/* =========================
   PREMIUM GRADIENT BLUE SIDEBAR
========================= */

:root{
  --sb-width: 280px;
  --sb-width-collapsed: 84px;

  /* Gradient colors */
  --sb-bg-1: #0f2a44;   /* deep blue */
  --sb-bg-2: #0b4ea2;   /* royal blue */

  --sb-text: #e8f1ff;
  --sb-muted: #b7cff2;

  --sb-hover-bg: rgba(255,255,255,0.15);
  --sb-active-bg: #ffffff;
  --sb-active-text: #0b4ea2;

  --sb-indicator: #38bdf8; /* sky blue */
}

/* =========================
   SIDEBAR CONTAINER
========================= */
.sidebar{
  width: var(--sb-width);
  min-height: 100vh;
  background: linear-gradient(180deg, var(--sb-bg-1), var(--sb-bg-2));
}

/* Offcanvas wrapper */
#sidebarOffcanvas{
  background: linear-gradient(180deg, var(--sb-bg-1), var(--sb-bg-2));
}

/* Sidebar title / header text */
.sidebar .fw-semibold,
.sidebar .offcanvas-title{
  color: #ffffff !important;
}

.sidebar .text-muted{
  color: var(--sb-muted) !important;
}

/* =========================
   MENU ITEMS
========================= */
.sidebar .list-group-item{
  position: relative;
  background: transparent;
  color: var(--sb-text);
  border: none;

  padding: 12px 18px;
  margin: 6px 12px;
  border-radius: 12px;

  display: flex;
  align-items: center;
  gap: 12px;

  font-weight: 500;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}

/* Icons */
.sidebar .list-group-item i{
  font-size: 1.1rem;
  color: var(--sb-text);
  transition: color .25s ease;
}

/* Left indicator */
.sidebar .list-group-item::before{
  content: "";
  position: absolute;
  left: -6px;
  top: 12px;
  bottom: 12px;
  width: 4px;
  border-radius: 999px;
  background: transparent;
  transition: background .25s ease;
}

/* Hover effect */
.sidebar .list-group-item:hover{
  background: var(--sb-hover-bg);
  transform: translateX(6px);
}

/* =========================
   ACTIVE MENU ITEM
========================= */
.sidebar .list-group-item.active{
  background: var(--sb-active-bg) !important;
  color: var(--sb-active-text) !important;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
}

.sidebar .list-group-item.active i{
  color: var(--sb-active-text) !important;
}

.sidebar .list-group-item.active::before{
  background: var(--sb-indicator);
}

/* Menu text */
.sidebar .nav-text{
  white-space: nowrap;
}

/* =========================
   DESKTOP FIXED SIDEBAR
========================= */
@media (min-width: 992px){
  #sidebarOffcanvas{
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sb-width);
    transform: none !important;
    visibility: visible !important;
    z-index: 1030;
  }

  .page-wrap{
    margin-left: var(--sb-width);
    min-height: 100vh;
  }
}

/* =========================
   COLLAPSED (ICON ONLY) MODE
========================= */
@media (min-width: 992px){
  body.sidebar-collapsed #sidebarOffcanvas{
    width: var(--sb-width-collapsed);
  }

  body.sidebar-collapsed .page-wrap{
    margin-left: var(--sb-width-collapsed);
  }

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

  body.sidebar-collapsed .nav-text{
    display: none;
  }

  body.sidebar-collapsed .list-group-item{
    justify-content: center;
    padding: 14px 0;
    margin: 6px auto;
  }

  body.sidebar-collapsed .list-group-item::before{
    left: 6px;
  }
}

/* =========================
   MOBILE OFFCANVAS
========================= */
@media (max-width: 991.98px){
  #sidebarOffcanvas{
    background: linear-gradient(180deg, var(--sb-bg-1), var(--sb-bg-2));
  }

  .offcanvas-header{
    border-bottom: 1px solid rgba(255,255,255,.15);
  }

  .btn-close{
    filter: invert(1);
    opacity: 1;
  }
}