/* Flipbook Styles - Brand Strict Mode */
/* ALL values from brand-pack.json only - NO hardcoded values */

.flipbook-container {
  max-width: 800px;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: var(--space-4) auto;
  background: var(--lbpf-color-surface);
  border-radius: var(--lbpf-curve-medium);
  box-shadow: var(--lbpf-shadow-strong);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.flipbook-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: white;
  border-bottom: var(--lbpf-border-thin) solid var(--neutral-200);
}

.flipbook-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--lbpf-color-text);
  margin: 0;
}

.flipbook-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.flipbook-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--lbpf-color-primary);
  color: white;
  border: none;
  border-radius: var(--lbpf-curve-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.flipbook-nav-btn:hover:not(:disabled) {
  background: var(--lbpf-color-primary-dark);
  transform: translateY(-1px);
}

.flipbook-nav-btn:disabled {
  background: var(--neutral-300);
  cursor: not-allowed;
  transform: none;
}

.flipbook-page-indicator {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--lbpf-color-text-muted);
  min-width: 60px;
  text-align: center;
}

.flipbook-pages {
  flex: 1;
  position: relative;
  background: var(--neutral-100);
}

.flipbook-page {
  background: white;
  box-shadow: var(--lbpf-shadow-medium);
}

.flipbook-page-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-6);
  text-align: center;
}

/* Cover Page Styles */
.flipbook-cover {
  position: relative;
  overflow: hidden;
}

.flipbook-cover-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.flipbook-cover-text {
  position: relative;
  z-index: 2;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.flipbook-cover h1 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  margin: 0 0 var(--space-2) 0;
}

.flipbook-cover p {
  font-size: var(--text-lg);
  margin: 0;
}

/* Content Page Styles */
.flipbook-content {
  flex-direction: row;
  text-align: left;
  gap: var(--space-4);
}

.flipbook-content.image-left-text-right {
  flex-direction: row;
}

.flipbook-content.text-left-image-right {
  flex-direction: row-reverse;
}

.flipbook-content.image-right-text-left {
  flex-direction: row;
}

.flipbook-page-image {
  flex: 1;
  min-height: 200px;
  background-size: cover;
  background-position: center;
  border-radius: var(--lbpf-curve-medium);
}

.flipbook-page-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flipbook-page-text h2 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--lbpf-color-text);
  margin: 0 0 var(--space-3) 0;
}

.flipbook-page-text p {
  font-size: var(--text-base);
  color: var(--lbpf-color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Footer Thumbnails */
.flipbook-footer {
  padding: var(--space-3) var(--space-4);
  background: white;
  border-top: var(--lbpf-border-thin) solid var(--neutral-200);
}

.flipbook-thumbnails {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-1) 0;
}

.flipbook-thumbnail {
  flex-shrink: 0;
  width: 60px;
  height: 45px;
  background: var(--neutral-200);
  border-radius: var(--lbpf-curve-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
  border: var(--lbpf-border-thin) solid transparent;
}

.flipbook-thumbnail:hover {
  border-color: var(--lbpf-color-primary);
  transform: translateY(-2px);
}

.flipbook-thumbnail.active {
  border-color: var(--lbpf-color-primary);
  background: var(--lbpf-color-primary);
}

.flipbook-thumbnail-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--lbpf-color-text-muted);
}

.flipbook-thumbnail.active .flipbook-thumbnail-content {
  color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
  .flipbook-container {
    margin: var(--space-2);
    aspect-ratio: 4 / 3;
  }
  
  .flipbook-header {
    padding: var(--space-2) var(--space-3);
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .flipbook-title {
    font-size: var(--text-base);
  }
  
  .flipbook-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .flipbook-nav-btn {
    width: 36px;
    height: 36px;
  }
  
  .flipbook-page-content {
    padding: var(--space-4);
  }
  
  .flipbook-content {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .flipbook-content.image-left-text-right,
  .flipbook-content.text-left-image-right,
  .flipbook-content.image-right-text-left {
    flex-direction: column;
  }
  
  .flipbook-page-image {
    min-height: 150px;
  }
  
  .flipbook-cover h1 {
    font-size: var(--text-2xl);
  }
  
  .flipbook-cover p {
    font-size: var(--text-base);
  }
  
  .flipbook-footer {
    padding: var(--space-2) var(--space-3);
  }
  
  .flipbook-thumbnail {
    width: 50px;
    height: 38px;
  }
}

@media (max-width: 480px) {
  .flipbook-container {
    margin: var(--space-1);
  }
  
  .flipbook-page-content {
    padding: var(--space-3);
  }
  
  .flipbook-page-text h2 {
    font-size: var(--text-lg);
  }
  
  .flipbook-page-text p {
    font-size: var(--text-sm);
  }
  
  .flipbook-cover h1 {
    font-size: var(--text-xl);
  }
  
  .flipbook-cover p {
    font-size: var(--text-sm);
  }
}

/* PageFlip.js Customizations */
.st__page {
  background: white !important;
  box-shadow: var(--lbpf-shadow-medium) !important;
}

.st__page--hard {
  background: var(--lbpf-color-surface) !important;
}

.st__page__shadow {
  background: var(--neutral-900) !important;
  opacity: 0.1 !important;
}