body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--border-color:#e0e0e0;--background-light:#f9f9f9;--selected-bg:#4a90e2;--message-in-bg:#e0f7fa;--message-out-bg:#fff3e0;--button-bg:#4caf50;--button-hover-bg:#45a049;--user-current-bg:#c9e0ff}#root,body,html{height:100%}body{background-color:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;height:100vh;margin:0}.app-root,body{display:flex;flex-direction:column}.app-root{flex:1 1;height:100%;min-height:0}.header{align-items:center;background:#fff;border-bottom:1px solid #e0e0e0;border-bottom:1px solid var(--border-color);box-shadow:0 1px 3px #0000000d;display:flex;justify-content:space-between;padding:10px 20px}.header-info{flex-grow:1}.header h1{font-size:1.5em;margin:0}.header code,.header p{color:#555;font-size:.8em}.public-key{background:#1a73e814;border-radius:4px;color:#1a73e8;padding:2px 6px}#switchUserButton{background-color:#3f51b5;border:none;border-radius:5px;color:#fff;cursor:pointer;padding:8px 15px;transition:background-color .2s}#switchUserButton:hover{background-color:#303f9f}#user-dialog{align-items:center;background-color:#00000080;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1000}.dialog-content{background:#fff;border-radius:8px;box-shadow:0 4px 10px #0003;padding:20px;width:350px}.dialog-content h3{border-bottom:1px solid #e0e0e0;border-bottom:1px solid var(--border-color);margin-top:0;padding-bottom:10px}.user-option{border:1px solid #e0e0e0;border:1px solid var(--border-color);border-radius:5px;cursor:pointer;margin-bottom:5px;padding:10px;transition:background-color .2s}.user-option:hover{background-color:#f9f9f9;background-color:var(--background-light)}.user-option.current-user{background-color:#c9e0ff;background-color:var(--user-current-bg);border-color:#4a90e2;border-color:var(--selected-bg);font-weight:700}.close-button{cursor:pointer;float:right;font-size:1.5em;font-weight:700}.chat-container{display:flex;flex:1 1;min-height:0;overflow:hidden}#chat-list-panel{background-color:#fff;border-right:1px solid #e0e0e0;border-right:1px solid var(--border-color);display:flex;flex-direction:column;width:300px}#chat-list-panel h2{border-bottom:1px solid #e0e0e0;border-bottom:1px solid var(--border-color);font-size:1.1em;margin:0;padding:15px}#chat-list{flex-grow:1;overflow-y:auto}.chat-item{border-bottom:1px solid #e0e0e0;border-bottom:1px solid var(--border-color);cursor:pointer;padding:15px;transition:background-color .2s}.chat-item:hover{background-color:#f9f9f9;background-color:var(--background-light)}.chat-item.selected-chat{background-color:#4a90e2;background-color:var(--selected-bg);color:#fff}#chat-view-panel{background:#f0f2f5;display:flex;flex:1 1;flex-direction:column;min-height:0}#no-chat-selected{align-items:center;color:#777;display:flex;font-size:1.2em;height:100%;justify-content:center}.chat-content{overflow:auto;padding:20px}#log,.chat-content{display:flex;flex:1 1;flex-direction:column;min-height:0}#log{background-color:#fff;border:1px solid #e0e0e0;border:1px solid var(--border-color);border-radius:8px;margin-bottom:15px;overflow-y:auto;padding:10px}#message-form{display:flex;gap:10px}#messageInput{border:1px solid #ccc;border-radius:20px;flex-grow:1;padding:10px}#message-form button{background-color:#4caf50;background-color:var(--button-bg);border:none;border-radius:20px;color:#fff;cursor:pointer;padding:10px 20px}#message-form button:hover{background-color:#45a049;background-color:var(--button-hover-bg)}.message-in,.message-out,.system-msg{border-radius:18px;display:block;line-height:1.4;margin-bottom:8px;padding:8px 12px}.message-in{align-self:flex-start;background-color:#e0f7fa;background-color:var(--message-in-bg);max-width:70%}.message-out{align-self:flex-end;background-color:#fff3e0;background-color:var(--message-out-bg);max-width:70%}.system-msg{align-self:center;background:#0000;border-radius:0;color:gray;font-size:.9em;font-style:italic;margin:10px 0;padding:0;text-align:center;width:100%}.auth-msg{color:#ff8c00;font-weight:700}.error-msg{color:darkred;font-weight:700}.toast{background:#000000d9;border-radius:10px;bottom:20px;box-shadow:0 6px 20px #0003;color:#fff;font-size:.95em;left:50%;padding:12px 16px;position:fixed;transform:translateX(-50%);z-index:2000}
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