/* ═══════════════════════════════════════════════
   LAB WORKSPACE — Scoped for #lab-workspace
   Replace or augment existing lab.css in each build.
   Layout is isolated under #lab-workspace so it
   cannot leak into the rest of the game shell.
   ════════════════════════════════════════════════ */

/* ── List/Grid Toggle ── */
#lab-workspace .lab-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
#lab-workspace .section-title {
  font-size: 1rem;
  color: var(--gold);
  margin: 0 0 2px;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
}
#lab-workspace .lab-view-toggle {
  appearance: none;
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  font-size: 0.8rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}
#lab-workspace .lab-view-toggle:hover {
  background: var(--surface3);
  color: var(--text);
  border-color: var(--gold);
}
#lab-workspace .lab-view-toggle:active {
  transform: scale(0.95);
}

/* ── List/Grid view overrides ── */
#lab-workspace.lab-list-view .tab-panel {
  display: block;
}
#lab-workspace.lab-grid-view .tab-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: start;
}
#lab-workspace.lab-grid-view .tab-panel > * {
  grid-column: 1;
}
#lab-workspace.lab-grid-view .tab-panel > .card-pool-grid,
#lab-workspace.lab-grid-view .tab-panel > .trash-archive-box.card-pool-grid {
  grid-column: 2;
}

/* ── Evidence card base ── */
#lab-workspace .ev-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s, opacity 0.15s;
  position: relative;
  user-select: none;
}

#lab-workspace .ev-card:hover {
  border-color: var(--blue);
  background: var(--surface3);
}

#lab-workspace .ev-card:active {
  transform: scale(0.97);
}

#lab-workspace .ev-card.selected {
  border-color: var(--blue);
  background: rgba(79, 163, 232, 0.15);
}

#lab-workspace .ev-card.correct-flash {
  border-color: var(--green);
  background: rgba(61, 214, 140, 0.2);
  animation: lw-flash-green 0.6s ease;
}

#lab-workspace .ev-card.wrong-flash {
  border-color: var(--red);
  background: rgba(244, 96, 96, 0.2);
  animation: lw-flash-red 0.6s ease;
}

#lab-workspace .ev-card.dragging {
  opacity: 0.4;
  transform: scale(0.95);
}

@keyframes lw-flash-green {
  0%, 100% { border-color: var(--green); background: rgba(61, 214, 140, 0.2); }
  50% { border-color: var(--green); background: rgba(61, 214, 140, 0.4); }
}

@keyframes lw-flash-red {
  0%, 100% { border-color: var(--red); background: rgba(244, 96, 96, 0.2); }
  50% { border-color: var(--red); background: rgba(244, 96, 96, 0.4); }
}

/* ── Info button on cards ── */
#lab-workspace .ev-info-btn {
  appearance: none;
  background: var(--surface3);
  color: var(--text-muted);
  border: 1px solid var(--border2);
  border-radius: 999px;
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  font-size: 0.65rem;
  font-weight: 800;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}

#lab-workspace .ev-info-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ── Comparator slots ── */
#lab-workspace .comparator-slot {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

#lab-workspace .comparator-slot.filled {
  border-style: solid;
  border-color: var(--gold);
  background: rgba(245, 200, 66, 0.08);
}

#lab-workspace .comparator-slot.drop-hover {
  border-color: var(--gold) !important;
  border-style: dotted !important;
  background: rgba(245, 200, 66, 0.12) !important;
}

#lab-workspace .comparator-slot.correct {
  border-color: var(--green);
  background: rgba(61, 214, 140, 0.1);
}

#lab-workspace .comparator-slot.wrong {
  border-color: var(--red);
  background: rgba(244, 96, 96, 0.1);
}

/* ── Folder trays ── */
#lab-workspace .folder-tray {
  border: 1.5px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 8px;
  transition: border-color 0.2s, background 0.2s;
}

#lab-workspace .folder-tray.drop-hover {
  border-color: var(--gold) !important;
  border-style: dotted !important;
  background: rgba(245, 200, 66, 0.12) !important;
}

#lab-workspace .folder-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

#lab-workspace .folder-header-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Timeline steps ── */
#lab-workspace .timeline-step {
  border: 1.5px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 8px;
  transition: border-color 0.2s, background 0.2s;
}

#lab-workspace .timeline-step.filled {
  border-color: var(--gold);
  border-style: solid;
  background: rgba(245, 200, 66, 0.06);
}

#lab-workspace .timeline-step.drop-hover {
  border-color: var(--gold) !important;
  border-style: dotted !important;
  background: rgba(245, 200, 66, 0.12) !important;
}

#lab-workspace .timeline-step.correct {
  border-color: var(--green);
  background: rgba(61, 214, 140, 0.1);
}

#lab-workspace .timeline-step.wrong {
  border-color: var(--red);
  background: rgba(244, 96, 96, 0.1);
}

#lab-workspace .step-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

#lab-workspace .step-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
}

#lab-workspace .step-hint {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

#lab-workspace .step-cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 36px;
}

/* ── Desk stations ── */
#lab-workspace .desk-station {
  border: 1.5px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
  transition: border-color 0.2s, background 0.2s;
}

#lab-workspace .desk-station.drop-hover {
  border-color: var(--gold) !important;
  border-style: dotted !important;
  background: rgba(245, 200, 66, 0.12) !important;
}

/* ── Drop zone hover (yellow dotted border) ── */
#lab-workspace .comparator-slot.drop-hover,
#lab-workspace .folder-tray.drop-hover,
#lab-workspace .timeline-step.drop-hover,
#lab-workspace .desk-station.drop-hover {
  border-style: dotted !important;
  border-width: 2px !important;
  border-color: var(--gold) !important;
  background: rgba(245, 200, 66, 0.12) !important;
}

/* ── Feedback ── */
#lab-workspace .lw-feedback {
  font-size: 0.78rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

#lab-workspace .lw-feedback.success {
  border-color: var(--green);
  color: var(--green);
  background: rgba(61, 214, 140, 0.08);
}

#lab-workspace .lw-feedback.error {
  border-color: var(--red);
  color: var(--red);
  background: rgba(244, 96, 96, 0.08);
}

/* ── Modal ── */
#lab-workspace .modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  place-items: center;
}

#lab-workspace .modal-mask.open {
  display: grid;
}

#lab-workspace .modal-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 360px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

#lab-workspace .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

#lab-workspace .modal-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

#lab-workspace .modal-close {
  appearance: none;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
}

#lab-workspace .modal-body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

#lab-workspace .detail-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.78rem;
  padding: 8px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
}

#lab-workspace .detail-row strong {
  color: var(--gold);
  flex-shrink: 0;
}

/* ── Card pool grid ── */
#lab-workspace .card-pool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

/* ── Actions bar ── */
#lab-workspace .actions-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 8px 0;
  width: 100%;
}

#lab-workspace .btn-secondary {
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s;
}

#lab-workspace .btn-secondary:hover {
  background: var(--surface2);
}

#lab-workspace .btn-submit {
  background: var(--gold);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  color: var(--bg);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}

#lab-workspace .btn-submit:hover {
  opacity: 0.85;
}

/* ── Trash archive ── */
#lab-workspace .trash-archive-box {
  max-height: 120px;
  overflow-y: auto;
}
/* ── Tab panels ── */
#lab-workspace .tab-panel {
  display: none;
}

#lab-workspace .tab-panel.active {
  display: block;
}

/* ── Lab action buttons ── */
#lab-workspace .lab-btn {
  background: var(--surface3);
  color: var(--text);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, transform 0.15s, border-color 0.15s;
}

#lab-workspace .lab-btn:hover:not([aria-disabled="true"]) {
  background: var(--lw-surface3);
  color: var(--lw-gold);
}

#lab-workspace .lab-btn:active:not([aria-disabled="true"]) {
  transform: scale(0.95);
}

#lab-workspace .lab-btn.active {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}

#lab-workspace .lab-btn.active .lab-btn-label,
#lab-workspace .lab-btn.active .lab-btn-icon {
  color: var(--lw-text);
}

#lab-workspace .lab-btn.active:hover .lab-btn-label, 
#lab-workspace .lab-btn.active:hover .lab-btn-icon  {
  color: var(--gold-text);
}



#lab-workspace .lab-btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

#lab-workspace .lab-btn-icon {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#lab-workspace .lab-btn-label {
  font-size: 0.68rem;
  font-weight: 700;
}

/* ── Comparator stage ── */
#lab-workspace .comparator-stage {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 10px;
}

#lab-workspace .comparator-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ── Desk stage (contradict panel) ── */
#lab-workspace .desk-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}


/* ── Slot label ── */
#lab-workspace .slot-label {
      font-size: 0.68rem;
    font-weight: 700;
    text-align: center;
  color: #4a5568;
  
}


#lab-workspace .slot-label .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;
}

/* ── Evidence A/B badge in bank ── */
#lab-workspace .ev-card .sel-badge {
  position: absolute;
  top: 3px;
  right: 4px;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--bg);
  border-radius: 3px;
  padding: 0 3px;
  line-height: 1.4;
  z-index: 1;
}

#lab-workspace .ev-card .sel-badge-a {
  background: var(--blue);
}

#lab-workspace .ev-card .sel-badge-b {
  background: var(--gold);
}

#lab-workspace .actions-bar > :only-child {
  grid-column: 1 / -1;
}

#lab-workspace .card-name {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--lw-text);
  text-align: center;
}