/* PDF Annotation Styles */

.custom-annotation-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

/* PDF.js Highlight Layer */
.pdfjs-highlight-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* PDF.js Highlights */
.pdfjs-highlight {
  position: absolute;
  border-radius: 2px;
  transition: opacity 0.15s ease;
  pointer-events: auto;
  cursor: pointer;
  mix-blend-mode: multiply;
}

.pdfjs-highlight:hover {
  opacity: 1 !important;
}

/* Custom Highlight Annotations */
.pdf-highlight {
  position: absolute;
  border-radius: 2px;
  transition: opacity 0.15s ease;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.pdf-highlight:hover {
  opacity: 0.6 !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

/* Note Annotations */
.pdf-note {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  z-index: 15;
  /* Note: width and height are set dynamically for proper positioning */
}

.note-icon {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.note-icon i {
  font-size: 80%; /* Icon takes most of the space, leaving some padding */
  color: #4fc3f7; /* Blue color for notes */
  transition: all 0.15s ease;
  display: block; /* Ensure proper sizing */
}

.note-icon:hover i {
  color: #29b6f6; /* Darker blue on hover */
  transform: scale(1.1);
}

/* Question Annotations */
.pdf-question {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  z-index: 15;
  /* Note: width and height are set dynamically for proper positioning */
}

.question-icon {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.question-icon i {
  font-size: 80%; /* Icon takes most of the space, leaving some padding */
  color: #66bb6a; /* Green color for questions */
  transition: all 0.15s ease;
  display: block; /* Ensure proper sizing */
}

.question-icon:hover i {
  color: #4caf50; /* Darker green on hover */
  transform: scale(1.1);
}

/* Animation keyframes */
/* Note: Removed noteAppear and questionAppear animations since we no longer use click flyouts */

/* Selected annotation styles */
.pdf-highlight.selected {
  outline: 2px solid #8ab4f8;
  outline-offset: 1px;
  z-index: 12;
}

.pdf-note.selected .note-icon i,
.pdf-question.selected .question-icon i {
  outline: 2px solid #8ab4f8;
  outline-offset: 2px;
  border-radius: 2px; /* Small radius for outline visibility */
}

/* Annotation hover states for better UX */
/* Note: Removed note-content and question-content transform-origin since we no longer use click flyouts */

/* Responsive adjustments for annotations */
@media (max-width: 768px) {
  .note-icon i,
  .question-icon i {
    font-size: 75%; /* Slightly smaller on mobile for better touch targets */
  }
}

@media (max-width: 480px) {
  /* Note: Removed mobile flyout styles since we no longer use click flyouts */
  /* Only hover tooltips are used now, which have their own responsive styles */
}

/* Annotation context menu (for right-click) */
.annotation-context-menu {
  position: fixed;
  background: rgba(42, 42, 42, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 10005;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9);
  transition: all 0.15s ease;
}

.annotation-context-menu.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.context-menu-item {
  background: transparent;
  border: none;
  color: #e8eaed;
  padding: 8px 12px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  border-radius: 4px;
  transition: background-color 0.15s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.context-menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.context-menu-item.danger {
  color: #f48fb1;
}

.context-menu-item.danger:hover {
  background: rgba(244, 143, 177, 0.15);
}

.context-menu-separator {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 4px 0;
}

/* Annotation selection outline */
.annotation-selection-outline {
  position: absolute;
  border: 2px dashed #8ab4f8;
  border-radius: 4px;
  pointer-events: none;
  z-index: 8;
  opacity: 0.7;
  animation: selectionPulse 2s infinite;
}

@keyframes selectionPulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 0.4;
  }
}

/* Annotation navigation highlight effect */
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 20px 10px rgba(37, 99, 235, 0.3);
  }
}
