/* ============================================================================
   8OM Admin Sidebar — Premium Compact
   ============================================================================ */

/* Sidebar overlay (mobile) */
#sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1099;
  transition: opacity 0.25s ease;
}
#sidebar-overlay.visible { display: block; }

/* Sidebar container */
#admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--8om-sidebar-width);
  background: var(--8om-sidebar-bg);
  border-right: 1px solid var(--8om-border);
  z-index: 1100;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width 0.22s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
}

/* Collapsed */
#admin-sidebar.collapsed {
  width: var(--8om-sidebar-collapsed);
}

.sidebar-collapsed #header {
  left: var(--8om-sidebar-collapsed) !important;
}
.sidebar-collapsed #container {
  padding-left: var(--8om-sidebar-collapsed) !important;
}

/* Sidebar header */
.sidebar-header {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  min-height: 47px;
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none !important;
  color: white !important;
  overflow: hidden;
}
.sidebar-logo img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.sidebar-logo span {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  letter-spacing: -0.4px;
}
#admin-sidebar.collapsed .sidebar-logo span { display: none; }

/* Toggle btn */
.sidebar-toggle {
  background: none;
  border: none;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 4px;
  border-radius: 5px;
  transition: all 0.18s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.sidebar-toggle:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}
#admin-sidebar.collapsed .sidebar-toggle svg {
  transform: rotate(180deg);
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
}

/* Group */
.sidebar-group { margin-bottom: 2px; }

.sidebar-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  color: rgba(255,255,255,0.45);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  border-radius: 5px;
  margin: 0 6px;
  transition: all 0.15s;
}

.sidebar-group-header:hover {
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.04);
}

.sidebar-group.expanded > .sidebar-group-header {
  color: rgba(255,255,255,0.85);
}

.sidebar-group-header .group-icon {
  width: 14px;
  height: 14px;
  font-size: 12px;
  flex-shrink: 0;
  opacity: 0.6;
}

.sidebar-group.expanded > .sidebar-group-header .group-icon {
  opacity: 1;
  color: var(--8om-accent);
}

.sidebar-group-header .group-arrow {
  margin-left: auto;
  transition: transform 0.2s;
  flex-shrink: 0;
  opacity: 0.4;
}
.sidebar-group.expanded .group-arrow {
  transform: rotate(90deg);
  opacity: 0.7;
}

#admin-sidebar.collapsed .sidebar-group-header span:not(.group-icon) { display: none; }
#admin-sidebar.collapsed .group-arrow { display: none; }

/* Group links list — smooth toggle */
.sidebar-group-links {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.30s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-group.expanded .sidebar-group-links {
  max-height: 2000px;
}

/* Individual link */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 36px;
  color: rgba(255,255,255,0.50) !important;
  font-size: 12px;
  font-weight: 400;
  text-decoration: none !important;
  border-radius: 0;
  transition: all 0.12s;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.sidebar-link:hover {
  color: rgba(255,255,255,0.88) !important;
  background: rgba(255,255,255,0.04);
  text-decoration: none !important;
}

.sidebar-link.active {
  color: var(--8om-accent) !important;
  background: rgba(3,204,218,0.08);
  font-weight: 500;
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 2px;
  background: var(--8om-accent);
  border-radius: 0 2px 2px 0;
}

.sidebar-link .link-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.5;
  font-size: 5px;
}
.sidebar-link.active .link-icon { opacity: 1; }

.sidebar-link .link-count {
  margin-left: auto;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.35);
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 8px;
  flex-shrink: 0;
}
.sidebar-link.active .link-count {
  background: rgba(3,204,218,0.12);
  color: var(--8om-accent);
}

/* Collapsed adjustments */
#admin-sidebar.collapsed .sidebar-link {
  padding-left: 16px;
  justify-content: center;
}
#admin-sidebar.collapsed .sidebar-link span:not(.link-icon) { display: none; }
#admin-sidebar.collapsed .link-count { display: none; }
#admin-sidebar.collapsed .sidebar-group-links { max-height: 0 !important; }

/* Collapsed hover flyout */
#admin-sidebar.collapsed .sidebar-group:hover .sidebar-group-links {
  max-height: 500px;
  position: absolute;
  left: var(--8om-sidebar-collapsed);
  background: var(--8om-sidebar-bg);
  border: 1px solid var(--8om-border);
  border-radius: 0 var(--8om-radius) var(--8om-radius) 0;
  padding: 6px 0;
  min-width: 180px;
  z-index: 1200;
  box-shadow: var(--8om-shadow-lg);
}
#admin-sidebar.collapsed .sidebar-group:hover .sidebar-link {
  padding-left: 14px;
  justify-content: flex-start;
}
#admin-sidebar.collapsed .sidebar-group:hover .sidebar-link span { display: inline; }

/* Sidebar footer */
.sidebar-footer {
  padding: 8px 10px;
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}
.sidebar-footer .sidebar-link { padding-left: 12px; }

/* ── Mobile ── */
@media (max-width: 1024px) {
  #admin-sidebar {
    transform: translateX(-100%);
    width: var(--8om-sidebar-width) !important;
    box-shadow: none;
    transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
  }
  #admin-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--8om-shadow-lg);
  }
  #admin-sidebar.collapsed .sidebar-group-links {
    max-height: none !important;
    position: static !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
}

/* ── Scrollbar inside sidebar ── */
#admin-sidebar::-webkit-scrollbar { width: 4px; }
#admin-sidebar::-webkit-scrollbar-track { background: transparent; }
#admin-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }
#admin-sidebar::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }