Nighttime Mode

Canonical references:

• Sony ESPER Labs / ESPER.
• PlayStation 2.
• Deep purples.
• Blacks.
• Shadows.
• Grays.
• Whites.
• Mystique.
• Shadow play.
• SG teams.
• ARKA / Zero Years.

Use cases:

• SG team surfaces.
• Internal operator materials.
• Archive/lore interfaces.
• Unknown, submerged, or nocturnal identity turns.
• Monolith emergence.

Potential Figma tokens:

• Night background.
• Deep purple / BIOS purple.
• Black slab.
• Shadow gray.
• White signal.
• Pale blue signal.
• SG blue.