/*!
 * Dashboard Styles for AlphaSpace
 *
 * EDUCATIONAL: CSS Architecture and Organization
 *
 * This stylesheet demonstrates modern CSS architecture principles:
 * 1. **Component-Based Structure**: Each UI component has its own section
 * 2. **CSS Custom Properties**: For consistent theming and easy maintenance
 * 3. **BEM Methodology**: Block, Element, Modifier naming convention
 * 4. **Progressive Enhancement**: Base styles work without JavaScript
 * 5. **Responsive Design**: Mobile-first approach with fluid layouts
 * 6. **Accessibility**: High contrast ratios and keyboard navigation support
 *
 * File Organization:
 * - CSS Custom Properties (CSS Variables)
 * - Base Styles and Typography
 * - Layout Components (Header, Sidebar, Main)
 * - UI Components (Cards, Buttons, Forms)
 * - Module-Specific Styles
 * - Responsive Design Rules
 * - Print Styles
 */

/*
===========================================
🎨 CSS CUSTOM PROPERTIES (CSS VARIABLES)
===========================================

EDUCATIONAL: Why CSS Custom Properties?
- Consistent design system
- Easy theme switching
- Better maintainability
- Dynamic updates via JavaScript
- Inheritance and cascading
- Browser performance benefits
*/

:root {
  /* Brand Colors - AlphaSpace Theme */
  --as-primary: #2563eb;
  --as-primary-hover: #1d4ed8;
  --as-primary-light: #dbeafe;
  --as-secondary: #6b7280;
  --as-success: #10b981;
  --as-danger: #ef4444;
  --as-warning: #f59e0b;
  --as-info: #0ea5e9;

  /* Academy Module Colors */
  --as-academy-primary: #f97316;
  --as-academy-light: #fed7aa;
  --as-academy-dark: #c2410c;

  /* Safety Module Colors */
  --as-safety-primary: #1e40af;
  --as-safety-light: #dbeafe;
  --as-safety-dark: #1e3a8a;

  /* AdminIT Module Colors */
  --as-adminit-primary: #6b7280;
  --as-adminit-light: #f3f4f6;
  --as-adminit-dark: #374151;

  /* Neutral Colors */
  --as-gray-50: #f9fafb;
  --as-gray-100: #f3f4f6;
  --as-gray-200: #e5e7eb;
  --as-gray-300: #d1d5db;
  --as-gray-400: #9ca3af;
  --as-gray-500: #6b7280;
  --as-gray-600: #4b5563;
  --as-gray-700: #374151;
  --as-gray-800: #1f2937;
  --as-gray-900: #111827;

  /* Typography */
  --as-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --as-font-size-xs: 0.75rem;
  --as-font-size-sm: 0.875rem;
  --as-font-size-base: 1rem;
  --as-font-size-lg: 1.125rem;
  --as-font-size-xl: 1.25rem;
  --as-font-size-2xl: 1.5rem;
  --as-font-size-3xl: 1.875rem;

  /* Spacing */
  --as-spacing-xs: 0.25rem;
  --as-spacing-sm: 0.5rem;
  --as-spacing-md: 1rem;
  --as-spacing-lg: 1.5rem;
  --as-spacing-xl: 2rem;
  --as-spacing-2xl: 3rem;

  /* Shadows */
  --as-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --as-shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --as-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --as-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --as-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Border Radius */
  --as-radius-sm: 0.25rem;
  --as-radius-base: 0.375rem;
  --as-radius-md: 0.5rem;
  --as-radius-lg: 0.75rem;
  --as-radius-xl: 1rem;
  --as-radius-full: 9999px;

  /* Transitions */
  --as-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --as-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --as-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout Dimensions */
  --as-header-height: 60px;
  --as-sidebar-width: 280px;
  --as-sidebar-collapsed-width: 60px;
}

/*
===========================================
🏗️ BASE STYLES AND TYPOGRAPHY
===========================================

EDUCATIONAL: Foundation Styles
These styles create a solid foundation for the entire application:
- Consistent typography across the system
- Proper spacing and rhythm
- Accessibility considerations
- Performance optimizations
*/

* {
  box-sizing: border-box;
}

html {
  font-size: 16px; /* Base font size for rem calculations */
  line-height: 1.6;
}

body {
  font-family: var(--as-font-family);
  font-size: var(--as-font-size-base);
  color: var(--as-gray-700);
  background-color: var(--as-gray-50);
  line-height: 1.6;
}

/* EDUCATIONAL: Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--as-primary);
  outline-offset: 2px;
}

/* Hide focus outline for mouse users, keep for keyboard users */
.js-focus-visible *:focus:not(.focus-visible) {
  outline: none;
}

/* Typography Improvements */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.4;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-md);
}

h1 { font-size: var(--as-font-size-3xl); }
h2 { font-size: var(--as-font-size-2xl); }
h3 { font-size: var(--as-font-size-xl); }
h4 { font-size: var(--as-font-size-lg); }
h5 { font-size: var(--as-font-size-base); }
h6 { font-size: var(--as-font-size-sm); }

p {
  margin-bottom: var(--as-spacing-md);
}

/*
===========================================
🏠 HEADER COMPONENT STYLES
===========================================

EDUCATIONAL: Header Component Architecture
The header demonstrates several key patterns:
- Fixed positioning for always-visible navigation
- Flexible layout using CSS Grid/Flexbox
- Responsive design with progressive disclosure
- Component-based styling approach
*/

.header {
  background: #fff;
  box-shadow: var(--as-shadow-sm);
  border-bottom: 1px solid var(--as-gray-200);
  padding: 0 var(--as-spacing-lg);
  height: var(--as-header-height);
  z-index: 1000;
  transition: all var(--as-transition-base);
}

.logo {
  color: var(--as-primary) !important;
  text-decoration: none;
  font-weight: 700;
  transition: opacity var(--as-transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.toggle-sidebar-btn {
  cursor: pointer;
  transition: color var(--as-transition-fast);
}

.toggle-sidebar-btn:hover {
  color: var(--as-primary);
}

/*
===========================================
🔄 MODULE SWITCHER COMPONENT
===========================================

EDUCATIONAL: Component State Management
The module switcher demonstrates:
- State-based styling (active/inactive)
- Smooth transitions between states
- Accessible button groups
- Progressive enhancement
*/

.module-switcher {
  margin: 0 var(--as-spacing-lg);
}

.btn-module {
  border: 1px solid var(--as-gray-300);
  background: #fff;
  color: var(--as-gray-600);
  padding: var(--as-spacing-sm) var(--as-spacing-md);
  transition: all var(--as-transition-fast);
  font-weight: 500;
  font-size: var(--as-font-size-sm);
}

.btn-module:hover {
  background: var(--as-gray-50);
  border-color: var(--as-gray-400);
  color: var(--as-gray-700);
}

.btn-module.active {
  background: var(--as-primary);
  border-color: var(--as-primary);
  color: #fff;
}

.btn-safety.active {
  background: var(--as-safety-primary);
  border-color: var(--as-safety-primary);
}

.btn-academy.active {
  background: var(--as-academy-primary);
  border-color: var(--as-academy-primary);
}

.btn-adminit.active {
  background: var(--as-adminit-primary);
  border-color: var(--as-adminit-primary);
}

/*
===========================================
👤 USER PROFILE DROPDOWN
===========================================

EDUCATIONAL: Dropdown Component Design
- Smooth animations for better UX
- Proper z-index management
- Accessible design patterns
- Visual hierarchy
*/

.nav-profile {
  color: var(--as-gray-600) !important;
  transition: color var(--as-transition-fast);
}

.nav-profile:hover {
  color: var(--as-primary) !important;
}

.dropdown-menu-arrow::before {
  content: "";
  position: absolute;
  top: -6px;
  right: 20px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #fff;
}

.profile .dropdown-header {
  padding: var(--as-spacing-md);
  background: var(--as-gray-50);
  border-bottom: 1px solid var(--as-gray-200);
}

/*
===========================================
🧭 SIDEBAR COMPONENT STYLES
===========================================

EDUCATIONAL: Navigation Component Architecture
The sidebar demonstrates:
- Collapsible navigation pattern
- Hierarchical information architecture
- State management (active/inactive items)
- Responsive behavior
*/

.sidebar {
  position: fixed;
  top: var(--as-header-height);
  left: 0;
  bottom: 0;
  width: var(--as-sidebar-width);
  z-index: 996;
  background: #fff;
  box-shadow: var(--as-shadow-sm);
  border-right: 1px solid var(--as-gray-200);
  overflow-y: auto;
  transition: all var(--as-transition-base);
}

/* EDUCATIONAL: Collapsible Sidebar States */
.sidebar.collapsed {
  width: 60px;
}

.sidebar.collapsed .nav-link span {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--as-transition-fast), visibility var(--as-transition-fast);
}

.sidebar.collapsed .nav-link {
  justify-content: center;
  padding: var(--as-spacing-sm);
}

.sidebar.collapsed .nav-link i {
  margin-right: 0;
}

/* Main content adjustment for collapsed sidebar */
.main.sidebar-collapsed {
  margin-left: 60px;
}

/* EDUCATIONAL: Scrollbar Customization for Better UX */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: var(--as-gray-100);
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--as-gray-300);
  border-radius: var(--as-radius-full);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--as-gray-400);
}

.sidebar-nav {
  padding: var(--as-spacing-lg);
  list-style: none;
  margin: 0;
}

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

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  padding: var(--as-spacing-md);
  color: var(--as-gray-600);
  text-decoration: none;
  border-radius: var(--as-radius-base);
  transition: all var(--as-transition-fast);
  font-weight: 500;
}

.sidebar-nav .nav-link i {
  margin-right: var(--as-spacing-md);
  font-size: var(--as-font-size-lg);
  width: 20px;
  text-align: center;
}

.sidebar-nav .nav-link:hover {
  background: var(--as-gray-100);
  color: var(--as-primary);
}

.sidebar-nav .nav-link.active {
  background: var(--as-primary-light);
  color: var(--as-primary);
}

/*
===========================================
📱 MAIN CONTENT AREA
===========================================

EDUCATIONAL: Layout Container Pattern
The main content area uses:
- Proper spacing and margins
- Responsive grid system
- Content hierarchy
- Progressive enhancement
*/

.main {
  margin-left: var(--as-sidebar-width);
  margin-top: var(--as-header-height);
  padding: var(--as-spacing-xl);
  min-height: calc(100vh - var(--as-header-height));
  transition: margin-left var(--as-transition-base);
}

.pagetitle {
  margin-bottom: var(--as-spacing-xl);
}

.pagetitle h1 {
  font-size: var(--as-font-size-2xl);
  font-weight: 600;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-sm);
}

.breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: var(--as-font-size-sm);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--as-gray-400);
}

.breadcrumb-item a {
  color: var(--as-gray-500);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--as-primary);
}

/*
===========================================
🎴 CARD COMPONENTS
===========================================

EDUCATIONAL: Card Component System
Cards are fundamental UI building blocks that:
- Create visual groupings
- Provide consistent spacing
- Support various content types
- Scale across different screen sizes
*/

.card {
  background: #fff;
  border: 1px solid var(--as-gray-200);
  border-radius: var(--as-radius-lg);
  box-shadow: var(--as-shadow-sm);
  transition: all var(--as-transition-fast);
  margin-bottom: var(--as-spacing-lg);
}

.card:hover {
  box-shadow: var(--as-shadow-md);
}

.card-body {
  padding: var(--as-spacing-xl);
}

.card-title {
  font-size: var(--as-font-size-lg);
  font-weight: 600;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-md);
}

/*
===========================================
👋 WELCOME CARD COMPONENT
===========================================

EDUCATIONAL: Specialized Card Variant
The welcome card demonstrates:
- Component inheritance (extends base card)
- Specialized styling for specific use case
- Responsive design considerations
*/

.welcome-card {
  background: linear-gradient(135deg, #fff 0%, var(--as-gray-50) 100%);
  border: 1px solid var(--as-gray-200);
}

.welcome-card .card-body {
  padding: var(--as-spacing-2xl);
}

.welcome-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--as-primary-light);
  border-radius: var(--as-radius-full);
}

.welcome-title {
  font-size: var(--as-font-size-2xl);
  font-weight: 700;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-sm);
}

.welcome-subtitle {
  font-size: var(--as-font-size-base);
  color: var(--as-gray-600);
}

/*
===========================================
📊 STATISTICS CARDS
===========================================

EDUCATIONAL: Data Visualization Components
Statistics cards demonstrate:
- Information hierarchy
- Visual data representation
- Color coding for categorization
- Responsive typography
*/

.stats-card {
  transition: transform var(--as-transition-fast);
}

.stats-card:hover {
  transform: translateY(-2px);
}

.stats-card .card-body,
.info-card .card-body {
  padding: var(--as-spacing-lg);
  min-height: 110px; /* misura standard per allineare le card */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stats-card .card-body {
  padding: var(--as-spacing-lg);
}

.stats-card .card-title {
  font-size: var(--as-font-size-sm);
  font-weight: 600;
  color: var(--as-gray-600);
  margin-bottom: var(--as-spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-icon {
  width: 44px; /* misura standard */
  height: 44px; /* misura standard */
  background: var(--as-primary-light);
  color: var(--as-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--as-radius-full);
  font-size: 20px; /* misura standard */
  margin-right: var(--as-spacing-md);
}

.stat-icon {
  margin-right: var(--as-spacing-md);
  font-size: var(--as-font-size-xl);
}

.stat-info h4 {
  font-size: var(--as-font-size-2xl);
  font-weight: 700;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-xs);
}

/* Equal height cards in stats rows */
.module-stats [class^="col-"],
.module-stats [class*=" col-"] {
  display: flex;
}
.module-stats .card {
  width: 100%;
}

/*
===========================================
🏗️ MODULE SECTION COMPONENTS
===========================================

EDUCATIONAL: Modular Component Architecture
Module sections demonstrate:
- Component composition
- Theme variations
- Hierarchical content organization
- Progressive disclosure
*/

.module-section {
  background: linear-gradient(135deg, #fff 0%, var(--as-gray-50) 100%);
  border: 2px solid var(--as-gray-200);
  border-radius: var(--as-radius-xl);
  padding: var(--as-spacing-2xl);
  margin-bottom: var(--as-spacing-2xl);
  transition: all var(--as-transition-base);
}

.module-section:hover {
  box-shadow: var(--as-shadow-lg);
}

.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--as-spacing-2xl);
  padding-bottom: var(--as-spacing-lg);
  border-bottom: 2px solid var(--as-gray-200);
}

.module-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--as-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--as-font-size-2xl);
  margin-right: var(--as-spacing-lg);
  color: #fff;
}

.academy-icon {
  background: var(--as-academy-primary);
}

.safety-icon {
  background: var(--as-safety-primary);
}

.academy-section {
  border-color: var(--as-academy-primary);
}

.safety-section {
  border-color: var(--as-safety-primary);
}

.module-title {
  font-size: var(--as-font-size-xl);
  font-weight: 700;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-sm);
}

.module-description {
  font-size: var(--as-font-size-base);
  color: var(--as-gray-600);
  margin-bottom: 0;
}

/* Module-specific card styling */
.academy-card {
  border-left: 4px solid var(--as-academy-primary);
}

.safety-card {
  border-left: 4px solid var(--as-safety-primary);
}

.academy-card .card-icon {
  background: var(--as-academy-light);
  color: var(--as-academy-primary);
}

.safety-card .card-icon {
  background: var(--as-safety-light);
  color: var(--as-safety-primary);
}

/*
===========================================
⚡ QUICK ACTION COMPONENTS
===========================================

EDUCATIONAL: Interactive Component Design
Quick action cards demonstrate:
- Hover states and micro-interactions
- Accessible button design
- Visual feedback patterns
- Consistent interaction model
*/

.quick-actions-title {
  font-size: var(--as-font-size-lg);
  font-weight: 600;
  color: var(--as-gray-700);
  margin-bottom: var(--as-spacing-lg);
  border-bottom: 1px solid var(--as-gray-200);
  padding-bottom: var(--as-spacing-sm);
}

.quick-action-card {
  background: #fff;
  border: 2px solid var(--as-gray-200);
  border-radius: var(--as-radius-lg);
  padding: var(--as-spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--as-transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.quick-action-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--as-shadow-lg);
  border-color: var(--as-primary);
}

.quick-action-card .action-icon {
  margin-bottom: var(--as-spacing-md);
  transition: transform var(--as-transition-fast);
}

.quick-action-card:hover .action-icon {
  transform: scale(1.1);
}

.action-title {
  font-size: var(--as-font-size-base);
  font-weight: 600;
  color: var(--as-gray-800);
  margin-bottom: var(--as-spacing-sm);
}

.action-description {
  font-size: var(--as-font-size-sm);
  color: var(--as-gray-600);
  margin-bottom: 0;
  line-height: 1.4;
}

/*
===========================================
🏷️ ROLE BADGE COMPONENTS
===========================================

EDUCATIONAL: Status Indicator Design
Role badges demonstrate:
- Visual categorization
- Consistent color coding
- Accessible contrast ratios
- Flexible sizing
*/

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--as-spacing-xs) var(--as-spacing-sm);
  border-radius: var(--as-radius-full);
  font-size: var(--as-font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: var(--as-spacing-xs);
  margin-bottom: var(--as-spacing-xs);
}

.role-badge i {
  margin-right: var(--as-spacing-xs);
}

.role-badge.role-academy {
  background-color: var(--as-academy-light);
  color: var(--as-academy-dark);
}

.role-badge.role-safety {
  background-color: var(--as-safety-light);
  color: var(--as-safety-dark);
}

.role-badge.role-admin {
  background-color: #dcfce7;
  color: #166534;
}

.role-badge.role-super-admin {
  background-color: #fef3c7;
  color: #92400e;
}

/*
===========================================
🔘 BUTTON COMPONENTS
===========================================

EDUCATIONAL: Button System Design
Button variations demonstrate:
- Consistent interaction patterns
- Visual hierarchy
- State management
- Accessibility compliance
*/

.btn-action {
  padding: var(--as-spacing-md) var(--as-spacing-lg);
  font-weight: 500;
  border-radius: var(--as-radius-base);
  transition: all var(--as-transition-fast);
  border-width: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-action:hover {
  transform: translateY(-1px);
  box-shadow: var(--as-shadow-md);
}

.btn-action:focus {
  box-shadow: 0 0 0 3px var(--as-primary-light);
}

.btn-action i {
  margin-right: var(--as-spacing-sm);
}

/*
===========================================
🦶 FOOTER COMPONENT
===========================================

EDUCATIONAL: Footer Layout Pattern
The footer demonstrates:
- Flexible layout for different content
- Responsive design considerations
- Secondary navigation patterns
- Proper content hierarchy
*/

.footer {
  background: #fff;
  border-top: 1px solid var(--as-gray-200);
  padding: var(--as-spacing-lg) 0;
  margin-top: var(--as-spacing-2xl);
  color: var(--as-gray-600);
  font-size: var(--as-font-size-sm);
}

.footer .container-fluid {
  padding: 0 var(--as-spacing-xl);
}

.footer-links a {
  text-decoration: none;
  transition: color var(--as-transition-fast);
}

.footer-links a:hover {
  color: var(--as-primary);
}

/*
===========================================
🔼 BACK TO TOP BUTTON
===========================================

EDUCATIONAL: Floating Action Button Pattern
- Fixed positioning for accessibility
- Smooth scroll behavior
- Progressive enhancement
- Visual consistency
*/

.back-to-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: var(--as-spacing-lg);
  bottom: var(--as-spacing-lg);
  z-index: 996;
  background: var(--as-primary);
  width: 48px;
  height: 48px;
  border-radius: var(--as-radius-full);
  transition: all var(--as-transition-base);
  color: #fff;
  text-decoration: none;
  box-shadow: var(--as-shadow-lg);
}

.back-to-top.active {
  visibility: visible;
  opacity: 1;
}

.back-to-top:hover {
  background: var(--as-primary-hover);
  transform: translateY(-2px);
}

.back-to-top i {
  font-size: var(--as-font-size-lg);
}

/*
===========================================
💻 RESPONSIVE DESIGN
===========================================

EDUCATIONAL: Mobile-First Responsive Strategy
- Progressive enhancement from mobile up
- Flexible grid systems
- Adaptive typography
- Touch-friendly interface elements
*/

/* Large tablets and small desktops */
@media (max-width: 1199.98px) {
  .main {
    padding: var(--as-spacing-lg);
  }

  .module-section {
    padding: var(--as-spacing-xl);
  }

  .welcome-card .card-body {
    padding: var(--as-spacing-xl);
  }
}

/* Tablets */
@media (max-width: 991.98px) {
  .module-header {
    flex-direction: column;
    text-align: center;
    gap: var(--as-spacing-md);
  }

  .module-icon {
    margin-right: 0;
    margin-bottom: var(--as-spacing-md);
  }

  .welcome-card .card-body {
    text-align: center;
  }

  .welcome-card .d-flex {
    flex-direction: column;
    gap: var(--as-spacing-lg);
  }

  /* Su tablet portiamo 2 colonne per le stats */
  .module-stats .col-xl-3.col-md-6 { /* 4 su desktop, 2 su tablet */
    width: 50%;
  }
}

/* Mobile devices */
@media (max-width: 767.98px) {
  .main {
    margin-left: 0;
    padding: var(--as-spacing-md);
  }

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

  .sidebar.show {
    transform: translateX(0);
  }

  .header {
    padding: 0 var(--as-spacing-md);
  }

  .module-switcher {
    margin: 0 var(--as-spacing-md);
  }

  .btn-module span {
    display: none;
  }

  .quick-action-card {
    padding: var(--as-spacing-lg);
  }

  .module-section {
    padding: var(--as-spacing-lg);
    margin-bottom: var(--as-spacing-lg);
  }

  /* Su mobile 1 colonna piena per massima leggibilità */
  .module-stats .col-xl-3.col-md-6 {
    width: 100%;
  }

  .welcome-title {
    font-size: var(--as-font-size-xl);
  }

  .back-to-top {
    right: var(--as-spacing-md);
    bottom: var(--as-spacing-md);
    width: 44px;
    height: 44px;
  }
}

/* Small mobile devices */
@media (max-width: 575.98px) {
  .pagetitle h1 {
    font-size: var(--as-font-size-xl);
  }

  .module-title {
    font-size: var(--as-font-size-lg);
  }

  .stat-info h4 {
    font-size: var(--as-font-size-xl);
  }

  .card-body {
    padding: var(--as-spacing-lg);
  }
}

/*
===========================================
🖨️ PRINT STYLES
===========================================

EDUCATIONAL: Print Optimization
Print styles ensure:
- Proper content layout for printing
- Cost-effective ink usage
- Essential information visibility
- Professional document appearance
*/

@media print {
  .header,
  .sidebar,
  .footer,
  .back-to-top,
  .module-switcher,
  .btn,
  button {
    display: none !important;
  }

  .main {
    margin-left: 0;
    margin-top: 0;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }

  .module-section {
    border: 2px solid #000;
    break-inside: avoid;
  }

  * {
    color: #000 !important;
    background: #fff !important;
  }
}

/*
===========================================
🎭 UTILITY CLASSES
===========================================

EDUCATIONAL: Utility-First Approach
Utility classes provide:
- Rapid prototyping capabilities
- Consistent spacing and sizing
- Reusable design patterns
- Reduced CSS specificity conflicts
*/

/* Cursor utilities */
.cursor-pointer {
  cursor: pointer;
}

/* Display utilities for role-based visibility */
.d-role-admin {
  display: none;
}

.d-role-academy {
  display: none;
}

.d-role-safety {
  display: none;
}

/* Animation utilities */
.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Loading state utilities */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/*
===========================================
🎯 DEVELOPMENT HELPERS
===========================================

EDUCATIONAL: Development and Debugging Utilities
These classes help during development:
- Visual debugging tools
- Layout helpers
- Component state visualization
*/

/* Debug utilities (remove in production) */
.debug * {
  outline: 1px solid red;
}

.debug-grid {
  background-image:
    linear-gradient(rgba(255, 0, 0, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 0, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Component state indicators for development */
.dev-loading {
  background: yellow !important;
}

.dev-error {
  background: red !important;
  color: white !important;
}

.dev-success {
  background: green !important;
  color: white !important;
}