/* Layout System - Grid and Structure */

.app-container {
  display: grid;
  grid-template-areas: 
    "sidebar main";
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  position: fixed;
  width: var(--sidebar-width);
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.sidebar-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin: 0;
}

/* Logo link styling */
.logo-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.logo-link:hover {
    text-decoration: none;
    color: inherit;
}
  
/* Navigation */
.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-secondary);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  font-weight: 500;
}

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

.nav-link.active {
  background-color: var(--primary-color);
  color: var(--text-inverse);
}

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

.nav-group-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

/* Main Content */
.main-content {
  grid-area: main;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
}

.content-header {
  background-color: var(--header-bg);
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--shadow-sm);
}

.content-body {
  padding: var(--spacing-lg) var(--spacing-xl);
  max-width: var(--content-max-width);
  width: 100%;
}

/* Page Header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.page-title {
  margin: 0;
  color: var(--header-text);
  font-weight: 600;
}

.page-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Floating Sidebar Edge Toggle */
.sidebar-edge-toggle {
  display: none;
  position: fixed;
  left: calc(var(--sidebar-width) - 12px);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 36px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--text-secondary);
  cursor: pointer;
  z-index: 1500;
  transition: all 0.3s ease;
  box-shadow: 2px 0 8px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 2px var(--spacing-xs) 10px;
}

.sidebar-edge-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  width: 28px;
}

/* Collapsed sidebar state for desktop */
.app-container.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.app-container.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.app-container:not(.sidebar-collapsed) .sidebar {
  transform: translateX(0);
  transition: transform 0.3s ease;
}

/* Adjust toggle position when collapsed */
.app-container.sidebar-collapsed .sidebar-edge-toggle {
  left: -12px;
}

.app-container.sidebar-collapsed .sidebar-edge-toggle i {
  transform: rotate(180deg);
}

/* Content Sections */
.content-section {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

/* Theme Selector */
.theme-selector {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.theme-select {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.theme-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Page Header Right Side */
.page-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Fixed Floating Actions - Always visible */
.floating-actions {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000; /* Above everything except modals (2500) and alerts (3000) */
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: transparent;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-lg);
  box-shadow: none;
  border: none;
}

/* Hide floating actions when modal is open */
.modal-overlay.active ~ .floating-actions,
body:has(.modal-overlay.active) .floating-actions {
  display: none;
}

/* Floating page actions */
.floating-page-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.floating-page-actions .btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius);
}

/* Hide original page actions to avoid duplication */
.page-actions {
  display: none;
}

/* User Avatar */
.user-avatar {
  position: relative;
}

.avatar-button {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: 50%;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.avatar-button:hover {
  background-color: var(--bg-hover);
  color: var(--primary-color);
  transform: scale(1.05);
}

.avatar-button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Avatar Dropdown */
.avatar-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: 2400; /* Below modals (2500) and alerts (3000), above floating actions */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

.avatar-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-xs) 0;
}

.dropdown-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.dropdown-item i {
  width: 16px;
  text-align: center;
}