:root {
  --accent: #d8b44a;
  --accent-2: #7fd7a5;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--text);
  background:
    radial-gradient(900px 460px at 15% -10%, var(--bg-glow-1) 0%, transparent 52%),
    radial-gradient(700px 420px at 100% 0%, var(--bg-glow-2) 0%, transparent 50%),
    var(--bg);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  padding: 16px;
}

button {
  touch-action: manipulation;
}

canvas {
  touch-action: none;
}

.shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 12px;
  margin-top: 10px;
  margin-bottom: 16px;
  align-items: start;
}

.left-stack {
  display: grid;
  gap: 10px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.mode-row {
  display: flex;
  gap: 10px;
}

.mini-panel {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
  display: block;
}

.mini-head {
  display: none;
}

#diagramCanvas {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}

.canvas-wrap {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background:
    radial-gradient(
      140% 120% at 50% -12%,
      color-mix(in srgb, transparent 92%, var(--accent) 8%),
      transparent 38%
    ),
    linear-gradient(
      180deg,
      color-mix(in srgb, black 88%, var(--accent) 12%),
      color-mix(in srgb, black 92%, var(--accent) 8%)
    );
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 640;
  cursor: grab;
}

#gameCanvas.dragging {
  cursor: grabbing;
}

.message {
  margin: 14px 0 0;
  color: var(--muted);
}

@media (max-width: 980px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .mini-panel {
    max-width: 240px;
  }
}

@media (max-width: 760px) {
  body {
    padding: 10px;
  }
}