:root{--teal: #0f9690;--teal-d: #0b756f;--teal-ink: #0a4d49;--navy: #1a2b4a;--bg: #f4f8f7;--bg-2: #eef4f3;--card: #ffffff;--text: #15302e;--muted: #61756f;--border: #e3ece9;--border-2: #d6e3df;--err: #b3261e;--err-bg: #fdf3f2;--shadow: 0 1px 2px rgba(16, 40, 38, .04), 0 8px 24px rgba(16, 40, 38, .06);--radius: 16px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);background-attachment:fixed;color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.app{max-width:780px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;background:transparent}.header{position:sticky;top:0;z-index:10;padding:14px 20px;background:#ffffffd1;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:linear-gradient(160deg,#fff,#eef4f3);border:1px solid var(--border-2);box-shadow:var(--shadow);flex:none}.brand-mark .mark{width:26px;height:26px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-size:1.18rem;letter-spacing:-.01em;color:var(--navy);font-weight:500}.brand-name strong{color:var(--teal);font-weight:800}.tagline{font-size:.82rem;color:var(--muted);margin-top:2px}.mark{object-fit:contain;display:block}.chat{flex:1;overflow-y:auto;padding:22px 18px 8px;display:flex;flex-direction:column;gap:16px}.welcome{margin:auto 0;padding:8px 6px 24px}.welcome-card{text-align:center;margin-bottom:22px}.welcome-mark{display:inline-grid;place-items:center;width:76px;height:76px;border-radius:20px;background:linear-gradient(160deg,#fff,#eaf3f1);border:1px solid var(--border-2);box-shadow:var(--shadow);margin-bottom:16px}.welcome-mark .mark{width:50px;height:50px}.welcome-card h1{font-size:1.5rem;margin:0 0 8px;letter-spacing:-.02em;color:var(--teal-ink)}.welcome-card p{color:var(--muted);margin:0 auto;max-width:420px;line-height:1.55;font-size:.96rem}.examples{display:flex;flex-direction:column;gap:10px;max-width:460px;margin:0 auto}.example{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 16px;text-align:left;cursor:pointer;color:var(--text);font-size:.94rem;font-family:inherit;box-shadow:var(--shadow);transition:border-color .15s,transform .15s,box-shadow .15s}.example:hover{border-color:var(--teal);transform:translateY(-1px)}.example-arrow{color:var(--teal);font-weight:700;opacity:.55;transition:opacity .15s,transform .15s}.example:hover .example-arrow{opacity:1;transform:translate(2px)}.row{display:flex;align-items:flex-end;gap:10px}.row.user{justify-content:flex-end}.avatar{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;align-self:flex-start;margin-top:2px;background:linear-gradient(160deg,#fff,#eef4f3);border:1px solid var(--border-2)}.avatar .mark{width:19px;height:19px}.bubble{max-width:84%;padding:13px 16px;border-radius:var(--radius);line-height:1.55;font-size:.95rem}.bubble.user{background:linear-gradient(160deg,var(--teal),var(--teal-d));color:#fff;border-bottom-right-radius:5px;white-space:pre-wrap;box-shadow:0 6px 16px #0f969038}.bubble.assistant{background:var(--card);border:1px solid var(--border);border-bottom-left-radius:5px;box-shadow:var(--shadow)}.bubble.error{border-color:#f0c9c6;background:var(--err-bg);color:var(--err);white-space:pre-wrap}.prose{font-size:.95rem}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose p{margin:0 0 10px}.prose ul,.prose ol{margin:0 0 10px;padding-left:1.25em}.prose li{margin:4px 0;padding-left:2px}.prose li::marker{color:var(--teal)}.prose ul{list-style:disc}.prose ol{list-style:decimal}.prose strong{font-weight:700;color:var(--teal-ink)}.prose em{font-style:italic}.prose h1,.prose h2,.prose h3,.prose h4{margin:14px 0 8px;line-height:1.3;color:var(--teal-ink);font-weight:700}.prose h1{font-size:1.15rem}.prose h2{font-size:1.08rem}.prose h3{font-size:1rem}.prose a{color:var(--teal-d);text-decoration:underline}.prose code{background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:1px 5px;font-size:.86em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.prose pre{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:12px;overflow-x:auto}.prose pre code{background:none;border:none;padding:0}.prose blockquote{margin:10px 0;padding:4px 0 4px 12px;border-left:3px solid var(--border-2);color:var(--muted)}.prose hr{border:none;border-top:1px solid var(--border);margin:14px 0}.prose table{border-collapse:collapse;width:100%;margin:8px 0;font-size:.9em}.prose th,.prose td{border:1px solid var(--border);padding:6px 9px;text-align:left}.prose th{background:var(--bg-2)}.sources{margin-top:12px;border-top:1px dashed var(--border-2);padding-top:10px}.sources summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:8px;color:var(--teal-d);font-size:.8rem;font-weight:600}.sources summary::-webkit-details-marker{display:none}.sources-count{background:var(--teal);color:#fff;border-radius:999px;font-size:.7rem;font-weight:700;padding:1px 7px;line-height:1.5}.sources-time{color:var(--muted);font-weight:500}.source{font-size:.8rem;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:9px 11px;margin:8px 0 0;line-height:1.45}.typing{display:inline-flex;gap:5px;align-items:center;padding:2px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--teal);opacity:.35;animation:blink 1.3s infinite both}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.composer{position:sticky;bottom:0;display:flex;gap:10px;padding:14px 18px;background:#ffffffd9;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-top:1px solid var(--border)}.composer input{flex:1;border:1px solid var(--border-2);border-radius:999px;padding:13px 18px;font-size:1rem;font-family:inherit;outline:none;background:var(--card);color:var(--text);transition:border-color .15s,box-shadow .15s}.composer input::placeholder{color:#9aaca8}.composer input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0f96901f}.composer button{flex:none;width:48px;height:48px;border-radius:50%;background:linear-gradient(160deg,var(--teal),var(--teal-d));color:#fff;border:none;display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 16px #0f969047;transition:transform .12s,opacity .12s}.composer button:hover:not(:disabled){transform:translateY(-1px)}.composer button:disabled{opacity:.4;cursor:default;box-shadow:none}.disclaimer{padding:10px 18px 18px;font-size:.76rem;color:var(--muted);text-align:center;line-height:1.45}.chat::-webkit-scrollbar{width:8px}.chat::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:8px}.chat::-webkit-scrollbar-thumb:hover{background:#c2d3ce}@media (max-width: 560px){.bubble{max-width:88%}.welcome-card h1{font-size:1.32rem}}