/* ==========================================================================
   Look Inside / Flip Book Section Styles
   Matches Lorraine Schauer Design System (Fraunces, Manrope, Warm Paper, Plum)
   ========================================================================== */

.flipbook-section {
  position: relative;
  padding: 80px 0 90px;
  background: linear-gradient(180deg, rgba(239, 230, 211, 0.45) 0%, rgba(250, 246, 238, 0.9) 15%, rgba(250, 246, 238, 0.9) 85%, rgba(239, 230, 211, 0.45) 100%);
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  overflow: hidden;
}

.flipbook-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.flipbook-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
}

.flipbook-header .kicker {
  margin-bottom: 8px;
}

.flipbook-header h2 {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  color: var(--plum);
  margin-bottom: 12px;
}

.flipbook-header p {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Book Stage & Backdrop */
.flipbook-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
  width: 100%;
  max-width: 980px;
}

.flipbook-desk {
  position: relative;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 16px 36px;
  perspective: 1500px;
}

/* Front cover: cap the desk below StPageFlip's landscape threshold (2 * minWidth
   = 520px) so the cover renders single-page (portrait) — centered and alone, no
   blank partner. Past the cover we drop this class and the interior shows as
   two-page spreads (landscape). Toggled from js/main.js (applyCoverMode). */
.flipbook-desk.cover-mode {
  max-width: 480px;
}

/* Subtle book shadow beneath the open spreads */
.flipbook-desk::after {
  content: "";
  position: absolute;
  bottom: 18px;
  left: 5%;
  width: 90%;
  height: 28px;
  background: radial-gradient(ellipse at center, rgba(43, 35, 40, 0.28) 0%, rgba(43, 35, 40, 0.08) 55%, transparent 75%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
  transition: transform 0.3s ease;
}

/* StPageFlip Container */
.flipbook-wrapper {
  position: relative;
  z-index: 2;
  margin: 0 auto;
  box-shadow: 0 18px 45px rgba(43, 35, 40, 0.16), 0 4px 14px rgba(43, 35, 40, 0.08);
  border-radius: 4px;
  background: #fdfbf7;
  transition: box-shadow 0.3s ease;
}

.flipbook-wrapper:hover {
  box-shadow: 0 22px 55px rgba(43, 35, 40, 0.2), 0 6px 18px rgba(43, 35, 40, 0.1);
}

/* Individual Pages inside flipbook */
.flipbook-page {
  background-color: #faf7f2;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flipbook-page picture {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Subtle spine shadow gradient simulating a real open book fold */
.flipbook-page.--left::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 100%;
  background: linear-gradient(to left, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.03) 60%, transparent);
  pointer-events: none;
}

.flipbook-page.--right::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.03) 60%, transparent);
  pointer-events: none;
}

/* Cover page styling */
.flipbook-page.--cover {
  background: #faf6ee;
}

.flipbook-page.--cover img {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

/* Back cover / closing page */
.flipbook-page.--endpaper {
  background: #f4eee3;
  padding: 0;
  align-items: stretch;
}

.flipbook-endpaper {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 14px;
  box-sizing: border-box;
  background:
    radial-gradient(circle at 50% 12%, rgba(196, 163, 90, 0.22), transparent 46%),
    linear-gradient(180deg, #fffdf8 0%, #f4eee3 55%, #ead9c4 100%);
  color: var(--plum);
  position: relative;
  overflow: hidden;
}

.flipbook-endpaper::after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  right: -36px;
  bottom: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(177, 46, 86, 0.1), transparent 68%);
  pointer-events: none;
}

.flipbook-endpaper-frame {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px 16px 16px;
  border: 1px solid var(--gold);
  box-shadow: inset 0 0 0 5px #faf6ee, inset 0 0 0 6px rgba(196, 163, 90, 0.4);
  position: relative;
  z-index: 1;
}

.flipbook-endpaper-seal {
  width: 52px;
  height: 52px;
  margin: 0 0 10px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  box-shadow: inset 0 0 0 4px #faf6ee, 0 0 0 1px rgba(196, 163, 90, 0.28);
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--plum);
  background: linear-gradient(160deg, #fffdf8, #f0e4cc);
}

.flipbook-endpaper-kicker {
  margin: 0 0 6px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.flipbook-endpaper-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  line-height: 1.12;
  color: var(--plum);
  margin: 0 0 6px;
}

.flipbook-endpaper-title em {
  display: block;
  color: var(--berry);
  font-style: italic;
}

.flipbook-endpaper-book {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--berry);
}

.flipbook-endpaper-quote {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  max-width: 240px;
  font-family: var(--display);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--plum);
}

.flipbook-page.--endpaper .flipbook-endpaper-frame {
  padding: 12px 10px 10px;
}

.flipbook-page.--endpaper .flipbook-endpaper-seal {
  width: 44px;
  height: 44px;
  font-size: 1rem;
  margin-bottom: 8px;
}

.flipbook-page.--endpaper .flipbook-endpaper-title {
  font-size: 1.12rem;
  margin-bottom: 4px;
}

.flipbook-page.--endpaper .flipbook-endpaper-book {
  margin-bottom: 8px;
  font-size: 0.74rem;
}

.flipbook-page.--endpaper .flipbook-endpaper-thumb {
  width: 58px;
  margin-bottom: 8px;
}

.flipbook-page.--endpaper .flipbook-endpaper-quote {
  font-size: 0.78rem;
  margin-bottom: 6px;
}

.flipbook-page.--endpaper .flipbook-endpaper-verse {
  margin-bottom: 8px;
  font-size: 0.62rem;
}

.flipbook-page.--endpaper .flipbook-endpaper-btn {
  padding: 7px 14px;
  font-size: 0.68rem;
}

.flipbook-page.--endpaper .flipbook-endpaper-sign {
  margin-top: 8px;
  font-size: 0.68rem;
}

.flipbook-endpaper-verse {
  margin: 0 0 12px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.flipbook-endpaper-thumb {
  width: 72px;
  height: auto;
  margin: 0 0 14px;
  border-radius: 6px;
  box-shadow: 0 12px 22px rgba(43, 35, 40, 0.2);
  border: 1px solid rgba(196, 163, 90, 0.35);
}

.flipbook-endpaper-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff !important;
  background: linear-gradient(135deg, var(--berry), var(--berry-deep));
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(177, 46, 86, 0.32);
  pointer-events: auto;
  z-index: 2;
}

.flipbook-endpaper-btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #c73663, #9e2348);
}

.flipbook-endpaper-sign {
  margin: 12px 0 0;
  font-family: var(--display);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--muted);
}

.flipbook-thumb-end {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--plum);
  background: linear-gradient(160deg, #fffdf8, #ead9c4);
}

/* Controls Bar */
.flipbook-toolbar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 820px;
  margin-top: 8px;
  padding: 10px 18px;
  background: rgba(250, 246, 238, 0.94);
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(43, 35, 40, 0.05);
  gap: 12px;
}

.flipbook-nav-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flipbook-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--plum);
  background: var(--linen);
  border: 1px solid rgba(196, 163, 90, 0.45);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  user-select: none;
}

.flipbook-btn:hover:not(:disabled) {
  background: var(--plum);
  color: var(--linen);
  border-color: var(--plum);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(85, 54, 111, 0.25);
}

.flipbook-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.flipbook-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.flipbook-counter {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding: 4px 12px;
  background: rgba(239, 230, 211, 0.6);
  border-radius: 999px;
  white-space: nowrap;
}

.flipbook-current-title {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--muted);
  text-align: center;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 8px;
}

.flipbook-extra-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flipbook-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--linen);
  border: 1px solid rgba(196, 163, 90, 0.45);
  color: var(--plum);
  cursor: pointer;
  transition: all 0.2s ease;
}

.flipbook-icon-btn:hover {
  background: var(--plum);
  color: var(--linen);
  border-color: var(--plum);
  transform: scale(1.05);
}

.flipbook-icon-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Helper hint under controls */
.flipbook-hint {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  margin-top: 10px;
  text-align: center;
  opacity: 0.8;
}

.flipbook-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 0.72rem;
  background: rgba(196, 163, 90, 0.2);
  border-radius: 4px;
  margin: 0 2px;
  border: 1px solid rgba(196, 163, 90, 0.4);
}

/* Thumbnail Navigation Ribbon */
.flipbook-thumbs-wrap {
  width: 100%;
  max-width: 860px;
  margin-top: 24px;
  padding: 0 10px;
}

.flipbook-thumbs-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  text-align: center;
}

.flipbook-thumbs-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 4px 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-line) transparent;
}

.flipbook-thumb-item {
  position: relative;
  flex: 0 0 auto;
  width: 72px;
  height: 94px;
  border-radius: 4px;
  border: 2px solid rgba(196, 163, 90, 0.3);
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: all 0.24s var(--ease);
  box-shadow: 0 2px 8px rgba(43, 35, 40, 0.08);
}

.flipbook-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.flipbook-thumb-item:hover {
  transform: translateY(-3px);
  border-color: var(--plum);
  box-shadow: 0 6px 16px rgba(85, 54, 111, 0.2);
}

.flipbook-thumb-item.is-active {
  border-color: var(--berry);
  box-shadow: 0 0 0 2px var(--berry), 0 6px 18px rgba(177, 46, 86, 0.25);
  transform: translateY(-2px) scale(1.04);
}

.flipbook-thumb-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: rgba(43, 35, 40, 0.85);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
  pointer-events: none;
}

/* Fullscreen / Lightbox Modal */
.flipbook-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(43, 35, 40, 0.94);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.flipbook-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.flipbook-modal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  color: var(--linen);
  background: rgba(20, 16, 18, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.flipbook-modal-title {
  font-family: var(--display);
  font-size: 1.25rem;
  color: #f7efe3;
  margin: 0;
}

.flipbook-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.flipbook-modal-close:hover {
  background: var(--berry);
  border-color: var(--berry);
  transform: rotate(90deg);
}

.flipbook-modal-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.flipbook-modal-view {
  max-width: 90vw;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.flipbook-modal-view img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.flipbook-modal-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.flipbook-modal-arrow:hover:not(:disabled) {
  background: var(--berry);
  border-color: var(--berry);
  transform: translateY(-50%) scale(1.1);
}

.flipbook-modal-arrow:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.flipbook-modal-arrow.--prev {
  left: 24px;
}

.flipbook-modal-arrow.--next {
  right: 24px;
}

.flipbook-modal-footer {
  padding: 14px 24px;
  text-align: center;
  background: rgba(20, 16, 18, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #ddd;
  font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .flipbook-section {
    padding: 60px 0 70px;
  }
  
  .flipbook-toolbar {
    border-radius: 16px;
    padding: 10px 14px;
  }
  
  .flipbook-current-title {
    display: none;
  }
}

@media (max-width: 640px) {
  .flipbook-section {
    padding: 40px 0 48px;
    overflow-x: hidden;
  }
  
  .flipbook-header {
    padding: 0 16px;
    margin-bottom: 24px;
  }

  .flipbook-header h2 {
    font-size: 1.75rem;
  }
  
  .flipbook-desk {
    padding: 8px 0 20px;
    overflow: hidden;
  }

  .flipbook-wrapper {
    max-width: 100% !important;
  }
  
  .flipbook-toolbar {
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 12px;
    gap: 8px;
    padding: 8px 12px;
    width: calc(100% - 24px);
  }
  
  .flipbook-btn {
    padding: 6px 12px;
    font-size: 0.78rem;
  }
  
  .flipbook-thumbs-wrap {
    padding: 0 8px;
  }

  .flipbook-endpaper {
    padding: 10px;
  }

  .flipbook-endpaper-frame {
    padding: 12px 10px;
  }

  .flipbook-endpaper-thumb {
    width: 48px;
    margin-bottom: 10px;
  }

  .flipbook-endpaper-quote {
    font-size: 0.8rem;
  }

  .flipbook-thumbs-list {
    justify-content: flex-start;
    padding-left: 8px;
    padding-right: 8px;
  }

  .flipbook-thumb-item {
    width: 52px;
    height: 68px;
  }
  
  .flipbook-endpaper {
    padding: 20px 14px;
  }

  .flipbook-endpaper-seal {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
    margin-bottom: 10px;
  }

  .flipbook-endpaper-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
  }

  .flipbook-endpaper-quote {
    font-size: 0.78rem;
    margin-bottom: 14px;
  }

  .flipbook-endpaper-btn {
    padding: 7px 16px;
    font-size: 0.76rem;
  }
  
  .flipbook-modal-arrow {
    width: 38px;
    height: 38px;
  }
  
  .flipbook-modal-arrow.--prev {
    left: 8px;
  }
  
  .flipbook-modal-arrow.--next {
    right: 8px;
  }
}