/* Static public pages (help.html, accessibility.html).
   Self-contained: no CDN, no inline styles (the vhost CSP is style-src 'self').
   Logical properties only (RTL-safe): margin-inline, padding-inline,
   text-align:start, inset-inline-start, border-inline-start.
   Palette mirrors the workbench violet skin (assets/loopai-skin.css). Every text
   pair is >= 4.5:1; non-text UI borders are >= 3:1. */

:root {
  --ink-1: #16161d;
  --ink-2: #3a3a45;
  --ink-3: #56566a;
  --surface: #ffffff;
  --field: #f7f7fa;
  --hairline: #d6d6e2;
  --ui-border: #767684;
  --brand: #5b4bd6;
  --brand-ink: #4c3fb8;
  --brand-050: #f1effe;
  --focus: #4c3fb8;
  color-scheme: light;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--field);
  color: var(--ink-1);
  font-family: "Inter", "Assistant", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

html[lang="he"] body {
  font-family: "Assistant", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Bilingual content: both languages live in the markup; the page language
   (html[lang]) decides which one is shown. Without script, English shows. */
html:not([lang="he"]) [data-l="he"],
html[lang="he"] [data-l="en"] { display: none; }

/* Skip link */
.skip-link {
  position: absolute;
  inset-inline-start: 0.5rem;
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--brand-ink);
  color: #ffffff;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus,
.skip-link:focus-visible { top: 0.5rem; }

/* Focus: visible on every interactive element */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 0.25rem;
}
main:focus { outline: none; }

a { color: var(--brand-ink); text-decoration: underline; text-underline-offset: 0.15em; }
a:hover { color: var(--ink-1); }

/* Header */
.site-header {
  background: var(--surface);
  border-block-end: 1px solid var(--hairline);
}
.bar {
  max-inline-size: 60rem;
  margin-inline: auto;
  padding-inline: 1rem;
  padding-block: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
}
.brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ink-1);
  text-decoration: none;
}
.site-nav { flex: 1 1 auto; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}
.site-nav a { display: inline-block; padding-block: 0.4rem; }
.site-nav a[aria-current="page"] {
  color: var(--ink-1);
  font-weight: 700;
  text-decoration-thickness: 3px;
}

/* Language switcher */
.lang-switch { display: inline-flex; gap: 0.25rem; }
.lang-btn {
  font: inherit;
  font-size: 0.875rem;
  min-block-size: 2.25rem;
  min-inline-size: 2.75rem;
  padding-inline: 0.75rem;
  background: var(--surface);
  color: var(--ink-1);
  border: 1px solid var(--ui-border);
  border-radius: 0.5rem;
  cursor: pointer;
}
.lang-btn:hover { background: var(--brand-050); }
.lang-btn[aria-pressed="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  font-weight: 700;
}

/* Page */
main {
  flex: 1 0 auto;
  inline-size: 100%;
  max-inline-size: 60rem;
  margin-inline: auto;
  padding-inline: 1rem;
  padding-block: 1.5rem 2rem;
}
h1 { font-size: 1.75rem; line-height: 1.25; margin-block: 0 0.5rem; }
h2 { font-size: 1.25rem; line-height: 1.3; margin-block: 0 0.75rem; }
h3 { font-size: 1.0625rem; line-height: 1.3; margin-block: 1.25rem 0.4rem; }
p { margin-block: 0 0.75rem; }
.lede { color: var(--ink-2); max-inline-size: 46rem; }
.updated { color: var(--ink-3); font-size: 0.9375rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin-block: 1rem;
}
.card > :last-child { margin-block-end: 0; }
.card ul,
.card ol { margin-block: 0 0.75rem; padding-inline-start: 1.5rem; }
.card li { margin-block-end: 0.35rem; }

.toc ul { list-style: none; padding-inline-start: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; }
.toc h2 { font-size: 1rem; }

.note {
  border-inline-start: 4px solid var(--brand);
  background: var(--brand-050);
  padding: 0.6rem 0.9rem;
  border-radius: 0.25rem 0.5rem 0.5rem 0.25rem;
  margin-block: 0 0.75rem;
}
html[dir="rtl"] .note { border-radius: 0.5rem 0.25rem 0.25rem 0.5rem; }

/* Keyboard keys */
kbd,
.key {
  display: inline-block;
  direction: ltr;
  unicode-bidi: isolate;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.875em;
  padding: 0.05em 0.5em;
  background: var(--field);
  color: var(--ink-1);
  border: 1px solid var(--ui-border);
  border-radius: 0.375rem;
  white-space: nowrap;
}

/* Key combinations always read left to right, even inside Hebrew text */
.combo {
  display: inline-block;
  direction: ltr;
  unicode-bidi: isolate;
  white-space: nowrap;
}

/* Shortcut lists: a wrapping description list, no scrolling table */
dl.keys {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 0.75rem;
}
dl.keys > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding-block: 0.4rem;
  border-block-end: 1px solid var(--hairline);
}
dl.keys dt { margin: 0; }
dl.keys dd { margin: 0; text-align: end; direction: ltr; unicode-bidi: isolate; }
@media (min-width: 40rem) {
  dl.keys { grid-template-columns: 1fr 1fr; column-gap: 2rem; }
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-block-start: 1px solid var(--hairline);
}
.site-footer .bar { justify-content: space-between; font-size: 0.9375rem; color: var(--ink-2); }
.site-footer p { margin: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  .lang-btn[aria-pressed="true"] { text-decoration: underline; outline: 2px solid Highlight; }
  .note { border-inline-start-color: CanvasText; }
}

@media print {
  .skip-link, .lang-switch { display: none; }
  body { background: #ffffff; }
}