:root {
      --sky-blue: #87CEEB;
      --earth-brown: #8B4513;
      --dark-green: #006400;
      --yellow: #FFD700;
    }

    .boerror {
      background: linear-gradient(135deg, var(--sky-blue), var(--dark-green));
      color: white;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 2rem;
    }

    .error-container {
      background-color: rgba(255, 255, 255, 0.05);
      padding: 3rem;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      text-align: center;
      max-width: 600px;
      width: 100%;
    }

    .error-code {
      font-size: 6rem;
      font-weight: 700;
      color: var(--yellow);
      text-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    }

    .error-message {
      font-size: 1.5rem;
      margin-bottom: 1rem;
    }

    .btn-home {
      background-color: var(--dark-green);
      border: none;
      padding: 0.75rem 2rem;
      font-size: 1.1rem;
      color: #fff;
      border-radius: 50px;
      transition: 0.3s;
    }

    .btn-home:hover {
      background-color: #005000;
      transform: scale(1.05);
    }

    .error-icon {
      font-size: 3rem;
      color: white;
      margin-bottom: 1rem;
    }