:root{--background: #ffffff;--foreground: #1a1a1a;--card: #ffffff;--card-foreground: #1a1a1a;--popover: #ffffff;--popover-foreground: #1a1a1a;--primary: #2b2d42;--primary-foreground: #e0e1dd;--secondary: #d9d9d9;--secondary-foreground: #2b2d42;--muted: #d9d9d9;--muted-foreground: #6c757d;--accent: #d9d9d9;--accent-foreground: #2b2d42;--destructive: #e63946;--destructive-foreground: #e0e1dd;--border: #cbd5e1;--input: #cbd5e1;--ring: #1a1a1a;--radius: 8px;--sidebar-background: #f8f9fa;--sidebar-foreground: #424242;--sidebar-primary: #1c1c1c;--sidebar-primary-foreground: #f8f9fa;--sidebar-accent: #e9ecef;--sidebar-accent-foreground: #1c1c1c;--sidebar-border: #b0b0b0;--sidebar-ring: #3b82f6}.dark{--background: #1a1a1a;--foreground: #e0e1dd;--card: #1a1a1a;--card-foreground: #e0e1dd;--popover: #1a1a1a;--popover-foreground: #e0e1dd;--primary: #e0e1dd;--primary-foreground: #2b2d42;--secondary: #333;--secondary-foreground: #e0e1dd;--muted: #333;--muted-foreground: #aaa;--accent: #333;--accent-foreground: #e0e1dd;--destructive: #c53030;--destructive-foreground: #e0e1dd;--border: #333;--input: #333;--ring: #9ca3af;--sidebar-background: #121212;--sidebar-foreground: #e9ecef;--sidebar-primary: #007bff;--sidebar-primary-foreground: #ffffff;--sidebar-accent: #1f1f1f;--sidebar-accent-foreground: #e9ecef;--sidebar-border: #1f1f1f;--sidebar-ring: #3b82f6}*{border-color:var(--border)}body{background-color:var(--background);color:var(--foreground);font-family:Arial,sans-serif;margin:0;padding:0}.logo{padding:1em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #ffffff;--sidebar-bg: #f9fafb;--border-color: #e5e7eb;--text-primary: #111827;--text-secondary: #4b5563;--text-muted: #6b7280;--system-msg-bg: #f3f4f6;--user-msg-bg: #eff6ff;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}.travel-chatbot{display:flex;height:100vh;width:100%;background-color:var(--bg-color);color:var(--text-primary);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;position:relative}.right-container{height:100vh;width:100%;display:flex;flex-direction:column}.top-bar{display:flex;height:90px;align-items:center;border-bottom:1px solid var(--border-color)}.top-buttons{display:flex;gap:8px}.top-buttons button{margin:20px;height:40px;width:"fit-content";min-width:40px}.sidebar-menu-toggle,.new-chat-button{box-shadow:var(--shadow-sm);border-radius:4px;border:1px solid var(--border-color);cursor:pointer}.sidebar{display:flex;flex-direction:column;width:320px;height:100%;background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);transition:width .3s ease,transform .3s ease;z-index:50}.sidebar.closed{width:0;overflow:hidden}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border-color)}.logo{display:flex;align-items:center;gap:8px;color:var(--primary-color)}.logo h2{font-size:18px;font-weight:600;margin:0}.sidebar-toggle{font-size:20px;padding:4px 8px;background:none;border:none;cursor:pointer;color:var(--text-muted)}.conversation-header{display:flex;align-items:center;justify-content:space-between;padding:16px}.conversation-header h3{font-size:16px;font-weight:600;margin:0}.new-chat{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:4px}.conversation-list{flex:1;padding:0 8px;overflow-y:auto}.conversation-item{display:flex;align-items:center;gap:12px;padding:12px;margin-bottom:4px;border-radius:6px;cursor:pointer;transition:background-color .15s}.conversation-item:hover{background-color:#0000000d}.conversation-item.active{background-color:#2563eb1a;border-left:3px solid var(--primary-color)}.conversation-details{flex:1}.conversation-title{margin:0 0 4px;font-size:14px;color:var(--text-primary)}.conversation-date{margin:0;font-size:12px;color:var(--text-muted)}.sidebar-footer{padding:12px;border-top:1px solid var(--border-color)}.user-info{display:flex;align-items:center;flex-direction:column;gap:12px;padding:8px;border-radius:6px;cursor:pointer;margin-bottom:8px;transition:background-color .15s}.user-info:hover{background-color:#0000000d}.user-details{flex:1}.user-name{margin:0 0 2px;font-size:14px;font-weight:500;color:var(--text-primary)}.user-role{margin:0;font-size:12px;color:var(--text-muted)}.sidebar-actions{display:flex;justify-content:space-between}.main-content{flex:1;display:flex;flex-direction:column;height:100%;overflow:hidden;transition:margin-left .3s ease}.main-content.expanded{margin-left:0}.chat-header{padding:12px 16px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.chat-tabs{display:flex;gap:16px}.header-new-chat-button{display:flex;align-items:center;gap:4px}.tab{background:none;border:none;padding:8px 2px;font-size:14px;color:var(--text-muted);cursor:pointer;position:relative}.tab.active{color:var(--primary-color);font-weight:500}.tab.active:after{content:"";position:absolute;bottom:-12px;left:0;right:0;height:2px;background-color:var(--primary-color)}.chat-container{display:flex;flex-direction:column;flex:1;overflow:hidden}.messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.message{display:flex;gap:16px;max-width:80%}.message.system{align-self:flex-start}.message.user{align-self:flex-end;flex-direction:row-reverse}.avatar-container{width:32px;height:32px;flex-shrink:0}.system-avatar{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background-color:var(--primary-color);color:#fff}.message-content{padding:12px 16px;border-radius:8px;line-height:1.5;font-size:15px}.message-content p{margin:0}.system .message-content{background-color:var(--system-msg-bg);border-bottom-left-radius:2px}.user .message-content{background-color:var(--user-msg-bg);border-bottom-right-radius:2px}.input-area{padding:16px;border-top:1px solid var(--border-color);display:flex;background-color:#f1f1f1}.input-container{display:flex;gap:8px;margin-bottom:8px}.message-input{flex:1;padding:12px 16px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;box-shadow:var(--shadow-sm)}.send-button{padding:8px 16px;background-color:var(--primary-color);color:#fff;border:none;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .15s}.send-button:hover{background-color:var(--primary-hover)}.send-button:disabled{opacity:.5;cursor:not-allowed}.input-footer{font-size:12px;color:var(--text-muted);text-align:center;margin:8px 0 0}.profile-section{flex:1;padding:20px;overflow-y:auto}.profile-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.profile-header h2{font-size:24px;font-weight:600;margin:0}.close-profile{font-size:24px;cursor:pointer;background:none;border:none;color:var(--text-muted)}.profile-info{max-width:800px;margin:0 auto}.profile-basics{display:flex;gap:16px;margin-bottom:24px}.profile-avatar{width:80px;height:80px}.profile-separator{margin:24px 0}.profile-section h4{font-size:18px;font-weight:600;margin:0 0 16px;color:var(--text-primary)}.preferences-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.preference-item{background-color:var(--system-msg-bg);padding:12px 16px;border-radius:6px}.preference-item strong{display:block;margin-bottom:4px;font-size:14px;color:var(--text-secondary)}.preference-item p{margin:0;font-size:15px}.travel-history{display:flex;flex-direction:column;gap:12px}.travel-history-item{display:flex;gap:12px;padding:12px;background-color:var(--system-msg-bg);border-radius:6px}.travel-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background-color:var(--primary-color);color:#fff}.travel-details{flex:1}.travel-destination{margin:0 0 4px;font-size:16px;font-weight:500}.travel-date,.travel-purpose{margin:0;font-size:14px;color:var(--text-secondary)}@media (max-width: 768px){.sidebar{position:absolute;height:100%;z-index:10;box-shadow:var(--shadow-md)}.top-bar{display:block}.sidebar-toggle{display:flex}.message{max-width:95%}}