html, body {
  margin: 0;
  padding: 0;
  background: var(--pt-bg);
  color: var(--pt-text);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-md);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html { transition: background-color var(--pt-dur) var(--pt-ease); }

/* Flat warm black (or the light canvas), as Studio: no atmospheric wash. */
body {
  min-height: 100vh;
  background: var(--pt-bg);
}

.obs-shell,
.obs-shell *,
.obs-shell *::before,
.obs-shell *::after {
  box-sizing: border-box;
}

.obs-shell a {
  color: var(--pt-accent);
  text-decoration: none;
}
.obs-shell a:hover {
  text-decoration: underline;
}

.obs-shell :focus-visible {
  outline: 2px solid var(--pt-accent);
  outline-offset: 2px;
}

.obs-shell button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

@media (prefers-reduced-motion: reduce) {
  .obs-shell,
  .obs-shell *,
  .obs-shell *::before,
  .obs-shell *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}