Steampunk gear

Every sprite is authored at the *exact* native pixel geometry of the vanilla
26.3 client, so the pack scales cleanly at every GUI scale setting with zero
layout drift. The only intentional size change is the animated recipe-book
button, which is a 20×108 strip of six 20×18 frames (see
[Animated sprites](#animated-sprites)).

## What it changes

| Area | Result |
| --- | --- |
| Container screens | Riveted copper plates with brass bevels, recessed sepia slots, pipe-style dividers and cog watermarks; covers the survival inventory, chests (`generic_54`), crafting table, furnace / smoker / blast furnace, enchanting table, anvil, smithing, brewing stand, hopper, dispenser, shulker box, loom, cartography table, stonecutter, crafter, beacon, horse, villager and the creative item tabs |
| HUD | Health is a row of brass-rimmed pressure gauges with an ivory dial and a needle that moves from 2 o'clock (full) to 12 o'clock (half); the poison, wither, frozen, absorption, hardcore and vehicle variants recolour the needle. Armour is a brass-capped fluid tube, hunger is a brass-capped ration, and the hotbar, selection frame and off-hand slots are riveted brass |
| Crosshair | Brass-ring reticle with four cardinal ticks and a matching attack-cooldown ring / hotbar bar |
| Recipe book | The toggle is a six-frame turning cog around a small ledger, the tab is a pressure-gauge plaque, and the page arrows, filters, overlays and craftable-slot tints are re-cut in brass and copper |
| Menus & widgets | Dark sepia buttons, sliders, text fields, checkboxes, tabs, scrollbars, tooltips, popups, ping icons, notification dots and the title / pause menu backgrounds, all with brass edging |
| Typography | Re-authored bitmap font with slab-serif feet on every non-descender glyph |
| Pack icon | `pack.png`, a riveted brass plate with a polished cog and a pressure-gauge hub |