body {
  margin: 0;
  background: #0d1117;
  color: #e6edf3;
  font-family: Arial;
}

.container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 300px;
  background: #161b22;
  padding: 10px;
  overflow-y: auto;
}

.main {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.card {
  padding: 10px;
  border-bottom: 1px solid #30363d;
  cursor: pointer;
}

.card:hover {
  background: #21262d;
}

.bullish { color: #00ff9c; }
.bearish { color: #ff4d4d; }