/* ── preview reader (see /assets/reader.js) ─────────────────────────────── */
.reader {
  border: 0; padding: 0; margin: 0;
  width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none;
  background: #14110e; color: #ece7df;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: none; flex-direction: column;
}
.reader[open] { display: flex; }
.reader::backdrop { background: rgba(10, 8, 5, .9); }
html.reader-open { overflow: hidden; }
html.reader-open body { position: fixed; width: 100%; overflow: hidden; }

.reader__bar { display: flex; align-items: center; gap: 14px; padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.reader__title { flex: 1; min-width: 0; margin: 0; font-family: Georgia, serif; font-size: 15px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.reader__count { margin: 0; font-size: 12px; letter-spacing: .15em; color: #d98b45;
  font-variant-numeric: tabular-nums; white-space: nowrap; }
.reader__fit, .reader__close { background: none; border: 1px solid rgba(255,255,255,.28); color: #cfc7bb;
  font: inherit; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 7px 12px;
  cursor: pointer; border-radius: 6px; }
.reader__fit:hover, .reader__close:hover { color: #fff; border-color: #fff; }
.reader__close { font-size: 20px; line-height: 1; padding: 3px 11px 5px; }

.reader__stage { flex: 1; min-height: 0; display: grid; grid-template-columns: 56px minmax(0, 1fr) 56px; }
.reader__nav { background: none; border: 0; color: #d98b45; font-family: Georgia, serif; font-size: 52px;
  line-height: 1; cursor: pointer; opacity: .6; }
.reader__nav:hover { opacity: 1; }
.reader__nav:disabled { opacity: .12; cursor: default; }
.reader__page { overflow: auto; padding: 14px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; -webkit-tap-highlight-color: transparent; touch-action: pan-y; position: relative; }
.reader__book { position: relative; flex: none; perspective: 2200px; }
.reader__sheet { position: absolute; inset: 0; background: #fff; transform-origin: left center;
  backface-visibility: hidden; box-shadow: 0 30px 70px -20px rgba(0,0,0,.9); }
.reader__sheet--top { z-index: 2; will-change: transform; }
.reader__sheet--top.is-settling { transition: transform .55s cubic-bezier(.22,.75,.25,1); }
.reader__sheet--top.is-settling .reader__shade { transition: opacity .55s cubic-bezier(.22,.75,.25,1); }
.reader__sheet--top.is-instant, .reader__sheet--top.is-instant .reader__shade { transition: none; }
.reader__sheet img { display: block; width: 100%; height: 100%; user-select: none; -webkit-user-select: none;
  -webkit-user-drag: none; pointer-events: none; transition: opacity .18s; }
.reader__sheet img.is-loading { opacity: .35; }
.reader__sheet img:not([src]) { visibility: hidden; }
.reader__shade { position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: linear-gradient(to right, rgba(0,0,0,.04), rgba(0,0,0,.5)); }
.reader--wide .reader__page { align-items: flex-start; padding: 0; }
@media (prefers-reduced-motion: reduce) {
  .reader__sheet--top.is-settling, .reader__sheet--top.is-settling .reader__shade { transition-duration: .01s; }
}
.reader__foot { padding: 10px 16px 12px; border-top: 1px solid rgba(255,255,255,.1); }
.reader__foot input[type="range"] { width: 100%; margin: 0; accent-color: #d98b45; cursor: pointer; }

/* end card: over the last sample page */
.reader__end { position: absolute; inset: 0; z-index: 5; display: flex; align-items: center; justify-content: center;
  padding: 1rem; background: rgba(20,17,14,.78); backdrop-filter: blur(2px); }
.reader__end[hidden] { display: none; }
.reader__end div { background: #7a3b22; color: #fff; border-radius: 14px; padding: 1.6rem 1.8rem; max-width: 26rem;
  text-align: center; box-shadow: 0 20px 50px rgba(0,0,0,.5); }
.reader__end h3 { font-family: Georgia, serif; margin: 0 0 .4rem; font-size: 1.4rem; }
.reader__end p { margin: 0 0 1rem; color: #f0e6d6; font-size: .95rem; }
.reader__end .buy { background: #fff; color: #7a3b22 !important; }

@media (max-width: 700px) {
  .reader__stage { grid-template-columns: 1fr; }
  .reader__nav { display: none; }
  .reader__page { padding: 8px; }
  .reader__bar { gap: 10px; padding: 10px 12px; }
}

/* ── floating book: shows once the hero has scrolled off the top ────────── */
.float { position: fixed; right: 1rem; bottom: 1rem; z-index: 50; display: flex; align-items: center; gap: .8rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: .7rem .9rem .7rem .7rem;
  box-shadow: 0 12px 34px rgba(0,0,0,.22); transform: translateY(130%); opacity: 0;
  transition: transform .35s cubic-bezier(.22,.75,.25,1), opacity .35s; max-width: calc(100vw - 2rem); }
.float.is-on { transform: none; opacity: 1; }
.float img { width: 58px; height: auto; border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,.3); flex: none; }
.float b { display: block; font-size: .9rem; margin-bottom: .35rem; }
.float .row { display: flex; gap: .45rem; flex-wrap: wrap; }
.float button, .float a.buy { font: inherit; font-size: .85rem; font-weight: 700; padding: .45rem .8rem; border-radius: .5rem;
  cursor: pointer; text-decoration: none; }
.float button { background: var(--accent); color: #fff; border: 0; }
.float a.buy { background: transparent; color: var(--accent) !important; border: 1.5px solid var(--accent); padding: .38rem .75rem; }
@media (max-width: 560px) { .float { left: 1rem; right: 1rem; } }
@media print { .float { display: none; } }