:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #2f6fed; --accent-text: #fff; --ok: #15803d; --warn: #b45309; --bad: #b91c1c;
  --diff: #fde68a; --mono: ui-monospace, Consolas, "Cascadia Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b2029; --text: #e5e7eb; --muted: #9aa3b2; --line: #2b3240;
    --accent: #5b8cff; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171; --diff: #6b4f0a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 system-ui, -apple-system, "Microsoft YaHei", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
.narrow { max-width: 640px; }
header.top { display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
header.top .brand { font-weight: 600; }
header.top nav { display: flex; gap: 14px; flex-wrap: wrap; flex: 1; }
header.top form { margin: 0; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 24px 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.muted { color: var(--muted); font-size: 13px; }
.msg { padding: 10px 14px; border-radius: 8px; background: var(--card); border-left: 4px solid var(--accent); margin-bottom: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat b { display: block; font-size: 24px; }
.roles { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.role { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.role.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.role .name { font-weight: 600; font-size: 16px; }
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 7px; padding: 6px 12px; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; padding: 6px 9px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--bg); color: var(--text); }
form.inline { display: inline; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.form-row label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.tag { display: inline-block; white-space: nowrap; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid currentColor; }
.ok { color: var(--ok); } .warn { color: var(--warn); } .bad { color: var(--bad); }
code, .mono { font-family: var(--mono); font-size: 13px; }
.copy { width: 100%; font-family: var(--mono); font-size: 12px; }
pre.note { white-space: pre-wrap; margin: 0; font: inherit; }
.hex { font-family: var(--mono); font-size: 12px; line-height: 1.5; overflow-x: auto; white-space: pre; }
.hex .d { background: var(--diff); }
.hex .off { color: var(--muted); }
.hex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 800px) { .hex-grid { grid-template-columns: 1fr; } }