.fb-chat{--fb-chat-accent:var(--accent,#0a2540);--fb-chat-on-accent:#ffffff;--fb-chat-header-bg:var(--bg,#0a2540);--fb-chat-header-ink:#ffffff;--fb-chat-surface:#ffffff;--fb-chat-body:#f6f8fb;--fb-chat-bubble-user:var(--fb-chat-header-bg);--fb-chat-bubble-model:#ffffff;--fb-chat-ink:#1f2733;--fb-chat-muted:#5b6675;--fb-chat-line:rgba(15,23,42,0.12);--fb-chat-link:#1d4ed8;--fb-chat-code-bg:rgba(15,23,42,0.06);--fb-chat-radius:16px;position:fixed;z-index:2147483000;font-family:var(--font-body,system-ui,-apple-system,sans-serif)}.fb-chat[data-scheme=dark]{--fb-chat-surface:var(--surface,#161a21);--fb-chat-body:var(--bg,#0b0d12);--fb-chat-bubble-user:var(--accent,#d40000);--fb-chat-bubble-model:var(--surface2,#23272f);--fb-chat-ink:var(--ink,#f4f5f7);--fb-chat-muted:var(--muted,#a9adb5);--fb-chat-line:var(--line,rgba(255,255,255,0.12));--fb-chat-link:#8ab4ff;--fb-chat-code-bg:rgba(255,255,255,0.08)}.fb-chat-launch{position:fixed;right:20px;bottom:20px;width:58px;height:58px;display:flex;align-items:center;justify-content:center;border-radius:999px;border:2px solid var(--fb-chat-accent);background:var(--fb-chat-header-bg);color:var(--fb-chat-accent);cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.28);transition:transform .15s ease,box-shadow .15s ease}.fb-chat-launch:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(0,0,0,.34)}.fb-chat-launch:focus-visible{outline:3px solid var(--fb-chat-accent);outline-offset:3px}.fb-chat-panel{position:fixed;right:16px;bottom:16px;width:min(460px,calc(100vw - 24px));height:min(600px,calc(100dvh - 32px));max-height:calc(100dvh - 32px);padding:0;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--fb-chat-radius);border:1px solid var(--fb-chat-line);background:var(--fb-chat-surface);box-shadow:0 24px 60px rgba(0,0,0,.4)}.fb-chat-head{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:var(--fb-chat-header-bg);color:var(--fb-chat-header-ink);border-bottom:1px solid var(--fb-chat-line)}.fb-chat-head-id{min-width:0;display:flex;flex-direction:column;gap:2px}.fb-chat-logo{height:22px;width:auto;max-width:200px;object-fit:contain;display:block}.fb-chat-title{display:flex;align-items:center;gap:8px;font-family:var(--font-display,inherit);font-weight:700;font-size:.95rem}.fb-chat-title .fb-chat-shield{color:var(--fb-chat-accent);display:inline-flex}.fb-chat-sub{font-size:.72rem;opacity:.62}.fb-chat-head-actions{display:flex;gap:4px;flex-shrink:0}.fb-chat-iconbtn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;border-radius:8px;background:transparent;color:inherit;opacity:.82;cursor:pointer;transition:background .15s ease}.fb-chat-iconbtn:hover{background:rgba(255,255,255,.12)}.fb-chat-iconbtn:disabled{opacity:.32;cursor:not-allowed}.fb-chat-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;background:var(--fb-chat-body);padding:14px;display:flex;flex-direction:column;gap:10px}.fb-chat-intro{border:1px solid var(--fb-chat-line);background:var(--fb-chat-bubble-model);border-radius:12px;padding:13px 15px;font-size:.88rem;line-height:1.55;color:var(--fb-chat-ink)}.fb-chat-row{display:flex}.fb-chat-row.user{justify-content:flex-end}.fb-chat-row.model{justify-content:flex-start}.fb-chat-bubble{border-radius:12px;padding:9px 12px;font-size:.9rem;line-height:1.55;word-break:break-word}.fb-chat-row.user .fb-chat-bubble{max-width:84%;background:var(--fb-chat-bubble-user);color:var(--fb-chat-on-accent);white-space:pre-wrap}.fb-chat-row.model .fb-chat-bubble{max-width:94%;background:var(--fb-chat-bubble-model);border:1px solid var(--fb-chat-line);color:var(--fb-chat-ink)}.fb-chat-row.guard .fb-chat-bubble{display:flex;gap:8px;align-items:flex-start;color:var(--fb-chat-ink)}.fb-chat-guard-ico{flex:0 0 auto;margin-top:1px;line-height:0}.fb-chat-guard-ico svg{display:block}.fb-chat-row.guard-armor .fb-chat-bubble{background:color-mix(in srgb,var(--fb-chat-accent) 8%,var(--fb-chat-bubble-model));border:1px solid color-mix(in srgb,var(--fb-chat-accent) 34%,var(--fb-chat-line))}.fb-chat-row.guard-armor .fb-chat-guard-ico{color:var(--fb-chat-accent)}.fb-chat-row.guard-limit .fb-chat-bubble{background:#fffbeb;border:1px solid #fde68a;color:#713f12}.fb-chat-row.guard-limit .fb-chat-guard-ico{color:#b45309}.fb-chat-row.guard-info .fb-chat-bubble{background:var(--fb-chat-bubble-model);border:1px solid var(--fb-chat-line);color:var(--fb-chat-muted)}.fb-chat-row.guard-info .fb-chat-guard-ico{color:var(--fb-chat-muted)}.fb-chat-bubble p{margin:0 0 8px}.fb-chat-bubble p:last-child{margin-bottom:0}.fb-chat-bubble .fb-chat-h{font-weight:700;color:inherit}.fb-chat-bubble ol,.fb-chat-bubble ul{margin:0 0 8px;padding-left:20px}.fb-chat-bubble li{margin:2px 0}.fb-chat-bubble a{color:var(--fb-chat-link);text-decoration:underline;text-underline-offset:2px}.fb-chat-bubble code{background:var(--fb-chat-code-bg);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82em}.fb-chat-bubble a.fb-chat-jump{display:inline-flex;align-items:center;gap:4px;text-decoration:none;color:var(--fb-chat-link);background:var(--fb-chat-code-bg);border:1px solid var(--fb-chat-line);border-radius:999px;padding:1px 10px;font-weight:600;font-size:.9em;line-height:1.5;cursor:pointer}.fb-chat-bubble a.fb-chat-jump:after{content:"\2193";font-size:.85em;opacity:.7}.fb-chat-bubble a.fb-chat-jump:hover{border-color:var(--fb-chat-link)}.fb-chat-sources{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;padding-top:8px;border-top:1px solid var(--fb-chat-line)}.fb-chat-sources-label{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fb-chat-muted)}.fb-chat-source{display:inline-flex;align-items:center;gap:5px;max-width:100%;font-size:12px;line-height:1;text-decoration:none;color:var(--fb-chat-accent);background:color-mix(in srgb,var(--fb-chat-accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--fb-chat-accent) 28%,transparent);border-radius:999px;padding:5px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fb-chat-source:after{content:"\2197";font-size:11px;opacity:.7}.fb-chat-source:hover{background:color-mix(in srgb,var(--fb-chat-accent) 18%,transparent);text-decoration:none}.fb-chat-tools{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.fb-chat-tool{border:1px solid var(--fb-chat-line);border-radius:7px;padding:1px 8px;font-size:11px;font-weight:600;color:var(--fb-chat-muted);background:transparent}.fb-chat-thinking{gap:8px;color:var(--fb-chat-muted);font-size:.85rem}.fb-chat-dots,.fb-chat-thinking{display:inline-flex;align-items:center}.fb-chat-dots{gap:3px}.fb-chat-dots span{width:6px;height:6px;border-radius:999px;background:var(--fb-chat-accent);animation:fb-chat-pulse 1.1s ease-in-out infinite}.fb-chat-dots span:nth-child(2){animation-delay:.18s}.fb-chat-dots span:nth-child(3){animation-delay:.36s}@keyframes fb-chat-pulse{0%,to{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}@media (prefers-reduced-motion:reduce){.fb-chat-dots span{animation-duration:1ms;transform:none}}.fb-chat-foot{flex-shrink:0;border-top:1px solid var(--fb-chat-line);background:var(--fb-chat-surface);padding:12px}.fb-chat-compose{display:flex;align-items:flex-end;gap:8px}.fb-chat-disclaimer{margin:8px 2px 0;font-size:10.5px;line-height:1.35;color:var(--fb-chat-muted);text-align:center}.fb-chat-claimcta{display:block;margin-top:8px;padding:8px 10px;border-radius:10px;background:var(--fb-chat-accent);color:var(--fb-chat-on-accent);font-size:12px;font-weight:600;text-align:center;text-decoration:none;cursor:pointer}.fb-chat-claimcta:hover{opacity:.92}.fb-chat-claimcta small{display:block;margin-top:2px;font-weight:500;font-size:10.5px;opacity:.85}.fb-chat-input{flex:1 1;resize:none;min-height:44px;max-height:120px;border:1px solid var(--fb-chat-line);border-radius:10px;padding:10px 12px;font:inherit;font-size:.9rem;background:var(--fb-chat-body);color:var(--fb-chat-ink);outline:none}.fb-chat-input::placeholder{color:var(--fb-chat-muted)}.fb-chat-input:focus{border-color:var(--fb-chat-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--fb-chat-accent) 22%,transparent)}.fb-chat-input:disabled{opacity:.6}.fb-chat-send{width:44px;height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:none;border-radius:10px;background:var(--fb-chat-accent);color:var(--fb-chat-on-accent);cursor:pointer;transition:filter .15s ease}.fb-chat-send:hover{filter:brightness(1.08)}.fb-chat-send:disabled{opacity:.4;cursor:not-allowed}@media (max-width:640px){.fb-chat-panel{right:14px;bottom:calc(12px + env(safe-area-inset-bottom, 0px));width:min(420px,calc(100vw - 28px));height:74dvh;max-height:calc(100dvh - 24px - env(safe-area-inset-bottom, 0px));border-radius:18px}.fb-chat-scroll{flex:1 1 auto}.fb-chat-launch{right:16px;bottom:calc(16px + env(safe-area-inset-bottom, 0px))}.fb-chat-row.user .fb-chat-bubble{max-width:88%}.fb-chat-row.model .fb-chat-bubble{max-width:96%}}