* {
    box-sizing: border-box;
}

:root {
    --ground: #e6dfcf;
    --surface: #201010;
    --ink: #310000;
    --ink-dim: #2e2700;
    --rule: #ffa600;
    --accent: #d20000;
}

html {
    background: var(--ground);
    scroll-behavior: smooth;
    font-size: 112.5%;
}

body {
    width: 90%;
    max-width: 75rem;
    min-height: 100vh;
    margin: 0 auto;
    padding: 0 0 4rem;
    color: var(--ink);
    background: var(--ground);
    font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    line-height: 1.65;
}

a {
    color: var(--accent);
}

/* ─── Barre de navigation fixe ─────────────────────────── */

.site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    border-bottom: 1px solid var(--ink-dim);
    background: color-mix(in srgb, var(--ground) 86%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@supports not ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
    .site-nav {
        background: var(--ground);
    }
}

.site-nav-inner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 90%;
    max-width: 75rem;
    margin: 0 auto;
    padding: 0.6rem 0;
}

.nav-brand {
    flex-shrink: 0;
    margin-right: 0.4rem;
    color: var(--ink);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: bold;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: lowercase;
}

.nav-links {
    display: flex;
    flex: 1;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4.25rem;
}

.nav-links a,
.nav-cta {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    padding: 0.4rem 0.7rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-links a {
    color: var(--ink-dim);
}

.nav-links a:hover {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.nav-cta {
    flex-shrink: 0;
    margin-left: auto;
    background: var(--accent);
    color: var(--ground);
}

.nav-cta:hover {
    background: var(--ink);
    color: var(--ground);
}

/* Menu deroulant : sous-onglets d'un onglet, affiches au survol/focus */
.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-item > a::after {
    content: '▾';
    margin-left: 0.35em;
    font-size: 0.7em;
    vertical-align: 0.05em;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 110;
    display: none;
    flex-direction: column;
    min-width: 15rem;
    margin-top: 0.5rem;
    padding: 0.4rem;
    border: 1px solid var(--ink-dim);
    background: var(--ground);
    box-shadow: 0 0.75rem 1.75rem rgba(0, 0, 0, 0.18);
}

.nav-item:hover > .nav-dropdown,
.nav-item:focus-within > .nav-dropdown {
    display: flex;
}

.nav-dropdown a {
    padding: 0.55rem 0.7rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-dropdown a:hover {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

/* sous-onglet lui-meme pourvu d'un sous-menu (ex : Economics) */
.nav-dropdown-item {
    justify-content: space-between;
}

.nav-dropdown-sub {
    top: 0;
    left: 100%;
    transform: none;
    margin-top: -0.4rem;
    margin-left: 0.5rem;
}

/* onglet actif : case rouge — sans JS (:target) et avec JS (data-tab) */
body:not(:has(main :target)) .nav-links a[href="#accueil"],
body:has(#accueil:target) .nav-links a[href="#accueil"],
body:has(#press:target) .nav-links a[href="#press"],
body:has(#thoughts:target) .nav-links a[href="#thoughts"],
body:has(#laboratory:target) .nav-links a[href="#laboratory"],
body[data-tab="accueil"] .nav-links a[href="#accueil"],
body[data-tab="press"] .nav-links a[href="#press"],
body[data-tab="thoughts"] .nav-links a[href="#thoughts"],
body[data-tab="laboratory"] .nav-links a[href="#laboratory"] {
    color: var(--ground);
    background: var(--accent);
}

/* Menu mobile : bascule par case a cocher, sans JS */
.nav-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 26px;
    height: 26px;
    cursor: pointer;
}

.nav-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--ink);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 40rem) {
    .site-nav-inner {
        flex-wrap: wrap;
        padding: 0.6rem 0;
    }

    .nav-brand {
        margin-right: auto;
    }

    .nav-burger {
        display: flex;
        order: 3;
    }

    .nav-cta {
        order: 2;
        margin-left: 0;
        margin-right: 0.75rem;
    }

    .nav-links {
        display: none;
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        justify-content: flex-start;
        gap: 0;
        margin: 0.4rem 0 -0.6rem;
        border-top: 1px solid var(--ink-dim);
    }

    .nav-links a {
        padding: 0.75rem 0;
    }

    /* pas de survol au doigt : le sous-menu reste statique, toujours deplie */
    .nav-item {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-item > a::after {
        content: none;
    }

    .nav-dropdown {
        position: static;
        display: flex;
        transform: none;
        min-width: 0;
        margin: 0 0 0.4rem 1rem;
        padding: 0;
        border: none;
        box-shadow: none;
        background: transparent;
    }

    .nav-dropdown a {
        padding: 0.6rem 0;
    }

    .nav-dropdown-sub {
        margin: 0 0 0 1rem;
    }

    .nav-toggle:checked ~ .nav-links {
        display: flex;
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

.post-header time,
footer p {
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ─── Panneaux d'onglets : un seul visible a la fois ───── */

main {
    padding-top: 4.75rem;
}

main .posts {
    display: none;
    text-align: center;
}

@keyframes panelIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* sans JS : section ciblee, ou Accueil par defaut */
main .posts:target,
main:not(:has(:target)) #accueil {
    display: block;
    animation: panelIn 0.28s ease both;
}

/* avec JS : pilote par data-tab (gere les ancres internes des sommaires) */
body[data-tab] main .posts {
    display: none;
    animation: none;
}

body[data-tab="accueil"] #accueil,
body[data-tab="press"] #press,
body[data-tab="thoughts"] #thoughts,
body[data-tab="laboratory"] #laboratory,
body[data-tab="contact"] #contact {
    display: block;
    animation: panelIn 0.28s ease both;
}

/* sous-onglets de Laboratory */
.lab-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4.25rem;
    margin-bottom: 2.5rem;
}

.lab-nav a {
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.4rem 0.7rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.lab-nav a:hover {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.lab-panel {
    display: none;
    animation: panelIn 0.28s ease both;
}

/* sans JS : sous-panneau cible, ou le premier par defaut */
.lab-panel:target {
    display: block;
}

/* :not(:has(...)) doit aussi ignorer les sous-sous-onglets (topic-panel,
   econ-panel) : sans quoi cibler un sous-sous-onglet ferait croire qu'aucun
   sous-onglet de Laboratory n'est actif, et forcerait l'affichage de AI. */
#laboratory:not(:has(.lab-panel:target, .topic-panel:target, .econ-panel:target)) #lab-ai {
    display: block;
}

#laboratory:not(:has(.lab-panel:target, .topic-panel:target, .econ-panel:target)) .lab-nav a[href="#lab-ai"],
body:has(#lab-ai:target) .lab-nav a[href="#lab-ai"],
body:has(#lab-database:target) .lab-nav a[href="#lab-database"],
body:has(#lab-economics:target) .lab-nav a[href="#lab-economics"],
body:has(#lab-graphs:target) .lab-nav a[href="#lab-graphs"],
body:has(#lab-economics .econ-panel:target) .lab-nav a[href="#lab-economics"] {
    color: var(--ground);
    background: var(--accent);
}

/* avec JS : pilote par data-subtab */
body[data-subtab] .lab-panel {
    display: none;
}

body[data-subtab="lab-ai"] #lab-ai,
body[data-subtab="lab-database"] #lab-database,
body[data-subtab="lab-economics"] #lab-economics,
body[data-subtab="lab-graphs"] #lab-graphs {
    display: block;
}

body[data-subtab="lab-ai"] .lab-nav a[href="#lab-ai"],
body[data-subtab="lab-database"] .lab-nav a[href="#lab-database"],
body[data-subtab="lab-economics"] .lab-nav a[href="#lab-economics"],
body[data-subtab="lab-graphs"] .lab-nav a[href="#lab-graphs"] {
    color: var(--ground);
    background: var(--accent);
}

/* sous-sous-onglets d'Economics : Vue d'ensemble / Revolutionary macro micro founded */
.econ-nav {
    margin-bottom: 2rem;
}

.econ-panel {
    display: none;
    animation: panelIn 0.28s ease both;
}

/* sans JS : sous-sous-panneau cible, ou Vue d'ensemble par defaut */
.econ-panel:target {
    display: block;
}

#lab-economics:not(:has(.econ-panel:target)) #econ-overview {
    display: block;
}

#lab-economics:not(:has(.econ-panel:target)) .econ-nav a[href="#econ-overview"],
body:has(#econ-overview:target) .econ-nav a[href="#econ-overview"],
body:has(#econ-macro:target) .econ-nav a[href="#econ-macro"] {
    color: var(--ground);
    background: var(--accent);
}

/* avec JS : pilote par data-econsub */
body[data-econsub] .econ-panel {
    display: none;
}

body[data-econsub="econ-overview"] #econ-overview,
body[data-econsub="econ-macro"] #econ-macro {
    display: block;
}

body[data-econsub="econ-overview"] .econ-nav a[href="#econ-overview"],
body[data-econsub="econ-macro"] .econ-nav a[href="#econ-macro"] {
    color: var(--ground);
    background: var(--accent);
}

h1,
h2 {
    font-weight: normal;
    line-height: 1.08;
}

h1 {
    max-width: 32rem;
    margin: 0;
    font-size: clamp(2.6rem, 8vw, 4.8rem);
    letter-spacing: -0.055em;
}

.post {
    padding: 3.5rem 0 4rem;
    border-bottom: 1px solid var(--ink-dim);
    scroll-margin-top: 6rem;
}

.posts > .tab-toc + .post {
    padding-top: 0;
}

.post:last-child {
    border-bottom: 0;
}

.tab-intro {
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}

.tab-intro p {
    margin: 0 0 1.25rem;
}

.tab-intro p:last-child {
    margin-bottom: 0;
}

.tab-toc {
    margin-bottom: 3rem;
}

.tab-toc-title {
    margin: 0 0 0.5rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tab-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
}

.tab-toc li {
    border-top: 1px solid var(--ink-dim);
    counter-increment: toc;
}

.tab-toc li:last-child {
    border-bottom: 1px solid var(--ink-dim);
}

.tab-toc a {
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
    padding: 0.85rem 0.3rem;
    color: var(--ink);
    font-size: 1.1rem;
    text-decoration: none;
    transition: color 0.15s ease, padding-left 0.15s ease, background-color 0.15s ease;
}

.tab-toc a::before {
    content: counter(toc, decimal-leading-zero);
    color: var(--surface);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    flex-shrink: 0;
}

.tab-toc a::after {
    content: '\2192';
    margin-left: auto;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    transition: color 0.15s ease;
}

.tab-toc a:hover,
.tab-toc a:focus-visible {
    color: var(--accent);
    padding-left: 0.7rem;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
    outline: none;
}

.tab-toc a:hover::after,
.tab-toc a:focus-visible::after,
.tab-toc a:hover::before,
.tab-toc a:focus-visible::before {
    color: var(--accent);
}

.press-item {
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--ink-dim);
    scroll-margin-top: 6rem;
}

.press-item:first-of-type {
    padding-top: 0;
}

.press-item:last-child {
    border-bottom: 0;
}

.press-item h3 {
    margin: 0.5rem 0 1rem;
    font-size: 1.5rem;
    font-weight: normal;
    line-height: 1.3;
}

.press-meta {
    margin: 0;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.post-header time {
    display: block;
    margin-bottom: 0.75rem;
}

h2 {
    margin: 0 0 1.75rem;
    color: var(--accent);
    font-size: clamp(2rem, 5.5vw, 3.1rem);
}

h2::before {
    content: '';
    display: block;
    width: 3rem;
    height: 0.35rem;
    margin: 0 auto 1.1rem;
    background: var(--surface);
}

.post-body {
    font-size: 1.05rem;
}

.contact-form {
    display: flex;
    max-width: 32rem;
    margin: 0 auto;
    flex-direction: column;
    gap: 1.25rem;
    text-align: left;
}

.contact-form label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--ink-dim);
    background: var(--ground);
    color: var(--ink);
    font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    font-size: 1rem;
}

.contact-form textarea {
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form button {
    align-self: flex-start;
    padding: 0.5rem 1.1rem;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--ground);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.contact-form button:hover {
    background: var(--ground);
    color: var(--accent);
}

.contact-form button:disabled {
    opacity: 0.55;
    cursor: default;
}

.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.contact-status {
    margin: 0;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-status.is-err {
    color: var(--accent);
}

.contact-fallback {
    margin-top: 1.5rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.post-body p,
.post-body ul,
.post-body ol,
.post-body blockquote,
.post-body pre {
    margin: 0 0 1.25rem;
}

.post-body h1,
.post-body h2,
.post-body h3 {
    margin: 2rem 0 0.75rem;
    color: var(--ink);
}

.post-body h1 {
    font-size: 2rem;
}

.post-body h2 {
    font-size: 1.5rem;
}

.post-body h3 {
    font-size: 1.2rem;
}

.post-body blockquote {
    margin-left: 0;
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
    color: var(--ink-dim);
}

.post-body code,
.post-body pre {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.88em;
}

.post-body code {
    background: var(--surface);
    padding: 0.12rem 0.25rem;
}

.post-body pre {
    overflow-x: auto;
    background: var(--surface);
    padding: 1rem;
}

.post-body pre code {
    background: transparent;
    padding: 0;
}

/* ─── Bouton reutilisable ──────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--ground);
    outline: none;
}

/* ─── Graphiques : primitives SVG ──────────────────────── */

.chart {
    display: block;
    width: 100%;
    height: auto;
    margin: 0;
    overflow: visible;
    color: var(--ink);
}

.chart-grid {
    stroke: var(--ink-dim);
    stroke-width: 0.5;
    opacity: 0.3;
}

.chart-tick {
    fill: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 11px;
}

.chart-line {
    fill: none;
    stroke: var(--accent);
    stroke-width: 1.75;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.chart-dot {
    fill: var(--accent);
}

.chart-val {
    fill: var(--accent);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 11px;
    font-weight: bold;
}

/* phases historiques interactives */
.phase {
    fill: var(--ink-dim);
    opacity: 0.05;
    transition: opacity 0.15s ease, fill 0.15s ease;
}

.phase-alt {
    opacity: 0.11;
}

.phase-g {
    cursor: pointer;
}

.phase-g:hover .phase,
.phase-g:focus-visible .phase,
.phase-g.is-active .phase {
    fill: var(--accent);
    opacity: 0.16;
}

.phase-g:focus-visible {
    outline: none;
}

.phase-name {
    fill: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 9px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    pointer-events: none;
    transition: fill 0.15s ease;
}

.phase-g:hover .phase-name,
.phase-g:focus-visible .phase-name,
.phase-g.is-active .phase-name {
    fill: var(--accent);
}

/* ─── Graphiques : composant figure ────────────────────── */

.lab-fig {
    margin: 0 0 4rem;
    padding-bottom: 3.25rem;
    border-bottom: 1px solid var(--ink-dim);
    scroll-margin-top: 6rem;
}

.lab-fig:last-child {
    border-bottom: 0;
    margin-bottom: 0;
}

.lab-fig-head {
    margin-bottom: 1rem;
}

.lab-fig h2 {
    margin-bottom: 0.65rem;
}

.lab-fig-meta {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.lab-fig-meta span + span::before {
    content: '·';
    margin: 0 0.6rem;
    opacity: 0.6;
}

.lab-fig-lede {
    margin: 0 0 1.75rem;
    font-size: 1.05rem;
}

.lab-fig-chart {
    margin: 0;
}

.lab-fig-hint {
    margin: 0.5rem 0 0;
    min-height: 3.4rem;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--ink-dim);
    background: color-mix(in srgb, var(--accent) 4%, transparent);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.lab-fig-hint.is-on {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.lab-fig-hint strong {
    color: var(--accent);
}

.lab-fig-cap {
    margin-top: 0.9rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    line-height: 1.55;
}

.lab-fig-note {
    margin-top: 1.6rem;
}

.lab-fig-note summary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.lab-fig-note summary::-webkit-details-marker {
    display: none;
}

.lab-fig-note summary::after {
    content: '+';
    font-weight: bold;
}

.lab-fig-note[open] summary::after {
    content: '\2013';
}

.lab-fig-note summary:hover,
.lab-fig-note summary:focus-visible {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--ground);
    outline: none;
}

.lab-fig-note-body {
    margin-top: 1.35rem;
    padding-left: 1.25rem;
    border-left: 4px solid var(--surface);
    font-size: 1.05rem;
    text-align: left;
}

.lab-fig-note-body p {
    margin: 0 0 1.25rem;
}

.lab-fig-note-body p:last-child {
    margin-bottom: 0;
}

.lab-fig-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 2rem;
}

/* ─── Laboratory > Graphs for struggling : schema des acteurs ──── */

.topic-map {
    margin: 2.5rem 0 3rem;
}

.topic-diagram {
    display: block;
    width: 100%;
    max-width: 30rem;
    height: auto;
    margin: 0 auto;
    overflow: visible;
}

.topic-map-hint {
    max-width: 32rem;
    margin: 1.25rem auto 0;
    color: var(--ink-dim);
    font-size: 0.95rem;
}

.topic-edges a,
.topic-nodes a {
    cursor: pointer;
}

/* trait visible, fin */
.topic-edge-line {
    stroke: var(--ink-dim);
    stroke-width: 2;
    opacity: 0.55;
    pointer-events: none;
    transition: stroke 0.15s ease, opacity 0.15s ease, stroke-width 0.15s ease;
}

/* zone cliquable elargie, invisible, posee sur le meme trace */
.topic-edge-hit {
    stroke: transparent;
    stroke-width: 34;
    pointer-events: stroke;
}

.topic-edges a:hover .topic-edge-line,
.topic-edges a:focus-visible .topic-edge-line {
    stroke: var(--accent);
    opacity: 1;
    stroke-width: 3;
}

/* pastille au milieu de chaque trait : signale que c'est cliquable */
.topic-edge-badge {
    fill: var(--ground);
    stroke: var(--ink-dim);
    stroke-width: 1.5;
    transition: fill 0.15s ease, stroke 0.15s ease;
}

.topic-edge-cursor {
    fill: var(--ink-dim);
    transition: fill 0.15s ease;
}

.topic-edges a:hover .topic-edge-badge,
.topic-edges a:focus-visible .topic-edge-badge {
    fill: var(--accent);
    stroke: var(--accent);
}

.topic-edges a:hover .topic-edge-cursor,
.topic-edges a:focus-visible .topic-edge-cursor {
    fill: var(--ground);
}

.topic-nodes rect {
    fill: var(--ground);
    stroke: var(--ink);
    stroke-width: 1.5;
    transition: fill 0.15s ease, stroke 0.15s ease;
}

.topic-nodes text {
    fill: var(--ink);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 15px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    pointer-events: none;
}

.topic-nodes a:hover rect,
.topic-nodes a:focus-visible rect {
    fill: var(--accent);
    stroke: var(--accent);
}

.topic-nodes a:hover text,
.topic-nodes a:focus-visible text {
    fill: var(--ground);
}

/* sujet actif : met le noeud/trait correspondant en evidence,
   avec (:has, sans JS) et sans (data-topic, avec JS) cible native */
#lab-graphs:has(#topic-etat:target) [data-topic-target="topic-etat"] rect,
#lab-graphs:has(#topic-bourgeoisie:target) [data-topic-target="topic-bourgeoisie"] rect,
#lab-graphs:has(#topic-proletariat:target) [data-topic-target="topic-proletariat"] rect,
#lab-graphs:has(#topic-petite-bourgeoisie:target) [data-topic-target="topic-petite-bourgeoisie"] rect,
body[data-topic="topic-etat"] [data-topic-target="topic-etat"] rect,
body[data-topic="topic-bourgeoisie"] [data-topic-target="topic-bourgeoisie"] rect,
body[data-topic="topic-proletariat"] [data-topic-target="topic-proletariat"] rect,
body[data-topic="topic-petite-bourgeoisie"] [data-topic-target="topic-petite-bourgeoisie"] rect {
    fill: var(--accent);
    stroke: var(--accent);
}

#lab-graphs:has(#topic-etat:target) [data-topic-target="topic-etat"] text,
#lab-graphs:has(#topic-bourgeoisie:target) [data-topic-target="topic-bourgeoisie"] text,
#lab-graphs:has(#topic-proletariat:target) [data-topic-target="topic-proletariat"] text,
#lab-graphs:has(#topic-petite-bourgeoisie:target) [data-topic-target="topic-petite-bourgeoisie"] text,
body[data-topic="topic-etat"] [data-topic-target="topic-etat"] text,
body[data-topic="topic-bourgeoisie"] [data-topic-target="topic-bourgeoisie"] text,
body[data-topic="topic-proletariat"] [data-topic-target="topic-proletariat"] text,
body[data-topic="topic-petite-bourgeoisie"] [data-topic-target="topic-petite-bourgeoisie"] text {
    fill: var(--ground);
}

#lab-graphs:has(#topic-etat-bourgeoisie:target) [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-line,
#lab-graphs:has(#topic-etat-proletariat:target) [data-topic-target="topic-etat-proletariat"] .topic-edge-line,
#lab-graphs:has(#topic-bourgeoisie-proletariat:target) [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-line,
#lab-graphs:has(#topic-etat-petite-bourgeoisie:target) [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-line,
#lab-graphs:has(#topic-bourgeoisie-petite-bourgeoisie:target) [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-line,
#lab-graphs:has(#topic-proletariat-petite-bourgeoisie:target) [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-line,
body[data-topic="topic-etat-bourgeoisie"] [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-line,
body[data-topic="topic-etat-proletariat"] [data-topic-target="topic-etat-proletariat"] .topic-edge-line,
body[data-topic="topic-bourgeoisie-proletariat"] [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-line,
body[data-topic="topic-etat-petite-bourgeoisie"] [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-line,
body[data-topic="topic-bourgeoisie-petite-bourgeoisie"] [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-line,
body[data-topic="topic-proletariat-petite-bourgeoisie"] [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-line {
    stroke: var(--accent);
    opacity: 1;
    stroke-width: 3;
}

#lab-graphs:has(#topic-etat-bourgeoisie:target) [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-badge,
#lab-graphs:has(#topic-etat-proletariat:target) [data-topic-target="topic-etat-proletariat"] .topic-edge-badge,
#lab-graphs:has(#topic-bourgeoisie-proletariat:target) [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-badge,
#lab-graphs:has(#topic-etat-petite-bourgeoisie:target) [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-badge,
#lab-graphs:has(#topic-bourgeoisie-petite-bourgeoisie:target) [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-badge,
#lab-graphs:has(#topic-proletariat-petite-bourgeoisie:target) [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-badge,
body[data-topic="topic-etat-bourgeoisie"] [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-badge,
body[data-topic="topic-etat-proletariat"] [data-topic-target="topic-etat-proletariat"] .topic-edge-badge,
body[data-topic="topic-bourgeoisie-proletariat"] [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-badge,
body[data-topic="topic-etat-petite-bourgeoisie"] [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-badge,
body[data-topic="topic-bourgeoisie-petite-bourgeoisie"] [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-badge,
body[data-topic="topic-proletariat-petite-bourgeoisie"] [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-badge {
    fill: var(--accent);
    stroke: var(--accent);
}

#lab-graphs:has(#topic-etat-bourgeoisie:target) [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-cursor,
#lab-graphs:has(#topic-etat-proletariat:target) [data-topic-target="topic-etat-proletariat"] .topic-edge-cursor,
#lab-graphs:has(#topic-bourgeoisie-proletariat:target) [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-cursor,
#lab-graphs:has(#topic-etat-petite-bourgeoisie:target) [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-cursor,
#lab-graphs:has(#topic-bourgeoisie-petite-bourgeoisie:target) [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-cursor,
#lab-graphs:has(#topic-proletariat-petite-bourgeoisie:target) [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-cursor,
body[data-topic="topic-etat-bourgeoisie"] [data-topic-target="topic-etat-bourgeoisie"] .topic-edge-cursor,
body[data-topic="topic-etat-proletariat"] [data-topic-target="topic-etat-proletariat"] .topic-edge-cursor,
body[data-topic="topic-bourgeoisie-proletariat"] [data-topic-target="topic-bourgeoisie-proletariat"] .topic-edge-cursor,
body[data-topic="topic-etat-petite-bourgeoisie"] [data-topic-target="topic-etat-petite-bourgeoisie"] .topic-edge-cursor,
body[data-topic="topic-bourgeoisie-petite-bourgeoisie"] [data-topic-target="topic-bourgeoisie-petite-bourgeoisie"] .topic-edge-cursor,
body[data-topic="topic-proletariat-petite-bourgeoisie"] [data-topic-target="topic-proletariat-petite-bourgeoisie"] .topic-edge-cursor {
    fill: var(--ground);
}

.topic-panel {
    display: none;
    animation: panelIn 0.28s ease both;
}

.topic-panel:target {
    display: block;
}

body[data-topic] .topic-panel {
    display: none;
}

body[data-topic="topic-etat"] #topic-etat,
body[data-topic="topic-bourgeoisie"] #topic-bourgeoisie,
body[data-topic="topic-proletariat"] #topic-proletariat,
body[data-topic="topic-petite-bourgeoisie"] #topic-petite-bourgeoisie,
body[data-topic="topic-etat-bourgeoisie"] #topic-etat-bourgeoisie,
body[data-topic="topic-etat-proletariat"] #topic-etat-proletariat,
body[data-topic="topic-bourgeoisie-proletariat"] #topic-bourgeoisie-proletariat,
body[data-topic="topic-etat-petite-bourgeoisie"] #topic-etat-petite-bourgeoisie,
body[data-topic="topic-bourgeoisie-petite-bourgeoisie"] #topic-bourgeoisie-petite-bourgeoisie,
body[data-topic="topic-proletariat-petite-bourgeoisie"] #topic-proletariat-petite-bourgeoisie {
    display: block;
}

/* ─── Laboratory > Database : catalogue + demande par e-mail ─── */

.data-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.data-item {
    padding: 2rem 0;
    border-top: 1px solid var(--ink-dim);
}

.data-item:last-child {
    border-bottom: 1px solid var(--ink-dim);
}

.data-item h3 {
    margin: 0 0 0.4rem;
    font-size: 1.45rem;
    font-weight: normal;
    line-height: 1.3;
}

.data-item-meta {
    margin: 0 0 0.9rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.data-item-desc {
    margin: 0 0 1.25rem;
    font-size: 1.02rem;
}

.data-dialog {
    width: min(32rem, calc(100vw - 2rem));
    padding: 0;
    border: 1px solid var(--accent);
    background: var(--ground);
    color: var(--ink);
}

.data-dialog::backdrop {
    background: color-mix(in srgb, var(--ink) 55%, transparent);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.data-dialog-form {
    max-width: none;
    padding: 1.75rem;
}

.data-dialog-lede {
    margin: 0 0 0.25rem;
    font-size: 1.05rem;
}

.data-dialog-target {
    min-height: 1em;
    margin: 0 0 0.25rem;
    color: var(--ink-dim);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.data-dialog-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

footer {
    padding-top: 3rem;
}

footer hr {
    border: 0;
    border-top: 1px solid var(--ink-dim);
}

footer p {
    margin-top: 1rem;
}

@media (max-width: 36rem) {
    body {
        width: 94%;
        padding: 0 0 3rem;
    }

    .site-nav-inner {
        width: 94%;
    }

    main {
        padding-top: 4.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}