:root {
  --bg: #f5f6f8; --card: #fff; --fg: #1d2129; --muted: #667085; --line: #e4e7ec;
  --accent: #2856d8; --danger: #c4320a; --ok: #12805c; --warn: #b54708;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --card: #1a1f26; --fg: #e6e9ee; --muted: #98a2b3; --line: #2b323c;
    --accent: #6d8ff0; --danger: #f97066; --ok: #47cd89; --warn: #fdb022; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
header h1 { font-size: 18px; margin: 0; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; overflow-x: auto; }
.narrow { max-width: 380px; margin: 40px auto; display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 10px; }
label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); }
input { padding: 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
button { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; font: inherit; }
button.ghost { background: transparent; color: var(--accent); }
button.danger { border-color: var(--danger); background: transparent; color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
td.actions { white-space: nowrap; text-align: right; }
td.actions button { margin-left: 4px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid currentColor; }
.ok { color: var(--ok); } .off { color: var(--muted); } .bad { color: var(--danger); }
.error { color: var(--danger); min-height: 1em; }
.hint { color: var(--muted); margin-top: 0; }
.notice { border: 1px solid var(--warn); border-radius: 8px; padding: 8px 12px; margin-bottom: 12px; }
pre { white-space: pre-wrap; word-break: break-all; background: var(--bg); padding: 8px; border-radius: 6px; }