/**
 * @file
 * Styles for the 3D Flipbook PDF Viewer.
 */

.flipbook-container {
  position: relative;
  margin: 20px auto;
  text-align: center;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  background: #f5f5f5;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  min-height: 500px;
  color:#333;
}

.flipbook-viewer {
  position: relative;
  display: block;
  margin: 0 auto 20px;
  background: transparent;
  border-radius: 4px;
  min-height: 500px;
  height: 550px;
}

/* 3D Flipbook specific container styles */
.flipbook-container-3d {
  width: 100%;
  height: 100%;
  position: relative;
}

.flipbook-viewport {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.flipbook-book {
  width: 100%;
  height: 100%;
}

.flipbook-loading,
.flipbook-error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 30px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  font-size: 16px;
  color: #333;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  max-width: 300px;
}

.flipbook-error {
  background: rgba(255, 240, 240, 0.95);
  border: 2px solid #dc3545;
  color: #721c24;
}

/* Custom controls removed - using 3D FlipBook built-in controls */

/* Loading animation */
.flipbook-loading p,
.flipbook-error p {
  margin: 0;
  animation: pulse 1.5s infinite;
}

.flipbook-error p {
  animation: none;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .flipbook-container {
    margin: 10px;
    padding: 10px;
  }
  
  .flipbook-viewer {
    min-height: 250px;
  }
}

/* 3D Flipbook library overrides */
.flipbook-container .flipbook-3d-container {
  width: 100% !important;
  height: 100% !important;
}

.flipbook-container canvas {
  max-width: 100%;
  height: auto;
}

.flipbook-container .flipbook-3d-book {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Hide default 3D flipbook controls if custom controls are enabled */
.flipbook-container.custom-controls .flipbook-3d-controls {
  display: none !important;
}

/* Loading overlay for 3D flipbook */
.flipbook-container .flipbook-3d-loading {
  background: rgba(245, 245, 245, 0.9) !important;
}

/* Font Awesome icons styling */
.flipbook-controls .fa {
  font-size: 12px;
  margin: 0 2px;
}

/* Print styles */
@media print {
  .flipbook-container {
    border: none;
    box-shadow: none;
    background: transparent;
  }
  
  .flipbook-container .flipbook-3d-container {
    box-shadow: none;
  }
}