.bffc{--bffc:#2b7a8b;--bffc-on:#fff;--bffc-x:20px;--bffc-y:90px;position:fixed;bottom:var(--bffc-y);z-index:2147482000;font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#1f2937}
.bffc[data-pos=right]{right:var(--bffc-x)}.bffc[data-pos=left]{left:var(--bffc-x)}
.bffc *{box-sizing:border-box}
.bffc button,.bffc textarea,.bffc input{margin:0;min-width:0;min-height:0;box-shadow:none;text-shadow:none;text-transform:none;letter-spacing:normal;font-family:inherit;-webkit-appearance:none;appearance:none;float:none;width:auto}
.bffc button{line-height:1.2;background-image:none}
.bffc-launch{width:56px;height:56px;border-radius:50%;border:0;background:var(--bffc);color:var(--bffc-on);display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform .15s}
.bffc-launch:hover{transform:scale(1.06)}.bffc-launch:focus-visible,.bffc-x:focus-visible,.bffc-chip:focus-visible,.bffc-send:focus-visible{outline:3px solid rgba(37,99,235,.55);outline-offset:2px}
.bffc-tip{position:absolute;bottom:8px;white-space:nowrap;background:#fff;color:#111827;padding:11px 16px;border-radius:12px;box-shadow:0 6px 20px rgba(0,0,0,.18);font-size:15px;pointer-events:none}
.bffc[data-pos=right] .bffc-tip{right:68px}.bffc[data-pos=left] .bffc-tip{left:68px}
.bffc-panel{position:absolute;bottom:68px;width:360px;max-width:calc(100vw - 24px);height:min(560px,calc(100vh - 140px));background:#fff;border-radius:18px;box-shadow:0 18px 60px rgba(0,0,0,.32);display:flex;flex-direction:column;overflow:hidden}
.bffc-panel[hidden]{display:none}
.bffc[data-pos=right] .bffc-panel{right:0}.bffc[data-pos=left] .bffc-panel{left:0}
.bffc-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 10px}
.bffc-title{margin:0;font-size:18px;font-weight:700;color:#111827;line-height:1.25}
.bffc-x{border:0;background:none;font-size:28px;line-height:1;color:#6b7280;cursor:pointer;padding:0 4px}
.bffc-list{flex:1;overflow-y:auto;padding:6px 16px 10px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}
.bffc-msg{max-width:88%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.bffc-bot{align-self:flex-start;background:#f1f2f4;color:#1f2937;border-bottom-left-radius:4px}
.bffc-user{align-self:flex-end;background:#6b7280;color:#fff;border-bottom-right-radius:4px}
.bffc-typing b{display:block;font-size:13px;margin-bottom:2px}
.bffc-dots i{display:inline-block;width:6px;height:6px;margin-right:4px;border-radius:50%;background:#9ca3af;animation:bffc-b 1.1s infinite ease-in-out}
.bffc-dots i:nth-child(2){animation-delay:.15s}.bffc-dots i:nth-child(3){animation-delay:.3s}
@keyframes bffc-b{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.bffc-chips{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin:2px 0 4px}
.bffc-chip{border:1px solid #d1d5db;background:#fff;color:#111827;border-radius:999px;padding:8px 14px;font:inherit;font-size:14px;cursor:pointer;text-align:left;max-width:100%}
.bffc-chip:hover{border-color:var(--bffc)}
.bffc-form{padding:10px 12px 8px;display:flex;flex-direction:row;align-items:flex-end;gap:8px;border-top:1px solid #eceff1}
.bffc .bffc-ta{flex:1 1 auto;width:100%;height:42px;max-height:110px;resize:none;overflow-y:auto;border:1px solid #d1d5db;background:#f3f4f6;border-radius:21px;padding:10px 14px;font:inherit;font-size:15px;line-height:20px;color:#111827}
.bffc .bffc-ta:focus,.bffc .bffc-ta:focus-visible{outline:none!important;border-color:var(--bffc);box-shadow:0 0 0 2px rgba(0,0,0,.12)!important;background:#fff}
.bffc .bffc-send{flex:0 0 42px;width:42px;height:42px;border:0;border-radius:50%;background:var(--bffc);color:var(--bffc-on);padding:0;display:grid;place-items:center;cursor:pointer}
.bffc-send:disabled{opacity:.6;cursor:default}
.bffc-actions{align-self:stretch;display:flex;flex-direction:column;gap:8px;margin:2px 0 4px}
.bffc-act{display:block;text-align:center;border:0;border-radius:12px;padding:11px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;background:var(--bffc);color:var(--bffc-on)}
.bffc-act-whatsapp{background:#25d366;color:#fff}.bffc-act-telegram{background:#229ed9;color:#fff}.bffc-act-contact{background:#fff;color:#111827;border:1px solid #d1d5db}
.bffc-contact{display:flex;flex-direction:column;gap:8px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:12px}
.bffc-contact input[type=text]{border:1px solid #d1d5db;border-radius:8px;padding:9px 10px;font:inherit;background:#fff;color:#111827}
.bffc-priv{font-size:13px;color:#4b5563}.bffc-err{color:#b91c1c;font-size:13px;min-height:0}
@media (max-width:600px){.bffc-panel{position:fixed;left:8px!important;right:8px!important;bottom:8px;width:auto;max-width:none;height:min(78vh,620px)}.bffc.is-open .bffc-launch{display:none}.bffc-tip{display:none}}
@media (prefers-reduced-motion:reduce){.bffc-launch,.bffc-list{transition:none;scroll-behavior:auto}.bffc-dots i{animation:none;opacity:.6}}
.bffc-note{padding:0 16px 12px;font-size:11.5px;color:#6b7280;line-height:1.35;text-align:center}.bffc-note a{color:inherit;text-decoration:underline}
.bffc-link{color:var(--bffc);text-decoration:underline;word-break:break-all}
.bffc a.bffc-chip{text-decoration:none;display:inline-block}.bffc-chip-wa{border-color:#25d366;color:#0b7a4b}