/**
 * motsc mastery course styles
 *
 * extends the base learn page styles with course-specific theming,
 * paywall ui, loading states, and interactive visualization containers.
 * aligned to the shared mountain-meadow interactive palette.
 */

/* ============================================================
   course header badge
   ============================================================ */

.motsc-course-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    background: linear-gradient(
        135deg,
        rgba(var(--meadow-500-rgb, 16, 185, 129), 0.18),
        rgba(var(--meadow-400-rgb, 52, 211, 158), 0.1)
    );
    color: var(--meadow-300, #6ee7bf);
    border: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.24);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow:
        0 2px 8px rgba(var(--meadow-500-rgb, 16, 185, 129), 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.motsc-course-badge i {
    width: 14px;
    height: 14px;
}

/* ============================================================
   loading skeleton for paid content
   ============================================================ */

.motsc-loading {
    position: relative;
    min-height: 120px;
}

.motsc-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(90deg,
            var(--color-bg-card, rgba(255, 255, 255, 0.03)) 25%,
            rgba(255, 255, 255, 0.06) 50%,
            var(--color-bg-card, rgba(255, 255, 255, 0.03)) 75%);
    background-size: 200% 100%;
    animation: motsc-shimmer 1.5s ease-in-out infinite;
}

@keyframes motsc-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* light mode loading skeleton */
[data-theme="light"] .motsc-loading::after {
    background: linear-gradient(90deg,
            rgba(0, 0, 0, 0.04) 25%,
            rgba(0, 0, 0, 0.08) 50%,
            rgba(0, 0, 0, 0.04) 75%);
    background-size: 200% 100%;
}

/* ============================================================
   paywall cta
   ============================================================ */

.motsc-paywall {
    text-align: center;
    padding: 48px 24px;
    border-radius: 16px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
    margin: 32px 0;
}

.motsc-paywall-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    margin-bottom: 16px;
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.12);
    color: var(--meadow-400, #34d39e);
}

.motsc-paywall-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.motsc-paywall-title--success {
    color: var(--meadow-400, #34d39e);
}

.motsc-paywall-desc {
    font-size: 0.9rem;
    color: var(--text-secondary, #a3a3a3);
    line-height: 1.6;
    margin: 0 0 20px;
    max-width: 520px;
    margin-inline: auto;
}

.motsc-paywall--cert {
    border-color: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.2);
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.04);
}

/* ============================================================
   stat grid
   ============================================================ */

.motsc-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin: 24px 0;
}

.motsc-stat-card {
    text-align: center;
    padding: 16px 12px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

.motsc-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--meadow-400, #34d39e);
    margin-bottom: 4px;
}

.motsc-stat-label {
    font-size: 0.72rem;
    color: var(--text-secondary, #a3a3a3);
    line-height: 1.3;
}

/* ============================================================
   interactive area styling
   ============================================================ */

.motsc-interactive-header {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--meadow-400, #34d39e);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.2);
}

.motsc-interactive-body {
    min-height: 200px;
    position: relative;
}

.motsc-interactive-hint {
    font-size: 0.8rem;
    color: var(--text-secondary, #a3a3a3);
    text-align: center;
    margin-top: 12px;
    font-style: italic;
}

/* neurotransmitter detail panel */
.motsc-neuro-detail {
    margin-top: 16px;
    padding: 16px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
    animation: motsc-fade-in 0.3s ease;
}

.motsc-neuro-detail-header {
    font-size: 0.9rem;
    padding-left: 12px;
    margin-bottom: 8px;
}

.motsc-neuro-detail-text {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary, #a3a3a3);
    margin: 0;
}

@keyframes motsc-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   cert input
   ============================================================ */

.motsc-cert-form {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 12px;
}

.motsc-cert-input {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.15));
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary, #fafafa);
    font-size: 0.9rem;
    min-width: 200px;
}

[data-theme="light"] .motsc-cert-input {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.15);
    color: #1a1a1a;
}

/* ============================================================
   key terms grid
   ============================================================ */

.motsc-terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(420px, 100%), 1fr));
    gap: 12px;
    margin: 18px 0;
}

.motsc-term-card {
    position: relative;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden;
    transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.motsc-term-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(52,211,158,0.9), rgba(16,185,129,0.5));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.motsc-term-card:hover {
    border-color: rgba(52,211,158,0.22);
    background: linear-gradient(135deg, rgba(52,211,158,0.06), rgba(255,255,255,0.02));
    transform: translateY(-1px);
}

.motsc-term-card[open] {
    border-color: rgba(52,211,158,0.35);
    background: linear-gradient(135deg, rgba(52,211,158,0.08), rgba(255,255,255,0.02));
}

.motsc-term-card[open]::before {
    opacity: 1;
}.motsc-term-card[open] .motsc-term-chev,
.motsc-term-card[open] .motsc-term-chevron {
    transform: rotate(90deg);
}

.motsc-term-summary {
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
}

.motsc-term-summary::-webkit-details-marker { display: none; }
.motsc-term-summary::marker { display: none; content: ''; }

.motsc-term-monogram {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: none;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(52,211,158,0.15), rgba(16,185,129,0.06));
    border: 1px solid rgba(52,211,158,0.22);
    color: var(--meadow-400, #34d39e);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    flex-shrink: 0;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.motsc-term-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.motsc-term-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text, #fff);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.motsc-term-cat {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.62);
    font-weight: 500;
}.motsc-term-chev,
.motsc-term-chevron {
    width: 16px;
    height: 16px;
    color: rgba(255,255,255,0.4);
    transition: transform 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
}.motsc-term-card:hover .motsc-term-chev,
.motsc-term-card:hover .motsc-term-chevron,
.motsc-term-card[open] .motsc-term-chev,
.motsc-term-card[open] .motsc-term-chevron {
    color: var(--meadow-400, #34d39e);
}

.motsc-term-body {
    padding: 4px 16px 16px 16px;
    font-size: 0.84rem;
    line-height: 1.65;
    color: var(--color-muted, rgba(255,255,255,0.7));
}

[data-theme="light"] .motsc-term-card {
    background: linear-gradient(135deg, rgba(15,23,42,0.02), rgba(15,23,42,0.005));
    border-color: rgba(15,23,42,0.08);
}

[data-theme="light"] .motsc-term-card:hover {
    border-color: rgba(16,185,129,0.3);
    background: linear-gradient(135deg, rgba(16,185,129,0.04), rgba(15,23,42,0.005));
}

[data-theme="light"] .motsc-term-card[open] {
    border-color: rgba(16,185,129,0.4);
    background: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(15,23,42,0.005));
}

[data-theme="light"] .motsc-term-monogram {
    display: none;
    background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(16,185,129,0.04));
    border-color: rgba(16,185,129,0.25);
    color: #047852;
}

[data-theme="light"] .motsc-term-name { color: #1a1a1a; }
[data-theme="light"] .motsc-term-cat { color: rgba(15,23,42,0.5); }[data-theme="light"] .motsc-term-chev,
[data-theme="light"] .motsc-term-chevron { color: rgba(15,23,42,0.4); }
[data-theme="light"] .motsc-term-body { color: rgba(15,23,42,0.7); }

/* ============================================================
   comparison layout
   ============================================================ */

.motsc-comparison-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.motsc-comparison-card {
    padding: 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.1);
}

.motsc-comparison-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.motsc-comparison-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text, #fff);
    margin: 0;
}

.motsc-comparison-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.motsc-comparison-list li {
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--color-muted, rgba(255,255,255,0.6));
    padding-left: 12px;
    position: relative;
}

.motsc-comparison-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--meadow-400, #34d39e);
}

/* ============================================================
   light theme overrides
   ============================================================ */

[data-theme="light"] .motsc-term-card {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .motsc-term-card[open] { border-color: rgba(16,185,129,0.3); }

[data-theme="light"] .motsc-comparison-card {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .motsc-stat-card {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}

/* ============================================================
   responsive
   ============================================================ */

@media (max-width: 600px) {
    .motsc-stat-grid {
        grid-template-columns: repeat(2, 1fr);
        /* flush to parent's content edge -- no horizontal floating */
        margin-left: 0;
        margin-right: 0;
        gap: 10px;
    }

    /* tighter inner padding so cards still read as cards but reach the rail edges */
    .motsc-stat-card {
        padding: 14px 10px;
    }

    .motsc-terms-grid { grid-template-columns: 1fr; }
    .motsc-comparison-layout { grid-template-columns: 1fr; }
}

/* ============================================================
   dosing snapshot -- free preview block above paywall
   ============================================================ */

.motsc-dosing-snapshot .motsc-comparison-card {
    background: linear-gradient(135deg, rgba(52,211,158,0.08), rgba(52,211,158,0.02));
    border-color: rgba(52,211,158,0.22);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="light"] .motsc-dosing-snapshot .motsc-comparison-card {
    background: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(16,185,129,0.015));
    border-color: rgba(16,185,129,0.2);
}

/* ============================================================
   unit 2 -- tuftsin to motsc derivation chain
   ============================================================ */

.motsc-derivation-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: center;
    padding: 8px 4px;
}

.motsc-derivation-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.motsc-derivation-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: lowercase;
    color: var(--meadow-300, #6ee7bf);
    padding: 4px 10px;
    border-radius: 100px;
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.12);
    border: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.22);
    white-space: nowrap;
}

.motsc-derivation-tag--child {
    color: #fff;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.55), rgba(52, 211, 158, 0.4));
    border-color: rgba(52, 211, 158, 0.5);
}

[data-theme="light"] .motsc-derivation-tag {
    color: #047852;
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="light"] .motsc-derivation-tag--child {
    color: #fff;
    background: linear-gradient(135deg, #10b981, #059669);
    border-color: #10b981;
}

.motsc-residue-chain {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: center;
}

.motsc-residue {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    padding: 8px 10px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(52, 211, 158, 0.18), rgba(16, 185, 129, 0.06));
    border: 1px solid rgba(52, 211, 158, 0.3);
    cursor: default;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.motsc-residue::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    width: 8px;
    height: 1px;
    background: rgba(52, 211, 158, 0.5);
    transform: translateY(-50%);
}

.motsc-residue:last-child::after { display: none; }

.motsc-residue-pos {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    line-height: 1;
}

.motsc-residue-aa {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--meadow-300, #6ee7bf);
    line-height: 1.2;
    margin-top: 2px;
}

.motsc-residue--added {
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.22), rgba(167, 139, 250, 0.06));
    border-color: rgba(167, 139, 250, 0.5);
    animation: motsc-residue-grow 0.45s ease-out backwards;
}

.motsc-residue--added .motsc-residue-aa { color: #c4b5fd; }
.motsc-residue--added::after { background: rgba(167, 139, 250, 0.55); }

.motsc-residue-chain--child .motsc-residue--added:nth-child(5) { animation-delay: 0.05s; }
.motsc-residue-chain--child .motsc-residue--added:nth-child(6) { animation-delay: 0.2s; }
.motsc-residue-chain--child .motsc-residue--added:nth-child(7) { animation-delay: 0.35s; }

@keyframes motsc-residue-grow {
    from { opacity: 0; transform: translateX(-12px) scale(0.85); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

.motsc-residue:hover {
    transform: translateY(-2px);
    border-color: rgba(52, 211, 158, 0.7);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.18);
}

.motsc-residue--added:hover {
    border-color: rgba(167, 139, 250, 0.85);
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.2);
}

.motsc-residue[data-tip]:hover::before {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: 200px;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.95);
    color: #fff;
    font-size: 0.72rem;
    line-height: 1.4;
    text-align: center;
    pointer-events: none;
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .motsc-residue {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.03));
    border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="light"] .motsc-residue-pos { color: rgba(15, 23, 42, 0.45); }
[data-theme="light"] .motsc-residue-aa { color: #047852; }

[data-theme="light"] .motsc-residue--added {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(139, 92, 246, 0.03));
    border-color: rgba(139, 92, 246, 0.35);
}

[data-theme="light"] .motsc-residue--added .motsc-residue-aa { color: #6d28d9; }

.motsc-derivation-bridge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: rgba(167, 139, 250, 0.85);
}

.motsc-derivation-bridge-line {
    width: 1px;
    height: 18px;
    background: linear-gradient(180deg, rgba(52, 211, 158, 0.6), rgba(167, 139, 250, 0.7));
}

.motsc-derivation-bridge-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #c4b5fd;
}

[data-theme="light"] .motsc-derivation-bridge-label { color: #6d28d9; }

.motsc-derivation-legend {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 6px;
    font-size: 0.72rem;
    color: var(--text-secondary, #a3a3a3);
}

.motsc-derivation-key {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.motsc-derivation-swatch {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid;
}

.motsc-derivation-swatch--parent {
    background: rgba(52, 211, 158, 0.25);
    border-color: rgba(52, 211, 158, 0.5);
}

.motsc-derivation-swatch--added {
    background: rgba(167, 139, 250, 0.28);
    border-color: rgba(167, 139, 250, 0.55);
}

/* ============================================================
   unit 3 -- GABA-A pentamer with binding sites
   ============================================================ */

.motsc-gaba-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 8px 4px;
}

.motsc-gaba-svg-wrap {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

.motsc-gaba-svg { width: 100%; height: auto; display: block; }

.motsc-gaba-subunit {
    fill: rgba(52, 211, 158, 0.18);
    stroke: rgba(52, 211, 158, 0.55);
    stroke-width: 1.5;
    transition: fill 0.2s ease, stroke 0.2s ease;
}

[data-theme="light"] .motsc-gaba-subunit {
    fill: rgba(16, 185, 129, 0.1);
    stroke: rgba(16, 185, 129, 0.5);
}

.motsc-gaba-label {
    fill: var(--meadow-300, #6ee7bf);
    font-size: 12px;
    font-weight: 700;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
}

[data-theme="light"] .motsc-gaba-label { fill: #047852; }

.motsc-gaba-pore {
    fill: rgba(15, 23, 42, 0.6);
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 1;
}

[data-theme="light"] .motsc-gaba-pore {
    fill: rgba(15, 23, 42, 0.05);
    stroke: rgba(15, 23, 42, 0.15);
}

.motsc-gaba-pore-label {
    fill: rgba(255, 255, 255, 0.55);
    font-size: 10px;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
}

[data-theme="light"] .motsc-gaba-pore-label { fill: rgba(15, 23, 42, 0.55); }

.motsc-gaba-site {
    cursor: pointer;
    transition: filter 0.2s ease;
}

.motsc-gaba-site circle {
    transition: stroke-width 0.2s ease;
}

.motsc-gaba-site:hover { filter: brightness(1.18); }
.motsc-gaba-site:hover circle { stroke-width: 2.5; }

.motsc-gaba-site-bzd circle {
    fill: rgba(251, 191, 36, 0.85);
    stroke: #fbbf24;
}

.motsc-gaba-site-motsc circle {
    fill: rgba(167, 139, 250, 0.85);
    stroke: #a78bfa;
}

.motsc-gaba-site-gaba circle {
    fill: rgba(52, 211, 158, 0.95);
    stroke: var(--meadow-400, #34d39e);
}

.motsc-gaba-site-label {
    font-size: 9px;
    font-weight: 700;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
    fill: #0f172a;
}

.motsc-gaba-legend {
    display: grid;
    grid-template-columns: repeat(3, minmax(140px, 1fr));
    gap: 10px;
    font-size: 0.74rem;
}

.motsc-gaba-legend-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px;
    border-radius: 10px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

.motsc-gaba-legend-head {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--color-text, #fff);
}

.motsc-gaba-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.motsc-gaba-legend-dot--bzd { background: #fbbf24; }
.motsc-gaba-legend-dot--motsc { background: #a78bfa; }
.motsc-gaba-legend-dot--gaba { background: var(--meadow-400, #34d39e); }

.motsc-gaba-legend-text {
    font-size: 0.72rem;
    color: var(--text-secondary, #a3a3a3);
    line-height: 1.45;
}

[data-theme="light"] .motsc-gaba-legend-item {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .motsc-gaba-legend-head { color: #1a1a1a; }
[data-theme="light"] .motsc-gaba-legend-text { color: rgba(15, 23, 42, 0.7); }

@media (max-width: 600px) {
    .motsc-gaba-legend { grid-template-columns: 1fr; }
}

/* ============================================================
   unit 4 -- BDNF cascade chart
   ============================================================ */

.motsc-bdnf-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 4px;
}

.motsc-bdnf-svg-wrap { width: 100%; }
.motsc-bdnf-svg { width: 100%; height: auto; display: block; }

.motsc-bdnf-axis {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 1;
}

[data-theme="light"] .motsc-bdnf-axis { stroke: rgba(15, 23, 42, 0.18); }

.motsc-bdnf-grid {
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 1;
    stroke-dasharray: 3 3;
}

[data-theme="light"] .motsc-bdnf-grid { stroke: rgba(15, 23, 42, 0.06); }

.motsc-bdnf-tick {
    fill: rgba(255, 255, 255, 0.5);
    font-size: 10px;
}

[data-theme="light"] .motsc-bdnf-tick { fill: rgba(15, 23, 42, 0.55); }

.motsc-bdnf-axis-label {
    fill: var(--text-secondary, #a3a3a3);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: lowercase;
}

[data-theme="light"] .motsc-bdnf-axis-label { fill: rgba(15, 23, 42, 0.65); }

.motsc-bdnf-baseline {
    stroke: rgba(255, 255, 255, 0.35);
    stroke-width: 1;
    stroke-dasharray: 4 3;
}

[data-theme="light"] .motsc-bdnf-baseline { stroke: rgba(15, 23, 42, 0.3); }

.motsc-bdnf-baseline-label {
    fill: rgba(255, 255, 255, 0.5);
    font-size: 9px;
    font-style: italic;
}

[data-theme="light"] .motsc-bdnf-baseline-label { fill: rgba(15, 23, 42, 0.55); }

.motsc-bdnf-area {
    fill: url(#slkBdnfGrad);
    opacity: 0.85;
}

.motsc-bdnf-line {
    fill: none;
    stroke: var(--meadow-400, #34d39e);
    stroke-width: 2.5;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.motsc-bdnf-point {
    fill: var(--meadow-400, #34d39e);
    stroke: #fff;
    stroke-width: 2;
    cursor: pointer;
}

[data-theme="light"] .motsc-bdnf-point { stroke: #fff; }

.motsc-bdnf-value {
    fill: var(--meadow-300, #6ee7bf);
    font-size: 10px;
    font-weight: 700;
    text-anchor: middle;
    pointer-events: none;
}

[data-theme="light"] .motsc-bdnf-value { fill: #047852; }

.motsc-bdnf-caption {
    font-size: 0.74rem;
    color: var(--text-secondary, #a3a3a3);
    text-align: center;
    line-height: 1.5;
    margin: 0;
}

[data-theme="light"] .motsc-bdnf-caption { color: rgba(15, 23, 42, 0.7); }

.motsc-bdnf-region-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.7rem;
    color: var(--meadow-300, #6ee7bf);
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.14);
    border: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.25);
    margin: 0 4px;
}

[data-theme="light"] .motsc-bdnf-region-pill {
    color: #047852;
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.22);
}

/* ============================================================
   unit 5 -- cytokine dose slider
   ============================================================ */

.motsc-cyto-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 8px 4px;
}

.motsc-cyto-slider-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.motsc-cyto-slider-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-secondary, #a3a3a3);
}

.motsc-cyto-slider-readout {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--meadow-300, #6ee7bf);
}

[data-theme="light"] .motsc-cyto-slider-readout { color: #047852; }

.motsc-cyto-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
    cursor: pointer;
}

[data-theme="light"] .motsc-cyto-slider { background: rgba(15, 23, 42, 0.08); }

.motsc-cyto-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--meadow-400, #34d39e);
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35);
    cursor: grab;
}

.motsc-cyto-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--meadow-400, #34d39e);
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35);
    cursor: grab;
}

.motsc-cyto-slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-secondary, #a3a3a3);
}

.motsc-cyto-bars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.motsc-cyto-bar {
    padding: 12px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
    display: flex;
    flex-direction: column;
    gap: 8px;
}

[data-theme="light"] .motsc-cyto-bar {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}

.motsc-cyto-bar-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 6px;
}

.motsc-cyto-bar-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text, #fff);
    letter-spacing: -0.01em;
}

[data-theme="light"] .motsc-cyto-bar-name { color: #1a1a1a; }

.motsc-cyto-bar-tag {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary, #a3a3a3);
}

.motsc-cyto-bar-track {
    position: relative;
    height: 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

[data-theme="light"] .motsc-cyto-bar-track { background: rgba(15, 23, 42, 0.06); }

.motsc-cyto-bar-fill {
    position: absolute;
    inset: 0;
    transform-origin: left center;
    transform: scaleX(var(--motsc-cyto-fill, 0.5));
    border-radius: 6px;
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), background 0.25s ease;
}

.motsc-cyto-bar-baseline {
    position: absolute;
    top: -4px;
    bottom: -4px;
    width: 1px;
    left: 50%;
    background: rgba(255, 255, 255, 0.45);
    transform: translateX(-0.5px);
}

[data-theme="light"] .motsc-cyto-bar-baseline { background: rgba(15, 23, 42, 0.4); }

.motsc-cyto-bar--pro .motsc-cyto-bar-fill {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.motsc-cyto-bar--anti .motsc-cyto-bar-fill {
    background: linear-gradient(90deg, var(--meadow-400, #34d39e), #6ee7bf);
}

.motsc-cyto-bar-value {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.74rem;
    color: var(--text-secondary, #a3a3a3);
}

.motsc-cyto-bar-arrow {
    font-size: 0.78rem;
    font-weight: 700;
}

.motsc-cyto-bar-arrow--down { color: #34d39e; }
.motsc-cyto-bar-arrow--up { color: #34d39e; }
.motsc-cyto-bar-arrow--neutral { color: var(--text-secondary, #a3a3a3); }

.motsc-cyto-note {
    font-size: 0.74rem;
    color: var(--text-secondary, #a3a3a3);
    text-align: center;
    line-height: 1.5;
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.06);
    border: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.18);
}

[data-theme="light"] .motsc-cyto-note {
    color: rgba(15, 23, 42, 0.7);
    background: rgba(16, 185, 129, 0.04);
    border-color: rgba(16, 185, 129, 0.18);
}

@media (max-width: 600px) {
    .motsc-cyto-bars { grid-template-columns: 1fr; }
}

/* ============================================================
   reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .motsc-loading::after {
        animation: none;
    }

    .motsc-neuro-detail {
        animation: none;
    }

    .motsc-residue--added {
        animation: none;
    }

    .motsc-cyto-bar-fill {
        transition: none;
    }
}

/* ============================================================
   unit 1 -- in-section sub-headings
   small caps row, lowercase, used to break up long content blocks
   ============================================================ */

.motsc-subhead {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 22px 0 10px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--meadow-400, #34d39e);
}

.motsc-subhead::before {
    content: '';
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    flex-shrink: 0;
}

.motsc-subhead::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(var(--meadow-500-rgb, 16, 185, 129), 0.28), transparent);
}

.content-block .motsc-subhead:first-child {
    margin-top: 0;
}

/* ============================================================
   unit 1 -- before/after comparison (paradigm shift)
   ============================================================ */

.motsc-shift-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 18px 0 14px;
}

@media (min-width: 720px) {
    .motsc-shift-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

.motsc-shift-card {
    padding: 16px 16px 14px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

.motsc-shift-card--before {
    border-left: 3px solid rgba(148, 163, 184, 0.55);
}

.motsc-shift-card--after {
    border-left: 3px solid var(--meadow-400, #34d39e);
    background: linear-gradient(135deg, rgba(52,211,158,0.06), rgba(52,211,158,0.015));
}

[data-theme="light"] .motsc-shift-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .motsc-shift-card--after {
    background: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(16,185,129,0.015));
    border-color: rgba(16,185,129,0.2);
}

.motsc-shift-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 6px;
}

.motsc-shift-card--after .motsc-shift-label {
    color: var(--meadow-400, #34d39e);
}

.motsc-shift-headline {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 8px;
    line-height: 1.3;
}

.motsc-shift-body {
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
    margin: 0;
}

/* ============================================================
   unit 1 -- MDP family member cards
   ============================================================ */

.motsc-family-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 16px 0 8px;
}

@media (min-width: 720px) {
    .motsc-family-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.motsc-family-card {
    padding: 16px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
    display: flex;
    flex-direction: column;
    gap: 8px;
}

[data-theme="light"] .motsc-family-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

.motsc-family-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.motsc-family-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
}

.motsc-family-year {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--meadow-400, #34d39e);
    letter-spacing: 0.05em;
}

.motsc-family-role {
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
    margin: 0;
}

.motsc-family-detail {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary, #94a3b8);
    border-top: 1px dashed var(--color-border, rgba(255, 255, 255, 0.08));
    padding-top: 8px;
    margin: 4px 0 0;
}

.motsc-family-detail strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ============================================================
   unit 1 -- regulatory quote callout (S4.5.2 excerpt)
   ============================================================ */

.motsc-quote-callout {
    position: relative;
    margin: 18px 0;
    padding: 18px 18px 16px 22px;
    border-radius: 14px;
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.06);
    border: 1px solid rgba(var(--meadow-500-rgb, 16, 185, 129), 0.22);
    border-left: 4px solid var(--meadow-400, #34d39e);
}

[data-theme="light"] .motsc-quote-callout {
    background: linear-gradient(135deg, rgba(16,185,129,0.05), rgba(16,185,129,0.015));
    border-color: rgba(16,185,129,0.2);
    border-left-color: rgba(16,185,129,0.7);
}

.motsc-quote-source {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--meadow-400, #34d39e);
    margin: 0 0 8px;
}

.motsc-quote-body {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--color-text);
    margin: 0 0 8px;
    font-style: italic;
}

.motsc-quote-attrib {
    display: block;
    font-size: 0.72rem;
    color: var(--text-secondary, #94a3b8);
    margin: 0;
    font-style: normal;
}

/* ============================================================
   unit 1 -- evidence ceiling: color-coded badge rows
   ============================================================ */

.motsc-evidence-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 16px 0;
}

.motsc-evidence-tier {
    position: relative;
    padding: 16px 16px 14px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
    border-left-width: 4px;
}

[data-theme="light"] .motsc-evidence-tier {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

.motsc-evidence-tier p {
    font-size: 0.88rem;
    line-height: 1.55;
    margin: 0;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
}

.motsc-evidence-tier p strong {
    color: var(--color-text);
}

.motsc-evidence-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.motsc-evidence-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1;
}

.motsc-evidence-headline {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    flex: 1;
    min-width: 0;
}

/* solid -- green */
.motsc-evidence-tier--solid {
    border-left-color: #10b981;
}
.motsc-evidence-pill--solid {
    background: rgba(16, 185, 129, 0.16);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.32);
}

/* moderate -- yellow/amber */
.motsc-evidence-tier--moderate {
    border-left-color: #f59e0b;
}
.motsc-evidence-pill--moderate {
    background: rgba(245, 158, 11, 0.14);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.32);
}

/* weak -- orange */
.motsc-evidence-tier--weak {
    border-left-color: #fb923c;
}
.motsc-evidence-pill--weak {
    background: rgba(251, 146, 60, 0.14);
    color: #ea580c;
    border: 1px solid rgba(251, 146, 60, 0.32);
}

/* missing -- red */
.motsc-evidence-tier--missing {
    border-left-color: #ef4444;
}
.motsc-evidence-pill--missing {
    background: rgba(239, 68, 68, 0.12);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.32);
}

.motsc-evidence-claims {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.motsc-evidence-claims li {
    position: relative;
    padding-left: 16px;
    font-size: 0.83rem;
    line-height: 1.5;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
}

.motsc-evidence-claims li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.5;
}

.motsc-evidence-claims li strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ============================================================
   unit 1 -- milestone path (what you'll learn)
   ============================================================ */

.motsc-milestones {
    list-style: none;
    padding: 0;
    margin: 16px 0 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    counter-reset: motsc-milestone;
}

.motsc-milestone {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

[data-theme="light"] .motsc-milestone {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

.motsc-milestone-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(var(--meadow-500-rgb, 16, 185, 129), 0.14);
    color: var(--meadow-400, #34d39e);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
}

.motsc-milestone-body {
    flex: 1;
    min-width: 0;
}

.motsc-milestone-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 3px;
}

.motsc-milestone-desc {
    font-size: 0.83rem;
    line-height: 1.5;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
    margin: 0;
}

/* ============================================================
   mobile: full-edge stat-grid even when scoped under hero/content-block
   the inner stat cards still keep their card border so they read as cards,
   but the row reaches the parent's content edge instead of floating in.
   ============================================================ */

@media (max-width: 600px) {
    .motsc-stat-grid,
    .motsc-family-grid,
    .motsc-shift-grid,
    .motsc-evidence-grid {
        margin-left: 0;
        margin-right: 0;
    }

    .motsc-quote-callout {
        padding: 14px 14px 12px 16px;
    }

    .motsc-subhead {
        font-size: 0.72rem;
        margin: 18px 0 8px;
    }
}

/* ============================================================
   bespoke paid-section widget library
   used when section container has data-section-style="bespoke".
   each widget is unit-scoped (one widget per paid sub-section, no
   two sub-sections within a unit share the same widget). the renderer
   skips the generic course-feature-grid/h4-card transforms for these.
   ============================================================ */

.course-section-panel--bespoke {
    padding: 22px 22px 18px;
}
.course-section-panel--bespoke > p:first-child {
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
    font-size: 0.94rem;
    line-height: 1.6;
    margin: 0 0 14px;
}
.course-section-panel--bespoke p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-muted, var(--text-secondary, #94a3b8));
    margin: 12px 0;
}
.course-section-panel--bespoke p strong { color: var(--color-text); }

/* ----- mb-mtdna-orbit (circular SVG mtDNA map) ------------- */

.mb-mtdna-orbit {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    align-items: center;
    margin: 16px 0;
}
@media (min-width: 720px) {
    .mb-mtdna-orbit { grid-template-columns: 280px 1fr; gap: 24px; }
}
.mb-mtdna-orbit svg {
    width: 100%;
    max-width: 280px;
    height: auto;
    margin: 0 auto;
    display: block;
}
.mb-mtdna-orbit .mb-orbit-ring { fill: none; stroke: rgba(52,211,158,0.25); stroke-width: 2; }
[data-theme="light"] .mb-mtdna-orbit .mb-orbit-ring { stroke: rgba(16,185,129,0.32); }
.mb-mtdna-orbit .mb-orbit-arc { fill: none; stroke-width: 18; stroke-linecap: butt; opacity: 0.95; }
.mb-mtdna-orbit .mb-orbit-arc--rrna { stroke: rgba(148,163,184,0.5); }
.mb-mtdna-orbit .mb-orbit-arc--motsc { stroke: var(--meadow-400, #34d39e); }
.mb-mtdna-orbit .mb-orbit-arc--humanin { stroke: rgba(167,139,250,0.7); }
.mb-mtdna-orbit .mb-orbit-label {
    fill: var(--color-text);
    font-size: 11px;
    font-weight: 700;
    text-anchor: middle;
}
.mb-mtdna-orbit .mb-orbit-tick {
    fill: var(--color-text-muted, #94a3b8);
    font-size: 9px;
    text-anchor: middle;
}
.mb-mtdna-orbit .mb-orbit-legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.86rem;
    line-height: 1.5;
}
.mb-mtdna-orbit .mb-orbit-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.mb-mtdna-orbit .mb-orbit-swatch {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    margin-top: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}
.mb-mtdna-orbit .mb-orbit-swatch--motsc { background: var(--meadow-400, #34d39e); }
.mb-mtdna-orbit .mb-orbit-swatch--rrna   { background: rgba(148,163,184,0.7); }
.mb-mtdna-orbit .mb-orbit-swatch--humanin { background: rgba(167,139,250,0.75); }
.mb-mtdna-orbit .mb-orbit-name {
    font-weight: 700;
    color: var(--color-text);
    font-size: 0.86rem;
}
.mb-mtdna-orbit .mb-orbit-desc {
    color: var(--color-text-muted, #94a3b8);
    font-size: 0.82rem;
    line-height: 1.5;
}

/* ----- mb-filter-chain (3-step rejection chain) ------------- */

.mb-filter-chain {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 18px 0;
    counter-reset: mb-filter;
}
@media (min-width: 720px) {
    .mb-filter-chain {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 14px;
        position: relative;
    }
}
.mb-filter-step {
    position: relative;
    padding: 14px 14px 12px;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(239,68,68,0.06), rgba(239,68,68,0.02));
    border: 1px solid rgba(239,68,68,0.22);
    border-top: 3px solid rgba(239,68,68,0.6);
    counter-increment: mb-filter;
}
[data-theme="light"] .mb-filter-step {
    background: linear-gradient(180deg, rgba(239,68,68,0.05), rgba(239,68,68,0.01));
    border-color: rgba(239,68,68,0.28);
}
.mb-filter-step::before {
    content: 'filter ' counter(mb-filter);
    display: block;
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #ef4444;
    margin-bottom: 4px;
}
.mb-filter-step .mb-filter-title {
    font-size: 0.94rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 6px;
}
.mb-filter-step .mb-filter-desc {
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}
.mb-filter-step .mb-filter-cost {
    margin-top: 8px;
    font-size: 0.74rem;
    color: #b91c1c;
    font-weight: 600;
    padding: 6px 8px;
    background: rgba(239,68,68,0.08);
    border-radius: 6px;
    border-left: 2px solid rgba(239,68,68,0.45);
}

/* ----- mb-radial (center hub + 4 radiating arms) ------------- */

.mb-radial {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 18px 0;
    align-items: stretch;
}
@media (min-width: 720px) {
    .mb-radial {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 18px;
        position: relative;
    }
    .mb-radial::before {
        content: '';
        position: absolute;
        top: 50%; left: 50%;
        width: 96px; height: 96px;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        background: radial-gradient(circle, rgba(52,211,158,0.22), rgba(52,211,158,0.04));
        border: 2px solid rgba(52,211,158,0.45);
        z-index: 0;
        pointer-events: none;
    }
    .mb-radial::after {
        content: 'AMPK';
        position: absolute;
        top: 50%; left: 50%;
        transform: translate(-50%, -50%);
        font-size: 0.92rem;
        font-weight: 800;
        letter-spacing: 0.04em;
        color: var(--meadow-400, #34d39e);
        z-index: 1;
        pointer-events: none;
    }
}
.mb-radial-arm {
    position: relative;
    padding: 14px 14px 12px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
    z-index: 1;
}
[data-theme="light"] .mb-radial-arm {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}
.mb-radial-arm--glucose { border-left: 3px solid #34d39e; }
.mb-radial-arm--lipid   { border-left: 3px solid #fbbf24; }
.mb-radial-arm--mito    { border-left: 3px solid #a78bfa; }
.mb-radial-arm--anabol  { border-left: 3px solid #fb923c; }
.mb-radial-arm .mb-radial-tag {
    display: inline-block;
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--meadow-400, #34d39e);
    margin-bottom: 4px;
}
.mb-radial-arm--lipid  .mb-radial-tag { color: #d97706; }
.mb-radial-arm--mito   .mb-radial-tag { color: #8b5cf6; }
.mb-radial-arm--anabol .mb-radial-tag { color: #ea580c; }
.mb-radial-arm .mb-radial-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 6px;
    line-height: 1.3;
}
.mb-radial-arm .mb-radial-desc {
    font-size: 0.84rem;
    line-height: 1.55;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}

/* ----- mb-versus (2-column zone compare with VS divider) ----- */

.mb-versus {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 18px 0;
    position: relative;
}
@media (min-width: 720px) {
    .mb-versus {
        grid-template-columns: 1fr 1fr;
        gap: 22px;
    }
    .mb-versus::before {
        content: 'vs';
        position: absolute;
        top: 50%; left: 50%;
        transform: translate(-50%, -50%);
        width: 38px; height: 38px;
        background: var(--color-bg, #ffffff);
        border: 2px solid rgba(52,211,158,0.55);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.74rem;
        font-weight: 800;
        letter-spacing: 0.05em;
        color: var(--meadow-400, #34d39e);
        text-transform: uppercase;
        z-index: 2;
    }
}
.mb-versus-zone {
    padding: 16px 16px 14px;
    border-radius: 14px;
    background: linear-gradient(160deg, rgba(52,211,158,0.05), rgba(52,211,158,0.01));
    border: 1px solid rgba(52,211,158,0.22);
}
.mb-versus-zone--right {
    background: linear-gradient(160deg, rgba(167,139,250,0.05), rgba(167,139,250,0.01));
    border-color: rgba(167,139,250,0.26);
}
[data-theme="light"] .mb-versus-zone {
    background: linear-gradient(160deg, rgba(16,185,129,0.05), rgba(16,185,129,0.01));
}
[data-theme="light"] .mb-versus-zone--right {
    background: linear-gradient(160deg, rgba(124,58,237,0.05), rgba(124,58,237,0.01));
}
.mb-versus-zone .mb-versus-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 9px;
    border-radius: 100px;
    background: rgba(52,211,158,0.16);
    color: var(--meadow-400, #34d39e);
    border: 1px solid rgba(52,211,158,0.3);
    margin-bottom: 8px;
}
.mb-versus-zone--right .mb-versus-tag {
    background: rgba(167,139,250,0.16);
    color: #a78bfa;
    border-color: rgba(167,139,250,0.32);
}
.mb-versus-zone .mb-versus-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 10px;
}
.mb-versus-zone .mb-versus-rows {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mb-versus-zone .mb-versus-row {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-text-muted, #94a3b8);
    padding-left: 14px;
    position: relative;
}
.mb-versus-zone .mb-versus-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(52,211,158,0.7);
}
.mb-versus-zone--right .mb-versus-row::before { background: rgba(167,139,250,0.75); }
.mb-versus-zone .mb-versus-row strong { color: var(--color-text); }

/* ----- mb-retrograde (mito to nucleus flow diagram) ---------- */

.mb-retrograde {
    margin: 18px 0;
    padding: 18px 18px 14px;
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(52,211,158,0.04), rgba(167,139,250,0.04));
    border: 1px solid rgba(52,211,158,0.22);
}
[data-theme="light"] .mb-retrograde {
    background: linear-gradient(160deg, rgba(16,185,129,0.04), rgba(124,58,237,0.03));
}
.mb-retrograde-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
}
@media (min-width: 720px) {
    .mb-retrograde-flow {
        grid-template-columns: 1fr auto 1fr;
        gap: 22px;
    }
}
.mb-retrograde-node {
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
    text-align: center;
}
[data-theme="light"] .mb-retrograde-node {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.1);
}
.mb-retrograde-node--mito { border-top: 3px solid var(--meadow-400, #34d39e); }
.mb-retrograde-node--nuc  { border-top: 3px solid #a78bfa; }
.mb-retrograde-node .mb-retrograde-tag {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--meadow-400, #34d39e);
    margin-bottom: 4px;
}
.mb-retrograde-node--nuc .mb-retrograde-tag { color: #a78bfa; }
.mb-retrograde-node .mb-retrograde-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}
.mb-retrograde-node .mb-retrograde-meta {
    font-size: 0.78rem;
    color: var(--color-text-muted, #94a3b8);
}
.mb-retrograde-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--meadow-400, #34d39e);
}
.mb-retrograde-arrow svg { width: 56px; height: 18px; }
.mb-retrograde-cargo {
    margin: 12px 0 0;
    padding: 12px 14px;
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--color-text-muted, #94a3b8);
    border-left: 3px solid rgba(52,211,158,0.45);
}
[data-theme="light"] .mb-retrograde-cargo { background: rgba(0,0,0,0.025); }
.mb-retrograde-cargo strong { color: var(--color-text); }

/* ----- mb-twotone (do/don't or have/missing 2-column) -------- */

.mb-twotone {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 18px 0;
}
@media (min-width: 720px) {
    .mb-twotone { grid-template-columns: 1fr 1fr; gap: 18px; }
}
.mb-twotone-col {
    padding: 16px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
}
[data-theme="light"] .mb-twotone-col {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}
.mb-twotone-col--yes { border-left: 4px solid #10b981; }
.mb-twotone-col--no  { border-left: 4px solid #ef4444; }
.mb-twotone-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 10px;
}
.mb-twotone-col--yes .mb-twotone-head::before {
    content: '\2713';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(16,185,129,0.18);
    color: #10b981;
    font-weight: 800;
    font-size: 0.86rem;
}
.mb-twotone-col--no .mb-twotone-head::before {
    content: '\2715';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(239,68,68,0.18);
    color: #ef4444;
    font-weight: 800;
    font-size: 0.86rem;
}
.mb-twotone-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mb-twotone-list li {
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--color-text-muted, #94a3b8);
    padding-left: 14px;
    position: relative;
}
.mb-twotone-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px; height: 6px;
    border-radius: 50%;
}
.mb-twotone-col--yes .mb-twotone-list li::before { background: #10b981; }
.mb-twotone-col--no  .mb-twotone-list li::before { background: #ef4444; }
.mb-twotone-list li strong { color: var(--color-text); }

/* ----- mb-decline-bars (horizontal % decline bars) ----------- */

.mb-decline-bars {
    list-style: none;
    padding: 0;
    margin: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mb-decline-bar {
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
}
[data-theme="light"] .mb-decline-bar {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}
.mb-decline-bar-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}
.mb-decline-bar-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
}
.mb-decline-bar-value {
    font-size: 0.88rem;
    font-weight: 700;
    color: #ef4444;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    letter-spacing: -0.02em;
}
.mb-decline-bar-track {
    position: relative;
    height: 8px;
    background: rgba(148,163,184,0.15);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 6px;
}
.mb-decline-bar-fill {
    position: absolute;
    inset: 0 auto 0 0;
    background: linear-gradient(90deg, #fb923c, #ef4444);
    border-radius: 100px;
    transform-origin: left center;
}
.mb-decline-bar-desc {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}
.mb-decline-bar-desc strong { color: var(--color-text); }

/* ----- mb-tree (decision branching boxes) -------------------- */

.mb-tree {
    margin: 18px 0;
    padding: 16px;
    border-radius: 14px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
}
[data-theme="light"] .mb-tree {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}
.mb-tree-node {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.mb-tree-question {
    padding: 10px 14px;
    border-radius: 100px;
    background: rgba(52,211,158,0.1);
    border: 1px solid rgba(52,211,158,0.3);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--color-text);
    align-self: flex-start;
    max-width: 100%;
}
.mb-tree-branches {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding-left: 14px;
    border-left: 2px dashed rgba(148,163,184,0.3);
    margin-left: 12px;
}
@media (min-width: 720px) {
    .mb-tree-branches--two { grid-template-columns: 1fr 1fr; }
}
.mb-tree-branch {
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
}
[data-theme="light"] .mb-tree-branch {
    background: rgba(0,0,0,0.015);
    border-color: rgba(0,0,0,0.08);
}
.mb-tree-branch--ok    { border-left: 3px solid #10b981; }
.mb-tree-branch--flag  { border-left: 3px solid #fb923c; }
.mb-tree-branch--stop  { border-left: 3px solid #ef4444; }
.mb-tree-branch .mb-tree-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}
.mb-tree-branch--ok   .mb-tree-label { color: #10b981; }
.mb-tree-branch--flag .mb-tree-label { color: #d97706; }
.mb-tree-branch--stop .mb-tree-label { color: #ef4444; }
.mb-tree-branch .mb-tree-text {
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}
.mb-tree-branch .mb-tree-text strong { color: var(--color-text); }

/* ----- mb-wada-tier (regulatory tier stack) ------------------ */

.mb-wada-tier {
    list-style: none;
    padding: 0;
    margin: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.mb-wada-row {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 14px;
    align-items: center;
    padding: 14px;
    border-radius: 12px;
    background: var(--color-bg-card, rgba(255,255,255,0.03));
    border: 1px solid var(--color-border, rgba(255,255,255,0.08));
}
[data-theme="light"] .mb-wada-row {
    background: rgba(0,0,0,0.02);
    border-color: rgba(0,0,0,0.1);
}
.mb-wada-row--active {
    border-left: 4px solid var(--meadow-400, #34d39e);
    background: linear-gradient(135deg, rgba(52,211,158,0.06), rgba(52,211,158,0.015));
}
[data-theme="light"] .mb-wada-row--active {
    background: linear-gradient(135deg, rgba(16,185,129,0.05), rgba(16,185,129,0.01));
    border-left-color: rgba(16,185,129,0.7);
}
.mb-wada-code {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--meadow-400, #34d39e);
    letter-spacing: -0.02em;
    padding: 6px 8px;
    background: rgba(52,211,158,0.1);
    border-radius: 6px;
    text-align: center;
}
.mb-wada-row--active .mb-wada-code {
    background: var(--meadow-400, #34d39e);
    color: white;
}
.mb-wada-body .mb-wada-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 4px;
}
.mb-wada-body .mb-wada-desc {
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}
.mb-wada-body .mb-wada-desc strong { color: var(--color-text); }