/* Shared chrome for the full-screen deep-dive demo pages */
:root {
  --bg: #07070c;
  --text: #f7f8fc;
  --text-2: #c3c6d8;
  --text-3: #9296ad;
  --violet: #8b6cff;
  --cyan: #3ee6d4;
  --line: rgba(255, 255, 255, 0.1);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

canvas, .am-demo-stage { position: fixed; inset: 0; display: block; }

.am-demo-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  background: linear-gradient(to bottom, rgba(7, 7, 12, 0.9), transparent);
  pointer-events: none;
}

.am-demo-bar > * { pointer-events: auto; }

.am-demo-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.52rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(16, 16, 25, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s, transform 0.3s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.am-demo-back:hover {
  border-color: rgba(62, 230, 212, 0.55);
  background: rgba(62, 230, 212, 0.1);
  transform: translateX(-3px);
}

.am-demo-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}

.am-demo-info {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  z-index: 20;
  max-width: 400px;
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(13, 13, 20, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 30px 70px -45px #000;
}

.am-demo-info h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.025em;
  margin: 0 0 0.5rem;
}

.am-demo-info p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-2);
}

.am-demo-hint {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(13, 13, 20, 0.62);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  pointer-events: none;
}

.am-demo-hint::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: amDemoPulse 1.7s ease-in-out infinite;
}

@keyframes amDemoPulse { 50% { opacity: 0.3; transform: scale(0.7); } }

@media (max-width: 720px) {
  .am-demo-info { max-width: none; left: 1rem; right: 1rem; bottom: 1rem; }
  .am-demo-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}