* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: Arial, sans-serif;
    }

    body {
      background: url('https://images.unsplash.com/photo-1587614203976-365c74645e83?auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
      min-height: 100vh;
      color: white;
    }

    nav {
      background-color: #001f3f;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 50px;
      position: fixed;
      width: 100%;
      top: 0;
      left: 0;
      z-index: 1000;
      box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }

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

    nav .logo span {
      color: orange;
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 25px;
    }

    nav ul li a {
      color: white;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      padding: 6px 12px;
      border-radius: 4px;
      transition: background-color 0.3s ease;
    }

    nav ul li a:hover,
    nav ul li a.active {
      background-color: orange;
      color: black;
    }

    .login-container {
      background-color: rgba(0, 0, 0, 0.7);
      max-width: 400px;
      margin: 140px auto 60px;
      padding: 40px 30px;
      border-radius: 10px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
      color: white;
    }

    .login-container h2 {
      text-align: center;
      margin-bottom: 30px;
      font-size: 28px;
      font-weight: 700;
      color: orange;
    }

    .input-group {
      margin-bottom: 20px;
    }

    .input-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: white;
    }

    .input-group input {
      width: 100%;
      padding: 12px 15px;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      background-color: #001f3f;
      color: white;
      transition: background-color 0.3s ease, box-shadow 0.3s ease;
    }

    .input-group input::placeholder {
      color: #ccc;
    }

    .input-group input:focus {
      outline: none;
      background-color: #003366;
      box-shadow: 0 0 6px orange;
    }

    .login-btn {
      width: 100%;
      padding: 14px 0;
      font-size: 18px;
      font-weight: 700;
      color: black;
      background-color: orange;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .login-btn:hover {
      background-color: #cc7a00;
    }

    .extra-options {
      margin-top: 20px;
      text-align: center;
      font-size: 14px;
      color: white;
    }

    .extra-options a {
      color: orange;
      text-decoration: none;
      font-weight: 600;
      transition: text-decoration 0.3s;
    }

    .extra-options a:hover {
      text-decoration: underline;
    }

    @media (max-width: 600px) {
      nav {
        flex-direction: column;
        align-items: flex-start;
      }

      nav ul {
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
      }

      nav ul li {
        margin-bottom: 12px;
      }

      .login-container {
        margin: 120px 20px 40px;
        padding: 30px 20px;
      }
    }