/* Base reset + stage + shared tokens. Owned by S0; UI styling lives in css/ui.css (S4). */
:root {
  --cream: #ffffff;
  --panel: rgba(255, 255, 255, 0.96);
  --border: #eceef1;
  --ink: #111114;
  --muted: #8b9099;
  --working: #3dba5f; --waiting: #f5a431; --error: #ef4f4f; --resting: #a7acb4; --finished: #3b82f6;
  --f4: #e9e4f7; --f3: #e0f1e4; --f2: #e0ebf8; --f1: #f8e4ea;
  --serif: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #fff; color: var(--ink); font: 13px/1.4 var(--sans); -webkit-font-smoothing: antialiased; }
#app { position: fixed; inset: 0; }
#stage { position: absolute; inset: 0; }
#stage canvas.gl { display: block; cursor: grab; }
#stage canvas.gl.dragging { cursor: grabbing; }
#ui-root { position: absolute; inset: 0; pointer-events: none; }
#ui-root > * { pointer-events: auto; }
.card { background: var(--panel); border: 1px solid rgba(0,0,0,.04); border-radius: 14px; }
[hidden] { display: none !important; }
body.clean #ui-root .ui-region:not(#bottom-nav) { display: none !important; }
#fallback { position: absolute; inset: 0; display: grid; place-items: center; z-index: 50; }
#fallback .card { padding: 24px 28px; max-width: 420px; }
#fallback h2 { margin: 0 0 6px; font-family: var(--serif); }

/* CSS2D labels (speech bubbles etc.) — S2/S1 may extend */
.bubble { background: #fff; border: 1.5px solid var(--ink); border-radius: 10px; padding: 3px 8px; font-size: 12px; max-width: 220px; white-space: normal; transform: translateY(-14px); pointer-events: none; }
.bubble[data-style="alert"] { background: var(--waiting); font-weight: 700; }
@media (prefers-reduced-motion: reduce) { * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; } }