.seq-mode-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.seq-mode-row select {
  min-width: 240px;
}

.seq-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.seq-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.seq-field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.seq-field input,
.seq-field select {
  padding: 8px 10px;
  border: 1px solid var(--border-color, #d3d7db);
  border-radius: 6px;
  background-color: var(--surface-elevated, #fff);
}

.seq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.seq-error {
  margin-top: 12px;
  color: #b91c1c;
  font-weight: 600;
}

.seq-results-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.seq-results-grid h2,
.seq-results-grid h3 {
  margin-top: 0;
}

.seq-result-box {
  min-height: 60px;
}

.seq-result-box p {
  margin: 0;
  font-size: 1.1rem;
}

.seq-warning {
  color: #b45309;
  font-size: 0.9rem;
  font-weight: 600;
}

.seq-feedback {
  margin-top: 8px;
  font-size: 0.9rem;
  color: #2563eb;
}

.seq-table-heading {
  font-weight: 600;
  margin: 12px 0 8px;
}

.seq-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.seq-table th,
.seq-table td {
  border: 1px solid var(--border-color, #d3d7db);
  padding: 8px 10px;
  text-align: right;
}

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

.seq-copy-btn {
  margin-top: 10px;
}

@media (max-width: 900px) {
  .seq-results-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}