:root {
      --primary: #007bff;
      --text: #333;
      --bg: #f9f9f9;
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background-color: var(--bg);
      color: var(--text);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      text-align: center;
      padding: 2rem;
    }

    h1 {
      font-size: 2rem;
      margin-bottom: 1rem;
    }

    p {
      font-size: 1.1rem;
      max-width: 500px;
      margin-bottom: 2rem;
    }

    .social-icons a {
      margin: 0 0.5rem;
      font-size: 1.6rem;
      color: var(--primary);
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .social-icons a:hover {
      transform: scale(1.2);
      opacity: 0.8;
    }

    .btn-home {
      background-color: var(--primary);
      color: #fff;
      border: none;
      padding: 0.8rem 1.5rem;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s;
    }

    .btn-home:hover {
      background-color: #0056b3;
    }

    .icon-warning {
      font-size: 3rem;
      color: var(--primary);
      margin-bottom: 1rem;
      transition: transform 0.3s ease;
    }

    .icon-warning:hover {
      transform: scale(1.2);
    }

    .toast-msg {
      position: fixed;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #007bff;
      color: white;
      padding: 1rem 2rem;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.2);
      opacity: 0;
      transition: opacity 0.5s ease;
      z-index: 999;
      font-size: 0.95rem;
    }

    .toast-msg.show {
      opacity: 1;
    }

    #typewriter::after {
      content: "|";
      animation: blinkCursor 1s infinite;
      margin-left: 4px;
      color: var(--primary);
    }

    @keyframes blinkCursor {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }