/* Cyber Reader Styles */
.cyber-reader-container {
  display: flex;
  flex-direction: column;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin: 20px 0;
  background: #f8f8f8;
}

/* Cache progress indicator */
.cyber-reader-cache-progress {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 5px 10px;
  border-radius: 3px;
  font-size: 12px;
  z-index: 1000;
  animation: fadeInOut 0.3s ease-in;
  backdrop-filter: blur(2px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateY(-5px); }
  100% { opacity: 1; transform: translateY(0); }
}

.cyber-reader-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: #f0f0f0;
  border-bottom: 1px solid #ddd;
  flex-wrap: wrap;
}

.cyber-reader-title {
  font-weight: bold;
  font-size: 1.1rem;
  color: #333;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 15px;
}

.cyber-reader-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.cyber-reader-page-controls {
  display: flex;
  align-items: center;
  margin-left: 10px;
  gap: 5px;
}

.cyber-reader-zoom-controls {
  display: flex;
  align-items: center;
  margin-left: 10px;
  gap: 5px;
}

.cyber-reader-button {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  color: #333;
  text-decoration: none;
  transition: all 0.2s ease;
}

.cyber-reader-button:hover {
  background: #e9e9e9;
  border-color: #aaa;
}

.cyber-reader-button .button-icon {
  margin-right: 5px;
  font-size: 1rem;
}

.cyber-reader-viewport {
  flex: 1;
  overflow: auto;
  background: #888;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  position: relative;
}

.cyber-reader-canvas {
  display: block;
  margin: 0 auto;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  background: white;
}

#page-counter {
  font-size: 0.875rem;
  margin: 0 10px;
}

/* Fullscreen mode styles */
.cyber-reader-fullpage {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: #444;
}

.cyber-reader-fullpage-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Overlay modal styles */
.cyber-reader-fs-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cyber-reader-fs-container .cyber-reader-toolbar {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 15px;
}

.cyber-reader-fs-container .cyber-reader-title {
  color: white;
}

.cyber-reader-fs-container .cyber-reader-button {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
}

.cyber-reader-fs-container .cyber-reader-button:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.cyber-reader-viewport.fullpage {
  height: calc(100vh - 80px);
  background: #333;
  border-radius: 8px;
  overflow: auto;
}

/* Maximize canvas size in fullscreen mode */
.cyber-reader-viewport.fullpage .cyber-reader-canvas {
  max-height: calc(100vh - 100px);
  margin: 10px auto;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

/* True fullscreen mode */
.cyber-reader-fs-container:fullscreen,
.cyber-reader-fs-container:-webkit-full-screen,
.cyber-reader-fs-container:-moz-full-screen,
.cyber-reader-fs-container:-ms-fullscreen {
  padding: 10px;
  background: rgb(40, 40, 40);
}

.cyber-reader-fs-container:fullscreen .cyber-reader-viewport,
.cyber-reader-fs-container:-webkit-full-screen .cyber-reader-viewport,
.cyber-reader-fs-container:-moz-full-screen .cyber-reader-viewport,
.cyber-reader-fs-container:-ms-fullscreen .cyber-reader-viewport {
  height: calc(100vh - 80px);
}

/* Fullscreen button styles */
.cyber-reader-button.fullscreen-button {
  background: #2a3990;
  color: white;
  border-color: #1a2980;
}

.cyber-reader-button.fullscreen-button:hover {
  background: #1a2980;
  border-color: #0a1970;
}

.cyber-reader-button.copy-link-button {
  background: #17a2b8;
  color: white;
  border-color: #138496;
}

.cyber-reader-button.copy-link-button:hover {
  background: #138496;
  border-color: #0f6674;
}

/* Loading indicator */
.cyber-reader-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 1.2rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  border-radius: 5px;
}

/* Side navigation buttons */
.cyber-reader-side-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border: none;
  border-radius: 8px;
  width: 70px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.cyber-reader-side-nav:hover {
  background: rgba(0, 0, 0, 0.6);
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
}

.cyber-reader-side-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.cyber-reader-side-nav.prev {
  left: 30px;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  padding-right: 8px;
}

.cyber-reader-side-nav.next {
  right: 30px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
  padding-left: 8px;
}

/* Magazine View Styles */
.cyber-reader-viewport.magazine-view {
  background: #444;
  overflow: auto;
  transition: all 0.3s ease;
  perspective: 1500px;
}

.cyber-reader-viewport.magazine-view .cyber-reader-canvas {
  background: white;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.6);
  transition: all 0.3s ease;
  border-left: 1px solid rgba(0, 0, 0, 0.1);
  border-right: 1px solid rgba(0, 0, 0, 0.1);
}

/* Special styling for spread pages (two pages side by side) */
.cyber-reader-viewport.magazine-view .cyber-reader-canvas.spread {
  /* Custom paper texture for magazine spread feel */
  background-image: 
    /* Center binding shadow */
    linear-gradient(to right, 
      rgba(0,0,0,0) 48.5%, 
      rgba(0,0,0,0.3) 49%, 
      rgba(0,0,0,0.5) 50%, 
      rgba(0,0,0,0.3) 51%, 
      rgba(0,0,0,0) 51.5%
    ),
    /* Paper texture */
    linear-gradient(to right, 
      rgba(255,255,255,0.9) 0%, 
      rgba(255,255,255,0.97) 49%, 
      rgba(240,240,240,0.95) 50%, 
      rgba(250,250,250,0.95) 100%
    );
}

/* Single page styling for covers */
.cyber-reader-viewport.magazine-view .cyber-reader-canvas.single-page {
  background: white;
  /* No binding shadow for single pages */
  background-image: none;
  /* Slightly different shadow for single pages */
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
}

/* Active state for magazine view button */
.cyber-reader-button.magazine-view-button.active {
  background: #3a86ff;
  color: white;
  border-color: #2a76ef;
}

.cyber-reader-button.magazine-view-button.active:hover {
  background: #2a76ef;
  border-color: #1a66df;
}

/* Page Turn Animation Styles */
.cyber-reader-canvas {
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
  transform-origin: center center;
  backface-visibility: hidden;
  position: relative;
  overflow: hidden;
}

/* Page turning animation classes */
.cyber-reader-canvas.page-turn-next {
  animation: none;
  position: relative;
}

.cyber-reader-canvas.page-turn-prev {
  animation: none;
  position: relative;
}

.cyber-reader-canvas.page-turn-fade {
  animation: pageFade 0.4s ease-in-out forwards;
}

/* Magazine page flip containers */
.magazine-flip-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  perspective: 1200px;
  pointer-events: none;
  z-index: 20;
}

/* The flipping page overlay */
.magazine-flip-page {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: white;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0;
}

/* Right page flipping left (for next page) */
.magazine-flip-page.flip-right {
  right: 0;
  transform-origin: left center;
  animation: flipRightToLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Left page flipping right (for previous page) */
.magazine-flip-page.flip-left {
  left: 0;
  transform-origin: right center;
  animation: flipLeftToRight 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Masking classes to hide parts of the original canvas during animation */
.cyber-reader-canvas.mask-right-half {
  clip-path: polygon(0% 0%, 50% 0%, 50% 100%, 0% 100%);
  transition: clip-path 0.1s ease;
}

.cyber-reader-canvas.mask-left-half {
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
  transition: clip-path 0.1s ease;
}

/* Pseudo-element for creating the folding page effect */
.cyber-reader-canvas.page-turn-next::before,
.cyber-reader-canvas.page-turn-prev::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: inherit;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  z-index: 10;
}

/* Magazine-style page turn keyframes for next page (right page folds over left) */
/* Right page flipping to the left (covering left page) */
@keyframes flipRightToLeft {
  0% {
    transform: rotateY(0deg);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
  25% {
    transform: rotateY(-25deg);
    box-shadow: -15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  50% {
    transform: rotateY(-90deg);
    box-shadow: -25px 10px 60px rgba(0, 0, 0, 0.8);
  }
  75% {
    transform: rotateY(-155deg);
    box-shadow: 15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  100% {
    transform: rotateY(-180deg);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
}

@keyframes magazinePageTurnNext {
  0% {
    transform: rotateY(0deg);
    transform-origin: 50% center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
  25% {
    transform: rotateY(-25deg);
    transform-origin: 50% center;
    box-shadow: -15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  50% {
    transform: rotateY(-90deg);
    transform-origin: 50% center;
    box-shadow: -25px 10px 60px rgba(0, 0, 0, 0.8);
  }
  75% {
    transform: rotateY(-155deg);
    transform-origin: 50% center;
    box-shadow: 15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  100% {
    transform: rotateY(-180deg);
    transform-origin: 50% center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
}

/* Magazine-style page turn keyframes for previous page (left page folds over right) */
/* Left page flipping to the right (covering right page) */
@keyframes flipLeftToRight {
  0% {
    transform: rotateY(0deg);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
  25% {
    transform: rotateY(25deg);
    box-shadow: 15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  50% {
    transform: rotateY(90deg);
    box-shadow: 25px 10px 60px rgba(0, 0, 0, 0.8);
  }
  75% {
    transform: rotateY(155deg);
    box-shadow: -15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  100% {
    transform: rotateY(180deg);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
}

@keyframes magazinePageTurnPrev {
  0% {
    transform: rotateY(0deg);
    transform-origin: 50% center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
  25% {
    transform: rotateY(25deg);
    transform-origin: 50% center;
    box-shadow: 15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  50% {
    transform: rotateY(90deg);
    transform-origin: 50% center;
    box-shadow: 25px 10px 60px rgba(0, 0, 0, 0.8);
  }
  75% {
    transform: rotateY(155deg);
    transform-origin: 50% center;
    box-shadow: -15px 5px 40px rgba(0, 0, 0, 0.5);
  }
  100% {
    transform: rotateY(180deg);
    transform-origin: 50% center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  }
}

/* Fade animation for single pages */
@keyframes pageFade {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation container to handle the turn effect */
.cyber-reader-viewport.magazine-view .page-turn-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  perspective: 1500px;
  overflow: hidden;
}

/* Enhanced page flip styling for magazine view */
.cyber-reader-viewport.magazine-view .cyber-reader-canvas {
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* Create page curl effect during animation */
.cyber-reader-canvas.page-turn-next::after,
.cyber-reader-canvas.page-turn-prev::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    transparent 0%,
    transparent 40%,
    rgba(0, 0, 0, 0.1) 45%,
    rgba(0, 0, 0, 0.2) 50%,
    rgba(0, 0, 0, 0.1) 55%,
    transparent 60%,
    transparent 100%
  );
  z-index: 20;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Page curl shadow that appears during turn animation */
.cyber-reader-canvas.page-turn-next::after {
  left: 0;
  animation: pageCurlShadowNext 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cyber-reader-canvas.page-turn-prev::after {
  right: 0;
  animation: pageCurlShadowPrev 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Page curl shadow animations */
@keyframes pageCurlShadowNext {
  0% {
    opacity: 0;
    transform: skewX(0deg);
  }
  25% {
    opacity: 0.3;
    transform: skewX(-5deg);
  }
  50% {
    opacity: 0.7;
    transform: skewX(-15deg);
  }
  75% {
    opacity: 0.3;
    transform: skewX(-5deg);
  }
  100% {
    opacity: 0;
    transform: skewX(0deg);
  }
}

@keyframes pageCurlShadowPrev {
  0% {
    opacity: 0;
    transform: skewX(0deg);
  }
  25% {
    opacity: 0.3;
    transform: skewX(5deg);
  }
  50% {
    opacity: 0.7;
    transform: skewX(15deg);
  }
  75% {
    opacity: 0.3;
    transform: skewX(5deg);
  }
  100% {
    opacity: 0;
    transform: skewX(0deg);
  }
}

/* Mobile animation optimizations - animations now enabled on mobile */
@media (max-width: 768px) {
  /* Optimize animation performance for mobile devices */
  .cyber-reader-canvas.page-turn-next,
  .cyber-reader-canvas.page-turn-prev {
    /* Animations are now enabled - using slightly faster duration for mobile performance */
    animation-duration: 0.6s !important; /* Faster than desktop (0.8s) for better mobile performance */
  }
  
  .cyber-reader-canvas.page-turn-fade {
    animation-duration: 0.3s !important; /* Faster fade for mobile */
  }
  
  /* Reduce animation complexity on very small screens for performance */
  @media (max-width: 480px) {
    .cyber-reader-canvas.page-turn-next,
    .cyber-reader-canvas.page-turn-prev {
      animation-duration: 0.5s !important;
    }
    
    .cyber-reader-canvas.page-turn-fade {
      animation-duration: 0.25s !important;
    }
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .cyber-reader-toolbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 12px;
  }
  
  .cyber-reader-title {
    margin-bottom: 10px;
    width: 100%;
    font-size: 1rem;
  }
  
  .cyber-reader-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .cyber-reader-page-controls {
    margin-top: 10px;
    margin-left: 0;
    font-size: 0.85rem;
  }
  
  .cyber-reader-zoom-controls {
    margin-top: 10px;
    margin-left: 0;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
  
  .cyber-reader-button {
    padding: 4px 8px;
    font-size: 0.8rem;
  }
  
  .cyber-reader-side-nav {
    width: 40px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .cyber-reader-side-nav.prev {
    left: 5px;
  }
  
  .cyber-reader-side-nav.next {
    right: 5px;
  }
  
  /* Adjust padding for mobile */
  .cyber-reader-fs-container {
    padding: 10px;
  }
  
  /* Ensure canvas fits mobile screen */
  .cyber-reader-viewport.fullpage .cyber-reader-canvas {
    max-width: 100% !important;
    margin: 5px auto;
  }
  
  /* Maximize space in mobile view */
  .cyber-reader-viewport.fullpage {
    height: calc(100vh - 120px);
  }
  
  /* Reduce spacing around view */
  .cyber-reader-fs-container .cyber-reader-toolbar {
    margin-bottom: 10px;
  }
}