/* PDF Upload Styling */

/* Upload button */
.upload-pdf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.upload-pdf-btn svg {
  transition: transform 0.2s ease;
}

.upload-pdf-btn:hover svg {
  transform: translateY(-2px);
}

/* Upload modal */
.upload-modal {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear 0.2s, opacity 0.2s ease;
}

.upload-modal.visible {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

/* Drop zone */
.drop-zone {
  transition: all 0.2s ease;
}

.drop-zone.drag-active {
  border-color: #4f46e5;
  background-color: #eef2ff;
  transform: scale(1.02);
}

/* Upload progress */
.progress-container {
  overflow: hidden;
  height: 0;
  opacity: 0;
  transition: all 0.3s ease;
}

.progress-container.visible {
  height: auto;
  opacity: 1;
  margin-top: 1rem;
}

.progress-bar {
  transition: width 0.2s ease;
}

/* Upload status indicators */
.upload-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-pending .status-indicator {
  background-color: #f59e0b;
  animation: pulse 1.5s infinite;
}

.status-scanning .status-indicator,
.status-sanitizing .status-indicator {
  background-color: #3b82f6;
  animation: pulse 1.2s infinite;
}

.status-completed .status-indicator {
  background-color: #10b981;
}

.status-failed .status-indicator,
.status-infected .status-indicator {
  background-color: #ef4444;
}

/* Upload card */
.upload-card {
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}

.upload-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Reference styling in AI responses */
.pdf-reference {
  position: relative;
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  background-color: #f3f4f6;
  border-left: 3px solid #4f46e5;
  border-radius: 0.25rem;
  font-size: 0.875rem;
}

.pdf-reference::before {
  content: "PDF Reference";
  display: block;
  font-weight: 600;
  font-size: 0.75rem;
  color: #4f46e5;
  margin-bottom: 0.25rem;
}

.pdf-reference .filename {
  font-weight: 500;
}

/* Animation keyframes */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Empty state for upload list */
.uploads-empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: #9ca3af;
  border: 1px dashed #e5e7eb;
  border-radius: 0.375rem;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .upload-modal-content {
    width: 90%;
    max-width: none;
  }
}