.smarse-chat-btn{position:fixed;bottom:25px;right:25px;width:60px;height:60px;background:#4f46e5;border-radius:50%;box-shadow:0 4px 14px rgba(0,0,0,.25);color:#fff;font-size:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s;z-index:999999;border:none}
.smarse-chat-btn:hover{transform:scale(1.08)}
.smarse-chat-box{position:fixed;bottom:95px;right:25px;width:360px;height:480px;background:#fff;border-radius:14px;display:none;flex-direction:column;box-shadow:0 10px 25px rgba(0,0,0,.2);z-index:999999}
.smarse-chat-header{background:#4f46e5;color:#fff;padding:12px 15px;font-size:16px;display:flex;justify-content:space-between;align-items:center;border-radius:14px 14px 0 0}
.smarse-close{cursor:pointer;background:none;border:none;color:#fff;font-size:20px;padding:0;line-height:1}
.smarse-chat-body{flex:1;padding:15px;overflow-y:auto;background:#f5f7fb;display:flex;flex-direction:column}
.smarse-msg{max-width:80%;padding:10px 14px;border-radius:12px;margin-bottom:10px;line-height:1.4;font-size:14px;word-break:break-word}
.smarse-user{background:#dbeafe;margin-left:auto}
.smarse-ai{background:#e5e7eb;margin-right:auto}
.smarse-typing{display:flex;gap:4px;align-self:flex-start}
.smarse-typing div{width:6px;height:6px;background:#666;border-radius:50%;animation:smarse-type 1.3s infinite}
.smarse-typing div:nth-child(2){animation-delay:.2s}
.smarse-typing div:nth-child(3){animation-delay:.4s}
@keyframes smarse-type{0%,100%{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}
.smarse-chat-input-box{padding:12px;border-top:1px solid #eee;background:#fff}
.smarse-chat-input-box textarea{width:100%;height:65px;border:1px solid #ccc;border-radius:8px;padding:10px;resize:none}
.smarse-chat-submit{margin-top:8px;width:100%;padding:10px;border:none;border-radius:8px;background:#4f46e5;color:#fff;font-weight:600;cursor:pointer}