:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", Arial, sans-serif;
  line-height: 1.4;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 16px; }
h1 { margin: 8px 0 4px; font-size: 22px; }
h2 { margin: 0 0 12px; font-size: 18px; }
.muted { opacity: 0.75; }
.card {
  border: 1px solid rgba(127,127,127,0.35);
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0;
}
.label { display: block; margin: 10px 0 6px; font-weight: 600; }
.input, .textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(127,127,127,0.35);
  padding: 12px;
  font-size: 16px;
  background: transparent;
}
.textarea { min-height: 110px; resize: vertical; }
.row { display: flex; gap: 10px; margin-top: 12px; }
.btn {
  flex: 1;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}
.btnGhost {
  background: transparent;
  border: 1px solid rgba(127,127,127,0.35);
}
.status { margin-top: 12px; padding: 10px; border-radius: 10px; }
.status.ok { background: rgba(0, 160, 0, 0.12); }
.status.bad { background: rgba(200, 0, 0, 0.12); }
.result { margin-top: 12px; padding: 10px; border-radius: 10px; border: 1px dashed rgba(127,127,127,0.45); }
.resultLine { display:flex; justify-content: space-between; align-items:center; margin: 6px 0; gap: 10px; }
.hidden { display: none; }
code { padding: 2px 6px; border-radius: 8px; border: 1px solid rgba(127,127,127,0.35); }
a { color: inherit; }