:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafafa;
  --muted: #666;
  --border: #ccc;
  --accent: #3367d6;
  --ok: #2a8a4a;
  --err: #c0392b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #181818;
    --muted: #a0a0a0;
    --border: #444;
    --accent: #6ea0ff;
    --ok: #6dd58c;
    --err: #ff8074;
  }
}

* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 24px 16px;
}
main { max-width: 760px; margin: 0 auto; }
header h1 { margin: 0 0 4px 0; font-size: 24px; }
header .lede { color: var(--muted); margin-top: 0; }
fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin: 16px 0;
}
legend { padding: 0 6px; font-weight: 600; }
label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 8px 0;
  font-size: 13px;
  color: var(--muted);
}
label.grow { flex: 1 1 auto; }
label.inline {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  color: var(--fg);
  font-size: 13px;
  padding-bottom: 6px;
}
input, select {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
button {
  font: inherit;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button[type="submit"] {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  font-weight: 600;
  padding: 8px 16px;
}
.hint { color: var(--muted); font-size: 12px; margin: 4px 0; }
.hint code, code {
  background: rgba(127,127,127,0.15);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 12px;
}
.db-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.db-row label { margin: 0; }
.db-row .verify-row { flex: 1 1 100%; }
.verify-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
}
.status { font-size: 12px; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.remove-db {
  margin-left: auto;
  padding: 4px 10px;
  color: var(--err);
}
.actions { margin: 16px 0; }
.preview {
  margin-top: 24px;
  font-size: 12px;
}
.preview pre {
  background: rgba(127,127,127,0.1);
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}
.danger-zone {
  margin-top: 24px;
  border: 1px solid var(--err);
  border-radius: 6px;
  padding: 12px 16px;
}
.danger-zone summary {
  color: var(--err);
  font-weight: 600;
  cursor: pointer;
}
.danger-zone[open] { padding-bottom: 16px; }
#submit-fallback a,
#remove-submit-fallback a {
  color: var(--accent);
  font-weight: 600;
}