/* Inline fraction layout for clear equations */
.frac {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin: 0 2px;
}
.frac .num {
  padding: 0 4px;
}
.frac .den {
  padding: 0 4px;
  border-top: 1px solid #111827;
  margin-top: 2px;
}

/* Table styling */
#tableContainer {
  overflow: auto;
}
.grid-table {
  border-collapse: collapse;
  width: 100%;
}
.grid-table th,
.grid-table td {
  border: 1px solid #e5e7eb;
  padding: 6px;
  text-align: right;
}
.grid-table th {
  background: #f1f5f9;
  text-align: center;
  color: #334155;
  font-weight: 600;
}
.grid-table th[contenteditable="true"] {
  cursor: text;
  background: #eef2ff;
  outline: none;
}
.grid-table tfoot td,
.grid-table .total {
  background: #f8fafc;
  font-weight: 600;
}
.grid-table input {
  width: 90px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #111827;
  text-align: right;
}
.editable-hint {
  margin: 6px 0 10px;
  color: #1e40af;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-left: 4px solid #6366f1;
  padding: 8px 10px;
  border-radius: 6px;
}
.cell-label {
  display: block;
  text-align: right;
  color: #6b7280;
  font-size: 12px;
  margin-top: 4px;
}
.note {
  color: #b45309;
  margin: 10px 6px;
  font-size: 13px;
}
.error {
  color: #ef4444;
}

/* Mini table for expected counts */
.mini-table {
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  padding: 10px;
  background: #ffffff;
  overflow: auto;
}
.mini-table table {
  border-collapse: collapse;
}
.mini-table td {
  border: 1px solid #e5e7eb;
  padding: 4px 6px;
  text-align: right;
}

/* Edit dialog overlay */
.edit-panel {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.edit-panel .edit-dialog {
  width: min(560px, 92vw);
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Chart styling */
.chart-stage {
  position: relative;
}

.chart-stage .chart-placeholder {
  min-height: 360px;
}
.chart-legend {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}
.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: #ffffff;
  color: #111827;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}