body {
    font-family: "Segoe UI", sans-serif;
    background: #f0f4f8;
    color: #333;
    max-width: 700px;
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #e8f0ff, #f6fbff);
  }
  
  h1 {
    text-align: center;
    color: #1a237e;
  }
  
  form label {
    font-weight: 600;
    margin-top: 1rem;
    display: block;
  }
  
  input {
    width: 100%;
    padding: 0.6rem;
    font-size: 1rem;
    margin-top: 0.2rem;
    border: 1px solid #ccc;
    border-radius: 8px;
  }
  
  button {
    margin-top: 1.5rem;
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #1558c0;
  }
  
  .result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #ffffffd9;
    border-radius: 12px;
    border: 1px solid #ddd;
  }
  
 canvas {
  max-width: 100%;
  max-height: 400px;
  width: 100%;
  height: 400px;
  margin-top: 2rem;
}

.vekst-container {
  display: none;
  margin-top: 1rem;
}

.vekst-container.open {
  display: block;
}