/* ==========================================================================
   Tom Riese — Visite 3D
   Bascule de mode, couche ville, marqueurs flottants, panneau d'information.
   Reprend les tokens définis dans css/style.css (thème clair / sombre).
   ========================================================================== */

/* ============ 1. BASCULE DE MODE ============ */

.mode-toggle {
  display: inline-flex; align-items: center; gap: .42rem;
  padding: .34rem .78rem .34rem .62rem;
  border: 1px solid var(--accent-line); border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-ink);
  font-family: var(--font-mono); font-size: .74rem; font-weight: 500; letter-spacing: .05em;
  cursor: pointer; white-space: nowrap;
  transition: background-color .25s, border-color .25s, color .25s, transform .25s var(--ease);
}
.mode-toggle:hover { transform: translateY(-2px); }
.mode-toggle.is-active { background: var(--btn-bg); border-color: var(--btn-bg); color: var(--btn-fg); }
.mode-toggle i { font-size: .9em; }

/* ============ 2. ÉCRAN DE CHOIX ============ */

.mode-intro {
  position: fixed; inset: 0; z-index: 2100;
  display: grid; place-items: center; padding: 1.25rem;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  animation: cityFadeIn .4s var(--ease);
}
.mode-intro[hidden] { display: none; }
@keyframes cityFadeIn { from { opacity: 0; } to { opacity: 1; } }

.mode-intro-card {
  width: min(680px, 100%);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow-lg);
  text-align: center;
  animation: introPop .5s var(--ease) both;
}
@keyframes introPop { from { opacity: 0; transform: translateY(22px) scale(.97); } to { opacity: 1; transform: none; } }
.mode-intro-card .eyebrow { justify-content: center; }
.mode-intro-card h2 { margin: 0 0 .7rem; font-size: clamp(1.5rem, 3.6vw, 2.1rem); }
.mode-intro-text { margin: 0 auto 1.8rem; max-width: 46ch; color: var(--text-muted); }

.mode-options { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.mode-option {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  padding: 1.6rem 1.2rem; text-align: center;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); color: var(--text); cursor: pointer;
  transition: transform .3s var(--ease), border-color .3s, background-color .3s, box-shadow .3s;
}
.mode-option:hover, .mode-option:focus-visible {
  transform: translateY(-5px); border-color: var(--accent-line);
  background: var(--accent-soft); box-shadow: var(--shadow);
}
.mode-option-icon {
  display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: .3rem;
  border-radius: 16px; background: var(--accent-soft); color: var(--accent-ink); font-size: 1.4rem;
}
.mode-option strong { font-family: var(--font-head); font-size: 1.08rem; }
.mode-option span:last-child { color: var(--text-muted); font-size: .88rem; line-height: 1.5; }
.mode-note { margin: 1.5rem 0 0; color: var(--text-dim); font-size: .82rem; }

body.intro-open { overflow: hidden; }

/* ============ 3. COUCHE VILLE ============ */

.city { position: fixed; inset: 0; z-index: 1000; overflow: hidden; background: var(--bg); }
.city[hidden] { display: none; }
.city-canvas { display: block; width: 100%; height: 100%; touch-action: none; }

body.mode-city { overflow: hidden; }
body.mode-city #main,
body.mode-city .site-footer,
body.mode-city .to-top,
body.mode-city .scroll-progress { display: none !important; }
/* En mode ville il n'y a pas de défilement : la navbar n'obtient jamais sa
   classe .is-scrolled, on lui donne donc son fond translucide en permanence.
   Un fond totalement transparent ne garantirait pas le contraste du texte,
   qui se superpose tantôt au ciel clair, tantôt aux immeubles sombres. */
body.mode-city .site-header {
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
}

/* ============ 4. MARQUEURS ============ */

.city-markers { position: absolute; inset: 0; pointer-events: none; }

.city-marker {
  position: absolute; top: 0; left: 0; transform-origin: bottom center;
  display: flex; align-items: center; gap: .55rem;
  padding: .4rem .85rem .4rem .45rem; margin: 0;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px) saturate(150%); backdrop-filter: blur(12px) saturate(150%);
  color: var(--text); text-align: left; cursor: pointer;
  opacity: 0; visibility: hidden; pointer-events: auto;
  box-shadow: var(--shadow-sm);
  /* Pas de transition sur transform : il est recalculé à chaque image. */
  transition: opacity .35s var(--ease), visibility .35s, border-color .25s, background-color .25s;
}
.city-marker.is-shown { opacity: 1; visibility: visible; }
.city-marker::after {
  content: ""; position: absolute; top: 100%; left: 50%; translate: -50% 0;
  width: 1px; height: 18px;
  background: linear-gradient(to bottom, var(--marker-accent), transparent);
}
.city-marker-pin {
  display: grid; place-items: center; flex: none; width: 30px; height: 30px;
  border-radius: 50%; background: var(--marker-accent); color: #08130f; font-size: .82rem;
  transition: transform .3s var(--ease);
}
.city-marker-text { display: flex; flex-direction: column; line-height: 1.2; }
.city-marker-title { font-family: var(--font-head); font-size: .84rem; font-weight: 600; white-space: nowrap; }
.city-marker-type { font-size: .68rem; color: var(--text-dim); white-space: nowrap; }
.city-marker:hover, .city-marker.is-hovered, .city-marker:focus-visible {
  border-color: var(--marker-accent); background: var(--surface);
}
.city-marker:hover .city-marker-pin,
.city-marker.is-hovered .city-marker-pin { transform: scale(1.14) rotate(-6deg); }

/* ============ 5. AIDES ET RETOUR ============ */

.city-hint {
  position: absolute; left: 50%; bottom: 22px; translate: -50% 0; margin: 0;
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--glass); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  color: var(--text-muted); font-size: .82rem; text-align: center;
  pointer-events: none;
  animation: hintFade 1s var(--ease) 1.2s both;
  transition: opacity .3s;
}
.city-hint i { color: var(--accent-ink); }
@keyframes hintFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
/* `animation-fill-mode: both` fige l'opacité finale : il faut couper
   l'animation pour que la mise en retrait pendant le zoom soit effective. */
body.city-focused .city-hint { animation: none; opacity: 0; visibility: hidden; }

.city-back {
  position: absolute; top: calc(var(--header-h) + 16px); left: 20px;
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.15rem;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--glass); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  color: var(--text); font-size: .88rem; font-weight: 600; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateX(-12px);
  transition: opacity .3s var(--ease), visibility .3s, transform .3s var(--ease), border-color .25s, color .25s;
}
.city-back.is-shown { opacity: 1; visibility: visible; transform: none; }
.city-back:hover { color: var(--accent-ink); border-color: var(--accent-line); }

/* ============ 6. CHARGEMENT ============ */

.city-loader {
  position: absolute; inset: 0; z-index: 5;
  display: grid; place-content: center; justify-items: center; gap: 1.1rem;
  background: var(--bg); color: var(--text-muted);
  transition: opacity .6s var(--ease), visibility .6s;
}
.city-loader.is-done { opacity: 0; visibility: hidden; }
.city-loader.is-error { color: #ef6a6a; }
.city-loader p { margin: 0; font-size: .92rem; }
.city-loader .city-loader-pct { min-height: 1.2em; font-size: .82rem; color: var(--accent); font-variant-numeric: tabular-nums; }
.city-loader-ring {
  width: 42px; height: 42px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--accent);
  animation: citySpin 1s linear infinite;
}
@keyframes citySpin { to { transform: rotate(360deg); } }

/* ============ 7. PANNEAU D'INFORMATION ============ */

/* Le panneau démarre SOUS la navbar fixe : sinon son bouton de fermeture,
   positionné en haut, passe derrière l'en-tête et se retrouve rogné. */
.city-panel {
  position: absolute; top: var(--header-h); right: 0; bottom: 0; width: min(430px, 100%);
  display: flex; flex-direction: column;
  padding: 0;
  border-left: 1px solid var(--border);
  background: var(--glass);
  -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%);
  box-shadow: var(--shadow-lg);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform .55s var(--ease), visibility .55s;
}
.city-panel.is-open { transform: none; visibility: visible; }

.city-panel-close {
  position: absolute; top: 14px; right: 18px; z-index: 2;
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: 50%;
  background: var(--surface); color: var(--text); cursor: pointer;
  transition: color .25s, border-color .25s, transform .25s var(--ease);
}
.city-panel-close:hover { color: var(--accent-ink); border-color: var(--accent-line); transform: rotate(90deg); }

.city-panel-body {
  flex: 1; overflow-y: auto; overscroll-behavior: contain;
  padding: 1.5rem 1.6rem 2.4rem;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
/* Réserve la place du bouton de fermeture pour que le titre ne passe pas dessous. */
.city-panel-head { padding-right: 2.8rem; }
.city-panel-body > * { animation: panelIn .5s var(--ease) both; }
.city-panel-body > *:nth-child(2) { animation-delay: .06s; }
.city-panel-body > *:nth-child(3) { animation-delay: .12s; }
.city-panel-body > *:nth-child(4) { animation-delay: .18s; }
.city-panel-body > *:nth-child(5) { animation-delay: .24s; }
@keyframes panelIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.city-panel-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.1rem; }
.city-panel-badge {
  display: grid; place-items: center; flex: none; width: 48px; height: 48px;
  border-radius: 14px; background: var(--marker-accent); color: #08130f; font-size: 1.15rem;
}
.city-panel-title { margin: 0; font-size: 1.5rem; }
.city-panel-type { margin: .1rem 0 0; color: var(--text-dim); font-size: .82rem; }
.city-panel-lead { margin: 0 0 1.3rem; color: var(--text); font-size: 1rem; }
.city-panel-text { margin: 0 0 1.3rem; color: var(--text-muted); font-size: .93rem; }
.city-panel-cta { margin-top: 1.6rem; width: 100%; }

.city-cards { display: grid; gap: .8rem; margin-bottom: 1.2rem; }
.city-card { padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.city-card-icon {
  display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: .6rem;
  border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); font-size: .9rem;
}
.city-card h4 { margin: 0 0 .25rem; font-size: 1rem; }
.city-card p { margin: 0; color: var(--text-muted); font-size: .88rem; }
.city-card-stack {
  margin-top: .6rem !important; padding-top: .55rem; border-top: 1px dashed var(--border-soft);
  font-family: var(--font-mono); font-size: .72rem !important; color: var(--text-dim) !important; line-height: 1.7;
}

.city-timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.city-timeline li {
  padding: 1.1rem 1.2rem; border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: var(--radius); background: var(--surface);
}
.city-tl-date { margin: 0 0 .25rem; font-family: var(--font-mono); font-size: .74rem; color: var(--accent-ink); }
.city-tl-title { margin: 0 0 .1rem; font-size: 1.05rem; }
.city-tl-org { margin: 0 0 .6rem; color: var(--text-dim); font-size: .85rem; }
.city-tl-desc { margin: 0 0 .8rem; color: var(--text-muted); font-size: .89rem; }
.city-timeline .tag-list { margin-bottom: .7rem; }

.city-meters { margin-bottom: .5rem; }
.city-pills { margin-top: 1.3rem; }
.city-pills h4 { margin: 0 0 .7rem; font-size: .95rem; }

.city-skills { display: grid; gap: 1rem; margin-bottom: .5rem; }
.city-skill-row { padding-bottom: .9rem; border-bottom: 1px solid var(--border-soft); }
.city-skill-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: .8rem; margin-bottom: .6rem;
  font-family: var(--font-mono); font-size: .8rem; color: var(--text-muted);
}
.city-skill-count { color: var(--text-dim); font-size: .72rem; }
.city-skill-icons { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; padding: 0; margin: 0; }
.city-skill-icons li {
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2);
  transition: transform .25s var(--ease), border-color .25s;
}
.city-skill-icons li:hover { transform: translateY(-3px); border-color: var(--accent-line); }
.city-skill-icons img { width: 20px; height: 20px; object-fit: contain; }
.city-skill-icons i { color: var(--accent-ink); font-size: .9rem; }
:root[data-theme="dark"] .city-skill-icons img[data-invert="1"] { filter: invert(1) brightness(1.6); }

.city-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.city-contact li > * {
  display: flex; align-items: center; gap: .9rem;
  padding: .8rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  transition: transform .25s var(--ease), border-color .25s;
}
.city-contact li > a:hover { transform: translateX(4px); border-color: var(--accent-line); color: var(--text); }
.city-contact-ico {
  display: grid; place-items: center; flex: none; width: 36px; height: 36px;
  border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); font-size: .9rem;
}
.city-contact-txt { display: flex; flex-direction: column; min-width: 0; font-size: .9rem; overflow-wrap: anywhere; }
.city-contact-txt strong {
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim);
}

/* ============ 8. MOBILE ============ */

@media (max-width: 767.98px) {
  /* Le panneau devient une feuille qui remonte du bas. */
  .city-panel {
    top: auto; left: 0; right: 0; bottom: 0; width: 100%; height: 70svh;
    padding-top: 0;
    border-left: 0; border-top: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(102%);
  }
  .city-panel::before {
    content: ""; display: block; flex: none;
    width: 42px; height: 4px; margin: .7rem auto .2rem;
    border-radius: 999px; background: var(--border);
  }
  .city-panel-close { top: 10px; right: 12px; width: 34px; height: 34px; }
  .city-panel-body { padding: .8rem 1.1rem 2rem; }
  .city-panel-title { font-size: 1.25rem; }

  .city-back { top: calc(var(--header-h) + 10px); left: 12px; padding: .5rem .9rem; font-size: .82rem; }
  .city-hint { bottom: 14px; width: min(92%, 420px); font-size: .76rem; }
  body.city-focused .city-hint { display: none; }

  .city-marker { padding: .3rem .65rem .3rem .35rem; }
  .city-marker-pin { width: 25px; height: 25px; font-size: .72rem; }
  .city-marker-title { font-size: .76rem; }
  .city-marker-type { display: none; }

  .mode-toggle { padding: .34rem .5rem; }
  .mode-toggle .mode-toggle-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .city-panel-body > *,
  .city-hint,
  .mode-intro,
  .mode-intro-card { animation: none; }
}