/**
 * @file
 * Styles for Quatrix PDF.js viewer with mobile optimization.
 */

.quatrix-pdfjs-scroll-container {
  width: 100%;
  background-color: transparent;
  padding: 1em 0;
  box-sizing: border-box;
}

.quatrix-pdfjs-loading {
  text-align: center;
  padding: 40px;
  color: #333333;
}

.quatrix-pdfjs-spinner,
.quatrix-pdf-spinner {
  border: 4px solid rgba(51, 51, 51, 0.3);
  border-top: 4px solid #333333;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: quatrix-spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes quatrix-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.quatrix-pdfjs-loading-text {
  font-size: 16px;
  margin-top: 10px;
}

.quatrix-pdfjs-error {
  color: #d32f2f;
  background: #ffebee;
  padding: 20px;
  border-radius: 4px;
  text-align: center;
}

.quatrix-pdfjs-pages {
  max-width: 100%;
  margin: 0 auto;
}

.quatrix-pdf-page {
  margin-bottom: 30px;
  background: transparent;
  position: relative;
}

/* Loading state for individual pages */
.quatrix-pdf-page-loading {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quatrix-pdf-page-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  background: #f5f5f5;
  border-radius: 0.5em;
  border: 1px solid #e9e9e9;
  min-height: 200px;
}

.quatrix-pdf-page-error {
  color: #d32f2f;
  background: #ffebee;
  padding: 20px;
  border-radius: 4px;
  text-align: center;
}

.quatrix-pdf-page-number {
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  padding: 8px 15px;
  font-size: 12px;
  position: absolute;
  top: 10px;
  right: 10px;
  border-radius: 3px;
  z-index: 10;
  font-weight: bold;
}

.quatrix-pdf-canvas-wrapper {
  position: relative;
  display: block;
  background: #ffffff;
  border: 1px solid #e9e9e9;
  border-radius: 0.5em;
  box-shadow: rgba(0, 0, 0, 0.15) 0px 0px 6px;
  overflow: visible;
  max-width: 100%;
}

.quatrix-pdf-page canvas {
  display: block;
  border-radius: 0.5em;
  width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  vertical-align: top;
}

/* Text layer styles for selectable text */
.quatrix-pdf-page .textLayer {
  position: absolute;
  overflow: hidden;
  opacity: 0.2;
  line-height: 1.0;
  transform-origin: 0 0;
  left: 0;
  top: 0;
}

.quatrix-pdf-page .textLayer > span {
  color: transparent;
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0 0;
  /* Anti-aliasing for crisp text */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.quatrix-pdf-page .textLayer ::selection {
  background: rgba(0, 100, 255, 0.3);
}

/* Toolbar styles */
.quatrix-pdfjs-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  margin-bottom: 20px;
  border-radius: 0.5em 0.5em 0 0;
  flex-wrap: wrap;
  gap: 10px;
}

.quatrix-pdfjs-toolbar-left,
.quatrix-pdfjs-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quatrix-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  color: #333;
  transition: all 0.2s;
}

.quatrix-pdf-btn:hover {
  background: #e9ecef;
  border-color: #adb5bd;
}

.quatrix-pdf-btn:active {
  background: #dee2e6;
}

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

.quatrix-pdf-icon {
  font-size: 16px;
  line-height: 1;
}

.quatrix-pdf-zoom-level {
  min-width: 50px;
  text-align: center;
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

/* Loading state */
.quatrix-pdfjs-scroll-container:not(.quatrix-pdfjs-loaded) .quatrix-pdfjs-pages {
  display: none;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .quatrix-pdfjs-scroll-container {
    padding: 10px;
  }
  
  .quatrix-pdf-page {
    margin-bottom: 20px;
  }
  
  .quatrix-pdf-page-number {
    padding: 6px 10px;
    font-size: 11px;
    top: 5px;
    right: 5px;
  }
  
  .quatrix-pdf-canvas-wrapper {
    /* Ensure wrapper fits mobile screen */
    max-width: 100%;
  }
  
  .quatrix-pdf-page canvas {
    /* Ensure canvas is responsive on mobile */
    max-width: 100%;
    height: auto !important;
  }
  
  /* Optimize touch interactions */
  .quatrix-pdf-page .textLayer {
    /* Make text selection easier on mobile */
    -webkit-user-select: text;
    user-select: text;
  }
  
  /* Reduce box shadow on mobile for better performance */
  .quatrix-pdf-canvas-wrapper {
    box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 4px;
  }
  
  .quatrix-pdfjs-toolbar {
    padding: 8px 10px;
    margin-bottom: 10px;
  }
  
  .quatrix-pdf-btn {
    padding: 6px 10px;
    font-size: 13px;
  }
  
  .quatrix-pdf-btn-text {
    display: none;
  }
  
  .quatrix-pdf-icon {
    font-size: 18px;
  }
  
  .quatrix-pdf-zoom-level {
    min-width: 45px;
    font-size: 13px;
  }
}

/* Small mobile devices */
@media (max-width: 480px) {
  .quatrix-pdfjs-scroll-container {
    padding: 5px;
  }
  
  .quatrix-pdf-page {
    margin-bottom: 15px;
  }
  
  .quatrix-pdfjs-loading {
    padding: 20px;
  }
  
  .quatrix-pdfjs-loading-text {
    font-size: 14px;
  }
  
  .quatrix-pdfjs-toolbar {
    gap: 5px;
  }
  
  .quatrix-pdfjs-toolbar-left,
  .quatrix-pdfjs-toolbar-right {
    gap: 5px;
  }
  
  .quatrix-pdf-btn {
    padding: 5px 8px;
  }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .quatrix-pdf-page-number {
    font-size: 10px;
    padding: 4px 8px;
  }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
  .quatrix-pdfjs-scroll-container {
    padding: 15px;
  }
}

/* Print styles */
@media print {
  .quatrix-pdf-page-number {
    display: none;
  }
  
  .quatrix-pdfjs-toolbar {
    display: none;
  }
  
  .quatrix-pdf-page {
    page-break-inside: avoid;
    margin-bottom: 0;
  }
  
  .quatrix-pdf-canvas-wrapper {
    box-shadow: none;
    border: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .quatrix-pdf-canvas-wrapper {
    border: 2px solid #000;
  }
  
  .quatrix-pdf-page-number {
    background: #000;
    border: 1px solid #fff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .quatrix-pdfjs-spinner,
  .quatrix-pdf-spinner {
    animation: none;
    border-top-color: transparent;
  }
}

/* Fullscreen styles */
.quatrix-pdf-fullscreen-active {
  background: #2b2b2b;
  padding: 0;
  overflow-y: auto !important;
  overflow-x: hidden;
  height: 100%;
}

.quatrix-pdf-fullscreen-active .quatrix-pdfjs-toolbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  margin-bottom: 0;
}

.quatrix-pdf-fullscreen-active .quatrix-pdfjs-pages {
  padding: 20px;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.quatrix-pdf-fullscreen-active .quatrix-pdf-page {
  margin-bottom: 40px;
  width: auto;
}

/* Ensure canvas wrapper is always centered in fullscreen */
.quatrix-pdf-fullscreen-active .quatrix-pdf-canvas-wrapper {
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Ensure fullscreen container is scrollable */
.quatrix-pdf-fullscreen-active:fullscreen,
.quatrix-pdf-fullscreen-active:-webkit-full-screen,
.quatrix-pdf-fullscreen-active:-moz-full-screen,
.quatrix-pdf-fullscreen-active:-ms-fullscreen {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Hide fullscreen button on mobile */
@media (max-width: 768px) {
  .quatrix-pdf-fullscreen,
  .quatrix-pdf-print {
    display: none !important;
  }
}