:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #4361ee;--secondary-color: #3f37c9;--accent-color: #4895ef;--light-color: #f8f9fa;--dark-color: #212529;--success-color: #4cc9f0;--danger-color: #f72585;--warning-color: #f8961e;--info-color: #43aa8b;--border-radius: 8px;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{background-color:#f5f7fa;color:var(--dark-color);line-height:1.6}nav{background-color:#fff;box-shadow:var(--box-shadow);padding:1rem 2rem;display:flex;justify-content:center;align-items:center;position:fixed;top:0;z-index:100;width:100%}.signout-btn{padding:.5rem;font-size:.5rem}nav a{color:var(--dark-color);text-decoration:none;margin:0 1rem;font-weight:500;transition:var(--transition)}nav a:hover{color:var(--primary-color)}.auth-desktop{display:block}.auth-mobile{display:none}.auth-container{display:flex;justify-content:center;align-items:center;min-height:80vh;width:100vw}.auth-form{background:#fff;padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);width:100%;max-width:400px}.auth-form h2{margin-bottom:1.5rem;color:var(--primary-color);text-align:center}.auth-form input{width:100%;padding:.75rem;margin-bottom:1rem;border:1px solid #ddd;border-radius:var(--border-radius);font-size:1rem;transition:var(--transition)}.auth-form input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4361ee33}.auth-form button{width:100%;padding:.75rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition)}.auth-form button:hover{background-color:var(--secondary-color)}.error-message{color:var(--danger-color);margin-bottom:1rem;text-align:center}.chat-container{display:flex;flex-direction:column;width:100vw;margin:0;background:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);overflow:hidden;height:75vh}.chat-header{background-color:var(--primary-color);color:#fff;padding:1rem;display:flex;justify-content:space-between;align-items:center;position:absolute;width:100%;top:10%;left:0}.chat-messages{flex:1;padding:1rem;overflow-y:auto;background-color:#f8f9fa}.message-form{display:flex;padding:1rem;background-color:#fff;border-top:1px solid gray;position:relative;top:10px}.message-form input{flex:1;padding:.75rem;border:1px solid #ddd;border-radius:var(--border-radius);font-size:1rem;margin-right:.5rem}.message-form input:focus{outline:none;border-color:var(--primary-color)}.message-form button{padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-weight:500;cursor:pointer;transition:var(--transition)}.message-form button:hover{background-color:var(--secondary-color)}.message{margin-bottom:1rem;padding:.75rem 1rem;border-radius:var(--border-radius);max-width:70%;word-wrap:break-word;position:relative}.message.current-user{background-color:var(--primary-color);color:#fff;margin-left:auto;border-bottom-right-radius:0}.message.other-user{background-color:#e9ecef;margin-right:auto;border-bottom-left-radius:0}.message-info{display:flex;justify-content:space-between;font-size:.8rem;margin-top:.5rem;opacity:.8}.message.current-user .message-info{color:#fffc}.auth-details{display:flex;align-items:center;gap:1rem}.auth-details p{margin:0}.auth-details button{padding:.5rem 1rem;background-color:var(--danger-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition)}.auth-details button:hover{background-color:#d31666}@media (max-width: 768px){.chat-container{height:80vh;margin:0;border-radius:0}nav{flex-direction:column;padding:1rem}nav a{margin:.5rem 0}.message{max-width:85%}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message{animation:fadeIn .3s ease-out}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#aaa}.menu-icon{display:none;cursor:pointer}.nav-links{display:flex;gap:1rem}@media screen and (max-width: 576px){:root{--primary-color: #4361ee;--secondary-color: #3f37c9;--accent-color: #4895ef;--light-color: #f8f9fa;--dark-color: #212529;--success-color: #4cc9f0;--danger-color: #f72585;--warning-color: #f8961e;--info-color: #43aa8b;--border-radius: 8px;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{background-color:#f5f7fa;color:var(--dark-color);line-height:.5}nav{background-color:#fff;box-shadow:var(--box-shadow);padding:1rem;display:flex;justify-content:space-between;align-items:center;position:fixed;top:0;z-index:100;width:100%;height:8vh}nav a{color:var(--dark-color);text-decoration:none;margin:0 1rem;font-weight:500;transition:var(--transition)}nav a:hover{color:var(--primary-color)}.auth-desktop{display:none}.auth-mobile{display:flex;margin-top:1rem;flex-direction:column;gap:.5rem}.auth-mobile p{text-align:center}.auth-container{display:flex;justify-content:center;align-items:center;min-height:80vh;width:100vw}.auth-form{background:#fff;padding:1rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);width:100%;max-width:250px}.auth-form h2{margin-bottom:1rem;color:var(--primary-color);text-align:center}.auth-form input{width:100%;padding:.5rem;margin-bottom:1rem;border:1px solid #ddd;border-radius:var(--border-radius);font-size:.8rem;transition:var(--transition)}.auth-form input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4361ee33}.auth-form button{width:100%;padding:.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-size:.8rem;font-weight:500;cursor:pointer;transition:var(--transition)}.auth-form button:hover{background-color:var(--secondary-color)}.error-message{color:var(--danger-color);margin-bottom:1rem;text-align:center}.current-user{font-size:.7rem}.auth-details{display:flex;align-items:center;justify-content:space-around;gap:2rem;width:100vw;position:relative;right:35px}.chat-container{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100vw;margin-top:4rem;padding-top:5rem;background:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);overflow:hidden;height:75vh}.chat-header{background-color:var(--primary-color);color:#fff;padding:.8rem;display:flex;justify-content:space-between;align-items:center;position:absolute;top:45px}.chatbox-title{font-size:1.2rem;position:relative;right:5px}.chatbox-subtitle{font-size:.7rem;position:relative;left:55px}.chat-messages{flex:1;padding:1rem;overflow-y:auto;background-color:#f8f9fa}.message-form{display:flex;padding:.8rem;background-color:#fff;border-top:1px solid #eee;border-top:1px solid gray;border:2px solid black;width:100vw}.message-form input{flex:1;padding:.5rem;border:1px solid #ddd;border-radius:var(--border-radius);font-size:.8rem;margin-right:.5rem}.message-form input:focus{outline:none;border-color:var(--primary-color)}.message-form button{padding:.5rem 1.25rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-weight:500;cursor:pointer;transition:var(--transition);font-size:.8rem}.message-form button:hover{background-color:var(--secondary-color)}.message{margin-bottom:1rem;padding:.5rem 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fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message{animation:fadeIn .3s ease-out}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#aaa}.menu-icon{display:block;position:absolute;top:1rem;right:1rem;z-index:200}.nav-links{display:none;flex-direction:column;background-color:#fff;position:absolute;top:58px;left:0;width:100%;padding:1rem 2rem;box-shadow:var(--box-shadow);z-index:150}.nav-links.active{display:flex}nav{flex-direction:row;justify-content:space-between;align-items:center;padding-right:4rem}.auth-details{margin-top:1rem}}