*{margin:0;padding:0;box-sizing:border-box}:root{--purple: #4E2A84;--purple-light: #7B5EA7;--purple-bg: #f3eff8;--purple-bubble: #ede7f5;--text: #342F2E;--text-light: #6b6360;--white: #ffffff;--gray-100: #f5f5f5;--gray-200: #e8e8e8;--gray-300: #d4d4d4;--radius: 16px;--radius-sm: 10px}html,body,#root{height:100%;height:100dvh;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;color:var(--text);background:var(--purple-bg);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%;max-width:800px;margin:0 auto;background:var(--white);box-shadow:0 0 40px #4e2a8414}.header{background:var(--purple);color:var(--white);padding:16px 20px;flex-shrink:0;position:relative;z-index:10}.header h1{font-size:18px;font-weight:600;margin-bottom:2px}.header p{font-size:13px;opacity:.8}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:20px;text-align:center}.welcome-icon{font-size:48px;margin-bottom:16px}.welcome h2{font-size:20px;color:var(--purple);margin-bottom:8px}.welcome p{font-size:14px;color:var(--text-light);margin-bottom:24px;max-width:400px}.captcha-container{display:flex;justify-content:center;margin-bottom:16px}.suggestions{display:flex;flex-direction:column;gap:8px;width:100%;max-width:400px}.suggestion-btn{background:var(--purple-bg);border:1px solid var(--purple-bubble);border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;color:var(--purple);cursor:pointer;text-align:left;transition:background .15s,border-color .15s}.suggestion-btn:hover{background:var(--purple-bubble);border-color:var(--purple-light)}.message{display:flex;flex-direction:column;max-width:85%;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end}.message.assistant{align-self:flex-start}.message-bubble{padding:12px 16px;border-radius:var(--radius);font-size:15px;line-height:1.5;word-wrap:break-word}.message.user .message-bubble{background:var(--purple);color:var(--white);border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--gray-100);color:var(--text);border-bottom-left-radius:4px}.message.assistant .message-bubble p{margin-bottom:8px}.message.assistant .message-bubble p:last-child{margin-bottom:0}.message.assistant .message-bubble ul,.message.assistant .message-bubble ol{margin:8px 0;padding-left:20px}.message.assistant .message-bubble li{margin-bottom:4px}.message.assistant .message-bubble 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#fecaca}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}@media (max-width: 800px){.app{max-width:100%;box-shadow:none}}@supports (padding-bottom: env(safe-area-inset-bottom)){.input-area{padding-bottom:calc(16px + env(safe-area-inset-bottom))}}.embed-mode{border-radius:16px;overflow:hidden;box-shadow:0 8px 40px #00000026}.embed-mode .header{position:relative;padding:12px 44px 12px 16px}.embed-mode .header h1{font-size:16px}.embed-mode .header p{font-size:12px}.close-embed{position:absolute;top:8px;right:8px;background:none;border:none;color:#fffc;font-size:18px;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .15s}.close-embed:hover{background:#ffffff26;color:#fff}.embed-mode .welcome-icon{font-size:36px;margin-bottom:10px}.embed-mode .welcome h2{font-size:17px}.embed-mode 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