:root{--chat-blue: #1a56db;--chat-blue-dark: #1341b0;--chat-green: #16a34a;--chat-radius: 16px;--chat-bubble-sz: 56px}.chat-bubble{position:fixed;bottom:24px;right:24px;width:var(--chat-bubble-sz);height:var(--chat-bubble-sz);border-radius:50%;background:var(--chat-blue);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:26px;z-index:9997;box-shadow:0 8px 24px #1a56db73,0 2px 8px #00000026;transition:transform .18s ease,box-shadow .18s ease;animation:chat-bubble-in .45s cubic-bezier(.16,1,.3,1) 1s both}.chat-bubble:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 12px 32px #1a56db8c}.chat-bubble:active{transform:scale(.96)}.chat-unread-badge{position:absolute;top:-4px;right:-4px;width:20px;height:20px;background:#ef4444;color:#fff;border-radius:50%;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;pointer-events:none;animation:chat-badge-pop .25s cubic-bezier(.16,1,.3,1)}@keyframes chat-bubble-in{0%{opacity:0;transform:translateY(20px) scale(.6)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes chat-badge-pop{0%{transform:scale(0)}to{transform:scale(1)}}.chat-window{position:fixed;bottom:92px;right:24px;width:360px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 120px);background:#fff;border-radius:var(--chat-radius);box-shadow:0 24px 64px #0000002e,0 4px 16px #0000001a;display:flex;flex-direction:column;overflow:hidden;z-index:9998;opacity:0;transform:translateY(16px) scale(.96);transition:opacity .2s ease,transform .22s cubic-bezier(.16,1,.3,1);pointer-events:none;font-family:Plus Jakarta Sans,system-ui,sans-serif}.chat-window.is-open{opacity:1;transform:translateY(0) scale(1);pointer-events:all}.chat-head{display:flex;align-items:center;gap:10px;padding:14px 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14px;background:#f1f5f9;border-radius:14px 14px 14px 4px;align-self:flex-start;width:fit-content}.chat-typing-label{font-size:10px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.04em;margin-right:2px}.chat-typing span{width:7px;height:7px;background:#94a3b8;border-radius:50%;animation:chat-typing-bounce 1.2s infinite}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes chat-typing-bounce{0%,80%,to{transform:scale(.7);opacity:.4}40%{transform:scale(1);opacity:1}}.chat-chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0 6px}.chat-chip{padding:6px 12px;border:1.5px solid var(--chat-blue);border-radius:999px;background:#fff;color:var(--chat-blue);font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s,color .15s}.chat-chip:hover{background:var(--chat-blue);color:#fff}.chat-chip:disabled{opacity:.5;cursor:default;pointer-events:none}.chat-input-area{border-top:1px solid #e2e8f0;padding:10px 12px;display:flex;flex-direction:column;gap:7px;flex-shrink:0}.chat-input-row{display:flex;gap:8px;align-items:flex-end}.chat-input{flex:1;border:1.5px solid #e2e8f0;border-radius:10px;padding:9px 12px;font-size:13.5px;font-family:inherit;color:#0f172a;outline:none;resize:none;line-height:1.45;transition:border-color .15s,box-shadow .15s;background:#fff}.chat-input:focus{border-color:var(--chat-blue);box-shadow:0 0 0 3px #1a56db1f}.chat-send-btn{width:36px;height:36px;border-radius:50%;background:var(--chat-blue);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;transition:background .15s,transform 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.chat-chip:hover{background:#1d4ed8;color:#fff;border-color:#1d4ed8}.chat-bubble--hidden{display:none!important}@media(max-width:640px){.chat-bubble{bottom:16px;left:16px;width:50px;height:50px;font-size:22px}.chat-window{position:fixed;width:100%;height:100%;max-height:100%;max-width:100%;border-radius:0;inset:0;transform:translateY(100%);transition:transform .28s cubic-bezier(.16,1,.3,1);opacity:1}.chat-window.is-open{transform:translateY(0);opacity:1;pointer-events:all}.chat-input{font-size:16px}.chat-chip{padding:8px 14px;font-size:13px}.chat-send-btn{width:42px;height:42px;font-size:17px}}@media(prefers-reduced-motion:reduce){.chat-bubble,.chat-window{animation:none;transition:none}}