*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: #e2e8f0;
  min-height: 100vh;
}
a { color: inherit; }
.mock-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.mock-toolbar h1 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}
.mock-toolbar p {
  margin: 2px 0 0;
  font-size: 11px;
  color: rgba(148, 163, 184, 0.88);
}
.mock-back {
  border: 1px solid rgba(147, 197, 253, 0.34);
  border-radius: 999px;
  background: transparent;
  color: #e2e8f0;
  font-size: 12px;
  padding: 7px 12px;
  text-decoration: none;
  white-space: nowrap;
}
.mock-open {
  border: 1px solid rgba(250, 204, 21, 0.42);
  border-radius: 999px;
  background: rgba(113, 63, 18, 0.35);
  color: #fef9c3;
  font-size: 12px;
  padding: 7px 12px;
  white-space: nowrap;
}
.variant-tag {
  position: fixed;
  right: 12px;
  bottom: 12px;
  z-index: 30;
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.24);
  color: rgba(203, 213, 225, 0.88);
}