:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5f6368;
  --card: #f8f9fb;
  --border: #d0d5dd;
  --accent: #1a57b8;
  --warn-bg: #fff4e0;
  --error: #b42318;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --card: #1e2125;
    --border: #3c4043;
    --accent: #8ab4f8;
    --warn-bg: #3a2f1a;
    --error: #f2b8b5;
  }
}

[hidden] { display: none !important; }

body {
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
}

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

picture img, figure img {
  max-width: 100%;
  height: auto;
  display: block;
}

figure { margin: 1.5rem 0; }

.notice, .caution, .privacy {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--warn-bg);
  padding: .5rem .75rem;
}

.fields {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .5rem 1rem;
  align-items: center;
}

.fields button { grid-column: 1 / -1; justify-self: start; }

.cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .75rem 1rem;
  background: var(--card);
}

.card h3 { margin: 0 0 .25rem; font-size: 1rem; }

.card-date, .card-meta, .card-source {
  margin: 0;
  font-size: .85rem;
  color: var(--muted);
}

.card-source a { overflow-wrap: anywhere; }

.error { color: var(--error); font-weight: 600; }

pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: .85rem;
}

@media (max-width: 600px) {
  .fields { grid-template-columns: 1fr; }
  body { padding: .75rem; }
}