.ms-cart-fab,.ms-chat-fab{position:fixed;right:20px;z-index:1000}.ms-cart-fab{bottom:88px}.ms-chat-fab{bottom:20px}
.ms-cart-fab button,.ms-chat-fab button{border:0;border-radius:999px;background:#1c1f24;color:#fff;padding:14px 18px;font:600 15px var(--font);box-shadow:0 6px 24px #0003;cursor:pointer}
.ms-chat-fab button{background:var(--accent)}#ms-cart-count{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:6px;border-radius:50%;background:#fff;color:#1c1f24;font-size:12px}
.ms-cart-panel,.ms-chat-panel{position:fixed;z-index:1001;right:20px;bottom:145px;width:min(410px,calc(100vw - 28px));max-height:min(72vh,680px);background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 18px 60px #0003;overflow:hidden;color:#272a2f}
.ms-chat-panel{bottom:78px;display:flex;flex-direction:column;max-height:min(76vh,720px)}.ms-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px;background:#202329;color:#fff}.ms-panel-head strong{display:block}.ms-panel-head small{display:block;color:#d4d4d4;font-size:12px}.ms-panel-head button{border:0;background:transparent;color:inherit;font-size:28px;cursor:pointer}
.ms-cart-items{padding:14px;overflow:auto;max-height:42vh}.ms-cart-line{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 0;border-bottom:1px solid #eee}.ms-cart-line small{display:block;color:#777}.ms-cart-line button{border:0;background:none;color:#a33;cursor:pointer}.ms-cart-foot{padding:14px;border-top:1px solid #eee}.ms-cart-foot p{font-size:12px;color:#666}.ms-cart-foot .btn{width:100%;border:0;cursor:pointer}
.ms-chat-body{padding:14px;overflow:auto;flex:1;min-height:180px}.ms-chat-message{padding:11px 13px;border-radius:12px;margin:0 0 12px;max-width:95%;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.ms-chat-message.bot{background:#f1f3f5}.ms-chat-message.user{background:#fff0e5;margin-left:auto}.ms-customer-form{display:grid;gap:10px}.ms-customer-form label{font-size:12px;font-weight:600;color:#444}.ms-customer-form input,.ms-chat-compose input{display:block;width:100%;padding:11px;border:1px solid #d6d8dc;border-radius:8px;margin-top:4px;font:inherit}.ms-customer-form .btn,.ms-chat-compose .btn{border:0;cursor:pointer}.ms-chat-compose{display:flex;gap:8px;padding:12px;border-top:1px solid #eee}.ms-chat-compose input{margin:0;min-width:0}.ms-chat-compose .btn{flex:none}.ms-chat-options{display:grid;gap:8px;margin:12px 0}.ms-chat-options button{border:1px solid #f0a16f;background:#fff8f2;color:#292929;padding:10px;border-radius:9px;text-align:left;cursor:pointer;font:500 13px var(--font)}.ms-chat-options button:hover{background:#ffeadb}.ms-chat-inline{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}.ms-chat-inline button{border:1px solid #ddd;background:#fff;border-radius:8px;padding:8px 10px;cursor:pointer}
.ms-chat-invoice{border:1px solid #ddd;padding:12px;border-radius:8px;margin:10px 0;font-size:13px}.ms-chat-invoice button{margin:4px 4px 0 0;border:0;border-radius:6px;padding:8px;background:#202329;color:#fff;cursor:pointer}
@media(max-width:520px){.ms-cart-fab,.ms-chat-fab{right:12px}.ms-cart-panel,.ms-chat-panel{right:8px;bottom:75px;width:calc(100vw - 16px);max-height:80vh}.ms-cart-fab{bottom:82px}.ms-chat-fab{bottom:16px}.ms-chat-panel{bottom:70px}}
/* Chat accessibility, reliable hide/show, and construction engineer floating assistant */
[hidden]{display:none!important}
.ms-chat-fab{max-width:min(350px,calc(100vw - 24px))}
.ms-chat-fab button{display:flex;align-items:center;gap:10px;padding:7px 14px 7px 7px;text-align:left;max-width:100%;background:#123f70;border:1px solid #ffffff55}
.ms-chat-fab button img{width:48px;height:48px;border-radius:50%;object-fit:cover;object-position:center 20%;border:2px solid #fff;flex:none}
.ms-chat-fab button span:nth-child(2){display:grid;gap:3px;min-width:0}
.ms-chat-fab button strong{font-size:12px;line-height:1.3}
.ms-chat-fab button small{font-size:11px;font-weight:400;opacity:.9}
.ms-chat-online{width:9px;height:9px;border-radius:50%;background:#35d07f;box-shadow:0 0 0 3px #ffffff22;flex:none}
.ms-chat-agent{display:flex;align-items:center;gap:10px}.ms-chat-agent img{width:38px;height:38px;object-fit:cover;object-position:center 20%;border-radius:50%;border:2px solid #ffffff70}
.ms-chat-panel{height:min(680px,76vh)}.ms-chat-body{min-height:0}.ms-chat-message.agent{background:#f1f3f5;margin-right:auto}.ms-chat-message.admin{background:#e4f2ff;margin-right:auto;border:1px solid #c8e3ff}.ms-chat-message .ms-chat-sender{display:block;font-size:11px;font-weight:700;color:#174f84;margin-bottom:4px}
.ms-chat-compose{align-items:center}.ms-chat-compose input{flex:1;width:1px}.ms-chat-compose button{min-width:70px;padding:11px 14px}
@media(max-width:520px){.ms-chat-fab{max-width:calc(100vw - 24px)}.ms-chat-fab button img{width:42px;height:42px}.ms-chat-fab button strong{font-size:11px}.ms-chat-panel{height:min(680px,80vh)}}