/* Molecular biology lab - scoped to .molbio-lab */

.molbio-lab {
  --molbio-accent: var(--chip-biology);
  --molbio-accent-2: #2d9b68;
  --molbio-muted: var(--color-text-muted);
  --molbio-a: #4caf50;
  --molbio-t: #e05555;
  --molbio-u: #ff8a65;
  --molbio-g: #5c9bd5;
  --molbio-c: #f4d06f;
  max-width: 960px;
  font-family: var(--font-body);
}

.molbio-lab__header {
  margin-bottom: var(--space-6);
}

.molbio-lab__eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--molbio-accent);
  margin-bottom: var(--space-2);
}

.molbio-lab__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.molbio-lab__intro {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--molbio-muted);
  max-width: 64ch;
}

.molbio-lab__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.molbio-lab__tab {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: oklch(from var(--color-text) l c h / 0.04);
  color: var(--molbio-muted);
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.molbio-lab__tab:hover {
  color: var(--color-text);
  border-color: oklch(from var(--molbio-accent) l c h / 0.45);
}

.molbio-lab__tab[aria-selected="true"] {
  color: var(--color-bg);
  background: linear-gradient(125deg, oklch(from var(--molbio-accent) l c h / 0.88), var(--molbio-accent-2));
  border-color: transparent;
  box-shadow: 0 0 20px oklch(from var(--molbio-accent) l c h / 0.2);
}

.molbio-lab__tab:focus-visible {
  outline: 2px solid var(--molbio-accent);
  outline-offset: 2px;
}

.molbio-lab__panel {
  display: none;
  animation: molbio-lab-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.molbio-lab__panel.is-active {
  display: block;
}

@keyframes molbio-lab-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .molbio-lab__panel {
    animation: none;
  }
}

.molbio-lab__section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.molbio-lab__rep-grid,
.molbio-lab__tt-grid,
.molbio-lab__mutation-grid,
.molbio-lab__lookup-grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.molbio-lab__rep-grid,
.molbio-lab__mutation-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.molbio-lab__tt-grid,
.molbio-lab__lookup-grid {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
}

.molbio-lab__card {
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  background:
    radial-gradient(circle at top right, oklch(from var(--molbio-accent) l c h / 0.08), transparent 38%),
    oklch(from var(--color-text) l c h / 0.03);
}

.molbio-lab__card--stage {
  background:
    radial-gradient(circle at 25% 20%, rgba(92, 155, 213, 0.14), transparent 34%),
    radial-gradient(circle at 72% 80%, rgba(244, 208, 111, 0.12), transparent 30%),
    oklch(from var(--color-text) l c h / 0.02);
}

.molbio-lab__card--wide {
  grid-column: 1 / -1;
}

.molbio-lab__card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}

.molbio-lab__canvas {
  display: block;
  width: 100%;
  border-radius: calc(var(--radius-xl) - 0.35rem);
  border: 1px solid oklch(from var(--molbio-accent) l c h / 0.14);
  background: rgba(10, 22, 28, 0.92);
}

.molbio-lab__canvas--replication {
  height: 320px;
}

.molbio-lab__stat-grid,
.molbio-lab__case-top,
.molbio-lab__field-grid,
.molbio-lab__compare-grid {
  display: grid;
  gap: var(--space-3);
}

.molbio-lab__stat-grid,
.molbio-lab__case-top {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--space-4);
}

.molbio-lab__field-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--space-4);
}

.molbio-lab__compare-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: var(--space-4);
}

.molbio-lab__stat-label,
.molbio-lab__field-label,
.molbio-lab__mini-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.35rem;
}

.molbio-lab__prompt,
.molbio-lab__hint,
.molbio-lab__impact-card p,
.molbio-lab__lookup-empty,
.molbio-lab__lookup-row span {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--molbio-muted);
}

.molbio-lab__prompt {
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.molbio-lab__sequence-card,
.molbio-lab__impact-card,
.molbio-lab__lookup-card,
.molbio-lab__lookup-row {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.molbio-lab__sequence-card + .molbio-lab__sequence-card {
  margin-top: var(--space-3);
}

.molbio-lab__sequence-row,
.molbio-lab__protein-row,
.molbio-lab__choice-grid,
.molbio-lab__nt-grid,
.molbio-lab__guess-grid,
.molbio-lab__lookup-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.molbio-lab__sequence-row--mono {
  font-family: var(--font-mono);
}

.molbio-lab__seq-base,
.molbio-lab__seq-gap,
.molbio-lab__codon-chip,
.molbio-lab__protein-chip,
.molbio-lab__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  min-height: 2.1rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}

.molbio-lab__seq-base,
.molbio-lab__codon-chip,
.molbio-lab__protein-chip,
.molbio-lab__badge {
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.04);
}

.molbio-lab__seq-gap {
  color: var(--color-text-faint);
  background: transparent;
}

.molbio-lab__seq-base.is-current,
.molbio-lab__codon-chip.is-current,
.molbio-lab__protein-chip.is-current {
  box-shadow: 0 0 0 1px var(--molbio-accent), 0 0 18px oklch(from var(--molbio-accent) l c h / 0.18);
}

.molbio-lab__seq-base.is-muted {
  opacity: 0.45;
}

.molbio-lab__seq-base--A,
.molbio-lab__nt-btn--A,
.molbio-lab__choice--A {
  background: oklch(from var(--molbio-a) l c h / 0.18);
  border-color: oklch(from var(--molbio-a) l c h / 0.35);
}

.molbio-lab__seq-base--T,
.molbio-lab__nt-btn--T,
.molbio-lab__choice--T {
  background: oklch(from var(--molbio-t) l c h / 0.16);
  border-color: oklch(from var(--molbio-t) l c h / 0.35);
}

.molbio-lab__seq-base--U,
.molbio-lab__choice--U {
  background: oklch(from var(--molbio-u) l c h / 0.18);
  border-color: oklch(from var(--molbio-u) l c h / 0.35);
}

.molbio-lab__seq-base--G,
.molbio-lab__nt-btn--G,
.molbio-lab__choice--G {
  background: oklch(from var(--molbio-g) l c h / 0.18);
  border-color: oklch(from var(--molbio-g) l c h / 0.35);
}

.molbio-lab__seq-base--C,
.molbio-lab__nt-btn--C,
.molbio-lab__choice--C {
  background: oklch(from var(--molbio-c) l c h / 0.22);
  border-color: oklch(from var(--molbio-c) l c h / 0.34);
}

.molbio-lab__codon-chip--start {
  background: oklch(from var(--molbio-a) l c h / 0.18);
  border-color: var(--molbio-a);
}

.molbio-lab__codon-chip--stop,
.molbio-lab__protein-chip--stop,
.molbio-lab__badge--stop {
  background: oklch(from var(--molbio-t) l c h / 0.16);
  border-color: var(--molbio-t);
}

.molbio-lab__protein-empty {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.molbio-lab__text-input,
.molbio-lab__select {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.7rem 0.85rem;
  font-size: var(--text-sm);
}

.molbio-lab__text-input--mono {
  font-family: var(--font-mono);
}

.molbio-lab__text-input:focus,
.molbio-lab__select:focus {
  outline: 2px solid var(--molbio-accent);
  outline-offset: 2px;
}

.molbio-lab__choice,
.molbio-lab__nt-btn,
.molbio-lab__guess-btn,
.molbio-lab__btn {
  font-family: var(--font-body);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.molbio-lab__choice,
.molbio-lab__guess-btn {
  padding: 0.75rem 0.95rem;
  text-align: left;
  display: grid;
  gap: 0.15rem;
  min-width: 10rem;
}

.molbio-lab__choice strong {
  font-size: var(--text-sm);
}

.molbio-lab__choice span {
  font-size: var(--text-xs);
  color: var(--molbio-muted);
}

.molbio-lab__nt-btn {
  min-width: 3rem;
  min-height: 3rem;
  justify-content: center;
  font-size: var(--text-base);
  font-weight: 700;
}

.molbio-lab__choice:hover,
.molbio-lab__nt-btn:hover,
.molbio-lab__guess-btn:hover,
.molbio-lab__btn:hover {
  border-color: oklch(from var(--molbio-accent) l c h / 0.5);
  transform: translateY(-1px);
}

.molbio-lab__btn {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.55rem 1.05rem;
}

.molbio-lab__btn--primary {
  background: oklch(from var(--molbio-accent) l c h / 0.18);
  border-color: var(--molbio-accent);
}

.molbio-lab__btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.molbio-lab__timer-rail {
  height: 0.8rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: oklch(from var(--color-text) l c h / 0.08);
  margin-bottom: var(--space-4);
}

.molbio-lab__timer-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--molbio-a), var(--molbio-g));
  transition: width 0.08s linear;
}

.molbio-lab__feedback {
  min-height: 1.5rem;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

.molbio-lab__feedback--ok {
  color: var(--molbio-accent);
}

.molbio-lab__feedback--no {
  color: var(--lab-error);
}

.molbio-lab__note {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--molbio-muted);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  background: oklch(from var(--molbio-accent) l c h / 0.08);
}

.molbio-lab__codon-reference {
  display: grid;
  gap: var(--space-3);
  max-height: 560px;
  overflow: auto;
  padding-right: 0.25rem;
}

.molbio-lab__codon-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(4.75rem, 1fr));
  gap: var(--space-2);
}

.molbio-lab__codon-group h4 {
  grid-column: 1 / -1;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: 0.15rem;
}

.molbio-lab__codon-cell {
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  display: grid;
  gap: 0.15rem;
}

.molbio-lab__codon-cell strong {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.molbio-lab__codon-cell span {
  font-size: 0.72rem;
  color: var(--molbio-muted);
}

.molbio-lab__lookup-output {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.molbio-lab__lookup-card,
.molbio-lab__lookup-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}

.molbio-lab__lookup-row strong {
  min-width: 3rem;
}

.molbio-lab__impact-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: 0.35rem;
}

.molbio-lab__fine {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
  margin-top: var(--space-6);
  max-width: 68ch;
}

.molbio-lab-sprint .lg-sprint__score-val,
.molbio-lab-sprint .lg-sprint__timer {
  color: var(--molbio-accent);
}

.molbio-lab-sprint .lg-sprint__progress-bar {
  background: var(--molbio-accent);
}

@media (max-width: 860px) {
  .molbio-lab__rep-grid,
  .molbio-lab__tt-grid,
  .molbio-lab__mutation-grid,
  .molbio-lab__lookup-grid,
  .molbio-lab__field-grid,
  .molbio-lab__compare-grid,
  .molbio-lab__stat-grid,
  .molbio-lab__case-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .molbio-lab__canvas--replication {
    height: 260px;
  }

  .molbio-lab__choice,
  .molbio-lab__guess-btn {
    min-width: 100%;
  }
}