/* Biological Sciences Laboratory Theme: Emerald / Chlorophyll Bio Palette */
:root {
  --bio-primary: #059669;
  --bio-primary-dark: #047857;
  --bio-primary-deep: #064e3b;
  --bio-primary-ultra: #022c22;
  --bio-accent: #10b981;
  --bio-tint: #d1fae5;
  --bio-tint-light: #ecfdf5;
  --bio-border: #a7f3d0;
  --bio-text: #0f172a;
  --bio-text-muted: #475569;
}

.lab-navigation {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0 28px;
}
.lab-navigation a {
  font-size: 11px;
  padding: 8px 13px;
  background: var(--bio-tint-light);
  border: 1px solid var(--bio-border);
  border-radius: 4px;
  text-decoration: none;
  color: var(--bio-primary-deep);
  font-weight: 500;
  transition: all 0.15s ease;
}
.lab-navigation a:hover {
  background: var(--bio-tint);
  border-color: var(--bio-primary);
  color: var(--bio-primary-ultra);
}

.new-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  border: 1px solid var(--bio-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(6, 78, 59, 0.06);
  margin-bottom: 30px;
  background: #ffffff;
}
@media (max-width: 860px) {
  .new-workbench {
    grid-template-columns: 1fr;
  }
}

.new-visual {
  background: #022c22;
  color: #ecfdf5;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: 1px solid #064e3b;
}
.new-visual .visual-top {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #064e3b;
  background: #064e3b;
}
.new-visual .visual-badge {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a7f3d0;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.new-visual .visual-badge::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.new-visual .sim-mode-switcher {
  display: flex;
  background: #011b15;
  border: 1px solid #064e3b;
  border-radius: 4px;
  padding: 2px;
}
.new-visual .sim-mode-btn {
  background: transparent;
  border: none;
  color: #a7f3d0;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 4px;
}
.new-visual .sim-mode-btn.active {
  background: var(--bio-primary);
  color: #ffffff;
  font-weight: 600;
}

.new-visual .visual-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  min-height: 330px;
  background: radial-gradient(circle at center, #064e3b 0%, #011b15 100%);
  position: relative;
}
.new-visual .visual-screen svg {
  max-width: 100%;
  max-height: 320px;
  width: 100%;
}

.new-visual .new-meter {
  padding: 12px 18px;
  background: #011b15;
  border-top: 1px solid #064e3b;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.new-meter small {
  font-size: 10px;
  text-transform: uppercase;
  color: #6ee7b7;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 2px;
}
.new-meter strong {
  font-family: 'SF Mono', Menlo, Consolas, Monaco, monospace;
  font-size: 18px;
  font-weight: 700;
  color: #ecfdf5;
}

.new-controls {
  padding: 18px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.new-controls label {
  font-size: 12px;
  font-weight: 600;
  color: var(--bio-primary-deep);
}
.new-controls output {
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--bio-primary-deep);
  margin-bottom: 4px;
  display: block;
}
.new-controls input[type="range"] {
  width: 100%;
  accent-color: var(--bio-primary);
  cursor: pointer;
}
.new-controls input[type="number"] {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.new-controls .primary {
  background: var(--bio-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
  transition: background 0.15s ease;
}
.new-controls .primary:hover {
  background: var(--bio-primary-dark);
}
.new-controls .primary:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.new-controls .secondary {
  background: var(--bio-tint-light);
  color: var(--bio-primary-deep);
  border: 1px solid var(--bio-border);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
  transition: all 0.15s ease;
}
.new-controls .secondary:hover {
  background: var(--bio-tint);
  border-color: var(--bio-primary);
}
.new-controls .secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.trial-status {
  font-size: 11px;
  color: #64748b;
  margin: 4px 0 0;
  line-height: 1.4;
}
.trial-status.error {
  color: #dc2626;
}

.data-notice {
  font-size: 12px;
  line-height: 1.5;
  color: #475569;
  background: #f8fafc;
  border-left: 3px solid var(--bio-primary);
  padding: 10px 14px;
  border-radius: 0 4px 4px 0;
  margin-top: 14px;
}

.lab-section {
  margin: 36px 0;
}
.lab-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--bio-primary-ultra);
  margin: 0 0 16px;
}
.lab-section .eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--bio-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.apparatus-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.apparatus-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 14px 16px;
  border-top: 3px solid var(--bio-primary);
}
.apparatus-item h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--bio-primary-deep);
  margin: 0 0 6px;
}
.apparatus-item p {
  font-size: 12px;
  color: #475569;
  margin: 0;
  line-height: 1.5;
}

.method-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.method-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 14px 18px;
}
.method-step .step-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--bio-primary);
  text-transform: uppercase;
}
.method-step h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--bio-primary-ultra);
  margin: 0 0 4px;
}
.method-step p {
  font-size: 12px;
  color: #475569;
  margin: 0;
  line-height: 1.5;
}

.lab-result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}
@media (max-width: 800px) {
  .lab-result-grid {
    grid-template-columns: 1fr;
  }
}
.chart-card, .fit-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
}
.chart-card svg {
  width: 100%;
  height: 240px;
}
.chart-card p {
  font-size: 11px;
  color: #64748b;
  margin: 8px 0 0;
}
.fit-card .report-equation {
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 14px;
  color: var(--bio-primary-deep);
  background: var(--bio-tint-light);
  padding: 8px 12px;
  border-radius: 4px;
  margin: 10px 0;
  border: 1px solid var(--bio-border);
}

.table-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}
.table-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.table-card th, .table-card td {
  padding: 8px 14px;
  text-align: left;
  border-bottom: 1px solid #f1f5f9;
}
.table-card th {
  background: #f8fafc;
  color: #334155;
  font-weight: 600;
}
.table-card tr:hover td {
  background: var(--bio-tint-light);
}

.quiz-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 14px;
}
.quiz-card h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--bio-primary-ultra);
  margin: 0 0 10px;
}
.quiz-card .options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quiz-option {
  padding: 8px 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.15s ease;
}
.quiz-option:hover {
  background: var(--bio-tint-light);
  border-color: var(--bio-border);
}
.quiz-option.correct {
  background: #dcfce7;
  border-color: #86efac;
  color: #166534;
}
.quiz-option.wrong {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #991b1b;
}
.quiz-feedback {
  font-size: 12px;
  color: #047857;
  margin: 8px 0 0;
  line-height: 1.4;
}