body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.chart-card {
  margin-top: 20px;
}

label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

input, select {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
}

button {
  margin-top: 15px;
  padding: 10px;
  width: 100%;
  border: none;
  background: #4f46e5;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #4338ca;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  padding: 8px;
  margin-bottom: 6px;
  border-radius: 8px;
  color: white;
}