#sfb-wrap{position:fixed;right:20px;bottom:20px;z-index:9998;font-family:'Inter',sans-serif;}
#sfb-toggle{
	width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
	background:linear-gradient(135deg,#146A63,#0B2A4A);color:#fff;font-size:22px;
	box-shadow:0 10px 28px -10px rgba(11,42,74,.55);transition:transform .25s cubic-bezier(.2,.8,.2,1);
}
#sfb-toggle:hover{transform:translateY(-2px) scale(1.04);}
#sfb-toggle:focus-visible{outline:2px solid #146A63;outline-offset:3px;}

#sfb-panel{
	position:absolute;right:0;bottom:70px;width:320px;max-width:min(320px, calc(100vw - 40px));max-height:60vh;
	background:#fff;border:1px solid #DCE3E9;border-radius:14px;
	box-shadow:0 24px 60px -20px rgba(11,42,74,.35);
	display:flex;flex-direction:column;overflow:hidden;
	transform-origin:bottom right;
	animation:sfb-pop .18s cubic-bezier(.2,.8,.2,1);
}
#sfb-panel[hidden]{display:none;}
@keyframes sfb-pop{from{opacity:0;transform:scale(.94) translateY(6px);}to{opacity:1;transform:scale(1) translateY(0);}}
#sfb-head{background:linear-gradient(135deg,#081D33,#0B2A4A);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;font-family:'Fraunces',serif;font-size:14px;}
#sfb-head button{background:none;border:none;color:rgba(255,255,255,.75);cursor:pointer;font-size:13px;}

#sfb-messages{flex:1;overflow-y:auto;padding:14px 14px 4px;display:flex;flex-direction:column;gap:8px;max-height:280px;}
.sfb-msg{font-size:12.5px;line-height:1.5;padding:9px 12px;border-radius:12px;max-width:88%;}
.sfb-msg-bot{background:#F5F7F8;color:#15233A;align-self:flex-start;border-bottom-left-radius:4px;}
.sfb-msg-user{background:#0B2A4A;color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
.sfb-msg a{color:#146A63;text-decoration:underline;}

#sfb-suggestions{display:flex;flex-direction:column;gap:6px;padding:6px 14px 10px;}
.sfb-suggestion{text-align:left;background:#fff;border:1px solid #EAE6DC;border-radius:8px;padding:7px 10px;font-size:11.5px;color:#146A63;cursor:pointer;transition:border-color .2s ease,background .2s ease;}
.sfb-suggestion:hover{border-color:#146A63;background:rgba(20,106,99,0.05);}

#sfb-form{display:flex;border-top:1px solid #EAE6DC;padding:10px 12px;gap:8px;}
#sfb-input{flex:1;border:1px solid #DCE3E9;border-radius:999px;padding:8px 14px;font-size:12.5px;font-family:'Inter',sans-serif;}
#sfb-form button{width:34px;height:34px;border-radius:50%;border:none;background:#146A63;color:#fff;cursor:pointer;flex:none;}

@media (max-width:480px){
	#sfb-wrap{right:14px;bottom:16px;}
	#sfb-panel{width:min(320px, calc(100vw - 28px));bottom:66px;}
	#sfb-messages{max-height:42vh;}
}