:root {
  --bg: #f6f7f9;
  --fg: #14171a;
  --muted: #5b6470;
  --card: #ffffff;
  --line: #dde1e6;
  --accent: #1f6feb;
  --warn: #b42318;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --fg: #e8ebef;
    --muted: #98a2ae;
    --card: #171b21;
    --line: #2a3038;
    --accent: #4c8dff;
    --warn: #ff6b5b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 8px; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin-top: 12px;
}
.note, .origin { color: var(--muted); margin: 0; font-size: 13px; }
.origin { font-family: ui-monospace, Menlo, monospace; }
.warn { color: var(--warn); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0 0 12px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
button, .button {
  display: inline-block;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  font: inherit;
  text-decoration: none;
}
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: 0.5; }
pre {
  margin: 0;
  max-height: 50vh;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 12px/1.4 ui-monospace, Menlo, monospace;
}