body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{width:100%;height:100vh}.message{gap:10px;margin-bottom:15px;animation:.3s ease-out slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-content{align-items:flex-start;gap:10px;display:flex}.message.user{flex-direction:row-reverse}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex}.message.bot .message-avatar{background:#075e54}.message.user .message-avatar{background:#128c7e}.message-bubble{word-wrap:break-word;border-radius:8px;max-width:70%;padding:10px 15px;box-shadow:0 1px 2px #0000001a}.message.bot .message-bubble{color:#333;background:#fff}.message.user .message-bubble{color:#333;background:#dcf8c6}.message-text{white-space:pre-wrap;word-wrap:break-word;margin:0;line-height:1.4}.message-time{color:#666;margin-top:5px;font-size:11px;display:block}@media (width<=768px){.message-bubble{max-width:80%}.message-avatar{width:32px;height:32px;font-size:16px}}:root{--primary-color:#128c7e;--secondary-color:#075e54;--user-message-bg:#dcf8c6;--bot-message-bg:#fff;--background:#ece5dd;--header-bg:#075e54;--input-bg:#f0f0f0;--border-color:#ddd;--text-color:#333;--text-secondary:#666}.chat-container{background:var(--background);flex-direction:column;max-width:900px;height:100vh;margin:0 auto;display:flex;box-shadow:0 10px 40px #0000004d}.chat-header{background:var(--header-bg);justify-content:space-between;align-items:center;padding:15px 20px;display:flex;box-shadow:0 2px 5px #0000001a}.header-content{align-items:center;gap:12px;display:flex}.header-content:before{content:"🏠";background:#fff;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:24px;display:flex}.header-content h1{color:#fff;margin:0;font-size:18px}.header-content p{color:#b3e5db;margin:5px 0 0;font-size:12px}.logout-btn{color:#fff;cursor:pointer;background:#fff3;border:1px solid #ffffff4d;border-radius:20px;padding:8px 16px;font-size:.85em;transition:background .3s}.logout-btn:hover{background:#ffffff4d}.chat-messages{background-image:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"100\" height=\"100\"><rect fill=\"%23ECE5DD\" width=\"100\" height=\"100\"/></svg>");flex-direction:column;flex:1;padding:20px;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:#0000000d}.chat-messages::-webkit-scrollbar-thumb{background:#0003;border-radius:4px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#0000004d}.typing-indicator{background:#fff;border-radius:8px;gap:4px;width:fit-content;margin-bottom:15px;margin-left:50px;padding:15px;display:flex;box-shadow:0 1px 2px #0000001a}.typing-dot{background:var(--text-secondary);border-radius:50%;width:8px;height:8px;animation:1.4s infinite typing}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.7;transform:translateY(0)}30%{opacity:1;transform:translateY(-10px)}}.chat-input-form{background:var(--input-bg);border-top:1px solid var(--border-color);gap:10px;padding:15px 20px;display:flex}.chat-input{border:1px solid var(--border-color);background:#fff;border-radius:25px;flex:1;padding:12px 15px;font-size:14px;transition:border-color .3s}.chat-input:focus{border-color:var(--primary-color);outline:none}.chat-input:disabled{cursor:not-allowed;background:#f5f5f5}.send-btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:25px;justify-content:center;align-items:center;width:auto;min-width:50px;height:45px;padding:0 25px;font-size:1em;font-weight:600;transition:background .3s,transform .1s;display:flex}.send-btn:hover:not(:disabled){background:var(--secondary-color)}.send-btn:active:not(:disabled){transform:scale(.95)}.send-btn:disabled{opacity:.5;cursor:not-allowed;background:#ccc}@media (width<=768px){.chat-container{border-radius:0;max-width:100%;height:100vh}.header-content h1{font-size:1.2em}.header-content p{font-size:.8em}.logout-btn{padding:6px 12px;font-size:.8em}.chat-messages{padding:15px}.chat-input-form{padding:12px 15px}.send-btn{padding:0 20px}}.api-key-container{background:0 0;justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.api-key-card{background:#fff;border-radius:20px;width:100%;max-width:500px;padding:40px;box-shadow:0 20px 60px #0000004d}.api-key-card h1{color:#333;text-align:center;margin:0 0 10px;font-size:2em}.subtitle{text-align:center;color:#666;margin-bottom:30px;font-size:.95em}.input-group{margin-bottom:20px}.input-group label{color:#333;margin-bottom:8px;font-weight:500;display:block}.input-group input{box-sizing:border-box;border:2px solid #e0e0e0;border-radius:8px;width:100%;padding:12px 16px;font-size:1em;transition:all .3s}.input-group input:focus{border-color:#128c7e;outline:none;box-shadow:0 0 0 3px #128c7e1a}.btn-primary{color:#fff;cursor:pointer;background:#128c7e;border:none;border-radius:8px;width:100%;padding:14px;font-size:1em;font-weight:600;transition:transform .2s,background .3s}.btn-primary:hover{background:#075e54;transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.help-section{border-top:1px solid #e0e0e0;margin-top:30px;padding-top:20px}.help-toggle{color:#128c7e;cursor:pointer;text-align:left;background:0 0;border:none;width:100%;padding:0;font-size:.95em}.help-toggle:hover{text-decoration:underline}.help-content{background:#f5f5f5;border-radius:8px;margin-top:15px;padding:15px;font-size:.9em}.help-content ol{margin:10px 0;padding-left:20px}.help-content li{color:#555;margin:8px 0}.help-content a{color:#128c7e;font-weight:500;text-decoration:none}.help-content a:hover{text-decoration:underline}.note{color:#1565c0;background:#e3f2fd;border-left:3px solid #2196f3;border-radius:4px;margin-top:15px;padding:10px;font-size:.85em}.security-note{text-align:center;color:#666;margin-top:20px;font-size:.85em}@media (width<=600px){.api-key-card{padding:30px 20px}.api-key-card h1{font-size:1.5em}}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#128c7e 0%,#075e54 100%);justify-content:center;align-items:center;height:100vh;padding:20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;display:flex}.app{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.loading-screen{color:#fff;background:linear-gradient(135deg,#128c7e 0%,#075e54 100%);flex-direction:column;justify-content:center;align-items:center;height:100vh;display:flex}.spinner{border:4px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:50px;height:50px;margin-bottom:20px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p{font-size:1.2em;font-weight:500}