* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      height: 100vh;
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
        url('/imagenes/fondo-ITSOEH.jpg') no-repeat center center fixed;
      background-size: cover;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow: hidden;
      position: relative;
    }

    .login-container {
      background: rgba(0, 0, 0, 0.5);
      border-radius: 24px;
      backdrop-filter: blur(15px);
      padding: 60px 50px;
      width: 420px;
      color: white;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
      animation: flipIn 1s ease-out;
      position: relative;
      z-index: 2;
    }
	  
    .login-container h2 {
      text-align: center;
      margin-bottom: 30px;
      font-size: 28px;
      font-weight: bold;
    }


    @keyframes flipIn {
      from {
        transform: rotateY(-90deg);
        opacity: 0;
      }

      to {
        transform: rotateY(0);
        opacity: 1;
      }
    }

    .form-group {
      position: relative;
      margin-bottom: 25px;
    }

    .form-group input {
      width: 100%;
      padding: 15px 45px 15px 15px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 12px;
      color: white;
      font-size: 18px;
      outline: none;
    }

    .form-group input::placeholder {
      color: rgba(255, 255, 255, 0.8);
    }

    .form-group i {
      position: absolute;
      right: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: white;
      font-size: 16px;
    }

    .login-btn {
      width: 100%;
      padding: 15px;
      border: none;
      background: linear-gradient(90deg, #00848a, #18316b);
      color: white;
      border-radius: 12px;
      font-size: 18px;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.2s ease;
    }

    .login-btn:hover {
      background: linear-gradient(90deg, #005fb0, #1B396A);
      transform: scale(1.03);
    }

    .note {
      margin-top: 20px;
      font-size: 14px;
      color: #fff;
      text-align: center;
      line-height: 1.5;
    }
	  
	  .alerta{
	  width: 100%;
      padding: 15px 45px 15px 15px;
      background: rgba(255, 0, 0, 0.5);
      border: 1px;
      border-radius: 12px;
      color: #fff;
      font-size: 18px;
      outline: none;
	  }

    .note strong {
      color: #fff;
    }

    /* Estilos para el GIF */
    .loading-gif {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(255, 255, 255);
      justify-content: center;
      align-items: center;
      z-index: 3;
    }

    .loading-gif img {
      width: 30%; /* Cambia el tamaño según sea necesario */
    }