.login-container{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000}.login-form{background:#fff;padding:2rem;border-radius:10px;width:90%;max-width:400px}.login-form input{width:100%;padding:.75rem;margin:.5rem 0;border:1px solid #ddd;border-radius:5px}.login-form button{width:100%;padding:.75rem;background:#007bff;color:#fff;border:none;border-radius:5px;cursor:pointer}.chat-button{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background:#007bff;color:#fff;border:none;font-size:1.5rem;cursor:pointer;z-index:1000}.chat-window{position:fixed;bottom:20px;right:20px;width:350px;height:500px;background:#fff;border-radius:10px;box-shadow:0 5px 25px #0003;display:flex;flex-direction:column;z-index:1000}.chat-header{padding:1rem;background:#007bff;color:#fff;border-radius:10px 10px 0 0;display:flex;justify-content:space-between;align-items:center}.chat-messages{flex:1;padding:1rem;overflow-y:auto}.message{margin:.5rem 0;padding:.75rem;border-radius:10px;max-width:80%}.user-message{background:#007bff;color:#fff;margin-left:auto}.bot-message{background:#f1f1f1;color:#333}.chat-input{padding:1rem;border-top:1px solid #ddd;display:flex}.chat-input input{flex:1;padding:.75rem;border:1px solid #ddd;border-radius:5px;margin-right:.5rem}.chat-input button{padding:.75rem 1rem;background:#007bff;color:#fff;border:none;border-radius:5px;cursor:pointer}