:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #6b7280;
  --line: #e2e5ea;
  --accent: #2f6fed;
  --stage: #2a2e37;
  --stage-text: #c8cdd6;
  --good: #4ade80;
  --bad: #f87171;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --panel: #1a1d23;
    --text: #eef0f3;
    --muted: #9aa1ad;
    --line: #2b2f37;
    --accent: #5b8cff;
    --stage: #23272f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { margin: 0 0 4px; font-size: 2rem; }
h2 { margin: 0 0 16px; font-size: 1.4rem; }
.muted { color: var(--muted); }
kbd { border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; font-size: .85em; background: var(--panel); }

button {
  font: inherit; color: inherit; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 16px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: transparent; border-color: transparent; }

.cards { margin-top: 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 20px; text-align: left; }
.card b { font-size: 1.15rem; }
.card-icon { height: 56px; display: flex; align-items: center; gap: 6px; }
.card-icon svg { width: 56px; height: 56px; }

#downloads { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; }

.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.goal { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; }
#goal { display: inline-flex; align-items: center; gap: 8px; }
svg.mini { width: 40px; height: 40px; }

#stage {
  position: relative;
  height: min(62vh, 480px);
  border-radius: 18px;
  background: var(--stage);
  display: grid; place-items: center;
  cursor: pointer;
  user-select: none; -webkit-user-select: none;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
#stim, #msg { grid-area: 1 / 1; }
#stim svg.big { width: min(60vw, 260px); height: min(60vw, 260px); display: block; }
#msg { color: var(--stage-text); font-size: 1.25rem; text-align: center; padding: 16px; }
#msg.good { color: var(--good); font-size: 2.5rem; font-weight: 800; }
#msg.bad { color: var(--bad); font-size: 1.6rem; font-weight: 700; }
#msg .wait { font-size: 1rem; opacity: .6; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.stat span { display: block; font-size: .8rem; color: var(--muted); }
.stat b { font-size: 1.4rem; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
td.hit { color: #1f9d55; } td.miss, td.wrong, td.early { color: #d93a3a; }
@media (prefers-color-scheme: dark) { td.hit { color: var(--good); } td.miss, td.wrong, td.early { color: var(--bad); } }