body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #fff;
    color: #333;
  }
  
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid #eee;
  }

  .pysat-text {
    color: #fc9450;
  }
  
  h1 {
    font-size: 2.5rem;
    color: #444;
  }
  
  .auth-buttons button {
    margin-left: 10px;
    background: #e0e0e0;
    border: 1px solid #bbb;
    color: #333;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
  }
  
  .auth-buttons button:hover {
    background: #d5d5d5;
  }
  
  .columns {
    display: flex;
    justify-content: space-around;
    padding: 2rem;
    gap: 2rem;
  }
  
  section {
    flex: 1;
    background: #fafafa;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  }
  
  section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #666;
  }
  
  input {
    width: 100%;
    max-width: 300px;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-top: 0.5rem;
  }
  
  button {
    padding: 0.5rem 1rem;
    margin-top: 0.5rem;
    border: none;
    background: #6c63ff;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    width: auto;
  }
  
  ul {
    list-style: none;
    padding: 0;
  }
  
  li {
    margin: 0.5rem 0;
    background: #fff;
    padding: 0.5rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
  }
  
  .remove-btn {
    cursor: pointer;
    color: red;
    margin-left: 1rem;
  }
  
/* Popup */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
  }
  
  .popup-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center; /* CENTER contents horizontally */
    gap: 1rem;
  }
  
  .popup-content input,
  .popup-content button {
    width: 100%;              /* Stretch inputs/buttons to full width */
    max-width: 300px;         /* But limit maximum size */
    text-align: center;       /* Optional: center text in input fields */
  }
  
  .popup-content h2 {
    margin-top: 0;
    text-align: center;
  }
  
  /* Close Button */
  .close-btn {
    position: absolute;
    top: 10px;
    right: 16px;
    font-size: 24px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
  }
  
  .close-btn:hover {
    color: #333;
  }
  
  
  /* Responsive */
  @media (max-width: 900px) {
    .columns {
      flex-direction: column;
      align-items: center;
    }
  
    section {
      width: 90%;
      margin-bottom: 1.5rem;
    }
  }