:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #f2f2f2;
  --border: #cccccc;
  --good-bg: #e0f2e3;
  --good-fg: #14532d;
  --bad-bg: #fbe3e3;
  --bad-fg: #7f1d1d;
  --link: #0b5cad;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --fg: #e8e8e8;
    --muted: #232323;
    --border: #444444;
    --good-bg: #1d3a24;
    --good-fg: #b9e6c3;
    --bad-bg: #432020;
    --bad-fg: #f3c1c1;
    --link: #7fb8f0;
  }
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 46rem;
  padding: 1rem;
}

img {
  height: auto;
  max-width: 100%;
}

table {
  border-collapse: collapse;
  display: block;
  font-size: 0.9rem;
  overflow-x: auto;
  width: 100%;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  text-align: left;
  vertical-align: top;
}

pre {
  background: var(--muted);
  border: 1px solid var(--border);
  overflow-x: auto;
  padding: 0.8rem;
  white-space: pre-wrap;
}

a {
  color: var(--link);
}

#player-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

#player-controls button {
  font-size: 1rem;
  padding: 0.5rem 1rem;
}

#card {
  border: 1px solid var(--border);
  margin-top: 0.5rem;
  min-height: 4rem;
  padding: 0.8rem;
}

#card:empty {
  display: none;
}

#counter {
  font-weight: bold;
}

.badge {
  border-radius: 0.25rem;
  display: inline-block;
  font-weight: bold;
  padding: 0.1rem 0.5rem;
}

.badge.good {
  background: var(--good-bg);
  color: var(--good-fg);
}

.badge.bad {
  background: var(--bad-bg);
  color: var(--bad-fg);
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1rem;
}