/* V21 — navigation accessibility, scrolling and permission-aware layout */
.sidebar{
  height:100vh;
  height:100dvh;
  max-height:100dvh;
  overflow:hidden;
  isolation:isolate;
}
.sidebar-brand{
  flex:0 0 auto;
  min-width:0;
  position:relative;
}
.sidebar-nav{
  display:block;
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  touch-action:pan-y;
  scrollbar-gutter:stable;
  padding:16px 4px 16px 0;
  margin-inline-end:-4px;
}
[dir=rtl] .sidebar-nav{
  padding-inline:0 0;
  padding-inline-end:4px;
  margin-inline:0 -4px;
}
.sidebar-nav::-webkit-scrollbar{width:7px}
.sidebar-nav::-webkit-scrollbar-track{background:transparent}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.19);border-radius:999px}
.sidebar-nav::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.3)}
.sidebar-nav{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.24) transparent}
.sidebar-nav-section{
  display:grid;
  gap:5px;
  padding-bottom:14px;
  margin-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,.075);
}
.sidebar-nav-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:2px}
.sidebar-nav-section .nav-section-label{
  position:static;
  padding:0 13px 7px;
  color:#8196aa;
}
.sidebar-nav a{
  min-width:0;
  flex:0 0 auto;
}
.sidebar-nav a>span{
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.sidebar-nav a:focus-visible,
.sidebar-close:focus-visible,
.mobile-menu:focus-visible{
  outline:2px solid #72f0a4;
  outline-offset:2px;
}
.sidebar-footer{
  flex:0 0 auto;
  margin-top:0;
  padding-top:13px;
  padding-bottom:max(0px,env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(7,28,37,0),#071c25 18%);
}
.sidebar-close{
  display:none;
  position:absolute;
  top:4px;
  inset-inline-end:4px;
  width:36px;
  height:36px;
  place-items:center;
  border:1px solid rgba(255,255,255,.14);
  border-radius:11px;
  background:rgba(7,28,37,.76);
  color:#fff;
  z-index:3;
}
.sidebar-close svg{width:18px;height:18px}
.sidebar-overlay{touch-action:none}

@media(max-width:900px){
  .sidebar{
    width:min(286px,88vw);
    padding:14px 12px calc(12px + env(safe-area-inset-bottom));
    will-change:transform;
  }
  .sidebar-close{display:grid}
  .sidebar-brand-v7{padding-inline:38px 38px}
  .sidebar-full-logo{min-height:58px!important}
  .sidebar-brand-caption{display:block!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sidebar-nav{padding-top:10px;padding-bottom:14px}
  .sidebar-nav-section .nav-section-label{display:block!important;font-size:8px;padding-bottom:5px}
  .sidebar-nav a{min-height:43px}
  .sidebar-footer{padding-top:10px}
  body.sidebar-scroll-lock{
    position:fixed;
    inset-inline:0;
    width:100%;
    overflow:hidden;
  }
  .sidebar-open .sidebar{box-shadow:22px 0 54px rgba(4,15,22,.34)}
  [dir=rtl] .sidebar-open .sidebar{box-shadow:-22px 0 54px rgba(4,15,22,.34)}
}

@media(min-width:901px){
  .sidebar[aria-hidden="true"]{visibility:visible}
}

@media(prefers-reduced-motion:reduce){
  .sidebar,.sidebar-overlay{transition:none!important}
}

.sidebar-security-link{display:flex;align-items:center;gap:9px;margin:0 0 9px;padding:9px 11px;border-radius:10px;color:#b9c8d3;text-decoration:none;font-size:12px;font-weight:700;background:rgba(255,255,255,.045)}
.sidebar-security-link svg{width:17px;height:17px;fill:currentColor}.sidebar-security-link:hover,.sidebar-security-link.active{color:#fff;background:rgba(57,189,110,.16)}

/* V31.8 — professional collapsible administration navigation */
.nav-accordion-section{
  display:block;
  padding:0;
  margin:0 0 8px;
  border:0;
}
.nav-section-toggle{
  width:100%;
  min-height:58px;
  display:grid;
  grid-template-columns:38px minmax(0,1fr) auto 18px;
  align-items:center;
  gap:10px;
  padding:9px 11px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  background:rgba(255,255,255,.035);
  color:#dbe5f2;
  text-align:start;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-section-toggle:hover{
  background:rgba(255,255,255,.075);
  border-color:rgba(255,255,255,.14);
  transform:translateY(-1px);
}
.nav-section-toggle:focus-visible{
  outline:2px solid #72f0a4;
  outline-offset:2px;
}
.nav-section-heading-icon{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.045));
  color:#fff;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}
.nav-section-heading-icon svg{width:19px;height:19px;fill:currentColor}
.nav-section-heading-copy{display:grid;gap:2px;min-width:0}
.nav-section-heading-copy strong{
  font-size:11px;
  line-height:1.25;
  font-weight:800;
  color:#f4f8fc;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.nav-section-heading-copy small{
  font-size:8px;
  line-height:1.35;
  font-weight:600;
  color:#8fa3b6;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.nav-section-caret{
  width:18px;
  height:18px;
  display:grid;
  place-items:center;
  color:#8094a7;
  transition:transform .2s ease,color .2s ease;
}
.nav-section-caret svg{width:15px;height:15px;fill:currentColor}
[dir=rtl] .nav-section-caret{transform:rotate(180deg)}
.nav-accordion-section.is-open .nav-section-caret{color:#8ce5ac;transform:rotate(90deg)}
[dir=rtl] .nav-accordion-section.is-open .nav-section-caret{transform:rotate(90deg)}
.nav-accordion-section.is-open .nav-section-toggle{
  background:linear-gradient(135deg,rgba(72,95,196,.26),rgba(32,177,95,.10));
  border-color:rgba(119,158,255,.24);
  box-shadow:0 10px 24px rgba(1,12,22,.15),inset 0 0 0 1px rgba(255,255,255,.025);
}
.nav-accordion-section.is-open .nav-section-heading-icon{
  background:linear-gradient(145deg,#3f4ead,#1f8d59);
  box-shadow:0 7px 16px rgba(13,34,86,.28);
}
.nav-section-badge{
  min-width:22px;
  height:22px;
  padding:0 6px;
  display:inline-grid;
  place-items:center;
  border-radius:999px;
  background:#21c466;
  color:#042f19;
  font-size:8px;
  font-weight:900;
  font-style:normal;
  box-shadow:0 5px 12px rgba(33,196,102,.25);
}
.nav-section-content{
  display:grid;
  gap:4px;
  padding:7px 5px 2px;
}
.nav-section-content[hidden]{display:none!important}
.nav-section-content a{
  min-height:39px;
  margin:0;
  padding:8px 10px;
  border-radius:10px;
  color:#bac8d6;
  background:transparent;
  border:1px solid transparent;
}
.nav-section-content a svg{width:16px;height:16px;opacity:.88}
.nav-section-content a:hover{
  color:#fff;
  background:rgba(255,255,255,.065);
  border-color:rgba(255,255,255,.05);
}
.nav-section-content a.active,
.nav-section-content a[aria-current="page"]{
  color:#fff;
  background:linear-gradient(90deg,rgba(79,99,211,.29),rgba(34,190,102,.13));
  border-color:rgba(128,158,255,.17);
  box-shadow:inset 3px 0 0 #55d487;
}
[dir=rtl] .nav-section-content a.active,
[dir=rtl] .nav-section-content a[aria-current="page"]{
  box-shadow:inset -3px 0 0 #55d487;
}
.nav-section-content .nav-create{
  margin-top:3px;
  color:#eafff0;
  background:linear-gradient(135deg,rgba(25,196,91,.23),rgba(25,196,91,.10));
  border-color:rgba(86,231,133,.18);
}

@media(max-width:900px){
  .nav-section-toggle{min-height:56px;padding:8px 10px}
  .nav-section-heading-copy strong{font-size:11px}
  .nav-section-heading-copy small{font-size:8px}
  .nav-section-content a{min-height:42px}
}

@media(prefers-reduced-motion:reduce){
  .nav-section-toggle,.nav-section-caret{transition:none!important}
}