:root{--prg-chat-primary:#3b82f6;--prg-chat-primary-hover:#2563eb;--prg-chat-primary-light:#dbeafe;--prg-chat-secondary:#6b7280;--prg-chat-success:#10b981;--prg-chat-white:#ffffff;--prg-chat-gray-50:#f9fafb;--prg-chat-gray-100:#f3f4f6;--prg-chat-gray-200:#e5e7eb;--prg-chat-gray-300:#d1d5db;--prg-chat-gray-400:#9ca3af;--prg-chat-gray-500:#6b7280;--prg-chat-gray-600:#4b5563;--prg-chat-gray-700:#374151;--prg-chat-gray-800:#1f2937;--prg-chat-border-radius:18px;--prg-chat-border-radius-sm:12px;--prg-chat-shadow:0 20px 45px rgba(15, 23, 42, 0.2);--prg-chat-transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);--prg-chat-transition-fast:all 0.2s ease;--prg-chat-z-index:9990}.prg-chat-widget{position:fixed;bottom:24px;right:24px;z-index:var(--prg-chat-z-index);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe 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var(--prg-chat-white)}.prg-chat-window{position:absolute;right:0;bottom:80px;width:370px;max-height:560px;background:var(--prg-chat-white);border-radius:var(--prg-chat-border-radius);box-shadow:var(--prg-chat-shadow);border:1px solid var(--prg-chat-gray-200);display:flex;flex-direction:column;overflow:hidden;z-index:var(--prg-chat-z-index);transform:translateY(20px) scale(.95);opacity:0;visibility:hidden;pointer-events:none;transition:var(--prg-chat-transition);background-clip:padding-box}.prg-chat-window.prg-chat-window-open{transform:translateY(0) scale(1);opacity:1;visibility:visible;pointer-events:auto}.prg-chat-bottom-left .prg-chat-window{right:auto;left:0}.prg-chat-top-right .prg-chat-window,.prg-chat-top-left .prg-chat-window{top:80px;bottom:auto}.prg-chat-header{background:var(--prg-chat-primary);color:var(--prg-chat-white);padding:16px 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#fff0}}.prg-chat-minimize{background:none;border:none;color:var(--prg-chat-white);cursor:pointer;padding:8px;border-radius:6px;opacity:.8;transition:var(--prg-chat-transition-fast);display:flex;align-items:center;justify-content:center}.prg-chat-minimize:hover{opacity:1;background:rgb(255 255 255 / .1)}.prg-chat-messages{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.prg-chat-messages::-webkit-scrollbar{width:6px}.prg-chat-messages::-webkit-scrollbar-track{background:var(--prg-chat-gray-100);border-radius:3px}.prg-chat-messages::-webkit-scrollbar-thumb{background:var(--prg-chat-gray-300);border-radius:3px;transition:var(--prg-chat-transition-fast)}.prg-chat-messages::-webkit-scrollbar-thumb:hover{background:var(--prg-chat-gray-400)}.prg-chat-message{display:flex;gap:10px;align-items:flex-start;animation:prg-chat-message-in 0.3s ease-out}@keyframes 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em{font-style:italic}.prg-chat-message-time{font-size:11px;color:var(--prg-chat-secondary);margin-top:4px;padding:0 6px}.prg-chat-message-user .prg-chat-message-time{text-align:right}.prg-chat-typing{display:flex;gap:4px;align-items:center;padding:4px 0}.prg-chat-dot{width:8px;height:8px;border-radius:50%;background:var(--prg-chat-secondary);animation:prg-chat-typing-pulse 1.4s infinite both}.prg-chat-dot:nth-child(2){animation-delay:0.2s}.prg-chat-dot:nth-child(3){animation-delay:0.4s}@keyframes prg-chat-typing-pulse{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.prg-chat-message-system{justify-content:center;margin:12px 0}.prg-chat-message-system .prg-chat-message-content{max-width:90%}.prg-chat-system-text{background:#fef3c7;color:#92400e;border:1px solid #fbbf24;text-align:center;font-size:13px;border-radius:12px;padding:8px 12px}.prg-chat-recommendation{background:var(--prg-chat-gray-50);border:1px solid var(--prg-chat-gray-200);border-radius:var(--prg-chat-border-radius-sm);padding:12px;margin:8px 0;transition:var(--prg-chat-transition-fast);box-shadow:0 1px 3px rgb(0 0 0 / .05);display:flex;flex-direction:column;gap:8px}.prg-chat-recommendation:hover{border-color:var(--prg-chat-primary);box-shadow:0 2px 8px rgb(59 130 246 / .1);transform:translateY(-1px)}.prg-chat-rec-image{width:100%;height:120px;border-radius:6px;overflow:hidden;background:var(--prg-chat-gray-100);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.prg-chat-rec-image img{width:100%;height:100%;object-fit:cover;border-radius:6px}.prg-chat-rec-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px;gap:8px}.prg-chat-rec-header 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var(--prg-chat-primary-light);outline-offset:2px;border-radius:2px}.prg-chat-link{color:var(--prg-chat-primary);text-decoration:underline;transition:var(--prg-chat-transition-fast)}.prg-chat-link:hover{color:var(--prg-chat-primary-hover);text-decoration:none}.prg-chat-ranking-link{color:var(--prg-chat-primary);text-decoration:none;font-size:.9em;padding:2px 4px;border-radius:3px;background:var(--prg-chat-gray-100);transition:var(--prg-chat-transition-fast);font-weight:600}.prg-chat-ranking-link:hover{color:var(--prg-chat-primary);background:var(--prg-chat-primary-light);text-decoration:none}.prg-chat-input-container{border-top:1px solid var(--prg-chat-gray-200);padding:16px 20px;background:var(--prg-chat-white);flex-shrink:0}.prg-chat-input-wrapper{display:flex;gap:10px;align-items:flex-end}.prg-chat-input{flex:1;border:1px solid var(--prg-chat-gray-300);border-radius:24px;padding:12px 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scale(1);pointer-events:auto}.prg-proactive-content{background:var(--prg-chat-white);border-radius:var(--prg-chat-border-radius);box-shadow:var(--prg-chat-shadow);padding:16px;border:1px solid var(--prg-chat-gray-200);position:relative}.prg-proactive-content::before{content:'';position:absolute;bottom:-8px;right:32px;width:0;height:0;border-left:8px solid #fff0;border-right:8px solid #fff0;border-top:8px solid var(--prg-chat-white)}.prg-proactive-content::after{content:'';position:absolute;bottom:-9px;right:32px;width:0;height:0;border-left:8px solid #fff0;border-right:8px solid #fff0;border-top:8px solid var(--prg-chat-gray-200);z-index:-1}.prg-proactive-message{font-size:14px;line-height:1.5;color:var(--prg-chat-gray-700);margin-bottom:12px;font-weight:400}.prg-proactive-actions{display:flex;gap:8px;justify-content:flex-end}.prg-proactive-actions button{padding:6px 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(max-width:480px){.prg-proactive-greeting{left:16px;right:16px;bottom:80px;max-width:none}.prg-proactive-content::before,.prg-proactive-content::after{left:50%;right:auto;transform:translateX(-50%)}.prg-proactive-message{font-size:13px}.prg-proactive-actions{flex-direction:column}.prg-proactive-actions button{width:100%;padding:8px 12px}}@keyframes proactiveSlideIn{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.prg-proactive-greeting.prg-proactive-show{animation:proactiveSlideIn 0.4s cubic-bezier(.4,0,.2,1) forwards}