/* Shared top site navigation — Growth Board family (teal operating pages)
   Also works above .rts-report with CSS-variable fallbacks. */

.site-nav {
  --sn-bg: var(--paper-raised, #ffffff);
  --sn-ink: var(--ink, #12181f);
  --sn-soft: var(--ink-soft, #4b5563);
  --sn-faint: var(--ink-faint, #8b93a1);
  --sn-line: var(--line, #e2e5ea);
  --sn-accent: var(--accent, #0e7a82);
  --sn-accent-soft: var(--accent-soft, #e4f2f1);
  --sn-accent-ink: var(--accent-ink, #075258);
  --sn-chip: var(--chip-bg, #edeff3);
  --sn-ground: var(--paper, #f5f6f8);

  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--sn-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sn-line);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .site-nav,
  html:not([data-theme="light"]) .site-nav {
    --sn-bg: #141a1f;
    --sn-ink: #e8ecef;
    --sn-soft: #a7afb9;
    --sn-faint: #6c7480;
    --sn-line: #232b31;
    --sn-accent: #3fbfc2;
    --sn-accent-soft: #132726;
    --sn-accent-ink: #8fe0e2;
    --sn-chip: #1b2126;
    --sn-ground: #0b1013;
  }
}

:root[data-theme="dark"] .site-nav,
html[data-theme="dark"] .site-nav {
  --sn-bg: #141a1f;
  --sn-ink: #e8ecef;
  --sn-soft: #a7afb9;
  --sn-faint: #6c7480;
  --sn-line: #232b31;
  --sn-accent: #3fbfc2;
  --sn-accent-soft: #132726;
  --sn-accent-ink: #8fe0e2;
  --sn-chip: #1b2126;
  --sn-ground: #0b1013;
}

.site-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--sn-ink);
  flex: none;
  margin-right: 4px;
}

.site-nav-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(155deg, var(--sn-accent), var(--sn-accent-ink));
  color: #fff;
  font-family: Manrope, "IBM Plex Sans Condensed", system-ui, sans-serif;
  font-weight: 800;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-nav-name {
  font-family: Manrope, "IBM Plex Sans Condensed", system-ui, sans-serif;
  font-weight: 800;
  font-size: 13.5px;
  letter-spacing: -0.01em;
}

.site-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.site-nav-links a {
  text-decoration: none;
  color: var(--sn-soft);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}

.site-nav-links a:hover {
  background: var(--sn-chip);
  color: var(--sn-ink);
}

.site-nav-links a[aria-current="page"] {
  background: var(--sn-accent-soft);
  color: var(--sn-accent-ink);
}

.site-nav-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

.site-nav-chip {
  font-size: 11px;
  font-weight: 600;
  color: var(--sn-faint);
  background: var(--sn-chip);
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.site-nav-source {
  font-family: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--sn-accent-ink);
  text-decoration: none;
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid var(--sn-line);
  background: var(--sn-bg);
}

.site-nav-source:hover {
  border-color: var(--sn-accent);
  background: var(--sn-accent-soft);
}

.site-nav-updated {
  font-family: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--sn-faint);
}

@media (max-width: 720px) {
  .site-nav-inner {
    padding: 10px 14px;
    gap: 10px;
  }
  .site-nav-name {
    display: none;
  }
  .site-nav-meta {
    width: 100%;
    margin-left: 0;
  }
  .site-nav-links {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav-links a {
    transition: none;
  }
}

/* —— Sticky module sidebars (ops / platform / tasks) ——
   Keeps the left nav visible while main content scrolls to #anchors. */
:root {
  --site-nav-h: 56px;
}

.shell > .sidebar,
.shell > aside.sidebar {
  position: sticky;
  top: var(--site-nav-h);
  align-self: start;
  height: calc(100vh - var(--site-nav-h));
  max-height: calc(100vh - var(--site-nav-h));
  overflow-x: hidden;
  overflow-y: auto;
  z-index: 30;
}

.shell > .main {
  min-width: 0;
}

.shell > .main section,
.shell > .main [id] {
  scroll-margin-top: calc(var(--site-nav-h) + 16px);
}

@media (max-width: 960px) {
  .shell > .sidebar,
  .shell > aside.sidebar {
    position: relative;
    top: auto;
    height: auto;
    max-height: none;
    overflow: visible;
  }
}