.mcw-bubble{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background:var(--mcw-color,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:999999;font-size:26px;border:none;overflow:hidden;padding:0;}
.mcw-bubble img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block;}
.mcw-window{position:fixed;bottom:92px;right:20px;width:340px;max-width:92vw;height:460px;max-height:75vh;background:#fff;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden;z-index:999999;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;}
.mcw-window.open{display:flex;}
.mcw-header{background:var(--mcw-color,#2563eb);color:#fff;padding:14px 16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;}
.mcw-header-left{display:flex;align-items:center;gap:8px;min-width:0;}
.mcw-header-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.mcw-close{cursor:pointer;background:none;border:none;color:#fff;font-size:18px;}
.mcw-messages{flex:1;overflow-y:auto;padding:12px;background:#f6f7f9;}
.mcw-msg{max-width:80%;margin-bottom:10px;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.4;}
.mcw-msg.bot{background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:2px;}
.mcw-msg.user{background:var(--mcw-color,#2563eb);color:#fff;margin-left:auto;border-bottom-right-radius:2px;}
.mcw-promo{border:1px solid var(--mcw-color,#2563eb);background:#fff;border-radius:10px;padding:10px 12px;margin-bottom:10px;font-size:13px;}
.mcw-promo-badge{display:inline-block;background:var(--mcw-color,#2563eb);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:20px;margin-bottom:6px;}
.mcw-promo-title{font-weight:700;margin-bottom:3px;}
.mcw-promo-links{display:flex;gap:12px;margin-top:6px;}
.mcw-promo a{color:var(--mcw-color,#2563eb);font-weight:600;text-decoration:none;font-size:13px;}
.mcw-inputbar{display:flex;align-items:center;border-top:1px solid #e5e7eb;padding:8px;}
.mcw-input{flex:1;border:1px solid #e5e7eb;border-radius:20px;padding:8px 12px;font-size:14px;outline:none;}
.mcw-send{margin-left:8px;background:var(--mcw-color,#2563eb);color:#fff;border:none;border-radius:20px;height:36px;padding:0 16px;cursor:pointer;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;white-space:nowrap;}