:root {
  --sidebar-brand: rgb(11, 132, 130);
  --sidebar-brand-soft: rgba(11, 132, 130, 0.1);
  --sidebar-brand-softer: rgba(11, 132, 130, 0.06);
  --sidebar-text: #334155;
  --sidebar-muted: #64748b;
  --sidebar-border: rgba(11, 132, 130, 0.12);
}

/* Vertical Sidebar - Production Theme */
.vertical-menu {
  border-right: 1px solid var(--sidebar-border);
  box-shadow: 4px 0 16px rgba(15, 23, 42, 0.04);
  background: #ffffff;
}

#sidebar-menu {
  padding: 10px 0 14px;
}

#sidebar-menu .menu-title {
  color: var(--sidebar-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  padding: 14px 22px 8px;
}

#side-menu > li > a {
  margin: 1px 10px;
  padding: 5px 12px;
  border-radius: 0;
  color: var(--sidebar-text);
  border-left: 0;
  transition: all 0.2s ease;
}

#side-menu > li > a i {
  color: var(--sidebar-muted);
  width: 18px;
  height: 18px;
  min-width: 18px;
  transition: color 0.2s ease;
}

#side-menu > li > a span {
  font-weight: 500;
  font-size: 18px;
}

#side-menu > li > a:hover {
  background: transparent;
  color: var(--sidebar-brand);
}

#side-menu > li > a:hover i {
  color: var(--sidebar-brand);
}

#side-menu > li.mm-active > a,
#side-menu > li.mm-active > a[aria-expanded="true"] {
  background: transparent;
  color: var(--sidebar-brand);
}

#side-menu > li.mm-active > a i {
  color: var(--sidebar-brand);
}

/* Submenu */
#side-menu .sub-menu {
  padding: 1px 0 2px;
}

#side-menu .sub-menu li a {
  margin: 0 10px 0 18px;
  padding: 5px 10px;
  border-radius: 0;
  color: #475569;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

#side-menu .sub-menu li a:hover,
#side-menu .sub-menu li.mm-active > a {
  background: transparent;
  color: var(--sidebar-brand);
}

#side-menu .sub-menu .subnav-icon {
  width: 16px;
  height: 16px;
  margin-right: 0;
}

#side-menu .sub-menu .subnav-label {
  font-size: 14px;
  font-weight: 500;
}

/* Compact collapsed state compatibility */
body.vertical-collpsed #side-menu > li > a {
  margin-left: 6px;
  margin-right: 6px;
}

/* Improve top logo strip cohesion with sidebar theme */
.navbar-brand-box {
  border-bottom: 1px solid var(--sidebar-border);
}

@media (max-width: 991.98px) {
  #side-menu > li > a {
    margin-left: 8px;
    margin-right: 8px;
  }

  #side-menu .sub-menu li a {
    margin-left: 14px;
    margin-right: 8px;
  }
}