.shell {
  display: grid;
  min-height: calc(100dvh - var(--chrome-height));
  grid-template-columns: minmax(0, 1fr) 400px;
}

.stage {
  position: relative;
  min-height: 70dvh;
}

.stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}

.stage canvas:active {
  cursor: grabbing;
}

.stage-head {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  padding: 28px 32px;
  pointer-events: none;
}

h1 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 520;
  font-size: 64px;
  letter-spacing: -0.03em;
}

.eyebrow, .status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.panel {
  border-left: 1px solid var(--line);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--panel);
}

.digest {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  word-break: break-all;
}

.fine {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .stage { min-height: 68dvh; }
  .panel { border-left: 0; border-top: 1px solid var(--line); }
  h1 { font-size: 48px; }
}