:root{--bg: #f0f4f8;--surface: #ffffff;--surface-2: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-2: #334155;--text-3: #64748b;--brand: #1e345e;--brand-light: rgba(30,52,94,.08);--accent: #00b380;--accent-light: rgba(0,179,128,.1);--red: #dc2626;--red-light: rgba(220,38,38,.1);--shadow-xs: 0 1px 2px rgba(15,23,42,.06);--shadow-sm: 0 1px 3px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.05);--shadow-md: 0 4px 6px rgba(15,23,42,.04), 0 10px 24px rgba(15,23,42,.08);--radius: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100dvh;max-width:820px;margin:0 auto}.topbar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:#ffffffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-xs);z-index:10}.brand{display:flex;align-items:center;gap:12px}.logo{width:40px;height:40px;border-radius:12px;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 2px 8px #1e345e4d;flex-shrink:0}.brand-text{display:flex;flex-direction:column;line-height:1.25}.brand-title{font-weight:600;font-size:15px;color:var(--text)}.brand-sub{font-size:11px;color:var(--text-3)}.online-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px #00b38040;margin-left:2px;flex-shrink:0}.topbar-actions{display:flex;gap:8px}.pill{display:flex;align-items:center;gap:5px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:12px;font-weight:500;color:var(--text-2);cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s}.pill:hover{background:var(--bg);border-color:var(--brand);color:var(--brand)}.pill.active{background:var(--brand-light);border-color:var(--brand);color:var(--brand)}.messages{flex:1;overflow-y:auto;padding:24px 16px 200px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.msg-row{display:flex;align-items:flex-end;gap:10px}.msg-row.right{flex-direction:row-reverse}.avatar{width:30px;height:30px;border-radius:10px;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;box-shadow:var(--shadow-xs)}.bubble{max-width:78%;padding:12px 16px;font-size:15px;line-height:1.6;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow-sm)}.bubble.user{background:var(--brand);color:#fff;border-radius:var(--radius) var(--radius) 4px var(--radius)}.bubble.bot{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius) var(--radius) var(--radius) 4px}.bubble.typing{display:flex;align-items:center;gap:6px;padding:14px 16px;min-width:80px}.typing-dots{display:flex;gap:4px;align-items:center;flex-shrink:0}.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--text-3);animation:blink 1.4s infinite ease-in-out both}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}.status-label{font-size:12px;color:var(--text-3);font-style:italic;animation:fadein .3s ease}@keyframes fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.chart-card{background:var(--surface-2);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);padding:16px;max-width:92%;width:100%;box-shadow:var(--shadow-sm)}.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.chart-title{font-weight:600;font-size:13px;color:var(--text)}.chart-cap{font-size:11px;font-weight:500;padding:3px 10px;border-radius:999px;background:var(--brand-light);color:var(--brand)}.ticket-card{background:var(--accent-light);border:1px solid rgba(0,179,128,.3);border-left:3px solid var(--accent);border-radius:var(--radius);padding:16px;max-width:92%;width:100%;box-shadow:var(--shadow-sm)}.ticket-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}.ticket-icon{font-size:18px}.ticket-title{font-weight:600;font-size:14px;color:var(--brand)}.ticket-sev{margin-left:auto;font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:3px 10px;border-radius:999px}.ticket-sev.low{background:#00b38026;color:#064}.ticket-sev.medium{background:#eab30826;color:#854d0e}.ticket-sev.high{background:var(--red-light);color:var(--red)}.ticket-ref{font-size:12px;color:var(--text-2);margin-bottom:4px}.ticket-ref .mono{font-family:JetBrains Mono,monospace;font-weight:600;color:var(--brand)}.ticket-hint{font-size:12px;color:var(--text-3)}.composer-wrap{flex-shrink:0;position:sticky;bottom:0;background:linear-gradient(to top,var(--bg) 55%,rgba(240,244,248,0));padding:12px 16px 20px}.composer{background:var(--surface);border:1.5px solid var(--border);border-radius:18px;box-shadow:var(--shadow-md);display:flex;align-items:flex-end;gap:6px;padding:8px 8px 8px 16px;transition:border-color .2s,box-shadow .2s}.composer:focus-within{border-color:var(--brand);box-shadow:var(--shadow-md),0 0 0 3px #1e345e14}.composer textarea{flex:1;resize:none;border:0;outline:0;background:transparent;font-family:inherit;font-size:15px;color:var(--text);padding:6px 0;min-height:32px;max-height:160px;line-height:1.5}.composer textarea::placeholder{color:var(--text-3)}.composer-btn{width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;font-size:17px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s,box-shadow .15s}.composer-btn:active{transform:scale(.92)}.btn-mic{background:var(--bg);color:var(--text-3)}.btn-mic:hover{background:var(--border);color:var(--text-2)}.btn-mic.recording{background:var(--red);color:#fff;box-shadow:0 0 0 4px var(--red-light);animation:pulse-red 1.2s infinite}@keyframes pulse-red{0%,to{box-shadow:0 0 0 4px var(--red-light)}50%{box-shadow:0 0 0 8px #dc26260d}}.btn-send{background:var(--brand);color:#fff;box-shadow:0 2px 8px #1e345e4d}.btn-send:hover{background:#162848}.btn-send:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.hint{text-align:center;font-size:11px;color:var(--text-3);margin-top:8px}.messages::-webkit-scrollbar{width:4px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}@media (max-width: 500px){.topbar{padding:10px 14px}.messages{padding:16px 12px 180px;gap:12px}.bubble{max-width:88%;font-size:14px}.composer-wrap{padding:8px 10px 16px}.brand-sub{display:none}}