/* ===========================================================================
   AIlin — Base element styles & a few brand primitives
   ---------------------------------------------------------------------------
   Light reset + sensible defaults so raw HTML already feels like AIlin.
   =========================================================================== */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--surface-app);
  color: var(--text-body);
  font: var(--type-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

/* Headings default to the editorial serif at display sizes,
   the grotesque at UI sizes (handled per-token where used). */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--text-strong);
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a {
  color: var(--text-link);
  text-decoration: none;
  text-underline-offset: 2px;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { text-decoration: underline; }

::selection {
  background: var(--accent-wash);
  color: var(--ink-900);
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-sm);
}

hr {
  border: 0;
  border-top: var(--border-hairline);
  margin: var(--space-5) 0;
}

code, kbd, samp { font-family: var(--font-mono); font-size: 0.92em; }

/* ---- Brand primitives usable in raw HTML ---- */

/* Editorial eyebrow / overline */
.ds-eyebrow {
  font: var(--type-eyebrow);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* The signature amber "highlighter" mark on transcribed text */
.ds-mark {
  background: linear-gradient(transparent 58%, var(--accent-wash) 58%);
  padding: 0 0.06em;
}

/* Mono timecode chip */
.ds-timecode {
  font: var(--type-mono);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Serif pull-quote */
.ds-quote {
  font: var(--fw-light, 400) var(--text-2xl)/1.3 var(--font-serif);
  font-style: italic;
  color: var(--text-strong);
  letter-spacing: var(--tracking-tight);
}