:root{--primary:#2d55a6;--primary-hover:#244a93;--primary-50:#eef3fb;--primary-100:#dde6f6;--primary-300:#a9bde3;--green:#92c341;--green-hover:#9bcc4b;--text:#16213a;--muted:#56627a;--border:#d5deee;--card:#fff;--red:#c62828;--radius-ui:12px;--radius-card:20px;--fs-body:18px;--fs-ui:17px;--fs-small:14px;--bg:#fff;--blue:var(--primary);--grey-030:#ebedf0;--grey-050:#c2c7d0;color:var(--text);background:var(--primary-50);-webkit-text-size-adjust:100%;font-family:Google Sans,system-ui,-apple-system,sans-serif}:root[data-text=normal]{--fs-body:16px;--fs-ui:15px;--fs-small:13px}:root[data-text=xlarge],:root.big-text{--fs-body:22px;--fs-ui:20px;--fs-small:16px}:root.dark{--primary:#6f93e0;--primary-hover:#86a6ea;--primary-50:#0f1626;--primary-100:#22304f;--primary-300:#3f5a98;--text:#e8ecf5;--muted:#a6b0c6;--border:#2b3853;--card:#1a2338;--bg:#141c2e;--red:#ff7b7b;--grey-030:#26304a;--grey-050:#3b4866;color:var(--text);background:var(--primary-50);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root.dark .logo-avatar{border-color:var(--border)}:root.dark .topbar{box-shadow:none}:root.dark .btn-primary,:root.dark .round-primary,:root.dark .bubble.user{color:#fff;background:#2d55a6}:root.dark .btn-primary:not(:disabled):hover,:root.dark .round-primary:not(:disabled):hover{background:#3a66bf}:root.dark .btn-danger{border-color:#6b3434}:root.dark .btn-danger:not(:disabled):hover,:root.dark .form-error{background:#3a1f1f}:root.dark .mock-banner{color:var(--text);background:#3a3317;border-color:#5a4f1f}:root.dark .composer textarea::placeholder{color:#8a95ad}:root.dark .chip:hover{background:var(--primary-100)}:root.dark .seg-btn.on,:root.dark .switch.on{color:#fff;background:#2d55a6;border-color:#2d55a6}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--primary-50)}a{color:var(--primary);text-underline-offset:3px}:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.sr-only{clip:rect(0 0 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#16213a2e}.logo-text{flex-direction:column;line-height:1.1;display:flex}.logo-name{color:var(--primary);letter-spacing:-.01em;font-size:22px;font-weight:600}.logo-sub{color:var(--muted);font-size:13px}.topbar-actions{align-items:center;gap:4px;display:flex}.tbtn{border-radius:var(--radius-ui);min-width:48px;min-height:48px;color:var(--text);font:500 var(--fs-ui)/1 inherit;cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 12px;text-decoration:none;display:inline-flex}.tbtn:hover{background:var(--primary-50);color:var(--primary)}.tbtn-text{font-weight:600}.tbtn-outline{border-color:var(--border);padding:0 18px}.tbtn-outline:hover{border-color:var(--primary)}.tbtn-icon-only{display:none}.btn{min-height:52px;font:500 var(--fs-ui)/1.2 inherit;cursor:pointer;border:1px solid #0000;border-radius:16px;justify-content:center;align-items:center;gap:10px;padding:0 22px;text-decoration:none;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:not(:disabled):hover{background:var(--primary-hover)}.btn-ghost{background:var(--card);color:var(--text);border-color:var(--border)}.btn-ghost:not(:disabled):hover{border-color:var(--primary);color:var(--primary)}.btn-danger{background:var(--card);color:var(--red);border-color:#f0c4c4}.btn-danger:not(:disabled):hover{background:#fdecec}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-block{width:100%}.btn-big{min-height:60px;font-size:calc(var(--fs-ui) + 2px);padding:0 32px}.btn-small{min-height:44px;padding:0 14px}.round-btn{cursor:pointer;border-radius:999px;flex:none;justify-content:center;align-items:center;width:56px;height:56px;padding:0;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.round-btn.small{width:44px;height:44px}.round-outline{background:var(--card);color:var(--primary);border:2px solid 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10px calc(8px + env(safe-area-inset-bottom))}.app.embed .round-btn:not(.small){width:50px;height:50px}.app.embed .composer textarea{min-height:50px;padding:12px 16px}.app.embed .footer-inner{text-align:center;justify-content:center}@media (width<=600px){.topbar-inner{height:56px;padding:0 10px}.logo-sub,.tbtn-label,.tbtn-label-always{display:none}.tbtn-icon-only{display:inline-flex}.tbtn-outline{padding:0 12px}.messages-inner{padding:14px 12px 18px}.bubble{max-width:92%}.composer{padding:10px 10px calc(8px + env(safe-area-inset-bottom))}.round-btn:not(.small){width:50px;height:50px}.composer textarea{min-height:50px;padding:12px 16px}.footer-inner{text-align:center;justify-content:center}.card{padding:20px 18px}}.convo-note{font-size:var(--fs-small);color:var(--muted);text-align:center;margin:0}.link-btn{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-weight:600;text-decoration:underline}.select{border:1px solid var(--border,#cfd6e4);background:var(--card,#fff);width:100%;color:inherit;font:inherit;border-radius:10px;padding:10px 12px}:root.dark .select{background:#1c2740;border-color:#34446a}.round-outline.convo{background:var(--primary);border-color:var(--primary);color:#fff}.sources{border-top:1px solid var(--border);font-size:var(--fs-small);color:var(--muted);margin:12px 0 0;padding-top:10px;line-height:1.5}.sources-label{font-weight:600}.sources a{color:var(--primary);overflow-wrap:anywhere}.install-btn{background:var(--card);color:var(--primary);border:2px solid var(--primary);margin-top:12px}.install-btn:hover{background:var(--primary-50)}.install-hint{max-width:420px;font-size:var(--fs-small);color:var(--muted);margin:14px auto 0;line-height:1.5}.attach-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}.attach-chip{border:1px solid 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