/* TourNocturno – Chat estático (solo FTP) */
#tn-chat-button{
  position: fixed; right: 20px; bottom: 20px;
  width: 56px; height: 56px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background:#111; color:#fff; font-size:24px; cursor:pointer;
  box-shadow: 0 8px 20px rgba(0,0,0,.3);
  z-index: 9999;
}
#tn-chat-window{
  position: fixed; right: 20px; bottom: 88px; width: 340px; height: 480px;
  background: #0f0f10; color:#f5f5f5; border-radius: 16px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,.4); z-index: 9999;
  display: none; flex-direction: column;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
#tn-chat-window.open{ display:flex; }
.tn-header{
  background: #1b1b1d; padding: 10px 12px; display:flex; align-items:center; justify-content:space-between;
  border-bottom: 1px solid #2a2a2e;
}
.tn-header button{ background:transparent; color:#bbb; border:0; font-size:20px; cursor:pointer; }
.tn-messages{ flex: 1; overflow-y: auto; padding: 12px; display:flex; flex-direction:column; gap:8px; }
.tn-msg{ max-width: 80%; padding: 10px 12px; border-radius: 12px; line-height: 1.35; }
.tn-user{ align-self: flex-end; background: #34343a; }
.tn-bot{ align-self: flex-start; background: #1f1f24; }
.tn-input{ display:flex; gap:8px; padding: 12px; border-top: 1px solid #2a2a2e; }
.tn-input input{ flex:1; background:#141416; color:#eee; border:1px solid #2a2a2e; border-radius:10px; padding:10px; }
.tn-input button{ background:#e6e6e6; color:#111; border:0; padding:10px 12px; border-radius:10px; cursor:pointer; }
.tn-options{ display:flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tn-chip{ background:#2a2a2e; color:#ddd; border:1px solid #3a3a40; padding:6px 10px; border-radius:999px; font-size:12px; cursor:pointer; }
.tn-link{ margin-top:8px; display:inline-block; background:#f0f0f0; color:#111; padding:8px 10px; border-radius:10px; font-weight:600; text-decoration:none; }