Interactive watchmaking lab with three selectable watches and failures

GOAL: Build an interactive watchmaking lab as one HTML file. MOTION: LOOK Dark luxury theme: near-black background, faint grid, brass and gold linework, blued screws, ruby jewels. Serif titles, monospace labels. WATCHES (tabs) 1. Dress watch: cream dial, Roman numerals, small seconds, hand-wound 2. Dive watch: black dial, rotating bezel, glowing lume, automatic rotor 3. Tourbillon: guilloché dial with an opening at 6 showing the spinning cage FLOW Each watch opens on the dial with ticking hands. "Open the case back" zooms in, unscrews the back and fades the dial into the movement. MOVEMENT Draw every part: plate, mainspring barrel, gear train, escape wheel, pallet fork, balance + hairspring, bridges, crown. Gears turn at real ratios, the balance swings and ticks. BUTTONS Take it apart, assemble part by part, wind the crown, exploded view with labels. Break it: magnetize (rate goes wild), drop it (shock protection), let it run down (everything slows, then stops). UI Dial and case colour swatches. Live stats: beat rate, power reserve, accuracy in s/day. A rate graph, a parts list that lights up, and a "did you know" fact for every action.