/* =========================================================
   SITE CHROME — shared sidebar + scroll snake for every page
   Loaded LAST on each page so it wins over older page rules.
   (`html body` prefix raises specificity above page overrides.)
   ========================================================= */

:root{
  --chrome-rail: 58px;
  --chrome-open: 200px;
  --chrome-bg: #e8ebea;
  --chrome-ink: #42524d;
  --chrome-snake-w: 39px;   /* ~10% narrower again (was 43px) */
  --chrome-snake-inset: 12px;
}

/* ---------- Uniform scrolling ---------- */
html{
  scroll-behavior: smooth;
  scrollbar-width: none;          /* the snake is the scroller */
}
html::-webkit-scrollbar,
body::-webkit-scrollbar{
  width: 0;
  height: 0;
  display: none;
}

/* ---------- Sidebar (desktop: rail that opens on hover) ---------- */
html body .side-nav{
  position: fixed !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: var(--chrome-rail) !important;
  height: auto !important;
  background: var(--chrome-bg) !important;
  border-right: 1px solid rgba(66,82,77,.12) !important;
  box-shadow: none !important;
  z-index: 6000 !important;
  overflow: hidden !important;
  transform: none !important;
  transition: width .24s ease !important;
}
html body .side-nav.hover-open{
  width: var(--chrome-open) !important;
}

/* thin white stripe on the sidebar's right edge */
/* thin white stripe on the sidebar's right edge */
html body .side-nav::after{
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: auto !important;
  width: 2px !important;
  background: #ffffff !important;
  pointer-events: none !important;
  z-index: 0 !important;
}
html body .side-nav > *{
  position: relative;
  z-index: 1;
}

html body .side-nav-inner{
  height: 100% !important;
  width: var(--chrome-open) !important;
  padding: 24px 8px 28px !important;
  margin: 0 !important;
  overflow: hidden !important;
  display: block !important;
  opacity: 1 !important;
  transform: none !important;
}

html body .side-brand{
  display: block !important;
  width: 42px !important;
  height: 42px !important;
  margin: 0 0 64px 0 !important;
  padding: 0 !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  transform-origin: center !important;
  transition: transform .18s ease !important;
}
@media (hover:hover) and (pointer:fine){
  html body .side-brand:hover{ transform: scale(1.1) !important; }
}
html body .side-logo{
  display: block !important;
  width: 42px !important;
  height: 42px !important;
  fill: none !important;
  stroke: var(--chrome-ink) !important;
  stroke-width: 2.6 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

html body .side-links{
  display: flex !important;
  flex-direction: column !important;
  gap: 0 !important;
  width: 170px !important;
  margin: 0 !important;
  padding: 0 0 0 14px !important;
  opacity: 0 !important;
  visibility: visible !important;
  pointer-events: none !important;
  transform: translateX(-8px) !important;
  transition: opacity .16s ease .04s, transform .2s ease !important;
}
html body .side-nav.hover-open .side-links{
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: none !important;
}

html body .side-nav-item{
  width: 100% !important;
  margin: 0 0 30px 0 !important;
  padding: 0 !important;
}
html body .side-nav-item:last-child{ margin-bottom: 0 !important; }

html body .side-main-link,
html body .side-dropdown-toggle{
  display: block !important;
  width: 100% !important;
  min-height: 24px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: var(--chrome-ink) !important;
  font-family: 'Work Sans', Arial, sans-serif !important;
  font-size: 16px !important;
  font-weight: 400 !important;
  letter-spacing: .01em !important;
  line-height: 24px !important;
  text-align: left !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  opacity: 1 !important;
  cursor: pointer;
  transition: color .16s ease, transform .18s ease !important;
}
html body .side-dropdown-toggle{
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding-right: 15px !important;
}
html body .side-main-link:hover,
html body .side-dropdown-toggle:hover{
  color: #ffffff !important;
  transform: translateX(4px) !important;
}
html body .side-dropdown-arrow{
  display: inline-block !important;
  font-size: 18px !important;
  line-height: 1 !important;
  transition: transform .22s ease !important;
}
html body .side-dropdown.is-open .side-dropdown-arrow{ transform: rotate(180deg) !important; }

html body .side-submenu-wrap{
  display: grid !important;
  grid-template-rows: 0fr !important;
  opacity: 0 !important;
  margin-top: 0 !important;
  transition: grid-template-rows .26s ease, opacity .18s ease, margin-top .26s ease !important;
}
html body .side-dropdown.is-open .side-submenu-wrap{
  grid-template-rows: 1fr !important;
  opacity: 1 !important;
  margin-top: 13px !important;
}
html body .side-submenu{
  min-height: 0 !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 11px !important;
  padding: 0 0 0 12px !important;
  margin: 0 !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}
html body .side-submenu a{
  display: block !important;
  color: var(--chrome-ink) !important;
  font-family: 'Work Sans', Arial, sans-serif !important;
  font-size: 14px !important;
  line-height: 1.3 !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  opacity: .82 !important;
  transition: color .16s ease, transform .18s ease, opacity .16s ease !important;
}
html body .side-submenu a:hover{
  color: #ffffff !important;
  opacity: 1 !important;
  transform: translateX(4px) !important;
}
html body .side-nav-toggle{ display: none !important; }

/* Mobile-only pieces are hidden on desktop */
.chrome-menu-btn,
.chrome-scrim{ display: none; }

/* ---------- Scroll snake ---------- */
html body .scroll-snake{
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  position: fixed !important;
  top: 8px !important;
  bottom: 8px !important;
  right: var(--chrome-snake-inset) !important;
  left: auto !important;
  width: var(--chrome-snake-w) !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  transform: none !important;
  z-index: 5500 !important;
  pointer-events: none !important;
  overflow: visible !important;
}
html body .scroll-snake svg{
  display: block !important;
  position: static !important;
  width: 100% !important;
  height: 100% !important;
  overflow: visible !important;
  transform: none !important;
}
html body #snake-ghost,
html body #snake-path{
  fill: none !important;
  stroke-width: 4.5 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  vector-effect: non-scaling-stroke !important;
}
html body #snake-ghost{
  stroke: #d5dfdc !important;
  opacity: 1 !important;
}
html body #snake-path{
  stroke: var(--chrome-ink) !important;
  transition: none !important;
}
/* small open circle that marks where you are on the snake */
html body #snake-head{
  fill: #fafafa !important;
  stroke: var(--chrome-ink) !important;
  stroke-width: 2 !important;
  vector-effect: non-scaling-stroke;
}

/* =========================================================
   PHONES & SMALL TABLETS
   Sidebar becomes a slide-in menu behind a button; snake hidden.
   ========================================================= */
@media (max-width: 800px){
  html body .scroll-snake{ display: none !important; }

  /* content no longer needs to clear the rail or the snake */
  html body,
  html body.sidebar-open,
  html body.sidebar-collapsed{
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  html body .side-nav,
  html body .side-nav.hover-open{
    width: 240px !important;
    transform: translateX(-102%) !important;
    transition: transform .28s ease !important;
    box-shadow: none !important;
    z-index: 7000 !important;
  }
  html body .side-nav.mobile-open{
    transform: translateX(0) !important;
    box-shadow: 0 0 40px rgba(20,37,61,.22) !important;
  }
  html body .side-nav-inner{
    width: 240px !important;
    padding: 76px 18px 28px !important;
    overflow-y: auto !important;
  }
  html body .side-brand{ margin-bottom: 40px !important; }
  html body .side-links,
  html body .side-nav.hover-open .side-links{
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: none !important;
    width: 100% !important;
    padding-left: 4px !important;
  }
  html body .side-nav-item{ margin-bottom: 26px !important; }
  html body .side-main-link,
  html body .side-dropdown-toggle{
    font-size: 18px !important;
    min-height: 32px !important;
    line-height: 32px !important;
  }
  html body .side-submenu a{
    font-size: 16px !important;
    padding: 4px 0 !important;
  }

  .chrome-menu-btn{
    display: flex;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 7100;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid rgba(66,82,77,.14);
    border-radius: 50%;
    background: var(--chrome-bg);
    box-shadow: 0 4px 14px rgba(20,37,61,.12);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .chrome-menu-btn span{
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--chrome-ink);
    transition: transform .25s ease, opacity .2s ease;
  }
  .chrome-menu-btn[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .chrome-menu-btn[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
  .chrome-menu-btn[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .chrome-scrim{
    display: block;
    position: fixed;
    inset: 0;
    z-index: 6900;
    background: rgba(20,37,61,.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }
  .chrome-scrim.is-visible{
    opacity: 1;
    pointer-events: auto;
  }

  body.chrome-menu-locked{ overflow: hidden !important; }
}

/* ---------- Rail icons, labels, "you are here" marker, logo redraw ---------- */
html body .side-main-link,
html body .side-dropdown-toggle{
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
}
html body .side-dropdown-toggle .side-dropdown-arrow{ margin-left: auto; }
.side-icon{
  flex: 0 0 auto;
  display: inline-flex;
  width: 20px;
  height: 20px;
}
.side-icon svg{
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.side-label{
  transition: opacity .16s ease .04s;
  white-space: nowrap;
}
html body .side-links{ position: relative !important; }
.side-marker{
  position: absolute;
  left: -2px;
  top: -3.5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.6px solid var(--chrome-ink);
  background: var(--chrome-bg);
  opacity: 0;
  transition: transform .35s cubic-bezier(.3,.7,.2,1), opacity .2s ease;
  pointer-events: none;
}
html body .side-submenu a.is-current{ opacity: 1 !important; font-weight: 600 !important; }

@media (min-width: 801px){
  /* closed rail: icons stay, words hide */
  html body .side-links{
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: none !important;
    padding-left: 11px !important;   /* centres the 20px icons on the 58px rail */
  }
  html body .side-nav:not(.hover-open) .side-label,
  html body .side-nav:not(.hover-open) .side-dropdown-arrow{
    opacity: 0;
    transition: opacity .1s ease;
  }
  html body .side-nav:not(.hover-open) .side-submenu-wrap{
    grid-template-rows: 0fr !important;
    opacity: 0 !important;
    margin-top: 0 !important;
  }
  html body .side-nav:not(.hover-open) .side-main-link:hover,
  html body .side-nav:not(.hover-open) .side-dropdown-toggle:hover{
    transform: none !important;
  }
}

@media (max-width: 800px){
  .side-marker{ left: -12px; }
}

/* logo redraws itself on hover, like the loading screen */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference){
  html body .side-brand:hover .side-logo circle,
  html body .side-brand:hover .side-logo path{
    stroke-dasharray: 1;
    animation: side-logo-draw .8s cubic-bezier(.6,.05,.3,1) both;
  }
  html body .side-brand:hover .side-logo path:nth-of-type(1){ animation-delay: .15s; }
  html body .side-brand:hover .side-logo path:nth-of-type(2){ animation-delay: .3s; }
}
@keyframes side-logo-draw{
  from{ stroke-dashoffset: 1; }
  to{ stroke-dashoffset: 0; }
}

/* =========================================================
   TOUCH SCREENS — phones keep the last-tapped item "hovered",
   which turned it white (invisible) and shifted it. Keep the
   normal ink colour on touch and give feedback on press only.
   ========================================================= */
@media (hover:none), (max-width:800px){
  html body .side-main-link:hover,
  html body .side-dropdown-toggle:hover,
  html body .side-submenu a:hover{
    color: var(--chrome-ink) !important;
    transform: none !important;
  }
  html body .side-submenu a:hover{ opacity: .82 !important; }
  html body .side-submenu a.is-current:hover{ opacity: 1 !important; }
  html body .side-main-link:active,
  html body .side-dropdown-toggle:active,
  html body .side-submenu a:active{
    background: rgba(66,82,77,.08) !important;
    border-radius: 8px;
  }
  html body .side-brand:hover{ transform: none !important; }
}
@media (max-width:800px){
  html body .side-nav,
  html body .side-nav.hover-open{
    height: 100dvh !important;          /* full height under mobile browser bars */
    bottom: auto !important;
  }
  html body .side-nav-inner{
    height: 100% !important;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding-bottom: max(28px, env(safe-area-inset-bottom, 0px)) !important;
  }
  /* bigger, evenly spaced tap rows */
  html body .side-nav-item{ margin-bottom: 14px !important; }
  html body .side-main-link,
  html body .side-dropdown-toggle{
    min-height: 44px !important;
    line-height: 44px !important;
    padding: 0 8px !important;
    margin-left: -8px !important;
    width: calc(100% + 8px) !important;
  }
  html body .side-dropdown.is-open .side-submenu-wrap{ margin-top: 4px !important; }
  html body .side-submenu{ gap: 2px !important; padding-left: 34px !important; }
  html body .side-submenu a{
    display: flex !important;
    align-items: center;
    min-height: 40px;
    padding: 0 8px !important;
    margin-left: -8px;
  }
  .side-marker{ left: -14px; }
  .chrome-scrim{ touch-action: none; }
}

/* =========================================================
   More breathing room between sidebar items (all sizes)
   ========================================================= */
html body .side-nav-item{ margin-bottom: 38px !important; }
html body .side-dropdown.is-open .side-submenu-wrap{ margin-top: 18px !important; }
html body .side-submenu{ gap: 16px !important; }

@media (max-width:800px){
  html body .side-nav,
  html body .side-nav.hover-open{ width: 272px !important; }
  html body .side-nav-inner{ width: 272px !important; padding: 76px 22px 28px !important; }
  html body .side-nav-item{ margin-bottom: 18px !important; }
  html body .side-dropdown.is-open .side-submenu-wrap{ margin-top: 8px !important; }
  html body .side-submenu{ gap: 8px !important; padding-left: 34px !important; }
  html body .side-dropdown-toggle{ padding-right: 12px !important; }
  html body .side-dropdown-arrow{ color: var(--chrome-ink) !important; opacity: 1 !important; }
}