/* Topic worlds and a depth layer for the home hero. No external assets. */
.studio-sky {
  position: relative;
  height: 120px;
  margin: 0 0 -40px;
  overflow: hidden;
  pointer-events: none;
}
.studio-sky canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.worlds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 18px 0 8px;
  perspective: 800px;
}
.world-card {
  display: block;
  min-height: 88px;
  padding: 12px 12px 14px;
  border-radius: 16px;
  border: 2px solid var(--line, rgba(22, 24, 43, 0.16));
  background: var(--bg, #f3f6ff);
  color: var(--ink, #16182b);
  text-decoration: none;
  transform: translateZ(0);
  box-shadow: 0 10px 0 rgba(15, 155, 142, 0.18);
}
.world-card strong { display: block; font-size: 1rem; }
.world-card span { display: block; margin-top: 4px; font-size: 0.85rem; }
.world-card:hover,
.world-card:focus-visible {
  transform: translateY(-4px) rotateX(4deg);
  outline: 3px solid var(--accent, #0f766e);
  outline-offset: 2px;
}
@media (max-width: 420px) {
  .worlds { grid-template-columns: 1fr 1fr; }
  .studio-sky { height: 72px; }
}
.dial-sim {
  display: grid;
  gap: 10px;
  max-width: 40rem;
  margin: 12px 0 20px;
  padding: 14px;
  border: 2px solid var(--accent, #0f766e);
  border-radius: 16px;
  background: var(--bg, #f3f6ff);
  color: var(--ink, #16182b);
}
.dial-sim label { display: grid; gap: 4px; font-weight: 700; }
.dial-sim input, .dial-sim select, .dial-sim button {
  min-height: 44px;
  font: inherit;
  border-radius: 10px;
  border: 2px solid var(--ink, #16182b);
  padding: 6px 10px;
  background: #fff;
  color: #16182b;
}
.dial-sim button { background: #0f766e; color: #f8fffe; font-weight: 700; }
.dial-sim pre {
  white-space: pre-wrap;
  margin: 0;
  padding: 10px;
  border-radius: 10px;
  background: #0b1120;
  color: #e0f2fe;
}
.dial-sim button:focus-visible,
.dial-sim input:focus-visible,
.dial-sim select:focus-visible { outline: 3px solid #fde047; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .studio-sky { display: none; }
  .world-card,
  .world-card:hover,
  .world-card:focus-visible { transform: none; transition: none; }
}