.rectangle {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 100vh;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: white;
  font-size: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: width 0.5s ease-in-out, opacity 0.5s ease-in-out;
  pointer-events: none;
  z-index: 999;
  padding: 20px;
}


  .slide-right {
    width: 280px;
    opacity: 1;
    pointer-events: auto;
  }
  
  .menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    cursor: pointer;
    opacity: 0;
    animation: slideFadeIn 1s ease-in-out forwards;
    z-index: 1000;
  }
  
  
  @keyframes slideFadeIn {
    0% {
      transform: translateX(-20px);
      opacity: 0;
    }
    100% {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  .menu-toggle > div {
    background-color: #000;
    height: 2px;
    width: 100%;
    margin-bottom: 4px;
    opacity: 0;
    animation: fadeIn 1s ease-in-out forwards;
  }
  
  .menu-toggle > div:nth-child(1) {
    animation-delay: 0.2s;
  }
  
  .menu-toggle > div:nth-child(2) {
    animation-delay: 0.4s;
  }
  
  .menu-toggle > div:nth-child(3) {
    animation-delay: 0.6s;
  }
  
  @keyframes fadeIn {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }
  
  .menu-toggle > div {
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  
  .menu-toggle.active > div:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active > div:nth-child(2) {
    opacity: 0;
    transform: scale(0.2);
  }
  
  .menu-toggle.active > div:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .clickable-text {
    color: rgb(0, 0, 0);
    text-decoration: none;
    position: absolute;
    top: calc(20px + 30px + 10px); /* menu-toggle top + menu-toggle height + spacing */
    left: 20px;
    opacity: 0; /* Set initial opacity to 0 */
  }
  
  .clickable-text span {
    animation: fadeIn 0.5s ease-in-out forwards; /* Apply fade-in animation to each span element */
    opacity: 0;
  }
  
  @keyframes fadeIn {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }
  
  .clickable-text:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: rgb(0, 0, 0);
    transition: width 0.3s ease;
  }
  
  .clickable-text:hover:before {
    width: 100%;
  }
  
  
  
  body {
    font-family: Arial, sans-serif;
  }
  
  #signup-container {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
  }
  
  #signup-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
  }
  
  #signup-form input[type="text"],
  #signup-form input[type="file"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
  }
  
  #signup-form button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  #signup-form button:hover {
    background-color: #45a049;
  }
  .popup-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
    z-index: 9999;
  }
  
  .popup-container h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
  }
  
  .popup-container form label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
  }
  
  .popup-container form input[type="text"],
  .popup-container form input[type="file"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
  }
  
  .popup-container form button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .popup-container form button:hover {
    background-color: #45a049;
  }