/* OCR Document Scanner styles - supplements ../style.css */

.demo-desc {
  font-size: 14px;
  color: var(--text-faint);
  margin-bottom: 24px;
  line-height: 1.7;
  max-width: 680px;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.upload-zone.drag-over {
  transform: scale(1.01);
}

.upload-zone:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--text-faint);
  transition: color 0.3s var(--ease);
}

.upload-zone:hover .upload-icon,
.upload-zone.drag-over .upload-icon {
  color: var(--accent);
}

.upload-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.upload-subtitle {
  font-size: 13px;
  color: var(--text-faint);
}

.upload-input {
  display: none;
}

/* Progress */
.progress-section {
  margin-top: 32px;
  display: none;
}

.progress-section.active {
  display: block;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.progress-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-faint);
}

.progress-pct {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.progress-bar {
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #a3e635);
  border-radius: 3px;
  transition: width 0.3s var(--ease);
}

/* Results */
.results {
  margin-top: 40px;
  display: none;
}

.results.active {
  display: block;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .results-grid { grid-template-columns: 1fr; }
}

/* Card Title Row (results cards) */
.card-title-row {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title-row svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

/* Preview */
.preview-area {
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-area img {
  max-width: 100%;
  max-height: 400px;
  display: block;
  object-fit: contain;
}

/* Raw Text */
.raw-text {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-faint);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  max-height: 350px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Extracted Data Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table tr {
  border-bottom: 1px solid var(--border);
}

.data-table tr:last-child {
  border-bottom: none;
}

.data-table td {
  padding: 10px 0;
  font-size: 13px;
}

.data-table .field-name {
  color: var(--text-faint);
  font-weight: 500;
  width: 40%;
  padding-right: 12px;
}

.data-table .field-value {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.field-value.empty {
  color: var(--text-faint);
  font-weight: 400;
  font-style: italic;
}

/* Fraud Alerts */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
}

.alert-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-ok {
  background: rgba(52, 211, 153, 0.08);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.15);
}

.alert-warn {
  background: rgba(251, 191, 36, 0.08);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.15);
}

.alert-danger {
  background: rgba(248, 113, 113, 0.08);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.15);
}

/* Actions */
.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ============ Sample Buttons ============ */
.sample-section {
  margin-top: 20px;
}

.sample-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

.sample-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sample-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim, #8888a0);
  font-family: var(--font, inherit);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.sample-btn svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.sample-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.sample-btn:disabled {
  opacity: 0.5;
  cursor: wait;
  transform: none;
}

/* ============ Preprocessing Toggle ============ */
.preprocess-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.preprocess-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim, #8888a0);
}

.preprocess-info {
  font-size: 11px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  margin-left: auto;
}

.toggle-switch {
  position: relative;
  width: 38px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s var(--ease);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

/* ============ Preview Tabs ============ */
.preview-tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
  background: var(--bg, #0b0b0e);
  border-radius: 6px;
  padding: 2px;
}

.preview-tab {
  padding: 4px 12px;
  border: none;
  background: transparent;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preview-tab:hover {
  color: var(--text-dim, #8888a0);
}

.preview-tab.active {
  background: var(--accent);
  color: #000;
}

/* ============ Confidence Legend ============ */
.confidence-legend {
  display: flex;
  gap: 12px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-faint);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot.high { background: #34d399; }
.legend-dot.mid { background: #fbbf24; }
.legend-dot.low { background: #f87171; }

/* ============ Word-Level Confidence ============ */
.word-high { color: #c0e8d0; }
.word-mid { color: #fbbf24; }
.word-low { color: #f87171; text-decoration: underline; text-decoration-style: wavy; text-underline-offset: 2px; }

/* ============ OCR Confidence Bar ============ */
.ocr-confidence-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  margin-bottom: 10px;
}

.ocr-confidence-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-faint);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.ocr-confidence-track {
  flex: 1;
  height: 6px;
  background: var(--bg, #0b0b0e);
  border-radius: 3px;
  overflow: hidden;
}

.ocr-confidence-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 0.5s var(--ease);
  background: linear-gradient(90deg, #34d399, #a3e635);
}

.ocr-confidence-val {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
}

/* ============ Document Type Badge ============ */
.doc-type-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 5px;
  margin-left: auto;
  color: var(--doc-color, var(--accent));
  background: color-mix(in srgb, var(--doc-color, var(--accent)) 12%, transparent);
}

@media (max-width: 600px) {
  .sample-grid { flex-direction: column; }
  .preprocess-bar { flex-wrap: wrap; }
  .preprocess-info { width: 100%; margin-left: 48px; margin-top: -4px; }
  .confidence-legend { display: none; }
  .preview-tabs { display: none; }
}