.sub-tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: #1a1a1a;
  padding: 8px 0;
}
.sub-tab-btn {
  flex: 1;
  padding: 10px;
  border: 1px solid #444;
  background: #252525;
  color: #aaa;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
.sub-tab-btn.active {
  background: #8d6e63;
  color: #fff;
  border-color: #6d4c41;
}
#sub-tab-p2.active {
  background: #ab47bc;
  color: #fff;
  border-color: #ce93d8;
}
.sub-page {
  display: none;
}
.sub-page.active {
  display: block;
}
.p2-upg-status {
  display: flex;
  justify-content: space-between;
  background: #252525;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 12px;
  position: sticky;
  top: 52px;
  z-index: 9;
}