/* ==========================================================================
   MG4Control : site de présentation (GitHub Pages)
   ========================================================================== */

:root {
  --bg: #F5F6F8;
  --bg-alt: #ECEEF2;
  --surface: #FFFFFF;
  --surface-2: #F8F9FB;
  --ink: #111216;
  --ink-2: #454952;
  --ink-3: #6E737D;
  --line: #E1E4E9;
  --line-2: #D2D6DD;
  --accent: #0284C7;
  --accent-ink: #0369A1;
  --accent-soft: #E0F2FE;
  --red: #E53935;
  --eco: #16A34A;
  --eco-soft: #DCFCE7;
  --warn: #B45309;
  --warn-soft: #FEF3C7;
  --danger: #E11D48;
  --danger-soft: #FFE4E6;
  --code-bg: #0F1115;
  --code-ink: #E6E8EC;
  --shadow: 0 1px 2px rgba(16,18,24,.06), 0 8px 24px -12px rgba(16,18,24,.18);
  --radius: 14px;
  --maxw: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B0B0D; --bg-alt: #111114; --surface: #141417; --surface-2: #18181C;
    --ink: #F2F3F5; --ink-2: #BFC3CB; --ink-3: #8A8F99; --line: #24262C; --line-2: #30333A;
    --accent: #38BDF8; --accent-ink: #7DD3FC; --accent-soft: #0C3A56;
    --eco: #22C55E; --eco-soft: #0F3A21; --warn: #F59E0B; --warn-soft: #3A2406; --danger: #F43F5E; --danger-soft: #3F0A18;
    --code-bg: #0A0B0E; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -16px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B0B0D; --bg-alt: #111114; --surface: #141417; --surface-2: #18181C;
  --ink: #F2F3F5; --ink-2: #BFC3CB; --ink-3: #8A8F99; --line: #24262C; --line-2: #30333A;
  --accent: #38BDF8; --accent-ink: #7DD3FC; --accent-soft: #0C3A56;
  --eco: #22C55E; --eco-soft: #0F3A21; --warn: #F59E0B; --warn-soft: #3A2406; --danger: #F43F5E; --danger-soft: #3F0A18;
  --code-bg: #0A0B0E; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -16px rgba(0,0,0,.7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
code, kbd, pre { font-family: var(--mono); font-size: .88em; }
:not(pre) > code {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .08em .38em;
  overflow-wrap: anywhere;
}
kbd {
  background: var(--surface); border: 1px solid var(--line-2); border-bottom-width: 2px;
  border-radius: 6px; padding: .05em .4em; font-size: .82em;
}
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.015em; margin: 0; }
p { margin: 0 0 .9em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 100; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
/* Grands écrans (27 pouces, 2K / 4K) : colonne plus large et texte un peu plus grand. Toutes les
   tailles de texte sont en rem, elles suivent donc la taille de base (et celle choisie dans le
   navigateur). La maquette garde sa propre échelle. */
@media (min-width: 1600px) { :root { --maxw: 1360px; } html { font-size: 106.25%; } }
@media (min-width: 2000px) { :root { --maxw: 1520px; } html { font-size: 112.5%; } }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

/* ── En-tête ───────────────────────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.head-in { display: flex; align-items: center; gap: 14px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; flex: 0 0 auto; }
.brand-mark { width: 34px; height: 34px; border-radius: 9px; flex: 0 0 auto; }
.brand-name { font-size: 1.125rem; letter-spacing: -.02em; }
.brand-name .four { color: var(--red); }
.brand-name .ctl { color: var(--ink-3); font-weight: 500; }
.nav { display: none; gap: 2px; margin-left: 8px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: 0.875rem; font-weight: 500;
  padding: 7px 8px; border-radius: 8px; white-space: nowrap;
}
.nav a:hover, .nav a.on { color: var(--ink); background: var(--bg-alt); }
@media (min-width: 980px) { .nav { display: flex; } }
.head-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 9px; overflow: hidden; background: var(--surface); }
/* Langue : deux liens, un par page (index.html et en/index.html) ; aria-current marque la page affichée. */
.seg a { color: var(--ink-2); font: 600 0.8125rem var(--font); padding: 6px 10px; text-decoration: none; }
.seg a:hover { color: var(--ink); }
.seg a[aria-current="true"], .seg a[aria-current="true"]:hover { background: var(--ink); color: var(--bg); }
/* Bandeau créé par site.js quand la langue du navigateur n'est pas celle de la page. */
.lang-hint { background: var(--accent-soft); border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); color: var(--ink); font-size: 0.875rem; }
.lang-hint-in { display: flex; align-items: center; gap: 10px; min-height: 46px; padding-top: 6px; padding-bottom: 6px; }
.lang-hint-txt { flex: 1 1 auto; min-width: 0; line-height: 1.35; }
.lang-hint-go {
  background: var(--ink); color: var(--bg); border-radius: 8px; padding: 5px 12px;
  font-weight: 600; text-decoration: none; white-space: nowrap; flex: 0 0 auto;
}
.lang-hint-go:hover { color: var(--bg); background: color-mix(in srgb, var(--ink) 86%, var(--accent)); }
.lang-hint-x {
  border: 0; background: transparent; color: var(--ink-2); width: 32px; height: 32px; border-radius: 8px;
  font: 400 1.375rem/1 var(--font); cursor: pointer; flex: 0 0 auto;
}
.lang-hint-x:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 8%, transparent); }
.icon-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 9px;
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2); cursor: pointer; text-decoration: none;
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink-3); }
.icon-btn svg { width: 18px; height: 18px; }
/* Liens GitHub (discussion, bug / suggestion) : icône + texte sur grand écran, icône seule en
   dessous, et dans le menu ☰ sur téléphone où l'en-tête n'a plus la place. */
.head-link {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 11px; border-radius: 9px;
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2);
  font: 600 0.8125rem var(--font); text-decoration: none; white-space: nowrap; flex: 0 0 auto;
}
.head-link:hover { color: var(--ink); border-color: var(--ink-3); }
.head-link svg { width: 17px; height: 17px; flex: 0 0 auto; }
@media (max-width: 1099px) { .nav a { padding: 7px 6px; } }
@media (max-width: 1239px) { .head-link { width: 36px; padding: 0; justify-content: center; } .head-link-txt { display: none; } }
@media (max-width: 559px) { .head-link { display: none; } }
.mobile-nav .mn-ext { font-weight: 600; color: var(--ink); }
@media (min-width: 560px) { .mobile-nav .mn-ext { display: none; } }
.menu-btn { display: inline-grid; }
@media (min-width: 980px) { .menu-btn { display: none; } }
.mobile-nav { display: none; border-top: 1px solid var(--line); padding: 10px 16px 16px; }
.mobile-nav.open { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.mobile-nav a { color: var(--ink-2); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 0.9375rem; }
.mobile-nav a:hover { background: var(--bg-alt); color: var(--ink); }

/* ── Boutons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 18px; border-radius: 11px; border: 1px solid transparent;
  font: 600 0.9375rem var(--font); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .12s, background-color .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { color: var(--bg); background: color-mix(in srgb, var(--ink) 86%, var(--accent)); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-3); }
.btn-sm { height: 36px; padding: 0 12px; font-size: 0.875rem; border-radius: 9px; }
.btn svg { width: 18px; height: 18px; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero { padding: 56px 0 28px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto; height: 520px; z-index: -1;
  background: radial-gradient(600px 260px at 20% 30%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
              radial-gradient(520px 240px at 85% 10%, color-mix(in srgb, var(--red) 12%, transparent), transparent 70%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; font-weight: 600; letter-spacing: .02em;
  color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px 4px 6px;
}
.eyebrow .pill { background: var(--accent-soft); color: var(--accent-ink); border-radius: 999px; padding: 1px 8px; font-weight: 700; }
.hero h1 { font-size: clamp(2.125rem, 6vw, 3.75rem); margin: 18px 0 14px; font-weight: 800; letter-spacing: -.035em; }
.hero h1 .four { color: var(--red); }
/* Le titre dit aussi ce qu'est l'application : un moteur de recherche lit d'abord le h1. */
.hero h1 .h1-sub { display: block; margin-top: 8px; font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.25; }
.lead { font-size: clamp(1.0625rem, 2.1vw, 1.25rem); color: var(--ink-2); max-width: 62ch; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 10px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-3); font-size: 0.875rem; margin-top: 8px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta svg { width: 16px; height: 16px; }

.sim-shell { margin-top: 30px; }
.sim-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px;
  margin-bottom: 12px; font-size: 0.875rem; color: var(--ink-2);
}
.sim-toolbar .lbl { font-weight: 600; color: var(--ink); }
.fw-pick { display: flex; flex-wrap: wrap; gap: 6px; }
.fw-pick button {
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2);
  border-radius: 999px; padding: 4px 12px; font: 600 0.8125rem var(--mono); cursor: pointer;
}
.fw-pick button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-ink); border-color: var(--accent); }
.fw-pick button.unk[aria-pressed="true"] { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.sim-hint { font-size: 0.875rem; color: var(--ink-3); margin-top: 10px; display: flex; gap: 8px; align-items: flex-start; }
.sim-hint svg { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 2px; }
.scroll-hint { display: none; font-size: 0.8125rem; color: var(--ink-3); margin-top: 6px; }
.sim-scrolls + .scroll-hint, .sim.sim-scrolls ~ .scroll-hint { display: block; }

/* ── Sommaire des fonctionnalités ─────────────────────────────────────── */
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--bg-alt); }
.sec-head { max-width: 48.75rem; margin-bottom: 26px; }
.sec-kicker { font-size: 0.8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.sec-kicker .n { font-family: var(--mono); color: var(--ink-3); font-weight: 500; letter-spacing: 0; }
.sec-head h2 { font-size: clamp(1.625rem, 3.6vw, 2.375rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 12px; }
.sec-head p { color: var(--ink-2); font-size: 1.0625rem; }

.overview { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.ov {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  transition: border-color .15s, transform .15s;
}
.ov:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--ink); }
.ov .ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-ink); margin-bottom: 10px; }
.ov .ico svg { width: 20px; height: 20px; }
.ov h3 { font-size: 1rem; margin-bottom: 4px; }
.ov p { font-size: 0.875rem; color: var(--ink-3); margin: 0; line-height: 1.5; }

/* ── Bloc fonctionnalité : maquette + explications ─────────────────────── */
.demo-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; align-items: center; }
.demo-bar .lbl { font-size: 0.8125rem; color: var(--ink-3); font-weight: 600; margin-right: 4px; }
.demo-bar button {
  border: 1px dashed var(--line-2); background: var(--surface); color: var(--ink-2);
  border-radius: 9px; padding: 6px 11px; font: 500 0.8125rem var(--font); cursor: pointer;
}
.demo-bar button:hover { border-color: var(--accent); color: var(--accent-ink); border-style: solid; }

.points { display: grid; gap: 12px; margin-top: 22px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .points { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .points.three { grid-template-columns: 1fr 1fr 1fr; } }
.pt {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; position: relative;
}
.pt[data-hl-key] { cursor: pointer; transition: border-color .15s, box-shadow .15s; }
.pt[data-hl-key]:hover, .pt[data-hl-key]:focus-visible, .pt.active { border-color: #F59E0B; box-shadow: 0 0 0 3px rgba(245,158,11,.18); }
.pt[data-hl-key]::after {
  content: "◎"; position: absolute; top: 12px; right: 14px; font-size: 0.875rem; color: var(--ink-3);
}
.pt h3 { font-size: 1rem; margin-bottom: 6px; padding-right: 22px; }
.pt p, .pt li { font-size: 0.9375rem; color: var(--ink-2); }
.pt p:last-child { margin-bottom: 0; }
.pt ul { margin: 0; padding-left: 18px; }
.pt li + li { margin-top: 4px; }
.fw-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; }
.fw-tag { font: 600 0.6875rem var(--mono); padding: 2px 7px; border-radius: 6px; background: var(--bg-alt); color: var(--ink-3); border: 1px solid var(--line); }
.fw-tag.yes { background: var(--eco-soft); color: var(--eco); border-color: transparent; }
.fw-tag.cur { outline: 2px solid var(--accent); outline-offset: 1px; }

.callout {
  display: flex; gap: 12px; align-items: flex-start;
  border-radius: var(--radius); padding: 14px 16px; margin-top: 16px;
  background: var(--accent-soft); color: var(--ink); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font-size: 0.9375rem;
}
.callout svg { flex: 0 0 auto; width: 20px; height: 20px; margin-top: 2px; color: var(--accent-ink); }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.callout.warn svg { color: var(--warn); }
.callout.danger { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.callout.danger svg { color: var(--danger); }
.callout p:last-child { margin: 0; }

/* Tableaux */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-top: 16px; }
table { border-collapse: collapse; width: 100%; font-size: 0.875rem; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 700; color: var(--ink); background: var(--surface-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }
.matrix th:not(:first-child), .matrix td:not(:first-child) { text-align: center; }
.matrix td:first-child { font-weight: 500; }
.matrix .y { color: var(--eco); font-weight: 700; }
.matrix .n { color: var(--ink-3); }
.matrix .p { color: var(--warn); font-weight: 600; font-size: 0.75rem; }
.matrix .col-on { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.matrix th.col-on { color: var(--accent-ink); }

/* Blocs de code */
pre.code {
  background: var(--code-bg); color: var(--code-ink); border-radius: 12px; padding: 14px 16px;
  overflow-x: auto; font-size: 0.8125rem; line-height: 1.55; margin: 12px 0 0;
}

/* Deux colonnes texte */
.cols { display: grid; gap: 18px; }
.cols > *, .points > *, .prec > *, .gate > *, .lab > *, .foot-grid > * { min-width: 0; }
@media (min-width: 900px) { .cols { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px;
}
.card h3 { font-size: 1.0625rem; margin-bottom: 8px; }
.card p, .card li { color: var(--ink-2); font-size: 0.9375rem; }
.card ul, .card ol { padding-left: 20px; margin: 0; }
.card li + li { margin-top: 5px; }

/* Étapes */
.steps { counter-reset: st; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.steps li {
  counter-increment: st; position: relative; padding: 12px 14px 12px 52px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; color: var(--ink-2);
}
.steps li::before {
  content: counter(st); position: absolute; left: 14px; top: 12px; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: var(--bg); font-weight: 700; font-size: 0.8125rem;
}
.steps li b { color: var(--ink); }

/* ── Widgets pédagogiques ─────────────────────────────────────────────── */
.widget {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin-top: 18px;
}
.widget h3 { font-size: 1rem; margin-bottom: 4px; }
.widget .sub { color: var(--ink-3); font-size: 0.875rem; margin-bottom: 14px; }

/* Précédence au démarrage */
.prec { display: grid; gap: 18px; }
@media (min-width: 860px) { .prec { grid-template-columns: 300px 1fr; } }
.prec-ctl { display: grid; gap: 8px; align-content: start; }
.tog { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--ink-2); cursor: pointer; padding: 6px 0; }
.tog input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.tog .t { flex: 0 0 auto; width: 38px; height: 22px; border-radius: 11px; background: var(--line-2); position: relative; transition: background .15s; }
.tog .t::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.tog input:checked + .t { background: var(--accent); }
.tog input:checked + .t::after { transform: translateX(16px); }
.tog input:focus-visible + .t { outline: 2px solid var(--accent); outline-offset: 2px; }
.flow { display: grid; gap: 8px; }
.flow-step {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-3); font-size: 0.875rem;
  transition: all .2s;
}
.flow-step .k { font: 700 0.75rem var(--mono); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-alt); color: var(--ink-3); flex: 0 0 auto; }
.flow-step.skip { opacity: .55; text-decoration: line-through; text-decoration-color: var(--ink-3); }
.flow-step.win { border-color: var(--eco); background: var(--eco-soft); color: var(--ink); font-weight: 600; }
.flow-step.win .k { background: var(--eco); color: #fff; }
.flow-step.ask { border-color: #F59E0B; background: var(--warn-soft); color: var(--ink); }
.flow-out { font-size: 0.9375rem; margin-top: 4px; }

/* Verrou de vitesse */
.gate { display: grid; gap: 16px; }
@media (min-width: 760px) { .gate { grid-template-columns: 1fr 1fr; align-items: center; } }
.gate label:not(.tog) { display: block; font-size: 0.875rem; color: var(--ink-2); margin-bottom: 4px; }
.gate .tog { margin: 6px 0 10px; }
.gate input[type=range] { width: 100%; accent-color: var(--accent); }
.gate-res { border-radius: 12px; padding: 14px 16px; font-weight: 600; border: 1px solid var(--line); }
.gate-res.ok { background: var(--eco-soft); color: var(--eco); border-color: transparent; }
.gate-res.no { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.gate-res small { display: block; font-weight: 400; color: var(--ink-2); margin-top: 4px; }

/* Volant (dock + labo) */
.wheel {
  display: grid; gap: 6px;
  grid-template-columns: repeat(5, 40px); grid-template-rows: repeat(3, 40px);
  grid-template-areas: "sl .  up .  sr" "sl lf ce rt sr" ".  .  dn .  .";
  justify-content: center;
}
.wheel.lg { grid-template-columns: repeat(5, 58px); grid-template-rows: repeat(3, 58px); gap: 8px; }
.wk {
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink);
  border-radius: 50%; font-size: 1rem; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none;
  box-shadow: 0 2px 0 var(--line-2); transition: transform .06s, background-color .1s;
}
.wheel.lg .wk { font-size: 1.375rem; }
.wk:hover { border-color: var(--ink-3); }
.wk.pressed { transform: translateY(2px); box-shadow: none; background: var(--accent-soft); color: var(--accent-ink); border-color: var(--accent); }
.wk-star-l { grid-area: sl; align-self: center; color: #F59E0B; }
.wk-star-r { grid-area: sr; align-self: center; color: #F59E0B; }
.wk-up { grid-area: up; } .wk-down { grid-area: dn; } .wk-left { grid-area: lf; } .wk-right { grid-area: rt; }
.wk-center { grid-area: ce; }
.wheel .wk-star-l, .wheel .wk-star-r { height: 40px; }
.wheel.lg .wk-star-l, .wheel.lg .wk-star-r { height: 58px; }

.lab { display: grid; gap: 18px; align-items: center; }
@media (min-width: 760px) { .lab { grid-template-columns: auto 1fr; } }
.lab-track { position: relative; height: 34px; background: var(--bg-alt); border-radius: 8px; margin: 22px 0 14px; }
.lab-scale span { position: absolute; top: -20px; transform: translateX(-50%); font: 0.6875rem var(--mono); color: var(--ink-3); white-space: nowrap; }
.lab-scale span:first-child { transform: none; }
.lab-scale span:last-child { transform: translateX(-100%); }
.lab-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); border-radius: 8px; opacity: .85; }
.lab-bar.long { background: #F59E0B; }
.lab-long { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--danger); }
.lab-long::after { content: "500 ms"; position: absolute; top: 38px; left: -20px; font: 600 0.6875rem var(--mono); color: var(--danger); }
.lab-win { position: absolute; top: 4px; bottom: 4px; display: none; background: repeating-linear-gradient(45deg, rgba(34,197,94,.35) 0 6px, rgba(34,197,94,.12) 6px 12px); border-radius: 6px; }
.lab-out { font-size: 0.9375rem; color: var(--ink); min-height: 48px; margin-top: 14px; }

/* Console API */
.api-form { display: grid; gap: 12px; }
.api-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.api-tabs button { border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2); border-radius: 9px; padding: 6px 12px; font: 600 0.8125rem var(--font); cursor: pointer; }
.api-tabs button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.api-fields { display: flex; flex-wrap: wrap; gap: 12px; }
.api-fields label { display: grid; gap: 4px; font: 600 0.75rem var(--mono); color: var(--ink-3); }
.api-fields select, .api-fields input {
  height: 38px; min-width: 200px; max-width: 100%; border: 1px solid var(--line-2); border-radius: 9px; background: var(--surface); color: var(--ink);
  font: 500 0.875rem var(--mono); padding: 0 10px;
}
.api-note { color: var(--ink-3); font-size: 0.875rem; margin: 0; }
.api-cmd { background: var(--code-bg); color: #9BE7A5; border-radius: 12px; padding: 12px 14px; margin: 0; overflow-x: auto; font-size: 0.8125rem; }
.api-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.api-state { font-size: 0.8125rem; color: var(--danger); font-weight: 600; }
.api-state.ok { color: var(--eco); }
.api-log { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin: 0; min-height: 70px; max-height: 190px; overflow: auto; font-size: 0.7812rem; white-space: pre-wrap; color: var(--ink-2); }

/* ── Dock « véhicule virtuel » ─────────────────────────────────────────── */
.dock { position: fixed; right: 16px; bottom: 16px; z-index: 60; max-width: calc(100vw - 32px); }
.dock-pill {
  display: flex; align-items: center; gap: 10px; margin-left: auto;
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink);
  border-radius: 999px; padding: 8px 14px 8px 10px; font: 600 0.8125rem var(--font); cursor: pointer;
  box-shadow: var(--shadow); max-width: 100%;
}
.dock-pill .dock-sum { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dock-car { font-size: 1.125rem; }
.dock.moving .dock-car { animation: drive .6s ease-in-out infinite alternate; }
@keyframes drive { to { transform: translateX(3px); } }
.dock.open .dock-pill { display: none; }
.dock-panel {
  width: 400px; max-width: calc(100vw - 32px); max-height: calc(100vh - 100px); overflow: auto;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: 16px; padding: 14px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,.45);
}
.dock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.dock-x { border: 0; background: var(--bg-alt); color: var(--ink-2); width: 30px; height: 30px; border-radius: 8px; cursor: pointer; }
.dock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.dock-f { display: grid; gap: 4px; font-size: 0.7812rem; color: var(--ink-3); font-weight: 600; min-width: 0; }
.dock-f b { color: var(--ink); font-family: var(--mono); font-weight: 600; }
.dock-f select { height: 34px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--surface); color: var(--ink); font: 500 0.8125rem var(--font); padding: 0 6px; min-width: 0; }
.dock-f input[type=range] { width: 100%; accent-color: var(--accent); }
.dock-row { display: flex; gap: 6px; flex-wrap: wrap; }
.dock-btn { border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2); border-radius: 8px; padding: 6px 10px; font: 600 0.7812rem var(--font); cursor: pointer; }
.dock-btn.on { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.dock-btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.dock-media b { font-size: 0.8125rem; }
.dock-wheel { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 12px; }
.dock-lbl { font-size: 0.7812rem; color: var(--ink-3); font-weight: 600; }
.dock-log { margin-top: 10px; font-size: 0.8125rem; color: var(--ink-2); background: var(--bg-alt); border-radius: 8px; padding: 8px 10px; min-height: 38px; }
.dock-log:empty { display: none; }
.dock-log.flash { animation: flash .6s ease-out; }
@keyframes flash { from { background: var(--accent-soft); } }
.dock-actions { display: flex; gap: 8px; margin-top: 10px; }
.dock-actions .dock-btn { flex: 1; height: 38px; }

/* ── Pied de page ──────────────────────────────────────────────────────── */
.site-foot { border-top: 1px solid var(--line); padding: 40px 0 90px; color: var(--ink-3); font-size: 0.875rem; }
.foot-grid { display: grid; gap: 24px; }
@media (min-width: 800px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-foot h4 { color: var(--ink); font-size: 0.875rem; margin-bottom: 8px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.site-foot a { color: var(--ink-2); }
.disclaimer { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 0.8125rem; }

/* Apparition au défilement */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .dock.moving .dock-car { animation: none; }
}
@media (max-width: 560px) {
  .dock { right: 10px; left: 10px; bottom: 10px; }
  .dock-panel { width: auto; max-height: 58vh; }
  .dock-grid { grid-template-columns: 1fr; }
  .head-in { gap: 8px; }
  .brand-name { font-size: 1rem; }
  .gh-btn { display: none; }
}

/* ══════════ Nouveautés 2.6.7 ══════════ */
.badge-new {
  display: inline-flex; align-items: center; gap: 4px;
  font: 700 0.6875rem var(--font); letter-spacing: .04em; text-transform: uppercase;
  color: #7C3AED; background: color-mix(in srgb, #7C3AED 14%, transparent);
  border: 1px solid color-mix(in srgb, #7C3AED 35%, transparent);
  border-radius: 999px; padding: 2px 8px; vertical-align: 3px; white-space: nowrap;
}
:root[data-theme="dark"] .badge-new { color: #C4B5FD; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .badge-new { color: #C4B5FD; } }
.pt .badge-new, h3 .badge-new { margin-left: 6px; }
.pt.is-new { border-color: color-mix(in srgb, #7C3AED 30%, var(--line)); }

.news { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.news a {
  display: block; text-decoration: none; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; transition: border-color .15s, transform .15s;
}
.news a:hover { border-color: #7C3AED; transform: translateY(-2px); color: var(--ink); }
.news b { display: block; font-size: 0.9375rem; margin-bottom: 3px; }
.news span { display: block; font-size: 0.875rem; color: var(--ink-3); line-height: 1.45; }
.news .chg { border-style: dashed; }