:root {
  --bg: #0f1419;
  --panel: #171d24;
  --panel-2: #1e252e;
  --line: #2b333d;
  --text: #dfe6ee;
  --muted: #8b98a6;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --accent: #58a6ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
header.topbar .brand { font-weight: 600; letter-spacing: 0.02em; }
header.topbar nav { display: flex; gap: 1rem; flex-wrap: wrap; }
header.topbar nav a.active { color: var(--text); border-bottom: 2px solid var(--accent); }
header.topbar .spacer { flex: 1; }

main { max-width: 1180px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }

h1 { font-size: 1.35rem; margin: 0 0 1rem; }
h2 { font-size: 1.05rem; margin: 2rem 0 0.75rem; color: var(--muted); font-weight: 600; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
}

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.5rem 0.6rem; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--panel-2); }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge.ok { color: var(--ok); border-color: rgba(63, 185, 80, 0.4); }
.badge.warn { color: var(--warn); border-color: rgba(210, 153, 34, 0.4); }
.badge.bad { color: var(--bad); border-color: rgba(248, 81, 73, 0.4); }

.flash { padding: 0.65rem 1rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid; }
.flash.ok { border-color: rgba(63, 185, 80, 0.5); background: rgba(63, 185, 80, 0.08); }
.flash.error { border-color: rgba(248, 81, 73, 0.5); background: rgba(248, 81, 73, 0.08); }
.flash.info { border-color: var(--line); background: var(--panel-2); }

label { display: block; margin-bottom: 0.9rem; }
label > span { display: block; color: var(--muted); font-size: 0.85rem; margin-bottom: 0.25rem; }
label .hint { color: var(--muted); font-size: 0.78rem; font-weight: 400; }

input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 0.45rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
}
input:focus, select:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
input[type=checkbox] { width: auto; margin-right: 0.4rem; }

button, .btn {
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
button:hover, .btn:hover { border-color: var(--accent); }
button.primary { background: #1f6feb; border-color: #1f6feb; color: #fff; }
button.danger { color: var(--bad); }
button.link { background: none; border: none; color: var(--accent); padding: 0; }

.row { display: flex; gap: 0.5rem; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1; }
.row > .shrink { flex: 0 0 auto; }
.inline { display: inline; }
.muted { color: var(--muted); }
.mono { font-family: "Cascadia Code", Consolas, "SF Mono", monospace; font-size: 0.88rem; }
.small { font-size: 0.85rem; }
.nowrap { white-space: nowrap; }

.matrix td.cell { text-align: center; font-variant-numeric: tabular-nums; }
.matrix td.pass { background: rgba(63, 185, 80, 0.12); color: var(--ok); }
.matrix td.fail { background: rgba(248, 81, 73, 0.1); color: var(--bad); }
.matrix td.none { color: var(--muted); }
.matrix tr.synced { outline: 1px solid rgba(88, 166, 255, 0.35); }

.secret-box {
  border: 1px solid var(--warn);
  background: rgba(210, 153, 34, 0.08);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}
.secret-box code { display: block; word-break: break-all; margin: 0.3rem 0; }

.login-wrap { max-width: 360px; margin: 12vh auto; }