/* placeholder — HUD styles added in Task 7 */
body { margin: 0; background: #0a0e1a; color: #f4f1ea; font-family: sans-serif; }
main { min-height: 100vh; display: grid; place-items: center; }
#scene {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}
#ui {
  position: relative;
  z-index: 10;
  pointer-events: none;
}
.scroll-spacer {
  height: 600vh;  /* 6 viewport heights of scroll runway */
  pointer-events: none;
}

/* ── HUD ───────────────────────────────────────────────── */
.np-card {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 80;
  padding: 0.7rem 0.9rem 0.8rem;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid rgba(244, 241, 234, 0.12);
  backdrop-filter: blur(10px);
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.7rem;
  color: #f4f1ea;
  border-radius: 4px;
  pointer-events: none;
  min-width: 180px;
}
.np-row { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.np-label { color: rgba(244, 241, 234, 0.6); text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.6rem; }
.np-name { margin: 0.3rem 0 0.5rem; font-family: serif; font-size: 1.05rem; font-style: italic; line-height: 1; }
.np-time, .np-total { font-variant-numeric: tabular-nums; color: rgba(244, 241, 234, 0.6); font-size: 0.65rem; }
.np-time { color: #f4f1ea; }

.rec-dot {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  z-index: 82;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: #ff4242;
  pointer-events: none;
}
.rec-led { width: 7px; height: 7px; border-radius: 50%; background: #ff4242; box-shadow: 0 0 10px #ff4242; animation: rec-blink 1.4s ease-in-out infinite; }
@keyframes rec-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.15; } }

.rail {
  position: fixed;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.rail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(244, 241, 234, 0.2);
  border: 1px solid rgba(244, 241, 234, 0.3);
  transition: background 0.4s, transform 0.4s;
}
.rail-dot.is-active { background: #d4b46a; border-color: #d4b46a; transform: scale(1.3); }