html {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

.viewer-container{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#viewer {
  display: inline-block;
  width: 100%;
  height: 100%;
  padding: 60px 0 0;
}
@media (max-width: 768px) {
  #viewer {
    padding: 44px 0 0;
  }
}

#flipbook-viewer {
  width: 100%;
  height: 100%;
  display: none;
}

/* PDF Toolbar Styles */
.pdf-toolbar {
  background-color: #2a2a2a;
  padding: 0 16px;
  display: flex;
  align-items: center;
  color: white;
  font-size: 14px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 60px;
}

.pdf-toolbar button {
  background-color: transparent;
  border: none;
  color: white;
  padding: 8px 12px;
  margin: 0 4px;
  cursor: pointer;
  font-size: 16px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
}

.pdf-toolbar button:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.pdf-toolbar button:active {
  background-color: rgba(255, 255, 255, 0.25);
}

.pdf-toolbar .page-info {
  margin: 0 15px;
  font-size: 14px;
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
}

.pdf-toolbar .page-input {
  width: 50px;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: white;
  padding: 4px 8px;
  margin: 0 5px;
  font-size: 14px;
}

.pdf-toolbar .page-input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.pdf-toolbar .zoom-controls {
  display: flex;
  align-items: center;
  margin: 0 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 4px;
}

.pdf-toolbar .zoom-level {
  padding: 0 12px;
  min-width: 60px;
  text-align: center;
}

.pdf-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  background-color: #f0f0f0;
  padding: 44px 20px 10px 20px;
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-sizing: border-box;
  max-width: 100%;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.page-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px auto;
  transform-origin: center center;
  transition: width 0.2s ease-out, height 0.2s ease-out;
  max-width: none;
  width: auto;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  box-sizing: border-box;
  clear: both;
}

.page-canvas {
  display: block;
  margin: 0;
  box-sizing: border-box;
  transition: width 0.3s ease, height 0.3s ease;
  /* Canvas için smooth tranzisyon */
}

.file-name {
  margin-right: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
  font-weight: 500;
  font-size: 16px;
}

.toolbar-spacer {
  flex: 1;
}

.toolbar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 2;
  gap: 16px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  margin: 0 5px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 4px;
}

.nav-buttons {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 4px;
  margin: 0;
}

.toggle-view-btn {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 8px 16px;
  margin-left: 10px;
  transition: background-color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  display: flex !important;
  /* Force display on desktop */
}

.toggle-view-btn i {
  font-size: 16px;
}

.floating-zoom-controls {
  display: none;
  /* Hide by default on desktop */
}

.fit-to-width-btn {
  display: none;
  /* Hide by default on desktop */
}

/* Desktop styles */
#rotate-btn {
  display: none;
  /* Hide rotate button on desktop by default */
}

/* Add new desktop style for standard view button in flipbook mode */
#standard-view {
  display: flex !important;
}

/* Mobile-specific styles */
@media (max-width: 768px) {
  .pdf-toolbar {
      height: 44px;
      padding: 0 8px;
      background-color: #333;
  }

  .pdf-content {
      padding: 44px 0 10px 0;
      align-items: center;
  }

  .page-container {
      margin: 4px auto;
      max-width: calc(100% - 16px);
      width: 100%;
      min-width: unset;
      align-self: center;
  }

  .page-canvas {
      width: 100% !important;
      height: auto !important;
  }

  .toolbar-center {
      gap: 4px;
      flex: 1;
      justify-content: space-between;
  }

  .nav-buttons {
      padding: 2px;
      gap: 2px;
      background: none;
  }

  .toolbar-group {
      padding: 2px;
      gap: 2px;
      background: none;
  }

  .pdf-toolbar button {
      padding: 4px;
      min-width: 28px;
      min-height: 28px;
      font-size: 14px;
  }

  .page-info {
      margin: 0;
      padding: 0 4px;
      background: none;
      font-size: 14px;
      display: flex;
      align-items: center;
      white-space: nowrap;
  }

  .page-input {
      width: 28px;
      height: 24px;
      padding: 2px;
      font-size: 12px;
      text-align: center;
  }

  .zoom-level {
      padding: 0 4px;
      min-width: auto;
      font-size: 14px;
  }

  #rotate-btn {
      display: none;
  }

  .file-name {

  }

  .toolbar-spacer {
      display: none;
  }

  .toggle-view-btn {
      display: none !important;
  }

  #standard-view {
      display: none !important;
  }
}

/* Extra small screens */
@media (max-width: 510px) {

  #go-to-first,
  #go-to-prev,
  #go-to-next,
  #go-to-last {
      display: none;
  }

  .page-info {
      background: rgba(255, 255, 255, 0.1);
      padding: 2px 6px;
      border-radius: 4px;
      margin: 0;
  }

  .page-input {
      width: 20px;
      height: 20px;
      font-size: 13px;
      padding: 0;
      margin: 0;
  }

  .toolbar-center {
      gap: 6px;
  }

  .toolbar-group {
      gap: 2px;
  }

  .pdf-toolbar .zoom-level {
      min-width: 10px;
  }
}

/* Rotation Styles */
.page-container[data-rotation="90"],
.page-container[data-rotation="270"] {
  width: 90vh;
  max-width: none;
  margin: 20vh auto;
}

.page-container[data-rotation="0"],
.page-container[data-rotation="180"] {
  width: auto;
  max-width: calc(100% - 40px);
  margin: 10px auto;
}

@media (max-width: 768px) {

  .page-container[data-rotation="90"],
  .page-container[data-rotation="270"] {
      width: 80vh;
      margin: 15vh auto;
  }

  .page-container[data-rotation="0"],
  .page-container[data-rotation="180"] {
      max-width: calc(100% - 20px);
      margin: 5px auto;
  }
}

/* Loading Indicator */
.loading-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% + 10px));
  background-color: #ffffff;
  background-image: none;
  color: white;
  width: 70px;
  height: 70px;
  margin: 0 auto;
  border-radius: 50%;
  padding: 5px;
  box-shadow: 0px 0px 3px #000;
  z-index: 2000;
}

.loading-indicator::after {
  content: ' ';
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-size: contain;
  background-image: url(flipbook/images/light-loader.gif);
}

/* Preview Container */
.preview-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.preview-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.preview-canvas {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  background-color: white;
  border-radius: 8px;
}

.preview-close {
  position: absolute;
  top: -48px;
  right: 0;
  color: white;
  background-color: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.preview-close:hover {
  background-color: rgba(255, 0, 0, 0.7);
  transform: scale(1.1);
}

/* Add scroll-based toolbar visibility */
.pdf-toolbar {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .pdf-content {
      padding-bottom: 60px;
      /* Add extra padding at bottom for last page */
  }
}

/* Ölçekleme için yeni stiller */
.page-container.scaled {
  transform-origin: top center;
}

/* Son sayfa için özel stil */
.page-container:last-child {
  margin-bottom: 80px !important;
}

/* Update page container styles for better spacing */
.page-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px auto;
  transform-origin: center center;
  transition: transform 0.3s ease;
  max-width: none;
  width: auto;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  box-sizing: border-box;
  clear: both;
}

.page-canvas {
  display: block;
  margin: 0;
  box-sizing: border-box;
  transition: width 0.3s ease, height 0.3s ease;
  /* Canvas için smooth tranzisyon */
}

/* Sayfaların merkezlenmesi için container stillerini güncelle */
@media (max-width: 768px) {
  .page-container {
      margin: 10px auto;
      min-width: unset;
      width: 100%;
      align-self: center;
  }
  
  .page-canvas {
      width: 100% !important;
      height: auto !important;
  }
}

/* Zoom yapıldığında kaydırma için pdf-content içine yatay kaydırma ekleyelim */
/* Zaten JavaScript ile dinamik olarak yönetiliyor, statik CSS'de !important olmadan bırakılabilir veya kaldırılabilir */
/* 
.pdf-content {
  overflow-x: auto !important; 
}
*/

@media (min-width: 769px) {
  .pdf-content {
      padding: 60px 20px 20px 20px !important;
      align-items: flex-start !important;
  }
}

@media (max-width: 768px) {
  .pdf-content {
      padding: 44px 0 10px 0 !important;
      align-items: center !important;
      /* overflow-x: hidden !important; */ /* dinamik olarak JS ile yönetilecek */
  }
  
  .page-container {
      margin: 10px auto;
      min-width: unset;
      width: 100%;
      align-self: center;
  }
  
  .page-canvas {
      width: 100% !important;
      height: auto !important;
  }
}

/* Son sayfaya daha fazla boşluk ekle */
.page-container:last-child {
  margin-bottom: 60px !important;
}

/* Mobile PDF Layout - Width-based zoom optimizations */
@media (max-width: 768px) {
  .pdf-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      overflow-x: hidden; /* Will be changed to auto via JS when zoomed */
      overflow-y: auto;
      scroll-behavior: smooth;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior: contain;
      padding: 44px 0 10px 0;
      /* Touch zoom için optimizasyonlar */
      touch-action: manipulation;
      -webkit-user-select: none;
      -webkit-touch-callout: none;
      -webkit-tap-highlight-color: transparent;
      /* GPU acceleration for smooth scrolling */
      transform: translate3d(0, 0, 0);
      -webkit-transform: translate3d(0, 0, 0);
      will-change: scroll-position;
      contain: layout style;
      backface-visibility: hidden;
      -webkit-backface-visibility: hidden;
      /* Ensure scrollbars are always visible when needed */
      scrollbar-width: auto;
  }
  
  .page-container {
      display: flex;
      justify-content: center;
      width: 100%;
      transform-origin: center top;
      transition: width 0.15s ease-out;
      margin: 10px auto;
      min-width: unset;
      align-self: center;
      /* GPU acceleration for zoom transforms */
      transform: translate3d(0, 0, 0);
      -webkit-transform: translate3d(0, 0, 0);
      will-change: width, transform;
      contain: layout style;
      backface-visibility: hidden;
      -webkit-backface-visibility: hidden;
  }
  
  .page-canvas {
      width: 100% !important; 
      height: auto !important;
      object-fit: contain;
      transition: none;
      /* GPU acceleration for canvas */
      transform: translate3d(0, 0, 0);
      -webkit-transform: translate3d(0, 0, 0);
      backface-visibility: hidden;
      -webkit-backface-visibility: hidden;
  }

  /* Simplified zoom optimizations */
  .pdf-content.zooming {
      scroll-behavior: auto !important;
      -webkit-overflow-scrolling: auto !important;
      overscroll-behavior: none !important;
      user-select: none !important;
      -webkit-user-select: none !important;
  }
  
  /* Simple page container optimizations during zoom */
  .pdf-content.zooming .page-container {
      transition: none !important;
      will-change: width !important;
  }

  /* Simple canvas optimizations during zoom */
  .pdf-content.zooming .page-canvas {
      transition: none !important;
  }
}

.pdf-content::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.pdf-content::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
}

.pdf-content::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.3);
  border-radius: 4px;
}


@media (max-width: 800px) {
  #viewer {
    width: 100vw;
    margin-left: 0;
  }
}