#nc-chat-btn{position:fixed;right:18px;bottom:18px;padding:12px 16px;border-radius:999px;border:0;
background:linear-gradient(90deg,#FFD700,#E6B800);color:#000;font-weight:800;box-shadow:0 8px 18px rgba(255,215,0,.25);cursor:pointer;z-index:9999}
#nc-chat{position:fixed;right:18px;bottom:72px;width:320px;max-width:95vw;height:420px;background:#0b0b0b;box-shadow:0 8px 28px rgba(0,0,0,.6);
border:1px solid rgba(255,255,255,.12);border-radius:16px;display:none;flex-direction:column;z-index:9999;color:#fff}
#nc-chat header{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.12);color:#FFD700;font-weight:700}
#nc-chat main{padding:10px;overflow:auto;display:flex;gap:8px;flex-direction:column}
#nc-chat .msg{padding:10px;border-radius:12px;max-width:82%;line-height:1.35}
#nc-chat .you{background:#1a1a1a;align-self:flex-end}
#nc-chat .ai{background:#111;border:1px solid rgba(255,255,255,.08)}
#nc-chat footer{display:flex;gap:8px;padding:10px;border-top:1px solid rgba(255,255,255,.12)}
#nc-chat input{flex:1;background:#0f0f0f;border:1px solid rgba(255,255,255,.12);color:#fff;border-radius:10px;padding:10px}
#nc-chat button.send{background:#FFD700;color:#000;border:0;border-radius:10px;padding:10px 12px;font-weight:800;cursor:pointer}