.app-layout {
  display: grid;
  grid-template-columns: var(--xn-sidebar-width) 1fr;
  min-height: 100vh;
  transition: grid-template-columns var(--xn-transition-slow);
}

.app-layout.sidebar-collapsed {
  grid-template-columns: var(--xn-sidebar-collapsed-width) 1fr;
}

.main-content {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

.page-header {
  padding: var(--xn-space-6) var(--xn-space-8);
  border-bottom: 1px solid var(--xn-border);
  background: var(--xn-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--xn-space-4);
}

.page-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--xn-space-1);
}

.page-title {
  font-size: var(--xn-text-2xl);
  font-weight: var(--xn-font-bold);
  color: var(--xn-text);
  letter-spacing: var(--xn-tracking-tight);
}

.page-subtitle {
  font-size: var(--xn-text-sm);
  color: var(--xn-text-muted);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--xn-space-3);
}

.page-body {
  padding: var(--xn-space-8);
  flex: 1;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--xn-space-6);
  margin-bottom: var(--xn-space-8);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--xn-space-6);
  margin-bottom: var(--xn-space-8);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--xn-space-6);
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--xn-space-3);
  padding: var(--xn-space-4) 0;
  margin-bottom: var(--xn-space-4);
  flex-wrap: wrap;
}

.filter-bar .filter-search {
  margin-left: auto;
  min-width: 240px;
}

.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--xn-space-4) var(--xn-space-4);
  border-top: 1px solid var(--xn-border);
  font-size: var(--xn-text-sm);
  color: var(--xn-text-muted);
}

.table-footer-controls {
  display: flex;
  align-items: center;
  gap: var(--xn-space-4);
}

/* Login layout */
.login-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--xn-bg-subtle);
  padding: var(--xn-space-4);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--xn-surface);
  border-radius: var(--xn-radius-lg);
  box-shadow: var(--xn-shadow-lg);
  padding: var(--xn-space-10);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--xn-space-3);
  margin-bottom: var(--xn-space-8);
}

.login-logo-icon {
  width: 56px;
  height: 56px;
  background: var(--xn-primary);
  border-radius: var(--xn-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
}

.login-logo-text {
  font-size: var(--xn-text-2xl);
  font-weight: var(--xn-font-bold);
  color: var(--xn-text);
}

.login-logo-subtitle {
  font-size: var(--xn-text-sm);
  color: var(--xn-text-muted);
}

/* Responsive */
@media (max-width: 1023px) {
  .app-layout {
    grid-template-columns: var(--xn-sidebar-collapsed-width) 1fr;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .page-body {
    padding: var(--xn-space-6);
  }
}

@media (max-width: 767px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    z-index: var(--xn-z-modal);
    transition: left var(--xn-transition-slow);
  }

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

  .page-header {
    padding: var(--xn-space-4);
  }

  .page-body {
    padding: var(--xn-space-4);
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--xn-space-3);
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .filter-search {
    margin-left: 0;
    min-width: auto;
  }
}