:root{--rfca-blue:#0071e3;--rfca-blue-dark:#0062c4;--rfca-ink:#1d1d1f;--rfca-grey:#f5f5f7;--rfca-line:rgba(0, 0, 0, 0.08);--rfca-font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}#rfca-launcher{position:fixed;right:20px;bottom:20px;z-index:99998;width:56px;height:56px;border:0;border-radius:50%;background:var(--rfca-blue);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgb(0 113 227 / .35);transition:transform 0.18s ease,background 0.18s ease}#rfca-launcher:hover{transform:scale(1.06);background:var(--rfca-blue-dark)}#rfca-launcher svg{width:26px;height:26px}#rfca-launcher .rfca-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:#ff3b30;border:2px solid #fff;display:none}#rfca-launcher.rfca-has-unread .rfca-dot{display:block}#rfca-panel{position:fixed;right:20px;bottom:90px;z-index:99999;width:380px;max-width:calc(100vw - 24px);height:min(600px, 72vh);background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 20px 60px rgb(0 0 0 / .22);display:none;flex-direction:column;font-family:var(--rfca-font);color:var(--rfca-ink);opacity:0;transform:translateY(12px);transition:opacity 0.22s ease,transform 0.22s ease}#rfca-panel.rfca-open{display:flex}#rfca-panel.rfca-in{opacity:1;transform:translateY(0)}.rfca-head{display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgb(255 255 255 / .82);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--rfca-line);flex:0 0 auto}.rfca-avatar{width:38px;height:38px;border-radius:50%;flex:0 0 auto;background:var(--rfca-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.02em}.rfca-head-meta{min-width:0;flex:1}.rfca-title{font-size:15px;font-weight:600;line-height:1.2}.rfca-sub{font-size:12px;color:#6e6e73;display:flex;align-items:center;gap:6px;margin-top:2px}.rfca-online{width:7px;height:7px;border-radius:50%;background:#30d158;flex:0 0 auto}.rfca-close{border:0;background:var(--rfca-grey);color:#6e6e73;cursor:pointer;width:30px;height:30px;border-radius:50%;font-size:16px;line-height:1}.rfca-close:hover{background:#e8e8ed;color:var(--rfca-ink)}.rfca-body{flex:1;overflow-y:auto;padding:16px;background:#fff;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.rfca-msg{max-width:82%;padding:10px 14px;border-radius:18px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}.rfca-msg a{color:inherit;text-decoration:underline}.rfca-msg-bot,.rfca-msg-agent{align-self:flex-start;background:var(--rfca-grey);border-bottom-left-radius:6px}.rfca-msg-customer{align-self:flex-end;background:var(--rfca-blue);color:#fff;border-bottom-right-radius:6px}.rfca-agent-tag{align-self:flex-start;font-size:11px;color:#6e6e73;margin:2px 0 -6px 6px;font-weight:600}.rfca-typing{align-self:flex-start;background:var(--rfca-grey);border-radius:18px;border-bottom-left-radius:6px;padding:12px 16px;display:none;gap:4px}.rfca-typing.rfca-show{display:flex}.rfca-typing span{width:7px;height:7px;border-radius:50%;background:#a1a1a6;animation:rfca-bounce 1.2s infinite}.rfca-typing span:nth-child(2){animation-delay:0.15s}.rfca-typing span:nth-child(3){animation-delay:0.3s}@keyframes rfca-bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.rfca-foot{flex:0 0 auto;display:flex;gap:8px;align-items:flex-end;padding:12px;border-top:1px solid var(--rfca-line);background:#fff}.rfca-input{flex:1;resize:none;border:1px solid var(--rfca-line);background:var(--rfca-grey);border-radius:20px;padding:10px 14px;font:14px/1.4 var(--rfca-font);color:var(--rfca-ink);max-height:96px;outline:none}.rfca-input:focus{border-color:var(--rfca-blue);background:#fff}.rfca-send{width:38px;height:38px;border:0;border-radius:50%;flex:0 0 auto;background:var(--rfca-blue);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.15s ease}.rfca-send:hover{background:var(--rfca-blue-dark)}.rfca-send:disabled{background:#c7c7cc;cursor:default}.rfca-send svg{width:17px;height:17px}.rfca-note{text-align:center;font-size:11px;color:#a1a1a6;padding:0 12px 8px;background:#fff}#rfca-launcher:focus-visible,.rfca-send:focus-visible,.rfca-close:focus-visible{outline:2px solid var(--rfca-blue);outline-offset:2px}@media (max-width:480px){#rfca-panel{right:0;left:0;bottom:0;width:100%;max-width:100%;height:88vh;border-radius:18px 18px 0 0}#rfca-launcher{right:14px;bottom:14px}}@media (prefers-reduced-motion:reduce){#rfca-panel,#rfca-launcher,.rfca-send{transition:none}.rfca-typing span{animation:none}}