:root {
  --bg: #11141a;
  --panel: #1b2029;
  --ink: #e6e9ef;
  --muted: #97a0b0;
  --accent: #2ecc40;
  --line: #2b3340;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
#app { max-width: 900px; margin: 0 auto; padding: 24px; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { margin: 0 0 8px; }
.lead { font-size: 16px; }
.how { color: var(--muted); }
.how li { margin: 4px 0; }
.meta { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }

button {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.35; cursor: not-allowed; }
button.primary, .primary {
  background: var(--accent);
  color: #07210b;
  border-color: var(--accent);
  font-weight: 600;
}

#play { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.board-wrap { background: #000; padding: 6px; border-radius: 10px; border: 1px solid var(--line); }
#board { display: block; image-rendering: pixelated; cursor: crosshair; }
.side { flex: 1; min-width: 220px; }

.progress {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin: 0 0 10px;
  min-height: 16px;
}
.progress:empty { margin: 0; }

#hud {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 14px;
  display: grid;
  gap: 6px;
}
#hud .k { color: var(--muted); display: inline-block; width: 64px; }
#hud span:not(.k) { font-variant-numeric: tabular-nums; font-weight: 600; }

#actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
#actions button { min-width: 84px; }
.controls { margin-bottom: 12px; }
.hint { color: var(--muted); font-size: 12px; }

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 22px;
  letter-spacing: 1px;
  background: var(--panel);
  border: 1px dashed var(--accent);
  border-radius: 8px;
  padding: 12px 16px;
  display: inline-block;
  margin: 6px 0 14px;
}
.code-line { color: var(--muted); margin-bottom: 2px; }
.summary { color: var(--ink); font-size: 15px; margin: 4px 0 14px; line-height: 1.4; }

#error {
  background: #3a1620;
  border: 1px solid #a33;
  color: #ffd5d5;
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 16px;
  font-size: 14px;
}

/* post-game goal self-report survey */
.survey-block { margin: 14px 0; }
.survey-block .q { font-weight: 600; margin-bottom: 6px; }
#goal-tags.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid #2a3550; border-radius: 8px;
  padding: 7px 11px; font-size: 13px; cursor: pointer;
}
.tag:hover { border-color: var(--accent); }
.radios { display: flex; flex-wrap: wrap; gap: 14px; }
.radios label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
#goal-text {
  width: 100%; max-width: 520px; box-sizing: border-box;
  background: var(--panel); border: 1px solid #2a3550; border-radius: 8px;
  padding: 9px 12px; color: inherit; font-size: 14px;
}
#surveyBtn:disabled { opacity: 0.5; cursor: not-allowed; }
a { color: var(--accent); }