Paper Panel UI Kit — single-framed panels and buttons

A light interface for games that do not take place at night: puzzle games, management sims, card games, anything that reads better on paper than on a screen. Everything is inverted from a normal game kit — the panel body is the lightest tone and the borders are the darkest — and the buttons are full pills, which is the shape that stops a light rectangle from looking like an unstyled div.

Two nine-slice panels — a single-framed window frame with 20 px corners and a recessed inset frame with 14 px corners — cover almost every box a menu needs: dialogs, inventory grids, list backgrounds, tooltips and stat panels. A single continuous border keeps the panel quiet enough to sit behind dense text. Both stretch cleanly to any size because the corners never scale and the centre is a flat fill.

On top of the panels sit four pill button states: default, hover, pressed and disabled. They are drawn on the same 140×44 base with 22 px corners, so you can swap the texture on a single button widget and get the whole interaction loop without moving a rectangle. The pressed state drops its face two pixels and removes the top highlight rather than just darkening, which is what makes a button feel clicked rather than merely recoloured.

Everything ships twice. The SVG sources are the files the kit was drawn in — open them, change the six warm paper tones or the single rust red accent, and re-export. The PNG exports are flat, transparent and pre-scaled at 1x, 2x and 4x for engines that want bitmaps, with no premultiplied alpha and no baked-in shadow outside the sprite bounds.

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