/* ==========================================================================
   ABHIVANTA APP SHELL & DASHBOARD LAYOUT
   ========================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-app);
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sidebar-border);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.brand-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  object-fit: contain;
  background: #ffffff;
  padding: 3px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), 0 0 14px rgba(16, 185, 129, 0.35);
  flex-shrink: 0;
  border: 1px solid rgba(16, 185, 129, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.brand-logo-img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5), 0 0 20px rgba(16, 185, 129, 0.6);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 9px;
  color: var(--primary-400);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-toggle-btn {
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sidebar-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.sidebar-nav-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 6px 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(16, 185, 129, 0.3) transparent;
}

.sidebar-nav-wrap::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav-wrap::-webkit-scrollbar-thumb {
  background: rgba(16, 185, 129, 0.3);
  border-radius: 4px;
}

.nav-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  font-weight: 700;
  padding: 5px 8px 2px;
}

.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0;
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0.42rem 0.65rem;
  color: var(--sidebar-text);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link svg, .nav-link i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: #64748b;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.nav-link:hover svg {
  color: var(--primary-400);
}

.nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 700;
  border-left: 3px solid var(--sidebar-active-border);
}

.nav-link.active svg {
  color: var(--primary-400);
}

.nav-link .badge-counter {
  margin-left: auto;
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-full);
}

.sidebar-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--sidebar-border);
  background: var(--sidebar-bg-alt);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  border: 1.5px solid var(--primary-400);
}

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

.user-name {
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 10px;
  color: var(--primary-400);
  font-weight: 600;
  white-space: nowrap;
}

/* Main Area */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}

/* Topbar */
.app-topbar {
  height: var(--topbar-height);
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  box-shadow: var(--shadow-xs);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--slate-700);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb-item:hover {
  color: var(--primary-700);
}

.breadcrumb-separator {
  color: var(--slate-300);
}

.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-search {
  position: relative;
  width: 240px;
}

.topbar-search input {
  width: 100%;
  padding: 0.45rem 0.75rem 0.45rem 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  font-size: var(--text-xs);
  background: var(--slate-50);
  transition: all var(--transition-fast);
}

.topbar-search input:focus {
  background: #ffffff;
  border-color: var(--primary-500);
  width: 280px;
}

.topbar-search svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--slate-400);
  pointer-events: none;
}

.topbar-action-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  background: var(--slate-50);
  border: 1px solid var(--border-light);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.topbar-action-icon:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

.topbar-action-icon .notif-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 9px;
  height: 9px;
  background: var(--color-danger);
  border: 2px solid #ffffff;
  border-radius: 50%;
}

/* App Content Area */
.app-content {
  padding: 14px 20px;
  flex: 1;
  max-width: var(--max-content-width);
  width: 100%;
  margin: 0 auto;
}

/* Page Header Block - Neat, Crisp & Professional */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: 12px;
  flex-wrap: wrap;
  background: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary-500), var(--primary-400));
}

.page-title-wrap h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-title-wrap h1 svg,
.page-title-wrap h1 i {
  color: var(--primary-500);
}

.page-title-wrap p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 500;
}

.page-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 500;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Filter Bar */
.filter-bar {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-xs);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Fleet Status Ribbon */
.fleet-status-ribbon {
  background: linear-gradient(135deg, rgba(6, 28, 18, 0.96) 0%, rgba(7, 36, 24, 0.92) 100%);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-md);
  padding: 7px 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #ffffff;
  font-size: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.fleet-status-ribbon .ribbon-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fleet-status-ribbon .ribbon-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.fleet-status-ribbon .ribbon-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: #a7f3d0;
  font-weight: 600;
}

/* Dashboard KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

/* Charts Grid */
.charts-grid-main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.chart-card-full {
  margin-bottom: 12px;
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 235px;
}

.chart-wrapper-sm {
  position: relative;
  width: 100%;
  height: 195px;
}

/* Dual Column Layout */
.dashboard-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

/* Live Telemetry Card */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.telemetry-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.telemetry-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -4px rgba(16, 185, 129, 0.15);
  border-color: var(--primary-300);
}

.telemetry-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
}

.telemetry-title {
  font-size: var(--text-xs);
  color: #64748b;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.telemetry-val {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #0f172a;
  line-height: 1.1;
  font-family: var(--font-mono);
}

.telemetry-sub {
  font-size: 11px;
  color: #64748b;
  margin-top: 6px;
  font-weight: 500;
}

/* Mini Activity / Alert Items */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  transition: background-color var(--transition-fast);
}

.activity-item:hover {
  background: var(--slate-100);
}

.activity-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon.alert-critical { background: #fee2e2; color: #b91c1c; }
.activity-icon.alert-high     { background: #ffedd5; color: #c2410c; }
.activity-icon.alert-medium   { background: #fef3c7; color: #b45309; }
.activity-icon.alert-low      { background: #e0f2fe; color: #0369a1; }
.activity-icon.maintenance    { background: #dcfce7; color: #15803d; }

.activity-details {
  flex: 1;
  overflow: hidden;
}

.activity-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-main);
}

.activity-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.activity-time {
  font-size: 10px;
  color: var(--slate-400);
  margin-top: 2px;
}

/* Collapse state */
.sidebar-collapsed .app-sidebar {
  width: var(--sidebar-collapsed-width);
}
.sidebar-collapsed .app-main {
  margin-left: var(--sidebar-collapsed-width);
}
.sidebar-collapsed .brand-text-wrap,
.sidebar-collapsed .nav-section-title,
.sidebar-collapsed .nav-link span,
.sidebar-collapsed .nav-link .badge-counter,
.sidebar-collapsed .user-info {
  display: none;
}
.sidebar-collapsed .nav-link {
  justify-content: center;
  padding: 0.75rem 0;
}