:root {
  --bg: #0f1419; --panel: #171e26; --line: #2a3541; --text: #d8e1ea;
  --dim: #7d8fa1; --acc: #4da3ff; --ok: #39c46b; --warn: #ffb454;
  --danger: #ff6b6b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, sans-serif; }
header { display: flex; justify-content: space-between; align-items: center;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .3px; }
nav a, nav span.mode { color: var(--dim); text-decoration: none; margin-left: 18px; }
nav a:hover { color: var(--acc); }
span.mode { padding: 2px 8px; border-radius: 10px; border: 1px solid var(--line);
  font-size: 12px; }
span.mode.ok { color: var(--ok); border-color: var(--ok); }
span.mode.off { color: var(--warn); border-color: var(--line); }
main { max-width: 1280px; margin: 0 auto; padding: 18px 20px 60px; }
h1 { font-size: 20px; margin: 6px 0 14px; }
h2 { font-size: 15px; margin: 26px 0 8px; color: var(--dim);
  text-transform: uppercase; letter-spacing: .6px; }
table { border-collapse: collapse; width: 100%; background: var(--panel);
  border: 1px solid var(--line); }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top; }
th { color: var(--dim); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: .4px; }
tr:hover td { background: #1c2530; }
tr.hl td { background: #1d2b1f; }
tr.pending td { background: #2b231d; }
a { color: var(--acc); }
.mono { font-family: Consolas, monospace; font-size: 12.5px; }
.big { font-size: 14px; font-weight: 600; }
.dim { color: var(--dim); font-size: 11.5px; }
.muted { color: var(--dim); }
.warn { color: var(--warn); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; }
.dot.on { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot.off { background: #555; }
.flash { background: #22303c; border-left: 3px solid var(--acc);
  padding: 8px 12px; margin: 8px 0; border-radius: 4px; }
.flash.err { border-left-color: var(--danger); }
.grid.meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 6px 18px; background: var(--panel); border: 1px solid var(--line);
  padding: 12px 14px; border-radius: 6px; }
.grid.meta b { color: var(--dim); font-weight: 600; margin-right: 6px; }
.search { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.search input[type=text], .search input:not([type]) { flex: 0 1 480px; }
input, select { background: #0c1116; color: var(--text);
  border: 1px solid var(--line); border-radius: 5px; padding: 6px 9px; }
input:focus, select:focus { outline: none; border-color: var(--acc); }
.btn { background: var(--acc); color: #06121f; border: 0; border-radius: 5px;
  padding: 7px 14px; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.15); }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn.danger { background: var(--danger); color: #2b0b0b; }
form.inline { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; }
form.inline input { width: 76px; padding: 4px 6px; }
label { display: block; margin: 10px 0; }
.login { max-width: 340px; margin: 60px auto; background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 26px 30px; }
.login input { width: 100%; margin-top: 4px; }
.login .btn { width: 100%; margin-top: 14px; }
pre { background: #0c1116; border: 1px solid var(--line); border-radius: 6px;
  padding: 12px; overflow: auto; font-size: 12px; }
details { margin-top: 18px; }
summary { cursor: pointer; color: var(--dim); }
.chk { display: inline-flex; align-items: center; gap: 4px; margin: 0;
  color: var(--dim); font-size: 12px; }

/* --- группы/история/real-time --- */
h2.grp { margin: 26px 0 8px; padding-bottom: 4px; border-bottom: 2px solid var(--line); }
h2.grp.property { border-color: #4aa3ff; }
h2.grp.capability { border-color: #f0a13a; }
h2.grp.setting { border-color: #7bc96f; }
table.sig td { vertical-align: middle; }
svg.spark { vertical-align: middle; background: #0c1116; border-radius: 3px; }
@keyframes flashv { 0% { background: #2d5a2d; } 100% { background: transparent; } }
.flashv { animation: flashv 1.5s ease-out; }

.card { background: var(--bg2, #16222e); border: 1px solid #2c3e50; border-radius: 8px; padding: 14px 18px; max-width: 520px; }
.card input { padding: 6px 8px; border-radius: 6px; border: 1px solid #2c3e50; background: #0e1720; color: inherit; }