/* WebGL Aurora — fullscreen immersive simulation */

.webgl-stage {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 500px;
  overflow: hidden;
  background: #000208;
}

#aurora-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.webgl-stage .sim-badge {
  position: absolute;
  top: 4.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2rem;
  padding: 0.5rem 1.4rem;
  color: #a0ffcc;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  pointer-events: none;
  white-space: nowrap;
}

.sim-controls {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  align-items: center;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3rem;
  padding: 0.55rem 1.1rem;
  z-index: 10;
}

.sim-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #e0f8ea;
  border-radius: 1.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.sim-btn:hover { background: rgba(255,255,255,0.18); }
.sim-btn.active { background: rgba(0,200,120,0.25); border-color: rgba(0,200,120,0.4); }

.sim-label {
  color: rgba(255,255,255,0.5);
  font-size: 0.72rem;
  padding: 0 0.25rem;
}

.sim-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 3px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.sim-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #00ffaa;
  cursor: pointer;
}

.webgl-below {
  background: var(--bg, #0a0e1a);
  padding: 3rem 0;
}

.webgl-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent, #8b7cf8);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 2rem;
  opacity: 0.8;
}
.webgl-back-link:hover { opacity: 1; }

.webgl-intro {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  text-align: center;
  color: var(--muted, #9ca3af);
  line-height: 1.7;
}

.webgl-intro h2 {
  color: var(--fg, #e2e8f0);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.sim-webgl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.sim-webgl-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted, #9ca3af);
}
.sim-webgl-card strong {
  display: block;
  color: var(--fg, #e2e8f0);
  margin-bottom: 0.25rem;
}

/* Nav transparent over canvas */
body.webgl-page .nav {
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

@media (max-width: 480px) {
  .sim-controls { flex-wrap: wrap; justify-content: center; padding: 0.5rem 0.75rem; }
  .sim-slider { width: 60px; }
  .webgl-stage .sim-badge { font-size: 0.7rem; top: 4rem; }
}

/* Inline-style replacements (CSP: style-src self, no unsafe-inline) */
.webgl-related { margin-top: 2rem; }
.webgl-related h3 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--fg, #e2e8f0); }
.webgl-faq { margin-top: 2.5rem; }