:root{--primary-green: #549b58;--accent-green: #00ba54;--white: #FFFFFF;--light-gray: #F3F2F1;--dark-gray: #323130;--border-color: #E1E1E1;--hover-green: #00ba54;--bot-bubble-bg: #E2F0D9;--shadow: 0 2px 6px rgba(0, 0, 0, .1);--border-radius: 4px;--header-height: 48px;--footer-height: auto}body{font-family:Segoe UI,Segoe UI Variable,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--dark-gray);background-color:var(--white);line-height:1.5;margin:0;padding:0;height:100vh;overflow:hidden}#chatContainer{display:flex;flex-direction:column;height:100vh;width:100%}.history-panel{position:fixed;top:0;left:-300px;width:300px;height:100vh;background-color:var(--white);border-right:1px solid var(--border-color);box-shadow:var(--shadow);transition:left .3s ease;z-index:1000;overflow-y:auto;padding-top:20px}.history-panel.open{left:0}.history-header{display:flex;justify-content:space-between;align-items:center;padding:0 20px 15px;border-bottom:1px solid var(--border-color);margin-bottom:15px}.history-header h3{margin:0;font-size:16px;font-weight:600;color:var(--dark-gray)}.close-btn{background:none;border:none;font-size:16px;color:var(--dark-gray);cursor:pointer}.close-btn:hover{color:var(--primary-green)}#threadPanel{padding:0 10px}.threadsOnDate{text-align:left;margin-bottom:15px}.thread{display:block;width:100%;text-align:left;padding:10px;margin-bottom:5px;border:none;border-radius:var(--border-radius);background-color:var(--white);cursor:pointer;transition:background-color .2s}.thread:hover{background-color:var(--light-gray)}.threadIcon{margin-right:8px;color:var(--primary-green)}.chat-header{padding:8px 12px;background:var(--primary-green);color:var(--white);display:flex;justify-content:space-between;align-items:center;height:var(--header-height);box-shadow:var(--shadow)}.header-left{display:flex;align-items:center}.header-btn{background:none;border:none;color:var(--white);font-size:14px;cursor:pointer;margin-right:15px;display:flex;align-items:center;justify-content:center;padding:4px;border-radius:50%;transition:background-color .2s}.header-btn:hover{background-color:#fff3}.profile-info{text-align:left}.profile-info h4{margin:0;font-size:14px;font-weight:600;line-height:1.2}.status-message{margin:0;font-size:12px;opacity:.9}.header-right{display:flex;align-items:center;position:relative;z-index:100}#main{flex:1;overflow-y:auto;background-color:var(--light-gray);padding:20px 0;display:flex;flex-direction:column;scroll-behavior:smooth}#chatPanel{max-width:900px;width:100%;margin:0 auto;padding:0 20px;display:flex;flex-direction:column;min-height:min-content}.user,.computer{max-width:80%;border-radius:var(--border-radius);padding:12px 16px;margin-bottom:16px;position:relative;box-shadow:var(--shadow)}.user{background-color:var(--white);color:var(--dark-gray);margin-left:auto;border:1px solid var(--border-color)}.computer{background-color:var(--bot-bubble-bg);color:var(--dark-gray);margin-right:auto;border-left:4px solid var(--primary-green)}.message-timestamp{font-size:10px;color:#888;margin-top:6px;text-align:right}.message-rating{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.rating-btn{background:none;border:none;color:#888;cursor:pointer;padding:4px;transition:color .2s}.rating-btn:hover{color:var(--primary-green)}#userInputPanel{background-color:var(--white);padding:16px;border-top:1px solid var(--border-color);height:var(--footer-height);max-width:900px;width:100%;margin:0 auto}.quick-responses{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;margin-bottom:12px;width:100%;justify-content:center}.quick-response-btn{background-color:transparent;color:var(--primary-green);border:1px solid var(--primary-green);border-radius:var(--border-radius);padding:4px 8px;font-size:11px;font-weight:500;cursor:pointer;transition:background-color .2s;text-align:left;width:auto;max-width:250px;min-width:0;white-space:normal;overflow:visible;display:inline-block;line-height:1.2}.quick-response-btn:hover{background-color:var(--light-gray)}.input-container{display:flex;align-items:flex-end;margin-bottom:10px}#userInputContainer{position:relative;width:100%;margin-right:12px}#userInput{width:100%;padding:12px 40px 12px 16px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-family:Segoe UI,sans-serif;font-size:12px;color:var(--dark-gray);box-shadow:0 1px 3px #0000000d;transition:box-shadow .3s,border-color .3s;resize:none;max-height:150px;min-height:24px;overflow-y:hidden;line-height:1.5}#userInput:focus{outline:none;border-color:var(--primary-green);box-shadow:0 0 0 2px #107c1033}#clearInputButton{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:14px;color:#888;cursor:pointer;display:none}.input-counter{position:absolute;right:16px;bottom:-20px;font-size:10px;color:#888}.message-tools{display:flex;gap:8px;position:absolute;left:16px;bottom:-28px}.tool-btn{background:none;border:none;color:#888;cursor:pointer;font-size:14px;transition:color .2s;padding:4px}.tool-btn:hover{color:var(--primary-green)}#sendButton{background-color:var(--primary-green);color:var(--white);border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s;box-shadow:var(--shadow);flex-shrink:0}#sendButton:hover{background-color:var(--hover-green)}.powered-by{display:flex;align-items:center;justify-content:center;font-size:10px;color:#888}.provider-logo{height:16px;margin-left:6px}pre{background-color:var(--light-gray);border-radius:var(--border-radius);padding:16px;overflow-x:auto;border-left:4px solid var(--accent-green);margin:16px 0}code{font-family:Cascadia Code,Menlo,Monaco,Courier New,monospace;font-size:12px}.typing-indicator{display:inline-flex;align-items:center;gap:4px}.typing-indicator span{width:8px;height:8px;background-color:var(--primary-green);border-radius:50%;opacity:.6;display:inline-block;animation:pulse 1.5s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.2);opacity:1}}@media (max-width: 768px){.history-panel{width:260px;left:-260px}.chat-header{padding:12px 15px}.quick-responses{flex-direction:column;overflow-x:visible;padding-bottom:0}.quick-response-btn{width:auto}.user,.computer{max-width:90%}.message-tools{position:static;margin-top:10px;justify-content:flex-start}#userInputPanel{padding:12px}}#toggleThemeButton{display:none}@media (min-width: 769px){#toggleThemeButton{display:none}}.dark-theme{display:none}.dark-theme #userInput,.dark-theme #userInput:focus,.dark-theme #toggleThemeButton,.dark-theme #sendButton,.dark-theme #sendButton:hover,.dark-theme .tool-btn,.dark-theme .input-counter,.dark-theme .powered-by,.dark-theme .quick-response-btn,.dark-theme .quick-response-btn:hover,.dark-theme pre,.dark-theme code,.dark-theme .history-panel,.dark-theme .thread,.dark-theme .thread:hover{display:none}.message-author{font-weight:600;margin:0 0 6px;font-size:12px}.message-content{margin:0;line-height:1.5;word-break:break-word}.code-container{margin:16px 0;border-radius:var(--border-radius);overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;background-color:#333;color:#fff;padding:8px 12px;font-size:10px}.code-copy-btn{background:none;border:none;color:#fff;font-size:10px;cursor:pointer}.code-language{font-weight:500}.thread-date-group{margin-bottom:20px}.thread-date-heading{font-size:12px;color:var(--primary-green);margin:0 0 8px;padding:0 10px;font-weight:600}.thread-time{font-size:9px;color:#888;display:block;margin-top:2px;margin-left:24px}.empty-thread-state{text-align:center;color:#888;padding:20px 0}.empty-thread-state p{margin:0;font-style:italic}.profile-info h4{margin-bottom:0}.status-message{font-size:11px}