.forensic-chemical-card {
  --fbt-bg: #fff;
  --fbt-border: #e2e8f0;
  --fbt-muted: #64748b;
  --fbt-text: #0f172a;
  --fbt-panel-bg: #f8fafc;
  --fbt-panel-border: #e2e8f0;
  --fbt-badge-bg: #f1f5f9;
  --fbt-badge-text: #475569;
  --fbt-primary: #0284c7;
  --fbt-primary-hover: #0369a1;
  --fbt-active: #38bdf8;
  --fbt-viewport-bg: #f1f5f9;
  --fbt-viewport-border: #cbd5e1;
  --fbt-glass-tube: rgba(15, 23, 42, 0.05);
  --fbt-glass-tube-border: rgba(15, 23, 42, 0.2);
  --fbt-bottle-bg: #cbd5e1;
  --fbt-bottle-cap: #475569;

  background: var(--fbt-bg);
  border: 1px solid var(--fbt-border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  color: var(--fbt-text);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.theme-dark .forensic-chemical-card {
  --fbt-bg: #0f172a;
  --fbt-border: rgba(255, 255, 255, 0.08);
  --fbt-muted: #94a3b8;
  --fbt-text: #f8fafc;
  --fbt-panel-bg: rgba(30, 41, 59, 0.4);
  --fbt-panel-border: rgba(255, 255, 255, 0.05);
  --fbt-badge-bg: rgba(255, 255, 255, 0.05);
  --fbt-badge-text: #cbd5e1;
  --fbt-primary: #06b6d4;
  --fbt-primary-hover: #0891b2;
  --fbt-active: #67e8f9;
  --fbt-viewport-bg: #020617;
  --fbt-viewport-border: rgba(255, 255, 255, 0.05);
  --fbt-glass-tube: rgba(255, 255, 255, 0.05);
  --fbt-glass-tube-border: rgba(255, 255, 255, 0.2);
  --fbt-bottle-bg: #334155;
  --fbt-bottle-cap: #1e293b;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.forensic-chemical-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 2.5rem;
}


.btn-toggle-lights {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 38px;
  height: 38px;
  background: var(--fbt-bg);
  border: 1px solid var(--fbt-border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-toggle-lights:hover {
  transform: scale(1.05);
  border-color: var(--fbt-primary);
}

.light-switch-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #f59e0b;
  position: relative;
  transition: all 0.2s ease;
  box-shadow: 0 0 8px #f59e0b;
}

.btn-toggle-lights.lights-off {
  background: #1e293b;
  border-color: #334155;
}

.btn-toggle-lights.lights-off .light-switch-icon {
  background: #94a3b8;
  box-shadow: none;
}

.chemical-workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .chemical-workbench {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.workbench-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fbt-muted);
  margin: 0 0 1rem;
}

.specimen-rack-container {
  background: var(--fbt-panel-bg);
  border: 1px solid var(--fbt-panel-border);
  padding: 1.5rem;
  border-radius: 16px;
}

.specimen-rack {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.specimen-tube {
  background: transparent;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem 0.5rem;
  border-radius: 12px;
  transition: background 0.2s ease, border-color 0.2s ease;
  width: 100%;
}

.specimen-tube:hover {
  background: var(--fbt-bg);
  border-color: var(--fbt-border);
}

.tube-glass {
  width: 20px;
  height: 60px;
  border: 2px solid var(--fbt-glass-tube-border);
  border-top: none;
  border-radius: 0 0 10px 10px;
  position: relative;
  background: var(--fbt-glass-tube);
  display: block;
}

.tube-liquid {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35px;
  border-radius: 0 0 8px 8px;
  display: block;
}

.tube-liquid-blood { background: #dc2626; }
.tube-liquid-rust { background: #b45309; }
.tube-liquid-bleach {
  background: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.8);
}
.tube-liquid-potato {
  background: #ca8a04;
  opacity: 0.6;
}
.tube-liquid-saliva { background: rgba(255, 255, 255, 0.15); }

.tube-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fbt-muted);
  text-align: center;
  overflow-wrap: break-word;
}

.specimen-tube.selected {
  background: var(--fbt-bg);
  border-color: var(--fbt-primary);
}

.specimen-tube.selected .tube-label {
  color: var(--fbt-primary);
}

.reagents-shelf-container {
  background: var(--fbt-panel-bg);
  border: 1px solid var(--fbt-panel-border);
  padding: 1.5rem;
  border-radius: 16px;
}

.reagents-shelf {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.reagent-bottle {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--fbt-bg);
  border: 1px solid var(--fbt-border);
  border-radius: 12px;
  padding: 1rem;
}

.bottle-visual {
  width: 44px;
  height: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex-shrink: 0;
}

.bottle-neck {
  width: 14px;
  height: 14px;
  background: var(--fbt-bottle-cap);
  border-radius: 2px 2px 0 0;
}

.bottle-body {
  width: 40px;
  height: 62px;
  background: var(--fbt-bottle-bg);
  border: 2px solid var(--fbt-glass-tube-border);
  border-radius: 6px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottle-liquid {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0 0 4px 4px;
}

.bottle-km .bottle-liquid { background: rgba(236, 72, 153, 0.15); }
.bottle-h2o2 .bottle-liquid { background: rgba(14, 165, 233, 0.15); }
.bottle-luminol .bottle-liquid { background: rgba(56, 189, 248, 0.1); }

.bottle-label-sticker {
  background: #fff;
  color: #0f172a;
  border: 1px solid #94a3b8;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 2px 4px;
  border-radius: 2px;
  z-index: 2;
}

.reagent-details {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.reagent-name {
  font-size: 0.9rem;
  font-weight: 700;
}

.reagent-desc {
  font-size: 0.75rem;
  color: var(--fbt-muted);
}

.btn-dispense-fluid {
  background: var(--fbt-panel-bg);
  border: 1px solid var(--fbt-border);
  color: var(--fbt-text);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-dispense-fluid:hover {
  background: var(--fbt-primary);
  color: #fff;
  border-color: var(--fbt-primary);
}

.workbench-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.workbench-viewport {
  background: var(--fbt-viewport-bg);
  border: 1px solid var(--fbt-viewport-border);
  border-radius: 16px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.workbench-viewport.workbench-lights-off {
  background-color: #000;
  border-color: #1e293b;
}

.petri-dish {
  width: 180px;
  height: 180px;
  border: 3px solid var(--fbt-glass-tube-border);
  border-radius: 50%;
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.workbench-viewport.workbench-lights-off .petri-dish {
  border-color: rgba(255, 255, 255, 0.1);
}

.petri-specimen {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background-color: transparent;
  filter: blur(12px);
  transition: all 0.4s ease;
}

.specimen-texture-overlay {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  opacity: 0.1;
  background-size: cover;
  pointer-events: none;
}

.chemical-drop {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 12px;
  background: #38bdf8;
  border-radius: 50% / 70% 70% 30% 30%;
  opacity: 0;
  pointer-events: none;
}

.chemical-drop.animating {
  animation: dripAnimation 0.5s cubic-bezier(0.5, 0, 0.7, 0.2) forwards;
}

@keyframes dripAnimation {
  0% {
    top: 20px;
    opacity: 1;
    transform: translateX(-50%) scaleY(1.2);
  }
  90% {
    top: 130px;
    opacity: 0.8;
  }
  100% {
    top: 140px;
    opacity: 0;
    transform: translateX(-50%) scale(0);
  }
}

.analysis-console {
  background: var(--fbt-panel-bg);
  border: 1px solid var(--fbt-panel-border);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--fbt-border);
  padding-bottom: 0.75rem;
}

.status-indicator-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.console-label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fbt-muted);
}

.status-badge {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
}

.status-true-positive {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.status-false-positive {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.status-negative {
  background: var(--fbt-badge-bg);
  color: var(--fbt-badge-text);
}

.btn-clear-lab {
  background: var(--fbt-bg);
  border: 1px solid var(--fbt-border);
  color: var(--fbt-text);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-clear-lab:hover {
  background: var(--fbt-panel-border);
}

.console-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.indicator-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.reaction-explanation-panel {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--fbt-text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.stat-cell {
  background: var(--fbt-bg);
  border: 1px solid var(--fbt-border);
  padding: 0.85rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--fbt-muted);
}

.stat-value {
  font-size: 1rem;
  font-weight: 800;
}