/* Layout Styles - App Structure */
.app-container {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-light);
}

/* Sidebar */
.sidebar {
  position: fixed;
  right: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--bg-main);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

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

.sidebar.hidden {
  transform: translateX(100%);
}

/* Sidebar Header */
.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--topbar-height);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-xl);
  color: var(--text-dark);
}

.sidebar-logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.sidebar-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-gray);
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background-color: var(--bg-hover);
  color: var(--text-dark);
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.nav-section {
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  color: var(--text-gray);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
  position: relative;
}

.nav-item:hover {
  background-color: var(--bg-hover);
  color: var(--text-dark);
}

.nav-item.active {
  background: var(--primary-gradient);
  color: var(--text-white);
  font-weight: var(--font-weight-semibold);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background-color: var(--text-white);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

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

.nav-item-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar.collapsed .nav-item-text,
.sidebar.collapsed .nav-section-title {
  display: none;
}

.nav-item-badge {
  background-color: var(--status-error);
  color: var(--text-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.nav-item.active .nav-item-badge {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-right: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  transition: margin-right var(--transition-base);
  min-height: 100vh;
}

.sidebar.collapsed ~ .main-content {
  margin-right: var(--sidebar-collapsed-width);
}

.sidebar.hidden ~ .main-content {
  margin-right: 0;
}

/* Topbar - Moved to topbar.css */
/* Basic topbar styles kept here for backward compatibility */
.topbar-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-dark);
}

/* Content Area */
.content-area {
  flex: 1;
  padding: var(--content-padding);
  overflow-y: auto;
}

/* Page Container */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-right: 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .content-area {
    padding: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  :root {
    --content-padding: var(--spacing-md);
  }
  
  .topbar {
    padding: 0 var(--spacing-md);
  }
  
  .topbar-title {
    font-size: var(--font-size-lg);
  }
}