body {
  font-family: 'Poppins', sans-serif;
  background-color: #ffffff;
  color: #111827;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.statystyki-panel {
  max-width: 960px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: #111827;
}

select,
input[type="text"] {
  padding: 0.6rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
  margin-bottom: 1rem;
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
}

button {
  background-color: #3b82f6;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2563eb;
}

.podsumowanie {
  background: #f9fafb;
  padding: 1.5rem;
  margin-top: 2rem;
  border-radius: 1rem;
  border: 1px solid #e5e7eb;
}

.podsumowanie li {
  margin: 0.25rem 0;
}

.wykres-panel {
  margin-top: 2rem;
}

label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}