:root{--color-light: #ffffff;--color-dark: #242424;--text-color-light: rgba(255, 255, 255, .87);--text-color-dark: #213547}body{margin:0;display:flex;align-items:center;justify-content:center;min-width:320px;min-height:100vh;font-family:Inter Variable,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;font-weight:400;color:var(--text-color-light);background-color:var(--color-dark);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-synthesis:none}a{font-weight:500;color:#646cff;text-decoration:none}a:hover{color:#535bf2}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}.auth-input-field{width:100%;padding:.75rem 1rem;border-radius:.5rem;border:1px solid #e5e7eb;background-color:#fff;outline:none;box-shadow:0 1px 2px #0000000d;transition:border-color .2s,box-shadow .2s}.auth-input-field:focus{border-color:#3b82f6;box-shadow:0 0 0 1px #3b82f6}.auth-button{width:100%;padding:.75rem 1rem;border-radius:.5rem;background-color:#3b82f6;color:#fff;font-weight:600;border:none;cursor:pointer;transition:background-color .2s,box-shadow .2s}.auth-button:hover{background-color:#2563eb}.auth-button:disabled{opacity:.5;cursor:not-allowed}@media(prefers-color-scheme:light){:root{--color-dark: #ffffff;--text-color-light: #213547}body{background-color:var(--color-dark);color:var(--text-color-light)}a:hover{color:#747bff}button{background-color:#f9f9f9}}.chat-container{display:flex;flex-direction:column;gap:10px;padding:10px;height:100vh;box-sizing:border-box;font-family:Arial,sans-serif;background-color:#f0f2f5;color:#000}.chat-left{display:flex;flex-direction:column;flex:3;gap:10px;min-height:0}.chat-messages{flex:1;border:1px solid #ccc;padding:10px;overflow-y:auto;background-color:#fff;border-radius:10px;box-shadow:0 2px 4px #0000001a}.user-msg{background-color:#d0f0fd;color:#000;padding:6px 12px;border-radius:12px;margin-bottom:6px;max-width:80%;word-wrap:break-word}.system-msg{font-style:italic;color:#555;margin-bottom:6px;text-align:center;font-size:.9rem}.chat-form{display:flex;gap:5px}.chat-form input{flex:1;padding:10px;border:1px solid #ccc;border-radius:20px;outline:none;font-size:1rem;color:#000}.chat-form input::placeholder{color:#aaa}.chat-form button{padding:10px 20px;background-color:#007bff;color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:1rem;transition:background-color .2s ease}.chat-form button:hover{background-color:#0056b3}.chat-users{border:1px solid #ccc;padding:10px;background-color:#f1f1f1;border-radius:10px;min-width:150px;max-height:80vh;overflow-y:auto;color:#000}.chat-users h4{margin-top:0;margin-bottom:10px;font-size:1.1rem}.chat-users ul{list-style:none;padding-left:0}.chat-users li{margin-bottom:5px;padding:5px;background-color:#e3e3e3;border-radius:8px;font-size:.95rem}.typing{font-style:italic;color:#555;margin-top:5px}@media screen and (min-width:768px){.chat-container{flex-direction:row}.chat-left{flex:3;gap:10px}.chat-users{flex:1;margin-left:10px;max-height:none}.chat-form{flex-direction:row}}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-thumb{background-color:#0003;border-radius:3px}.chat-users::-webkit-scrollbar{width:6px}.chat-users::-webkit-scrollbar-thumb{background-color:#0003;border-radius:3px}