:root {
  --bg: #f4f6f8; --card: #ffffff; --fg: #1b1f24; --muted: #5f6b7a; --line: #dfe4ea;
  --accent: #0b6e4f; --accent-fg: #fff; --ok: #1a7f37; --warn: #9a6700; --err: #b42318;
  --banner-info: #e6f1ff; --banner-warn: #fff4d6; --banner-err: #ffe3e0;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --card: #171b21; --fg: #e6e8eb; --muted: #9aa4b2; --line: #2a3139;
    --accent: #2fbf8f; --accent-fg: #06110c; --ok: #3fb950; --warn: #d4a72c; --err: #ff7b72;
    --banner-info: #112a44; --banner-warn: #3a2d08; --banner-err: #4a1512; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
.hidden { display: none !important; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.small { font-size: 12.5px; }
.muted { color: var(--muted); }
.error { color: var(--err); min-height: 1.2em; margin: 8px 0 0; }
a { color: inherit; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--fg); padding: 8px 14px; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; font-weight: 600; }
button.ghost { background: transparent; }
button.small { padding: 4px 10px; font-size: 12.5px; }
button.danger { color: var(--err); }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); width: 100%; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 14px; }
.card h2 { margin: 0 0 10px; font-size: 16px; }
.k { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.v { font-size: 20px; font-weight: 600; margin: 4px 0; word-break: break-all; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { margin: 0; }
.topbar { display: flex; align-items: center; gap: 18px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .02em; }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar nav a { text-decoration: none; padding: 6px 10px; border-radius: 8px; color: var(--muted); }
.topbar nav a.active { background: var(--bg); color: var(--fg); font-weight: 600; }
main { max-width: 1040px; margin: 0 auto; padding: 16px; }
.banner { padding: 12px 16px; border-radius: 10px; margin-bottom: 14px; border: 1px solid var(--line); }
.banner.info { background: var(--banner-info); }
.banner.warn { background: var(--banner-warn); }
.banner.error { background: var(--banner-err); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; border: 1px solid var(--line); }
.badge.on { color: var(--ok); border-color: var(--ok); }
.badge.off { color: var(--muted); }
.badge.local { color: var(--accent); border-color: var(--accent); }
.agent-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.agent-head h2 { margin: 0; }
.rule-form { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); align-items: end; }
.inline { display: flex; gap: 8px; align-items: center; }
.inline input { max-width: 240px; }
pre { background: var(--bg); padding: 10px 12px; border-radius: 8px; overflow: auto; font-size: 12.5px; }
.rule-ok { color: var(--ok); } .rule-warn { color: var(--warn); } .rule-err { color: var(--err); }

/* agents page */
.toolbar { display: flex; justify-content: flex-end; margin-bottom: 12px; }
.agent-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; cursor: pointer; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin-bottom: 10px; user-select: none; }
.agent-row:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.agent-row .chev { color: var(--muted); display: inline-block; transition: transform .15s; }
.agent-row[aria-expanded="true"] .chev { transform: rotate(90deg); }
.agent-row .name { font-weight: 700; font-size: 16px; }
.agent-row .meta { color: var(--muted); font-size: 12.5px; flex: 1 1 200px; }
.agent-row .actions { display: flex; gap: 6px; margin-left: auto; }
.agent-services { margin: -4px 0 14px; }
/* install dialog */
dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--fg); padding: 20px; width: min(680px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dlg { display: flex; flex-direction: column; gap: 12px; margin: 0; }
.dlg h2 { margin: 0; font-size: 18px; }
.dlg-actions { display: flex; gap: 8px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.dlg-actions .badge { margin-right: auto; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs button.active { background: var(--bg); font-weight: 600; }
#dlgCmd { white-space: pre-wrap; word-break: break-all; max-height: 40vh; }
.kv th { width: 150px; }
/* narrow screens: tables become stacked cards */
@media (max-width: 640px) {
  .table thead { display: none; }
  .table tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; }
  .table td { display: flex; gap: 8px; border: 0; padding: 3px 0; align-items: baseline; }
  .table td::before { content: attr(data-label); color: var(--muted); font-size: 12px; min-width: 84px; flex-shrink: 0; }
  .table td.arrow, .table td:empty { display: none; }
  .table.kv th, .table.kv td { display: table-cell; }
  .table.kv thead { display: table-header-group; }
  .rule-form { grid-template-columns: 1fr; }
  .v { font-size: 18px; }
}