/* ===== Lundia catalog flipbook ===== */
.flipbook {
  box-sizing: border-box;
  max-width: 1150px;
  margin: 0 auto 2.5rem;
  padding: 1.5rem 1rem 1.25rem;
  border-radius: 10px;
  background: linear-gradient(#eef0f2, #e2e5e9);
  font-family: Arial, sans-serif;
}

.flipbook *,
.flipbook *::before,
.flipbook *::after {
  box-sizing: border-box;
}

.flipbook-intro {
  margin: 0 0 1rem;
  text-align: center;
  color: #2b3542;
}

.flipbook-intro h2 {
  margin: 0 0 0.3rem;
  font-size: 1.6rem;
}

.flipbook-intro p {
  margin: 0;
  font-size: 0.95rem;
  color: #555;
}

.flipbook-stage {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.flipbook-book {
  margin: 0 auto;
}

.flipbook-book img {
  display: block;
}

/* Loading message until the first pages are ready */
.flipbook-loading {
  display: none;
  padding: 3rem 0;
  text-align: center;
  color: #555;
}

.flipbook.is-loading .flipbook-loading {
  display: block;
}

/* Controls */
.flipbook-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.flipbook-controls button,
.flipbook-controls a {
  padding: 0.55rem 1rem;
  border: 1px solid #c9ced4;
  border-radius: 6px;
  background-color: #fff;
  color: #2b3542;
  font: bold 0.9rem Arial, sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.flipbook-controls button:hover:not(:disabled),
.flipbook-controls a:hover,
.flipbook-controls button:focus-visible,
.flipbook-controls a:focus-visible {
  border-color: #1e7d3d;
  color: #1e7d3d;
}

.flipbook-controls button:disabled {
  opacity: 0.4;
  cursor: default;
}

.flipbook-prev,
.flipbook-next {
  min-width: 3rem;
  font-size: 1.1rem !important;
}

.flipbook-status {
  min-width: 9.5rem;
  font-size: 0.9rem;
  font-weight: bold;
  text-align: center;
  color: #2b3542;
}

.flipbook-controls .flipbook-download {
  border-color: #1e7d3d;
  background-color: #1e7d3d;
  color: #fff;
}

.flipbook-controls .flipbook-download:hover,
.flipbook-controls .flipbook-download:focus-visible {
  background-color: #145c2b;
  color: #fff;
}

.flipbook-hint {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  text-align: center;
  color: #666;
}

/* Full screen */
.flipbook:fullscreen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: none;
  margin: 0;
  border-radius: 0;
  background: #2b3542;
}

.flipbook:fullscreen .flipbook-intro,
.flipbook:fullscreen .flipbook-hint {
  display: none;
}

.flipbook:fullscreen .flipbook-stage {
  width: min(100%, calc((100vh - 110px) * 1.545));
  max-width: none;
}

.flipbook.is-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  max-width: none;
  margin: 0;
  overflow-y: auto;
  border-radius: 0;
  background: #2b3542;
}

.flipbook.is-overlay .flipbook-intro h2,
.flipbook.is-overlay .flipbook-intro p {
  color: #fff;
}

@media (max-width: 600px) {
  .flipbook {
    padding: 1rem 0.5rem;
    border-radius: 0;
  }

  .flipbook-intro h2 {
    font-size: 1.3rem;
  }

  .flipbook-status {
    order: -1;
    flex-basis: 100%;
  }
}

/* Pages (HTML mode) */
.flipbook-page {
  overflow: hidden;
  background-color: #fff;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.flipbook-page img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

/* Closed book: slide so the single cover sits in the middle */
.flipbook-book {
  transition: transform 0.5s ease;
}

.flipbook.at-cover .flipbook-book {
  transform: translateX(calc(var(--fb-half, 0px) * -1));
}

.flipbook.at-back .flipbook-book {
  transform: translateX(var(--fb-half, 0px));
}

@media (prefers-reduced-motion: reduce) {
  .flipbook-book {
    transition: none;
  }
}