RFID Keycard System - Placeholder Asset Editing Instructions
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The placeholder assets have been created by copying existing sprites.
They now need to be edited to match the specifications.

KEYCARDS (assets/objects/keycard*.png)
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Current: Copy of key.png
Needs:
  1. Rectangular card shape (32x48px)
  2. Rounded corners (2-3px radius)
  3. Small RFID chip graphic (8x8px gold square in upper-right)
  4. Color variants:
     - keycard.png: Gray/white (#CCCCCC)
     - keycard-ceo.png: Gold (#FFD700)
     - keycard-security.png: Blue (#4169E1)
     - keycard-maintenance.png: Green (#32CD32)

Tools: GIMP, Photoshop, Paint.NET, or Photopea (online)

RFID CLONER (assets/objects/rfid_cloner.png)
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Current: Copy of bluetooth_scanner.png or phone.png
Needs:
  1. More rectangular device shape (48x48px)
  2. Orange accent color (#FF8200)
  3. Small black screen in upper portion
  4. Flipper Zero-inspired design
  5. Optional: Small antenna or wave indication

Reference: Google "Flipper Zero" for design inspiration

ICONS (assets/icons/)
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Current: Copy of signal.png
Needs:
  rfid-icon.png (24x24px):
    - Simple RFID wave symbol (3 curved lines)
    - Monochrome white or orange

  nfc-waves.png (32x32px):
    - Concentric circles or radio waves
    - Orange color (#FF8200)

These can be very simple - clarity at small size is key.

OPTIONAL: Create final professional assets
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The placeholders will work for development and testing.
For final release, consider:
  - Hiring a pixel artist
  - Using asset creation tools (Aseprite, Pyxel Edit)
  - Commissioning custom sprites

COLOR PALETTE REFERENCE
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Flipper Zero Orange: #FF8200
CEO Gold: #FFD700
Security Blue: #4169E1
Maintenance Green: #32CD32
Generic Gray: #CCCCCC
Device Dark Gray: #2B2B2B
Screen Black: #000000
