/*
 * Kaizosha site system
 * Loaded after page styles to keep shared shell and accessibility rules stable.
 * Page-specific composition remains in its own stylesheet.
 */

:root {
  --ks-font-mono: var(
    --mono,
    "Courier New",
    Courier,
    "Liberation Mono",
    monospace
  );
  --ks-font-ui: var(--mono-ui, var(--ks-font-mono));
  --ks-shell-edge: clamp(1rem, 2.5vw, 1.5rem);
  --ks-section-edge: clamp(1.25rem, 6vw, 7rem);
  --ks-header-height: 4.5rem;
  --ks-reading-width: 76ch;
  --ks-control-height: 2.75rem;
  --ks-footer-height: 7.5rem;
  --ks-rule: var(--site-rule, var(--rule, #dedede));
  --ks-text: var(--site-text, var(--text-bright, #111));
  --ks-muted: var(--site-dim, var(--text-dim, #626262));
  --ks-faint: var(--site-faint, var(--text-faint, #6f6f6f));
  --ks-surface: var(--site-bg, var(--bg, #f7f7f7));
  --ks-focus: var(--page-signal, var(--site-accent, var(--accent, #a84f00)));
}

body[data-page-family] {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

body[data-page-family] :where(main, section, article, header, footer, nav, div) {
  min-width: 0;
}

body[data-page-family] :where(img, picture, video, canvas, svg) {
  max-width: 100%;
}

body[data-page-family]:not([data-page-family="immersive"])
  :where(p, li) {
  overflow-wrap: break-word;
}

body[data-page-family]:not([data-page-family="immersive"])
  :where(h1, h2, h3) {
  overflow-wrap: normal;
  word-break: normal;
}

body[data-page-family]:not([data-page-family="immersive"])
  :where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--ks-focus);
  outline-offset: 4px;
}

body[data-page-family="identity"] .creator-footer {
  min-height: var(--ks-footer-height);
  display: grid;
  place-content: center;
  gap: 0.75rem;
  padding: 2rem var(--ks-shell-edge);
  border-top: 1px solid var(--ks-rule);
  color: var(--ks-muted);
  font-family: var(--ks-font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

body[data-page-family="identity"] .creator-footer > p {
  margin: 0;
  color: var(--ks-faint);
}

body[data-page-family="identity"] .creator-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

body[data-page-family="identity"] .creator-footer a {
  color: var(--ks-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

body[data-page-family="identity"] .creator-footer a:hover,
body[data-page-family="identity"] .creator-footer a:focus-visible {
  color: var(--ks-focus);
}

body[data-page-family="identity"] .creator-footer nav span {
  color: var(--ks-faint);
}

body[data-page-family="document"] .main {
  width: 100%;
  max-width: var(--ks-reading-width);
}

body[data-page-family="document"] .section-num,
body[data-page-family="document"] .toc-num {
  font-variant-numeric: tabular-nums;
}

@media (max-width: 640px) {
  :root {
    --ks-header-height: 4rem;
    --ks-footer-height: 6.5rem;
  }

  body[data-page-family="identity"] .creator-footer {
    padding: 1.75rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-page-family] *,
  body[data-page-family] *::before,
  body[data-page-family] *::after {
    scroll-behavior: auto !important;
  }
}