* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #0c1216; }
#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

#overlay {
  position: fixed; inset: 0; z-index: 20;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(18,26,32,0.55), rgba(5,9,12,0.88));
  cursor: pointer;
  transition: opacity 0.9s ease;
}
#overlay.hidden { opacity: 0; pointer-events: none; }
#overlay-card {
  text-align: center; color: #cfe0e8;
  font-family: Georgia, 'Times New Roman', serif;
  padding: 2rem 3rem;
  text-shadow: 0 2px 18px rgba(0,0,0,0.7);
  user-select: none;
}
#overlay-card h1 { font-size: 3.2rem; font-weight: normal; letter-spacing: 0.35em; text-transform: uppercase; }
#overlay-card .sub { font-style: italic; opacity: 0.8; margin-top: 0.3rem; font-size: 1.1rem; }
#overlay-card .hint { margin-top: 2.2rem; font-size: 0.95rem; opacity: 0.9; font-family: system-ui, sans-serif; }
#overlay-card .tiny { margin-top: 0.8rem; font-size: 0.75rem; opacity: 0.55; font-family: system-ui, sans-serif; }
.mobile-hint { display: none; }
@media (pointer: coarse) {
  .desktop-hint { display: none; }
  .mobile-hint { display: inline; }
  #overlay-card h1 { font-size: 2.1rem; }
}

/* Shown only while pointer lock is gone mid-walk. Same manners as Golden Hour:
   low, centred, and faded rather than popped — a hint that snaps is a hint that
   startles, and this piece startles on purpose or not at all. */
#lock-hint {
  position: fixed; z-index: 16; left: 50%; bottom: 8%;
  transform: translateX(-50%);
  padding: 0.55rem 1.1rem; border-radius: 999px;
  background: rgba(8, 14, 18, 0.55);
  color: #cfe0e8; font-family: system-ui, sans-serif; font-size: 0.85rem;
  letter-spacing: 0.02em; white-space: nowrap;
  opacity: 0; pointer-events: none; user-select: none;
  transition: opacity 0.5s ease;
}
#lock-hint.show { opacity: 0.85; }
@media (pointer: coarse) { #lock-hint { display: none; } }
@media (prefers-reduced-motion: reduce) { #lock-hint { transition: none; } }

/* Cairn counter, bottom-left. Appears for a few seconds on each find. */
#cairn-chip {
  position: fixed; z-index: 16; left: 16px; bottom: 16px;
  padding: 0.5rem 1rem; border-radius: 999px;
  background: rgba(8, 14, 18, 0.55);
  color: #cfe0e8; font-family: system-ui, sans-serif; font-size: 0.85rem;
  letter-spacing: 0.04em; white-space: nowrap;
  opacity: 0; pointer-events: none; user-select: none;
  transition: opacity 0.6s ease;
}
#cairn-chip.show { opacity: 0.85; }
@media (prefers-reduced-motion: reduce) { #cairn-chip { transition: none; } }

/* A loose logbook page underfoot. Same manners as the cairn chip, other
   corner, so the two never talk over each other. */
#page-chip {
  position: fixed; z-index: 16; right: 16px; bottom: 16px;
  padding: 0.5rem 1rem; border-radius: 999px;
  background: rgba(8, 14, 18, 0.55);
  color: #cfe0e8; font-family: system-ui, sans-serif; font-size: 0.85rem;
  letter-spacing: 0.04em; white-space: nowrap;
  opacity: 0; pointer-events: none; user-select: none;
  transition: opacity 0.6s ease;
  touch-action: none;
}
#page-chip.show { opacity: 0.85; pointer-events: auto; }
@media (prefers-reduced-motion: reduce) { #page-chip { transition: none; } }

/* The page, read. Quiet on purpose: the world keeps running behind it, the
   fog keeps breathing, and letting go of the key puts the page back down.
   No close button, no page number, no chrome — just the handwriting. */
#page-overlay {
  position: fixed; inset: 0; z-index: 18;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(6,10,13,0.62), rgba(4,7,9,0.86));
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
#page-overlay.show { opacity: 1; }
#page-overlay-card {
  max-width: 34rem; max-height: 80vh; overflow: hidden;
  padding: 2.4rem 2.8rem;
  color: #d6cfba;
  font-family: Georgia, 'Times New Roman', serif;
  text-shadow: 0 1px 12px rgba(0,0,0,0.8);
  user-select: none;
}
#page-overlay-head {
  text-align: center; font-size: 0.72rem; letter-spacing: 0.4em;
  text-transform: uppercase; opacity: 0.45; margin-bottom: 1.6rem;
}
.page-date {
  font-size: 0.82rem; letter-spacing: 0.12em; opacity: 0.6;
  margin-top: 1.3rem;
}
.page-date:first-child { margin-top: 0; }
.page-body {
  margin-top: 0.35rem; font-size: 1.02rem; line-height: 1.65;
  font-style: italic;
}
.page-sig { margin-top: 0.3rem; text-align: right; opacity: 0.7; font-size: 0.92rem; }
@media (prefers-reduced-motion: reduce) { #page-overlay { transition: none; } }
@media (max-width: 600px) {
  #page-overlay-card { padding: 1.6rem 1.4rem; }
  .page-body { font-size: 0.95rem; }
}

/* Stronger than the beach's vignette — the woods should close in a little. */
#vignette {
  position: fixed; inset: 0; z-index: 5; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 48%, rgba(6,10,14,0.45) 100%);
}

#mute-btn {
  position: fixed; top: 14px; right: 14px; z-index: 15;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(0,0,0,0.35); color: #cfe0e8;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; cursor: pointer; user-select: none;
  transition: background 0.2s;
}
#mute-btn:hover { background: rgba(0,0,0,0.55); }

/* The headlamp toggle — hidden until the lamp is found on the cabin step,
   then it lives under the mute button. Dim until lit. */
#lamp-btn {
  position: fixed; top: 64px; right: 14px; z-index: 15;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(0,0,0,0.35); color: #7e8890;
  display: none; align-items: center; justify-content: center;
  font-size: 1.15rem; cursor: pointer; user-select: none;
  transition: background 0.2s, color 0.3s;
}
#lamp-btn.show { display: flex; }
#lamp-btn.lit { color: #e8dfb2; }
#lamp-btn:hover { background: rgba(0,0,0,0.55); }