.chat-assistant{position:relative;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.chat-toggle-btn{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background:#4d6e9b;border:none;color:#fff;cursor:pointer;box-shadow:0 4px 20px #00000026;transition:all .3s ease;display:flex;align-items:center;justify-content:center;z-index:1000}.chat-toggle-btn:hover{transform:scale(1.1);box-shadow:0 6px 25px #0003}.chat-toggle-btn:active{transform:scale(.95)}.chat-window{position:fixed;bottom:20px;right:20px;width:400px;height:600px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #00000026;display:flex;flex-direction:column;z-index:1001;overflow:hidden;border:1px solid #e1e5e9}.chat-header{background:#4e6e9c;color:#fff;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.chat-title{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}.chat-icon{font-size:18px}.chat-actions{display:flex;gap:8px}.clear-btn,.close-btn{background:#fff3;border:none;color:#fff;width:32px;height:32px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background-color .2s ease}.clear-btn:hover,.close-btn:hover{background:#ffffff4d}.messages-container{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;max-height:400px;min-height:150px}.message{max-width:85%;padding:12px 16px;border-radius:18px;position:relative;animation:messageAppear .3s ease-out}@keyframes messageAppear{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;background:linear-gradient(135deg,#4e6e9c,#fc4e7a);color:#fff;border-bottom-right-radius:6px}.message.bot{align-self:flex-start;background:#fff;color:#333;border:1px solid #e1e5e9;border-bottom-left-radius:6px}.message.loading{background:#fff;border:1px solid #e1e5e9}.message-content{line-height:1.4;white-space:pre-line;word-wrap:break-word}.message-time{font-size:11px;opacity:.7;margin-top:4px;text-align:right}.message.bot .message-time{text-align:left}.typing-indicator{display:flex;gap:4px;align-items:center;padding:8px 0}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:#667eea;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.suggestions{padding:12px 20px;border-top:1px solid #e1e5e9;background:#fff;flex-shrink:0;max-height:120px;overflow-y:auto}.suggestions-title{font-size:12px;color:#666;margin-bottom:8px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.suggestions-list{display:flex;flex-direction:column;gap:6px}.suggestion-btn{background:#f8f9fa;border:1px solid #e1e5e9;border-radius:6px;padding:8px 10px;font-size:12px;color:#555;text-align:left;cursor:pointer;transition:all .2s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-height:36px}.suggestion-btn:hover{background:#4e6e9c;color:#fff;border-color:#4e6e9c}.input-area{padding:16px 20px;border-top:1px solid #e1e5e9;background:#fff;flex-shrink:0}.input-container{display:flex;gap:8px;align-items:center}.chat-input{flex:1;padding:12px 16px;border:1px solid #e1e5e9;border-radius:24px;outline:none;font-size:14px;transition:border-color .2s ease;background:#f8f9fa}.chat-input:focus{border-color:#667eea;background:#fff}.chat-input:disabled{opacity:.6;cursor:not-allowed}.send-btn{width:44px;height:44px;border-radius:50%;background:#fc4e7a;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s ease;flex-shrink:0}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #667eea4d}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.messages-container::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.messages-container::-webkit-scrollbar-thumb:hover{background:#a1a1a1}@media (max-width: 480px){.chat-window{width:calc(100vw - 40px);height:70vh;bottom:10px;right:10px;left:10px}.chat-toggle-btn{bottom:10px;right:10px}}.chat-window{animation:slideInUp .3s ease-out}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-input:focus,.send-btn:focus,.suggestion-btn:focus{outline:2px solid #667eea;outline-offset:2px}.message.bot .message-content{color:#2d3748;font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace;font-size:13px;line-height:1.5}.message.bot .message-content div{margin-bottom:2px}.message.bot .message-content div:last-child{margin-bottom:0}