#modelhub-import-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999999;
  background: #4f8ef7;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 13px;
  font-family: system-ui, sans-serif;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}
#modelhub-import-btn:hover { background: #3f7ee0; }

#modelhub-panel {
  position: fixed;
  bottom: 70px;
  right: 20px;
  z-index: 999999;
  width: 320px;
  max-height: 70vh;
  overflow-y: auto;
  background: #16181c;
  color: #e8e8e8;
  border: 1px solid #2c2f36;
  border-radius: 10px;
  padding: 14px;
  font-family: system-ui, sans-serif;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}
#modelhub-panel h3 { margin: 0 0 10px; font-size: 14px; }
#modelhub-panel label { display: block; font-size: 11px; color: #9aa0a6; margin: 8px 0 4px; }
#modelhub-panel input[type="text"], #modelhub-panel input:not([type]) {
  width: 100%; box-sizing: border-box; padding: 6px 8px;
  background: #1e2126; border: 1px solid #3a3f47; border-radius: 4px; color: #e8e8e8; font-size: 12px;
}
.modelhub-file-row { display: flex !important; align-items: center; gap: 6px; font-size: 12px; color: #cfd3d8;
  margin-bottom: 2px; word-break: break-all; }
.modelhub-file-row input { width: auto !important; }
.modelhub-actions { display: flex; gap: 8px; margin-top: 12px; }
.modelhub-actions button {
  flex: 1; padding: 7px; border: none; border-radius: 4px; font-size: 12px; cursor: pointer;
}
#modelhub-send { background: #4f8ef7; color: #fff; }
#modelhub-send:disabled { background: #3a3f47; cursor: not-allowed; }
#modelhub-cancel { background: #2a2d33; color: #e8e8e8; }
#modelhub-status { font-size: 11px; margin-top: 8px; min-height: 14px; }
.modelhub-ok { color: #4caf7c; }
.modelhub-err { color: #e0645a; }
.modelhub-warn { font-size: 12px; color: #e0a800; }