/**
 * EIMBox Core - Responsive Layout & Component Stylesheet
 * Desktop Sidebar Drawer + Mobile Bottom Navigation Bar & M3 Overlays
 */

/* Main Layout Wrapper */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Desktop Sidebar Drawer */
.sidebar-drawer {
  width: 250px;
  background: var(--m3-surface);
  border-right: 1px solid var(--m3-surface-border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--m3-transition-smooth);
}

.sidebar-brand {
  padding: 0.85rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-bottom: 1px solid var(--m3-surface-border-subtle);
}

.sidebar-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--m3-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.sidebar-logo span {
  color: var(--m3-text-primary);
  font-size: 0.8rem;
  background: var(--m3-surface-container-high);
  padding: 0.15rem 0.45rem;
  border-radius: var(--m3-radius-sm);
  font-weight: 500;
}

.sidebar-nav {
  padding: 0.35rem 0.4rem;
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav::-webkit-scrollbar {
  width: 3px;
}
.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
}

/* Single Top-Level Nav Link (e.g. Dashboard) */
.nav-link-direct {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 0.65rem;
  color: var(--m3-text-secondary);
  text-decoration: none;
  border-radius: var(--m3-radius-sm);
  font-weight: 500;
  font-size: 0.83rem;
  transition: all var(--m3-transition-fast);
  margin-bottom: 2px;
}
.nav-link-direct:hover {
  background: var(--m3-surface-container);
  color: var(--m3-text-primary);
}
.nav-link-direct.active {
  background: rgba(var(--m3-primary-rgb), 0.15);
  color: var(--m3-primary);
  font-weight: 600;
}
.nav-link-direct i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.nav-link-direct .nav-text {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nav Group Container */
.nav-group-container {
  margin-bottom: 2px;
}

/* Group Header Button / Accordion Trigger */
.nav-group-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.42rem 0.65rem;
  background: transparent;
  border: none;
  border-radius: var(--m3-radius-sm);
  color: var(--m3-text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--m3-transition-fast);
  user-select: none;
}

.nav-group-trigger:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--m3-text-primary);
}

.nav-group-trigger.has-active {
  color: var(--m3-primary);
}

.nav-group-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
}

.nav-group-left i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  color: var(--m3-text-muted);
  transition: color var(--m3-transition-fast);
}

.nav-group-trigger:hover .nav-group-left i,
.nav-group-trigger.has-active .nav-group-left i {
  color: var(--m3-primary);
}

.nav-group-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-group-right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.nav-group-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.05rem 0.35rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--m3-text-muted);
}

.nav-group-chevron {
  font-size: 0.7rem;
  color: var(--m3-text-muted);
  transition: transform var(--m3-transition-normal);
}

.nav-group-trigger.expanded .nav-group-chevron {
  transform: rotate(90deg);
  color: var(--m3-text-primary);
}

/* Collapsible Sub-menu List */
.nav-group-collapse {
  display: none;
}

.nav-group-collapse.show {
  display: block;
  animation: m3NavSlideDown 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes m3NavSlideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-sub-items {
  display: flex;
  flex-direction: column;
  gap: 1.5px;
  padding: 0.15rem 0 0.25rem 0.85rem;
  margin-left: 0.65rem;
  border-left: 1.5px solid rgba(255, 255, 255, 0.08);
}

/* Sub Links */
.nav-sub-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.32rem 0.55rem;
  color: var(--m3-text-secondary);
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.25;
  transition: all var(--m3-transition-fast);
}

.nav-sub-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--m3-text-primary);
  transform: translateX(2px);
}

.nav-sub-link.active {
  background: rgba(var(--m3-primary-rgb), 0.15);
  color: var(--m3-primary);
  font-weight: 600;
}

.nav-sub-link i {
  font-size: 0.88rem;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.nav-sub-text {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   Material Design 3 (M3) Modals & Backdrops
   ========================================================================== */
.modal-backdrop-m3 {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: m3ModalFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes m3ModalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.m3-modal-card {
  background: var(--m3-surface);
  border: 1px solid var(--m3-surface-border);
  border-radius: var(--m3-radius-lg);
  box-shadow: var(--m3-elevation-4);
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
  position: relative;
  animation: m3ModalSlideUp 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes m3ModalSlideUp {
  from {
    transform: translateY(20px) scale(0.97);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.m3-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--m3-surface-border-subtle);
}

.btn-close-m3 {
  background: transparent;
  border: none;
  color: var(--m3-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--m3-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--m3-transition-fast);
}

.btn-close-m3:hover {
  color: var(--m3-text-primary);
  background: var(--m3-surface-container-high);
}

/* User Card in Sidebar Footer */
.sidebar-footer {
  padding: 0.65rem 0.85rem;
  border-top: 1px solid var(--m3-surface-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
}

.user-avatar {
  width: 32px;
  height: 32px;
  font-size: 0.85rem;
  border-radius: 50%;
  background: var(--m3-primary);
  color: #111418;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--m3-text-primary);
  max-width: 130px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.75rem;
  color: var(--m3-primary);
}

/* Main Content Area */
.main-content {
  margin-left: 250px;
  flex-grow: 1;
  min-width: 0;
  width: calc(100% - 250px);
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--m3-bg-base);
  padding-bottom: 2rem;
  transition: margin-left var(--m3-transition-smooth), width var(--m3-transition-smooth);
}

/* Desktop Sidebar Collapsed State */
.app-wrapper.sidebar-collapsed .sidebar-drawer {
  width: 72px;
}

.app-wrapper.sidebar-collapsed .sidebar-brand {
  padding: 0.85rem 0.5rem;
  justify-content: center;
}

.app-wrapper.sidebar-collapsed .sidebar-logo span,
.app-wrapper.sidebar-collapsed .sidebar-brand-text,
.app-wrapper.sidebar-collapsed .nav-group-label,
.app-wrapper.sidebar-collapsed .nav-group-right,
.app-wrapper.sidebar-collapsed .nav-link-direct .nav-text,
.app-wrapper.sidebar-collapsed .nav-sub-link .nav-sub-text,
.app-wrapper.sidebar-collapsed .user-info,
.app-wrapper.sidebar-collapsed .sidebar-footer-action {
  display: none !important;
}

.app-wrapper.sidebar-collapsed .nav-link-direct,
.app-wrapper.sidebar-collapsed .nav-group-trigger {
  justify-content: center;
  padding: 0.5rem 0;
}

.app-wrapper.sidebar-collapsed .nav-sub-items {
  margin-left: 0;
  padding-left: 0;
  border-left: none;
}

.app-wrapper.sidebar-collapsed .nav-sub-link {
  justify-content: center;
  padding: 0.45rem 0;
}

.app-wrapper.sidebar-collapsed .sidebar-footer {
  padding: 0.65rem 0.5rem;
  justify-content: center;
}

.app-wrapper.sidebar-collapsed .main-content {
  margin-left: 72px;
  width: calc(100% - 72px);
}

/* Top App Bar Header */
.top-appbar {
  height: 64px;
  background: rgba(24, 28, 34, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--m3-surface-border-subtle);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.top-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sidebar-toggle-btn {
  background: var(--m3-surface-container);
  border: 1px solid var(--m3-surface-border);
  color: var(--m3-text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--m3-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--m3-transition-fast);
}

.sidebar-toggle-btn:hover {
  background: var(--m3-surface-container-high);
  color: var(--m3-primary);
}

.page-heading-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--m3-text-primary);
}

.top-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Topbar User Profile Dropdown */
.user-menu-container {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--m3-surface-container);
  border: 1px solid var(--m3-surface-border);
  padding: 0.35rem 0.75rem 0.35rem 0.45rem;
  border-radius: var(--m3-radius-full);
  cursor: pointer;
  transition: all var(--m3-transition-fast);
}

.user-menu-trigger:hover {
  background: var(--m3-surface-container-high);
  border-color: rgba(var(--m3-primary-rgb), 0.4);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 250px;
  background: var(--m3-surface);
  border: 1px solid var(--m3-surface-border);
  border-radius: var(--m3-radius-lg);
  box-shadow: var(--m3-elevation-4);
  padding: 0.75rem 0;
  z-index: 1000;
  display: none;
  animation: slideDownFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-menu-dropdown.show {
  display: block;
}

.user-dropdown-header {
  padding: 0.75rem 1.25rem 1rem;
  border-bottom: 1px solid var(--m3-surface-border-subtle);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: var(--m3-text-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--m3-transition-fast);
}

.user-dropdown-item:hover {
  background: var(--m3-surface-container);
  color: var(--m3-primary);
}

.user-dropdown-item.danger {
  color: var(--m3-danger);
}

.user-dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--m3-surface-border-subtle);
  margin: 0.4rem 0;
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Content Container Grid */
.content-body {
  padding: 1.5rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  min-width: 0;
  box-sizing: border-box;
}

/* Reusable Metrics KPI Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

/* Mobile Bottom Navigation Bar */
.bottom-nav-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 65px;
  background: rgba(24, 28, 34, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--m3-surface-border);
  z-index: 1000;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.5rem;
  box-shadow: var(--m3-elevation-3);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--m3-text-secondary);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--m3-radius-md);
  transition: all var(--m3-transition-fast);
  flex: 1;
}

.bottom-nav-item i {
  font-size: 1.3rem;
  margin-bottom: 2px;
}

.bottom-nav-item.active {
  color: var(--m3-primary);
}

.bottom-nav-item.active i {
  background: rgba(var(--m3-primary-rgb), 0.15);
  padding: 2px 14px;
  border-radius: var(--m3-radius-full);
}

/* M3 Modern Bottom Snackbar / Toast */
.m3-snackbar-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  width: 90%;
  max-width: 420px;
}

.m3-snackbar {
  background: var(--m3-surface-container-high);
  color: var(--m3-text-primary);
  border: 1px solid var(--m3-surface-border);
  border-radius: var(--m3-radius-md);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  box-shadow: var(--m3-elevation-3);
  pointer-events: auto;
  animation: slideUpFade 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.m3-snackbar.success {
  border-left: 4px solid var(--m3-success);
}

.m3-snackbar.error {
  border-left: 4px solid var(--m3-danger);
}

.m3-snackbar.info {
  border-left: 4px solid var(--m3-secondary);
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Overrides (Mobile Breakpoints) */
@media (max-width: 991px) {
  .sidebar-drawer {
    transform: translateX(-100%);
  }

  .sidebar-drawer.open {
    transform: translateX(0);
    box-shadow: var(--m3-elevation-4);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 99;
  }

  .sidebar-backdrop.active {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding-bottom: 80px; /* Space for bottom nav */
  }

  .bottom-nav-bar {
    display: flex;
  }

  .content-body {
    padding: 1rem;
  }
}

/* ==========================================================================
   Role & Environment Simulation Engine (Super Admin L5 Testing Mode)
   ========================================================================== */
.m3-simulation-banner {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.18) 0%, rgba(168, 85, 247, 0.18) 100%);
  border-bottom: 1px solid rgba(245, 158, 11, 0.4);
  padding: 0.55rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  z-index: 105;
  backdrop-filter: blur(8px);
}

.sim-info-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.sim-badge {
  background: #f59e0b;
  color: #111418;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--m3-radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  letter-spacing: 0.5px;
  animation: pulseSim 2s infinite ease-in-out;
}

@keyframes pulseSim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.03); }
}

.sim-text {
  font-size: 0.85rem;
  color: var(--m3-text-primary);
}

.sim-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Modal Tab Styles for Role Switcher */
.m3-sim-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--m3-surface-border-subtle);
  margin-bottom: 1.25rem;
}

.m3-sim-tab-btn {
  background: none;
  border: none;
  color: var(--m3-text-secondary);
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.m3-sim-tab-btn.active {
  color: var(--m3-primary);
  border-bottom-color: var(--m3-primary);
}

.sim-level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.sim-level-card {
  background: var(--m3-surface-container);
  border: 1px solid var(--m3-surface-border-subtle);
  border-radius: var(--m3-radius-md);
  padding: 0.75rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sim-level-card:hover {
  border-color: var(--m3-primary);
  background: var(--m3-surface-container-high);
}

.sim-level-card.selected {
  border-color: var(--m3-primary);
  background: rgba(56, 189, 248, 0.15);
  box-shadow: 0 0 0 1px var(--m3-primary);
}

.sim-user-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--m3-surface-border-subtle);
  cursor: pointer;
  transition: background 0.15s ease;
}

.sim-user-item:hover {
  background: var(--m3-surface-container-high);
}