:root {
  --bg: #f6f7f9; --panel: #fff; --line: #e3e6ea; --ink: #1c1f23;
  --muted: #6b7280; --accent: #2a78d6; --ok: #1baf7a; --warn: #eb6834;
  --danger: #d64545; --row-h: 38px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}
[x-cloak] { display: none !important; }
header {
  display: flex; align-items: center; gap: 16px; padding: 0 16px;
  height: 52px; background: var(--panel); border-bottom: 1px solid var(--line);
}
header h1 { font-size: 15px; margin: 0; font-weight: 600; }
nav button {
  border: 0; background: none; padding: 6px 10px; cursor: pointer;
  border-radius: 6px; color: var(--muted); font-size: 14px;
}
nav button.active { background: #eaf1fb; color: var(--accent); font-weight: 600; }
main { padding: 16px; }
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden;
}
.toolbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  padding: 10px 12px; border-bottom: 1px solid var(--line);
}
input[type="text"], input[type="password"], select {
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px;
  font-size: 14px; background: #fff; color: var(--ink);
}
button.primary {
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: 7px 13px; cursor: pointer; font-size: 14px;
}
button.primary:disabled { opacity: .5; cursor: default; }
button.ghost {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 10px; cursor: pointer; font-size: 13px;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-weight: 600; font-size: 12px; color: var(--muted);
  padding: 8px 12px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--panel); white-space: nowrap;
}
td { padding: 0 12px; height: var(--row-h); border-bottom: 1px solid #f0f2f4; }
tbody tr:hover { background: #fafbfc; }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, monospace; }
.chip {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  font-size: 12px; line-height: 18px;
}
.chip.valid { background: #e4f6ee; color: #10794f; }
.chip.expired { background: #fbe6e6; color: #a52c2c; }
.chip.unknown { background: #eef0f2; color: #5d646c; }
.muted { color: var(--muted); }
.err { color: var(--danger); margin: 0; }
.progress {
  display: inline-block; height: 6px; background: #eef0f2;
  border-radius: 999px; width: 220px; vertical-align: middle;
}
.progress > i { display: block; height: 100%; border-radius: 999px; background: var(--accent); }
dialog { border: 1px solid var(--line); border-radius: 10px; padding: 18px; min-width: 320px; }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
.login-wrap { display: grid; place-items: center; height: 70vh; }
.stack { display: grid; gap: 10px; }
.chip-btn {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 12px; cursor: pointer; font-size: 13px; color: var(--muted);
}
.chip-btn.active { background: #eaf1fb; border-color: #bcd5f3; color: var(--accent); font-weight: 600; }
.modes { display: flex; gap: 6px; }
.modes button {
  border: 1px solid var(--line); background: #fff; border-radius: 6px;
  padding: 5px 12px; cursor: pointer; font-size: 13px; color: var(--muted);
}
.modes button.active { background: #eaf1fb; border-color: #bcd5f3; color: var(--accent); font-weight: 600; }
input:disabled { background: #f4f5f7; color: var(--muted); }
td input[type="checkbox"] { cursor: pointer; }