:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafafa;
  --card-bg: #fff;
  --border: #ddd;
  --accent: #6b46c1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eee;
    --bg: #121212;
    --card-bg: #1e1e1e;
    --border: #333;
    --accent: #a78bfa;
  }
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 1.5rem;
}

main { max-width: 960px; margin: 0 auto; }
main.narrow { max-width: 360px; }

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
}

h1 { font-size: 1.4rem; }

.hint {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}

textarea {
  width: 100%;
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--fg);
}

input[type="password"] {
  width: 100%;
  padding: 0.5rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 0.75rem;
}

button.primary {
  display: block;
  width: 100%;
  margin-top: 2rem;
  font-size: 1.1rem;
}

button.download-single {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.error { color: #e05555; }

.card-line {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.choice-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.choice {
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem;
  cursor: pointer;
  background: var(--card-bg);
  text-align: center;
  width: fit-content;
}

.choice input[type="radio"] { display: none; }

.choice.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent) inset;
}

.thumbs { display: flex; gap: 0.3rem; }

.choice img {
  max-width: 140px;
  border-radius: 4%;
  display: block;
}

.meta {
  display: block;
  font-size: 0.75rem;
  opacity: 0.7;
  margin-top: 0.3rem;
}