.reference-kicker {
    margin: 0 0 6px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-biochemical);
}

.reference-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
    align-items: start;
    margin-bottom: 48px;
}

.reference-panel,
.reference-side-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
}

.reference-panel {
    padding: 24px;
}

.reference-intro {
    display: grid;
    gap: 18px;
    margin-bottom: 24px;
}

.reference-intro h2 {
    margin-bottom: 8px;
}

.reference-description {
    max-width: 70ch;
    color: var(--text-secondary);
}

.reference-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.summary-chip {
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: grid;
    gap: 4px;
}

.summary-chip strong {
    font-size: 1rem;
}

.summary-chip-label {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.reference-toolbar {
    display: grid;
    gap: 16px;
    padding: 18px;
    border-radius: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: 28px;
}

.scope-warning-block {
    margin-bottom: 24px;
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(127, 29, 29, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.42);
    border-left: 4px solid rgba(239, 68, 68, 0.8);
    color: var(--text-primary);
}

.scope-warning-block strong {
    display: block;
    margin-bottom: 6px;
    color: #ef4444;
}

.scope-warning-block p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.55;
}

.scope-warning-block p + p {
    margin-top: 8px;
}

.scope-warning-block p strong {
    display: inline;
    margin: 0;
    color: var(--text-primary);
}

.compare-panel {
    margin-bottom: 28px;
    padding: 18px;
    border-radius: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: grid;
    gap: 16px;
}

.compare-header h2 {
    margin-bottom: 6px;
}

.compare-description {
    color: var(--text-secondary);
    max-width: 72ch;
}

.compare-toolbar {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.compare-time-group,
.compare-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.compare-time-group {
    align-items: end;
}

.compare-row-list {
    display: grid;
    gap: 12px;
}

.compare-row {
    display: grid;
    grid-template-columns: 1.15fr 1.85fr auto;
    gap: 14px;
    padding: 14px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.compare-field {
    display: grid;
    gap: 8px;
}

.compare-field span {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.compare-field select,
.compare-field input {
    width: 100%;
    padding: 11px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font: inherit;
    min-width: 0;
}

.compare-field select:focus,
.compare-field input:focus {
    outline: none;
    border-color: var(--accent-it);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
}

.compare-field input[aria-invalid="true"] {
    border-color: var(--accent-warning);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.14);
}

.compare-field--compact {
    min-width: 0;
}

.compare-field-note {
    margin: 0;
    flex-basis: 100%;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.compare-button,
.compare-remove-button {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 10px 14px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.compare-button:hover,
.compare-remove-button:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.compare-button:disabled,
.compare-remove-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    border-color: var(--border-color);
    background: var(--bg-card);
}

.compare-remove-button {
    align-self: end;
    min-height: 45px;
}

.compare-status-line {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.compare-status-line.is-warning {
    border-color: rgba(234, 179, 8, 0.35);
    background: rgba(234, 179, 8, 0.08);
    color: var(--text-primary);
}

.compare-warning {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(234, 179, 8, 0.35);
    background: rgba(234, 179, 8, 0.08);
    color: var(--text-secondary);
}

.compare-warning strong {
    color: var(--accent-warning);
    margin-right: 6px;
}

.compare-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.compare-summary-card {
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: grid;
    gap: 4px;
}

.compare-summary-label {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.compare-summary-card strong {
    font-size: 1rem;
}

.compare-chart-card {
    padding: 18px;
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: grid;
    gap: 14px;
}

.compare-chart-header h3 {
    margin-bottom: 4px;
}

.compare-chart-header p {
    color: var(--text-secondary);
}

.compare-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.compare-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.compare-legend-swatch {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    flex: 0 0 auto;
}

.compare-legend-meta {
    color: var(--text-muted);
}

.compare-chart-shell {
    width: 100%;
    overflow-x: auto;
}

.compare-chart {
    width: 100%;
    min-width: 640px;
    height: auto;
    display: block;
    background: var(--bg-secondary);
    border-radius: 14px;
    border: 1px solid var(--border-color);
}

.composition-panel {
    display: grid;
    gap: 12px;
}

.composition-header h4 {
    margin-bottom: 4px;
}

.composition-header p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.composition-list {
    display: grid;
    gap: 10px;
}

.composition-item {
    display: grid;
    gap: 6px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.composition-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.composition-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.composition-swatch {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    flex: 0 0 auto;
}

.composition-percent {
    font-family: "JetBrains Mono", monospace;
    color: var(--text-primary);
}

.composition-bar {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: var(--bg-primary);
    overflow: hidden;
}

.composition-bar-fill {
    height: 100%;
    border-radius: 999px;
}

.composition-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.toolbar-row {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.reference-toolbar .search-wrapper {
    min-width: min(420px, 100%);
    flex: 1 1 320px;
}

.reference-toolbar .search-input {
    background: var(--bg-primary);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-chip {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.filter-chip:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-chip.active {
    background: var(--accent-biochemical-dim);
    color: var(--accent-biochemical);
    border-color: rgba(222, 112, 16, 0.35);
}

.empty-state {
    padding: 18px;
    border-radius: 16px;
    border: 1px dashed var(--border-color);
    background: var(--bg-secondary);
    margin-bottom: 24px;
}

.empty-state h3 {
    margin-bottom: 4px;
}

.empty-state p {
    color: var(--text-secondary);
}

.species-section + .species-section {
    margin-top: 36px;
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    margin-bottom: 6px;
}

.section-description {
    color: var(--text-secondary);
    max-width: 64ch;
}

.species-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.species-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 100%;
    padding: 20px;
    border-radius: 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.species-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    border-radius: 18px 0 0 18px;
}

.species-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.species-card--starter::before {
    background: var(--accent-biochemical);
}

.species-card--probiotic::before {
    background: var(--accent-success);
}

.species-card--benchmark::before {
    background: var(--accent-warning);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.species-name {
    margin: 0;
    font-size: 1.2rem;
    font-style: italic;
}

.species-full-name {
    margin: 4px 0 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-pill--starter {
    background: var(--accent-biochemical-dim);
    color: var(--accent-biochemical);
    border-color: rgba(222, 112, 16, 0.28);
}

.status-pill--probiotic {
    background: var(--accent-success-dim);
    color: var(--accent-success);
    border-color: rgba(34, 197, 94, 0.28);
}

.status-pill--benchmark {
    background: var(--accent-warning-dim);
    color: var(--accent-warning);
    border-color: rgba(234, 179, 8, 0.28);
}

.card-copy {
    color: var(--text-secondary);
}

.growth-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.metric-item {
    display: grid;
    gap: 4px;
}

.metric-item dt {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.metric-item dd {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.condition-panel {
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-left: 3px solid rgba(6, 182, 212, 0.55);
}

.condition-panel h4 {
    margin: 0 0 10px;
    font-size: 0.88rem;
}

.condition-list {
    margin: 0;
    padding-left: 18px;
    color: var(--text-secondary);
    display: grid;
    gap: 8px;
}

.condition-list strong {
    color: var(--text-primary);
}

.citation-box {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.citation-label {
    margin-bottom: 8px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.citation-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.ref-link {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    text-decoration: none;
    color: var(--link-color);
    font-size: 0.88rem;
    line-height: 1.4;
}

.ref-link:hover {
    color: var(--accent-it);
}

.ref-link svg {
    width: 14px;
    height: 14px;
    flex: 0 0 auto;
    margin-top: 2px;
}

.side-column {
    display: grid;
    gap: 18px;
    align-content: start;
    position: sticky;
    top: 24px;
}

.reference-side-card {
    padding: 18px;
}

.reference-side-card h2 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.formula-copy,
.status-copy {
    color: var(--text-secondary);
}

.formula-block {
    margin-top: 12px;
    padding: 14px;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: grid;
    gap: 8px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.note-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 10px;
    color: var(--text-secondary);
}

.note-list strong {
    color: var(--text-primary);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

[hidden] {
    display: none !important;
}

@media (max-width: 1180px) {
    .reference-layout {
        grid-template-columns: 1fr;
    }

    .side-column {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .compare-row,
    .compare-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .reference-panel {
        padding: 18px;
    }

    .toolbar-row {
        align-items: stretch;
    }

    .reference-toolbar .search-wrapper {
        min-width: 100%;
    }

    .growth-metrics {
        grid-template-columns: 1fr;
    }

    .compare-row,
    .compare-summary-grid {
        grid-template-columns: 1fr;
    }

    .compare-toolbar,
    .compare-time-group,
    .compare-actions {
        display: grid;
    }

    .card-header,
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .side-column {
        grid-template-columns: 1fr;
    }
}