Fix Space contrast and dark-mode readability

Forces a readable light evidence surface across Gradio theme, cards, markdown, tabs, tables, and inputs to prevent white-on-white text in inherited dark-mode contexts.

app.py

@@ -347,7 +347,63 @@ def download_files():
 
 
 css = """
-.gradio-container { max-width: 1180px !important; }
+.gradio-container {
+  max-width: 1180px !important;
+  color-scheme: light;
+  background: #f3f6fa !important;
+  color: #18232f !important;
+  --body-background-fill: #f3f6fa;
+  --body-text-color: #18232f;
+  --block-background-fill: #ffffff;
+  --block-border-color: #d7dde8;
+  --block-label-text-color: #24324a;
+  --input-background-fill: #ffffff;
+  --input-border-color: #c8d2de;
+  --button-secondary-background-fill: #ffffff;
+  --button-secondary-text-color: #18232f;
+}
+.gradio-container,
+.gradio-container h1,
+.gradio-container h2,
+.gradio-container h3,
+.gradio-container h4,
+.gradio-container p,
+.gradio-container li,
+.gradio-container label,
+.gradio-container td,
+.gradio-container th,
+.gradio-container input,
+.gradio-container textarea,
+.gradio-container select {
+  color: #18232f !important;
+}
+.gradio-container .prose,
+.gradio-container .markdown,
+.gradio-container [data-testid="markdown"],
+.gradio-container [data-testid="block-label"],
+.gradio-container .dataframe,
+.gradio-container .wrap {
+  color: #18232f !important;
+  background: transparent;
+}
+.gradio-container button,
+.gradio-container [role="tab"],
+.gradio-container [role="button"] {
+  color: #18232f !important;
+}
+.gradio-container table,
+.gradio-container thead,
+.gradio-container tbody,
+.gradio-container tr,
+.gradio-container td,
+.gradio-container th {
+  background-color: #ffffff !important;
+}
+.gradio-container code {
+  color: #18232f !important;
+  background: #eef2f6 !important;
+  border: 1px solid #d7dde8;
+}
 .hero-panel { border: 1px solid #d7dde8; border-radius: 6px; padding: 24px; background: #f7fbfd; margin-bottom: 18px; }
 .eyebrow { color: #48606f; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
 .hero-panel h1 { font-size: 32px; line-height: 1.14; margin: 8px 0 10px; color: #18232f; }
@@ -384,11 +440,21 @@ css = """
 .claim-grid div { background: white; border: 1px solid #d7dde8; border-radius: 6px; padding: 12px; }
 .claim-grid strong { display: block; color: #18232f; margin-bottom: 5px; }
 .claim-grid span { color: #40515f; }
+@media (prefers-color-scheme: dark) {
+  .gradio-container {
+    background: #f3f6fa !important;
+    color: #18232f !important;
+  }
+  .hero-panel, .score-card, .viz-card, .claim-box, .claim-grid div {
+    background-color: #ffffff !important;
+    color: #18232f !important;
+  }
+}
 @media (max-width: 760px) { .visual-grid { grid-template-columns: 1fr; } .hero-panel h1 { font-size: 26px; } }
 """
 
 
-with gr.Blocks(css=css, title="Nuclear UAP Evidence Surface") as demo:
+with gr.Blocks(css=css, title="Nuclear UAP Evidence Surface", theme=gr.themes.Soft()) as demo:
     gr.HTML(visual_story_html())
     gr.HTML(score_cards())
     with gr.Tabs():

data/artifact_manifest.json

@@ -2,154 +2,154 @@
   "manifest_version": "nuclear_uap_hf_space_package_v0",
   "repo_id": "cjc0013/nuclear-uap-evidence-surface",
   "space_url": "https://huggingface.co/spaces/cjc0013/nuclear-uap-evidence-surface",
-  "generated_utc": "2026-04-29T02:04:04+00:00",
+  "generated_utc": "2026-04-29T02:13:05+00:00",
   "source_correlation_run_dir": "C:\\scraper\\runs\\nuclear_uap_correlation_index\\nuclear_uap_correlation_index_private_preview_final_20260429T010304Z",
   "source_explanatory_run_dir": "C:\\scraper\\runs\\nuclear_uap_explanatory_index\\nuclear_uap_explanatory_index_private_preview_20260429T011500Z",
   "artifact_count": 24,
   "artifacts": [
     {
       "artifact_key": "README.md",
-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\README.md",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\README.md",
       "byte_count": 3613,
       "content_sha256": "ec6afe2acb6d83dfbf6481c46837ae272ceaa3e77f849c302335cf5455278b22"
     },
     {
       "artifact_key": "app.py",
-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\app.py",
-      "byte_count": 19952,
-      "content_sha256": "4564b57f4f1d677b7a49c780fc443c9d126d30f67be522c06f8f97c3565c3295"
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\app.py",
+      "byte_count": 21756,
+      "content_sha256": "dc4cd7d48dfcfca1263b12091cfb3dfd050400e311909c9202ba5221844c861a"
     },
     {
       "artifact_key": "requirements.txt",
-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\requirements.txt",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\requirements.txt",
       "byte_count": 31,
       "content_sha256": "76e73ec284b0b0b250edd3b0593e32a1eb40f57d3ce90363852f709e9ad06071"
     },
     {
       "artifact_key": ".gitattributes",
-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\.gitattributes",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\.gitattributes",
       "byte_count": 89,
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\correlation_artifact_integrity_report.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\correlation_artifact_integrity_report.json",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\correlation_dataset_schema.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\correlation_dataset_schema.json",
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     {
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\correlation_source_gaps.csv",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\correlation_source_gaps.csv",
       "byte_count": 413,
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     },
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\event_explanatory_features.csv.gz",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\event_explanatory_features.csv.gz",
       "byte_count": 12282175,
-      "content_sha256": "0674804bbc119eb650b0af4bf4e67d9095fe117970fd002e4cfff39e2ebebe8a"
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\event_explanatory_sample.csv",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\event_explanatory_sample.csv",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\explanatory_artifact_integrity_report.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\explanatory_artifact_integrity_report.json",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\explanatory_assessment.json",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\explanatory_case_cards.md",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\explanatory_case_cards.md",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\explanatory_dataset_schema.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\explanatory_dataset_schema.json",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\explanatory_report.md",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\matched_controls.csv",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\source_receipts_combined.csv",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\statistical_tests.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\statistical_tests.json",
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-      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_visual_20260429T021500Z\\data\\summary_metrics.json",
+      "path": "C:\\scraper\\runs\\huggingface_spaces\\nuclear-uap-evidence-surface_contrast_20260429T022500Z\\data\\summary_metrics.json",
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   "public_claim_contract": {
@@ -161,7 +161,7 @@
     "user_explicit_publish_request": true
   },
   "metrics": {
-    "generated_utc": "2026-04-29T02:04:04+00:00",
+    "generated_utc": "2026-04-29T02:13:05+00:00",
     "package_version": "nuclear_uap_hf_space_package_v0",
     "assessment": {
       "assessment_version": "nuclear_uap_explanatory_private_preview_v1",
@@ -701,5 +701,5 @@
       "best_supported_explanation": "Population/reporting geography is a strong observable factor; major-airport proximity appears mostly consistent with where people live."
     }
   },
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+  "manifest_hash": "cea67b3483ad43594fbf98ef8f19d6dee54d2cbe66cf667176d3267359f0f7b8"
 }

data/event_explanatory_features.csv.gz

@@ -1,3 +1,3 @@
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+oid sha256:345c1ac3d94ae69dc3ce865462439a264a1b699e6449cc876069380b10507d27
 size 12282175

data/summary_metrics.json

@@ -1,5 +1,5 @@
 {
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   "assessment": {
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run_manifest.json

@@ -2,158 +2,158 @@
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   "space_url": "https://huggingface.co/spaces/cjc0013/nuclear-uap-evidence-surface",
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@@ -707,5 +707,5 @@
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