.stage {
  position: relative;
  width: min(92vmin, 840px);
  aspect-ratio: 1 / 1;
  /* left gutter for pointer */
  margin: auto;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  /* Prevent scrolling and zooming on touch */
}

.go {
  position: absolute;
  inset: 0;
  margin: auto;
  width: clamp(96px, 22vmin, 180px);
  height: clamp(96px, 22vmin, 180px);
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle at 30% 30%, #ff6b6b, #c00 60%);
  color: #fff;
  font-weight: 800;
  letter-spacing: .6px;
  font-size: clamp(20px, 3.6vmin, 32px);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .75);
  transition: transform .06s ease, box-shadow .2s ease, filter .2s ease;
}

.go:active {
  transform: scale(.98);
}

.go[disabled] {
  filter: grayscale(.5) brightness(.8);
  cursor: not-allowed;
}

/* Config modal */
dialog#cfg {
  position: relative;
  border: 1px solid var(--ring);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  width: min(92vw, 880px);
  padding: 16px;
  overflow: hidden;
}

.cfg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 720px) {
  .cfg-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
}

input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  border: 1px solid var(--ring);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
}

textarea {
  min-height: 240px;
  resize: vertical;
  font: 14px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  white-space: pre;
  overflow: auto;
  tab-size: 0;
  caret-color: var(--accent);
  line-height: var(--chip-size)
}

.ta-wrap {
  position: relative;
  overflow: hidden;
}

.chips-lane {
  position: absolute;
  top: 0;
  right: 6px;
  width: calc(var(--chip-size) + 4px);
  height: 100%;
  pointer-events: none;
}

.chip {
  position: absolute;
  right: 2px;
  width: var(--chip-size);
  height: var(--chip-size);
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, .35);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .4) inset, 0 0 0 1px rgba(255, 255, 255, .05);
  pointer-events: auto;
  cursor: pointer;
}

.palette {
  position: absolute;
  display: grid;
  grid-template-columns: repeat(6, 24px);
  gap: 6px;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--ring);
  border-radius: 10px;
  z-index: 20;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}

.palette button {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .15);
  cursor: pointer;
}

.cfg-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 6px;
}

.btn {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--ring);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}

.btn.primary {
  background: var(--panel);
  border-color: var(--ring);
}

.hint {
  color: var(--muted);
  font-size: 12px;
}

/* Winner overlay */
.overlay {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(0, 0, 0, .5);
  z-index: 40;
}

.overlay.show {
  display: grid;
}

.winner-card {
  min-width: min(70vw, 64.4vmin, 588px); /* ~70% of item width */
  max-width: min(90vw, 900px);
  padding: clamp(18px, 3.8vmin, 32px);
  border: 1px solid var(--ring);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  text-align: center;
}

.winner-title {
  font-size: clamp(28px, 6vmin, 64px);
  font-weight: 800;
  line-height: 1.15;
  word-break: break-word;
}