/* Neuralignition shared base (one source: ni-lib/shared/ni.css, copied into each site by build.sh).
   Design tokens + the shared top bar, footer, edit buttons and cross-link blocks. Every class is ni-*,
   so it never fights a site's own stylesheet; each site keeps its identity on top of this base. */
:root {
  --ni-font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ni-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --ni-s1: 4px; --ni-s2: 8px; --ni-s3: 12px; --ni-s4: 16px; --ni-s5: 24px; --ni-s6: 32px; --ni-s7: 48px;
  --ni-r-sm: 8px; --ni-r: 12px; --ni-r-lg: 18px; --ni-pill: 999px;
  --ni-max: 1440px;
  --ni-pad: 40px;
  --ni-bar-h: 64px;
  --ni-sub-h: 35px;
  --ni-stick: calc(var(--ni-bar-h) + 1px);          /* top offset for a page's own sticky elements */
  --ni-stick-sub: calc(var(--ni-bar-h) + var(--ni-sub-h) + 2px);
  --ni-accent: #8b74ff;
  --ni-accent-2: #5ad1ff;
  --ni-accent-soft: #c9bcff;
  --ni-bg: #000;
  --ni-text: #fff;
  --ni-muted: #9a9aa3;
  --ni-line: rgba(255, 255, 255, 0.09);
  --ni-chip: rgba(255, 255, 255, 0.05);
  --ni-chip-hover: rgba(255, 255, 255, 0.1);
  --ni-ring: rgba(255, 255, 255, 0.1);
  --ni-ring-strong: rgba(160, 140, 255, 0.55);
  --ni-bar-bg: rgba(0, 0, 0, 0.72);
  --ni-menu-bg: #0b0b0e;
  --ni-input: rgba(255, 255, 255, 0.06);
  --ni-focus: #fff;
  --ni-cta-bg: #fff;
  --ni-cta-fg: #000;
  --ni-glow: rgba(124, 100, 235, 0.55);
  --ni-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.85);
  --ni-ok: #6ee7a8; --ni-warn: #ffd166; --ni-bad: #ff8a8a;
}
:root[data-theme="light"] {
  --ni-accent: #6f58e0;
  --ni-accent-2: #136c9a;
  --ni-accent-soft: #4a35c4;
  --ni-bg: #f3f3f5;
  --ni-text: #141418;
  --ni-muted: #5c5c66;
  --ni-line: rgba(20, 20, 30, 0.1);
  --ni-chip: #fff;
  --ni-chip-hover: #ececf2;
  --ni-ring: rgba(20, 20, 30, 0.12);
  --ni-ring-strong: rgba(111, 88, 224, 0.5);
  --ni-bar-bg: rgba(243, 243, 245, 0.82);
  --ni-menu-bg: #fff;
  --ni-input: #fff;
  --ni-focus: #141418;
  --ni-cta-bg: #141418;
  --ni-cta-fg: #fff;
  --ni-glow: rgba(111, 88, 224, 0.3);
  --ni-shadow: 0 18px 40px -18px rgba(20, 20, 50, 0.28);
  --ni-ok: #11734a; --ni-warn: #8a5a00; --ni-bad: #b42323;
}

/* ---- top bar ------------------------------------------------------------ */
.ni-bar { position: sticky; top: 0; z-index: 50; width: 100%; background: var(--ni-bar-bg); border-bottom: 1px solid var(--ni-line);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); font-family: var(--ni-font); color: var(--ni-text); }
.ni-bar *, .ni-bar *::before, .ni-bar *::after { box-sizing: border-box; }
.ni-bar-in { display: flex; align-items: center; gap: var(--ni-s4); width: 100%; max-width: var(--ni-max); min-height: var(--ni-bar-h); margin: 0 auto;
  padding: 0 var(--ni-pad); padding-left: max(var(--ni-pad), env(safe-area-inset-left)); padding-right: max(var(--ni-pad), env(safe-area-inset-right)); }
.ni-bar.is-wide .ni-bar-in { max-width: none; }
.ni-logo { display: inline-flex; align-items: center; gap: 10px; flex: none; color: var(--ni-text); font-size: 16px; font-weight: 700; letter-spacing: 0.01em; text-decoration: none; white-space: nowrap; }
.ni-glyph { width: 22px; height: 22px; flex: none; border-radius: 7px; background: conic-gradient(from 210deg, #8b74ff, #c9bcff, #5ad1ff, #8b74ff); box-shadow: 0 0 18px var(--ni-glow); }
.ni-logo-site { padding-left: 10px; margin-left: 2px; border-left: 1px solid var(--ni-line); color: var(--ni-muted); font-weight: 600; font-size: 14px; }
.ni-menu { display: flex; align-items: center; gap: var(--ni-s3); flex: 1; min-width: 0; }
.ni-nav { display: flex; align-items: center; gap: 2px; margin-left: var(--ni-s3); }
.ni-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: var(--ni-pill); color: var(--ni-muted); font-size: 13.5px; font-weight: 600;
  text-decoration: none; white-space: nowrap; transition: color 0.15s ease, background-color 0.15s ease; }
.ni-nav a:hover { color: var(--ni-text); background: var(--ni-chip-hover); }
.ni-nav a[aria-current="page"], .ni-nav a.is-on { color: var(--ni-text); background: var(--ni-chip); box-shadow: inset 0 0 0 1px var(--ni-ring); }
.ni-nav .ni-priv svg { opacity: 0.75; }
.ni-nav .ni-sep { width: 1px; height: 18px; margin: 0 6px; background: var(--ni-line); }
.ni-find { position: relative; display: flex; align-items: center; margin-left: auto; width: min(280px, 26vw); }
.ni-find svg { position: absolute; left: 11px; color: var(--ni-muted); pointer-events: none; }
.ni-find input { width: 100%; height: 36px; padding: 0 34px 0 34px; border: 1px solid var(--ni-ring); border-radius: var(--ni-pill); background: var(--ni-input); color: var(--ni-text);
  font: inherit; font-size: 13.5px; -webkit-appearance: none; appearance: none; }
.ni-find input::placeholder { color: var(--ni-muted); }
.ni-find input:focus { outline: none; border-color: var(--ni-ring-strong); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ni-accent) 22%, transparent); }
.ni-find input::-webkit-search-cancel-button { display: none; }
.ni-find kbd { position: absolute; right: 9px; padding: 1px 6px; border: 1px solid var(--ni-ring); border-radius: 6px; color: var(--ni-muted); font: 600 11px var(--ni-font); }
.ni-find input:focus + kbd, .ni-find input:not(:placeholder-shown) + kbd { display: none; }
.ni-extra { display: flex; align-items: center; gap: var(--ni-s2); }
.ni-extra form { margin: 0; }
.ni-btn-sm, .ni-bar .ni-extra button { height: 34px; padding: 0 14px; border: 1px solid var(--ni-ring); border-radius: var(--ni-pill); background: var(--ni-chip); color: var(--ni-text);
  font: 600 13px var(--ni-font); cursor: pointer; }
.ni-btn-sm:hover, .ni-bar .ni-extra button:hover { background: var(--ni-chip-hover); }
.ni-bar .theme-toggle { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; margin: 0; border: 1px solid var(--ni-ring); border-radius: var(--ni-pill);
  background: var(--ni-chip); color: var(--ni-text); font: 600 13px var(--ni-font); cursor: pointer; flex: none; }
.ni-bar .theme-toggle:hover { background: var(--ni-chip-hover); }
.ni-bar .theme-toggle svg { flex: none; }
.ni-bar .theme-toggle .icon-moon, .ni-bar .theme-toggle .theme-label-dark { display: none; }
:root[data-theme="light"] .ni-bar .theme-toggle .icon-sun, :root[data-theme="light"] .ni-bar .theme-toggle .theme-label-light { display: none; }
:root[data-theme="light"] .ni-bar .theme-toggle .icon-moon, :root[data-theme="light"] .ni-bar .theme-toggle .theme-label-dark { display: inline; }
.ni-menu-btn { display: none; margin-left: auto; width: 40px; height: 40px; padding: 0; border: 1px solid var(--ni-ring); border-radius: var(--ni-r); background: var(--ni-chip); color: var(--ni-text); cursor: pointer; }
.ni-menu-btn svg { display: block; margin: auto; }
.ni-menu-btn .ni-x { display: none; }
.ni-menu-btn[aria-expanded="true"] .ni-x { display: block; }
.ni-menu-btn[aria-expanded="true"] .ni-burger { display: none; }
.ni-sub { border-top: 1px solid var(--ni-line); }
.ni-sub-in { display: flex; align-items: center; gap: 2px; width: 100%; max-width: var(--ni-max); margin: 0 auto; padding: 4px var(--ni-pad); overflow-x: auto; scrollbar-width: none; }
.ni-bar.is-wide .ni-sub-in { max-width: none; }
.ni-sub-in a { padding: 5px 11px; border-radius: var(--ni-pill); color: var(--ni-muted); font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.ni-sub-in a:hover { color: var(--ni-text); background: var(--ni-chip-hover); }
.ni-sub-in a[aria-current="page"] { color: var(--ni-text); background: var(--ni-chip); box-shadow: inset 0 0 0 1px var(--ni-ring); }
.ni-bar :focus-visible, .ni-foot :focus-visible, .ni-edit:focus-visible, .ni-rel a:focus-visible { outline: 2px solid var(--ni-focus); outline-offset: 2px; }
.ni-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ni-skip { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 9px 14px; border-radius: var(--ni-r-sm); background: var(--ni-cta-bg); color: var(--ni-cta-fg); font: 700 14px var(--ni-font); text-decoration: none; }
.ni-skip:focus { top: 10px; }

@media (max-width: 1100px) {
  .ni-find { width: min(220px, 24vw); }
  .ni-logo-site { display: none; }
}
@media (max-width: 860px) {
  :root { --ni-pad: 18px; --ni-bar-h: 58px; }
  .ni-menu-btn { display: block; }
  .ni-menu { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: var(--ni-s3);
    padding: var(--ni-s4) var(--ni-pad) var(--ni-s5); background: var(--ni-menu-bg); border-bottom: 1px solid var(--ni-line); box-shadow: var(--ni-shadow);
    max-height: calc(100dvh - var(--ni-bar-h)); overflow-y: auto; }
  .ni-bar.is-open .ni-menu { display: flex; }
  .ni-nav { flex-direction: column; align-items: stretch; gap: 2px; margin: 0; }
  .ni-nav a { padding: 12px 14px; font-size: 16px; border-radius: var(--ni-r); }
  .ni-nav .ni-sep { width: auto; height: 1px; margin: 6px 0; }
  .ni-find { order: -1; width: 100%; margin: 0; }
  .ni-find input { height: 44px; font-size: 16px; }
  .ni-find kbd { display: none; }
  .ni-extra { justify-content: flex-start; flex-wrap: wrap; }
  .ni-bar .theme-toggle, .ni-extra button { height: 44px; padding: 0 16px; }
  .ni-bar .theme-toggle { align-self: flex-start; }
  :root:not(.ni-js) .ni-bar .ni-menu { display: flex; position: static; box-shadow: none; padding: 0 0 var(--ni-s3); background: transparent; }
  :root:not(.ni-js) .ni-bar .ni-menu-btn { display: none; }
  :root:not(.ni-js) .ni-bar .ni-bar-in { flex-wrap: wrap; }
}

/* ---- footer ------------------------------------------------------------- */
.ni-foot { width: 100%; margin-top: auto; border-top: 1px solid var(--ni-line); color: var(--ni-muted); font: 13px/1.5 var(--ni-font); }
.ni-foot-in { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: var(--ni-s5); width: 100%; max-width: var(--ni-max); margin: 0 auto;
  padding: var(--ni-s6) var(--ni-pad) var(--ni-s5); padding-bottom: max(var(--ni-s5), env(safe-area-inset-bottom)); }
.ni-foot.is-wide .ni-foot-in { max-width: none; }
.ni-foot h2 { margin: 0 0 8px; color: var(--ni-text); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.ni-foot p { margin: 8px 0 0; max-width: 360px; }
.ni-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ni-foot a { color: var(--ni-muted); text-decoration: none; }
.ni-foot a:hover { color: var(--ni-text); text-decoration: underline; text-underline-offset: 3px; }
.ni-foot .ni-logo { font-size: 15px; }
.ni-foot-base { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; padding-top: var(--ni-s4); border-top: 1px solid var(--ni-line); font-size: 12.5px; }
.ni-foot-base a { display: inline-flex; align-items: center; gap: 5px; }
@media (max-width: 860px) { .ni-foot-in { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-top: var(--ni-s5); } .ni-foot-brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .ni-foot-in { grid-template-columns: 1fr; } }

/* ---- signed-in edit buttons (filled by ni.js only when signed in) --------- */
.ni-edit-slot:empty { display: none; }
.ni-edit { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: var(--ni-pill); border: 1px dashed var(--ni-ring-strong);
  background: color-mix(in srgb, var(--ni-accent) 12%, transparent); color: var(--ni-text); font: 600 12px var(--ni-font); text-decoration: none; white-space: nowrap; }
.ni-edit:hover { background: color-mix(in srgb, var(--ni-accent) 22%, transparent); }
.ni-edit svg { flex: none; }

/* ---- cross-links ---------------------------------------------------------- */
.ni-rel { margin: 0; }
.ni-rel h2, .ni-rel h3 { margin: 0 0 10px; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ni-muted); }
.ni-rel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ni-rel li a { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: baseline; padding: 10px 12px; border-radius: var(--ni-r); background: var(--ni-chip);
  box-shadow: inset 0 0 0 1px var(--ni-ring); color: var(--ni-text); text-decoration: none; }
.ni-rel li a:hover { box-shadow: inset 0 0 0 1px var(--ni-ring-strong); }
.ni-rel li small { grid-row: span 2; align-self: start; padding: 2px 8px; border-radius: var(--ni-pill); background: color-mix(in srgb, var(--ni-accent) 16%, transparent); color: var(--ni-text); font-size: 11px; font-weight: 700; }
.ni-rel li b { font-size: 14px; font-weight: 600; line-height: 1.35; }
.ni-rel li em { color: var(--ni-muted); font-size: 12.5px; font-style: normal; }
.ni-rel .ni-rel-more { display: inline-block; margin-top: 10px; color: var(--ni-muted); font-size: 13px; }
.ni-links { display: flex; flex-wrap: wrap; gap: 4px 8px; margin: 4px 0 0; font-size: 12px; }
.ni-links a { color: var(--ni-muted); text-decoration: none; padding: 1px 0; }
.ni-links a:hover { color: var(--ni-text); text-decoration: underline; }
.ni-links .is-off { color: var(--ni-muted); opacity: 0.55; }

/* ---- shared search badges ------------------------------------------------- */
.ni-badge { display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: var(--ni-pill); font: 700 10.5px var(--ni-font); letter-spacing: 0.04em; vertical-align: 1px;
  background: color-mix(in srgb, var(--ni-accent) 18%, transparent); color: var(--ni-text); }
.ni-badge.is-locked { background: color-mix(in srgb, var(--ni-bad) 20%, transparent); }
.ni-badge.is-hidden { background: color-mix(in srgb, var(--ni-warn) 22%, transparent); }

@media (prefers-reduced-motion: reduce) { .ni-bar *, .ni-foot * { transition: none !important; } }
@media print { .ni-bar, .ni-edit-slot { display: none !important; } }

/* per-site widths (content containers differ: apex/portfolio/resources 1440, cortex 1840, labs full) */
.ni-bar[data-ni-site="cortex"], .ni-foot[data-ni-site="cortex"] { --ni-max: 1840px; }