/* ==========================================================================
   Blazor-Style Application Shell & Layout System - Compact Enterprise UX
   ========================================================================== */

:root {
  --sidebar-width: 230px;
  --sidebar-collapsed-width: 52px;
  --topbar-height: 44px;
  --sidebar-bg: rgba(9, 14, 28, 0.96);
  --topbar-bg: rgba(8, 13, 25, 0.9);
  --border-glass: rgba(255, 255, 255, 0.06);
}

/* App Container */
.blazor-app-shell {
  display: flex;
  min-height: 100vh;
  width: 100vw;
  background-color: var(--bg-base);
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Collapsible Sidebar (NavMenu)
   -------------------------------------------------------------------------- */
.blazor-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  position: sticky;
  top: 0;
  background: var(--sidebar-bg);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal), min-width var(--transition-normal);
  z-index: 1000;
  user-select: none;
}

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

/* Brand Section in Sidebar */
.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border-glass);
  overflow: hidden;
}

.sidebar-brand-icon {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
  color: #fff;
}

.sidebar-brand-icon svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  stroke-width: 2;
  fill: none;
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  opacity: 1;
  overflow: hidden;
  transition: opacity var(--transition-fast);
}

.blazor-sidebar.collapsed .sidebar-brand-text {
  opacity: 0;
  pointer-events: none;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: #fff;
  line-height: 1.15;
}

.brand-tagline {
  font-size: 9px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  line-height: 1.1;
  margin-top: 1px;
}

/* Navigation List */
.sidebar-nav {
  flex: 1;
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-dim);
  font-weight: 600;
  padding: 6px 8px 2px;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.blazor-sidebar.collapsed .nav-section-title {
  opacity: 0;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11.5px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  text-decoration: none;
}

.sidebar-nav-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-nav-item.active {
  color: #fff;
  background: rgba(0, 210, 255, 0.08);
  border-color: rgba(0, 210, 255, 0.18);
}

.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 2.5px;
  background: var(--accent-cyan);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 6px var(--accent-cyan);
}

.sidebar-nav-icon {
  width: 14px;
  height: 14px;
  min-width: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.sidebar-nav-icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}

.sidebar-nav-label {
  flex: 1;
  transition: opacity var(--transition-fast);
}

.blazor-sidebar.collapsed .sidebar-nav-label {
  opacity: 0;
  pointer-events: none;
}

.nav-badge {
  font-size: 8.5px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  transition: opacity var(--transition-fast);
}

.sidebar-nav-item.active .nav-badge {
  background: rgba(0, 210, 255, 0.16);
  color: var(--accent-cyan);
}

.blazor-sidebar.collapsed .nav-badge {
  opacity: 0;
}

/* Sidebar Footer & Toggle */
.sidebar-footer {
  padding: 8px 6px;
  border-top: 1px solid var(--border-glass);
}

.sidebar-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-toggle-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.sidebar-toggle-btn svg {
  width: 13px;
  height: 13px;
  min-width: 13px;
  transition: transform var(--transition-normal);
}

.blazor-sidebar.collapsed .sidebar-toggle-btn svg {
  transform: rotate(180deg);
}

.toggle-label {
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.blazor-sidebar.collapsed .toggle-label {
  opacity: 0;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Main Content Layout Area
   -------------------------------------------------------------------------- */
.blazor-main-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

/* Top App Bar */
.blazor-topbar {
  height: var(--topbar-height);
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--topbar-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 3px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
}

.breadcrumb-root {
  color: var(--text-muted);
}

.breadcrumb-separator {
  color: var(--text-dim);
  font-size: 10px;
}

.breadcrumb-current {
  color: #fff;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Live Status Badge in Topbar */
.topbar-status-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(16, 25, 48, 0.6);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Role & Account Badge Placeholder */
.user-account-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px 2px 4px;
  border-radius: var(--radius-full);
  background: rgba(16, 25, 48, 0.7);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-account-badge:hover {
  background: rgba(22, 34, 64, 0.85);
  border-color: rgba(0, 210, 255, 0.25);
}

.user-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a7bd5, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 9px;
  color: #fff;
}

.user-details {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.user-name {
  font-weight: 600;
  color: #fff;
  font-size: 11px;
}

.user-role {
  font-size: 8.5px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: 600;
}

/* Page Outlet Container */
.blazor-page-outlet {
  flex: 1;
  padding: 14px 18px;
  width: 90%;
  max-width: 90%;
  margin: 0 auto;
}

/* Module Placeholder Containers */
.module-placeholder-box {
  background: var(--bg-card);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
}

.module-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.module-icon-wrap svg {
  width: 18px;
  height: 18px;
}

.module-title {
  font-family: var(--font-heading);
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.module-desc {
  max-width: 440px;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.45;
  margin-bottom: 16px;
}

/* Responsive Rules */
@media (max-width: 900px) {
  .blazor-sidebar {
    position: fixed;
    left: -100%;
    transition: left var(--transition-normal);
  }

  .blazor-sidebar.mobile-open {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .blazor-topbar {
    padding: 0 12px;
  }

  .blazor-page-outlet {
    padding: 12px;
  }
}