:root {
  color-scheme: light dark;
  --bg: #fafaf8; --fg: #1c1c1a; --muted: #6b6b66; --line: #dcdcd6;
  --card: #ffffff; --accent: #b4531a; --danger: #a12626;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #ecece8; --muted: #9a9a94; --line: #33332f; --card: #1f1f1d; --accent: #e08a52; --danger: #e07070; }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 0 16px 48px; max-width: 720px;
  background: var(--bg); color: var(--fg);
  font: 16px/1.7 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}
[hidden] { display: none !important; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 0 8px; border-bottom: 1px solid var(--line); }
.top h1 { font-size: 18px; margin: 0; }
.who { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
h2 { font-size: 18px; margin: 24px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 8px; }
label { display: block; margin: 12px 0; font-size: 14px; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; margin: 4px 0; color: var(--fg); }
input[type="email"], input[type="password"], input[type="text"], input[type="search"], textarea, select {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 6px;
}
.bar input, .bar select { display: inline-block; width: auto; margin-top: 0; }
.bar input[type="search"], .bar input[type="text"] { flex: 1 1 200px; }
fieldset { border: 1px solid var(--line); border-radius: 6px; margin: 12px 0; padding: 8px 12px; }
legend { font-size: 14px; color: var(--muted); padding: 0 4px; }
button {
  font: inherit; padding: 6px 14px; border-radius: 6px; cursor: pointer;
  color: var(--fg); background: var(--card); border: 1px solid var(--line);
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: default; }
button[type="submit"], dialog button[value="ok"] { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button.on { border-color: var(--accent); color: var(--accent); }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0; }
.bar label { margin: 0; display: flex; align-items: center; gap: 6px; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 12px 0; }
.tabs button[aria-current="true"] { border-color: var(--accent); color: var(--accent); }
.hint { font-size: 13px; color: var(--muted); }
.notice { margin: 12px 0; padding: 8px 12px; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 6px; background: var(--card); }
.notice.error { border-left-color: var(--danger); }
.list { display: grid; gap: 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.card .head { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; font-size: 14px; }
.card .name { font-weight: 600; }
.card .sub { color: var(--muted); }
.card .text { white-space: pre-wrap; overflow-wrap: anywhere; margin: 6px 0; }
.card .acts { display: flex; flex-wrap: wrap; gap: 6px; }
.card .acts button { font-size: 13px; padding: 2px 10px; }
.raw { font: 12px/1.5 ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 8px; margin: 6px 0 0; max-height: 360px; overflow: auto; }
.empty { color: var(--muted); padding: 12px 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 8px 0; }
dt { color: var(--muted); font-size: 14px; }
dd { margin: 0; overflow-wrap: anywhere; }
dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--fg); max-width: 520px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.confirm-body { white-space: pre-wrap; overflow-wrap: anywhere; border: 1px solid var(--line); border-radius: 6px; padding: 8px; max-height: 240px; overflow: auto; }