.ngTop{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

.ngLeft{min-width: 220px;}
.ngTitle{font-weight:800; font-size:18px; margin-bottom:4px;}

.ngControls{
  display:flex;
  flex-direction:column;
  gap:10px;
  min-width: min(560px, 100%);
}

.ngSelectWrap{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.ngLabel{font-size:12px;}
#puzzleSelect{
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.10);
  padding:10px 12px;
  border-radius: 12px;
  cursor:pointer;
  min-width: 260px;
}

.ngBtnRow{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.tool.active{
  border-color: rgba(122,162,255,0.9);
  box-shadow: inset 0 0 0 1px rgba(122,162,255,0.35);
}

.ngGame{
  margin-top: 14px;
  display:grid;
  /* corner | col clues */
  grid-template-columns: auto 1fr;
  /* row clues | grid */
  grid-template-rows: auto 1fr;
  gap: 10px;
  align-items:start;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
}

/* Corner placeholder matches clue gutters */
.ngCorner{
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
}

.ngColClues{
  display:grid;
  gap: 2px;
}
.ngRowClues{
  display:grid;
  gap: 2px;
}

.clueCell{
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  padding: 6px;
  display:flex;
  gap: 4px;
  color: rgba(233,236,255,0.85);
  font-size: 12px;
  line-height: 1;
  user-select:none;
}

.clueCell.col{
  justify-content:flex-end;
  align-items:flex-end;
  flex-direction:column;
  min-height: 40px;
}

.clueCell.row{
  justify-content:flex-end;
  align-items:center;
  min-width: 80px;
}

.clueCell.done{
  opacity: 0.55;
}

.clueNums{
  display:flex;
  gap: 4px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.clueCell.col .clueNums{
  flex-direction:column;
  align-items:flex-end;
}

.ngGrid{
  display:grid;
  gap: 0;
  border: 2px solid rgba(255,255,255,0.18);
  border-radius: 14px;
  overflow:hidden;
  background: rgba(10,14,30,0.25);
  touch-action: none; /* enable pointer drag painting on mobile */
}

.ngCell{
  border:1px solid rgba(255,255,255,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  user-select:none;
  cursor:pointer;
  font-weight: 900;
}

.ngCell.filled{
  background: rgba(122,162,255,0.25);
}

.ngCell.marked{
  background: rgba(255,255,255,0.03);
  color: rgba(233,236,255,0.70);
}

.ngCell.bad{
  outline: 2px solid rgba(255,107,107,0.7);
  outline-offset: -2px;
}

/* Thicker block separators for readability (5x5 blocks if size>=10) */
.ngCell.blockR{
  border-bottom: 2px solid rgba(255,255,255,0.18);
}
.ngCell.blockC{
  border-right: 2px solid rgba(255,255,255,0.18);
}

.ngStatusRow{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}