/*
 * MO TOWN 3D — page chrome for mo-town.html.
 * Fonts and voice match the existing site (see css/style.css):
 *   Fraunces = display, Public Sans = body, Special Elite = accent.
 * Only styles for the new 3D page live here — nothing global.
 */

:root {
  --m3d-ink: #071c1c;
  --m3d-teal: #0d3c3a;
  --m3d-amber: #f2c94c;
  --m3d-cream: #f5f0df;
  --m3d-aqua: #b9dacb;
}

html, body {
  height: 100%;
}

body.motown3d {
  margin: 0;
  overflow: hidden; /* the canvas IS the page — no scrolling */
  background: #bfe6df; /* matches the 3D sky so load-in is seamless */
  font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--m3d-ink);
}

/* The 3D canvas fills the whole viewport behind everything. */
#motownCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none; /* let Three.js own touch gestures */
}

/* ---- Header strip (floats over the canvas) ---- */
.m3d-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  pointer-events: none; /* clicks fall through to the map… */
}
.m3d-header a {
  pointer-events: auto; /* …except on the actual links */
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m3d-ink);
  text-decoration: none;
  background: rgba(245, 240, 223, 0.85);
  border: 1px solid rgba(7, 28, 28, 0.25);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
}
.m3d-header a:hover {
  background: var(--m3d-cream);
}
.m3d-header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  pointer-events: none; /* clicks fall through except on the buttons inside */
}

/* ---- Hint line at the bottom ---- */
.m3d-hint {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--m3d-ink);
  background: rgba(245, 240, 223, 0.75);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  pointer-events: none;
  text-align: center;
}

/* ---- Loading screen ---- */
.m3d-loader {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  background: var(--m3d-teal);
  color: var(--m3d-cream);
  transition: opacity 0.5s ease;
}
.m3d-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.m3d-loader-logo {
  width: min(360px, 72vw);
  height: auto;
  max-height: 34vh;
}
.m3d-loader h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: clamp(2rem, 6vw, 3.2rem);
  margin: 0;
  letter-spacing: 0.02em;
}
.m3d-loader p {
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0;
  color: var(--m3d-aqua);
}
.m3d-loader-track {
  width: min(260px, 60vw);
  height: 4px;
  border-radius: 999px;
  background: rgba(245, 240, 223, 0.2);
  overflow: hidden;
}
.m3d-loader-bar {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--m3d-amber);
  transition: width 0.4s ease;
}

/* ---- Resident info card (Session 3) ---- */
.m3d-card {
  position: fixed;
  z-index: 15;
  right: 1rem;
  bottom: 4rem;
  width: min(340px, calc(100vw - 2rem));
  background: rgba(245, 240, 223, 0.96);
  color: var(--m3d-ink);
  border: 1px solid rgba(7, 28, 28, 0.25);
  border-radius: 14px;
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 12px 40px rgba(7, 28, 28, 0.25);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.m3d-card.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.m3d-card-close {
  position: absolute;
  top: 0.5rem;
  right: 0.6rem;
  border: 0;
  background: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--m3d-ink);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}
.m3d-card-borough {
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.2rem;
  color: var(--m3d-teal);
}
.m3d-card-name {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1.6rem;
  margin: 0 0 0.1rem;
}
.m3d-card-building {
  font-size: 0.85rem;
  margin: 0 0 0.55rem;
  opacity: 0.8;
}
.m3d-card-state {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}
.m3d-card-state i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}
.m3d-card-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* On small screens the card docks to the bottom, above the hint. */
@media (max-width: 600px) {
  .m3d-card {
    left: 50%;
    right: auto;
    bottom: 0.9rem;
    transform: translate(-50%, 12px);
    width: min(94vw, 420px);
  }
  .m3d-card.is-open { transform: translate(-50%, 0); }
  .m3d-hint { display: none; } /* card takes the hint's spot */
}

/* ---- Arrival intro (Session 4) ---- */
.m3d-intro {
  position: fixed;
  inset: 0;
  z-index: 18;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 60, 58, 0.82);
  color: var(--m3d-cream);
  text-align: center;
  cursor: pointer;
  transition: opacity 0.6s ease;
}
.m3d-intro.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.m3d-intro-kicker {
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--m3d-aqua);
  margin: 0 0 0.6rem;
}
.m3d-intro h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: clamp(3rem, 10vw, 5.5rem);
  margin: 0 0 0.7rem;
  letter-spacing: 0.02em;
}
.m3d-intro-line {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(0.95rem, 2.6vw, 1.15rem);
  max-width: 30em;
  margin: 0 auto 1.6rem;
  padding: 0 1rem;
  color: rgba(245, 240, 223, 0.92);
}
.m3d-intro-cta {
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--m3d-amber);
  margin: 0;
  animation: m3dPulse 2.2s ease-in-out infinite;
}
@keyframes m3dPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
.m3d-intro-skip {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m3d-cream);
  background: none;
  border: 1px solid rgba(245, 240, 223, 0.5);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}
.m3d-intro-skip:hover { background: rgba(245, 240, 223, 0.12); }

/* ---- Sound toggle (Session 4) ---- */
.m3d-sound {
  pointer-events: auto;
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m3d-ink);
  background: rgba(245, 240, 223, 0.85);
  border: 1px solid rgba(7, 28, 28, 0.25);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}
.m3d-sound:hover { background: var(--m3d-cream); }
.m3d-sound[aria-pressed="true"] span { color: #2c8c66; }

/* ---- Session 2.5: vignette + asset credits ---- */
.m3d-vignette {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    transparent 58%, rgba(7, 28, 28, 0.16) 100%);
}
.m3d-credits {
  position: fixed;
  bottom: 0.3rem;
  left: 0.8rem;
  z-index: 10;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.62rem;
  color: rgba(7, 28, 28, 0.55);
  margin: 0;
  pointer-events: none;
}

/* ---- Credits button + modal (Session 5) ---- */
.m3d-credits-btn {
  pointer-events: auto;
  font-family: 'Special Elite', 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m3d-ink);
  background: rgba(245, 240, 223, 0.85);
  border: 1px solid rgba(7, 28, 28, 0.25);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}
.m3d-credits-btn:hover { background: var(--m3d-cream); }

.m3d-credits-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 28, 28, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.m3d-credits-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.m3d-credits-card {
  position: relative;
  width: min(440px, calc(100vw - 2.4rem));
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  background: var(--m3d-cream);
  color: var(--m3d-ink);
  border-radius: 14px;
  padding: 1.4rem 1.5rem 1.6rem;
  box-shadow: 0 20px 60px rgba(7, 28, 28, 0.35);
}
.m3d-credits-card h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0 0 0.9rem;
}
.m3d-credits-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  line-height: 1.6;
}
.m3d-credits-card li { margin-bottom: 0.5rem; }
.m3d-credits-close {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  border: 0;
  background: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--m3d-ink);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}