.optimizer-v2-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
}

.optimizer-v2-hero h2,
.optimizer-v2-controls h2 {
  margin-top: 0;
}

.optimizer-v2-layout {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.optimizer-v2-controls {
  display: grid;
  gap: 14px;
}

.optimizer-v2-controls .panel {
  margin: 0;
}

.optimizer-v2-output {
  min-width: 0;
}

.optimizer-control-panel {
  display: grid;
  gap: 16px;
}

.optimizer-control-panel > h2 {
  margin-bottom: 0;
}

.optimizer-control-group {
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border, #2b2b2b);
}

.optimizer-control-group h3 {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted, #929292);
}

.optimizer-element-grid,
.optimizer-v2-constraints {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.optimizer-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid var(--border, #333);
  padding: 8px 10px;
  cursor: pointer;
}

.optimizer-choice-wide {
  grid-column: 1 / -1;
}

.optimizer-choice input {
  margin: 0;
}

.optimizer-segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--border, #333);
}

.optimizer-segmented label {
  position: relative;
  min-width: 0;
}

.optimizer-segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.optimizer-segmented span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 7px 8px;
  border-right: 1px solid var(--border, #333);
  text-align: center;
  font-size: .78rem;
  cursor: pointer;
}

.optimizer-segmented label:last-child span {
  border-right: 0;
}

.optimizer-segmented input:checked + span {
  background: #dc2636;
  color: #fff;
}

.optimizer-segmented input:focus-visible + span {
  outline: 2px solid #fff;
  outline-offset: -3px;
}

.optimizer-constraint-builder {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(88px, .65fr) auto;
  gap: 8px;
  align-items: end;
  margin-top: 4px;
}

.optimizer-constraint-builder .field[hidden] {
  display: none;
}

.optimizer-active-constraints {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.optimizer-constraint-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border, #333);
  padding: 6px 8px;
  font-size: .78rem;
}

.optimizer-constraint-chip button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 0 2px;
}

.optimizer-run-main {
  width: 100%;
  min-height: 58px;
  font-size: 1rem;
}

#optimizer-results {
  display: grid;
  gap: 14px;
}

.optimizer-v2-result-card {
  border: 1px solid var(--border, #3a3a3a);
  background: var(--panel, #111);
  padding: 16px;
  display: grid;
  gap: 14px;
}

.optimizer-v2-result-card > header {
  display: flex;
  gap: 14px;
  align-items: center;
}

.optimizer-v2-result-card > header div {
  display: grid;
}

.optimizer-v2-result-card > header strong {
  font-size: 1.7rem;
}

.optimizer-v2-turns,
.optimizer-v2-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.optimizer-v2-turns span,
.optimizer-v2-stats span {
  border: 1px solid var(--border, #333);
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.optimizer-v2-gear {
  columns: 2;
  margin-bottom: 0;
}

.optimizer-v2-open-workshop {
  justify-self: start;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  padding: 10px 14px;
  cursor: pointer;
}

.optimizer-v2-open-workshop:hover,
.optimizer-v2-open-workshop:focus-visible {
  background: #dc2636;
  color: #fff;
}

/* Tranche 4 — Atelier refinement controls. */
.workshop-hero-controls {
  display: grid;
  gap: 10px;
  min-width: 240px;
}

.workshop-find-better-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.workshop-find-better-actions button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--workshop-line, #292b2a);
  background: #0b0c0c;
  color: var(--workshop-paper, #cccfca);
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
  cursor: pointer;
}

.workshop-find-better-actions .primary {
  border-color: var(--workshop-red, #dc2636);
  background: var(--workshop-red, #dc2636);
  color: #fff;
}

.workshop-find-better-actions button:disabled {
  opacity: .42;
  cursor: not-allowed;
}

.workshop-slot.is-locked {
  border-color: var(--workshop-red, #dc2636);
  box-shadow: inset 0 0 0 1px rgba(220, 38, 54, .25);
}

.workshop-slot-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  margin-top: 2px;
}

.workshop-slot-actions button,
.workshop-slot-actions .workshop-slot-remove {
  position: static;
  width: auto;
  height: 25px;
  min-width: 0;
  padding: 3px 6px;
  border: 1px solid var(--workshop-line, #292b2a);
  border-radius: 0;
  background: #0b0b0b;
  color: var(--workshop-muted, #858a86);
  font: inherit;
  font-size: .62rem;
  font-weight: 800;
  cursor: pointer;
}

.workshop-slot-actions .workshop-slot-lock[aria-pressed="true"] {
  border-color: var(--workshop-red, #dc2636);
  color: #fff;
  background: #5b1119;
}

.workshop-slot-actions .workshop-slot-reject:hover,
.workshop-slot-actions .workshop-slot-reject:focus-visible,
.workshop-slot-actions .workshop-slot-remove:hover,
.workshop-slot-actions .workshop-slot-remove:focus-visible {
  border-color: var(--workshop-red, #dc2636);
  color: var(--workshop-red, #dc2636);
}

@media (max-width: 900px) {
  .optimizer-v2-hero,
  .optimizer-v2-layout {
    display: grid;
    grid-template-columns: 1fr;
  }

  .optimizer-element-grid,
  .optimizer-v2-constraints,
  .optimizer-constraint-builder,
  .optimizer-segmented {
    grid-template-columns: 1fr;
  }

  .optimizer-segmented span {
    border-right: 0;
    border-bottom: 1px solid var(--border, #333);
  }

  .optimizer-segmented label:last-child span {
    border-bottom: 0;
  }

  .optimizer-v2-gear {
    columns: 1;
  }
}