/* Plan-dessin · MVP Étape A · skeleton 3 colonnes + topbar/bottombar */

:root {
  --plan-sidebar-w: 280px;
  --plan-header-h: 64px;
  --plan-footer-h: 72px;
  --plan-toolbar-h: 48px;
}

/* Texte masqué visuellement mais accessible aux lecteurs d'écran (WCAG 2.2 AA) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

body.plan-body {
  overflow: hidden; /* le canvas gère son propre scroll */
}

/* Layout principal · grille 3 colonnes plein écran */
.plan-main {
  position: fixed;
  top: var(--plan-header-h);
  bottom: var(--plan-footer-h);
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: var(--plan-sidebar-w) 1fr var(--plan-sidebar-w);
  gap: 0;
  background: var(--c-creme-light, #f5f1ea);
}

@media (max-width: 1100px) {
  .plan-main {
    grid-template-columns: 240px 1fr 240px;
  }
  :root { --plan-sidebar-w: 240px; }
}

@media (max-width: 860px) {
  /* Mode mobile : sidebars en drawer (non implémenté MVP A · placeholder layout) */
  .plan-main {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }
  .plan-sidebar--left,
  .plan-sidebar--right {
    max-height: 200px;
    overflow-y: auto;
  }
}

/* Sidebars */
.plan-sidebar {
  background: var(--c-white, #ffffff);
  border-right: 1px solid var(--c-border, #e2dcd2);
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.plan-sidebar--right {
  border-right: none;
  border-left: 1px solid var(--c-border, #e2dcd2);
}

.plan-section__title {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-ink, #2a2925);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--c-border, #e2dcd2);
}

/* Onglets espaces */
.plan-espaces {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-border, #e2dcd2);
}
.plan-espaces__hint {
  font-size: 0.72rem;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  margin-left: auto;
}

/* Conseils atelier · panneau dynamique ergonomie + normes */
.plan-conseils {
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-border, #e2dcd2);
  margin-top: var(--space-3);
}
.plan-conseils-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-conseils-item {
  font-size: 0.82rem;
  line-height: 1.4;
  padding: 8px 10px;
  border-radius: 6px;
}
.plan-conseils-item--info {
  background: rgba(138, 109, 56, 0.08);
  color: var(--c-ink, #2a2925);
  border-left: 3px solid var(--c-accent, #5a4a20);
}
.plan-conseils-item--warning {
  background: rgba(180, 80, 40, 0.08);
  color: #6b3a1f;
  border-left: 3px solid #b45028;
}

/* Tips · liens d'action (contraste, replay tour) */
.plan-tips-action {
  background: none;
  border: none;
  color: var(--c-accent, #5a4a20);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  font-size: inherit;
  text-align: left;
  font-family: inherit;
}
.plan-tips-action:hover { color: var(--c-ink, #2a2925); }
.plan-tips-action:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}

/* Mode contraste fort · activé par body.plan-contrast-high */
body.plan-contrast-high {
  --c-ink: #000;
  --c-ink-soft: #2a2a2a;
  --c-creme-light: #fff;
  --c-border: #555;
  --c-accent: #6b4a18; /* doré + foncé, ratio renforcé */
}
body.plan-contrast-high .plan-tool-btn,
body.plan-contrast-high .btn,
body.plan-contrast-high .plan-finitions__swatch {
  border-width: 2px;
  border-color: #000;
}
body.plan-contrast-high .plan-canvas { background: #fff; }

/* Hide handle on desktop · visible uniquement breakpoint mobile */
.plan-sidebar__handle { display: none; }

/* Mobile · responsive layout breakpoint 720px */
@media (max-width: 720px) {
  .plan-main { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; }
  .plan-sidebar { max-height: 240px; overflow-y: auto; }
  .plan-sidebar--left, .plan-sidebar--right {
    position: fixed;
    left: 0; right: 0; bottom: 64px;
    z-index: 60;
    background: var(--c-creme, #fafaf6);
    border-top: 1px solid var(--c-border, #e2dcd2);
    transform: translateY(calc(100% - 32px));
    transition: transform 0.25s ease;
    padding: 4px 12px;
  }
  .plan-sidebar--left.is-open, .plan-sidebar--right.is-open { transform: translateY(0); }
  .plan-sidebar__handle {
    display: block;
    width: 100%; min-height: 44px;
    background: var(--c-accent, #5a4a20); color: #fff;
    border: none;
    font-size: 0.92rem; font-weight: 500;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
  }
  .plan-sidebar__handle:focus-visible {
    outline: 2px solid #fff; outline-offset: -4px;
  }
  .plan-toolbar { flex-wrap: wrap; }
  .plan-tool-btn { padding: 8px 10px; font-size: 0.82rem; min-width: 44px; min-height: 44px; }
  .plan-footer__content { flex-wrap: wrap; gap: 6px; }
  .plan-footer__status { max-width: 100%; flex: 1 1 100%; }
  /* Touch target ≥ 44×44 sur mobile (WCAG 2.5.5) · override compact desktop */
  .btn-sm { min-height: 44px; padding: 10px 12px; font-size: 0.85rem; }
  .plan-unite-btn { min-height: 44px; min-width: 44px; }
}

/* Hint sous l'input search catalogue */
.plan-catalogue-search-hint {
  display: block;
  font-size: 0.72rem;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  margin-top: 4px;
  line-height: 1.3;
}
.plan-catalogue-search-hint kbd {
  background: var(--c-creme-light, #f5f1ea);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.82em;
}

/* Brouillons · form CTA top */
.plan-brouillons-save {
  background: var(--c-creme-light, #f5f1ea);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.plan-brouillons-save label { display: block; margin-bottom: 6px; color: var(--c-ink, #2a2925); }
.plan-brouillons-save-row { display: flex; gap: 8px; }
.plan-brouillons-save-row input {
  flex: 1; padding: 7px 10px; border: 1px solid var(--c-border, #e2dcd2); border-radius: 4px;
  font-size: 0.88rem; font-family: inherit;
}
.plan-brouillons-save-row input:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20); outline-offset: 1px;
}
.plan-brouillons-list-title {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.05rem; margin: 16px 0 8px;
  color: var(--c-ink-soft, #6b6760);
}
.plan-conseils-more summary { cursor: pointer; font-size: 0.82rem; color: var(--c-ink-soft, #6b6760); padding: 4px 0; }
.plan-conseils-more summary:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20); outline-offset: 2px; border-radius: 3px;
}
.plan-conseils-more ul { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 6px; }

/* Brouillons multi-versions */
.plan-brouillons-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-brouillon-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 6px;
}
.plan-brouillon-item small {
  display: block;
  color: var(--c-ink-soft, #6b6760);
  font-size: 0.78rem;
  margin-top: 2px;
}
.plan-brouillon-actions { display: flex; gap: 6px; }

/* Mode lecture seule · cursor + opacity + désactivation visuelle (disabled posé en JS) */
.plan-readonly .plan-toolbar,
.plan-readonly .plan-footer__actions .btn-primary,
.plan-readonly #plan-recap-content,
.plan-readonly .plan-sidebar--right {
  pointer-events: none;
  opacity: 0.55;
  cursor: not-allowed;
}
/* Bandeau status réel (≠ ::before invisible aux SR) · injecté en JS avec role=status */
.plan-readonly-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #6b4a18; /* ratio 6.4:1 sur #fff · WCAG AA OK pour texte normal */
  color: #fff;
  padding: 8px 16px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 1000;
}

/* Boutons footer compacts */
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }

/* Modal checkbox · cc client (RGPD opt-in) */
.plan-modal__checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--c-ink, #2a2925);
  cursor: pointer;
  user-select: none;
}
.plan-modal__checkbox input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--c-accent, #5a4a20);
  cursor: pointer;
}

/* Coach POV première personne · affiché 4s au 1er passage */
.plan-pov-coach {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(42, 41, 37, 0.92);
  color: #f5f1ea;
  padding: 12px 20px;
  border-radius: 10px;
  z-index: 6;
  max-width: 460px;
  text-align: center;
  animation: planPovCoachIn 0.3s ease-out;
}
.plan-pov-coach strong { display: block; margin-bottom: 6px; font-size: 0.95rem; color: #fff; }
.plan-pov-coach p { margin: 4px 0; font-size: 0.88rem; }
.plan-pov-coach kbd {
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 6px; border-radius: 3px;
  margin: 0 2px;
}
@keyframes planPovCoachIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .plan-pov-coach { animation: none; }
}

/* Toolbar 3D · ambiance jour/nuit + POV + capture */
.plan-canvas-3d__toolbar {
  position: absolute;
  top: 12px; right: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 4;
}
.plan-3d-tool {
  padding: 7px 12px;
  background: rgba(245, 241, 234, 0.94);
  color: var(--c-ink, #2a2925);
  border: 1px solid rgba(42, 41, 37, 0.15);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: inherit;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s;
}
.plan-3d-tool:hover { background: #fff; border-color: var(--c-accent, #5a4a20); }
.plan-3d-tool[aria-pressed="true"] {
  background: var(--c-accent, #5a4a20);
  color: #fff;
  border-color: var(--c-accent, #5a4a20);
}
.plan-3d-tool:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}

/* Tour guidé premier passage · spotlight + popup contextuelle */
.plan-tour-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
}
.plan-tour-backdrop {
  position: absolute; inset: 0;
  background: rgba(42, 41, 37, 0.55);
  pointer-events: auto;
}
.plan-tour-spotlight {
  position: absolute;
  border: 3px solid var(--c-accent, #5a4a20);
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(42, 41, 37, 0.55);
  pointer-events: none;
  animation: planTourPulse 2.5s ease-in-out infinite;
}
@keyframes planTourPulse {
  0%, 100% { box-shadow: 0 0 0 9999px rgba(42, 41, 37, 0.55), 0 0 12px rgba(138, 109, 56, 0.5); }
  50%      { box-shadow: 0 0 0 9999px rgba(42, 41, 37, 0.55), 0 0 24px rgba(138, 109, 56, 0.85); }
}
.plan-tour-popup {
  position: absolute;
  max-width: 360px;
  padding: 18px 20px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(42, 41, 37, 0.25);
  pointer-events: auto;
}
.plan-tour-step {
  margin: 0 0 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-accent, #5a4a20);
  font-weight: 600;
}
.plan-tour-titre {
  margin: 0 0 8px;
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.3rem;
  color: var(--c-ink, #2a2925);
}
.plan-tour-desc {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--c-ink, #2a2925);
  line-height: 1.5;
}
.plan-tour-actions {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
}
.plan-tour-nav { display: flex; gap: 8px; }
.plan-tour-close {
  position: absolute; top: 6px; right: 8px;
  background: none; border: none;
  font-size: 1.4rem; line-height: 1;
  color: var(--c-ink-soft, #6b6760);
  cursor: pointer; padding: 4px 8px;
}
.plan-tour-close:hover { color: var(--c-ink, #2a2925); }
.plan-tour-close:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20); outline-offset: 2px;
}
/* Cible mise en valeur quand tour pointe dessus · halo doré + scroll-into-view soft */
[data-tour-current] {
  position: relative;
  z-index: 501; /* au-dessus du backdrop tour mais pas du popup */
}
@media (prefers-reduced-motion: reduce) {
  .plan-tour-spotlight { animation: none; }
}

/* Toggle unité mm/cm/m */
.plan-unite-toggle {
  display: inline-flex;
  gap: 0;
  margin-left: 8px;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 4px;
  overflow: hidden;
}
.plan-unite-btn {
  padding: 3px 10px;
  font-size: 0.78rem;
  background: transparent;
  border: none;
  color: var(--c-ink-soft, #6b6760);
  cursor: pointer;
  transition: background 0.1s;
}
.plan-unite-btn:hover { background: rgba(138, 109, 56, 0.08); }
.plan-unite-btn.is-active {
  background: var(--c-accent, #5a4a20);
  color: #fff;
  font-weight: 500;
}
.plan-unite-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 1px;
}

/* Templates de pièces · grille de cartes cliquables */
.plan-template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.plan-template-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 12px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1.5px solid var(--c-border, #e2dcd2);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.12s, transform 0.12s;
}
.plan-template-card:hover {
  border-color: var(--c-accent, #5a4a20);
  transform: translateY(-1px);
}
.plan-template-card:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-template-card__icon {
  font-size: 2rem;
  color: var(--c-accent, #5a4a20);
  line-height: 1;
}
.plan-template-card__label {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.05rem;
  color: var(--c-ink, #2a2925);
}
.plan-template-card__desc {
  font-size: 0.78rem;
  color: var(--c-ink-soft, #6b6760);
  text-align: center;
  line-height: 1.3;
}

/* Toast "Sauvegardé" · bas-droite, fade-in 1.8s */
.plan-saved-toast {
  position: fixed;
  bottom: 88px; right: 16px;
  padding: 8px 14px;
  background: rgba(42, 41, 37, 0.92);
  color: #f5f1ea;
  font-size: 0.82rem;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 200;
}
.plan-saved-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .plan-saved-toast { transition: none; }
}

/* Onboarding coach-mark · affiché sur canvas Top quand aucun mur tracé */
.plan-onboarding-coach {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 5;
}
.plan-onboarding-coach__inner {
  max-width: 380px;
  padding: 16px 22px;
  background: rgba(245, 241, 234, 0.96);
  border: 1.5px dashed var(--c-accent, #5a4a20);
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(42, 41, 37, 0.08);
}
.plan-onboarding-coach__title {
  margin: 0 0 6px;
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.2rem;
  color: var(--c-accent, #5a4a20);
}
.plan-onboarding-coach__hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--c-ink, #2a2925);
  line-height: 1.45;
}
@media (prefers-reduced-motion: reduce) {
  .plan-onboarding-coach { animation: none; }
}
.plan-espace-tab {
  flex: 1 1 auto;
  padding: 6px 10px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--c-ink-soft, #6b6760);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.plan-espace-tab:hover:not(:disabled) {
  border-color: var(--c-accent, #5a4a20);
  color: var(--c-ink, #2a2925);
}
.plan-espace-tab:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-espace-tab.is-active {
  background: var(--c-accent, #5a4a20);
  color: var(--c-white, #ffffff);
  border-color: var(--c-accent, #5a4a20);
}
.plan-espace-tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Récap projet · pas de flex-grow (sinon il déborde et chevauche les sections suivantes
   quand le contexte est vide). Hauteur naturelle, suivi des autres sections empilées. */
.plan-recap {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-border, #e2dcd2);
}
.plan-recap-item {
  margin: 0 0 var(--space-2);
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
  line-height: 1.4;
}
.plan-recap-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft, #6b6760);
  font-weight: 500;
  margin-bottom: 2px;
}
.plan-recap-empty {
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  font-size: 0.85rem;
}

/* Légende (sidebar gauche) · unité + couleurs des types de contraintes */
.plan-legende {
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-border, #e2dcd2);
}
.plan-legende-unite {
  margin: 0 0 var(--space-2);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--c-ink, #2a2925);
}
.plan-legende-unite strong {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft, #6b6760);
  font-weight: 500;
  margin-bottom: 2px;
}
.plan-legende-types-title {
  margin-top: var(--space-3);
}
.plan-legende-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.plan-legende-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
}
.plan-legende-color {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,0.1);
  flex-shrink: 0;
}
.plan-legende-empty {
  margin: 0;
  font-size: 0.8rem;
  color: var(--c-ink-soft, #6b6760);
  font-style: italic;
}
.plan-legende-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 18px;
  padding: 0 6px;
  background: #6b6760;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
}
.plan-legende-list--obstacles li {
  gap: 6px;
}

/* Onglets vues */
.plan-vues-tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.plan-vue-tab {
  text-align: left;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--c-ink, #2a2925);
  cursor: pointer;
  transition: background 0.15s ease;
}
.plan-vue-tab:hover:not(:disabled) {
  background: var(--c-creme-light, #f5f1ea);
}
.plan-vue-tab:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-vue-tab.is-active {
  background: var(--c-accent, #5a4a20);
  color: var(--c-white, #ffffff);
  border-color: var(--c-accent, #5a4a20);
  font-weight: 500;
}
.plan-vue-tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Toolbar canvas */
.plan-canvas-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: #f0ebe1;
}
.plan-toolbar {
  height: var(--plan-toolbar-h);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 var(--space-3);
  background: var(--c-white, #ffffff);
  border-bottom: 1px solid var(--c-border, #e2dcd2);
  flex-shrink: 0;
}
.plan-tool-btn {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.plan-tool-btn:hover:not(:disabled) {
  background: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-border, #e2dcd2);
}
.plan-tool-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-tool-btn[aria-pressed="true"] {
  background: var(--c-accent, #5a4a20);
  color: var(--c-white, #ffffff);
}
.plan-tool-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.plan-toolbar__spacer {
  flex: 1 1 auto;
}

/* Canvas Konva */
.plan-canvas {
  flex: 1 1 auto;
  position: relative;
  background:
    linear-gradient(to right, rgba(0,0,0,0.04) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(to bottom, rgba(0,0,0,0.04) 1px, transparent 1px) 0 0 / 40px 40px,
    #fafaf6;
  overflow: hidden;
  min-height: 0;
}
/* Container Three.js · même position/dimensions que le canvas Konva, monté à la demande */
.plan-canvas-3d {
  flex: 1 1 auto;
  position: relative;
  background: #2a2925; /* fond sombre par défaut · le HDR remplit dès chargé */
  overflow: hidden;
  min-height: 0;
}
.plan-canvas-3d[hidden],
.plan-canvas[hidden] { display: none; }
.plan-canvas-3d canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.plan-canvas-3d__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-creme-light, #f5f1ea);
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-style: italic;
  pointer-events: none;
}
/* Fallback erreur WebGL · loader avec bouton CTA "Revenir en vue Top". */
.plan-canvas-3d__loading--error {
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  text-align: center;
  pointer-events: auto;
  background: rgba(245, 241, 234, 0.95);
}
.plan-canvas-3d__loading--error p {
  max-width: 480px;
  margin: 0;
}
.plan-canvas-3d__loading--error button {
  pointer-events: auto;
}

/* Coach-mark 3D · main pulsante centrée, s'efface au 1er drag/clic ou après 4 s. */
.plan-canvas-3d__coach {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
  z-index: 4;
  transition: opacity 0.4s ease;
}
.plan-canvas-3d__coach.is-leaving { opacity: 0; }
.plan-canvas-3d__coach-hand {
  font-size: 3rem;
  animation: scars-pulse-hand 1.4s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(42,41,37,0.35));
}
.plan-canvas-3d__coach-text {
  background: rgba(42, 41, 37, 0.82);
  color: var(--c-creme-light, #f5f1ea);
  padding: 8px 16px;
  border-radius: 100px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(6px);
}
@keyframes scars-pulse-hand {
  0%, 100% { transform: translateX(-20px) scale(1); }
  50%      { transform: translateX(20px) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .plan-canvas-3d__coach-hand { animation: none; }
}

/* Badge "Aperçu — lecture seule" en overlay top-left du canvas 3D · pill crème transparent. */
.plan-canvas-3d__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 14px;
  background: rgba(245, 241, 234, 0.82);
  color: var(--c-ink, #2a2925);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 100px;
  border: 1px solid rgba(42, 41, 37, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: none;
  z-index: 5;
}
/* Overlay "L'atelier attend vos murs" quand on entre en 3D sans avoir tracé de pièce. */
.plan-canvas-3d__empty-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.18rem;
  font-style: italic;
  color: var(--c-ink, #2a2925);
  /* 0.88 opacité · garantit 4.5:1 contraste indépendamment du fond 3D dessous (WCAG 1.4.3) */
  background: rgba(245, 241, 234, 0.88);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
  z-index: 6;
}
.plan-canvas-3d__empty-overlay kbd {
  display: inline-block;
  font-family: 'Inter', system-ui, sans-serif;
  font-style: normal;
  font-weight: 500;
  font-size: 0.92rem;
  background: var(--c-creme-light, #f5f1ea);
  color: var(--c-ink, #2a2925);
  padding: 2px 8px;
  margin: 0 2px;
  border-radius: 4px;
  border: 1px solid var(--c-border, #e2dcd2);
}

/* Lien inline dans le footer prix · CTA pour rebasculer vers Top depuis la 3D. */
.plan-footer__inline-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--c-accent, #5a4a20);
  font: inherit;
  font-style: italic;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.plan-footer__inline-link:hover {
  color: var(--c-ink, #2a2925);
}
.plan-footer__inline-link:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ============ Panneau Finitions sidebar gauche ============ */
.plan-finitions {
  padding: 16px 14px;
  border-top: 1px solid var(--c-border, #e2dcd2);
}
.plan-finitions__group {
  margin-top: 10px;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 6px;
  background: rgba(245, 241, 234, 0.4);
}
.plan-finitions__group > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-ink, #2a2925);
  list-style: none;
}
.plan-finitions__group > summary::-webkit-details-marker { display: none; }
.plan-finitions__group > summary::after {
  content: '▾';
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--c-ink-soft, #6b6760);
  transition: transform 0.15s ease;
}
.plan-finitions__group[open] > summary::after { transform: rotate(180deg); }
.plan-finitions__summary-label { font-weight: 600; flex: 0 0 auto; }
.plan-finitions__summary-value {
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  font-size: 0.78rem;
  font-weight: 400;
  text-align: right;
  flex: 1 1 auto;
}
.plan-finitions__palette {
  padding: 6px 12px 12px;
}
.plan-finitions__category {
  margin-top: 10px;
}
.plan-finitions__category-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-ink-soft, #6b6760);
  margin: 0 0 6px;
}
.plan-finitions__swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
  gap: 6px;
}
.plan-finitions__swatch {
  width: 100%;
  aspect-ratio: 1 / 1;
  /* Border 1.5px à 40% opacité ink · ratio ≥ 3:1 sur fond crème (WCAG 1.4.11 UI components) */
  border: 1.5px solid rgba(42, 41, 37, 0.4);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}
.plan-finitions__swatch:hover {
  transform: translateY(-1px);
  border-color: rgba(42, 41, 37, 0.4);
  box-shadow: 0 2px 6px rgba(42, 41, 37, 0.15);
}
.plan-finitions__swatch:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-finitions__swatch.is-active {
  border-color: var(--c-accent, #5a4a20);
  border-width: 3px;
  box-shadow: 0 0 0 2px rgba(138, 109, 56, 0.18);
}
.plan-finitions__hint {
  margin: 10px 0 0;
  font-size: 0.78rem;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  line-height: 1.4;
}
.plan-finitions__hint kbd {
  display: inline-block;
  font-family: 'Inter', system-ui, sans-serif;
  font-style: normal;
  font-size: 0.72rem;
  background: var(--c-creme-light, #f5f1ea);
  color: var(--c-ink, #2a2925);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--c-border, #e2dcd2);
}

/* Palette modale (largeur plus généreuse, swatches un peu plus gros) */
.plan-finitions__palette--modal .plan-finitions__swatches {
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 8px;
}
.plan-finitions__palette--modal .plan-finitions__category {
  margin-top: 16px;
}

/* Sélecteur type de pose parquet · pills horizontales sous le sélecteur sol. */
.plan-finitions__poses {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px;
  align-items: center;
  border-bottom: 1px solid rgba(42, 41, 37, 0.06);
}
.plan-finitions__poses-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-ink-soft, #6b6760);
  margin-right: 4px;
}
.plan-finitions__pose-btn {
  padding: 4px 10px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.78rem;
  color: var(--c-ink, #2a2925);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}
.plan-finitions__pose-btn:hover {
  background: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-accent, #5a4a20);
}
.plan-finitions__pose-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-finitions__pose-btn.is-active {
  background: var(--c-accent, #5a4a20);
  color: #fff;
  border-color: var(--c-accent, #5a4a20);
}

/* Liste de murs personnalisables (sélection par N°) · 1 ligne = 1 mur. */
.plan-finitions__mur-list {
  list-style: none;
  padding: 6px 12px 12px;
  margin: 0;
}
.plan-finitions__mur-item {
  margin-top: 4px;
}
.plan-finitions__mur-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 5px;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--c-ink, #2a2925);
  text-align: left;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.plan-finitions__mur-btn:hover {
  border-color: var(--c-accent, #5a4a20);
  background: var(--c-creme-light, #f5f1ea);
}
.plan-finitions__mur-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-finitions__mur-swatch {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 1px solid rgba(42, 41, 37, 0.15);
  flex: 0 0 auto;
}
.plan-finitions__mur-num {
  font-weight: 600;
  flex: 0 0 auto;
}
.plan-finitions__mur-label {
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  font-size: 0.78rem;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.plan-finitions__mur-label em {
  font-style: normal;
  color: var(--c-accent, #5a4a20);
  font-weight: 500;
}

/* Item de liste = flex avec bouton principal + bouton visibilité côte à côte */
.plan-finitions__mur-item {
  display: flex;
  align-items: stretch;
  gap: 6px;
}
.plan-finitions__mur-item .plan-finitions__mur-btn {
  flex: 1 1 auto;
}
/* Item masqué · grisé pour signaler qu'il n'apparaît plus dans les vues */
.plan-finitions__mur-item.is-hidden .plan-finitions__mur-btn {
  opacity: 0.4;
  border-style: dashed;
}
.plan-finitions__mur-item.is-hidden .plan-finitions__mur-btn:hover {
  opacity: 0.7;
}

/* Bouton œil de visibilité · même hauteur que le bouton principal, carré */
.plan-finitions__visibility-btn {
  flex: 0 0 auto;
  width: 36px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  color: var(--c-ink, #2a2925);
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.plan-finitions__visibility-btn:hover {
  background: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-accent, #5a4a20);
}
.plan-finitions__visibility-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-finitions__visibility-btn.is-hidden {
  background: var(--c-ink, #2a2925);
  color: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-ink, #2a2925);
}
.plan-canvas-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-ink-soft, #6b6760);
  font-style: italic;
  pointer-events: none;
}
.plan-canvas-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  margin: 0;
  font-size: 0.8rem;
  color: var(--c-ink-soft, #6b6760);
  background: rgba(255,255,255,0.85);
  padding: 4px 8px;
  border-radius: var(--radius-sm, 6px);
  pointer-events: none;
}

/* Preview agrandi au survol d'une vignette catalogue · positionné en JS via getBoundingClientRect */
.plan-catalogue-preview {
  position: fixed;
  width: 820px;
  background: #fff;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 10px;
  box-shadow: 0 18px 56px rgba(42, 41, 37, 0.28);
  padding: 24px;
  z-index: 1000;
  pointer-events: none; /* ne bloque pas le hover/click */
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}
.plan-catalogue-preview[hidden] { display: none; }
.plan-catalogue-preview img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--c-creme-light, #f5f1ea);
  border-radius: 6px;
}
.plan-catalogue-preview__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-catalogue-preview__title {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-ink, #2a2925);
}
.plan-catalogue-preview__catname {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.45;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
}
@media (prefers-reduced-motion: reduce) {
  .plan-catalogue-preview { transition: none; }
}

/* ============ Phase B · Modal "Choisir les dimensions" du meuble ============ */
.plan-meuble-modal {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}
.plan-meuble-modal__vignette {
  background: var(--c-creme-light, #f5f1ea);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 6px;
  padding: 12px;
}
.plan-meuble-modal__vignette img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}
.plan-meuble-modal__choix {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.plan-meuble-modal__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-meuble-modal__label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-ink, #2a2925);
}
.plan-meuble-modal__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.plan-meuble-modal__pill {
  padding: 6px 14px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.plan-meuble-modal__pill:hover {
  background: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-accent, #5a4a20);
}
.plan-meuble-modal__pill:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-meuble-modal__pill.is-active {
  background: var(--c-accent, #5a4a20);
  color: #fff;
  border-color: var(--c-accent, #5a4a20);
}
.plan-meuble-modal__hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  line-height: 1.4;
}
.plan-meuble-modal__warning {
  padding: 10px 14px;
  background: rgba(212, 161, 78, 0.14);
  border-left: 3px solid #d4a14e;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
  margin-bottom: 6px;
}
.plan-meuble-modal__pill--standard {
  background: var(--c-creme-light, #f5f1ea);
  border-color: var(--c-accent, #5a4a20);
}
.plan-meuble-modal__pill--standard small,
.plan-meuble-modal__pill--reduit small {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.65rem;
  opacity: 0.75;
  font-style: italic;
}
.plan-meuble-modal__pill--reduit {
  border-style: dashed;
}
/* Phase C-2 · modale édition meuble (double-clic) */
.plan-meuble-edit {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 18px;
  align-items: start;
}
.plan-meuble-edit__vignette img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--c-creme-light, #f5f1ea);
  border-radius: 6px;
}
.plan-meuble-edit__body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.plan-meuble-edit__field { display: flex; flex-direction: column; gap: 6px; }
.plan-meuble-detail__specs {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  margin: 0 0 12px;
  padding: 12px 14px;
  background: var(--c-creme-light, #f5f1ea);
  border-radius: 6px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
}
.plan-meuble-detail__specs dt {
  margin: 0;
  font-weight: 500;
  color: var(--c-ink-soft, #6b6760);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.plan-meuble-detail__specs dd {
  margin: 0;
  color: var(--c-ink, #2a2925);
  font-weight: 500;
}
.plan-meuble-detail__specs dd small {
  color: var(--c-ink-soft, #6b6760);
  font-weight: 400;
  font-style: italic;
}
.plan-meuble-edit__danger {
  border-top: 1px solid var(--c-border, #e2dcd2);
  padding-top: 14px;
  margin-top: 4px;
}
.btn.btn-danger {
  background: #c44a3e;
  color: #fff;
  border: 1px solid #a83e34;
  padding: 8px 14px;
  border-radius: 4px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease;
}
.btn.btn-danger:hover { background: #b03f33; }
.btn.btn-danger.is-confirming {
  background: #8a2e25;
  animation: plan-shake 0.4s ease;
}
@keyframes plan-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}
@media (prefers-reduced-motion: reduce) {
  .btn.btn-danger.is-confirming { animation: none; }
}
@media (max-width: 640px) {
  .plan-meuble-edit { grid-template-columns: 1fr; }
}

/* Phase C-2 · drag-and-drop natif vignette → canvas */
.plan-catalogue__item.is-dragging,
[data-meuble-id].is-dragging {
  opacity: 0.5;
  cursor: grabbing;
}
.plan-canvas.is-drop-target,
#plan-canvas.is-drop-target {
  outline: 2px dashed var(--c-accent, #5a4a20);
  outline-offset: -4px;
  background: rgba(212, 161, 78, 0.04);
}
@media (max-width: 640px) {
  .plan-meuble-modal {
    grid-template-columns: 1fr;
  }
}

/* ============ Catalogue meubles Beckermann CUISINE (Phase A) ============ */
.plan-catalogue-hint {
  font-size: 0.78rem;
  color: var(--c-ink-soft, #6b6760);
  font-style: italic;
  margin: 0 0 12px;
  line-height: 1.4;
}
.plan-catalogue__search {
  margin: 10px 0 14px;
}
.plan-catalogue__search input {
  width: 100%;
  padding: 8px 12px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--c-ink, #2a2925);
}
.plan-catalogue__search input:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 1px;
  border-color: var(--c-accent, #5a4a20);
}
.plan-catalogue-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Accordéon niveau 1 · type de meuble (bas/haut/colonne) */
.plan-catalogue__type {
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 6px;
  background: rgba(245, 241, 234, 0.4);
}
.plan-catalogue__type > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 12px;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-ink, #2a2925);
  list-style: none;
}
.plan-catalogue__type > summary::-webkit-details-marker { display: none; }
.plan-catalogue__type > summary::after {
  content: '▾';
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--c-ink-soft, #6b6760);
  transition: transform 0.15s ease;
}
.plan-catalogue__type[open] > summary::after { transform: rotate(180deg); }
.plan-catalogue__type-label { flex: 1 1 auto; }
.plan-catalogue__type-count {
  font-size: 0.72rem;
  color: var(--c-ink-soft, #6b6760);
  font-weight: 500;
  background: var(--c-creme-light, #f5f1ea);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 8px;
  margin-right: 8px;
}

/* Accordéon niveau 2 · hauteur (798, 532, 266/399, etc.) */
.plan-catalogue__hauteur {
  margin: 6px 10px 10px;
}
.plan-catalogue__hauteur > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 8px;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-ink-soft, #6b6760);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  list-style: none;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 4px;
}
.plan-catalogue__hauteur > summary::-webkit-details-marker { display: none; }
.plan-catalogue__hauteur > summary::after {
  content: '▾';
  margin-left: auto;
  font-size: 0.65rem;
  transition: transform 0.15s ease;
}
.plan-catalogue__hauteur[open] > summary::after { transform: rotate(180deg); }
.plan-catalogue__hauteur-label { flex: 1 1 auto; }
.plan-catalogue__hauteur-count {
  font-size: 0.7rem;
  color: var(--c-ink, #2a2925);
  font-weight: 600;
}

/* Grille vignettes 2 colonnes */
.plan-catalogue__grid {
  list-style: none;
  padding: 8px 0 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.plan-catalogue__item {
  display: flex;
}
.plan-catalogue__vignette {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  width: 100%;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 5px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
}
.plan-catalogue__vignette:hover {
  border-color: var(--c-accent, #5a4a20);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(42, 41, 37, 0.12);
}
.plan-catalogue__vignette:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-catalogue__vignette img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--c-creme-light, #f5f1ea);
  border-radius: 3px;
}
.plan-catalogue__label {
  font-size: 0.7rem;
  color: var(--c-ink, #2a2925);
  line-height: 1.25;
  /* Tronque à 3 lignes max */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.plan-loading {
  margin: 0;
  font-style: italic;
  color: var(--c-ink-soft, #6b6760);
  font-size: 0.85rem;
}

/* Footer · prix live + actions */
.plan-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--plan-footer-h);
  background: var(--c-white, #ffffff);
  border-top: 1px solid var(--c-border, #e2dcd2);
  z-index: 10;
}
.plan-footer__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  height: 100%;
  max-width: 100%;
}
.plan-footer__status {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 60%;
}
.plan-footer__status-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft, #6b6760);
  font-weight: 500;
}
.plan-footer__status-value {
  font-size: 0.9rem;
  color: var(--c-ink, #2a2925);
  font-weight: 500;
}
.plan-footer__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* ============ Modales (paramètres murs, tracé mur, édition) ============ */
.plan-modal-root[hidden] { display: none; }
.plan-modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(20, 18, 14, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: planModalFadeIn 0.15s ease-out;
}
@keyframes planModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.plan-modal {
  background: var(--c-white, #ffffff);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.plan-modal__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--c-border, #e2dcd2);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}
.plan-modal__title {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--c-ink, #2a2925);
}
.plan-modal__close {
  background: transparent;
  border: 0;
  font-size: 1.5rem;
  color: var(--c-ink-soft, #6b6760);
  cursor: pointer;
  line-height: 1;
  padding: 0;
}
.plan-modal__close:hover { color: var(--c-ink, #2a2925); }
.plan-modal__close:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-modal__body {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.plan-modal__hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--c-ink-soft, #6b6760);
  font-style: italic;
  line-height: 1.4;
}
.plan-modal__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.plan-modal__field label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-ink, #2a2925);
}
.plan-modal__field input[type="number"],
.plan-modal__field input[type="text"],
.plan-modal__field select {
  padding: 8px 10px;
  border: 1.5px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-size: 1rem;
  color: var(--c-ink, #2a2925);
  background: var(--c-white, #ffffff);
}
.plan-modal__field input:focus-visible,
.plan-modal__field select:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
  border-color: var(--c-accent, #5a4a20);
}
.plan-modal__field-hint {
  font-size: 0.75rem;
  color: var(--c-ink-soft, #6b6760);
  font-style: italic;
}
.plan-modal__angle-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.plan-modal__angle-btn {
  flex: 1 1 60px;
  padding: 6px 10px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1.5px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.plan-modal__angle-btn:hover {
  border-color: var(--c-accent, #5a4a20);
}
.plan-modal__angle-btn.is-active {
  background: var(--c-accent, #5a4a20);
  color: var(--c-white, #ffffff);
  border-color: var(--c-accent, #5a4a20);
}
.plan-modal__angle-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
/* Focus visible sur canvas Top + 3D (WCAG 2.4.7 · application role) */
.plan-canvas:focus-visible,
.plan-canvas-3d:focus-visible {
  outline: 2px dashed var(--c-accent, #5a4a20);
  outline-offset: -4px;
}
.plan-modal__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--c-border, #e2dcd2);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.plan-modal__error {
  color: var(--c-error, #b8362e);
  font-size: 0.85rem;
  font-weight: 500;
  margin: 0;
  display: none;
}
.plan-modal__error.is-visible {
  display: block;
}

/* Panel d'astuces · pliable · coin bas-gauche du canvas · semi-transparent */
.plan-tips {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-md, 10px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  max-width: 260px;
  pointer-events: auto;
  z-index: 4;
}
.plan-tips__toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 6px 12px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  border-radius: var(--radius-md, 10px);
}
.plan-tips__toggle:hover { background: rgba(0,0,0,0.03); }
.plan-tips__toggle:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-tips__title {
  flex: 1;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft, #6b6760);
  font-weight: 600;
}
.plan-tips__toggle-icon {
  font-size: 0.85rem;
  color: var(--c-ink-soft, #6b6760);
  transition: transform 0.15s ease;
}
.plan-tips.is-collapsed .plan-tips__toggle-icon { transform: rotate(-90deg); }
.plan-tips.is-collapsed .plan-tips__body { display: none; }
.plan-tips__body {
  padding: 0 12px 8px;
}
.plan-tips__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.plan-tips__list li {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--c-ink, #2a2925);
}
.plan-tips__list kbd {
  display: inline-block;
  padding: 1px 5px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--c-accent, #5a4a20);
  margin-right: 2px;
}

/* Barre numérotée topbar pour navigation entre murs en vue Élévation */
.plan-elevation-topbar[hidden] { display: none; }
.plan-elevation-topbar {
  position: absolute;
  top: calc(var(--plan-toolbar-h) + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-md, 10px);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  z-index: 5;
  flex-wrap: wrap;
  max-width: calc(100% - 32px);
}
.plan-elevation-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--c-ink-soft, #6b6760);
  margin-right: 4px;
}
.plan-elevation-btn {
  position: relative;
  padding: 4px 12px;
  background: var(--c-creme-light, #f5f1ea);
  border: 1.5px solid var(--c-border, #e2dcd2);
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink, #2a2925);
  min-width: 36px;
  transition: all 0.15s ease;
}
.plan-elevation-btn:hover { border-color: var(--c-accent, #5a4a20); }
.plan-elevation-btn:focus-visible {
  outline: 2px solid var(--c-accent, #5a4a20);
  outline-offset: 2px;
}
.plan-elevation-btn.is-active {
  background: var(--c-accent, #5a4a20);
  color: var(--c-white, #ffffff);
  border-color: var(--c-accent, #5a4a20);
}
/* Pastille « ce mur porte des cotes » · point doré en haut à droite + chiffre discret */
.plan-elevation-btn.has-cotes::before {
  content: "";
  position: absolute;
  top: 3px; right: 3px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent, #5a4a20);
}
.plan-elevation-btn.is-active.has-cotes::before {
  background: var(--c-white, #ffffff);
}
.plan-elevation-btn__count {
  font-size: 0.65rem;
  font-weight: 500;
  margin-left: 4px;
  opacity: 0.75;
}

/* Bouton "Terminer la pièce" flottant pendant le tracé */
.plan-trace-banner {
  position: absolute;
  top: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-white, #ffffff);
  border: 1.5px solid var(--c-accent, #5a4a20);
  border-radius: var(--radius-md, 10px);
  padding: var(--space-2) var(--space-3);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  display: none;
  align-items: center;
  gap: var(--space-3);
  z-index: 5;
  pointer-events: auto;
}
.plan-trace-banner.is-visible { display: flex; }
.plan-trace-banner__info {
  font-size: 0.85rem;
  color: var(--c-ink, #2a2925);
}
.plan-trace-banner__info strong { color: var(--c-accent, #5a4a20); }

/* Mur en cours de prévisualisation (pointillé) */
.plan-canvas .is-preview {
  opacity: 0.6;
}

/* Indicateur live de distance pendant drag (mur isolé / forme) */
.plan-drag-info {
  position: absolute;
  top: calc(var(--plan-toolbar-h) + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(42, 41, 37, 0.96);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-md, 10px);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  z-index: 10;
  pointer-events: none;
  display: none;
}
.plan-drag-info.is-visible { display: block; }
.plan-drag-info__arrow {
  display: inline-block;
  margin-right: 8px;
  font-size: 1.1rem;
  color: #f4dca0;
}

/* ============ Tooltips d'aide contextuels ============ */
.plan-tooltip {
  position: fixed;
  background: rgba(42, 41, 37, 0.96);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm, 6px);
  font-size: 0.85rem;
  line-height: 1.45;
  max-width: 280px;
  z-index: 200;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  animation: planTooltipIn 0.15s ease-out;
}
.plan-tooltip::after {
  content: '';
  position: absolute;
  border: 6px solid transparent;
}
.plan-tooltip[data-placement="top"]::after {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: rgba(42, 41, 37, 0.96);
}
.plan-tooltip[data-placement="bottom"]::after {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: rgba(42, 41, 37, 0.96);
}
.plan-tooltip[data-placement="left"]::after {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-left-color: rgba(42, 41, 37, 0.96);
}
.plan-tooltip[data-placement="right"]::after {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-right-color: rgba(42, 41, 37, 0.96);
}
.plan-tooltip strong {
  display: block;
  color: #f4dca0;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}
@keyframes planTooltipIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .plan-tooltip,
  .plan-modal-root,
  .plan-onboarding-coach { animation: none; }
  /* Désactive toute transition CSS résiduelle · les surcouches Konva (snap highlight, preview)
     sont déjà sans animation CSS, mais on rappelle la règle générale ici. */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}