/* ===== COLOUR PROPERTIES SECTION ===== */

/* Response management styles - Phase 4.5 - Colours */
.response-management {
  border-color: #ffc107;
  background: #fff3cd;
}

.response-size {
  color: #666;
}

.response-options button[aria-pressed="true"] {
  background: #007bff;
  color: #fffff4;
}

.response-preview {
  background: #e1e8ec;
}

/* Cost warning styles - Phase 4.6 preparation - Colours */
.cost-warning-yellow {
  background: #fff3cd;
  color: currentcolor;
}

.cost-warning-orange {
  background: #ffeaa7;
  color: currentcolor;
}

.cost-warning-red {
  background: #ffcccc;
  color: currentcolor;
}

/* PDF Engine Parameter Control - Colours */
.pdf-engine-control {
  border-color: #ddd;
  background-color: #fff;
}

.pdf-engine-control .parameter-label {
  color: #333;
}

.pdf-engine-control .parameter-input {
  border-color: #ccc;
  background-color: #fff;
  color: #333;
}

.pdf-engine-control .parameter-input:focus {
  outline-color: #007acc;
}

.pdf-engine-control .parameter-input:disabled {
  background-color: #e1e8ec;
}

.pdf-engine-control .parameter-help {
  color: currentcolor;
}

/* Engine cost info levels - Colours */
.engine-cost-info.cost-low {
  background-color: #d4edda;
  color: #005051;
  border-color: #c3e6cb;
}

.engine-cost-info.cost-medium {
  background-color: #fff3cd;
  color: #856404;
  border-color: #ffeaa7;
}

.engine-cost-info.cost-high {
  background-color: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

.file-upload-text {
  color: currentcolor;
}

.file-upload-subtext {
  color: currentcolor;
}

.help-text {
  color: currentcolor;
}

/* File Preview Area - Colours */
.file-preview {
  border-color: #002e3b;
  background-color: #fffff4;
}

.preview-filename {
  color: currentcolor;
}

.preview-filesize {
  color: #495961;
}

.preview-remove {
  background-color: #d5007f;
  color: #fffff4;
  border: 0.2rem solid #d5007f;
}

.preview-remove:hover {
  background-color: #8d3970;
  border: 0.2rem solid #8d3970;
  color: #fffff4;
}

.preview-remove:focus {
  outline-color: #005c84;
}

.preview-image {
  border-color: #ddd;
}

.preview-pdf-info {
  background-color: #e1e8ec;
}

.preview-pdf-icon {
  color: #dc3545;
}

.preview-pdf-name {
  color: #333;
}

.preview-pdf-size {
  color: #666;
}

.preview-cost-estimate {
  border: 1px solid currentcolor;
}

/* Cost Estimation - Colours */
.preview-cost-estimate.cost-low {
  background-color: #d4edda;
  border-left-color: #005051;
  color: currentcolor;
}

.preview-cost-estimate.cost-medium {
  background-color: #fff3cd;
  border-left-color: #ffc107;
  color: #856404;
}

.preview-cost-estimate.cost-high {
  background-color: #f8d7da;
  border-left-color: #dc3545;
  color: #721c24;
}

/* Response Size Warning - Colours */
.response-size-warning {
  background-color: #b3dbd2;
  color: currentcolor;
}

/* Error States - Colours */
.file-upload-error {
  border-color: #d5007f;
  background-color: #f8d7da;
  color: currentcolor;
}

.upload-error-message {
  background-color: #f8d7da;
  border-color: #d5007f;
  color: currentcolor;
}

/* Stage 5 Enhanced File Preview Styling - Colours */
.file-preview-content.enhanced-preview {
  background: none;
}

.image-details span {
  background: #e9ecef;
}

.image-info {
  color: currentcolor;
}

.image-preview {
  border: 1px solid #231f20;
  outline: 1px solid #fffff4;
}

.image-preview-error {
  background: none;
  border-color: currentcolor;
  color: currentcolor;
}

.image-preview-error .error-message strong {
  color: currentcolor;
}

.pdf-info-card {
  background: #fffff4;
  border-color: #002e3b;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.pdf-card-header {
  background: #002e3b;
  color: #fffff4;
}

.pdf-stats {
  background: #e1e8ec;
}

.stat-item {
  background: #fffff4;
  border: 1px solid currentcolor;
}

.stat-value {
  color: currentcolor;
}

.cost-breakdown {
  border-top-color: #dee2e6;
}

.cost-breakdown-header {
  color: currentcolor;
}

.engine-option {
  background: #e1e8ec;
  border-color: #e9ecef;
  color: currentcolor;
  border: 1px solid currentcolor;
}

.engine-option.recommended {
  background: #d4edda;
  border-color: #c3e6cb;
  border: 1px solid currentcolor;
}

.engine-option:hover {
  background: #e9ecef;
  border-color: #dee2e6;
}

.engine-option.recommended:hover {
  background: #c8e6c5;
}

.recommended-badge {
  background: #005051;
  color: #fffff4;
}

.engine-cost {
  color: currentcolor;
}

.engine-notes {
  color: currentcolor;
}

.confidence-indicator {
  background: #e9ecef;
  border-top: 1px solid currentcolor;
}

.confidence-indicator.confidence-high {
  background: #d4edda;
  color: currentcolor;
}

.confidence-indicator.confidence-medium {
  background: #fff3cd;
  color: currentcolor;
}

.confidence-indicator.confidence-low {
  background: #f8d7da;
  color: currentcolor;
}

.response-size-warning.warning-large {
  background: #f8d7da;
  border-color: currentcolor;
}

.response-size-warning.warning-very-large {
  background: #f8d7da;
  border-color: currentcolor;
}

.warning-header {
  color: currentcolor;
}

.size-estimate {
  color: currentcolor;
}

.warning-confidence {
  color: currentcolor;
}

.warning-factors {
  color: currentcolor;
}

.warning-recommendation {
  background: rgba(255, 255, 255, 0.7);
  color: currentcolor;
  border: 1px solid currentcolor;
}

.engine-recommendation-display {
  background: #b3dbd2;
  border-color: #b3dbd2;
  border: 1px solid currentcolor;
}

.recommendation-header {
  color: currentcolor;
}

.primary-recommendation {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid currentcolor;
}

.recommended-engine {
  color: currentcolor;
}

.recommendation-reasoning {
  color: currentcolor;
}

.performance-header {
  color: currentcolor;
}

.performance-list {
  color: currentcolor;
}

.generic-file-preview {
  background: #e1e8ec;
}

.file-name {
  color: currentcolor;
}

.file-type {
  color: currentcolor;
}

.file-size,
.complexity,
.processing-time {
  background: #9fb1bd;
  outline: 1px solid currentcolor;
  color: currentcolor;
}

.preview-generation-error {
  background: none;
  border-color: #d5007f;
  color: currentcolor;
}

.error-message {
  color: #d5007f;
}

/* Interactive Engine Cards - Colours (extending existing .engine-option) */
.engine-option.interactive-card {
  background: #e1e8ec;
  border-color: #e9ecef;
  color: currentcolor;
}

.engine-option.interactive-card:hover {
  background: #e9ecef;
  border-color: #005c84;
}

.engine-option.interactive-card:focus-within {
  outline-color: #005c84;
  border-color: #005c84;
}

.engine-option.interactive-card.selected {
  background: #d4edda;
  border-color: #005051;
  color: currentcolor;
}

.engine-option.interactive-card.recommended {
  background: #d4edda;
  border-color: #c3e6cb;
}

.engine-option.interactive-card.recommended:hover {
  background: #c8e6c5;
}

.engine-option.interactive-card.recommended.selected {
  background: #d4edda;
  border-color: #005051;
}

/* Native Radio Button Styling - Colours */
.engine-radio {
  accent-color: #005051;
  color: #005051;
}

.engine-radio:focus {
  outline-color: #005c84;
}

/* Interactive Card Content - Colours */
.engine-option.interactive-card .engine-cost {
  color: currentcolor;
}

.engine-option.interactive-card .engine-notes {
  color: currentcolor;
}

/* Recommended Badge Container - Use existing styling */
.recommended-badge-container .recommended-badge {
  background: #005051;
  color: #fffff4;
}

/* Engine Options Fieldset - Colours */
.engine-options-fieldset {
  border-color: transparent;
  background: none;
}

/* ===== STRUCTURAL PROPERTIES SECTION ===== */

/* Response management styles - Phase 4.5 - Structure */
.response-management {
  margin: 1rem 0;
  padding: 1rem;
  border-width: 2px;
  border-style: solid;
  border-radius: 8px;
}

.response-size-alert {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.response-size {
  margin-left: auto;
  font-size: 0.9em;
}

.response-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.response-options button {
  flex: 1;
  min-width: 120px;
  padding: 0.5rem 1rem;
}

.response-preview {
  margin-top: 1rem;
  padding: 0.5rem;
  border-radius: 4px;
}

/* Cost warning styles - Phase 4.6 preparation - Structure */
.cost-display {
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.cost-warning-yellow,
.cost-warning-orange {
  border-width: 1px;
  border-style: solid;
  font-weight: 600;
}

.cost-warning-red {
  border-width: 2px;
  border-style: solid;
  font-weight: bold;
}

/* Icon indicators for cost warnings */
.cost-warning-yellow::before {
  content: "⚠️ ";
}

.cost-warning-orange::before {
  content: "⚠️⚠️ ";
}

.cost-warning-red::before {
  content: "🚨 ";
}

/* PDF Engine Parameter Control - Structure */
.pdf-engine-control {
  margin-bottom: 1rem;
  padding: 1rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 0.375rem;
}

.pdf-engine-control .parameter-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pdf-engine-control .parameter-input {
  width: 100%;
  padding: 0.5rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 0.25rem;
  font-size: 1rem;
}

.pdf-engine-control .parameter-input:focus {
  outline-width: 2px;
  outline-style: solid;
  outline-offset: 2px;
}

.pdf-engine-control .parameter-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.pdf-engine-control .parameter-help {
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

.pdf-engine-control .engine-cost-info {
  margin-top: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Engine cost info levels - Structure */
.engine-cost-info.cost-low,
.engine-cost-info.cost-medium,
.engine-cost-info.cost-high {
  border-width: 1px;
  border-style: solid;
}

/* Accessibility enhancements */
.pdf-engine-control[aria-hidden="true"] {
  display: none;
}

/* File Upload Section - Structure */
.file-upload-section {
  margin-bottom: 1rem;
  border-width: 2px;
  border-style: dashed;
  border-radius: 8px;
  padding: 1rem;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.file-upload-section.drag-over {
  border-style: solid;
}

/* File Upload Controls - Structure */
.file-upload-controls {
  position: relative;
}

.file-upload-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 1.5rem;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 6px;
  transition: all 0.3s ease;
  text-align: center;
}

.file-upload-label:focus-within {
  outline-width: 3px;
  outline-style: solid;
  outline-offset: 2px;
}

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.file-upload-text {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.file-upload-subtext {
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0;
}

/* Help Text - Structure */
.help-text {
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0;
  margin-top: 0.75rem;
}

/* File Preview Area - Structure */
.file-preview {
  margin-top: 1rem;
  padding: 1rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.preview-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}

.preview-filename {
  font-weight: 600;
  word-break: break-word;
}

.preview-filesize {
  font-size: 0.875rem;
}

.preview-remove {
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.25rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-remove:hover {
  transform: scale(1.1);
}

/* Preview Content - Structure */
.preview-content {
  margin-bottom: 1rem;
}

.preview-image {
  max-width: 200px;
  max-height: 200px;
  border-radius: 4px;
  border-width: 1px;
  border-style: solid;
  object-fit: cover;
}

.preview-pdf-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 4px;
}

.preview-pdf-icon {
  font-size: 2rem;
}

.preview-pdf-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.preview-pdf-name {
  font-weight: 600;
}

.preview-pdf-size {
  font-size: 0.875rem;
}

/* Cost Estimation - Structure */
.preview-cost-estimate {
  padding: 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  line-height: 1.4;
  border-left-width: 4px;
  border-left-style: solid;
}

.cost-breakdown {
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

/* Response Size Warning - Structure */
.response-size-warning {
  padding: 0.75rem;
  border-left-width: 4px;
  border-left-style: solid;
  border-radius: 4px;
  line-height: 1.4;
}

#response-warning {
  font-size: 0.8rem;
  border: solid 0px;
  border-left-width: 4px;
  border-left-style: solid;
  border-radius: 4px;
  font-weight: 600;
  border-left-color: #002e3b;
}

/* Error States - Structure */
.upload-error-message {
  margin-top: 0.5rem;
  padding: 0.5rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Stage 5 Enhanced File Preview Styling - Structure */
.file-preview-content.enhanced-preview {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  border-radius: 8px;
}

/* Image Preview Styling - Structure */
.image-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.image-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  object-fit: contain;
}

.image-info {
  text-align: center;
  font-size: 0.9rem;
}

.image-details {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.image-details span {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* Image Error Handling - Structure */
.image-preview-error {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
}

.image-preview-error .error-icon {
  font-size: 2rem;
}

.image-preview-error .error-message {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* PDF Info Card Styling - Structure */
.pdf-info-card {
  border-width: 1px;
  border-style: solid;
  border-radius: 8px;
  overflow: hidden;
}

.pdf-card-header {
  display: flex;
  justify-content: between;
  align-items: center;
  padding: 1rem;
}

.pdf-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
  word-break: break-word;
}

.pdf-icon {
  font-size: 1.5rem;
  margin-left: 1rem;
  opacity: 0.8;
}

.pdf-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
  padding: 1rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.stat-icon {
  font-size: 1rem;
}

.stat-value {
  font-weight: 500;
}

/* Cost Breakdown Styling - Structure */
.cost-breakdown {
  padding: 1rem;
}

.cost-breakdown-header {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
}

.cost-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.engine-option {
  padding: 0.75rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
  transition: all 0.2s ease;
  position: relative;
}

.engine-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.recommended-badge {
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.engine-cost {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.engine-notes {
  font-size: 0.85rem;
}

/* Confidence Indicator - Structure */
.confidence-indicator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

.confidence-label {
  font-weight: 500;
}

.confidence-value {
  text-transform: capitalize;
  font-weight: 600;
}

/* Response Size Warning Styling - Structure */
.response-size-warning {
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
  padding: 1rem;
  margin-top: 1rem;
}

.warning-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.warning-icon {
  font-size: 1.2rem;
}

.warning-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.size-estimate {
  font-weight: 500;
}

.warning-factors {
  margin: 0.5rem 0 0 0;
  padding-left: 1.25rem;
}

.warning-factors li {
  margin-bottom: 0.25rem;
}

.warning-recommendation {
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

/* Engine Recommendation Display - Structure */
.engine-recommendation-display {
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
  padding: 1rem;
  margin-top: 1rem;
}

.recommendation-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
}

.recommendation-icon {
  font-size: 1.2rem;
}

.primary-recommendation {
  padding: 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.recommendation-reasoning {
  margin: 0 0 0.75rem 0;
  padding-left: 1.25rem;
  font-size: 0.8rem;
}

.recommendation-reasoning li {
  margin-bottom: 0.25rem;
}

.performance-notes {
  margin-top: 0.75rem;
  font-size: 0.8rem;
}

.performance-header {
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.performance-list {
  margin: 0;
  padding-left: 1.25rem;
}

.performance-list li {
  margin-bottom: 0.25rem;
}

/* Generic File Preview - Structure */
.generic-file-preview {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 6px;
}

.generic-file-icon {
  font-size: 2.5rem;
  opacity: 0.6;
}

.generic-file-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.file-name {
  font-weight: 500;
}

.file-type {
  font-size: 0.9rem;
}

.file-size {
  font-size: 0.85rem;
}

/* Preview Generation Error - Structure */
.preview-generation-error {
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
  padding: 1rem;
}

.error-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.error-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.error-message {
  font-family: monospace;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* Interactive Engine Cards - Structure (extending existing .engine-option) */
.engine-option.interactive-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-width: 1px;
  border-style: solid;
  border-radius: 6px;
  transition: all 0.2s ease;
  min-height: 4rem;
  cursor: pointer;
}

.engine-option.interactive-card:focus-within {
  outline-width: 2px;
  outline-style: solid;
  outline-offset: 2px;
}

.engine-option.interactive-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Engine Options Fieldset - Structure */
.engine-options-fieldset {
  border: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.cost-options-list.interactive {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Native Radio Button Styling - Structure */
.engine-radio {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  cursor: pointer;
}

.engine-radio:focus {
  outline-width: 2px;
  outline-style: solid;
  outline-offset: 2px;
}

/* Interactive Card Content Layout - Structure */
.engine-option.interactive-card .engine-name {
  flex: 1;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0;
}

.engine-option.interactive-card .engine-cost {
  font-size: 0.9rem;
  font-weight: 500;
  text-align: right;
  min-width: 8rem;
  margin-bottom: 0;
}

/* Recommended Badge Container - Structure */
.recommended-badge-container {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  min-width: fit-content;
}

.recommended-badge-container .recommended-badge {
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.engine-option.interactive-card .engine-details {
  flex-basis: 100%;
  margin-top: 0.5rem;
}

.engine-option.interactive-card .engine-notes {
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.3;
}

/* Accessibility enhancements */
@media (prefers-reduced-motion: reduce) {
  .response-management {
    transition: none;
  }

  .cost-warning-red {
    animation: none;
  }

  .image-preview,
  .engine-option {
    transition: none;
  }

  .image-loading .image-preview {
    animation: none;
  }

  * {
    transition: none !important;
    animation: none !important;
  }

  .engine-option.interactive-card {
    transition: none;
  }

  .engine-option.interactive-card:hover {
    transform: none;
  }
}

/* High contrast support */
@media (prefers-contrast: high) {
  .response-management {
    border-width: 3px;
  }

  .file-upload-section {
    border-width: 3px;
  }

  .pdf-engine-control {
    border-width: 2px;
  }

  .pdf-engine-control .parameter-input:focus {
    outline-width: 3px;
  }

  .file-upload-label:focus-within {
    outline-width: 4px;
  }

  .engine-cost-info.cost-low,
  .engine-cost-info.cost-medium,
  .engine-cost-info.cost-high {
    border-width: 2px;
  }

  .pdf-info-card,
  .engine-option,
  .response-size-warning,
  .engine-recommendation-display {
    border-width: 2px;
  }

  .recommended-badge {
    border: 1px solid currentColor;
  }

  .engine-option.interactive-card {
    border-width: 2px;
  }

  .engine-option.interactive-card:focus-within {
    outline-width: 3px;
  }

  .engine-radio {
    outline-width: 3px;
  }

  .recommended-badge-container .recommended-badge {
    border: 1px solid currentColor;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .file-upload-label {
    min-height: 100px;
    padding: 1rem;
  }

  .file-upload-text {
    font-size: 1rem;
  }

  .preview-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .preview-remove {
    align-self: flex-end;
  }

  .preview-image {
    max-width: 150px;
    max-height: 150px;
  }

  .pdf-stats {
    grid-template-columns: 1fr;
  }

  .image-details {
    flex-direction: column;
    gap: 0.5rem;
  }

  .cost-options-list {
    gap: 0.75rem;
  }

  .engine-name {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .cost-options-list.interactive {
    gap: 0.5rem;
  }

  .engine-option.interactive-card {
    padding: 0.75rem;
    gap: 0.75rem;
    min-height: 3.5rem;
    flex-wrap: wrap;
  }

  .engine-option.interactive-card .engine-name {
    font-size: 0.9rem;
    flex: 1;
    min-width: 0;
  }

  .engine-option.interactive-card .engine-cost {
    font-size: 0.8rem;
    min-width: 6rem;
    text-align: left;
  }

  .engine-radio {
    width: 1.1rem;
    height: 1.1rem;
  }

  .recommended-badge-container {
    order: 1;
  }

  .recommended-badge-container .recommended-badge {
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
  }
}

/* Print Styles */
@media print {
  .engine-option.interactive-card {
    border: 1px solid #000;
    box-shadow: none;
    background-color: white;
    margin-bottom: 0.5rem;
    break-inside: avoid;
  }

  .engine-option.interactive-card.selected::before {
    content: "✓ ";
    font-weight: bold;
  }

  .engine-radio {
    print-color-adjust: exact;
  }
}