/* Terasu Media House — base.css (Phase 6 v1)
   Minimal baseline: readability, focus, calm-mode hooks, and safe defaults.
*/

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

html, body{
  height: 100%;
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Content container helper (optional) */
.tmh-container{
  width: 100%;
  max-width: var(--max-content);
  margin-inline: auto;
  padding-inline: 16px;
}

/* Links */
a{
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover{
  text-decoration: underline;
}

/* Golden-White Origin Anchor rule:
   Only apply .origin-anchor to the fixed Origin link component. */
a.origin-anchor{
  color: var(--origin-anchor);
  text-decoration: none;
  text-shadow: var(--origin-anchor-glow);
}
a.origin-anchor:hover{
  text-decoration: underline;
}

/* Buttons / interactive */
button,
[role="button"],
input,
select,
textarea{
  font: inherit;
  color: inherit;
}

/* Focus states (ADA baseline) */
:focus{
  outline: none;
}
:focus-visible{
  box-shadow: var(--focus-ring);
  border-radius: 10px;
}

/* Reduce accidental motion for sensitive users */
@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

/* Transition helper class (use sparingly) */
.tmh-transition{
  transition:
    opacity calc(var(--dur-med) * var(--calm-motion-mult)) var(--ease),
    transform calc(var(--dur-med) * var(--calm-motion-mult)) var(--ease),
    filter calc(var(--dur-med) * var(--calm-motion-mult)) var(--ease);
}

/* Surfaces */
.tmh-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.tmh-card--strong{
  background: var(--surface-2);
  border-color: var(--border-strong);
}

/* Text utility */
.tmh-muted{ color: var(--text-muted); }
.tmh-faint{ color: var(--text-faint); }

/* Safety: no flashing/strobe by default.
   If you later add an opt-in “strobe” feature, it MUST be disabled when:
   - html[data-calm="1"]
   - prefers-reduced-motion: reduce
*/
html[data-calm="1"] .strobe,
@media (prefers-reduced-motion: reduce){
  .strobe{ display: none !important; }
}