/* ==========================================================================
   UNIFIED SIDEBAR — MKCE Website
   Consistent sidebar navigation across all pages with sidebars.
   Targets: .r-sidebar-nav, .modern-nav-pills, .dp-sidebar .nav-pills,
            .lm-lib-sidebar
   ========================================================================== */

:root {
  --sb-accent: #000066;
  --sb-accent-light: #000d80;
  --sb-accent-pale: #eef0f7;
  --sb-surface: #ffffff;
  --sb-bg: #f8fafc;
  --sb-border: #e2e8f0;
  --sb-text: #475569;
  --sb-text-muted: #94a3b8;
  --sb-radius: 12px;
  --sb-font: 'Inter', system-ui, -apple-system, sans-serif;
}


/* ==========================================================================
   1. SIDEBAR CONTAINER — Unified wrapper
   ========================================================================== */
.r-sidebar-nav,
.modern-nav-pills:not(.horizontal-pills),
.dp-sidebar .nav-pills,
.lm-lib-sidebar {
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  background: var(--sb-surface) !important;
  border-radius: 16px !important;
  padding: 14px !important;
  border: 1px solid var(--sb-border) !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04) !important;
}

/* Reset bootstrap .nav-pills flex-wrap that may interfere */
.modern-nav-pills.nav-pills:not(.horizontal-pills),
.dp-sidebar .nav-pills {
  flex-wrap: nowrap !important;
}

/* Sticky positioning */
.r-sidebar-nav,
.lm-lib-sidebar {
  position: sticky !important;
  top: 100px !important;
}


/* ==========================================================================
   2. SIDEBAR LINKS — All variants unified
   ========================================================================== */
.r-sidebar-nav a,
.modern-nav-pills:not(.horizontal-pills) .nav-link,
.dp-sidebar .nav-pills .nav-link,
.lm-lib-pill {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 13px 18px !important;
  border-radius: 10px !important;
  font-family: var(--sb-font) !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  color: var(--sb-text) !important;
  text-decoration: none !important;
  background: transparent !important;
  border: 1.5px solid transparent !important;
  transition: all 0.25s ease !important;
  margin-bottom: 0 !important;
  position: relative !important;
  cursor: pointer !important;
  text-align: left !important;
  width: 100% !important;
  letter-spacing: 0.2px !important;
  line-height: 1.4 !important;
}

/* Reset aboutUs transform */
.modern-nav-pills:not(.horizontal-pills) .nav-link {
  transform: none !important;
}

/* Reset aboutUs ::before pseudo-element */
.modern-nav-pills:not(.horizontal-pills) .nav-link::before,
.modern-nav-pills:not(.horizontal-pills) .nav-link.active::before {
  display: none !important;
  content: none !important;
}


/* ==========================================================================
   3. SIDEBAR ICONS — Consistent icon styling
   ========================================================================== */
.r-sidebar-nav a i,
.modern-nav-pills:not(.horizontal-pills) .nav-link i,
.dp-sidebar .nav-pills .nav-link i,
.lm-lib-pill i {
  font-size: 1.05rem !important;
  width: 36px !important;
  height: 36px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 8px !important;
  background: var(--sb-accent-pale) !important;
  color: var(--sb-text-muted) !important;
  transition: all 0.25s ease !important;
  flex-shrink: 0 !important;
  box-shadow: none !important;
  margin-right: 0 !important;
}


/* ==========================================================================
   4. HOVER STATE
   ========================================================================== */
.r-sidebar-nav a:hover,
.modern-nav-pills:not(.horizontal-pills) .nav-link:hover,
.dp-sidebar .nav-pills .nav-link:hover,
.lm-lib-pill:hover {
  background: var(--sb-accent-pale) !important;
  color: var(--sb-accent) !important;
  border-color: #dde2f0 !important;
  transform: none !important;
  box-shadow: none !important;
}

.r-sidebar-nav a:hover i,
.modern-nav-pills:not(.horizontal-pills) .nav-link:hover i,
.dp-sidebar .nav-pills .nav-link:hover i,
.lm-lib-pill:hover i {
  background: #dde2f0 !important;
  color: var(--sb-accent) !important;
}


/* ==========================================================================
   5. ACTIVE STATE — Blue gradient pill
   ========================================================================== */
.r-sidebar-nav a.active,
.modern-nav-pills:not(.horizontal-pills) .nav-link.active,
.dp-sidebar .nav-pills .nav-link.active,
.lm-lib-pill.active {
  background: linear-gradient(135deg, #000060, #000070) !important;
  color: #fff !important;
  border-color: transparent !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(0, 0, 102, 0.3) !important;
  transform: none !important;
}

/* Active icon */
.r-sidebar-nav a.active i,
.modern-nav-pills:not(.horizontal-pills) .nav-link.active i,
.dp-sidebar .nav-pills .nav-link.active i,
.lm-lib-pill.active i {
  background: rgba(255,255,255,0.2) !important;
  color: #fff !important;
  opacity: 1 !important;
}


/* ==========================================================================
   6. RESPONSIVE — Horizontal on mobile
   ========================================================================== */
@media (max-width: 991px) {
  .r-sidebar-nav,
  .modern-nav-pills:not(.horizontal-pills),
  .dp-sidebar .nav-pills,
  .lm-lib-sidebar {
    position: static !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    padding: 10px !important;
    margin-bottom: 24px !important;
  }

  .r-sidebar-nav a,
  .modern-nav-pills:not(.horizontal-pills) .nav-link,
  .dp-sidebar .nav-pills .nav-link,
  .lm-lib-pill {
    padding: 10px 16px !important;
    font-size: 0.82rem !important;
    width: auto !important;
    flex: 0 0 auto !important;
  }

  .r-sidebar-nav a i,
  .modern-nav-pills:not(.horizontal-pills) .nav-link i,
  .dp-sidebar .nav-pills .nav-link i,
  .lm-lib-pill i {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.9rem !important;
  }
}

@media (max-width: 575px) {
  .r-sidebar-nav a,
  .modern-nav-pills:not(.horizontal-pills) .nav-link,
  .dp-sidebar .nav-pills .nav-link,
  .lm-lib-pill {
    padding: 8px 12px !important;
    font-size: 0.78rem !important;
    gap: 8px !important;
  }
}