.sidebar {
  background-image: var(--sidebar-bg);
  background-color: var(--primary);
  height: 100vh;
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  left: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
  z-index: 1000;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 24px -12px rgba(0, 73, 202, 0.45);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 4px;
}

/* --- Header / Logo --- */
.sidebarHeader {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 12px;
  border-bottom: 1px solid var(--sidebar-border);
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.collapsed .sidebarHeader {
  padding: 0;
  justify-content: center;
}

.logoWrapper {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logoImg {
  height: 47px !important;
  width: auto !important;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1) drop-shadow(0 0 12px rgba(255, 255, 255, 0.35));
  transition: transform 0.3s ease, height 0.3s ease;
}
.logoImg:hover {
  transform: scale(1.04);
}
.collapsed .logoImg {
  height: 39px !important;
}

/* --- Menu --- */
.menu {
  margin: 0;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
  list-style: none;
}
.menu li {
  list-style: none;
  position: relative;
}

.sectionLabel {
  display: block;
  margin: 16px 12px 6px;
  font-size: 11.6px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sidebar-section-text);
  white-space: nowrap;
}
.collapsed .sectionLabel {
  visibility: hidden;
  margin: 8px 0 0;
  height: 1px;
  overflow: hidden;
}

.sidebar ul li a {
  color: var(--sidebar-text);
  font-size: 14.9px;
  font-weight: 500;
  text-decoration: none;
  display: flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 10px;
  transition: background-color 0.18s ease, color 0.18s ease;
  position: relative;
  white-space: nowrap;
}

.sidebar ul li a:hover {
  background-color: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar ul li a i.bi {
  font-size: 18.7px;
  min-width: 22px;
  display: flex;
  justify-content: center;
  color: var(--sidebar-icon);
  transition: color 0.18s ease;
}

.sidebar ul li a:hover i.bi {
  color: var(--sidebar-text-active);
}

.sidebar ul li a span {
  margin-left: 12px;
}

.activelink {
  background-color: var(--sidebar-active) !important;
  color: var(--sidebar-text-active) !important;
  font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 4px 14px -8px rgba(0, 0, 0, 0.35);
}
.activelink i.bi {
  color: var(--sidebar-text-active) !important;
}
.activelink::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  height: 64%;
  width: 3px;
  background: #ffffff;
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
}

.parentOpen {
  background-color: var(--sidebar-hover);
  color: var(--sidebar-text-active) !important;
}
.parentOpen i.bi {
  color: var(--sidebar-text-active);
}

.chevron {
  margin-left: auto;
  transition: transform 0.3s ease;
  font-size: 12.1px !important;
  min-width: auto !important;
  color: rgba(255, 255, 255, 0.5) !important;
}
.chevronOpen {
  transform: rotate(90deg);
}

.submenu {
  list-style: none;
  margin: 2px 0 6px 18px;
  padding: 0 0 0 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.submenu.active {
  max-height: 600px;
}
.submenu li a {
  font-size: 14.3px;
  padding: 7px 12px;
  color: rgba(255, 255, 255, 0.7);
}
.submenu li a:hover {
  color: #ffffff;
}

.collapsed .menu {
  padding: 16px 8px;
}
.collapsed .sidebar ul li a {
  justify-content: center;
  padding: 10px;
}
.collapsed .sidebar ul li a span,
.collapsed .chevron {
  display: none;
}
.collapsed .activelink::before {
  height: 70%;
  top: 15%;
}

/* --- Footer (collapse toggle) --- */
.sidebarFooter {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.collapseToggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13.8px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
}
.collapseToggle:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.22);
}
.collapsed .collapseToggle {
  padding: 9px 0;
  gap: 0;
}

.closeBtn {
  display: none;
}

@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: 8px 0 32px -8px rgba(0, 0, 0, 0.35);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar.collapsed {
    width: var(--sidebar-width);
  }
  .closeBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    font-size: 15.4px;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
  }
  .closeBtn:hover {
    background: rgba(255, 255, 255, 0.18);
  }
}