/* ============================================
   KA_Design System — Site Shell
   ============================================ */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-doc);
  color: var(--text-primary-heading);
  background: #FFFFFF;
}

.layout {
  display: flex;
  min-height: 100vh;
}

/* --- Transitions fluides au changement d'onglet / de page --- */
@keyframes kaTabIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
@keyframes kaMainFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes kaSubmenuIn {
  from { opacity: 0; max-height: 0; }
  to   { opacity: 1; max-height: 360px; }
}

/* Transition douce entre pages (navigateurs compatibles View Transitions).
   Seul le contenu principal fait un fondu croisé ; la sidebar reste figée
   pour donner une impression de menu persistant, sans saut de page. */
@view-transition { navigation: auto; }
.sidebar { view-transition-name: ka-sidebar; }
.main    { view-transition-name: ka-main; }
/* Pages à contenu large (Footer, Navigation) : pas de morphing de largeur entre pages */
.main:has(.footer-ref, .nav-ref) { view-transition-name: none; }

::view-transition-group(ka-sidebar) { animation: none; }
::view-transition-old(ka-sidebar),
::view-transition-new(ka-sidebar) { animation: none; mix-blend-mode: normal; }

::view-transition-old(ka-main),
::view-transition-new(ka-main) { animation-duration: 0.22s; animation-timing-function: ease; }

@media (prefers-reduced-motion: no-preference) {
  /* Fallback pour les navigateurs sans View Transitions : simple fondu, aucun
     déplacement (pas de « saut » du contenu). */
  @supports not (view-transition-name: none) {
    .main { animation: kaMainFade 0.22s ease both; }
  }
  .nav-item.active + .nav-submenu { animation: kaSubmenuIn 0.26s ease both; overflow: hidden; }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}

/* --- Sidebar --- */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface-primary-default);
  color: #FFFFFF;
  padding: var(--space-6) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-6) var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: var(--space-4);
}

.sidebar-brand-logo {
  width: 132px;
  height: auto;
  flex-shrink: 0;
  display: block;
}

.sidebar-brand-name {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
}

.sidebar-brand-sub {
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.nav-group-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding: var(--space-4) var(--space-6) var(--space-2);
}

/* Nav Item — d'après le composant Figma « Nav Item » (états Active / Inactive).
   Inactive : texte #E5E7EB (text/on-color/placeholder), pas de fond.
   Active   : fond rgba(255,255,255,0.16), bordure gauche 2px #6FB7EB (primary/400), texte blanc.
   Hover    : reprend le fond de l'état Active (sans la bordure d'accent). */
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px var(--space-4);
  margin: 1px var(--space-4);
  font-family: var(--font-doc);
  font-weight: 500;
  font-size: 14px;
  line-height: 20px;
  color: #E5E7EB;
  text-decoration: none;
  cursor: pointer;
  border-left: 2px solid transparent;
  border-radius: var(--radius-xs);
  transition: background-color 0.18s ease, color 0.18s ease, border-left-color 0.18s ease, transform 0.18s ease;
}
.nav-item:hover { transform: translateX(2px); }
.nav-item::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: currentColor;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.nav-item:hover::before,
.nav-item.active::before { transform: scale(1.4); }

.nav-item:hover {
  background: rgba(255,255,255,0.16);
  color: #FFFFFF;
}

.nav-item.active {
  background: rgba(255,255,255,0.16);
  color: #FFFFFF;
  border-left-color: #6FB7EB;
}
.nav-item.active::before { opacity: 1; }

/* Sub-menu / Cards — d'après le composant Figma « Sub-menu / Cards » :
   items en retrait (pl 22px), DM Sans Medium 13px (parent 14px), blanc, opacité 0.75.
   Déplié uniquement quand l'onglet Cards est actif (comme dans le fichier Figma). */
.nav-submenu { display: none; flex-direction: column; gap: 2px; padding: var(--space-2) 0; }
.nav-item.active + .nav-submenu { display: flex; }
.nav-subitem {
  padding: 6px var(--space-4) 6px calc(var(--space-4) + 22px);
  margin: 0 var(--space-4);
  font-family: var(--font-doc);
  font-weight: 500;
  font-size: 13px;
  line-height: 20px;
  color: #FFFFFF;
  opacity: 0.75;
  text-decoration: none;
  border-radius: var(--radius-xs);
  transition: opacity 0.12s ease, background-color 0.12s ease;
}
.nav-subitem:hover { opacity: 1; background: rgba(255,255,255,0.16); }
.nav-subitem.active {
  opacity: 1;
  background: rgba(255,255,255,0.16);
  box-shadow: inset 2px 0 0 #6FB7EB;   /* indicateur de la section en cours (scroll) */
  font-weight: 700;
}

/* --- Main content --- */
.main {
  flex: 1;
  padding: var(--space-8) var(--space-8) 80px;
  max-width: 1200px;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary-placeholder);
  margin-bottom: var(--space-2);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-desc {
  font-size: 14px;
  color: var(--text-primary-placeholder);
  margin: 0 0 var(--space-6);
  max-width: 900px;
}

.divider {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.08);
  margin: 0 0 var(--space-6);
}

/* --- Banners --- */
.banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-4);
}

.note-label {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  background: var(--neutral-50);           /* #F9FAFB : plus discret que les bandeaux */
  border-radius: var(--radius-2xl);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-primary-placeholder);
}

.banner-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-icon svg { width: 20px; height: 20px; }
.banner-icon i { font-size: 20px; line-height: 1; color: #FFFFFF; }

.banner-title { font-weight: 700; font-size: 14px; line-height: 20px; margin: 0 0 2px; }
.banner-desc { font-size: 12px; line-height: 16px; margin: 0; color: var(--text-primary-body); }

/* Editable — surface/success/subtle + surface/success/default */
.banner--editable { background: var(--status-success-surface); }
.banner--editable .banner-icon { background: var(--green-700); }

/* Locked — surface/default + surface/primary/default */
.banner--locked { background: var(--surface-default); }
.banner--locked .banner-icon { background: var(--surface-primary-default); }

/* Info / Note — surface/primary/on-color + #296BB2 (valeur fixe Figma) */
.banner--info { background: var(--surface-primary-on-color); }
.banner--info .banner-icon { background: #296BB2; }

/* --- Section titles --- */
.section-title {
  font-size: 18px;
  font-weight: 700;
  margin: 40px 0 var(--space-4);
}

.section-title:first-of-type { margin-top: 0; }
.section-title:has(+ .page-desc) { margin-bottom: 8px; }
/* « Variantes disponibles » : 40px d'air si un élément (bandeau…) le précède, pas après le séparateur */
.section-title.section-title--variants { margin-top: 40px; }
.divider + .section-title.section-title--variants { margin-top: 0; }
#ramps + .section-title { margin-top: 40px; }

/* --- Aperçu live card --- */
.apercu-card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.apercu-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary-placeholder);
  margin-bottom: var(--space-4);
}

.apercu-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  min-height: 40px;
}

.apercu-divider { border-top: 1px solid rgba(0,0,0,0.08); margin: var(--space-4) 0; }

.variantes-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary-placeholder);
  margin-bottom: var(--space-3);
}

.pill-dim-label { font-size: 12px; font-weight: 700; margin-bottom: var(--space-2); }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 20px;
  font-weight: 500;
  background: var(--surface-secondary-default);
  color: var(--text-primary-heading);
  cursor: pointer;
  border: none;
  font-family: var(--font-doc);
}
.pill.active { background: var(--surface-primary-default); color: #FFFFFF; }
/* Pastilles Energy (A+ … I) : toutes de la même largeur */
.pill-row--energy .pill { min-width: 44px; text-align: center; }
/* Aperçus de composants très petits (10px) : agrandis pour rester lisibles (rendu réel inchangé) */
#tag-preview:not(.ka-tag--on-color),
.apercu-preview > .ka-pi-indicator, .apercu-preview > .ka-pi-current { zoom: 1.6; }
#lbl-preview, #ta-preview, #sfx-preview, #sfxi-preview { zoom: 1.25; }

/* --- Tabs --- */
.tabs { margin-top: var(--space-6); }

.tab-list {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: #FFFFFF;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-6);
}

.tab-btn {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  border-radius: var(--radius-lg);
  font-family: var(--font-doc);
  font-size: 12px;
  font-weight: 400;
  color: var(--text-primary-placeholder);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tab-btn:hover { color: var(--text-primary-body); }

.tab-btn.active {
  background: var(--surface-primary-on-color);
  color: var(--text-primary-body);
  font-weight: 700;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

@media (prefers-reduced-motion: no-preference) {
  .tab-panel.active { animation: kaTabIn 0.24s cubic-bezier(0.22, 1, 0.36, 1) both; }
}

/* --- Spec cards (colors/typo/spacing/a11y) --- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .spec-grid--cols-1 { grid-template-columns: 1fr; }
  .spec-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
  .spec-grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
  .spec-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
  .spec-grid--cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Onglets « Couleurs » : 4 cartes maximum par ligne */
@media (min-width: 640px) {
  .tab-panel[id$="colors"] .spec-grid--cols-5 { grid-template-columns: repeat(4, 1fr); }
}

.spec-card {
  background: var(--surface-default);
  border-radius: var(--radius-2xl);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.spec-swatch { width: 20px; height: 20px; border-radius: 999px; }
.spec-name { font-weight: 700; font-size: 14px; line-height: 20px; color: var(--text-primary-heading); }
.spec-value { font-family: var(--font-mono); font-size: 13px; line-height: 18px; color: var(--text-primary-placeholder); }
.spec-desc { font-family: var(--font-doc); font-weight: 500; font-size: 12px; line-height: 16px; color: var(--text-primary-placeholder); }

.spec-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-default);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);   /* = gap des cartes de l'onglet Couleurs */
}

.spec-row-text { display: flex; flex-direction: column; gap: 2px; }
/* Onglet « Typographie » : 2 options côte à côte. Onglet « Espacement » : 2 ou 3 options côte à côte. */
@media (min-width: 640px) {
  .tab-panel.active[id$="typo"]:has(> .spec-row:first-child:nth-last-child(2)),
  .tab-panel.active[id$="spacing"]:has(> .spec-row:first-child:nth-last-child(2)) {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .tab-panel.active[id$="spacing"]:has(> .spec-row:first-child:nth-last-child(3)) {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
  .tab-panel.active[id$="typo"]:has(> .spec-row:first-child:nth-last-child(2)) > .spec-row,
  .tab-panel.active[id$="spacing"]:has(> .spec-row:first-child:nth-last-child(2)) > .spec-row,
  .tab-panel.active[id$="spacing"]:has(> .spec-row:first-child:nth-last-child(3)) > .spec-row { margin-bottom: 0; }
}


/* "Aa" type specimen (typographie tab) */
.spec-type-aa {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
  background: var(--surface-on-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-product);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary-heading);
}

.spec-row-swatch {
  width: 36px; height: 22px;
  border-radius: 2px;
  background: var(--cloud-burst-300);
  flex-shrink: 0;
}

.spec-row-radius { flex-shrink: 0; display: flex; align-items: center; justify-content: center; }

/* Home — chiffres clés */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.stat-card {
  background: var(--surface-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.stat-card-number {
  font-family: var(--font-doc);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.1;
  color: var(--text-primary-heading);
}
.stat-card-label {
  font-family: var(--font-doc);
  font-size: 13px;
  color: var(--text-primary-placeholder);
  margin-top: 16px;
}
.sync-note {
  font-family: var(--font-doc);
  font-size: 12px;
  color: var(--text-primary-placeholder);
  margin: 0 0 var(--space-4);
}

.a11y-check {
  width: 22px; height: 22px;
  border-radius: 999px;
  background: var(--status-success-icon);
  display: flex; align-items: center; justify-content: center;
}
.a11y-check svg { width: 12px; height: 12px; }
.a11y-check i { font-size: 13px; line-height: 1; color: #FFFFFF; }

/* --- Icons page --- */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.icon-cell {
  background: var(--surface-default);
  border-radius: var(--radius-2xl);
  padding: 16px 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.icon-cell i { font-size: 24px; line-height: 1; color: var(--text-primary-heading); }
.icon-cell img { width: 32px; height: 32px; object-fit: contain; }
.icon-cell span {
  font-family: var(--font-doc);
  font-weight: 500;
  font-size: 10.5px;
  color: var(--text-primary-heading);
  word-break: break-word;
}

.section-sub {
  font-family: var(--font-product);
  font-weight: 700;
  font-size: 16px;
  line-height: 20px;
  color: var(--text-primary-heading);
  margin: var(--space-6) 0 var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.icon-count {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--text-primary-placeholder);
}

/* Klima icons — onglets Style (Light/Round/Rectangle) + sous-onglets catégorie */
.klima-tablist {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: #FFFFFF;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-3);
}
.klima-tab {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  border-radius: var(--radius-lg);
  font-family: var(--font-doc);
  font-size: 12px;
  font-weight: 400;
  color: var(--text-primary-placeholder);
  cursor: pointer;
}
.klima-tab.is-active {
  background: var(--surface-primary-on-color);
  color: var(--text-primary-body);
  font-weight: 700;
}
.klima-subtablist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-6);
}
.klima-subtab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--neutral-300);
  background: #FFFFFF;
  border-radius: var(--radius-full);
  font-family: var(--font-doc);
  font-size: 12px;
  color: var(--text-primary-body);
  cursor: pointer;
}
.klima-subtab.is-active {
  background: var(--surface-primary-default);
  border-color: var(--surface-primary-default);
  color: #FFFFFF;
}
.klima-subtab-count {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.7;
}
.klima-panel { display: none; }
.klima-panel.is-visible { display: block; }

/* --- Colors page : ramps --- */
.ramp { margin-bottom: var(--space-8); }

.ramp-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary-heading);
  margin: 0 0 var(--space-3);
}

.ramp-strip {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.ramp-cell {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) 10px var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 92px;
}

.ramp-cell-step {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
}

.ramp-cell-hex {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-top: auto;
  opacity: 0.85;
  text-transform: uppercase;
}

.ramp-cell-default {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 700;
}

/* --- Colors page : category strips (thematic + energy) --- */
.color-strip {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: var(--space-3);
}

.color-strip-cell {
  flex: 1;
  min-width: 0;
  min-height: 84px;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
}

/* Classes énergétiques : même alignement bas-gauche que les autres rampes */
.color-strip-cell--energy { justify-content: space-between; }
.color-strip-cell--energy .ramp-cell-hex { margin-top: 0; }

.color-strip-name { font-size: 12px; font-weight: 700; }
.color-strip-letter { font-family: var(--font-product); font-size: 20px; font-weight: 700; }

.energy-hex-row {
  display: flex;
  margin-bottom: var(--space-8);
}
.energy-hex-row .ramp-cell-hex {
  flex: 1;
  text-align: center;
  color: var(--text-primary-placeholder);
  opacity: 1;
}

/* --- Colors page : semantic + decorative --- */
.semantic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.semantic-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.semantic-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: var(--space-3);
}

.semantic-card-dot { width: 12px; height: 12px; border-radius: 999px; flex-shrink: 0; }

.semantic-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  position: relative;
  padding-right: 28px;   /* place réservée à l'icône de copie */
}
.semantic-row:last-child { margin-bottom: 0; }

.semantic-row-swatch {
  width: 22px; height: 22px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.semantic-row-label { font-size: 14px; font-weight: 500; flex: 1; }
.semantic-row-hex {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary-placeholder);
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .semantic-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Colors page : petite icône de copie au survol (haut droite) --- */
.has-copy { position: relative; cursor: pointer; }
.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}
.has-copy:hover .copy-btn,
.copy-btn:focus-visible,
.copy-btn.is-copied { opacity: 0.7; }
.copy-btn:hover { opacity: 1; background: rgba(128, 128, 128, 0.22); }
.copy-btn:focus-visible { outline: 2px solid var(--cloud-burst-400); outline-offset: 1px; }
.semantic-row.has-copy .copy-btn { top: 50%; right: 0; transform: translateY(-50%); }

.copy-bubble {
  position: fixed;
  z-index: 1000;
  transform: translate(-50%, 4px);
  background: var(--surface-primary-default);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.copy-bubble.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* --- Typography page --- */
.type-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.type-spec {
  flex-shrink: 0;
  width: 290px;
}

.type-spec-name {
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary-heading);
}

.type-spec-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary-placeholder);
  margin-top: 2px;
}

.type-sample {
  font-family: var(--font-product);
  color: var(--text-primary-heading);
  flex: 1;
  min-width: 0;
}

@media (max-width: 720px) {
  .type-row { flex-direction: column; gap: var(--space-2); }
  .type-spec { width: auto; }
}

/* Aperçu live du Choice Button : réduit pour rester proportionné (rendu réel : 108 × 132px) */
#choice-btn-preview .ka-choice-btn { zoom: 0.85; }

/* Ancres : les titres de section ne se collent pas au bord haut après un clic sur le sous-menu */
.section-title[id] { scroll-margin-top: 24px; }

/* --- Bouton « retour en haut » --- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-full);
  background: var(--surface-primary-default);
  color: #FFFFFF;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.15s ease;
  z-index: 900;
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--cloud-burst-900, #294A7F); }
.back-to-top:focus-visible { outline: 2px solid var(--cloud-burst-400); outline-offset: 2px; }

/* Home : la ligne + la note de synchronisation restent en bas de page */
.main--home { display: flex; flex-direction: column; min-height: 100vh; box-sizing: border-box; padding-bottom: 40px; }
.main--home .home-body { flex: 1 0 auto; }
.main--home .home-foot { margin-top: 24px; }

/* Lien textuel dans le contenu */
.text-link { color: var(--text-secondary-body, #085684); text-decoration: underline; text-underline-offset: 2px; }
.text-link:hover { color: var(--cloud-burst-900, #294A7F); }
.text-link:focus-visible { outline: 2px solid var(--cloud-burst-400); outline-offset: 2px; border-radius: 2px; }

/* Description placée sous un « Aperçu live » : 40px avant le contenu / bandeau qui suit */
.apercu-card + p:not(.page-desc) + * { margin-top: 40px; }

/* ============================================================
   Responsive — tablette (≤ 1024px) et mobile (≤ 640px)
   Le bouton hamburger et le voile sont injectés par js/site.js.
   ============================================================ */
.main { min-width: 0; }
.nav-toggle, .nav-scrim { display: none; }

@media (max-width: 1024px) {
  /* Sidebar : panneau masquable au-dessus du contenu */
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    height: 100%;
    z-index: 1000;
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform 0.24s ease, visibility 0s linear 0.24s;
    box-shadow: none;
    padding-top: 68px;   /* place pour le bouton de fermeture */
  }
  body.nav-open .sidebar {
    transform: none;
    visibility: visible;
    transition: transform 0.24s ease, visibility 0s;
    box-shadow: 0 0 32px rgba(0, 0, 0, 0.3);
  }
  .nav-scrim {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 999;
  }
  body.nav-open .nav-scrim { opacity: 1; pointer-events: auto; }
  body.nav-open { overflow: hidden; }
  .nav-toggle {
    display: inline-flex;
    align-items: center; justify-content: center;
    position: fixed; top: 12px; left: 12px;
    width: 44px; height: 44px;
    border: none; border-radius: var(--radius-full);
    background: var(--surface-primary-default);
    color: #FFFFFF; font-size: 22px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 998;
  }
  body.nav-open .nav-toggle { z-index: 1001; }
  .nav-toggle:focus-visible { outline: 2px solid var(--cloud-burst-400); outline-offset: 2px; }

  .layout { display: block; }
  .main {
    max-width: none;
    width: 100%;
    box-sizing: border-box;
    padding: 72px var(--space-6) 64px;   /* 72px : place pour le bouton hamburger */
  }

  /* Grilles : 2 colonnes maximum sur tablette */
  .spec-grid--cols-3, .spec-grid--cols-4, .spec-grid--cols-5,
  .tab-panel[id$="colors"] .spec-grid--cols-5 { grid-template-columns: repeat(2, 1fr); }
  .semantic-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .sidebar { width: 100%; }
  .main { padding: 68px var(--space-4) 56px; }
  .page-title { font-size: 24px; }

  /* Grilles : une seule colonne */
  .spec-grid,
  .spec-grid--cols-2, .spec-grid--cols-3, .spec-grid--cols-4, .spec-grid--cols-5,
  .tab-panel[id$="colors"] .spec-grid--cols-5 { grid-template-columns: 1fr; }
  .stat-grid, .semantic-grid { grid-template-columns: 1fr; }

  /* Aperçu live : moins de padding, contenu large défilable */
  .apercu-card { padding: var(--space-4); }
  .apercu-preview { flex-wrap: wrap; overflow-x: auto; }

  .back-to-top { right: 16px; bottom: 16px; }
}

/* Onglets : défilement horizontal plutôt que compression */
@media (max-width: 1024px) {
  .tab-list { overflow-x: auto; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
  .tab-btn { flex: 1 0 auto; white-space: nowrap; }
}

/* Rampes et bandes de couleurs : gardent leur lecture en bande, défilement horizontal */
@media (max-width: 1024px) {
  .ramp-strip, .color-strip { overflow-x: auto; scrollbar-width: thin; }
  .ramp-cell { flex: 1 0 84px; }
  .color-strip-cell { flex: 1 0 96px; }
}

/* Pastilles, textes de spec et hex : restent lisibles sans déborder */
@media (max-width: 640px) {
  .pill-row { gap: 6px; }
  .spec-name, .spec-desc, .spec-value, .page-desc, .type-spec-name { overflow-wrap: anywhere; }
  .type-spec-name { white-space: normal; }
  .semantic-row-hex, .ramp-cell-hex { font-size: 11px; }
}