.punnett-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

@media (min-width: 960px) {
  .punnett-grid {
    grid-template-columns: 1fr 1fr;
  }
  .punnett-span-2 {
    grid-column: 1 / -1;
  }
}

.punnett-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.punnett-tabs .button {
  flex: 1 1 180px;
}

.punnett-parent-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 520px) {
  .punnett-parent-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.punnett-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.punnett-presets .button {
  padding: 8px 10px;
}

.punnett-inline-note {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(2, 6, 23, 0.03);
}

.punnett-preview-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-weight: 700;
  font-size: 1.05em;
  letter-spacing: 0.01em;
}

.punnett-preview-note {
  color: rgba(0, 0, 0, 0.62);
}

.error-text {
  color: #b91c1c;
  font-size: 0.95rem;
  min-height: 1.1em;
  margin-top: 4px;
}

.input.is-valid {
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.55) inset;
  background: rgba(236, 253, 245, 0.55);
}
:root.dark .input.is-valid { background: rgba(0, 70, 40, 0.2); }

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}

.table th,
.table td {
  border-bottom: 1px solid var(--border);
  padding: 6px 8px;
  text-align: right;
}

.table th:first-child,
.table td:first-child {
  text-align: left;
}

.punnett-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.punnett-table-wrap.is-scrollable::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1));
}

:root.dark .punnett-table-wrap.is-scrollable::after {
  background: linear-gradient(to right, rgba(2, 6, 23, 0), rgba(2, 6, 23, 0.92));
}

.punnett-scroll-hint {
  min-height: 1.2em;
  margin-top: 6px;
  color: var(--muted);
}

.punnett-table-wrap.is-compact .punnett-cell {
  font-size: 0.9em;
  padding: 8px 6px;
}

.punnett-table.table {
  table-layout: fixed;
}

.punnett-table th {
  font-weight: 650;
  background: var(--surface-50, #f8fafc);
}

.punnett-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

.punnett-table th,
.punnett-table td {
  padding: 10px 8px;
}

.punnett-table th,
.punnett-table td {
  text-align: center;
  vertical-align: middle;
}

.punnett-cell {
  width: 100%;
  display: block;
  font: inherit;
  padding: 10px 8px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.punnett-cell:hover {
  border-color: rgba(0, 0, 0, 0.28);
}

.punnett-cell:focus-visible {
  outline: 2px solid #0b57d0;
  outline-offset: 2px;
}

.punnett-cell.is-selected {
  outline: 2px solid #0b57d0;
  outline-offset: 2px;
}

.punnett-summary-table tbody tr.is-selected {
  background: var(--accent-50);
  box-shadow: inset 3px 0 0 var(--accent);
}

.punnett-summary-table thead th {
  font-weight: 650;
  background: rgba(2, 6, 23, 0.03);
}

:root.dark .punnett-summary-table thead th {
  background: rgba(255, 255, 255, 0.04);
}

.punnett-summary-table tbody tr:not(.is-selected):hover {
  background: rgba(2, 6, 23, 0.03);
}

:root.dark .punnett-summary-table tbody tr:not(.is-selected):hover {
  background: rgba(255, 255, 255, 0.04);
}

.punnett-summary-pick {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

.punnett-summary-pick:hover { text-decoration: none; }

.punnett-summary-pick:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
  text-decoration: none;
}

.punnett-kpi {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}

@media (min-width: 960px) {
  .punnett-kpi {
    grid-template-columns: 1fr 1fr;
  }
}

.punnett-kpi .kpi-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
}

.punnett-kpi .kpi-value {
  font-weight: 700;
}

.punnett-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.punnett-actions .button {
  flex: 1 1 160px;
}

.punnett-status {
  min-height: 1.2em;
  margin-top: 8px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}