:root {
  --nbv-bg: #0a0a0a;
  --nbv-panel-bg: rgba(10, 10, 10, 0.78);
  --nbv-gold: #caa653;
  --nbv-green: #4caf7d;
  --nbv-text: #f2f2f2;
  --nbv-text-dim: #b8b8b8;
}

#viewer, #nbv-watermark, #nbv-tour-picker, #nbv-tour-picker * { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--nbv-bg);
  color: var(--nbv-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#viewer {
  position: fixed;
  inset: 0;
}

/* ---------- watermark logo ---------- */
#nbv-watermark {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  opacity: 0.75;
  transition: opacity 0.2s;
  pointer-events: auto;
}

#nbv-watermark:hover {
  opacity: 1;
}

#nbv-watermark img {
  height: 40px;
  width: auto;
  display: block;
}

/* ---------- tour picker (landing state) ---------- */
#nbv-tour-picker {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--nbv-bg);
  text-align: center;
  padding: 24px;
}

#nbv-tour-picker h1 {
  color: var(--nbv-gold);
  font-weight: 600;
  margin-bottom: 4px;
}

#nbv-tour-picker p {
  color: var(--nbv-text-dim);
  margin-top: 0;
}

.nbv-error { color: #e07a5f; }

#nbv-tour-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
}

#nbv-tour-list a {
  display: block;
  padding: 10px 18px;
  border: 1px solid rgba(202, 166, 83, 0.4);
  border-radius: 6px;
  color: var(--nbv-text);
  text-decoration: none;
}

#nbv-tour-list a:hover {
  border-color: var(--nbv-gold);
  color: var(--nbv-gold);
}

.psv-navbar {
  background: var(--nbv-panel-bg) !important;
}

/* Hides the tour picker when a 360 tour is actively loading */
.nbv-hidden {
  display: none !important;
}