.chat-btn{position:fixed;right:clamp(14px,2.4vw,32px);top:50%;transform:translateY(-50%);z-index:73;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:rgba(16,15,13,.88);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#F3ECDF;box-shadow:0 12px 30px -10px rgba(0,0,0,.55);transition:background .3s,color .3s,transform .4s var(--out)}
.chat-btn:hover{background:var(--copper);color:#100F0D;transform:translateY(-50%) scale(1.06)}
.chat-btn svg{width:22px;height:22px}
.chat-btn .dot{position:absolute;top:9px;right:9px;width:10px;height:10px;border-radius:50%;background:var(--copper);box-shadow:0 0 0 2px rgba(16,15,13,.88)}
.chat-btn:hover .dot{box-shadow:0 0 0 2px var(--copper);background:#100F0D}
@keyframes cb-pulse{0%,100%{opacity:1}50%{opacity:.35}}
.chat-btn .dot.on{animation:cb-pulse 1.8s ease-in-out infinite}
.chat-btn.open{background:var(--copper);color:#100F0D}
.menu-open .chat-btn,.lb.open ~ .chat-btn{opacity:0;visibility:hidden;pointer-events:none}
.chat-panel{position:fixed;z-index:74;right:clamp(14px,2.4vw,32px);top:50%;transform:translateY(-50%) translateX(12px) scale(.96);width:min(92vw,380px);max-height:min(74svh,620px);display:flex;flex-direction:column;background:var(--dark);color:var(--dark-fg);border-radius:24px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);overflow:hidden;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .35s var(--out),transform .4s var(--out),visibility 0s .4s}
.chat-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(-50%) translateX(0) scale(1);transition:opacity .35s var(--out),transform .4s var(--out),visibility 0s 0s}
@media (max-width:640px){.chat-panel{right:10px;left:10px;width:auto;top:auto;bottom:calc(env(safe-area-inset-bottom,0px) + 86px);max-height:min(64svh,560px);transform:translateY(16px) scale(.97)}.chat-panel.open{transform:translateY(0) scale(1)}.chat-btn{top:auto;bottom:calc(env(safe-area-inset-bottom,0px) + clamp(16px,3vw,32px));transform:none}.chat-btn:hover{transform:scale(1.06)}}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 16px 14px;border-bottom:1px solid var(--dark-line);flex:none}
.chat-head .av{width:36px;height:36px;border-radius:50%;background:var(--copper);color:#100F0D;display:grid;place-items:center;flex:none}
.chat-head .av svg{width:18px;height:18px}
.chat-head .ti{flex:1;min-width:0}
.chat-head .ti b{display:block;font-family:var(--serif);font-size:1.05rem;line-height:1.2}
.chat-head .ti span{display:block;font-size:.72rem;color:var(--dark-muted);margin-top:1px}
.chat-head .ti span i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7BC47F;margin-right:5px}
.chat-x{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--dark-muted);transition:background .3s,color .3s}
.chat-x:hover{background:rgba(243,236,223,.1);color:var(--dark-fg)}
.chat-x svg{width:16px;height:16px}
.chat-body{flex:1;min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}
.chat-body::-webkit-scrollbar{width:6px}.chat-body::-webkit-scrollbar-thumb{background:var(--dark-line);border-radius:99px}
.cmsg{max-width:86%;padding:11px 14px;border-radius:16px;font-size:.92rem;line-height:1.45}
.cmsg.bot{align-self:flex-start;background:rgba(243,236,223,.08);border-bottom-left-radius:5px}
.cmsg.user{align-self:flex-end;background:var(--copper);color:#100F0D;border-bottom-right-radius:5px}
.cmsg a.cta{display:inline-flex;align-items:center;gap:6px;margin-top:9px;padding:8px 14px;border-radius:99px;background:var(--copper);color:#100F0D;font-size:.82rem;font-weight:600}
.cmsg.bot a.cta{background:var(--copper);color:#100F0D}
.cmsg small{display:block;margin-top:8px;color:var(--dark-muted);font-size:.76rem}
.chat-typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;background:rgba(243,236,223,.08);border-radius:16px;border-bottom-left-radius:5px}
.chat-typing span{width:6px;height:6px;border-radius:50%;background:var(--dark-muted);animation:ct-b 1.1s ease-in-out infinite}
.chat-typing span:nth-child(2){animation-delay:.15s}.chat-typing span:nth-child(3){animation-delay:.3s}
@keyframes ct-b{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-3px);opacity:1}}
.chat-chips{display:flex;flex-wrap:wrap;gap:7px;padding:2px 16px 14px;flex:none}
.chat-chips button{min-height:36px;padding:0 14px;border-radius:99px;border:1px solid var(--dark-line);color:var(--dark-fg);font-size:.82rem;transition:background .3s,border-color .3s}
.chat-chips button:hover{background:var(--copper);color:#100F0D;border-color:var(--copper)}
.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--dark-line);flex:none}
.chat-form input{flex:1;min-height:42px;border-radius:99px;border:1px solid var(--dark-line);background:rgba(243,236,223,.05);color:var(--dark-fg);padding:0 16px;font:inherit;font-size:.9rem}
.chat-form input:focus{outline:0;border-color:var(--copper)}
.chat-form button{flex:none;width:42px;height:42px;border-radius:50%;background:var(--copper);color:#100F0D;display:grid;place-items:center;transition:transform .3s var(--out)}
.chat-form button:hover{transform:scale(1.07)}
.chat-form button svg{width:18px;height:18px}
@media (prefers-reduced-motion: reduce){.chat-panel,.chat-btn,.chat-typing span{transition:none;animation:none}}