/* Trade House playground — minimal dark theme, no framework. */

:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1d2740;
  --border: #2a3552;
  --text: #e6eaf3;
  --muted: #8b96b0;
  --accent: #4f9cf9;
  --green: #2ecc71;
  --red: #e74c3c;
  --amber: #f1c40f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #7b5cff);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; color: #fff;
}
h1 { font-size: 18px; margin: 0; }
.tagline { margin: 0; color: var(--muted); font-size: 12px; }

.status { font-size: 12px; color: var(--amber); font-weight: 600; }
.status.ok { color: var(--green); }
.status.bad { color: var(--red); }

main { max-width: 1280px; margin: 0 auto; padding: 20px 22px 40px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 22px;
}
.panel h2 { margin: 0 0 10px; font-size: 15px; }
.hint { color: var(--muted); font-weight: 400; font-size: 12px; }

.cards { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.stat {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 130px;
}
.stat-label { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.stat-value { font-size: 20px; font-weight: 700; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
tbody tr:hover { background: rgba(79, 156, 249, .06); }
.muted { color: var(--muted); }
.pos { color: var(--green); }
.neg { color: var(--red); }

.event { font-size: 11px; padding: 2px 6px; border-radius: 4px; background: var(--panel-2); color: var(--accent); }
.event.TRADE_OPEN { color: var(--amber); }
.event.TRADE_CLOSE { color: var(--green); }
.event.SL_HIT { color: var(--red); }
.event.TP_HIT { color: var(--green); }

.badge { font-size: 11px; padding: 3px 8px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: rgba(46, 204, 113, .15); color: var(--green); }
.badge.bad { background: rgba(231, 76, 60, .15); color: var(--red); }

.empty { color: var(--muted); font-style: italic; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.cols h3 { font-size: 13px; color: var(--muted); margin: 0 0 8px; }

details.contract {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 6px;
  background: var(--panel-2);
}
details.contract summary { cursor: pointer; font-weight: 600; }
details.contract[open] summary { margin-bottom: 6px; }
.field-list { margin: 4px 0 0; padding-left: 18px; }
.field-list li { margin: 3px 0; }
.type { color: var(--amber); font-size: 11px; }
.req { color: var(--green); font-size: 10px; border: 1px solid var(--green); border-radius: 3px; padding: 0 4px; }
.count { color: var(--muted); font-weight: 400; }
.src { color: var(--muted); font-size: 11px; }

.demo-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  min-width: 240px;
  flex: 1 1 240px;
  position: relative;
}
.demo-card h4 { margin: 0 0 4px; font-size: 13px; }
.demo-card .demo-body { margin-top: 8px; font-size: 12px; min-height: 40px; }
.demo-tag {
  position: absolute; top: 8px; right: 10px;
  font-size: 10px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--amber);
}
.demo-tag:empty { display: none; }
.stub { color: var(--muted); font-style: italic; }

.curve { width: 100%; height: 90px; background: var(--bg); border-radius: 6px; }
.curve-balance { fill: none; stroke: var(--accent); stroke-width: 2; }
.curve-equity { fill: none; stroke: var(--green); stroke-width: 2; }
.legend { font-size: 11px; color: var(--muted); margin-top: 4px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 3px; }
.swatch.balance { background: var(--accent); }
.swatch.equity { background: var(--green); }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 10px 20px 30px; }