:root {
  --bg: var(--tg-theme-bg-color, #18222d);
  --card: var(--tg-theme-secondary-bg-color, #232e3c);
  --text: var(--tg-theme-text-color, #f5f5f5);
  --hint: var(--tg-theme-hint-color, #708499);
  --accent: var(--tg-theme-button-color, #5288c1);
  --green: #4caf7d;
  --red: #e05c5c;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  padding-bottom: 24px;
}

#tabs {
  display: flex;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--card);
}

.tab {
  flex: 1;
  padding: 12px 0;
  background: none;
  border: none;
  color: var(--hint);
  font-size: 15px;
  cursor: pointer;
}

.tab.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

main { padding: 12px; }

.page { display: none; }
.page.active { display: block; }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}

h2 {
  font-size: 14px;
  color: var(--hint);
  font-weight: 600;
  margin: 10px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.balance-equity { font-size: 28px; font-weight: 700; }
.balance-row {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 14px;
  color: var(--hint);
}
.balance-row b { color: var(--text); font-weight: 500; }

.pos {
  background: var(--card);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.pos-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.pos-symbol { font-weight: 700; font-size: 16px; }
.side-buy { color: var(--green); font-size: 12px; font-weight: 600; }
.side-sell { color: var(--red); font-size: 12px; font-weight: 600; }

.pos-detail {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 13px;
  color: var(--hint);
}

.pnl-pos { color: var(--green); font-weight: 600; }
.pnl-neg { color: var(--red); font-weight: 600; }

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 6px;
  font-size: 14px;
}

.row .sub { color: var(--hint); font-size: 12px; margin-top: 2px; }

.muted { color: var(--hint); font-size: 12px; text-align: center; margin-top: 10px; }
.loading { color: var(--hint); text-align: center; padding: 20px; }
.error { color: var(--red); text-align: center; padding: 14px; font-size: 13px; }

#equity-chart { width: 100%; height: 120px; display: block; }
#equity-chart polyline { fill: none; stroke: var(--accent); stroke-width: 2; }
#equity-chart .zero { stroke: var(--hint); stroke-width: 0.5; stroke-dasharray: 4 4; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 8px;
  background: var(--bg);
  color: var(--hint);
  margin-left: 6px;
}