/* Spidergraph top nav — shared across every page.
   Per-page accent: set --accent / --accent-dim / --accent-border in the page's own
   <style> block before this stylesheet is used (defaults render the neutral/home look).
   Requires shared/tokens.css to be loaded first for --bg/--border/etc.

   2026-08-05: restructured from a flat 9-item list (Home/Playbook/6 tools/Report) into
   Home / Playbook / "Tools ▾" dropdown / Report — 9 top-level items had gone past
   comfortable flat-nav range (see CLAUDE.md → "Site navigation"). The dropdown uses a
   native <details>/<summary> element rather than a hand-rolled ARIA widget: free keyboard
   support (Tab + Enter/Space) and screen-reader semantics, no custom open/close state to
   get wrong. shared/nav.js only adds outside-click / Escape-to-close on top of that.
   Because the panel needs to render *outside* .topnav-inner's box, .topnav-inner no longer
   clips overflow (flex-wrap instead of overflow-x:auto — see the git history if you want
   the old horizontal-scroll-fade version); 4 top-level items comfortably wrap to a second
   line on narrow viewports instead of needing to scroll.

   2026-08-08: redesigned the dropdown panel itself to reuse the site's own recurring
   motifs instead of reading as a plain link list — see the comment block above
   .nav-tools-panel below. */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  margin: -32px -20px 28px;
  padding: 14px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.topnav-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  row-gap: 6px;
}
.topnav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 7px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.topnav a:hover {
  color: var(--text);
  background: var(--surface2);
  border-color: var(--border);
}
.topnav a.current {
  color: var(--accent, var(--text));
  background: var(--accent-dim, var(--surface2));
  border-color: var(--accent-border, var(--border));
}
.topnav .sep {
  color: var(--border);
  margin: 0 2px;
}

/* 2026-08-09: dropped the separate "Home" text link (it duplicated this same href one
   element away) — .brand is now the sole way back home, so it picks up the same
   hover/current treatment every other top-level link gets, instead of being inert. The
   border-right separator is set as its own declaration after the `border` shorthand so
   it keeps winning on the right edge in the resting state; :hover/.current's border-color
   then legitimately overrides all four sides (higher specificity), turning the separator
   into a full outline as part of that state — not a bug, that's the point. */
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 14px;
  padding: 8px 14px 8px 8px;
  border-radius: 7px 0 0 7px;
  border: 1px solid transparent;
  border-right: 1px solid var(--border);
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}
.brand:hover {
  background: var(--surface2);
  border-color: var(--border);
}
.brand.current {
  background: var(--accent-dim, var(--surface2));
  border-color: var(--accent-border, var(--border));
}
.brand svg {
  display: block;
}
.brand-word {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.2px;
  transition: color 0.15s ease;
}
.brand-word span {
  color: var(--teal);
}
.brand.current .brand-word {
  color: var(--accent, var(--text));
}

/* Tools dropdown — the <summary> itself matches every other top-level nav link */
.nav-tools {
  position: relative;
  flex-shrink: 0;
}
.nav-tools > summary {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  list-style: none;
  user-select: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}
.nav-tools > summary::-webkit-details-marker {
  display: none;
}
.nav-tools > summary::after {
  content: '▾';
  font-size: 9px;
  transition: transform 0.15s ease;
}
.nav-tools[open] > summary::after {
  transform: rotate(180deg);
}
.nav-tools > summary:hover {
  color: var(--text);
  background: var(--surface2);
  border-color: var(--border);
}
.nav-tools > summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}
.nav-tools > summary.current {
  color: var(--accent, var(--text));
  background: var(--accent-dim, var(--surface2));
  border-color: var(--accent-border, var(--border));
}

/* Panel content, redesigned 2026-08-08 to read as a compact version of the homepage's
   own tool grid/"Your Spidergraph" cards rather than a generic link list:
   - group labels reuse the accent-dot + uppercase-mono-label motif from .eyebrow
     (every page's own header uses this exact pattern — see shared/doc-page.css)
   - each item gets its own accent dot (that tool's own page color) plus a "TOOL-0X"
     code badge, mirroring the homepage grid cards' <span class="card-code"> and the
     "Your Spidergraph" widget's per-tool accent-coloring
   - the one-line blurb under each label is the same "label, then a quieter second
     line" hierarchy used by .mystatus-item (label / value / ago) and .metric (k / v) */
.nav-tools-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 50;
  width: min(320px, calc(100vw - 40px));
  max-height: min(560px, calc(100vh - 100px));
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
}
.nav-tools-group {
  display: flex;
  flex-direction: column;
  padding: 6px 4px;
}
.nav-tools-group + .nav-tools-group {
  border-top: 1px solid var(--border-soft);
  margin-top: 2px;
  padding-top: 12px;
}
.nav-tools-group-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted2);
  margin: 2px 6px 8px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.nav-tools-group-label::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--muted2);
  border-radius: 1px;
  display: inline-block;
  flex-shrink: 0;
}

.nav-tools-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-decoration: none;
  padding: 9px 8px;
  border-radius: 9px;
  transition: background 0.12s ease;
}
.nav-tools-item:hover {
  background: var(--surface2);
}
.nav-tools-item.current {
  background: var(--accent-dim, var(--surface2));
}
.nav-tools-item:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}
.nav-tools-dot {
  width: 7px;
  height: 7px;
  border-radius: 1px;
  flex-shrink: 0;
  margin-top: 6px;
}
.nav-tools-dot.teal {
  background: var(--teal);
}
.nav-tools-dot.amber {
  background: var(--amber);
}
.nav-tools-dot.red {
  background: var(--red);
}
.nav-tools-dot.blue {
  background: var(--blue);
}
.nav-tools-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.nav-tools-item-top {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.nav-tools-item-label {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--text);
}
.nav-tools-item.current .nav-tools-item-label {
  color: var(--accent, var(--text));
}
.nav-tools-item-code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0.85;
}
.nav-tools-item-code.teal {
  color: var(--teal);
}
.nav-tools-item-code.amber {
  color: var(--amber);
}
.nav-tools-item-code.red {
  color: var(--red);
}
.nav-tools-item-code.blue {
  color: var(--blue);
}
.nav-tools-item-blurb {
  font-size: 11.5px;
  color: var(--muted2);
  line-height: 1.4;
}

/* Below ~600px, "Tools" itself can wrap to a second/third line at almost any horizontal
   position depending on how much of Home/Playbook/Report wrapped above it — anchoring the
   panel to .nav-tools's own position (like the default rule above does) can push a
   320px-wide panel straight off the edge of a narrow viewport. Anchor to .topnav instead
   (position:sticky already gives it a positioning context) so the panel always sits
   edge-to-edge under the whole nav bar regardless of where the trigger landed. */
@media (max-width: 600px) {
  .nav-tools {
    position: static;
  }
  .nav-tools-panel {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 100%;
    width: auto;
    max-width: none;
  }
}