/* Single source of truth for nav styling, loaded by every nav-bearing
   surface. Other stylesheets (style.css, helix.css, etc.) used to
   duplicate these rules; now they import this one or link to it.
   The horizontal top-bar + Apps dropdown is the desktop layout; the
   burger + nav-menu still ship for ≤720px screens. */

:root {
  --nav-accent:      #a78bfa;
  --nav-bg:          rgba(10, 13, 20, 0.85);
  --nav-bg-panel:    rgba(10, 13, 20, 0.96);
  --nav-border:      rgba(167, 139, 250, 0.30);
  --nav-text:        #e9eef7;
  --nav-text-muted:  #9bb6ea;
}

/* ── Top bar ────────────────────────────────────────────────────────── */
.nav {
  display: flex; align-items: center; justify-content: flex-start; gap: 6px;
  height: 64px; padding: 0 24px;
  position: sticky; top: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nav-border);
  z-index: 50;
}
.nav .nav-links { display: none; }  /* legacy class from style.css — superseded by .nav-inline */
.nav .brand {
  font-weight: 700; font-size: 17px;
  color: var(--nav-accent); text-decoration: none;
  letter-spacing: 0.02em;
}

/* ── Inline links (desktop) ─────────────────────────────────────────── */
.nav-inline {
  display: flex; gap: 2px;
  list-style: none; margin: 0 0 0 28px; padding: 0;
}
.nav-inline-item { position: relative; }
.nav-inline-link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 12px;
  background: transparent; border: 0;
  color: var(--nav-text-muted);
  font: inherit; font-size: 14px; font-weight: 500;
  text-decoration: none;
  border-radius: 8px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.nav-inline-link:hover { background: rgba(167,139,250,0.10); color: var(--nav-text); }
.nav-inline-link.current { color: var(--nav-accent); background: rgba(167,139,250,0.08); }
.nav-apps-trigger .caret { font-size: 10px; opacity: 0.7; transition: transform 0.18s; }
.nav-apps.open .nav-apps-trigger .caret { transform: rotate(180deg); }

/* Apps dropdown (desktop): hovers in, click-toggleable, click-outside-closes.
   Sits absolutely below the Apps button. */
.nav-apps-menu {
  position: absolute; top: calc(100% + 6px); left: 0;
  width: 340px;
  background: var(--nav-bg-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--nav-border);
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.5);
  opacity: 0; transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 60;
}
.nav-apps.open .nav-apps-menu,
.nav-apps:hover .nav-apps-menu,
.nav-apps:focus-within .nav-apps-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-apps-menu a.nav-app {
  display: block; padding: 10px 12px;
  background: rgba(167,139,250,0.04); border: 1px solid rgba(167,139,250,0.10);
  border-radius: 10px; margin: 4px 0;
  text-decoration: none; line-height: 1.3;
}
.nav-apps-menu a.nav-app:hover { background: rgba(167,139,250,0.12); border-color: rgba(167,139,250,0.32); }
.nav-apps-menu .nav-app-name { display: block; font-size: 14px; color: var(--nav-text); font-weight: 500; }
.nav-apps-menu .nav-app-tag  { display: block; font-size: 12px; color: var(--nav-text-muted); margin-top: 2px; }
.nav-apps-menu .nav-app .nav-app-emoji { margin-right: 6px; }
.nav-apps-menu .nav-app[data-status="live"] .nav-app-name::after { content: '·'; margin-left: 8px; color: #6ee7b7; }

/* ── Cmd-K trigger (top-bar button) ─────────────────────────────────── */
.cmdk-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: rgba(167,139,250,0.06);
  border: 1px solid rgba(167,139,250,0.18);
  border-radius: 8px;
  color: var(--nav-text-muted);
  font: inherit; font-size: 13px;
  cursor: pointer;
  margin-left: auto;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.cmdk-trigger:hover { background: rgba(167,139,250,0.12); border-color: var(--nav-accent); color: var(--nav-text); }
.cmdk-label { color: inherit; }
.cmdk-kbd, .cmdk-esc {
  background: rgba(167,139,250,0.10);
  border: 1px solid rgba(167,139,250,0.20);
  border-radius: 4px;
  padding: 1px 6px;
  font: 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--nav-text-muted);
}

/* ── GitHub icon link ──────────────────────────────────────────────── */
.nav-gh-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  color: var(--nav-text-muted);
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.nav-gh-link:hover { color: var(--nav-text); background: rgba(167,139,250,0.08); }

/* ── Burger button (mobile only) ────────────────────────────────────── */
.burger {
  position: relative;
  display: none;
  width: 40px; height: 40px;
  background: rgba(167,139,250,0.06);
  border: 1px solid rgba(167,139,250,0.30);
  border-radius: 10px;
  cursor: pointer; padding: 0;
  margin-left: 4px;
  isolation: isolate;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.burger:hover { background: rgba(167,139,250,0.12); border-color: var(--nav-accent); box-shadow: 0 0 14px rgba(167,139,250,0.25); }
.burger span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--nav-text);
  border-radius: 1px;
  transition: transform 0.28s ease, opacity 0.2s ease, top 0.28s ease;
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 25px; }
.burger.open { background: rgba(167,139,250,0.18); border-color: var(--nav-accent); }
.burger.open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ── Mobile drop-down panel (≤720px only) ───────────────────────────── */
.nav-menu {
  position: fixed; top: 64px; right: clamp(12px, 3vw, 24px);
  width: min(320px, calc(100vw - 24px));
  display: none;
  flex-direction: column; gap: 2px;
  padding: 14px;
  background: var(--nav-bg-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--nav-border);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px rgba(167,139,250,0.1);
  transform-origin: top right;
  transform: translateY(-12px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s cubic-bezier(0.16,1,0.3,1), opacity 0.2s ease;
  z-index: 55;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.nav-menu.open { display: flex; transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.nav-menu a {
  display: block; padding: 11px 14px;
  border-radius: 8px;
  font-size: 14.5px; color: var(--nav-text-muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-menu a:hover, .nav-menu .current { background: rgba(167,139,250,0.08); color: var(--nav-text); }
.nav-menu .nav-group { border-top: 1px solid rgba(167,139,250,0.10); margin-top: 6px; padding-top: 4px; }
.nav-menu .nav-group:first-of-type { border-top: 0; margin-top: 4px; padding-top: 0; }
.nav-menu .nav-group > summary { cursor: pointer; list-style: none; user-select: none; }
.nav-menu .nav-group > summary::-webkit-details-marker { display: none; }
.nav-menu .nav-section {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(167,139,250,0.75);
  padding: 12px 14px 6px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-menu .nav-section::after { content: '+'; font-size: 14px; color: rgba(167,139,250,0.55); transition: transform 0.18s, color 0.18s; }
.nav-menu .nav-group[open] > summary .nav-section::after { transform: rotate(45deg); color: var(--nav-accent); }
.nav-menu a.nav-app { display: block; padding: 10px 14px; border-radius: 10px; background: rgba(167,139,250,0.04); border: 1px solid rgba(167,139,250,0.10); margin: 4px 0; line-height: 1.3; }
.nav-menu a.nav-app:hover { background: rgba(167,139,250,0.12); border-color: rgba(167,139,250,0.32); }
.nav-menu .nav-app-name { display: block; font-size: 14px; color: var(--nav-text); font-weight: 500; }
.nav-menu .nav-app-tag  { display: block; font-size: 12px; color: var(--nav-text-muted); margin-top: 2px; }
.nav-menu .nav-app .nav-app-emoji { margin-right: 6px; }
.nav-menu .nav-app[data-status="live"] .nav-app-name::after { content: '·'; margin-left: 8px; color: #6ee7b7; }

/* ── ⌘K palette ─────────────────────────────────────────────────────── */
.cmdk[hidden] { display: none; }
.cmdk {
  position: fixed; inset: 0;
  z-index: 200;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 12vh 16px 16px;
}
.cmdk-backdrop { position: fixed; inset: 0; background: rgba(2,4,10,0.65); backdrop-filter: blur(4px); }
.cmdk-panel {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  background: rgba(15, 18, 28, 0.98);
  border: 1px solid rgba(167, 139, 250, 0.32);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  overflow: hidden;
  display: flex; flex-direction: column;
  max-height: 70vh;
}
.cmdk-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(167,139,250,0.18);
}
.cmdk-input-icon { color: var(--nav-text-muted); flex: 0 0 auto; }
.cmdk-input {
  flex: 1; min-width: 0;
  background: transparent; border: 0; outline: none;
  color: var(--nav-text);
  font: inherit; font-size: 15px;
}
.cmdk-input::placeholder { color: var(--nav-text-muted); }
.cmdk-list {
  list-style: none; margin: 0; padding: 6px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.cmdk-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.10s;
}
.cmdk-item.active, .cmdk-item:hover { background: rgba(167,139,250,0.14); }
.cmdk-item-emoji { width: 20px; text-align: center; opacity: 0.85; flex: 0 0 auto; }
.cmdk-item-label { flex: 1; min-width: 0; color: var(--nav-text); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cmdk-item-cat   { font-size: 10.5px; color: var(--nav-text-muted); text-transform: uppercase; letter-spacing: 0.08em; flex: 0 0 auto; }
.cmdk-empty      { padding: 18px; color: var(--nav-text-muted); text-align: center; font-size: 13px; }
.cmdk-footer {
  display: flex; gap: 14px; flex-wrap: wrap;
  padding: 8px 14px;
  border-top: 1px solid rgba(167,139,250,0.14);
  font-size: 11px; color: var(--nav-text-muted);
}
.cmdk-footer kbd { background: rgba(167,139,250,0.10); border: 1px solid rgba(167,139,250,0.20); border-radius: 3px; padding: 1px 5px; font: 10px/1 ui-monospace, monospace; margin-right: 3px; }

/* ── Docs TOC sidebar (≥720px only; sync-nav.py injects the <aside>
   on /docs/) ───────────────────────────────────────────────────────── */
.docs-with-toc { display: grid; grid-template-columns: 220px 1fr; gap: 32px; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.docs-toc { position: sticky; top: 88px; max-height: calc(100vh - 100px); overflow-y: auto; padding: 16px 0; font-size: 13px; }
.docs-toc-title { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--nav-text-muted); padding: 0 12px 8px; }
.docs-toc ul { list-style: none; margin: 0; padding: 0; }
.docs-toc a { display: block; padding: 4px 12px; color: var(--nav-text-muted); text-decoration: none; border-left: 2px solid transparent; transition: border-color 0.12s, color 0.12s; line-height: 1.45; }
.docs-toc a:hover { color: var(--nav-text); border-color: rgba(167,139,250,0.4); }
.docs-toc a.current { color: var(--nav-accent); border-color: var(--nav-accent); }
.docs-toc ul ul { padding-left: 8px; }
.docs-toc ul ul a { font-size: 12.5px; }

/* ── Responsive — hide inline nav, show burger, drop TOC sidebar ───── */
@media (max-width: 720px) {
  .nav { padding: 0 16px; gap: 4px; }
  .nav-inline { display: none; }
  .cmdk-label, .cmdk-kbd { display: none; }
  .cmdk-trigger { padding: 8px; margin-left: auto; }
  .burger { display: inline-flex; }
  .docs-with-toc { grid-template-columns: 1fr; padding: 0 16px; gap: 0; }
  .docs-toc { display: none; }
  .cmdk { padding-top: 6vh; }
  .cmdk-footer { display: none; }
}
@media (min-width: 721px) {
  .nav-menu { display: none !important; }
}