/* Admin console — reset, typography defaults, focus ring, .visually-hidden,
   skip-link, no-js baseline, <768px tablet/desktop gate.
   Loads after tokens-admin.css. Desktop 1440 + tablet 1024 only — see admin-shell.css. */

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

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--a-surface-app);
  color: var(--a-text-primary);
  font-family: var(--a-font-sans);
  font-size: var(--a-font-size-body);
  line-height: var(--a-line-height-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--a-weight-bold);
  text-wrap: pretty;
}

p, figure {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: var(--a-text-link);
  text-decoration: none;
}

a:hover {
  color: var(--a-text-link-hover);
}

input, select, textarea {
  font: inherit;
  color: inherit;
}

table {
  border-collapse: collapse;
}

/* ---------- Focus ---------- */
/* Never removed. 2px solid, 2px offset, on every interactive element. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--a-focus-ring);
  outline-offset: 2px;
}

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: var(--a-space-4);
  z-index: var(--a-z-dialog);
  padding: 12px 20px;
  background: var(--a-action-primary);
  color: var(--a-action-primary-fg);
  font-size: var(--a-font-size-body);
  font-weight: var(--a-weight-medium);
  border-radius: var(--a-radius-control);
  transition: top var(--a-duration-fast) var(--a-easing-standard);
}

.skip-link:focus {
  top: var(--a-space-4);
}

#work:focus-visible {
  outline: none;
}

/* ---------- No-JS baseline ---------- */
/* <html class="no-js">, removed by an inline head script as soon as JS runs.
   Every rule below must keep reading a case and its full context usable
   with JavaScript disabled — see demo/README.md decision E/F. */
.no-js [data-js-only] {
  display: none !important;
}

.no-js [data-dialog] {
  position: static !important;
  visibility: visible !important;
  transform: none !important;
  box-shadow: none !important;
  inset: auto !important;
  background: none !important;
  margin: var(--a-space-4) 0 !important;
}

.no-js [data-dialog-scrim] {
  display: none !important;
}

.no-js [data-tabpanel] {
  display: block !important;
}

/* Real content tabs (groups.html/knowledge.html) hide their tablist and
   show plain stacked headings instead — see [data-tabpanel-heading] below.
   The case-list filter tabs (index.html) are NOT marked [data-content-tabs]:
   they stay visible without JS, same precedent as the public site's
   before/after toggle — inert but not misleading, since every row is
   already shown unfiltered (decision E). */
.no-js [data-content-tabs] {
  display: none !important;
}

.no-js [data-tabpanel-heading] {
  display: block !important;
}

.no-js [data-noscript-note] {
  display: block !important;
}

[data-noscript-note] {
  display: none;
}

/* ---------- Tablet/desktop gate (<768px, out of scope by spec) ---------- */
.phone-gate {
  display: none;
}

@media (max-width: 767px) {
  .app-shell {
    display: none !important;
  }

  .phone-gate {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: var(--a-space-6);
    background: var(--a-surface-app);
  }

  .phone-gate__card {
    max-width: 320px;
    text-align: center;
    padding: var(--a-space-6);
    background: var(--a-surface-raised);
    border: 1px solid var(--a-border-default);
    border-radius: var(--a-radius-surface);
  }

  .phone-gate__title {
    font-size: var(--a-font-size-panel-title);
    font-weight: var(--a-weight-bold);
  }

  .phone-gate__text {
    margin-top: var(--a-space-3);
    font-size: var(--a-font-size-body-sm);
    color: var(--a-text-secondary);
    line-height: 1.7;
  }

  .phone-gate__link {
    margin-top: var(--a-space-5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--a-min-hit-touch);
    padding: 0 var(--a-space-5);
    background: var(--a-action-primary);
    color: var(--a-action-primary-fg);
    border-radius: var(--a-radius-control);
    font-size: var(--a-font-size-body-sm);
    font-weight: var(--a-weight-medium);
  }
}
