body, html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  background-color: #151b23;
  color: #ccc;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
  overflow-x: hidden;
  overflow-y: auto;
}

h1 {
  text-align: center;
  border-bottom: 1px solid #414868;
  padding-bottom: 0.5rem;
  color: #70a5fd;
}

form {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap; 
  gap: 15px;      
  margin-bottom: 2rem;
  width: 100%;
}

input[type="text"], select {
  padding: 0.6rem;
  font-size: 1rem;
  border: 1px solid #414868;
  border-radius: 6px;
  background-color: #1a1b27;
  color: #ccc;
  min-width: 250px; 
  flex: 1;          
}

button {
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  color: #fff;
  background-color: #28a745;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  flex: 1;         
  min-width: 150px;
}

#stats-container svg {
  width: 100%;
  height: auto;
  max-width: 900px; 
  display: block;
}

@media (max-width: 600px) {
  body {
    padding: 1rem;
  }
  
  form {
    flex-direction: column; 
    align-items: stretch;   
  }

  input[type="text"], select, button {
    width: 100%;
    margin: 0;
  }
}