*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--primary-glow: rgba(99, 102, 241, .18);--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--text: #1e293b;--text-muted: #64748b;--text-light: #94a3b8;--border: #e2e8f0;--bot-bubble: #f1f5f9;--user-bubble: var(--primary);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08);--radius: 16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}#root{height:100vh}.chat-container{display:flex;flex-direction:column;height:100vh;max-width:860px;margin:0 auto;background:var(--surface);box-shadow:var(--shadow-md)}.chat-body{flex:1;overflow-y:auto;scroll-behavior:smooth}.chat-body::-webkit-scrollbar{width:5px}.chat-body::-webkit-scrollbar-track{background:transparent}.chat-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.chat-header{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 2px 12px #4f46e559;flex-shrink:0;position:relative;z-index:10;min-width:0}.header-avatar{width:44px;height:44px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;border:2px solid 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8px}.header-name{font-size:14px}}.header-btn:hover{background:#ffffff40}.whatsapp-btn{background:#25d36640;border-color:#25d36680;text-decoration:none}.whatsapp-btn:hover{background:#25d36666!important}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:48px 24px;text-align:center;gap:8px}.welcome-avatar{width:88px;height:88px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 32px #6366f159;animation:float 4s ease-in-out infinite;margin-bottom:8px}@keyframes 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ease;line-height:1.45;font-family:inherit;box-shadow:var(--shadow-sm)}.suggestion-chip:hover{border-color:var(--primary);color:var(--primary-dark);background:#6366f10a;transform:translateY(-2px);box-shadow:0 6px 20px #6366f126}.messages-list{padding:24px 20px 8px;display:flex;flex-direction:column;gap:18px}.message-wrapper{display:flex;align-items:flex-end;gap:10px;animation:msgIn .25s ease-out both}.message-wrapper.user{flex-direction:row-reverse}@keyframes msgIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.msg-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);box-shadow:0 2px 8px #6366f140}.msg-avatar.user{background:linear-gradient(135deg,#64748b,#475569);box-shadow:0 2px 8px #0000001f}.msg-col{display:flex;flex-direction:column;max-width:72%;gap:4px}.message-wrapper.user .msg-col{align-items:flex-end}.msg-bubble{padding:12px 16px;border-radius:20px;font-size:14.5px;line-height:1.6;word-break:break-word}.msg-bubble.bot{background:var(--bot-bubble);border-bottom-left-radius:4px;color:var(--text)}.msg-bubble.user{background:var(--primary);border-bottom-right-radius:4px;color:#fff}.msg-bubble.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.msg-bubble.streaming .prose:after,.msg-bubble.streaming>p:last-child:after,.msg-bubble.streaming:after{content:"▋";display:inline-block;animation:blink .6s step-end infinite;margin-left:1px;color:var(--primary)}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.msg-meta{display:flex;align-items:center;gap:6px;min-height:18px}.message-wrapper.user .msg-meta{justify-content:flex-end}.msg-time{font-size:11px;color:var(--text-light);padding:0 4px;opacity:0;transition:opacity .2s}.message-wrapper:hover .msg-time{opacity:1}.msg-actions{display:flex;align-items:center;gap:4px;opacity:0;transition:opacity .2s}.message-wrapper:hover .msg-actions{opacity:1}.reactions{display:flex;gap:2px}.reaction-btn{background:none;border:1px solid transparent;border-radius:8px;font-size:13px;cursor:pointer;padding:2px 5px;transition:all .15s;line-height:1}.reaction-btn:hover{background:var(--surface-2);border-color:var(--border)}.reaction-btn.active{background:var(--primary-glow);border-color:var(--primary-light)}.retry-btn{display:flex;align-items:center;gap:4px;background:none;border:1px solid #fecaca;color:#dc2626;border-radius:8px;font-size:11px;font-weight:500;cursor:pointer;padding:3px 8px;transition:all .15s;font-family:inherit}.retry-btn:hover{background:#fef2f2}.prose p{margin-bottom:6px}.prose p:last-child{margin-bottom:0}.prose ul,.prose ol{padding-left:18px;margin-bottom:6px}.prose li{margin-bottom:3px}.prose h1,.prose h2,.prose h3{font-weight:700;margin-bottom:6px;margin-top:10px}.prose h1{font-size:1.1em}.prose h2{font-size:1.05em}.prose h3{font-size:1em}.prose h1:first-child,.prose 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4px;display:flex;gap:5px;align-items:center}.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted);animation:typingBounce 1.3s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.18s}.typing-dot:nth-child(3){animation-delay:.36s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.35}30%{transform:translateY(-7px);opacity:1}}.chat-input-area{padding:12px 16px 16px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.input-wrapper{display:flex;align-items:flex-end;gap:10px;background:var(--surface-2);border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 12px 10px 16px;transition:border-color .2s,box-shadow .2s}.input-wrapper:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.chat-textarea{flex:1;border:none;outline:none;background:transparent;resize:none;font-size:14.5px;font-family:inherit;color:var(--text);line-height:1.55;max-height:130px;min-height:24px}.chat-textarea::-moz-placeholder{color:var(--text-light)}.chat-textarea::placeholder{color:var(--text-light)}.send-btn{width:38px;height:38px;border-radius:12px;background:var(--primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 2px 8px #6366f159}.send-btn:hover:not(:disabled){background:var(--primary-dark);transform:scale(1.06);box-shadow:0 4px 14px #6366f173}.send-btn:disabled{background:var(--border);box-shadow:none;cursor:not-allowed}.input-hint{text-align:center;font-size:11px;color:var(--text-light);margin-top:7px}.loading-screen{display:flex;height:100vh;align-items:center;justify-content:center;background:var(--bg)}.loading-spinner{width:42px;height:42px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-screen{display:flex;height:100vh;align-items:center;justify-content:center;background:var(--bg);padding:24px}.error-card{background:var(--surface);border-radius:20px;padding:40px 36px;text-align:center;max-width:400px;box-shadow:var(--shadow-md)}.error-icon{font-size:42px;margin-bottom:16px}.error-card h2{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text)}.error-card p{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:20px}.error-card button{background:var(--primary);color:#fff;border:none;padding:10px 28px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .2s}.error-card button:hover{background:var(--primary-dark)}