:root{
  --paper:#F6EFDC;
  --paper-2:#FBF6E8;
  --ink:#3F2D18;
  --ink-soft:#6B563A;
  --gold:#C99A3E;
  --gold-soft:#EBCB84;
  --leaf:#4E6A3A;
  --shadow:0 18px 50px -22px rgba(63,45,24,.45);
  --r:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, #FFFBF0 0%, transparent 60%),
    radial-gradient(900px 500px at 110% 110%, #F0E4C6 0%, transparent 55%),
    var(--paper);
  color:var(--ink);
  font-family:"Nunito",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;display:flex;flex-direction:column;
}
.book{flex:1;display:flex;flex-direction:column;justify-content:center}

/* ---------- top bar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.15rem clamp(1rem,4vw,3rem);
}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.mark{width:30px;height:30px;color:var(--gold);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-family:"Baloo 2";font-size:1.02rem;letter-spacing:.01em}
.brand-text i{font-style:normal;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.tag{
  font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-soft);
  border:1px solid rgba(201,154,62,.45);border-radius:999px;padding:.4rem .8rem;white-space:nowrap;
}

/* ---------- spread ---------- */
.book{max-width:1260px;margin:0 auto;padding:0 clamp(1rem,4vw,3rem) 2rem}
.spread{
  display:grid;grid-template-columns:1.18fr 1fr;gap:clamp(1rem,2.4vw,2rem);
  align-items:stretch;
}

.art{
  position:relative;border-radius:var(--r);overflow:hidden;
  background:#E8DDC0;box-shadow:var(--shadow);aspect-ratio:16/9;
}
.art-video{width:100%;height:100%;object-fit:cover;display:block}
.art-frame{
  position:absolute;inset:10px;border:1px solid rgba(255,255,255,.35);border-radius:10px;pointer-events:none;
  box-shadow:inset 0 0 60px rgba(63,45,24,.18);
}

.play{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:.55rem;
  border:0;cursor:pointer;
  padding:.62rem 1.05rem .62rem .8rem;border-radius:999px;
  background:rgba(255,251,240,.93);color:var(--ink);
  font-family:"Baloo 2";font-size:.95rem;
  box-shadow:0 8px 22px -8px rgba(63,45,24,.6);
  backdrop-filter:blur(6px);
  transition:transform .18s ease, background .18s ease;
}
.play:hover{transform:translateY(-2px);background:#fff}
.play:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.play svg{width:20px;height:20px;color:var(--gold)}
.ico-pause{display:none}
.play.playing .ico-play{display:none}
.play.playing .ico-pause{display:block}

.progress{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(63,45,24,.18)}
.progress span{display:block;height:100%;width:0;background:var(--gold);transition:width .12s linear}

/* ---------- text page ---------- */
.text{
  position:relative;
  background:
    linear-gradient(180deg,var(--paper-2),#F5EDD9);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:clamp(1.7rem,3vw,2.5rem) clamp(1.7rem,3vw,2.6rem) clamp(2.6rem,4vw,3.2rem);
  display:flex;flex-direction:column;
}
.text::after{
  content:"";position:absolute;inset:11px;border:1px solid rgba(201,154,62,.55);border-radius:10px;pointer-events:none;
}
.kicker{
  margin:0;text-align:center;font-family:"Baloo 2";font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;color:var(--gold);
  font-size:clamp(.82rem,1.2vw,.95rem);
}
.rule{display:flex;align-items:center;justify-content:center;gap:.5rem;margin:.75rem 0 clamp(1.2rem,3vw,2rem)}
.rule span{display:block;width:clamp(42px,6vw,70px);height:1px;background:var(--gold)}
.rule i{width:5px;height:5px;border-radius:50%;background:var(--gold)}

.verse{margin:0 0 clamp(1.3rem,2.4vw,2rem);display:flex;flex-direction:column;gap:.1rem}
.verse .line{
  font-style:italic;color:var(--ink);
  font-size:clamp(1.08rem,1.62vw,1.4rem);line-height:1.5;
  opacity:.28;transition:opacity .5s ease,color .5s ease;
}
.verse .line.pad{margin-top:1.1rem}
.nb{white-space:nowrap}
.verse .line.lit{opacity:1}

.lesson{
  margin-top:auto;margin-bottom:.6rem;
  background:linear-gradient(180deg,var(--gold-soft),#E2BC6A);
  border-radius:12px;padding:.9rem 1.1rem;text-align:center;
  box-shadow:0 6px 18px -10px rgba(63,45,24,.7);
  opacity:.4;transform:translateY(6px);
  transition:opacity .55s ease,transform .55s ease;
}
.lesson.lit{opacity:1;transform:none}
.lesson-title{
  display:block;font-family:"Baloo 2";font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:#5B421C;
}
.lesson p{margin:.3rem 0 0;font-weight:600;font-size:clamp(.95rem,1.4vw,1.08rem);color:#42300F}
.pagenum{
  position:absolute;left:50%;transform:translateX(-50%);bottom:16px;margin:0;
  font-family:"Baloo 2";font-size:.8rem;color:var(--ink-soft);
  width:26px;height:26px;display:grid;place-items:center;
  border:1px solid rgba(201,154,62,.6);border-radius:50%;
}

/* ---------- pager ---------- */
.pager{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  margin-top:1.4rem;
}
.ghost{
  background:transparent;border:1px solid rgba(201,154,62,.5);color:var(--ink-soft);
  font-family:"Baloo 2";font-size:.9rem;padding:.5rem 1rem;border-radius:999px;cursor:pointer;
}
.ghost:disabled{opacity:.4;cursor:not-allowed}
.dots{display:flex;align-items:center;gap:.5rem;font-size:.78rem;color:var(--ink-soft);letter-spacing:.06em}
.dots i{width:7px;height:7px;border-radius:50%;background:rgba(201,154,62,.4)}
.dots i.on{background:var(--gold);transform:scale(1.25)}
.dots span{margin-left:.5rem}

.foot{
  text-align:center;padding:0 1rem 3rem;color:var(--ink-soft);font-size:.82rem;
}
.foot p{margin:.2rem 0}
.foot .muted{opacity:.7;font-style:italic}

@media (max-width:600px){
  .tag{display:none}
  .topbar{padding:1rem 1.1rem .4rem}
}
@media (max-width:900px){
  .spread{grid-template-columns:1fr}
  .text{min-height:auto}
  .dots span{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* ---------- multi-page additions ---------- */
.topright{display:flex;gap:.5rem;align-items:center}
.chip{
  font-family:"Baloo 2";font-size:.8rem;letter-spacing:.02em;
  color:var(--ink-soft);background:transparent;cursor:pointer;
  border:1px solid rgba(201,154,62,.5);border-radius:999px;padding:.42rem .9rem;
  transition:background .18s ease,color .18s ease;
}
.chip:hover{background:rgba(201,154,62,.14)}
.chip.on{background:var(--gold);color:#fff;border-color:var(--gold)}

.still{object-fit:contain;background:#E8DDC0}
.play:disabled{opacity:.45;cursor:default}

.text.is-card .kicker{
  font-family:"Baloo 2";font-size:clamp(1.2rem,2.2vw,1.75rem);
  letter-spacing:.02em;text-transform:none;line-height:1.15;
}
.text.is-card .verse .line{font-size:clamp(1rem,1.4vw,1.18rem);line-height:1.6}

.dots{flex-wrap:wrap;max-width:62%;justify-content:center;gap:.42rem}
.dots i{cursor:pointer;transition:transform .15s ease,background .15s ease}
.dots i:hover{background:var(--gold);transform:scale(1.3)}

/* index sheet */
.sheet{
  position:fixed;inset:0;z-index:50;background:rgba(45,32,16,.55);
  backdrop-filter:blur(4px);display:grid;place-items:center;padding:2rem 1rem;
}
.sheet-inner{
  background:var(--paper-2);border-radius:20px;max-width:1060px;width:100%;
  max-height:86vh;overflow:auto;padding:1.4rem 1.6rem 2rem;box-shadow:var(--shadow);
}
.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.sheet-head h2{font-family:"Baloo 2";margin:0;font-size:1.2rem;color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.9rem}
.card{
  border:0;background:transparent;padding:0;cursor:pointer;text-align:left;
  display:flex;flex-direction:column;gap:.4rem;
}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;box-shadow:0 6px 16px -10px rgba(63,45,24,.8);transition:transform .18s ease}
.card:hover img{transform:translateY(-3px)}
.card span{font-family:"Baloo 2";font-size:.84rem;color:var(--ink-soft)}

@media (max-width:600px){
  .topright .chip:first-child{display:none}
  .dots{max-width:100%}
}

.sheet[hidden]{display:none}

.art{align-self:start}
.text{min-height:100%}
.text.is-card .verse{margin-bottom:1rem}

.ghost{white-space:nowrap}
@media (max-width:600px){.ghost{font-size:.82rem;padding:.45rem .8rem}.dots{max-width:52%}}

/* title page: the rendered cover carries the type, so show it full width */
.spread.solo{grid-template-columns:1fr;max-width:1120px;margin:0 auto}
.spread.solo .text{display:none}

a.chip{text-decoration:none;display:inline-flex;align-items:center}