/* Premium visual layer for the existing MediBill sidebar. Navigation, route
   state, dimensions, and drawer behaviour remain owned by their current files. */
#sidebar.medibill-sidebar.sidebar {
  background: linear-gradient(180deg, rgba(248, 252, 255, .98), rgba(240, 247, 253, .98));
  border-right: 1px solid rgba(80, 130, 170, .12);
  box-shadow: 8px 0 30px rgba(52, 91, 125, .06);
}

.medibill-sidebar .brand {
  position: relative;
  align-items: center;
  padding-bottom: 20px;
}

.medibill-sidebar .brand::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 5px;
  left: 10px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(86, 146, 194, .24), transparent);
}

.medibill-sidebar .brand b {
  color: #0f78b9;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .8);
}

.medibill-sidebar .brand small {
  color: #536f96;
}

.medibill-sidebar .pharmacy-nav-main {
  flex: 0 1 auto;
  gap: 1px;
  padding: 4px 2px 0;
  scrollbar-color: rgba(69, 133, 187, .42) transparent;
}

.medibill-sidebar .pharmacy-nav {
  gap: 1px;
}

.medibill-sidebar .pharmacy-nav-main::-webkit-scrollbar {
  width: 4px;
}

.medibill-sidebar .pharmacy-nav-main::-webkit-scrollbar-thumb {
  background: rgba(69, 133, 187, .42);
  border: 1px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

.medibill-sidebar .nav-item,
.medibill-sidebar .nav-group > summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: #19365f;
  box-shadow: none;
  transition: background .16s ease, color .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.medibill-sidebar .nav-item i,
.medibill-sidebar .nav-group > summary i {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  flex: 0 0 32px;
  border: 1px solid rgba(91, 154, 206, .16);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(222, 242, 255, .88));
  color: #246da9 !important;
  font-size: 16px;
  line-height: 1;
  opacity: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 3px 8px rgba(52, 120, 177, .05);
}

.medibill-sidebar .nav-item:hover,
.medibill-sidebar .nav-group > summary:hover {
  border-color: rgba(99, 163, 213, .22);
  background: rgba(223, 242, 255, .66);
  color: #164d85;
  box-shadow: 0 4px 12px rgba(52, 121, 179, .07);
}

.medibill-sidebar .nav-group > summary:hover,
.medibill-sidebar .nav-group > summary:hover span {
  color: #164d85 !important;
}

.medibill-sidebar .nav-group > summary:hover i {
  color: #246da9 !important;
}

.medibill-sidebar .nav-item.active {
  color: #0d5d9d;
  border-color: rgba(73, 156, 225, .25);
  background: linear-gradient(135deg, rgba(222, 241, 255, .96), rgba(235, 248, 255, .94));
  box-shadow: 0 6px 18px rgba(56, 139, 201, .10);
}

.medibill-sidebar .nav-item.active::before {
  content: "";
  position: absolute;
  top: 9px;
  bottom: 9px;
  left: 0;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, #2ea9f6, #3574e8);
}

.medibill-sidebar .nav-item.active i {
  border-color: rgba(58, 146, 219, .22);
  background: linear-gradient(145deg, #d9f3ff, #cce8ff);
  color: #126ed1 !important;
  box-shadow: 0 5px 12px rgba(57, 137, 208, .12);
}

.medibill-sidebar .nav-data-center {
  color: #19365f;
}

.medibill-sidebar .nav-data-center i {
  border-color: rgba(15, 143, 168, .18);
  background: #e7f8fa;
  color: #0f8fa8 !important;
}

.medibill-sidebar .nav-data-center:hover {
  border-color: rgba(15, 143, 168, .24);
  background: rgba(223, 248, 249, .72);
  color: #0b6678;
}

.medibill-sidebar .nav-data-center:hover i {
  color: #0f8fa8 !important;
}

.medibill-sidebar .nav-data-center.active {
  border-color: rgba(15, 143, 168, .26);
  background: linear-gradient(135deg, #dff7f8, #effcfc);
  color: #0b6678;
  box-shadow: 0 6px 18px rgba(15, 143, 168, .10);
}

.medibill-sidebar .nav-data-center.active::before {
  background: linear-gradient(180deg, #22b8c2, #0f8fa8);
}

.medibill-sidebar .nav-data-center.active i {
  border-color: rgba(15, 143, 168, .22);
  background: linear-gradient(145deg, #d9f5f6, #c8eef0);
  color: #0f8fa8 !important;
  box-shadow: 0 5px 12px rgba(15, 143, 168, .12);
}

.medibill-sidebar .nav-group {
  border: 0;
  border-radius: 12px;
}

.medibill-sidebar .nav-group > summary::after {
  content: "›";
  margin-left: auto;
  color: #5a7ca4;
  font: 700 19px/1 "DM Sans", sans-serif;
  transform: rotate(0deg);
  transition: transform .16s ease, color .16s ease;
}

.medibill-sidebar .nav-group[open] > summary,
.medibill-sidebar .nav-group:has(.nav-subitem.active) > summary {
  color: #0d5d9d !important;
  border-color: rgba(73, 156, 225, .22);
  background: linear-gradient(135deg, rgba(224, 243, 255, .94), rgba(240, 249, 255, .92)) !important;
  box-shadow: 0 5px 15px rgba(56, 139, 201, .08) !important;
}

.medibill-sidebar .nav-group[open] summary span,
.medibill-sidebar .nav-group:has(.nav-subitem.active) summary span {
  color: #0d5d9d !important;
}

.medibill-sidebar .nav-group[open] > summary i,
.medibill-sidebar .nav-group:has(.nav-subitem.active) > summary i {
  border-color: rgba(58, 146, 219, .2);
  background: linear-gradient(145deg, #daf3ff, #cce9ff);
  color: #126ed1 !important;
}

.medibill-sidebar .nav-group[open] > summary::after {
  color: #126ed1;
  transform: rotate(90deg);
}

.medibill-sidebar .nav-submenu {
  margin-top: 3px;
  margin-bottom: 0;
  padding-bottom: 5px;
  border-left-color: rgba(84, 153, 207, .28);
}

.medibill-sidebar .nav-subitem {
  position: relative;
  min-height: 29px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #5b759a !important;
  font-weight: 600;
  transition: background .16s ease, color .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.medibill-sidebar .nav-subitem:hover {
  border-color: rgba(102, 166, 214, .18);
  background: rgba(229, 244, 255, .76) !important;
  color: #236ba7 !important;
}

.medibill-sidebar .nav-subitem.active {
  border-color: rgba(80, 158, 221, .2);
  background: #e3f3ff !important;
  color: #1265b8 !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7);
}

.medibill-sidebar .nav-subitem.active::before {
  content: "";
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 2px;
  width: 2px;
  border-radius: 3px;
  background: #2789e8;
}

.medibill-sidebar :is(.nav-item, .nav-subitem, .nav-group > summary):focus-visible {
  outline: 2px solid rgba(35, 134, 239, .62);
  outline-offset: 2px;
}

.medibill-sidebar .pharmacy-nav-utilities {
  gap: 1px;
  margin-top: 0;
  padding: 0 2px 1px;
  border-top: 0;
  background: transparent;
}

.medibill-sidebar .pharmacy-nav-utilities .nav-settings {
  margin-bottom: 0;
}

@media (max-width: 760px) {
  .medibill-sidebar .pharmacy-nav {
    gap: 2px;
  }

  .medibill-sidebar .pharmacy-nav-main,
  .medibill-sidebar .pharmacy-nav-utilities {
    gap: 2px;
  }

  .medibill-sidebar .nav-item,
  .medibill-sidebar .nav-group > summary {
    height: 44px;
    min-height: 44px;
  }

  .medibill-sidebar .nav-subitem {
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .medibill-sidebar :is(.nav-item, .nav-group > summary, .nav-subitem, .nav-group > summary::after) {
    transition: none !important;
  }
}