* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: "Inter", "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    position: relative;
    font-size: 16px;
    line-height: 1.6;
  }
  
  body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, #1a1a1a, #121212, #000000);
    background-size: 400% 400%;
    animation: background-animation 20s infinite alternate ease-in-out;
    z-index: -1;
  }
  
  @keyframes background-animation {
    0% {
      background-position: 0% 0%;
    }
    100% {
      background-position: 100% 100%;
    }
  }
  
  #login, #signup, #chat, #menu, #createParty, #joinParty {
    display: none;
    max-width: 400px;
    width: 90%;
    padding: 25px;
    background: #1e1e1e;
    border-radius: 15px;
    box-shadow: 0px 6px 15px rgba(0, 0, 0, 0.7);
    transition: transform 0.3s ease, opacity 0.3s ease;
    font-family: "Nunito", "Inter", sans-serif;
  }
  
  #chat {
    max-width: 1000px;
    padding: 50px;
    background: #121212;
    position: relative; 
    display: none;
  }
  
  #chat.active {
    display: block;
  }
  
  #top-left-buttons {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    align-items: center;
  }
  
  #logoutBtn, #deleteAccountBtn {
    background: none;
    border: none;
    color: #ff4d4d; 
    font-size: 18px;
    cursor: pointer;
    transition: color 0.3s ease;
  }
  
  #logoutBtn:hover, #deleteAccountBtn:hover {
    color: #ff1a1a;
  }
  
  #logoutBtn i, #deleteAccountBtn i {
    font-size: 24px;
  }
  
  .message-input-container {
    display: flex;
    align-items: center;
    width: 100%;
  }
  
  #messageInput {
    flex: 1;
    padding: 15px;
    margin-right: 10px;
    border: none;
    border-radius: 20px;
    background: #2a2a2a;
    color: #e0e0e0;
    box-shadow: inset 0px 2px 5px rgba(0, 0, 0, 0.5);
    font-size: 16px;
  }
  
  #messageInput:focus {
    outline: none;
    background: #333333;
  }
  
  #sendBtn {
    background: none;
    border: none;
    color: #28a745;
    max-width: 50px;
    font-size: 24px;
    cursor: pointer;
  }
  
  #sendBtn:hover {
    color: #218838;
  }
  
  #sendBtn i {
    font-size: 24px;
  }
  

  h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
    font-family: "Roboto", "Nunito", sans-serif;
    font-weight: bold;
    color: #ffffff;
  }
  
  input, button {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: "Inter", sans-serif;
  }
  
  input {
    background: #2a2a2a;
    color: #e0e0e0;
    box-shadow: inset 0px 2px 5px rgba(0, 0, 0, 0.5);
  }
  
  input:focus {
    outline: none;
    background: #333333;
  }
  
  button {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff;
  }
  
  button {
    padding: 10px 20px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  #loginBtn {
    background: linear-gradient(145deg, #007bff, #0056b3); 
  }
  
  #loginBtn:hover {
    background: linear-gradient(145deg, #0056b3, #004085);
    transform: scale(1.05);
  }
  
  #signupBtn {
    background: linear-gradient(145deg, #fd7e14, #e65100); 
  }
  
  #signupBtn:hover {
    background: linear-gradient(145deg, #e65100, #cc5200);
    transform: scale(1.05);
  }
  
  #menu button {
    background: linear-gradient(145deg, #6c757d, #495057); 
  }
  
  #menu button:hover {
    background: linear-gradient(145deg, #495057, #343a40);
    transform: scale(1.05);
  }
  
  #backToMenuFromJoin, #backToMenuFromJoin {
    background: linear-gradient(145deg, #6c757d, #495057); 
  }
  
  #backToMenuFromJoin:hover, #backToMenuFromJoin:hover {
    background: linear-gradient(145deg, #495057, #343a40);
    transform: scale(1.05);
  }
  #backToMenuFromCreate, #backToMenuFromJoin {
    background: linear-gradient(145deg, #6c757d, #495057); 
  }
  
  #backToMenuFromCreate:hover, #backToMenuFromJoin:hover {
    background: linear-gradient(145deg, #495057, #343a40);
    transform: scale(1.05);
  }
  #joinPartySubmitBtn {
    background: linear-gradient(145deg, #28a745, #218838); 
  }
  
  #joinPartySubmitBtn:hover {
    background: linear-gradient(145deg, #218838, #1e7e34);
    transform: scale(1.05);
  }
  
  #leavePartyBtn {
    background-color: #f44336; 
    color: white; 
    display: inline-block; 
    margin-top: 10px;
  }

  #deletePartyBtn {
    background-color: #f44336;
    color: white; 
    display: inline-block; 
    margin-top: 10px; 
  } 
  
  #messages {
    height: 600px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 15px;
    background: #292929;
    border-radius: 10px;
    box-shadow: inset 0px 2px 5px rgba(0, 0, 0, 0.5);
    font-family: "Nunito", sans-serif;
    font-size: 14px;
  }
  
  #messages::-webkit-scrollbar {
    width: 10px;
  }
  
  #messages::-webkit-scrollbar-thumb {
    background: #444444;
    border-radius: 10px;
  }
  
  #messages::-webkit-scrollbar-thumb:hover {
    background: #555555;
  }
  
  #messages::-webkit-scrollbar-track {
    background: #2a2a2a;
    border-radius: 10px;
  }
  
  .message {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 10px;
    background: #3a3a3a;
    color: #e0e0e0;
  }
  
  .message:nth-child(odd) {
    background: #333333;
  }
  
  .link {
    text-align: center;
    margin-top: 15px;
    color: #808080;
    cursor: pointer;
    transition: color 0.3s ease;
    font-family: "Roboto", sans-serif;
  }
  
  .link:hover {
    color: #a0a0a0;
    text-decoration: underline;
  }
  
  .password-container {
    position: relative;
  }
  .toggle-password {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #e0e0e0;
  }
  
  @media (max-width: 600px) {
    #login, #signup, #chat, #menu, #createParty, #joinParty {
      max-width: 100%;
      padding: 20px;
      border-radius: 10px;
    }
    input, button {
      font-size: 14px;
      padding: 10px;
    }
  }

  #top-right-buttons {
    position: absolute;
    top: 10px;
    right: 10px;
  }

  .dropdown {
    position: relative;
    display: inline-block;
  }

  .dropbtn {
    background-color: #333; 
    color: white;
    padding: 10px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
  }

  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #444; 
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 5px;
    overflow: hidden;
  }

  .dropdown-content button {
    color: white; 
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    width: 100%;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
  }

  .dropdown-content button:hover {
    background-color: #555; 
  }

  .dropdown:hover .dropdown-content {
    display: block;
  }

  .dropdown:hover .dropbtn {
    background-color: #555; 
  }

  #top-left-buttons button {
    background-color: #333;
    color: white;
    padding: 10px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    margin-right: 10px;
  }

  #top-left-buttons span {
    color: white;
    font-size: 16px;
  }

  #menu {
    display: none; 
  }

  #menu.active {
    display: block; 
  }

  .container {
    display: none;
  }

  .container.active {
    display: block; 
  }

  #partyCodeContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    font-size: 16px;
    color: white;
  }

  #toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
  }

  .toast {
    background-color: #333;
    color: white;
    padding: 10px 20px;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
  }

  .toast.show {
    opacity: 1;
  }