body {
      background-color: #121212;
      color: #f5f5f5;
      min-height: 100vh;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      display: flex;
      flex-direction: column;
    }

    /* Navbar */
    .navbar {
      background: linear-gradient(to right, #00529B, #00305A);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
      padding: 0;
      width: 100%;
      top: 0;
      z-index: 1030;
    }

    .navbar .container {
      max-width: 1200px;
    }

    .navbar-brand {
      color: #fff !important;
      font-weight: bold;
      font-size: 1.5rem;
      display: flex;
      align-items: center;
      text-decoration: none;
      padding-left: 1rem;
    }

    .navbar-brand i {
      color: #ffd700;
      margin-right: 10px;
    }

    .navbar-nav .nav-link,
    .dropdown-item {
      color: #fff !important;
      font-weight: 500;
      transition: color 0.3s;
      font-size: 1rem;
    }

    .navbar-nav .nav-link:hover,
    .dropdown-item:hover,
    .navbar-nav .nav-link.active {
      color: #ffd700 !important;
    }

    .dropdown-menu {
      background: #1e1e1e;
      border: 1px solid #00529B;
    }

    .dropdown-item i {
      color: #ffd700;
    }

    .dropdown-item.disabled {
      pointer-events: none;
      opacity: 0.6;
    }

    /* Padding top for body to avoid navbar overlap */
    main {
      padding-top: 0px;
      flex-grow: 1;
    }

    .hero {
      background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8)), url('https://images.memphistours.com/large/24828801_bus.jpg');
      background-size: cover;
      background-position: center;
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: #fff;
      margin-bottom: 2rem;
      padding: 3rem 1rem 2rem 1rem;
    }

    .hero h1 {
      font-size: 3rem;
      margin-bottom: 1rem;
    }

    .hero p {
      font-size: 1.2rem;
      max-width: 700px;
      margin-bottom: 2rem;
    }

    .btn {
      background: #ffd700;
      color: #121212;
      border: none;
      border-radius: 5px;
      font-weight: bold;
      padding: 0.8rem 1.5rem;
      transition: all 0.3s;
      text-decoration: none;
    }

    .btn:hover {
      background: #e6c300;
      color: #121212;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2rem 1rem;
    }

    .section-title {
      font-size: 2rem;
      margin-bottom: 2rem;
      text-align: center;
      color: #ffd700;
    }

    .transport-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 2rem;
      margin-bottom: 3rem;
    }

    .transport-card {
      background: #1e1e1e;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      padding: 1.5rem;
      transition: transform 0.3s;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .transport-card:hover {
      transform: translateY(-5px);
    }

    .transport-card h3 {
      font-size: 1.3rem;
      margin-bottom: 0.5rem;
      color: #fff;
      display: flex;
      align-items: center;
    }

    .transport-card h3 i {
      margin-right: 0.75rem;
      color: #ffd700;
    }

    .transport-card p {
      color: #b8b8b8;
      margin-bottom: 1rem;
      flex-grow: 1;
    }

    .availability-status {
      font-weight: bold;
      margin-top: auto;
      padding-top: 1rem;
      border-top: 1px solid #333;
      color: #f5f5f5;
    }

    .availability-status .status {
      padding: 0.3rem 0.6rem;
      border-radius: 4px;
      font-size: 0.9em;
      display: inline-block;
    }

    /* Status colors */
    .status-high {
      background-color: #2a3f2a;
      color: #a0d8a0;
      border: 1px solid #3a5a3a;
    }

    .status-medium {
      background-color: #4a3a2a;
      color: #f0c674;
      border: 1px solid #5a4a3a;
    }

    .status-low {
      background-color: #4a2a2a;
      color: #d8a0a0;
      border: 1px solid #5a3a3a;
    }

    .status-variable {
      background-color: #2a2a3a;
      color: #a0a0d8;
      border: 1px solid #3a3a5a;
    }

    .transport-card-link {
      text-decoration: none;
      color: inherit;
      display: block;
      border-radius: 8px;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .transport-card-link:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .transport-card-link:hover .transport-card {
      box-shadow: none;
    }

    .routes-section {
      margin-bottom: 3rem;
    }

    .routes-filter {
      display: flex;
      justify-content: center;
      margin-bottom: 2rem;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .filter-btn {
      background: #1e1e1e;
      border: none;
      color: #b8b8b8;
      padding: 0.5rem 1.2rem;
      border-radius: 20px;
      cursor: pointer;
      transition: all 0.3s;
    }

    .filter-btn.active,
    .filter-btn:hover {
      background: #ffd700;
      color: #121212;
    }

    .route-search-form {
      background-color: rgba(255, 255, 255, 0.15);
      padding: 1.5rem 2rem;
      border-radius: 8px;
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      max-width: 800px;
      width: 90%;
      justify-content: center;
      align-items: center;
      backdrop-filter: blur(5px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      margin: 0 auto;
    }

    .route-search-form select {
      flex-grow: 1;
      padding: 0.8rem 1rem;
      border: 1px solid #ccc;
      border-radius: 5px;
      font-size: 1rem;
      min-width: 200px;
      background-color: white;
      color: #333;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
      background-repeat: no-repeat;
      background-position: right .7em top 50%;
      background-size: .65em auto;
      padding-right: 2.5em;
      cursor: pointer;
    }

    .route-search-form button {
      padding: 0.8rem 1.5rem;
      background-color: #ffd700;
      color: #121212;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      font-weight: bold;
      font-size: 1rem;
      transition: all 0.3s;
    }

    .route-search-form button:hover {
      background-color: #e6c300;
      transform: translateY(-3px);
    }

    .route-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 2rem;
    }

    .route-card {
      background: #1e1e1e;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      padding: 1.5rem;
      transition: transform 0.3s;
    }

    .route-card:hover {
      transform: translateY(-5px);
    }

    .route-card h3 {
      font-size: 1.5rem;
      margin-bottom: 0.75rem;
      color: #fff;
      display: flex;
      align-items: center;
    }

    .route-card h3 i {
      margin-right: 0.75rem;
      color: #ffd700;
    }

    .route-number {
      font-size: 1.1rem;
      font-weight: bold;
      color: #ffd700;
      margin-bottom: 1rem;
      display: block;
    }

    .route-card p {
      color: #b8b8b8;
      margin-bottom: 1rem;
    }

    .route-card strong {
      color: #ffd700;
      display: block;
      margin-bottom: 0.5rem;
    }

    .route-card ul {
      list-style: disc;
      padding-left: 1.5rem;
      color: #b8b8b8;
    }

    .route-card ul li {
      margin-bottom: 0.5rem;
    }

    #route-status {
      background: #1e1e1e;
      border: 1px solid #00529B;
      border-radius: 5px;
      padding: 1.5rem;
      margin-top: 2rem;
      text-align: center;
      color: #b8b8b8;
      transition: background-color 0.3s;
    }

    .recommendation-display {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 15px;
      margin-top: 1rem;
      padding: 1rem;
      background-color: #2a3f2a;
      border: 1px solid #3a5a3a;
      border-radius: 8px;
      color: #a0d8a0;
      font-size: 1.2em;
      font-weight: bold;
    }

    .recommendation-display i {
      font-size: 1.8em;
      color: #a0d8a0;
    }

    .recommendation-details {
      text-align: left;
    }

    .recommendation-details strong {
      display: block;
      margin-bottom: 0.3rem;
      color: #a0d8a0;
    }

    .recommendation-details span {
      font-size: 0.9em;
      color: #b8b8b8;
    }

    .footer-transport {
      background: #1a1a1a;
      color: #fff;
      padding: 2.5rem 1rem 1.5rem 1rem;
      margin-top: auto;
      border-top: 1px solid #00529B;
      text-align: center;
    }

    .footer-transport .footer-logo {
      font-size: 1.3rem;
      font-weight: bold;
      color: #ffd700;
      margin-bottom: 1rem;
    }

    .footer-transport .footer-links {
      display: flex;
      justify-content: center;
      gap: 2rem;
      margin-bottom: 1.2rem;
      flex-wrap: wrap;
    }

    .footer-transport .footer-link {
      color: #b8b8b8;
      text-decoration: none;
      transition: color 0.3s;
    }

    .footer-transport .footer-link:hover {
      color: #ffd700;
    }

    .footer-transport .social-links {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 1.2rem;
    }

    .footer-transport .social-link {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #2a2a2a;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
      text-decoration: none;
      font-size: 1.1rem;
      transition: all 0.3s;
    }

    .footer-transport .social-link:hover {
      background: #ffd700;
      color: #121212;
    }

    .footer-transport .copyright {
      color: #666;
      font-size: 0.9rem;
      margin-top: 1rem;
    }

    @media (max-width: 768px) {
      .hero h1 {
        font-size: 2.2rem;
      }

      .hero p {
        font-size: 1rem;
      }

      .section-title {
        font-size: 1.7rem;
      }

      .transport-card,
      .route-card {
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
      }

      .route-search-form {
        flex-direction: column;
        align-items: stretch;
      }

      .route-search-form select,
      .route-search-form button {
        width: 100%;
      }
    }