body {
      margin: 0;
      font-family: Arial, sans-serif;
      background-color: #111;
      color: #fff;
    }

    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background-color: #111;
      padding: 10px 20px;
    }

    .logo {
      font-size: 24px;
      font-weight: bold;
      color: white;
    }

    nav {
      display: flex;
      gap: 20px;
    }

    nav a {
      color: #ddd;
      text-decoration: none;
      font-size: 14px;
    }

    .nav-right {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .btn {
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 14px;
      cursor: pointer;
      border: 1px solid #555;
      background: transparent;
      color: white;
    }

    .btn-primary {
      background: #0a84ff;
      border: none;
    }

    .container {
      display: flex;
      justify-content: center;
      align-items: center;
      height: calc(100vh - 60px);
    }

    .login-box {
      background-color: #1c1c1c;
      padding: 30px;
      border-radius: 6px;
      width: 320px;
      text-align: center;
    }

    .login-box h2 {
      margin-bottom: 20px;
    }

    .login-box input {
      width: 100%;
      padding: 10px;
      margin: 8px 0;
      border: 1px solid #555;
      border-radius: 4px;
      background: #111;
      color: white;
    }

    .login-box button {
      width: 100%;
      padding: 10px;
      margin-top: 10px;
      border: none;
      border-radius: 4px;
      background: #333;
      color: white;
      cursor: pointer;
    }

    .login-box button:hover {
      background: #444;
    }

    .login-box .link {
      display: block;
      margin: 12px 0;
      font-size: 13px;
      color: #0a84ff;
      text-decoration: none;
    }

    footer {
      background-color: #111;
      padding: 20px;
      text-align: center;
      font-size: 12px;
      color: #aaa;
    }

    footer a {
      margin: 0 5px;
      color: #aaa;
      text-decoration: none;
    }

    footer a:hover {
      text-decoration: underline;
    }