* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
  }

  header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  header a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
  }

  nav {
    background-color: #34495e;
    padding: 0.5rem 2rem;
  }

  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  nav .nav-left {
    display: flex;
    flex: 1;
  }

  nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: inline-block;
    margin-right: 1rem;
  }

  nav a:hover {
    background-color: #2c3e50;
    border-radius: 4px;
  }

  nav .nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .user-info {
    color: white;
    font-size: 0.875rem;
  }

  .user-info strong {
    color: #3498db;
  }

  .logout-btn {
    background-color: #e74c3c;
    color: white;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.875rem;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
  }

  .logout-btn:hover {
    background-color: #c0392b;
  }

  main {
    padding: 2rem;
    margin: 0 auto;
    display:flex;
  }

  .container {
    justify-items: center;
    margin: auto;
    width: 100%;
    background-color: white;
    padding: 2rem 5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  h1 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
  }

  h2 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #34495e;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
  }

  th,
  td {
    padding: 0.75rem;
    text-align: left;
  }

  tbody tr {
    border-bottom: 1px solid #ddd;
  }

  th {
    background-color: #ecf0f1;
    font-weight: bold;
    color: #2c3e50;
  }

  tr:hover {
    background-color: #f9f9f9;
  }

  .button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background-color 0.3s;
  }

  .button:hover {
    background-color: #2980b9;
  }

  .button.success {
    background-color: #27ae60;
  }

  .button.success:hover {
    background-color: #229954;
  }

  .button.danger {
    background-color: #e74c3c;
  }

  .button.danger:hover {
    background-color: #c0392b;
  }

  .form-group {
    margin-bottom: 1.5rem;
  }

  label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #2c3e50;
  }

  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  textarea,
  select,
  .form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
  }

  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus,
  input[type="url"]:focus,
  textarea:focus,
  select:focus,
  .form-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  }

  textarea {
    resize: vertical;
    min-height: 100px;
  }

  input[type="checkbox"] {
    margin-right: 0.5rem;
  }

  .checkbox-wrapper {
    display: flex;
    align-items: center;
  }

  .form-group button {
    margin-top: 1rem;
  }

  .alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
  }

  .alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
  }

  .alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
  }

  .actions {
    display: flex;
    gap: 0.5rem;
  }

  .actions form {
    display: inline;
  }

  .code {
    background-color: #ebffe6;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.875rem;
  }

    /* Responsive */

    @media (max-width: 960px) {
      .container {
        min-width: 100%;
      }
    }