:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b35;
  --fg: #e6e8ec;
  --dim: #8b93a3;
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --accent: #4c8dff;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 5;
}
header h1 { margin: 0; font-size: 17px; letter-spacing: 1px; }
.right { display: flex; gap: 10px; align-items: center; }
.stat { color: var(--dim); font-size: 12px; }
section.card { margin: 18px 22px; padding: 16px 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
h2 { margin: 0 0 12px; font-size: 14px; color: var(--dim); font-weight: 600; }
.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.row.space { justify-content: space-between; margin-bottom: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--dim); }
input, select {
  background: #0d0f14; color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 10px; font: inherit; font-size: 13px;
}
input:focus, select:focus { outline: 1px solid var(--accent); }
button {
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: 8px 16px; font: inherit; font-size: 13px; cursor: pointer;
}
button:hover { filter: brightness(1.12); }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--dim); }
button.ghost:hover { color: var(--fg); border-color: var(--dim); }
button.mini { padding: 4px 9px; font-size: 12px; background: transparent; border: 1px solid var(--line); color: var(--fg); }
button.danger { border-color: #5a2b2b; color: var(--bad); }
.hint { color: var(--dim); font-size: 12px; margin: 10px 0 0; }
.tip { color: var(--dim); font-size: 12px; }
code { font-family: ui-monospace, Consolas, monospace; background: #0d0f14; padding: 1px 5px; border-radius: 4px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--dim); font-weight: 500; font-size: 12px; }
td.k { font-family: ui-monospace, Consolas, monospace; }
td.key { font-family: ui-monospace, Consolas, monospace; max-width: 260px; overflow: hidden; text-overflow: ellipsis; color: var(--dim); }
td.note { white-space: normal; min-width: 90px; }
tr:hover td { background: #1b1f28; }
.empty { color: var(--dim); text-align: center; }
.badge { padding: 1px 7px; border-radius: 20px; font-size: 12px; }
.b-ok { color: var(--ok); background: rgba(74,222,128,.1); }
.b-warn { color: var(--warn); background: rgba(251,191,36,.1); }
.b-bad { color: var(--bad); background: rgba(248,113,113,.12); }
.b-idle { color: var(--dim); background: rgba(139,147,163,.12); }
.issued { margin-top: 14px; padding: 12px 14px; border: 1px dashed var(--accent); border-radius: 8px; }
.issued .k { font-family: ui-monospace, Consolas, monospace; word-break: break-all; color: var(--ok); user-select: all; }
.issued .meta { color: var(--dim); font-size: 12px; margin-top: 6px; }
.hidden { display: none; }
.err { color: var(--bad); margin: 0 0 10px; }
.center { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.box { width: 320px; padding: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.box h1 { margin: 0; font-size: 19px; text-align: center; }
.box .sub { margin: 4px 0 18px; text-align: center; color: var(--dim); font-size: 12px; }
.box input { width: 100%; margin-bottom: 12px; }
.box button { width: 100%; }
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%);
  background: #222834; border: 1px solid var(--line); color: var(--fg);
  padding: 10px 18px; border-radius: 8px; z-index: 30;
}