:root{--chat-primary:#019803;--chat-primary-dark:#017a02;--chat-primary-xdark:#015401;--chat-primary-pale:#e6f7e6;--chat-bg:#fff;--chat-thread-bg:#f4f6f8;--chat-border:#e5e7eb;--chat-text:#111827;--chat-muted:#9ca3af;--chat-bubble-r:14px;--chat-font:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;--chat-shadow:0 10px 40px rgba(0,0,0,.16),0 2px 8px rgba(0,0,0,.08);--chat-z:9999}#shena-chat-wrapper{bottom:24px;font-family:var(--chat-font);font-size:14px;line-height:1.5;position:fixed;right:24px;z-index:var(--chat-z)}#shena-chat-bubble{align-items:center;background:var(--chat-primary);border:none;border-radius:50%;box-shadow:0 4px 20px rgba(1,152,3,.4),0 2px 6px rgba(0,0,0,.15);color:#fff;cursor:pointer;display:flex;height:58px;justify-content:center;outline:none;position:relative;transition:background .18s,transform .18s,box-shadow .18s;width:58px}#shena-chat-bubble:hover{background:var(--chat-primary-dark);box-shadow:0 6px 24px rgba(1,152,3,.45),0 2px 8px rgba(0,0,0,.18);transform:scale(1.08)}#shena-chat-bubble:active{transform:scale(.96)}#shena-chat-bubble:focus-visible{outline:3px solid rgba(1,152,3,.4);outline-offset:3px}#shena-chat-bubble:before{animation:chat-ring 3s ease-in-out infinite;border:2px solid rgba(1,152,3,.3);border-radius:50%;content:"";inset:-4px;pointer-events:none;position:absolute}@keyframes chat-ring{0%,to{opacity:.6;transform:scale(1)}50%{opacity:0;transform:scale(1.14)}}#shena-chat-panel{animation:chat-panel-in .2s cubic-bezier(.34,1.56,.64,1);background:var(--chat-bg);border:1px solid rgba(0,0,0,.06);border-radius:18px;bottom:96px;box-shadow:var(--chat-shadow);display:flex;flex-direction:column;max-height:540px;overflow:hidden;position:fixed;right:24px;transform-origin:bottom right;transition:width .22s ease,height .22s ease,max-height .22s 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