.wca{position:fixed;right:var(--wca-right,24px);bottom:var(--wca-bottom,24px);z-index:99990;font-family:Arial,sans-serif}.wca-toggle{position:relative;width:58px;height:58px;padding:0;border:0;border-radius:50%;background:var(--wca-color,#111827);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.2);overflow:visible}.wca-toggle img{width:100%;height:100%;display:block;object-fit:cover;border-radius:50%}.wca-pulse:before,.wca-pulse:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--wca-color,#111827);opacity:.55;pointer-events:none;animation:wcaPulse 2s infinite}.wca-pulse:after{animation-delay:1s}@keyframes wcaPulse{0%{transform:scale(.85);opacity:.65}70%,100%{transform:scale(1.35);opacity:0}}.wca-panel{position:absolute;right:0;bottom:70px;width:380px;max-width:calc(100vw - 28px);height:560px;max-height:75vh;background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.22);overflow:hidden}.wca-head{height:58px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eee}.wca-close{border:0;background:none;font-size:26px;cursor:pointer}.wca-messages{height:285px;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.wca-msg{padding:10px 12px;border-radius:14px;max-width:85%;line-height:1.35;font-size:14px;overflow-wrap:anywhere;word-break:break-word}.wca-bot{background:#f3f4f6;align-self:flex-start}.wca-user{background:var(--wca-color,#111827);color:#fff;align-self:flex-end}.wca-products{padding:0 14px;max-height:150px;overflow:auto}.wca-product{display:flex;gap:10px;text-decoration:none;color:#111;padding:7px 0;border-top:1px solid #eee}.wca-product img{width:48px;height:48px;object-fit:contain}.wca-product span{display:flex;min-width:0;flex:1;flex-direction:column}.wca-product small{color:#6b7280}.wca-form{position:absolute;left:0;right:0;bottom:0;padding:12px;border-top:1px solid #eee;background:#fff;display:flex;gap:8px;align-items:flex-end}.wca-input{box-sizing:border-box;flex:1;min-width:0;max-height:120px;resize:none;overflow-y:auto;overflow-x:hidden;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;border:1px solid #d1d5db;border-radius:10px;padding:10px;font:inherit;line-height:1.35}.wca-form button,.wca-handoff{border:0;border-radius:10px;padding:10px 12px;background:var(--wca-color,#111827);color:#fff;cursor:pointer}.wca-handoff{width:100%;margin-top:8px}@media(max-width:480px){.wca{right:min(var(--wca-right,14px),14px);bottom:min(var(--wca-bottom,14px),14px)}.wca-panel{position:fixed;left:14px;right:14px;bottom:86px;width:auto;max-width:none}}