feat: Overhaul WebUI, add PDF/Text export, use Poetry in Docker

app.py

@@ -56,14 +56,14 @@ class Seafoam(Base):
         super().set(
             # Core Colors
             body_background_fill_dark="black", # True black
-            body_text_color_dark=colors.gray50,
+            body_text_color_dark="*neutral_100",
             block_background_fill_dark=colors.gray_900,
             block_border_color_dark=colors.gray_700,
             block_label_background_fill_dark=colors.gray_800,
-            block_label_text_color_dark=colors.gray50,
+            block_label_text_color_dark="*neutral_100",
             input_background_fill_dark=colors.gray_800,
             input_border_color_dark=colors.gray_600,
-            input_text_color_dark=colors.gray_50,
+            input_text_color_dark="*neutral_50",
             button_primary_background_fill_dark=colors.teal_600,
             button_primary_background_fill_hover_dark=colors.teal_500,
             button_primary_text_color_dark="white",
@@ -74,9 +74,9 @@ class Seafoam(Base):
             # Light Mode
             body_background_fill="white",
             body_text_color=colors.gray_800,
-            block_background_fill=colors.gray_50,
+            block_background_fill="*neutral_50",
             block_border_color=colors.gray_300,
-            block_label_background_fill=colors.gray50,
+            block_label_background_fill="*neutral_100",
             block_label_text_color=colors.gray_700,
             input_background_fill=colors.white,
             input_border_color=colors.gray_300,
@@ -84,7 +84,7 @@ class Seafoam(Base):
             button_primary_background_fill=colors.teal_500,
             button_primary_background_fill_hover=colors.teal_600,
             button_primary_text_color="white",
-            button_secondary_background_fill=colors.gray50,
+            button_secondary_background_fill="*neutral_100",
             button_secondary_background_fill_hover=colors.gray_300,
             button_secondary_text_color=colors.gray_800,
             slider_color=colors.teal_500,