.chat-button{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 10px 40px #667eea66,0 0 #667eea80;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:9998;animation:pulse-subtle 3s ease-in-out infinite}.chat-button:hover{transform:scale(1.1) translateY(-2px);box-shadow:0 15px 50px #667eea80,0 0 #667eea00}@keyframes pulse-subtle{0%,to{box-shadow:0 10px 40px #667eea66,0 0 #667eea80}50%{box-shadow:0 10px 40px #667eea66,0 0 0 10px #667eea00}}.chat-button svg{width:28px;height:28px;color:#fff}.chat-window{position:fixed;bottom:6rem;right:2rem;width:400px;max-width:calc(100vw - 2rem);height:600px;max-height:calc(100vh - 10rem);display:flex;flex-direction:column;background:#fffffff2;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(255,255,255,.3);border-radius:20px;box-shadow:0 20px 60px #00000026,0 0 0 1px #ffffff1a;z-index:9999;animation:slideInUp .3s cubic-bezier(.4,0,.2,1)}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-header{padding:1.25rem 1.5rem;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px 20px 0 0;display:flex;align-items:center;justify-content:space-between}.chat-header-title{display:flex;align-items:center;gap:.75rem;color:#fff}.chat-header-icon{width:32px;height:32px;background:#fff3;border-radius:8px;display:flex;align-items:center;justify-content:center}.chat-header-icon svg{width:20px;height:20px}.chat-header-text h3{font-size:1rem;font-weight:600;margin:0}.chat-header-text p{font-size:.75rem;opacity:.9;margin:0}.chat-close{background:#fff3;border:none;border-radius:8px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.chat-close:hover{background:#ffffff4d;transform:scale(1.05)}.chat-close svg{width:18px;height:18px;color:#fff}.chat-messages{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#667eea4d;border-radius:10px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#667eea80}.chat-message{display:flex;gap:.75rem;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{flex-direction:row-reverse}.chat-message-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px}.chat-message.user .chat-message-avatar{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.chat-message.assistant .chat-message-avatar{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff}.chat-message-content{max-width:75%;padding:.875rem 1.125rem;border-radius:16px;font-size:.9rem;line-height:1.5;word-wrap:break-word}.chat-message.user .chat-message-content{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:16px 16px 4px}.chat-message.assistant .chat-message-content{background:#0000000d;color:#333;border-radius:16px 16px 16px 4px}.chat-message.assistant .chat-message-content code{background:#00000014;padding:.125rem .375rem;border-radius:4px;font-size:.85rem}.chat-message.assistant .chat-message-content pre{background:#00000014;padding:.75rem;border-radius:8px;overflow-x:auto;margin:.5rem 0}.chat-message.assistant .chat-message-content ul,.chat-message.assistant .chat-message-content ol{margin:.5rem 0;padding-left:1.25rem}.chat-message.assistant .chat-message-content h3,.chat-message.assistant .chat-message-content h4{margin-top:.75rem;margin-bottom:.5rem}.chat-loading{display:flex;gap:.75rem}.chat-loading-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#f093fb,#f5576c);flex-shrink:0}.chat-loading-dots{background:#0000000d;padding:.875rem 1.125rem;border-radius:16px 16px 16px 4px;display:flex;gap:.375rem}.chat-loading-dot{width:8px;height:8px;border-radius:50%;background:#667eea99;animation:bounce 1.4s ease-in-out infinite}.chat-loading-dot:nth-child(1){animation-delay:-.32s}.chat-loading-dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-input{padding:1rem 1.5rem;border-top:1px solid rgba(0,0,0,.08);background:#fffc;border-radius:0 0 20px 20px}.chat-input-wrapper{display:flex;gap:.75rem;align-items:flex-end}.chat-input-field{flex:1;min-height:44px;max-height:120px;padding:.75rem 1rem;border:2px solid rgba(102,126,234,.2);border-radius:12px;font-size:.9rem;font-family:inherit;resize:none;transition:all .2s;background:#fff}.chat-input-field:focus{outline:none;border-color:#667eea80;box-shadow:0 0 0 3px #667eea1a}.chat-input-button{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.chat-input-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #667eea66}.chat-input-button:disabled{opacity:.5;cursor:not-allowed}.chat-input-button svg{width:20px;height:20px;color:#fff}.chat-error{margin:1rem 1.5rem;padding:.75rem 1rem;background:#ef44441a;border-left:4px solid #ef4444;border-radius:8px;color:#991b1b;font-size:.875rem;display:flex;justify-content:space-between;align-items:center}.chat-error-close{background:none;border:none;cursor:pointer;color:#991b1b;opacity:.7}.chat-error-close:hover{opacity:1}.suggested-question{width:100%;display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(102,126,234,.2);border-radius:12px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-align:left;font-size:.875rem;color:#374151;box-shadow:0 2px 4px #0000000d}.suggested-question:hover{transform:translateY(-2px);background:#fff;border-color:#667eea66;box-shadow:0 4px 12px #667eea26}.suggested-question:active{transform:translateY(0)}.suggested-question span:first-child{font-size:1.25rem;flex-shrink:0}.suggested-question span:last-child{flex:1;line-height:1.4}@media (max-width: 640px){.chat-window{right:1rem;bottom:5rem;width:calc(100vw - 2rem);height:calc(100vh - 8rem)}.chat-button{right:1rem;bottom:1rem}}