:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6a66;
  --line: #e2e0da;
  --accent: #2f6f5e;
  --accent-text: #ffffff;
  --danger: #a33a2c;
  --code-bg: #eef3f1;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161716;
    --card: #1f211f;
    --text: #ecebe6;
    --muted: #9b9a94;
    --line: #333532;
    --accent: #5fb49a;
    --accent-text: #0f1a16;
    --danger: #e0806f;
    --code-bg: #243029;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 48px 16px; }
main.wide { max-width: 1100px; }
h1 { font-size: 1.6rem; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 32px 0 12px; }
.sub { color: var(--muted); margin: 0 0 28px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type=text], input[type=number] {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
input.code { font-family: ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: 0.12em; text-transform: uppercase; font-size: 1.15rem; }
button, .button {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
  text-decoration: none;
}
button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.small { padding: 4px 10px; font-size: 0.85rem; }
button:disabled { opacity: 0.5; cursor: default; }
.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1 1 140px; }
.row > button { flex: 0 0 auto; }
.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.error { color: var(--danger); margin-top: 12px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.progress { height: 10px; background: var(--line); border-radius: 5px; overflow: hidden; margin: 16px 0 8px; }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width 0.3s; }
.stats { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.secret {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--code-bg);
  padding: 10px 12px;
  border-radius: 8px;
  word-break: break-all;
  font-size: 1rem;
}
.secret.big { font-size: 1.4rem; letter-spacing: 0.08em; }
.field { margin-bottom: 16px; }
.field .secret { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.notice { border-left: 3px solid var(--accent); padding: 4px 0 4px 12px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td form { display: inline; }
.tablewrap { overflow-x: auto; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 0.8rem; border: 1px solid var(--line); white-space: nowrap; }
.pill.ok { border-color: var(--accent); color: var(--accent); }
.pill.bad { border-color: var(--danger); color: var(--danger); }
header.bar { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }
pre.secret { white-space: pre-wrap; margin: 0; font-size: 0.85rem; }
h2.first { margin-top: 0; }