/* Feature 034 — Document Intelligence demo experience.
   Colours, type and motion come from brand.css; this sheet only declares the spacing/radius
   supplements the demo surface needs (like admin.css does on .admin-page) and the demo composition.
   Scoped to .di-demo (Demo tab) and .di-settings (admin editor section + Settings tab). */
.di-demo, .di-settings {
    --di-space-1: 4px; --di-space-2: 8px; --di-space-3: 12px; --di-space-4: 16px; --di-space-5: 24px; --di-space-6: 32px;
    --di-radius-sm: 8px; --di-radius-md: 12px; --di-radius-lg: 16px;
    --di-shadow-card: 0 10px 30px -22px rgba(0, 0, 0, .25);
    --di-viewer-bg: var(--an-gray-1);
    --di-highlight: var(--an-red);
    --di-highlight-muted: rgba(26, 26, 26, .55);
    --di-review: var(--an-red);
    --di-success: #2E7D43;
    min-width: 0;
}

/* Admin editor section (Admin → Demos) */
.di-editor .di-editor-note { color: var(--an-red); font-weight: 600; }
.di-editor-columns { display: grid; gap: var(--di-space-3); margin-top: var(--di-space-3); }
.di-editor-columns-head { display: flex; align-items: center; justify-content: space-between; gap: var(--di-space-3); flex-wrap: wrap; }
.di-editor-columns-head h4 { margin: 0; font-size: 15px; font-weight: 700; }
.di-count { margin-left: var(--di-space-2); font-family: var(--an-font-mono); font-size: 13px; font-weight: 500; color: var(--an-gray-4); }
.di-editor-column { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 0.7fr) auto; gap: var(--di-space-3); align-items: start; padding: var(--di-space-3); border: 1px solid var(--an-border); border-radius: var(--di-radius-md); background: var(--an-white); }
.di-editor-column-actions { padding-top: var(--di-space-1); }
.di-field-path { margin-left: var(--di-space-2); font-family: var(--an-font-mono); font-size: 12px; color: var(--an-gray-4); }
.di-editor-errors { margin: var(--di-space-3) 0 0; padding-left: 20px; color: var(--an-red); font-size: 15px; }
@media (max-width: 959.98px) { .di-editor-column { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Shared text and states ---------- */
.di-demo h2, .di-demo h3, .di-demo h4 { margin: 0; letter-spacing: -0.01em; }
.di-demo h2 { font-size: 22px; font-weight: 800; }
.di-demo h3 { font-size: 18px; font-weight: 700; }
.di-demo h4 { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--an-gray-3); }
.di-lead, .di-meta { margin: var(--di-space-1) 0 0; color: var(--an-gray-3); font-size: 15px; line-height: 1.5; }
.di-meta { color: var(--an-gray-4); }
.di-status { margin: var(--di-space-5) 0; color: var(--an-gray-3); }
.di-empty { margin-top: var(--di-space-5); }
.di-notice { margin: var(--di-space-3) 0; padding: var(--di-space-3) var(--di-space-4); border: 1px solid var(--an-border-2); border-radius: var(--di-radius-md); background: var(--an-paper); color: var(--an-gray-2); font-size: 15px; }
.di-notice-action { display: flex; align-items: center; justify-content: space-between; gap: var(--di-space-3); flex-wrap: wrap; }
.di-badge { display: inline-block; margin-left: var(--di-space-2); padding: 1px 8px; border-radius: var(--di-radius-sm); background: var(--an-red-wash); color: var(--an-red); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; vertical-align: middle; }
.di-link-button { background: none; border: 0; padding: 0; color: var(--an-red); font: inherit; font-weight: 700; cursor: pointer; }
.di-link-button:hover { text-decoration: underline; }

/* ---------- Toolbar ---------- */
.di-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--di-space-3); margin: var(--di-space-3) 0 var(--di-space-5); }
.di-toolbar-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--di-space-3); min-width: 0; }
.di-model-select { min-width: 260px; }
.di-segments { display: inline-flex; gap: 2px; padding: 3px; border-radius: var(--di-radius-md); background: var(--an-border); }
.di-segment { display: inline-flex; align-items: center; gap: var(--di-space-2); min-height: 44px; padding: 0 var(--di-space-4); border: 0; border-radius: 10px; background: transparent; color: var(--an-gray-3); font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; }
.di-segment.is-active { background: var(--an-white); color: var(--an-ink); box-shadow: var(--di-shadow-card); }
.di-segment:disabled { opacity: .5; cursor: not-allowed; }
.di-segment-count { padding: 0 8px; border-radius: var(--di-radius-sm); background: var(--an-paper); border: 1px solid var(--an-border-2); font-family: var(--an-font-mono); font-size: 13px; font-weight: 600; }

/* ---------- Custom fields ---------- */
.di-custom-fields { margin: 0 0 var(--di-space-5); padding: var(--di-space-5); border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); }
.di-custom-fields.is-compact { margin: var(--di-space-4) 0; padding: var(--di-space-4) 0 0; border: 0; border-top: 1px solid var(--an-border); border-radius: 0; background: transparent; }
.di-custom-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--di-space-3); }
.di-custom-fields.is-compact h3 { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--an-gray-3); }
.di-chips { display: flex; flex-wrap: wrap; gap: var(--di-space-2); margin: var(--di-space-3) 0 0; padding: 0; list-style: none; }
.di-chip { display: inline-flex; align-items: center; gap: 4px; padding: 4px 6px 4px 12px; border: 1px solid rgba(26, 26, 26, .06); border-radius: var(--di-radius-sm); background: var(--an-paper); color: var(--an-ink); font-size: 15px; font-weight: 600; }
.di-chip-remove { width: 32px; height: 32px; border: 0; border-radius: 6px; background: transparent; color: var(--an-gray-4); font-size: 18px; line-height: 1; cursor: pointer; }
.di-chip-remove:hover { color: var(--an-red); background: var(--an-red-wash); }
.di-custom-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--di-space-3); align-items: start; margin-top: var(--di-space-3); }
.di-count { margin-left: var(--di-space-2); font-family: var(--an-font-mono); font-size: 13px; font-weight: 500; color: var(--an-gray-4); white-space: nowrap; }

/* ---------- Gallery ---------- */
.di-section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--di-space-3); margin-bottom: var(--di-space-4); }
.di-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.di-card { display: flex; flex-direction: column; align-items: stretch; width: 100%; padding: 0; border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); color: var(--an-ink); text-align: left; font: inherit; cursor: pointer; overflow: hidden; box-shadow: var(--di-shadow-card); transition: transform var(--an-duration-fast, .2s) var(--an-ease), box-shadow var(--an-duration-fast, .2s) var(--an-ease), border-color var(--an-duration-fast, .2s) var(--an-ease); }
.di-card:hover, .di-card:focus-visible { transform: translateY(-4px); box-shadow: 0 18px 44px -26px rgba(26, 27, 25, .3); border-color: var(--an-red); }
.di-card-thumb { position: relative; display: block; width: 100%; aspect-ratio: 1 / 1.15; background: var(--an-paper); border-bottom: 1px solid var(--an-border); overflow: hidden; }
.di-card-canvas { position: absolute; inset: 14px 14px 0; display: block; background: var(--an-white); box-shadow: 0 4px 16px -8px rgba(0, 0, 0, .3); overflow: hidden; }
.di-card-canvas canvas, .di-card-canvas img { display: block; width: 100%; height: auto; }
.di-card-flag { position: absolute; left: var(--di-space-3); bottom: var(--di-space-3); padding: 2px 8px; border-radius: var(--di-radius-sm); background: var(--an-red); color: #fff; font-size: 12px; font-weight: 700; }
.di-card-open { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 10px 18px; white-space: nowrap; border-radius: var(--di-radius-md); background: var(--an-white); color: var(--an-ink); font-size: 15px; font-weight: 700; box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .4); opacity: 0; transition: opacity var(--an-duration-fast, .2s) var(--an-ease); pointer-events: none; }
.di-card:hover .di-card-thumb::after, .di-card:focus-visible .di-card-thumb::after { content: ""; position: absolute; inset: 0; background: rgba(26, 26, 26, .35); }
.di-card:hover .di-card-open, .di-card:focus-visible .di-card-open { opacity: 1; z-index: 1; }
.di-card.is-unavailable .di-card-thumb { opacity: .6; }
.di-card-body { display: grid; width: 100%; gap: 4px; padding: var(--di-space-4); }
.di-card-status { color: var(--an-gray-4); font-size: 14px; }
.di-card-status.is-analyzed { color: var(--di-success); font-weight: 600; }
.di-card-title { font-size: 17px; font-weight: 700; line-height: 1.3; }
.di-card-meta { color: var(--an-gray-4); font-size: 14px; }

/* ---------- Document view ---------- */
.di-document-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--di-space-4); margin-bottom: var(--di-space-4); }
.di-document-title { flex: 1 1 240px; min-width: 0; }
.di-document-title h2 { font-size: 20px; overflow-wrap: anywhere; }
.di-pager { display: inline-flex; align-items: center; gap: var(--di-space-1); }
.di-pager-label { min-width: 56px; text-align: center; font-size: 15px; color: var(--an-gray-3); }
.di-document-view { display: grid; grid-template-columns: minmax(0, 3fr) minmax(320px, 2fr); gap: var(--di-space-5); align-items: start; }

/* ---------- Viewer ---------- */
.di-viewer { display: flex; flex-direction: column; min-width: 0; border-radius: var(--di-radius-lg); background: var(--di-viewer-bg); color: #fff; overflow: hidden; }
.di-viewer.is-fullscreen { border-radius: 0; height: 100vh; }
.di-viewer-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--di-space-3); padding: var(--di-space-2) var(--di-space-3); border-bottom: 1px solid rgba(255, 255, 255, .10); font-size: 14px; }
.di-viewer-pages { display: inline-flex; align-items: center; gap: var(--di-space-2); color: rgba(255, 255, 255, .70); }
.di-page-input { width: 52px; min-height: 36px; padding: 0 8px; border: 1px solid rgba(255, 255, 255, .20); border-radius: var(--di-radius-sm); background: rgba(255, 255, 255, .06); color: #fff; font: inherit; text-align: center; }
.di-viewer-zoom { display: inline-flex; align-items: center; gap: var(--di-space-1); }
.di-zoom-label { min-width: 52px; text-align: center; color: rgba(255, 255, 255, .70); font-family: var(--an-font-mono); }
.di-viewer-button { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; border: 0; border-radius: var(--di-radius-sm); background: transparent; color: #fff; font: inherit; font-size: 18px; text-decoration: none; cursor: pointer; }
.di-viewer-button .mud-icon-root { width: 18px; height: 18px; font-size: 18px; }
.di-viewer-button:hover { background: rgba(255, 255, 255, .10); }
.di-viewer-button:disabled { opacity: .45; cursor: not-allowed; }
.di-viewer-button:focus-visible { outline: 2px solid var(--an-red-light); outline-offset: 2px; }
.di-viewer-scroll { position: relative; overflow: auto; max-height: min(78vh, 1100px); padding: var(--di-space-5); }
.di-viewer.is-fullscreen .di-viewer-scroll { max-height: none; flex: 1; }
.di-viewer-stage { position: relative; margin: 0 auto; background: var(--an-white); box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .6); }
.di-viewer-host canvas, .di-viewer-host img { display: block; }
.di-viewer-error { margin: 0 0 var(--di-space-3); color: rgba(255, 255, 255, .8); }
.di-overlay { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.di-highlight polygon { fill: rgba(26, 26, 26, .04); stroke: var(--di-highlight-muted); stroke-width: .012; vector-effect: non-scaling-stroke; cursor: pointer; transition: fill var(--an-duration-fast, .2s) var(--an-ease); }
.di-highlight polygon { stroke-width: 1.5px; }
.di-highlight:hover polygon { fill: rgba(167, 37, 44, .10); }
.di-highlight.is-review polygon { stroke: var(--di-review); stroke-dasharray: 4 3; }
.di-highlight.is-active polygon { fill: rgba(167, 37, 44, .18); stroke: var(--di-highlight); stroke-width: 2.5px; stroke-dasharray: none; }
.di-highlight:focus-visible { outline: none; }
.di-highlight:focus-visible polygon { stroke: var(--an-red-light); stroke-width: 3px; }
.di-highlight-label { font-family: var(--an-font-sans); font-size: 0.18px; font-weight: 700; fill: var(--an-red); paint-order: stroke; stroke: #fff; stroke-width: 0.06px; stroke-linejoin: round; pointer-events: none; }

/* ---------- Analysis panel ---------- */
.di-panel { display: flex; flex-direction: column; gap: var(--di-space-4); min-width: 0; padding: var(--di-space-5); border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); box-shadow: var(--di-shadow-card); }
.di-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--di-space-3); }
.di-panel-head > div { min-width: 0; }
.di-analyzed-by { font-size: 14px; }
.di-progress-meta { display: flex; justify-content: space-between; gap: var(--di-space-3); font-size: 14px; color: var(--an-gray-3); }
.di-progress { height: 6px; border-radius: 999px; background: var(--an-border-2); overflow: hidden; }
.di-progress-fill { display: block; height: 100%; border-radius: 999px; background: var(--an-red); transition: width .3s var(--an-ease); }
.di-steps { display: grid; gap: var(--di-space-3); margin: 0; padding: 0; list-style: none; }
.di-step { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: var(--di-space-3); color: var(--an-gray-4); font-size: 15px; }
.di-step-mark { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border: 2px solid var(--an-border-2); border-radius: 999px; font-size: 13px; font-weight: 700; }
.di-step.is-done { color: var(--an-gray-2); }
.di-step.is-done .di-step-mark { border-color: var(--an-ink); background: var(--an-ink); color: #fff; }
.di-step.is-current { color: var(--an-ink); font-weight: 700; }
.di-step.is-current .di-step-mark { border-color: var(--an-red); }
.di-step.is-current .di-step-mark::after { content: ""; width: 10px; height: 10px; border-radius: 999px; background: var(--an-red); animation: di-pulse 1.2s ease-in-out infinite; }
@keyframes di-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.di-step-time { font-family: var(--an-font-mono); font-size: 13px; color: var(--an-gray-4); }
.di-found { display: flex; flex-wrap: wrap; align-items: center; gap: var(--di-space-2); padding-top: var(--di-space-3); border-top: 1px solid var(--an-border); }
.di-found-label { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--an-gray-4); }
.di-found-chip { padding: 2px 10px; border-radius: var(--di-radius-sm); background: var(--an-paper); border: 1px solid var(--an-border-2); font-size: 13px; font-weight: 600; }
.di-models { display: grid; gap: var(--di-space-2); margin: 0; padding: 0; border: 0; min-width: 0; }
.di-models legend { padding: 0; margin-bottom: var(--di-space-1); font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--an-gray-3); }
.di-model { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: var(--di-space-3); align-items: start; padding: var(--di-space-3) var(--di-space-4); border: 1px solid var(--an-border); border-radius: var(--di-radius-md); background: var(--an-white); cursor: pointer; }
.di-model.is-selected { border-color: var(--an-red); background: #fdf6f6; }
.di-model input { margin: 2px 0 0; accent-color: var(--an-red); width: 18px; height: 18px; }
.di-model-copy { display: grid; gap: 2px; }
.di-model-name { font-size: 16px; font-weight: 700; }
.di-model-desc { color: var(--an-gray-3); font-size: 14px; }
.di-models:disabled .di-model { opacity: .5; cursor: not-allowed; }
.di-analyze-button { min-height: 48px; }
.di-placeholder-results { display: grid; gap: var(--di-space-3); padding: var(--di-space-4); border: 1px dashed var(--an-border-2); border-radius: var(--di-radius-md); color: var(--an-gray-4); font-size: 15px; }
.di-skeleton { display: block; height: 10px; border-radius: 999px; background: var(--an-border); }
.di-skeleton:nth-child(3) { width: 80%; }
.di-skeleton:nth-child(4) { width: 90%; }
.di-failure { padding: var(--di-space-3) var(--di-space-4); border: 1px solid var(--an-red); border-radius: var(--di-radius-md); background: var(--an-red-wash); color: var(--an-ink); font-size: 15px; }
.di-failure p { margin: 4px 0 0; }
.di-result-tabs .mud-tabs-toolbar { border-bottom: 1px solid var(--an-border-2); }
.di-result-tabs .mud-tab { min-height: 44px; text-transform: none; font-weight: 700; font-size: 15px; }
.di-result-tabs .mud-tab.mud-tab-active { color: var(--an-red); }
.di-result-tabs .mud-tab-slider { background: var(--an-red); }
.di-panel-foot { display: flex; flex-wrap: wrap; gap: var(--di-space-2); padding-top: var(--di-space-3); border-top: 1px solid var(--an-border); }
.di-panel-foot .mud-button-root { flex: 1 1 auto; }

/* ---------- Fields ---------- */
.di-fields { display: grid; gap: var(--di-space-4); padding-top: var(--di-space-3); }
.di-field-group { display: grid; gap: 2px; }
.di-group-head { display: flex; align-items: center; gap: var(--di-space-2); padding: var(--di-space-2) 0; }
.di-group-head .di-link-button { margin-left: auto; font-size: 14px; }
.di-custom-group { padding: var(--di-space-2) var(--di-space-3); border-radius: var(--di-radius-md); background: var(--an-paper); }
.di-field { display: grid; grid-template-columns: minmax(96px, 0.9fr) minmax(0, 1.4fr) auto; gap: var(--di-space-3); align-items: center; width: 100%; padding: var(--di-space-2) var(--di-space-3); border: 1px solid transparent; border-radius: var(--di-radius-sm); background: transparent; color: var(--an-ink); text-align: left; font: inherit; cursor: pointer; }
.di-field:hover { background: var(--an-paper); }
.di-field.is-selected { border-color: var(--an-red); background: var(--an-red-wash); }
.di-field-label { color: var(--an-gray-3); font-size: 14px; }
.di-field-value { font-size: 15px; font-weight: 700; overflow-wrap: anywhere; }
.di-field.is-empty .di-field-value { color: var(--an-gray-4); font-weight: 400; font-style: italic; }
.di-confidence { display: inline-flex; align-items: center; gap: var(--di-space-2); white-space: nowrap; font-family: var(--an-font-mono); font-size: 13px; color: var(--an-gray-2); }
.di-confidence-track { display: inline-block; width: 44px; height: 4px; border-radius: 999px; background: rgba(26, 26, 26, .08); overflow: hidden; }
.di-confidence-fill { display: block; height: 100%; background: var(--an-gray-1); }
.di-confidence.is-review .di-confidence-fill { background: var(--di-review); }
.di-confidence.is-review .di-confidence-text, .di-review { color: var(--di-review); font-weight: 700; }

/* ---------- Line items / tables / JSON ---------- */
.di-line-items { display: grid; gap: var(--di-space-4); padding-top: var(--di-space-3); }
.di-table-block { display: grid; gap: var(--di-space-2); }
.di-table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--an-border); border-radius: var(--di-radius-md); }
.di-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.di-table th, .di-table td { padding: 8px 12px; border-bottom: 1px solid var(--an-border); text-align: left; vertical-align: top; }
.di-table th { background: var(--an-paper); color: var(--an-gray-3); font-size: 13px; font-weight: 700; }
.di-table tbody tr:last-child td { border-bottom: 0; }
.di-table-conf { font-family: var(--an-font-mono); font-size: 13px; color: var(--an-gray-3); }
.di-table-conf.is-review { color: var(--di-review); font-weight: 700; }
.di-json-body { max-height: 480px; margin: var(--di-space-3) 0 0; padding: var(--di-space-3); overflow: auto; border: 1px solid var(--an-border); border-radius: var(--di-radius-md); background: var(--an-terminal, #0F0F0F); color: rgba(255, 255, 255, .8); font-family: var(--an-font-mono); font-size: 13px; line-height: 1.5; white-space: pre; }

/* ---------- Bulk ---------- */
.di-bulk { display: grid; gap: var(--di-space-4); }
.di-scan-panel { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--di-space-4); align-items: center; padding: var(--di-space-4) var(--di-space-5); border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); box-shadow: var(--di-shadow-card); }
.di-scan-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--di-radius-md); background: var(--an-red-wash); color: var(--an-red); font-size: 20px; }
.di-scan-copy { display: grid; gap: var(--di-space-2); min-width: 0; }
.di-scan-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--di-space-2); }
.di-scan-copy .catalog-chip { margin: 0 4px 0 0; }
.di-summary { display: flex; flex-wrap: wrap; align-items: center; gap: var(--di-space-4); padding: var(--di-space-4) var(--di-space-5); border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); box-shadow: var(--di-shadow-card); }
.di-summary-title { min-width: 160px; }
.di-stats { display: flex; flex-wrap: wrap; gap: var(--di-space-3); flex: 1 1 420px; margin: 0; }
.di-stats .dash-stat { flex: 1 1 110px; min-width: 110px; padding: 0 var(--di-space-3); border-left: 1px solid var(--an-border-2); }
.di-stats .dash-stat-label { display: block; color: var(--an-gray-4); font-size: 13px; font-weight: 600; }
.di-stats .dash-stat-value { display: block; margin: 0; color: var(--an-ink); font-size: 24px; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.di-stats .dash-stat.is-review .dash-stat-value { color: var(--di-review); }
.di-summary-actions { display: flex; flex-wrap: wrap; gap: var(--di-space-2); }
.di-bulk-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--di-space-3); }
.di-search { flex: 1 1 280px; max-width: 460px; }
.di-row-title { display: grid; gap: 2px; padding: 0; border: 0; background: none; color: var(--an-ink); text-align: left; font: inherit; cursor: pointer; }
.di-row-name { font-weight: 700; }
.di-row-title:hover .di-row-name { color: var(--an-red); text-decoration: underline; }
.di-value { font-weight: 600; }
.di-empty-value { color: var(--an-gray-4); font-style: italic; }
.di-row-status { display: inline-flex; align-items: center; gap: 4px; }
.di-status-chip { display: inline-block; padding: 2px 10px; border-radius: var(--di-radius-sm); border: 1px solid var(--an-border-2); background: var(--an-paper); color: var(--an-gray-2); font-size: 13px; font-weight: 700; white-space: nowrap; }
.di-status-chip.is-complete { border-color: rgba(46, 125, 67, .3); background: #edf6ef; color: var(--di-success); }
.di-status-chip.is-needsreview { border-color: rgba(167, 37, 44, .3); background: var(--an-red-wash); color: var(--di-review); }
.di-status-chip.is-failed { border-color: var(--an-red); color: var(--an-red); }
.di-status-chip.is-extracting { color: var(--an-red); }
.di-status-chip.is-extracting::before { content: "●"; margin-right: 6px; animation: di-pulse 1.2s ease-in-out infinite; }
.di-bulk .admin-data-grid .mud-table-cell { vertical-align: middle; }

/* ---------- Responsive ---------- */
@media (max-width: 1023.98px) {
    .di-document-view { grid-template-columns: minmax(0, 1fr); }
    .di-viewer-scroll { max-height: 70vh; }
}
@media (max-width: 767.98px) {
    .di-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--di-space-3); }
    .di-toolbar, .di-toolbar-actions { display: grid; grid-template-columns: minmax(0, 1fr); }
    .di-segments { display: grid; grid-template-columns: 1fr 1fr; }
    .di-model-select { min-width: 0; }
    .di-scan-button { width: 100%; }
    .di-custom-form { grid-template-columns: minmax(0, 1fr); }
    .di-scan-panel { grid-template-columns: minmax(0, 1fr); }
    .di-scan-icon { display: none; }
    .di-field { grid-template-columns: minmax(0, 1fr); gap: 2px; }
    .di-panel { padding: var(--di-space-4); }
    .di-viewer-scroll { padding: var(--di-space-3); }
}
@media (max-width: 479.98px) {
    .di-gallery { grid-template-columns: minmax(0, 1fr); }
    .di-viewer-bar { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
    .di-card, .di-card-open, .di-progress-fill, .di-highlight polygon { transition: none; }
    .di-step.is-current .di-step-mark::after, .di-status-chip.is-extracting::before { animation: none; }
}

/* ---------- Settings tab ---------- */
.di-settings.di-demo { display: grid; gap: var(--di-space-4); padding-top: var(--di-space-2); }
.di-settings-facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: var(--di-space-2) var(--di-space-4); margin: 0; font-size: 15px; }
.di-settings-facts dt { color: var(--an-gray-4); }
.di-settings-facts dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
@media (max-width: 599.98px) { .di-settings-facts { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Technologies tab ---------- */
.di-tech { display: grid; gap: var(--di-space-4); }
.di-tech h2 { font-size: 26px; }
.di-tech h3 { margin-top: var(--di-space-4); font-size: 19px; }
.di-tech .di-lead { max-width: 76ch; }
.di-tech-figure { margin: var(--di-space-2) 0 0; padding: var(--di-space-4); border: 1px solid var(--an-border); border-radius: var(--di-radius-lg); background: var(--an-white); }
.di-tech-figure figcaption { margin-top: var(--di-space-3); color: var(--an-gray-4); font-size: 14px; }
.di-diagram { display: block; width: 100%; height: auto; font-family: var(--an-font-sans); }
.di-diagram-node rect { fill: var(--an-paper); stroke: var(--an-border-2); stroke-width: 1.5; transition: stroke .2s var(--an-ease); }
.di-diagram-node.is-accent rect { fill: var(--an-ink); stroke: var(--an-ink); }
.di-diagram-node:hover rect, .di-diagram-node:focus-visible rect { stroke: var(--an-red); stroke-width: 2; }
.di-diagram-node:focus-visible { outline: none; }
.di-diagram-title { fill: var(--an-ink); font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.di-diagram-sub { fill: var(--an-gray-3); font-size: 12.5px; }
.di-diagram-node.is-accent .di-diagram-title { fill: var(--an-white); }
.di-diagram-node.is-accent .di-diagram-sub { fill: var(--an-gray-7); }
.di-diagram-edge { stroke: var(--an-gray-5); stroke-width: 1.5; fill: none; }
.di-diagram-edge.is-dashed { stroke-dasharray: 6 5; }
.di-diagram-arrowhead { fill: var(--an-gray-5); }
.di-diagram-label { fill: var(--an-gray-3); font-size: 12px; font-weight: 500; }
.di-diagram-label-bg { fill: var(--an-white); stroke: var(--an-border); }
.di-tech-steps { margin: 0; padding-left: 22px; display: grid; gap: var(--di-space-2); max-width: 80ch; line-height: 1.55; }
.di-tech-steps code, .di-tech-card code { font-family: var(--an-font-mono); font-size: 12.5px; color: var(--an-gray-3); }
.di-tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--di-space-3); }
.di-tech-card { display: grid; align-content: start; gap: var(--di-space-1); padding: var(--di-space-4); border: 1px solid var(--an-border); border-radius: var(--di-radius-md); background: var(--an-white); color: inherit; text-decoration: none; transition: border-color .2s var(--an-ease), box-shadow .2s var(--an-ease); }
a.di-tech-card:hover, a.di-tech-card:focus-visible { border-color: var(--an-red); box-shadow: var(--di-shadow-card); }
a.di-tech-card:focus-visible { outline: 2px solid var(--an-red); outline-offset: 2px; }
.di-tech-card-title { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.di-tech-card-copy { color: var(--an-gray-3); font-size: 14.5px; line-height: 1.5; }
.di-tech-card-meta { margin-top: var(--di-space-1); color: var(--an-gray-4); font-size: 13px; }
.di-tech-card-links { display: flex; flex-wrap: wrap; gap: var(--di-space-1) var(--di-space-3); margin-top: var(--di-space-1); font-size: 14px; }
.di-tech-card-links a, .di-tech-links a, .di-tech-steps a { color: var(--an-red); text-decoration: underline; text-underline-offset: 2px; }
.di-tech-links { margin: 0; padding-left: 20px; display: grid; gap: var(--di-space-1); line-height: 1.55; }
/* Phones pan the diagram instead of shrinking its text below legibility. */
.di-tech-figure { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 767.98px) { .di-diagram { min-width: 680px; } }
@media (max-width: 599.98px) { .di-tech h2 { font-size: 22px; } .di-tech-figure { padding: var(--di-space-3); } }