:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #5b6475;
  --line: #d9dde5;
  --accent: #2457c5;
  --accent-text: #ffffff;
  --ok: #1e7a46;
  --bad: #b3261e;
  --bad-bg: #fdecea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --panel: #1c2028;
    --text: #e6e9ef;
    --muted: #9aa3b5;
    --line: #333a47;
    --accent: #6b9bff;
    --accent-text: #0d1220;
    --ok: #5cc98a;
    --bad: #ff8a80;
    --bad-bg: #3a1c1a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}
a { color: var(--accent); }
header.top {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
header.top .brand { font-weight: 700; color: var(--text); text-decoration: none; }
header.top nav { display: flex; gap: 16px; }
header.top nav a { text-decoration: none; }
header.top .logout { margin-left: auto; display: flex; gap: 12px; align-items: center; }
header.top .me { color: var(--muted); }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; margin: 8px 0 20px; }
h2 { font-size: 18px; margin: 0 0 12px; }
section { margin-bottom: 32px; }
.narrow { max-width: 480px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 20px;
}
.card.danger { border-color: var(--bad); }
.crumbs { margin: 0; color: var(--muted); }
.note { color: var(--muted); font-size: 14px; }
.error {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad);
  border-radius: 6px;
  padding: 10px 14px;
}
label { display: block; margin: 0 0 14px; }
label input { display: block; margin-top: 4px; }
label.choice { display: flex; gap: 8px; align-items: baseline; margin: 6px 0; }
label.choice input { display: inline; margin: 0; }
input:not([type=checkbox]):not([type=radio]) {
  width: 100%;
  max-width: 420px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}
input[type=number] { max-width: 140px; }
button, .button {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.link {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
}
fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 20px;
  margin: 0 0 20px;
  background: var(--panel);
}
legend { font-weight: 700; padding: 0 6px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0 16px; }
.toolbar { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; justify-content: space-between; margin-bottom: 12px; }
.toolbar h2 { margin: 0; }
.search { display: flex; gap: 8px; }
.inline-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.inline-form label { margin: 0; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 14px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 13px; border: 1px solid; }
.badge.ok { color: var(--ok); }
.badge.bad { color: var(--bad); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 24px; }
.tile {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  text-decoration: none;
}
.tile .num { font-size: 28px; font-weight: 700; }
.props { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
.props dt { color: var(--muted); }
.props dd { margin: 0; }
.key code { font-size: 20px; letter-spacing: 0.5px; padding: 6px 10px; background: var(--bg); border-radius: 6px; user-select: all; }
.copied { color: var(--ok); margin-left: 8px; }
.qr img { background: #fff; border-radius: 8px; }
code.secret { font-size: 16px; letter-spacing: 1px; }
@media (max-width: 640px) {
  table { display: block; overflow-x: auto; }
  header.top { padding: 12px 16px; }
}
form.inline { display: inline; }
.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 16px 0 0; }
.row-actions { white-space: nowrap; }
.row-actions form { display: inline-flex; gap: 6px; align-items: center; margin: 2px 4px 2px 0; }
.row-actions input:not([type=hidden]) { width: 160px; padding: 4px 8px; }
button.small { padding: 3px 10px; font-size: 13px; }
select {
  display: block;
  margin-top: 4px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}
.row-actions select { display: inline-block; margin: 0; padding: 3px 6px; }
.ok-message {
  color: var(--ok);
  border: 1px solid var(--ok);
  border-radius: 6px;
  padding: 10px 14px;
}
.nowrap { white-space: nowrap; }
table.audit td.detail { font-family: ui-monospace, Consolas, monospace; font-size: 13px; word-break: break-all; }
.filters { margin-bottom: 16px; }
.pager { display: flex; gap: 20px; margin-top: 16px; }
h2 .badge { margin-left: 8px; vertical-align: middle; }
.search { align-items: center; flex-wrap: wrap; }
.search label.choice { margin: 0; white-space: nowrap; }
.search input:not([type=radio]):not([type=checkbox]) { width: 260px; }
textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
}
input[type=file] { display: block; margin-top: 6px; }
button[disabled] { opacity: 0.5; cursor: not-allowed; }
[hidden] { display: none !important; }
pre.output { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; white-space: pre-wrap; word-break: break-all; font-size: 13px; }
.inline-number { display: inline-block !important; width: 90px !important; margin: 0 4px !important; }
.inline-date { display: inline-block !important; width: 180px !important; margin: 0 0 0 8px !important; }
.note.indent { margin: 0 0 6px 26px; }