:root {
  --bg: #0d1117; --panel: #161b22; --panel2: #1c2330; --border: #2a3240; --text: #e6edf3;
  --muted: #8b949e; --green: #2ea043; --green-t: #3fb950; --red: #da3633; --red-t: #f85149;
  --amber: #d29922; --blue: #388bfd; --purple: #a371f7;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif; }
button { font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--panel2); color: var(--text); padding: 7px 12px; border-radius: 6px; }
button:hover { border-color: var(--muted); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
button.danger { background: transparent; border-color: var(--red); color: var(--red-t); }
button.danger.solid { background: var(--red); color: #fff; }
button.small { padding: 3px 8px; font-size: 12px; }
input, select { font: inherit; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
a { color: var(--blue); }
.mono { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.pos { color: var(--green-t); } .neg { color: var(--red-t); }

header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
header h1 { font-size: 16px; margin: 0 8px 0 0; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; border: 1px solid var(--border); background: var(--panel2); white-space: nowrap; }
.badge.DEMO { color: var(--purple); border-color: var(--purple); }
.badge.PAPER { color: var(--amber); border-color: var(--amber); }
.badge.LIVE { color: #fff; background: var(--red); border-color: var(--red); }
.badge.ok { color: var(--green-t); border-color: var(--green); }
.badge.bad { color: var(--red-t); border-color: var(--red); }
.badge.warn { color: var(--amber); border-color: var(--amber); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--green-t); box-shadow: 0 0 6px var(--green-t); }
.spacer { flex: 1; }

main { padding: 14px 16px 40px; max-width: 1500px; margin: 0 auto; }
.bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.alertbox { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--amber); background: rgba(210,153,34,.1); }
.alertbox.red { border-color: var(--red); background: rgba(218,54,51,.12); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 20px; font-weight: 600; margin-top: 2px; }
.card .sub { font-size: 12px; color: var(--muted); }

.status { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 8px; margin-bottom: 14px; }
.status div { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px; }
.status b { display: block; color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 12px; overflow-x: auto; }
.tabs button { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); padding: 8px 14px; white-space: nowrap; }
.tabs button.active { color: var(--text); border-bottom-color: var(--blue); }
.tab { display: none; } .tab.active { display: block; }

.tablewrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; background: var(--panel2); position: sticky; top: 0; }
th:first-child, td:first-child { text-align: left; }
td.l, th.l { text-align: left; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }
.flash-up { animation: fu 1s; } .flash-down { animation: fd 1s; }
@keyframes fu { from { background: rgba(46,160,67,.35); } }
@keyframes fd { from { background: rgba(218,54,51,.35); } }
.empty { padding: 24px; text-align: center; color: var(--muted); }
.stopbar { height: 4px; background: var(--border); border-radius: 2px; margin-top: 3px; overflow: hidden; }
.stopbar i { display: block; height: 100%; background: var(--green-t); }

.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 12px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; background: var(--panel); padding: 10px 14px 14px; margin: 0; }
legend { padding: 0 6px; font-weight: 600; }
.field { display: grid; grid-template-columns: 1fr 150px; gap: 4px 10px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.field:last-child { border-bottom: none; }
.field label { font-size: 13px; }
.field .help { grid-column: 1 / -1; font-size: 11.5px; color: var(--muted); }
.field .ctl { display: flex; gap: 4px; }
.field .ctl select, .field .ctl input { width: 100%; }
.field .ctl input.custom { width: 80px; }
.savebar { position: sticky; bottom: 0; background: var(--bg); padding: 10px 0; display: flex; gap: 10px; align-items: center; }

.chartbox { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px; height: 340px; margin-bottom: 12px; }
.logs td { text-align: left; white-space: normal; }
.lvl-ERROR { color: var(--red-t); } .lvl-WARN { color: var(--amber); } .lvl-TRADE { color: var(--green-t); }
#toast { position: fixed; bottom: 18px; right: 18px; background: var(--panel2); border: 1px solid var(--border); padding: 10px 14px; border-radius: 8px; display: none; max-width: 380px; z-index: 20; }

@media (max-width: 640px) {
  header { padding: 8px 12px; } main { padding: 12px 12px 40px; }
  .field { grid-template-columns: 1fr; }
  .card .value { font-size: 17px; }
}

.modebar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; }
.modebar button.active { border-color: var(--blue); background: rgba(56,139,253,.15); font-weight: 600; }
.thermo { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-bottom: 14px; }
.thermo div { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.thermo b { display: block; color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.thermo .big { font-size: 18px; font-weight: 600; }
.zone-COLD { color: var(--blue); } .zone-HOT { color: var(--red-t); } .zone-NORMAL { color: var(--green-t); }
.meter { height: 6px; border-radius: 3px; margin-top: 6px; background: linear-gradient(90deg, #388bfd, #3fb950 50%, #f85149); position: relative; }
.meter i { position: absolute; top: -3px; width: 3px; height: 12px; background: #fff; border-radius: 1px; }