.stair-panel{display:grid;gap:9px}
.stair-hud{display:flex;flex-wrap:wrap;gap:4px 10px;justify-content:space-between;color:#d1edc3;font:700 14px 'Space Mono',monospace}
#stairLevel{color:#9fd0e0;font-weight:400;letter-spacing:.2px}
#stairCanvas{display:block;width:100%;max-width:420px;aspect-ratio:6/5;margin:auto;border:3px solid #82998d;border-radius:9px;background:#a4b8ad;image-rendering:auto;box-shadow:0 12px 24px #0005}
.stair-controls{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:7px}
.stair-controls button{min-height:46px;padding:12px 7px;border:1px solid #93ac82;border-radius:8px;background:#365440;color:#ecf8df;font:700 16.8px 'Space Mono',monospace;touch-action:none;user-select:none}
.stair-controls button:active{background:#c9ed9b;color:#1e2c24}
.stair-assist{width:100%;background:#5a6748}
@media(max-width:520px){#stairCanvas{max-height: 45vh;max-height: 45svh}.stair-controls button{padding:10px 4px}.stair-panel .mini-status{font-size:12.6px}#stairLevel{font-size:11.2px}}