/* ========================================
   MODERN RESPONSIVE DESIGN SYSTEM 2024
   ======================================== */

/* CSS Reset and Modern Base Styles */
* {
  box-sizing: border-box;
}

html {
  overflow-y: scroll; /* Forces vertical scrollbar to always exist, preventing width jumping */
}

body {
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
}

/* Modern CSS Variables */
:root {
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 70px;
  --mobile-breakpoint: 768px;
  --tablet-breakpoint: 1024px;
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --light-gray: #ecf0f1;
  --medium-gray: #95a5a6;
  --dark-gray: #34495e;
  --transition-speed: 0.3s;
  --border-radius: 8px;
  --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  --box-shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
}

/* Modern Sidebar Styles */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a252f 100%);
  z-index: 1050;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(10px);
}

/* Sidebar Scrollbar Styling */
.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.5);
}

/* Sidebar collapsed state - Desktop Only */
.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-link span {
  display: none;
}

.sidebar.collapsed .nav-link {
  text-align: center;
  padding: 0.75rem 0.5rem;
  justify-content: center;
}

.sidebar.collapsed .nav-link i {
  font-size: 1.2rem;
  margin: 0;
  width: auto;
}

.sidebar.collapsed .sidebar-header h4 {
  display: none;
}

.sidebar.collapsed .sidebar-header {
  text-align: center;
  padding: 1rem 0.5rem;
  justify-content: center;
}

.sidebar.collapsed .sidebar-header::after {
  content: "HRM";
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  display: block;
}

.sidebar.collapsed .nav-arrow {
  display: none;
}

.sidebar.collapsed .collapse {
  display: none;
}

/* Navigation Arrows */
.nav-arrow {
  transition: transform var(--transition-speed) ease;
  font-size: 0.8rem;
  opacity: 0.7;
}

.nav-link:hover .nav-arrow {
  opacity: 1;
}

/* Sidebar Animation */
.sidebar-animating {
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Sidebar Header Modern Styles */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: relative;
  min-height: 70px;
  background: rgba(0,0,0,0.1);
}

.sidebar-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.sidebar.collapsed .sidebar-title {
  opacity: 0;
  visibility: hidden;
  width: 0;
}

.sidebar-toggle-btn {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: none;
  padding: 0.5rem;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.sidebar-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.sidebar-toggle-btn:active {
  transform: scale(0.95);
}

/* Modern Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 100vh;
  padding: 80px 2rem 2rem; /* Top padding for fixed header */
  background-color: #ffffff;
  position: relative;
}

/* Main content states */
body.sidemenushow .main-content {
  margin-left: var(--sidebar-width);
}

body.sidemenuhide .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

/* Modern Navigation Links */
.sidebar .nav {
  padding: 0.75rem 0;
}

.sidebar .nav-item {
  margin: 0.125rem 0.5rem;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  border: 2px solid transparent;
}

.sidebar .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--secondary-color);
  border-radius: 0 2px 2px 0;
  transition: height var(--transition-speed) ease;
}

.sidebar .nav-link:hover {
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  border-color: rgba(255,255,255,0.2);
}

.sidebar .nav-link:hover::before {
  height: 70%;
}

.sidebar .nav-link.active {
  background: rgba(52, 152, 219, 0.2);
  color: #ffffff;
  border-color: var(--secondary-color);
  font-weight: 500;
}

.sidebar .nav-link.active::before {
  height: 70%;
  background: var(--secondary-color);
}

.sidebar .nav-link i {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar .nav-link span {
  margin-left: 0.75rem;
  transition: opacity var(--transition-speed) ease, width var(--transition-speed) ease;
  flex: 1;
}

.sidebar.collapsed .nav-link span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

/* Submenu styles */
.sidebar .collapse {
  background-color: rgba(0,0,0,0.2);
}

.sidebar .collapse .nav-link {
  padding-left: 2.5rem;
  font-size: 0.9rem;
}

.sidebar.collapsed .collapse {
  display: none;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  transition: margin-left var(--transition-speed) ease;
  min-height: 100vh;
  padding: 1rem;
}

.main-content.collapsed {
  margin-left: 0;
}

/* Override margin based on body state */
body.sidemenushow .main-content {
  margin-left: var(--sidebar-width);
}

body.sidemenuhide .main-content {
  margin-left: 70px;
}

/* Modern Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 49;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(5px);
}

.mobile-menu-overlay.show {
  display: block;
  opacity: 1;
  visibility: visible;
}

/* Modern Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1051;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a252f 100%);
  color: white;
  border: none;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1.1rem;
  min-width: 44px;
  min-height: 44px;
}

.mobile-menu-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--box-shadow-hover);
  background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

.mobile-menu-toggle:active {
  transform: scale(0.98);
}

/* ========================================
   MODERN RESPONSIVE BREAKPOINTS 2024
   ======================================== */

/* Large Desktop Styles */
/* Large Desktop Styles - Keep sidebar consistent */
@media (min-width: 1400px) {
  .main-content {
    padding: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    margin-left: var(--sidebar-width);
  }
  
  body.sidemenuhide .main-content {
    margin-left: var(--sidebar-collapsed-width);
  }
}

/* Desktop Styles */
@media (min-width: 1025px) and (max-width: 1399px) {
  .main-content {
    padding: 2rem;
  }
  
  /* Show desktop toggle button on desktop */
  .sidebar-toggle-btn {
    display: flex !important;
  }
  
  /* Hide mobile toggle button on desktop */
  .mobile-menu-toggle {
    display: none !important;
  }
  
  body.sidemenushow .main-content {
    margin-left: var(--sidebar-width);
  }
  
  body.sidemenuhide .main-content {
    margin-left: var(--sidebar-collapsed-width);
  }
}

/* Tablet Styles */
@media (min-width: 769px) and (max-width: 1024px) {
  .main-content {
    padding: 1.5rem;
  }
  
  .sidebar {
    width: 240px;
  }
  
  .sidebar .nav-link {
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
  }
  
  .sidebar-title {
    font-size: 1.1rem;
  }
  
  body.sidemenushow .main-content {
    margin-left: 240px;
  }
  
  body.sidemenuhide .main-content {
    margin-left: var(--sidebar-collapsed-width);
  }
  
  .sidebar-toggle-btn {
    display: flex !important;
  }
  
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 280px;
  }
  
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
    max-width: 85vw;
    z-index: 1050;
  }
  
  .sidebar.mobile-show {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0 !important;
    width: 100%;
    padding: 120px 1rem 1rem; /* Mobile top padding */
    min-height: 100vh;
  }
  
  /* Hide desktop toggle button on mobile */
  .sidebar-toggle-btn {
    display: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Mobile sidebar should NOT collapse - always show full menu */
  .sidebar.collapsed {
    width: var(--sidebar-width);
    transform: translateX(-100%);
  }
  
  .sidebar.collapsed.mobile-show {
    transform: translateX(0);
  }
  
  /* Mobile collapsed state overrides - show everything */
  .sidebar.collapsed .sidebar-title {
    opacity: 1;
    visibility: visible;
    width: auto;
  }
  
  .sidebar.collapsed .nav-link span {
    display: block;
    opacity: 1;
    width: auto;
  }
  
  .sidebar.collapsed .sidebar-header h4 {
    display: flex;
  }
  
  .sidebar.collapsed .sidebar-header::after {
    display: none;
  }
  
  .sidebar.collapsed .nav-link {
    text-align: left;
    padding: 0.5rem 1.25rem;
    justify-content: flex-start;
  }
  
  .sidebar.collapsed .nav-link i {
    margin-right: 0.75rem;
    width: 20px;
  }
  
  .sidebar.collapsed .nav-arrow {
    display: inline;
  }
  
  .sidebar.collapsed .collapse {
    display: block;
  }
  
  .sidebar.collapsed .sidebar-footer {
    display: block;
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .main-content {
    padding: 120px 0.75rem 0.75rem; /* Small mobile top padding */
  }
  
  .mobile-menu-toggle {
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.5rem;
    font-size: 1rem;
  }
  
  .sidebar {
    width: 90vw;
    max-width: 280px;
  }
  
  .sidebar-header {
    padding: 0.75rem;
  }
  
  .sidebar-title {
    font-size: 1.1rem;
  }
  
  .sidebar .nav-link {
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .sidebar .nav-link i {
    width: 18px;
    font-size: 0.9rem;
  }
  
  .sidebar .nav-link span {
    margin-left: 0.75rem;
  }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
  .main-content {
    padding: 120px 0.5rem 0.5rem; /* Extra small mobile top padding */
  }
  
  .mobile-menu-toggle {
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.5rem;
    font-size: 0.9rem;
  }
  
  .sidebar {
    width: 95vw;
  }
  
  .sidebar .nav-link {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
  }
  
  .sidebar-title {
    font-size: 1rem;
  }
}

/* Sidebar collapsed state - hide text */
.sidebar.collapsed .nav-link span {
  display: none;
}

.sidebar.collapsed .nav-link {
  text-align: center;
  padding: 0.75rem 0.5rem;
}

.sidebar.collapsed .nav-link i {
  font-size: 1.2rem;
  margin: 0;
}

.sidebar.collapsed .sidebar-header h4 {
  display: none;
}

.sidebar.collapsed .sidebar-header {
  text-align: center;
  padding: 1rem 0.5rem;
}

.sidebar.collapsed .sidebar-header::after {
  content: "HRM";
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .main-content {
    margin-left: 0 !important;
    padding-top: 100px !important; /* Proper spacing for fixed header */
    width: 100% !important;
  }
  
  .sidebar {
    transform: translateX(-100%);
    width: 280px; 
    max-width: 85vw;
    z-index: 2000; /* Above header */
    visibility: hidden; /* Prevent focusable elements being accessible when hidden */
  }
  
  .sidebar.mobile-show {
    transform: translateX(0);
    visibility: visible;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
  }
  
  /* Force hide mini-sidebar state on mobile */
  .sidebar.collapsed {
    width: 280px !important;
    transform: translateX(-100%) !important;
  }
  
  .sidebar.collapsed.mobile-show {
    transform: translateX(0) !important;
  }
  
  /* Override collapsed text hiding on mobile */
  .sidebar.collapsed .nav-link span {
    display: block !important;
  }
  
  .sidebar.collapsed .nav-link {
    text-align: left !important;
    padding: 0.5rem 1.25rem !important;
    justify-content: flex-start !important;
  }
  
  .sidebar.collapsed .nav-link i {
    font-size: 1rem !important;
    margin-right: 0.75rem !important;
    width: 20px !important;
  }
  
  .sidebar.collapsed .sidebar-header h4 {
    display: block !important;
  }
  
  .sidebar.collapsed .sidebar-header {
    text-align: left !important;
    padding: 1rem 1.25rem !important;
  }
  
  .sidebar.collapsed .sidebar-header::after {
    display: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 2001;
  } 
  
  .mobile-menu-overlay {
    display: block;
    z-index: 1999;
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .main-content {
    padding: 3.5rem 0.5rem 0.5rem;
  }
  
  .mobile-menu-toggle {
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.5rem;
  }
  
  .sidebar {
    width: 90vw;
    max-width: 280px;
  }
  
  .sidebar-header {
    padding: 0.75rem;
  }
  
  .sidebar-title {
    font-size: 1rem;
  }
  
  .sidebar .nav-link {
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .sidebar .nav-link i {
    width: 18px;
    font-size: 0.9rem;
  }
}

/* ========================================
   MODERN UTILITY CLASSES 2024
   ======================================== */

/* Responsive spacing */
.responsive-padding {
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .responsive-padding {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .responsive-padding {
    padding: 0.75rem;
  }
}

/* Responsive margins */
.responsive-margin {
  margin: 1.5rem;
}

@media (max-width: 768px) {
  .responsive-margin {
    margin: 1rem;
  }
}

@media (max-width: 480px) {
  .responsive-margin {
    margin: 0.75rem;
  }
}

/* Responsive text */
.responsive-text {
  font-size: 1rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .responsive-text {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .responsive-text {
    font-size: 0.9rem;
  }
}

/* Responsive headings */
.responsive-h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

@media (max-width: 768px) {
  .responsive-h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .responsive-h1 {
    font-size: 1.75rem;
  }
}

.responsive-h2 {
  font-size: 2rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .responsive-h2 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .responsive-h2 {
    font-size: 1.5rem;
  }
}

.responsive-h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .responsive-h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .responsive-h3 {
    font-size: 1.1rem;
  }
}

/* Hide/Show utilities */
.mobile-hidden {
  display: block;
}

@media (max-width: 768px) {
  .mobile-hidden {
    display: none;
  }
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }
}

.tablet-hidden {
  display: block;
}

@media (min-width: 769px) and (max-width: 1024px) {
  .tablet-hidden {
    display: none;
  }
}

.desktop-only {
  display: none;
}

@media (min-width: 1025px) {
  .desktop-only {
    display: block;
  }
}

/* Modern card utilities */
.responsive-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 1.5rem;
  transition: all var(--transition-speed) ease;
  border: 1px solid #e9ecef;
}

@media (max-width: 768px) {
  .responsive-card {
    padding: 1rem;
    margin: 0.5rem 0;
  }
}

.responsive-card:hover {
  box-shadow: var(--box-shadow-hover);
  transform: translateY(-2px);
}

/* Modern button utilities */
.responsive-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  font-size: 1rem;
}

@media (max-width: 768px) {
  .responsive-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .responsive-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    width: 100%;
  }
}

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

.responsive-btn:active {
  transform: translateY(0);
}

/* ========================================
   MODERN ACCESSIBILITY & INTERACTIONS 2024
   ======================================== */

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus styles for keyboard navigation */
.sidebar .nav-link:focus,
.sidebar-toggle-btn:focus,
.mobile-menu-toggle:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .sidebar {
    background: #000000;
    border: 2px solid #ffffff;
  }
  
  .sidebar .nav-link {
    border: 1px solid rgba(255,255,255,0.3);
  }
  
  .sidebar .nav-link:hover,
  .sidebar .nav-link.active {
    background: #ffffff;
    color: #000000;
  }
  
  .mobile-menu-toggle {
    background: #000000;
    border: 2px solid #ffffff;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --light-gray: #2c3e50;
    --medium-gray: #7f8c8d;
    --dark-gray: #ecf0f1;
  }
  
  body {
    background-color: #ffffff;
    color: #333333;
  }
  
  .main-content {
    background-color: #ffffff;
  }
  
  .responsive-card {
    background: #ffffff;
    color: #333333;
  }
}

/* Print styles */
@media print {
  .sidebar,
  .mobile-menu-toggle,
  .mobile-menu-overlay,
  .sidebar-toggle-btn {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0 !important;
    padding: 0 !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection color */
::selection {
  background: var(--secondary-color);
  color: white;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--medium-gray);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-gray);
}

/* Header positioning fix */
.page-header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: 60px;
  z-index: 999;
  transition: left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%) !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Header toggle button styling */
.page-header .sidebar-toggle-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  padding: 0.5rem;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
}

.page-header .sidebar-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.page-header .sidebar-toggle-btn:active {
  transform: scale(0.95);
}

/* Header positioning when sidebar is collapsed */
body.sidemenuhide .page-header {
  left: var(--sidebar-collapsed-width);
}

/* Header positioning on mobile */
@media (max-width: 768px) {
  .page-header {
    left: 0;
    padding: 0.75rem 1rem;
    height: auto;
  }
}

/* Main content top padding to account for fixed header */
.main-content {
  padding-top: 80px !important;
  transition: margin-left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 768px) {
  .main-content {
    padding-top: 100px !important;
    margin-left: 0 !important;
  }
}

/* Fallback for no-js or initial load */
.no-js-sidebar .sidebar { transform: translateX(-100%); }
.sidemenuhide .sidebar { transform: translateX(0); width: 70px !important; }
.sidemenushow .sidebar { transform: translateX(0); width: var(--sidebar-width); }