctrl-btn { padding: 5px 8px; font-size: 0.74rem; }
  .music-disc { width: 16px; height: 16px; }

  .finale-header { gap: 2px; }
  .floral-garland { width: min(220px, 55vw); margin-bottom: 0; }
  .finale-heading { font-size: clamp(1.8rem, 5.5vw, 2.3rem); margin: 0; }
  .finale-subheading { font-size: 0.74rem; letter-spacing: 0.12em; }

  /* Book Wrap trên Mobile: Trung tâm, thẻ bài độc lập, không mở ngang */
  .book-wrap {
    --card-w: min(345px, 90vw);
    --card-h: min(570px, 75dvh);
    padding: 10px 10px 14px;
    gap: 8px;
    perspective: 1200px;
    perspective-origin: center center;
    justify-content: center;
  }

  /* Khung điều hướng 3 trang thẻ bài */
  .mobile-card-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 20;
    margin-bottom: 2px;
  }

  .mobile-nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(201, 147, 42, 0.4);
    background: rgba(253, 248, 238, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--ink-soft);
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(42, 32, 24, 0.08);
    transition: all 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .mobile-nav-pill.is-active {
    background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
    color: #fff;
    border-color: var(--gold-1);
    box-shadow: 0 3px 12px rgba(180, 130, 20, 0.35);
    transform: translateY(-1px) scale(1.04);
  }

  .mobile-nav-pill:not(.is-active):hover {
    background: rgba(201, 147, 42, 0.15);
    border-color: var(--gold-1);
  }

  .pill-icon { font-size: 0.82rem; line-height: 1; }

  /* Thanh gợi ý lật thẻ bài */
  .mobile-flip-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 2px;
    z-index: 20;
  }

  .flip-hint-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 15px;
    border-radius: 22px;
    background: rgba(253, 248, 238, 0.95);
    border: 1px solid rgba(201, 147, 42, 0.45);
    box-shadow: 0 4px 14px rgba(42, 32, 24, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    animation: hint-pill-pulse 2.2s ease-in-out infinite;
    user-select: none;
    -webkit-user-select: none;
  }

  @keyframes hint-pill-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 4px 14px rgba(42, 32, 24, 0.1); }
    50% { transform: scale(1.02); box-shadow: 0 6px 20px rgba(180, 130, 20, 0.28); border-color: var(--gold-1); }
  }

  .flip-hint-icon {
    font-size: 0.9rem;
    animation: hand-bounce 1.4s ease-in-out infinite alternate;
  }

  @keyframes hand-bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-3px); }
  }

  .flip-hint-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--gold-1);
  }

  .flip-hint-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 7px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.04em;
  }

  /* Khung thẻ bài 3D trên Mobile */
  .book {
    position: relative !important;
    width: var(--card-w) !important;
    height: var(--card-h) !important;
    transform: none !important;
    transform-style: preserve-3d !important;
    perspective: 1200px !important;
    perspective-origin: center center !important;
    margin: 0 auto;
    cursor: pointer;
  }

  /* Khi mở trên desktop thì book-wrap có .is-open, nhưng trên mobile KHÔNG dịch chuyển */
  .book-wrap.is-open .book {
    transform: none !important;
    width: var(--card-w) !important;
    height: var(--card-h) !important;
    display: block !important;
    overflow: visible !important;
  }

  /* Cánh thiệp và sống gáy */
  .book-leaf {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
    transform-style: preserve-3d !important;
    pointer-events: none !important;
    z-index: 2 !important;
  }

  .book-wrap.is-open .book-leaf {
    transform: none !important;
    position: absolute !important;
    inset: 0 !important;
  }

  .book-spine {
    display: none !important;
  }

  /* ================================================================
     HIỆU ỨNG LẬT THẺ BÀI 3D (3-Card Flip Mechanism)
     Mỗi trang là 1 lá bài độc lập:
     - Thẻ 0: Bìa thiệp (.book-leaf-front)
     - Thẻ 1: Thông tin hôn lễ (.book-leaf-back)
     - Thẻ 2: Bản đồ chỉ đường (.book-page--right)
     ================================================================ */
  .book-leaf-front,
  .book-leaf-back,
  .book-page--right {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 8px !important;
    border: 1px solid rgba(201, 147, 42, 0.38) !important;
    box-shadow: 0 16px 44px rgba(42, 32, 24, 0.24), 0 3px 10px rgba(42, 32, 24, 0.12) !important;
    backface-visibility: hidden !important;
    -webkit-backface-visibility: hidden !important;
    transform-origin: center center !important;
    transform-style: preserve-3d !important;
    transition: transform 0.65s cubic-bezier(0.34, 1.25, 0.64, 1), opacity 0.45s ease, filter 0.45s ease !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    box-sizing: border-box !important;
  }

  /* Thanh cuộn tinh tế bên trong thẻ bài nếu nội dung dài trên màn hình nhỏ */
  .book-leaf-front::-webkit-scrollbar,
  .book-leaf-back::-webkit-scrollbar,
  .book-page--right::-webkit-scrollbar {
    width: 4px;
  }
  .book-leaf-front::-webkit-scrollbar-thumb,
  .book-leaf-back::-webkit-scrollbar-thumb,
  .book-page--right::-webkit-scrollbar-thumb {
    background: rgba(201, 147, 42, 0.3);
    border-radius: 4px;
  }

  /* Trạng thái 0: Hiển thị Bìa thiệp */
  #book[data-mobile-card="0"] .book-leaf-front,
  #book:not([data-mobile-card]) .book-leaf-front {
    transform: rotateY(0deg) scale(1) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 6 !important;
    filter: brightness(1) !important;
  }
  #book[data-mobile-card="0"] .book-leaf-back,
  #book:not([data-mobile-card]) .book-leaf-back {
    transform: rotateY(90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }
  #book[data-mobile-card="0"] .book-page--right,
  #book:not([data-mobile-card]) .book-page--right {
    transform: rotateY(-90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }

  /* Trạng thái 1: Lật sang Thẻ Thông tin hôn lễ */
  #book[data-mobile-card="1"] .book-leaf-front {
    transform: rotateY(-90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }
  #book[data-mobile-card="1"] .book-leaf-back {
    transform: rotateY(0deg) scale(1) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 6 !important;
    filter: brightness(1) !important;
  }
  #book[data-mobile-card="1"] .book-page--right {
    transform: rotateY(90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }

  /* Trạng thái 2: Lật tiếp sang Thẻ Bản đồ định vị */
  #book[data-mobile-card="2"] .book-leaf-front {
    transform: rotateY(90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }
  #book[data-mobile-card="2"] .book-leaf-back {
    transform: rotateY(-90deg) scale(0.92) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 1 !important;
    filter: brightness(0.85) !important;
  }
  #book[data-mobile-card="2"] .book-page--right {
    transform: rotateY(0deg) scale(1) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 6 !important;
    filter: brightness(1) !important;
  }

  /* ================================================================
     CHI TIẾT NỘI DUNG VÀ TYPOGRAPHY TỪNG THẺ BÀI TRÊN MOBILE
     ================================================================ */

  /* --- THẺ 0: Bìa thiệp --- */
  .cover-card {
    padding: 14px 12px;
    gap: 8px;
  }
  .corner-filigree {
    width: 36px;
    height: 36px;
  }
  .cover-inner-border {
    padding: 16px 12px 14px;
    gap: 6px;
  }
  .cover-eyebrow {
    font-size: 0.65rem;
    letter-spacing: 0.22em;
  }
  .wax-seal {
    width: 52px;
    height: 52px;
    margin: 2px 0;
  }
  .wax-monogram {
    font-size: 0.95rem;
  }
  .book-cover-kicker {
    font-size: 0.78rem;
  }
  .book-cover-names {
    font-size: clamp(1.5rem, 5.2vw, 1.95rem);
    line-height: 1.25;
  }
  .cover-invitation-note {
    font-size: 0.85rem;
  }
  .book-cover-date {
    font-size: 1.15rem;
    letter-spacing: 0.15em;
  }
  .cover-lunar-date {
    font-size: 0.74rem;
  }
  .cover-hint-badge {
    padding: 5px 12px;
    font-size: 0.74rem;
    gap: 6px;
  }

  /* --- THẺ 1: Thông tin hôn lễ --- */
  .book-page {
    padding: 14px 13px;
    gap: 7px;
  }
  .page-ornament-corner {
    width: 24px;
    height: 24px;
  }
  .page-monogram-badge {
    margin-bottom: 0;
    gap: 4px;
  }
  .mono-initial {
    font-size: 1.35rem;
  }
  .mono-ring {
    font-size: 0.85rem;
  }
  .details-note {
    font-size: 0.86rem;
    line-height: 1.35;
  }
  .wedding-time-card {
    padding: 8px 10px;
    gap: 2px;
  }
  .time-card-badge {
    font-size: 0.64rem;
    letter-spacing: 0.16em;
  }
  .time-clock-icon {
    font-size: 0.95rem;
  }
  .time-hero-digits {
    font-size: 1.55rem;
    font-weight: 700;
  }
  .time-full-date {
    font-size: 0.88rem;
    font-weight: 600;
  }
  .time-lunar-date {
    font-size: 0.75rem;
  }
  .rsvp-card {
    padding: 6px 10px;
    gap: 2px;
  }
  .detail-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
  }
  .rsvp-contact-line {
    font-size: 0.88rem;
    font-weight: 600;
    padding-left: 20px;
  }
  .details-thanks {
    font-size: 0.85rem;
    line-height: 1.4;
  }
  .album-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    margin: 2px auto;
  }
  .signature-block {
    padding-top: 3px;
    gap: 4px;
  }
  .details-signature {
    font-size: 0.95rem;
  }

  /* --- THẺ 2: Bản đồ chỉ đường --- */
  .book-page--right {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .home-toggle {
    gap: 6px;
    flex-shrink: 0;
  }
  .home-btn {
    padding: 7px 8px;
    font-size: 0.78rem;
    gap: 4px;
  }
  .home-avatar {
    font-size: 0.9rem;
  }
  .map-gold-frame {
    flex: 1;
    min-height: 175px;
    max-height: 230px;
  }
  .map-venue-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
  }
  .venue-info-box {
    gap: 5px;
    flex-shrink: 0;
  }
  .venue-pin-icon {
    font-size: 0.82rem;
  }
  .footer-map-address {
    font-size: 0.85rem;
    line-height: 1.35;
  }
  .map-direct-btn {
    padding: 7px 12px;
    font-size: 0.8rem;
    align-self: stretch;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .book-wrap {
    --card-w: min(325px, 92vw);
    --card-h: min(540px, 74dvh);
  }
  .music-label { display: none; }
  .replay-btn span:last-child { display: none; }
  .home-btn-label { font-size: 0.72rem; }
  .mobile-nav-pill { padding: 5px 9px; font-size: 0.76rem; }
  .flip-hint-pill { padding: 5px 12px; }
  .flip-hint-text { font-size: 0.78rem; }
}

/* ================================================================
   16. Reduced Motion
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  .scene-media, .scene-caption, .book-leaf, .book, .book-wrap, .click-hint, .album-card, .album-sheet {
    transition: none !important;
    animation: none !important;
  }
  .music-btn.is-playing .music-disc { animation: none !important; }
}