/* Shared sticky nav — include on all vaultrun.dev pages */
:root {
  --nav-bg: #0a0a0a;
  --nav-line: #262626;
  --nav-fg: #e8e8e8;
  --nav-dim: #8a8a8a;
  --nav-faint: #555555;
  --nav-height: 52px;
}

.site-nav {
  border-bottom: 1px solid var(--nav-line);
  position: sticky;
  top: 0;
  background: var(--nav-bg);
  z-index: 100;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

.site-nav .bar {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--nav-height);
  position: relative;
  z-index: 2;
  background: var(--nav-bg);
}

.site-nav .logo {
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--nav-fg);
  flex-shrink: 0;
}

.site-nav .logo span {
  color: var(--nav-dim);
}

.site-nav .nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--nav-line);
  color: var(--nav-fg);
  font-family: inherit;
  font-size: 13px;
  padding: 6px 12px;
  cursor: pointer;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.site-nav .nav-toggle:hover {
  border-color: var(--nav-fg);
}

.site-nav .nav-backdrop {
  display: none;
}

.site-nav .links {
  display: none;
}

.site-nav .links a {
  color: var(--nav-dim);
  text-decoration: none;
}

.site-nav .links a:hover {
  color: var(--nav-fg);
}

body.nav-open {
  overflow: hidden;
  touch-action: none;
}

/* Desktop: logo + links on one row via overlapping grid */
@media (min-width: 961px) {
  .site-nav {
    display: grid;
    grid-template-columns: minmax(0, 980px);
    justify-content: center;
    padding: 0 16px;
  }

  .site-nav .bar,
  .site-nav .links {
    grid-row: 1;
    grid-column: 1;
    width: 100%;
    max-width: 980px;
    height: var(--nav-height);
    margin: 0;
    padding: 0;
  }

  .site-nav .bar {
    display: flex;
    align-items: center;
    z-index: 2;
    pointer-events: none;
    background: transparent;
  }

  .site-nav .bar .logo {
    pointer-events: auto;
  }

  .site-nav .nav-toggle {
    display: none !important;
  }

  .site-nav .links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    font-size: 13px;
    z-index: 1;
  }

  .site-nav .links a {
    white-space: nowrap;
  }
}

/* Mobile: full-width drawer under sticky bar */
@media (max-width: 960px) {
  .site-nav .nav-toggle {
    display: block;
  }

  .site-nav.nav-open {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    height: 100dvh;
    border-bottom: none;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    background: var(--nav-bg);
  }

  .site-nav.nav-open .bar {
    flex-shrink: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    border-bottom: 1px solid var(--nav-line);
  }

  .site-nav .links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: 100%;
    margin: 0;
    padding: 8px 20px calc(24px + env(safe-area-inset-bottom, 0px));
    background: var(--nav-bg);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .site-nav.nav-open .links {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    align-self: stretch;
  }

  .site-nav .links a {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--nav-line);
    font-size: 15px;
    white-space: normal;
  }

  .site-nav .links a:last-child {
    border-bottom: none;
  }

  .site-nav .nav-backdrop {
    display: none;
  }

  .site-nav.nav-open .nav-backdrop {
    display: none; /* full-screen menu covers page; no need for separate dimmer */
  }
}

@media print {
  .site-nav .nav-toggle,
  .site-nav .links,
  .site-nav .nav-backdrop {
    display: none !important;
  }
}