* {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #111 url('../img/fundo_cel_cinza.jpg') no-repeat center center fixed;
      background-size: cover;
      color: #eee;
      line-height: 1.5;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 20px;
        margin: 0;
      font-family: Arial, sans-serif;
      background: url('../images/back.png') no-repeat center center fixed;
      background-size: cover;

    }

    header {
      margin-bottom: 30px;
      text-align: center;
      color: #00c3ff;
    }
    header h2 {
      margin: 0;
      font-size: 2rem;
    }
    header .highlight {
      color: #00ffff;
      font-weight: 700;
    }

    nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-bottom: 30px;
      max-width: 800px;
      width: 100%;
    }
    nav a {
      background-color: #222;
      border: 1px solid #444;
      border-radius: 8px;
      color: #ccc;
      padding: 10px 14px;
      text-decoration: none;
      font-size: 0.9rem;
      transition: background-color 0.3s, color 0.3s;
      flex: 1 1 130px;
      text-align: center;
      user-select: none;
    }
    nav a:hover,
    nav a:focus {
      background-color: #00c3ff;
      color: #111;
      outline: none;
    }

    main.container {
      background-color: rgba(30, 30, 30, 0.95);
      border-radius: 12px;
      max-width: 600px;
      width: 100%;
      padding: 25px 30px;
      box-shadow: 0 0 15px rgba(0, 195, 255, 0.6);
    }

    main.container p.welcome {
      font-size: 1.1rem;
      margin-bottom: 25px;
      text-align: center;
      color: #00c3ff;
      font-weight: 600;
    }

    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
      max-width: 100%;
    }
    form label {
      display: flex;
      flex-direction: column;
      font-weight: 600;
      font-size: 0.95rem;
      color: #ddd;
    }
    form input[type="text"],
    form input[type="password"],
    form input[type="number"] {
      padding: 8px 12px;
      border-radius: 8px;
      border: 1px solid #555;
      background-color: #222;
      color: #eee;
      font-size: 1rem;
      transition: border-color 0.3s;
    }
    form input[type="text"]:focus,
    form input[type="password"]:focus,
    form input[type="number"]:focus {
      outline: none;
      border-color: #00c3ff;
      background-color: #111;
    }

    form button,
    form input[type="submit"],
    form input[type="reset"] {
      padding: 10px 15px;
      border: none;
      border-radius: 8px;
      background-color: #00c3ff;
      color: #111;
      font-weight: 700;
      cursor: pointer;
      transition: background-color 0.3s, color 0.3s;
      user-select: none;
      font-size: 1rem;
    }
    form button:hover,
    form input[type="submit"]:hover,
    form input[type="reset"]:hover {
      background-color: #0099cc;
      color: #fff;
    }
    form input[type="reset"] {
      background-color: #666;
      color: #eee;
    }
    form input[type="reset"]:hover {
      background-color: #444;
      color: #fff;
    }

    h3 {
      margin-top: 0;
      color: #00c3ff;
      text-align: center;
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    p.instructions {
      font-size: 0.9rem;
      color: #ccc;
      margin-top: 0;
      margin-bottom: 25px;
      line-height: 1.3;
      text-align: center;
      white-space: pre-line;
    }

    @media (max-width: 480px) {
      nav a {
        flex: 1 1 100%;
      }
      main.container {
        padding: 20px 15px;
      }
      form label {
        font-size: 0.9rem;
      }
      h3 {
        font-size: 1.3rem;
      }

      * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #111 url('../img/fundo_cel_cinza.jpg') no-repeat center center fixed;
      background-size: cover;
      color: #eee;
      line-height: 1.5;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 20px;
        margin: 0;
      font-family: Arial, sans-serif;
      background: url('../images/back.png') no-repeat center center fixed;
      background-size: cover;

    }

    header {
      margin-bottom: 30px;
      text-align: center;
      color: #00c3ff;
    }
    header h2 {
      margin: 0;
      font-size: 2rem;
    }
    header .highlight {
      color: #00ffff;
      font-weight: 700;
    }

    nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-bottom: 30px;
      max-width: 800px;
      width: 100%;
    }
    nav a {
      background-color: #222;
      border: 1px solid #444;
      border-radius: 8px;
      color: #ccc;
      padding: 10px 14px;
      text-decoration: none;
      font-size: 0.9rem;
      transition: background-color 0.3s, color 0.3s;
      flex: 1 1 130px;
      text-align: center;
      user-select: none;
    }
    nav a:hover,
    nav a:focus {
      background-color: #00c3ff;
      color: #111;
      outline: none;
    }

    main.container {
      background-color: rgba(30, 30, 30, 0.95);
      border-radius: 12px;
      max-width: 600px;
      width: 100%;
      padding: 25px 30px;
      box-shadow: 0 0 15px rgba(0, 195, 255, 0.6);
    }

    main.container p.welcome {
      font-size: 1.1rem;
      margin-bottom: 25px;
      text-align: center;
      color: #00c3ff;
      font-weight: 600;
    }

.container {
  background-color: #ffffff00;
  max-width: 720px;
  width: 90%;
  padding: 30px 25px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0);
  text-align: center;
}




.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  border: 1px solid var(--border-color);
  padding: 3px 6px;
  margin: 10px auto 20px auto;
  border-radius: 5px;
  background-color: #fdf8f800;
  max-width: 300px;
  text-align: center;
}

    .marquee-text {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 12s linear infinite;
  font-weight: 00;
  color: #fff
}


    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
      max-width: 100%;
    }
    form label {
      display: flex;
      flex-direction: column;
      font-weight: 600;
      font-size: 0.95rem;
      color: #ddd;
    }
    form input[type="text"],
    form input[type="password"],
    form input[type="number"] {
      padding: 8px 12px;
      border-radius: 8px;
      border: 1px solid #555;
      background-color: #222;
      color: #eee;
      font-size: 1rem;
      transition: border-color 0.3s;
    }
    form input[type="text"]:focus,
    form input[type="password"]:focus,
    form input[type="number"]:focus {
      outline: none;
      border-color: #00c3ff;
      background-color: #111;
    }

    form button,
    form input[type="submit"],
    form input[type="reset"] {
      padding: 10px 15px;
      border: none;
      border-radius: 8px;
      background-color: #00c3ff;
      color: #111;
      font-weight: 700;
      cursor: pointer;
      transition: background-color 0.3s, color 0.3s;
      user-select: none;
      font-size: 1rem;
    }
    form button:hover,
    form input[type="submit"]:hover,
    form input[type="reset"]:hover {
      background-color: #0099cc;
      color: #fff;
    }
    form input[type="reset"] {
      background-color: #666;
      color: #eee;
    }
    form input[type="reset"]:hover {
      background-color: #444;
      color: #fff;
    }



    
    h3 {
      margin-top: 0;
      color: #00c3ff;
      text-align: center;
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    p.instructions {
      font-size: 0.9rem;
      color: #ccc;
      margin-top: 0;
      margin-bottom: 25px;
      line-height: 1.3;
      text-align: center;
      white-space: pre-line;
    }

    @media (max-width: 480px) {
      nav a {
        flex: 1 1 100%;
      }
      main.container {
        padding: 20px 15px;
      }
      form label {
        font-size: 0.9rem;
      }
      h3 {
        font-size: 1.3rem;
      }
    }
    }