/* ─────────────────────────────────────────────────────────────
   Mode "Monde 3D" — portfolio conduisible façon mini-jeu.
   Le HTML classique reste la source de vérité et le fallback.
   ───────────────────────────────────────────────────────────── */

#world {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 60;
  display: none;
  touch-action: none;
}

body[data-mode='3d'] {
  overflow: hidden;
}

body[data-mode='3d'] #world {
  display: block;
}

/* En mode 3D, on masque le chrome de la page classique */
body[data-mode='3d'] .site-header,
body[data-mode='3d'] .scroll-progress,
body[data-mode='3d'] .cursor-glow,
body[data-mode='3d'] .command-button,
body[data-mode='3d'] .grain,
body[data-mode='3d'] #field {
  display: none !important;
}

/* ── Overlay d'accueil (choix 3D / classique) ── */

.w3-intro {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.w3-intro[hidden] {
  display: none;
}

.w3-intro-card {
  max-width: 560px;
  margin: 1rem;
  padding: 2.6rem 2.8rem;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 2);
  box-shadow: var(--shadow);
  text-align: center;
  font-family: inherit;
}

.w3-intro-card .eyebrow {
  margin-bottom: 0.8rem;
}

.w3-intro-card h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 860;
  line-height: 1.02;
  margin: 0 0 0.9rem;
  color: var(--ink);
}

.w3-intro-card p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 0 1.6rem;
}

.w3-intro-actions {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
}

.w3-intro-note {
  margin-top: 1.2rem;
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.8;
}

/* ── HUD en mode 3D ── */

.w3-hud {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  pointer-events: none;
  font-family: inherit;
}

body[data-mode='3d'] .w3-hud {
  display: block;
}

.w3-chip {
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.95rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink);
}

.w3-chip .brand-mark-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.62rem;
  font-weight: 860;
  letter-spacing: 0.04em;
}

.w3-exit {
  position: absolute;
  top: 18px;
  right: 18px;
  pointer-events: auto;
}

.w3-audio {
  position: absolute;
  top: 70px;
  right: 18px;
  pointer-events: auto;
  font-size: 0.85rem;
}

.w3-view {
  position: absolute;
  top: 122px;
  right: 18px;
  pointer-events: auto;
  font-size: 0.85rem;
}

.w3-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}

.w3-hint b {
  color: var(--ink);
  font-weight: 760;
}

/* ── Carte contextuelle (pads interactifs) ── */

.w3-card {
  position: absolute;
  right: 20px;
  bottom: 20px;
  width: min(340px, calc(100vw - 40px));
  padding: 1.3rem 1.4rem;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 2);
  box-shadow: var(--shadow);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.w3-card.is-on {
  opacity: 1;
  transform: translateY(0);
}

.w3-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
}

.w3-card p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ── bouton flottant "Mode 3D" en version classique ── */

.w3-enter {
  position: fixed;
  bottom: 22px;
  left: 22px;
  z-index: 55;
  display: none;
}

body:not([data-mode='3d']) .w3-enter.is-available {
  display: inline-flex;
}

/* ── minimap ── */

.w3-map {
  position: absolute;
  left: 18px;
  bottom: 18px;
  width: 128px;
  height: 128px;
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.w3-map canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── navigation rapide entre zones ── */

.w3-jump {
  position: absolute;
  bottom: 64px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  pointer-events: auto;
  max-width: min(92vw, 720px);
}

.w3-jump button {
  appearance: none;
  cursor: pointer;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  font: 700 0.78rem inherit;
  font-family: inherit;
  transition: border-color 160ms ease, transform 160ms ease;
}

.w3-jump button:hover,
.w3-jump button:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

@media (max-width: 720px) {
  .w3-map,
  .w3-hint {
    display: none;
  }

  .w3-chip {
    display: none;
  }

  .w3-exit {
    top: 12px;
    right: 12px;
    left: auto;
    width: auto;
    padding: 0.5rem 0.8rem;
    font-size: 0.82rem;
  }

  .w3-audio {
    top: 58px;
    right: 12px;
    left: auto;
    width: auto;
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
  }

  .w3-view {
    top: 102px;
    right: 12px;
    left: auto;
    width: auto;
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
  }

  .w3-jump {
    bottom: 12px;
    left: 0;
    right: 0;
    transform: none;
    max-width: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 12px 4px;
    scrollbar-width: none;
  }

  .w3-jump::-webkit-scrollbar {
    display: none;
  }

  .w3-jump button {
    flex: 0 0 auto;
  }

  .w3-card {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: 60px;
  }
}

/* ── joystick tactile ── */

.w3-stick {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: color-mix(in srgb, var(--panel-solid) 55%, transparent);
  display: none;
  pointer-events: none;
}

.w3-stick i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48px;
  height: 48px;
  margin: -24px 0 0 -24px;
  border-radius: 50%;
  background: var(--ink);
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  .w3-intro,
  .w3-enter,
  .w3-hud,
  #world {
    display: none !important;
  }
}