:root{color-scheme:light;--bg:#fff;--text:#101b29;--muted:#526379;--line:#c4cbd2;--soft:#eef5fa;--source:#e4f7f7;--link:#08656b;--nav:#0e1d33;--accent:#ff4c00;font:16px/1.5 "Open Sans",Arial,sans-serif}
:root[data-theme=dark]{color-scheme:dark;--bg:#0b1625;--text:#edf3f8;--muted:#c3cdd9;--line:#40546a;--soft:#14253b;--source:#142e3b;--link:#60dfdb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}[hidden]{display:none!important}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}svg{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sprite{position:absolute;width:0;height:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.app{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.chat-header{display:flex;align-items:center;gap:12px;background:var(--nav);color:#fff;padding:14px 16px;min-height:80px;flex-shrink:0}.brand-icon{width:34px;height:34px;flex-basis:34px}.brand{flex:1;min-width:0}.brand strong{display:block;font-size:20px;line-height:1.3}.brand span{display:block;font-size:14px;color:#c3cdd9}.icon-button{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;padding:0;background:transparent;border:0;border-radius:9px;color:inherit}.icon-button:hover{background:#ffffff18}#reset{display:none}.has-messages #reset{display:grid}.amp-embed .chat-header{padding-right:60px}.amp-embed #close-chat{display:none}.context{display:flex;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);flex-shrink:0}.context span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.context svg{width:18px;height:18px;flex-basis:18px}
.conversation{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:24px 20px;scrollbar-width:thin;scroll-padding-bottom:20px}.welcome h1{font-size:30px;line-height:1.2;letter-spacing:-.03em;margin:10px 0}.welcome p{margin:0 0 25px}.suggestions{display:grid;gap:10px}.suggestions button{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);min-height:58px;padding:12px}.suggestions button span{flex:1}.suggestions button:hover{border-color:var(--link);background:var(--soft)}.suggestions button svg:last-child{width:16px;flex-basis:16px}.user-message{margin:0 0 22px auto;max-width:90%;width:fit-content;border-radius:12px 12px 3px 12px;padding:12px 15px;background:#16314b;color:#fff;white-space:pre-wrap;overflow-wrap:anywhere}.assistant-message{margin-bottom:24px;overflow-wrap:anywhere}.answer{margin:0 0 16px;white-space:pre-line;line-height:1.6}.sources{display:grid;gap:8px}.source{display:flex;gap:10px;align-items:center;color:var(--link);background:var(--source);border-radius:8px;padding:12px;text-decoration:none;min-height:48px;font-size:14px}.source span{flex:1}.source:hover{text-decoration:underline}.source svg:last-child{width:18px;flex-basis:18px}.followups{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.followups button,.followups a,.retry{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);text-decoration:none;font-size:14px}.feedback{display:flex;justify-content:flex-end;gap:4px;margin-top:8px}.feedback button{color:var(--muted)}.feedback button[aria-pressed=true]{color:var(--link);background:var(--source)}.feedback .down svg{transform:rotate(180deg)}.feedback-note{font-size:12px;color:var(--muted);margin:auto 6px auto 0}.error{border-left:3px solid var(--accent);padding:10px 12px;background:var(--soft);margin:12px 0}.error p{margin:0 0 8px}.loading{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}.dots{letter-spacing:3px;color:var(--link);animation:pulse 1s ease-in-out infinite alternate}@keyframes pulse{to{opacity:.3}}
.composer-area{flex-shrink:0;padding:0 18px max(12px,env(safe-area-inset-bottom));background:var(--bg)}.scope{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:12px;margin:0 0 12px;color:var(--muted);font-size:12px}.scope svg{width:17px;height:17px;flex-basis:17px}.input-wrap{display:flex;align-items:flex-end;padding:8px;border:1px solid var(--line);border-radius:12px;gap:6px;background:var(--bg)}textarea{min-width:0;flex:1;resize:none;max-height:110px;border:0;background:transparent;color:var(--text);padding:11px 6px;line-height:24px;font-size:16px}textarea::placeholder{color:var(--muted)}textarea:focus-visible{outline-offset:0}#send{display:grid;place-items:center;flex:0 0 46px;width:46px;height:46px;border:0;border-radius:50%;background:var(--accent);color:#101b29}#send svg{width:23px;height:23px;fill:#101b29}#stop{align-self:center;background:var(--soft);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px;min-height:44px;font-size:13px}.privacy{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);margin:8px 0 0}.privacy svg{width:14px;height:14px;flex-basis:14px}.text-button{display:block;min-height:32px;background:none;border:0;color:var(--link);font-size:11px;padding:4px 0;text-decoration:underline;text-underline-offset:3px}.privacy-detail{font-size:12px;max-height:100px;overflow:auto;margin:4px 0;color:var(--muted)}.disclaimer{font-size:11px;color:var(--muted);margin:0;text-align:center}.has-messages .scope{display:none}dialog{color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:24px;max-width:min(380px,calc(100% - 28px));max-height:85dvh;overflow:auto}dialog::backdrop{background:#07101dc9}dialog h2{font-size:22px;line-height:1.3;margin-top:0}dialog p{font-size:14px}.consent-actions{display:flex;gap:12px;justify-content:flex-end}.consent-actions button{min-height:44px;border:1px solid var(--line);border-radius:9px;padding:10px;background:var(--bg);color:var(--text)}.consent-actions .primary{background:var(--accent);color:#101b29;border-color:var(--accent);font-weight:700}
@media(max-width:350px){.chat-header{padding-left:12px;gap:8px}.brand strong{font-size:18px}.conversation{padding:18px 14px}.welcome h1{font-size:28px}.suggestions button{font-size:14px}.composer-area{padding-left:12px;padding-right:12px}}
@media(max-height:600px){.chat-header{min-height:64px;padding-top:8px;padding-bottom:8px}.context{padding-top:7px;padding-bottom:7px}.conversation{padding-top:14px}.scope{display:none}.privacy,.disclaimer{font-size:10px}.welcome h1{margin-top:0}.welcome p{margin-bottom:12px}.suggestions{gap:6px}.suggestions button{min-height:48px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}