* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: #000;
  color: #ddd;
  font: 20px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#menu {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

h1 { font-size: 2em; margin: 0 0 8px; }
h2 { font-size: 1.15em; margin: 32px 0 8px; }
.lede { color: #aaa; }
ul { padding-left: 1.2em; }

button, select {
  font: inherit;
  color: #fff;
  background: #222;
  border: 2px solid #555;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
}
button:hover, button:focus, select:focus { border-color: #9cf; outline: none; }

label select { margin-left: 8px; }

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
}
.choice {
  flex: 1 1 320px;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 16px;
}
.choice p { color: #999; font-size: 0.85em; margin: 10px 0 0; }
.choice.recommended { border-color: #9cf; }

.note { color: #999; font-size: 0.85em; }
.error { color: #f88; }

#stage {
  position: fixed;
  inset: 0;
  top: 0; right: 0; bottom: 0; left: 0;
  background: #000;
  cursor: none;
}
#stage video {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
#stage.video video { display: block; }

/* Transient, low-contrast readout; never stays on screen. */
#overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 12px 24px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.45);
  font-size: 28px;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
#overlay.show { opacity: 1; }