/* ==========================================================================
   Simulated SaaS Application / Dashboard Styles - OrbiFusionAI
   ========================================================================== */

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

/* Sidebar */
.app-sidebar {
  width: 260px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: width var(--transition-normal);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-section-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 0.75rem 0.5rem 0.35rem 0.5rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-link:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: var(--accent-light);
  color: var(--accent-primary);
  font-weight: 600;
}

.sidebar-link .badge {
  margin-left: auto;
}

.sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.user-info h6 {
  font-size: 0.875rem;
  margin-bottom: 0.1rem;
}

.user-info p {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* App Main Content Area */
.app-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-topbar {
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-search-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.45rem 1rem;
  color: var(--text-tertiary);
  font-size: 0.875rem;
  cursor: pointer;
  width: 280px;
}

.topbar-search-trigger:hover {
  border-color: var(--border-strong);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-body {
  padding: 2rem;
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* Dashboard KPI Row */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-normal);
}

.kpi-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.35rem;
}

.trend-up { color: var(--accent-emerald); }
.trend-down { color: var(--accent-rose); }

/* Activity & Intelligence Streams */
.stream-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stream-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.stream-item:hover {
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
}

.stream-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stream-content {
  flex: 1;
}

.stream-content h6 {
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.stream-content p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.stream-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* Responsive Dashboard */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .app-sidebar { transform: translateX(-100%); }
  .app-sidebar.open { transform: translateX(0); }
  .app-main { margin-left: 0; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .app-body { padding: 1.25rem; }
}

@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr; }
}