:root {
  --bg: #0d1117;
  --panel: #151b23;
  --panel2: #111821;
  --text: #e6edf3;
  --muted: #8b949e;
  --line: #30363d;
  --accent: #58a6ff;
  --danger: #ff6b6b;
  --ok: #3fb950;
  --warn: #d29922;
  --purple: #bc8cff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at top left, #172033, var(--bg) 35%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 17, 23, 0.85);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  z-index: 10;
}
h1 { margin: 0; font-size: 28px; }
p { color: var(--muted); }
.topbar p { margin: 4px 0 0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
button {
  border: 1px solid var(--line);
  background: #21262d;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 650;
}
button:hover { filter: brightness(1.12); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: #06101f; border-color: transparent; }
button.danger { background: #3b1519; border-color: #7d2b31; color: #ffd9dc; }
main { padding: 28px 32px 48px; }
.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two { grid-template-columns: 1fr 1fr; margin-top: 16px; }
.card, .panel {
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 16px 40px rgba(0,0,0,.22);
}
.card strong { display: block; margin-top: 8px; font-size: 24px; }
.card small, small { color: var(--muted); }
.label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
h2 { margin: 0 0 14px; font-size: 18px; }
h3 { margin: 10px 0 14px; }
.kv {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(48,54,61,.65);
}
.kv span { color: var(--muted); }
.kv:last-child { border-bottom: 0; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.badge {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: #26303d;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  margin-right: 6px;
}
.badge.blue { background: rgba(88,166,255,.16); color: #a5d6ff; }
.badge.purple { background: rgba(188,140,255,.16); color: #d8b9ff; }

.pnl-pos { color: var(--ok); font-weight: 800; }
.pnl-neg { color: var(--danger); font-weight: 800; }
.pnl-flat { color: var(--muted); font-weight: 800; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 8px; text-align: left; border-bottom: 1px solid rgba(48,54,61,.75); white-space: nowrap; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.empty { color: var(--muted); }
.log-panel { margin-top: 16px; }
pre {
  margin: 0;
  padding: 14px;
  background: #05080d;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #c9d1d9;
  max-height: 420px;
  overflow: auto;
  font-size: 12px;
  line-height: 1.45;
}
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; gap: 14px; }
}
@media (max-width: 640px) {
  main, .topbar { padding: 18px; }
  .cards { grid-template-columns: 1fr; }
}