.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease, transform 0.25s ease;
  z-index: 100;
}

.sidebar-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.brand-title {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-name {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}

.brand-main {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--accent-color, #38bdf8);
  text-align: right;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  color: var(--text-secondary);
  border-radius: var(--radius-md, 0.375rem);
  font-weight: 500;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
}

.nav-link.active {
  color: var(--text-primary);
  background-color: var(--bg-sidebar-active);
  font-weight: 600;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

.topbar {
  height: 64px;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.content-body {
  padding: 1.5rem;
  flex: 1;
  width: 100%;
  box-sizing: border-box;
}

.container-xl {
  max-width: 100%;
  margin: 0;
  width: 100%;
}

.grid-kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.grid-charts {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}

.sidebar-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md, 0.375rem);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast, 0.15s ease);
}

.sidebar-toggle-btn:hover {
  background: var(--bg-surface);
  border-color: var(--border-hover, #334155);
  color: var(--text-primary);
}

html.sidebar-collapsed:not(.transitions-ready) .sidebar {
  transition: none !important;
}

.sidebar.collapsed,
html.sidebar-collapsed .sidebar {
  width: 72px;
}

.sidebar.collapsed .brand-name,
html.sidebar-collapsed .sidebar .brand-name {
  display: none;
}

.sidebar.collapsed .brand-title,
html.sidebar-collapsed .sidebar .brand-title {
  justify-content: center;
}

.sidebar.collapsed .sidebar-header,
html.sidebar-collapsed .sidebar .sidebar-header {
  padding: 1.25rem 0.5rem;
  justify-content: center;
}

.sidebar.collapsed .nav-link,
html.sidebar-collapsed .sidebar .nav-link {
  justify-content: center;
  padding: 0.65rem 0;
}

.sidebar.collapsed .nav-label,
html.sidebar-collapsed .sidebar .nav-label {
  display: none;
}

.sidebar.collapsed .sidebar-footer,
html.sidebar-collapsed .sidebar .sidebar-footer {
  padding: 1rem 0.5rem;
}

.sidebar.collapsed .sidebar-footer .user-name,
html.sidebar-collapsed .sidebar .sidebar-footer .user-name {
  display: none;
}

.sidebar.collapsed .sidebar-footer > div,
html.sidebar-collapsed .sidebar .sidebar-footer > div {
  justify-content: center;
}

@media (max-width: 1024px) {
  .grid-charts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
  }

  .sidebar.show {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .sidebar-toggle-btn {
    display: inline-flex;
  }

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