/* Enhanced flipbook CSS */

/* Basic reset and variables */
:root {
  --primary-color: #3b82f6; /* Soft blue */
  --text-color: #1f2937; /* Dark slate gray */
  --background-color: #f9fafb; /* Very light gray */
  --page-color: #ffffff; /* Pure white */
  --border-color: #e5e7eb; /* Light gray border */
  --control-bg: rgba(255, 255, 255, 0.9);
  --shadow-color: rgba(0, 0, 0, 0.1);
  --control-hover-bg: #f3f4f6; /* Slightly darker background on hover */
  --error-color: #ef4444;
  --success-color: #10b981;
  --loading-color: #3b82f6;
  --transition-speed: 300ms;
  --border-radius: 8px;
}

/* Flipbook container */
.flipbook-container {
  background-color: var(--background-color);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px var(--shadow-color),
    0 2px 4px -1px var(--shadow-color);
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  gap: 20px;
}

/* Loading bar */
.loading-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.flipbook-container::after {
  content: "";
  display: none !important; /* Disable any overlay */
}

.loading-bar {
  height: 100%;
  width: 0;
  background-color: var(--loading-color);
  transition: width 0.3s ease;
}

/* Main viewer */
.flipbook {
  position: relative;
  width: 100%;
  height: 80vh;
  background-color: var(--background-color);
  border-radius: 10px;
  box-shadow: 0 10px 15px -3px var(--shadow-color),
    0 4px 6px -2px var(--shadow-color);
  overflow: hidden;
  transition: height var(--transition-speed) ease;
}

/* In fullscreen mode */
:fullscreen .flipbook {
  height: calc(100vh - 140px);
}

/* Page container */
.page-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  transition: opacity var(--transition-speed) ease,
    transform var(--transition-speed) ease;
  overflow: hidden; /* Hide overflow by default */
}

/* Page turning animations */
.page-container.animate-in {
  opacity: 0;
  transform: translateX(50px);
  animation: fadeIn var(--transition-speed) ease forwards;
}

.page-container.animate-out {
  opacity: 1;
  animation: fadeOut var(--transition-speed) ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50px);
  }
}

/* Single page */
.flipbook-js-page {
  position: relative;
  height: 100%;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow: auto; /* Allow scrolling when zoomed */
}

/* Canvas container when zoomed */
.flipbook-js-page.zoomed {
  overflow: auto;
  justify-content: flex-start;
  align-items: flex-start;
}

.flipbook-js-page canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  transition: transform 0.2s ease;
  border-radius: 2px;
  box-shadow: 0 2px 10px var(--shadow-color);
}

/* Controls */
.controls {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--page-color);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px var(--shadow-color);
  z-index: 100; /* Ensure controls are above other elements */
  pointer-events: auto !important; /* Force pointer events */
}

.control-group {
  position: relative;
  z-index: 101;
  display: flex;
  column-gap: 15px;
}

/* Add diagnostic outlines to help debug */
.btn:hover {
  background-color: var(--control-hover-bg);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all 0.2s ease;
}
.btn:hover:not(:disabled) {
  background-color: var(--primary-color);
  color: #fff;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.page-number-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-number {
  padding: 8px 12px;
  background-color: var(--control-bg);
  border-radius: 4px;
  min-width: 150px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.jump-to-page {
  width: 60px;
  padding: 6px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-align: center;
  background-color: var(--control-bg);
}

.zoom-level {
  width: 60px;
  text-align: center;
  background-color: var(--control-bg);
  border-radius: 4px;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
}

/* Thumbnails */
.thumbnails {
  display: flex;
  gap: 10px;
  padding: 15px;
  overflow-x: auto;
  background-color: var(--page-color);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px var(--shadow-color);
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.thumbnails::-webkit-scrollbar {
  height: 8px;
}

.thumbnails::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 4px;
}

.thumbnails::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.thumbnails::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

.thumbnail {
  position: relative;
  flex: 0 0 auto;
  width: 80px;
  height: 120px;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: all 0.3s ease;
  overflow: hidden;
  background-color: var(--page-color);
  box-shadow: 0 2px 5px var(--shadow-color);
}

.thumbnail:hover {
  border-color: var(--border-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.thumbnail.active {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.thumbnail canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.thumbnail-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  text-align: center;
  padding: 2px 0;
  font-size: 12px;
}

/* Error messages */
.error-message {
  padding: 20px;
  background-color: #fee2e2;
  color: var(--error-color);
  border-radius: 4px;
  text-align: center;
  margin: 20px 0;
  border: 1px solid #fecaca;
}

/* Responsive styles */
@media (max-width: 1023px) {
  .flipbook {
    height: 70vh;
  }

  .controls {
    flex-direction: column;
    gap: 10px;
  }

  .control-group {
    width: 100%;
    justify-content: space-between;
  }

  .page-number-container {
    flex-grow: 1;
    justify-content: center;
  }

  .thumbnail {
    width: 60px;
    height: 90px;
  }

  .btn {
    padding: 8px 12px;
    background-color: var(--control-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100; /* Ensure buttons are above other elements */
    position: relative; /* Create stacking context */
    pointer-events: auto !important; /* Force pointer events */
  }

  .btn svg {
    width: 16px;
    height: 16px;
  }

  .flipbook-js-page.zoomed canvas {
    max-width: none;
    max-height: none;
  }
}

/* Print styles */
@media print {
  .controls,
  .thumbnails {
    display: none;
  }

  .flipbook {
    height: auto;
    box-shadow: none;
  }
}

/* Fullscreen styles */
:fullscreen {
  background-color: var(--background-color);
  padding: 20px;
}

/* Utility classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}