:root {
  --bg: #0f1117;
  --panel: #181b25;
  --panel-2: #21263a;
  --text: #e6e8ee;
  --dim: #9aa3b3;
  --green: #4caf72;
  --red: #d6604a;
  --blue: #6ea8fe;
  --border: #2c3145;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
             font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header {
  padding: 16px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 18px; font-weight: 600; }
header .meta { display: flex; gap: 16px; font-family: var(--mono); font-size: 12px; color: var(--dim); }
header .meta span { background: var(--panel-2); padding: 4px 10px; border-radius: 4px; }
#halt-button { background: var(--red); color: white; border: none; padding: 4px 12px;
               border-radius: 4px; font-family: var(--mono); font-size: 12px; font-weight: 700;
               cursor: pointer; letter-spacing: 0.5px; }
#halt-button:hover { opacity: 0.85; }
#halt-button.resumed { background: var(--green); }
#halt-status.halted { background: var(--red) !important; color: white; font-weight: 700; }
#halt-status.running { background: var(--panel-2) !important; }
main { padding: 24px; max-width: 1400px; margin: 0 auto; }
.strategies { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .strategies { grid-template-columns: 1fr; } }
.strategy {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px;
}
.strategy h2 { margin: 0 0 12px 0; font-size: 14px; font-weight: 500; }
.strategy h2 code { background: var(--panel-2); padding: 2px 6px; border-radius: 3px;
                    font-family: var(--mono); font-size: 12px; color: var(--blue); }
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px;
}
.metric { background: var(--panel-2); padding: 10px; border-radius: 4px; }
.metric .label { font-size: 11px; color: var(--dim); text-transform: uppercase;
                 letter-spacing: 0.5px; margin-bottom: 4px; }
.metric .value { font-size: 18px; font-weight: 600; font-family: var(--mono); }
.metric.positive .value { color: var(--green); }
.metric.negative .value { color: var(--red); }
canvas { background: var(--panel-2); border-radius: 4px; padding: 8px;
         max-height: 240px; }
.recent-trades, .positions, .evaluations, .funnel, .drift, .histogram, .health { margin-top: 24px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px;
}
.recent-trades h2, .positions h2, .evaluations h2, .funnel h2,
.drift h2, .histogram h2, .health h2 {
  margin: 0 0 12px 0; font-size: 14px; font-weight: 500;
}
.health { margin-top: 0; margin-bottom: 16px; }
.health-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; }
.health-metric { background: var(--panel-2); padding: 10px; border-radius: 4px; }
.health-metric .label { font-size: 11px; color: var(--dim); text-transform: uppercase;
                        letter-spacing: 0.5px; margin-bottom: 4px; }
.health-metric .value { font-family: var(--mono); font-size: 14px; font-weight: 600; }
.health-metric.ok .value { color: var(--green); }
.health-metric.warn .value { color: #d4a843; }
.health-metric.fail .value { color: var(--red); }
#drift-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
#drift-table th, #drift-table td {
  text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border);
}
#drift-table th { color: var(--dim); font-weight: 500; text-transform: uppercase;
                  font-size: 10px; letter-spacing: 0.5px; }
.status-ok { color: var(--green); }
.status-warn { color: #d4a843; }
.status-fail { color: var(--red); }
.status-no_data { color: var(--dim); }
.histogram canvas { background: var(--panel-2); border-radius: 4px; padding: 8px; max-height: 220px; }
.funnel-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 700px) { .funnel-metrics { grid-template-columns: repeat(2, 1fr); } }
.funnel-metric { background: var(--panel-2); padding: 10px; border-radius: 4px; }
.funnel-metric .label { font-size: 11px; color: var(--dim); text-transform: uppercase;
                        letter-spacing: 0.5px; margin-bottom: 4px; }
.funnel-metric .value { font-family: var(--mono); font-size: 18px; font-weight: 600; }
#evaluations-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
#evaluations-table th, #evaluations-table td {
  text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border);
}
#evaluations-table th { color: var(--dim); font-weight: 500; text-transform: uppercase;
                        font-size: 10px; letter-spacing: 0.5px; }
#evaluations-table .outcome-triggered { color: var(--green); font-weight: 600; }
#evaluations-table .outcome-skip { color: var(--dim); }
#evaluations-table .outcome-error { color: var(--red); }
.trades-table-wrap { overflow-x: auto; }
#trades-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
#trades-table th, #trades-table td {
  text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border);
}
#trades-table th { color: var(--dim); font-weight: 500; text-transform: uppercase;
                   font-size: 10px; letter-spacing: 0.5px; }
#trades-table td.pnl-positive { color: var(--green); }
#trades-table td.pnl-negative { color: var(--red); }
.tag { display: inline-block; background: var(--panel-2); border-radius: 3px;
       padding: 1px 6px; margin-right: 4px; font-size: 10px; }
#positions-list { font-family: var(--mono); font-size: 12px; }
#positions-list .position { padding: 6px 0; border-bottom: 1px solid var(--border); }
#positions-list .position:last-child { border-bottom: none; }
footer { padding: 16px 24px; text-align: center; color: var(--dim); font-size: 11px; }