/* Professional Enhancements for BlueBook Platform */
/* This file contains professional styling improvements while preserving existing colors and layouts */

/* ===== ENHANCED TYPOGRAPHY ===== */
:root {
  /* Enhanced typography scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Enhanced spacing scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Enhanced border radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Enhanced shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Enhanced z-index scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ===== ENHANCED GLOBAL STYLES ===== */

/* Improved text rendering */
body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* Enhanced heading hierarchy */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

/* Enhanced paragraph styling for light theme */
p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  color: var(--text-color);
  font-weight: 400;
}

p:last-child {
  margin-bottom: 0;
}

/* Improved paragraph readability */
p.lead {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
}

p.small {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== ENHANCED CARD COMPONENTS ===== */

/* Professional card styling */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease-in-out;
  overflow: hidden;
}

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

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  background-color: transparent;
  font-weight: 600;
}

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

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card-secondary);
}

/* Enhanced subject cards */
.subject-item .card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.subject-item .card-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.subject-item .card-title {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: 1.3;
}

.subject-item .card-text {
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ===== ENHANCED FORM COMPONENTS ===== */

/* Professional form styling */
.form-control,
.form-select {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(var(--primary-rgb), 0.25);
  outline: 0;
}

.form-floating > label {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  opacity: 0.65;
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Enhanced form groups */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-color);
  font-size: var(--font-size-sm);
}

/* ===== ENHANCED BUTTON COMPONENTS ===== */

/* Professional button styling */
.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  cursor: pointer;
  color: #ffffff !important;
}
.btn-secondary{
  background-color: #6c757d;
  color: #2715c4 !important;
}
.btn-outline-primary{
  background-color: #a1a1a1;
  color: #2715c4 !important;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Enhanced button groups */
.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

/* RTL support for button groups */
[dir="rtl"] .btn-group .btn:first-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

[dir="rtl"] .btn-group .btn:last-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

/* ===== ENHANCED NAVIGATION ===== */

/* Professional navbar styling */
.navbar {
  padding: var(--spacing-md) 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar-brand {
  font-weight: 700;
  font-size: var(--font-size-xl);
}

.nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.15s ease-in-out;
}

.nav-link:hover {
  background-color: rgba(var(--primary-rgb), 0.1);
}

/* Enhanced dropdown menus */
.dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.dropdown-item {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.15s ease-in-out;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.dropdown-item:hover {
  background-color: var(--bg-card-secondary);
}

.dropdown-divider {
  margin: var(--spacing-sm) 0;
  border-top: 1px solid var(--border-color);
}

/* ===== ENHANCED TABLES ===== */

/* Professional table styling */
.table {
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table th {
  background-color: var(--bg-card-secondary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

.table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: var(--bg-card-secondary);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ===== ENHANCED PAGINATION ===== */

/* Professional pagination styling */
.pagination {
  gap: var(--spacing-xs);
}

.page-link {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-color);
  background-color: var(--bg-card);
  transition: all 0.15s ease-in-out;
}

.page-link:hover {
  background-color: var(--bg-card-secondary);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-light);
}

.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== ENHANCED ALERTS ===== */

/* Professional alert styling */
.alert {
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.alert-content {
  flex-grow: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* ===== ENHANCED BADGES ===== */

/* Professional badge styling */
.badge {
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.2rem;
}

/* Enhanced success badge */
.badge.bg-success {
  background-color: #198754 !important;
  color: #ffffff !important;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Ensure text is white and visible */
.badge.bg-success,
.badge.bg-success.text-light,
.badge.bg-success span,
span.badge.bg-success,
.badge.bg-success.text-light span {
  color: #ffffff !important;
  background-color: #198754 !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
  font-weight: 700 !important;
  -webkit-text-fill-color: #ffffff !important;
  opacity: 1 !important;
  filter: none !important;
}

/* Enhanced card titles with badges */
.card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  line-height: 1.4;
}

.card-title .badge {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* ===== ENHANCED MODALS ===== */

/* Professional modal styling */
.modal-content {
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card-secondary);
}

.modal-title {
  font-weight: 600;
  font-size: var(--font-size-xl);
}

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

.modal-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card-secondary);
  gap: var(--spacing-md);
}

/* ===== ENHANCED RESPONSIVE DESIGN ===== */

/* Professional responsive breakpoints */
@media (max-width: 575.98px) {
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  .card-body {
    padding: var(--spacing-md);
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}

@media (max-width: 767.98px) {
  .table-responsive {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }
  
  .modal-dialog {
    margin: var(--spacing-md);
  }
  
  .navbar {
    padding: var(--spacing-sm) 0;
  }
}

@media (max-width: 991.98px) {
  .card-columns {
    column-count: 2;
  }
}

@media (max-width: 1199.98px) {
  .container {
    max-width: 100%;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}

/* ===== ENHANCED RTL SUPPORT ===== */

/* Professional RTL styling */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .text-left {
  text-align: right !important;
}

[dir="rtl"] .text-right {
  text-align: left !important;
}

[dir="rtl"] .float-left {
  float: right !important;
}

[dir="rtl"] .float-right {
  float: left !important;
}

[dir="rtl"] .mr-auto {
  margin-right: 0 !important;
  margin-left: auto !important;
}

[dir="rtl"] .ml-auto {
  margin-left: 0 !important;
  margin-right: auto !important;
}

[dir="rtl"] .dropdown-menu {
  left: auto;
  right: 0;
}

[dir="rtl"] .nav-tabs .nav-link {
  border-top-left-radius: 0;
  border-top-right-radius: var(--radius-md);
}

[dir="rtl"] .nav-tabs .nav-link:first-child {
  border-top-right-radius: 0;
  border-top-left-radius: var(--radius-md);
}

/* ===== ENHANCED ACCESSIBILITY ===== */

/* Professional accessibility improvements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.focus-visible:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Enhanced keyboard navigation */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== ENHANCED ANIMATIONS ===== */

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

[dir="rtl"] .slide-in {
  animation: slideInRtl 0.3s ease-out;
}

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


.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

/* ===== ENHANCED UTILITIES ===== */

/* Professional utility classes */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.aspect-ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.aspect-ratio-1-1 {
  aspect-ratio: 1 / 1;
}

/* Enhanced spacing utilities */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Enhanced border radius utilities */
.rounded-xs { border-radius: var(--radius-xs); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Enhanced shadow utilities */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

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

@media print {
  .no-print {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .btn {
    border: 1px solid #ddd;
    box-shadow: none;
  }
  
  .table {
    box-shadow: none;
  }
  
  .page-break-before {
    page-break-before: always;
  }
  
  .page-break-after {
    page-break-after: always;
  }
  
  .page-break-inside-avoid {
    page-break-inside: avoid;
  }
}

/* ===== ENHANCED LOADING STATES ===== */

/* Professional loading animations */
.loading {
  position: relative;
  pointer-events: none;
}

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

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-secondary) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ===== ENHANCED FOCUS MANAGEMENT ===== */

/* Professional focus management */
.focus-trap {
  position: relative;
}

.focus-trap::before,
.focus-trap::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.focus-trap::before {
  top: 0;
  left: 0;
}

.focus-trap::after {
  bottom: 0;
  right: 0;
}

/* Enhanced focus indicators */
.focus-ring:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

/* ===== ENHANCED ERROR STATES ===== */

/* Professional error styling */
.is-invalid {
  border-color: #dc3545;
}

.is-invalid:focus {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: #dc3545;
}

.is-valid {
  border-color: #28a745;
}

.is-valid:focus {
  border-color: #28a745;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.valid-feedback {
  display: block;
  width: 100%;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: #28a745;
}

/* ===== ENHANCED PERFORMANCE ===== */

/* Performance optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Reduce motion for accessibility */
@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;
  }
}

/* ===== ENHANCED DARK MODE SUPPORT ===== */

/* Enhanced dark mode variables */
[data-mdb-theme="dark"] {
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ===== ENHANCED COMPONENT STATES ===== */

/* Professional component states */
.disabled,
.disabled:hover {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.readonly {
  background-color: var(--bg-card-secondary);
  cursor: default;
}

.required::after {
  content: ' *';
  color: #dc3545;
}

.optional::after {
  content: ' (optional)';
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ===== ENHANCED LAYOUT UTILITIES ===== */

/* Professional layout utilities */
.container-fluid {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.section-padding {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
}

.section-padding-sm {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

.content-wrapper {
  min-height: calc(100vh - 200px);
}

.sticky-top {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.fixed-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
}

/* ===== ENHANCED GRID SYSTEM ===== */

/* Professional grid enhancements */
.row {
  margin-left: calc(var(--spacing-md) * -0.5);
  margin-right: calc(var(--spacing-md) * -0.5);
}

.row > * {
  padding-left: calc(var(--spacing-md) * 0.5);
  padding-right: calc(var(--spacing-md) * 0.5);
}

.g-xs {
  --bs-gutter-x: var(--spacing-xs);
  --bs-gutter-y: var(--spacing-xs);
}

.g-sm {
  --bs-gutter-x: var(--spacing-sm);
  --bs-gutter-y: var(--spacing-sm);
}

.g-md {
  --bs-gutter-x: var(--spacing-md);
  --bs-gutter-y: var(--spacing-md);
}

.g-lg {
  --bs-gutter-x: var(--spacing-lg);
  --bs-gutter-y: var(--spacing-lg);
}

.g-xl {
  --bs-gutter-x: var(--spacing-xl);
  --bs-gutter-y: var(--spacing-xl);
}

/* ===== ENHANCED VISIBILITY UTILITIES ===== */

/* Professional visibility utilities */
.visible {
  visibility: visible;
}

.invisible {
  visibility: hidden;
}

.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ===== ENHANCED INTERACTION UTILITIES ===== */

/* Professional interaction utilities */
.pointer-events-none {
  pointer-events: none;
}

.pointer-events-auto {
  pointer-events: auto;
}

.user-select-none {
  user-select: none;
}

.user-select-auto {
  user-select: auto;
}

.user-select-all {
  user-select: all;
}

.cursor-pointer {
  cursor: pointer;
}

.cursor-default {
  cursor: default;
}

.cursor-not-allowed {
  cursor: not-allowed;
}

.cursor-wait {
  cursor: wait;
}

/* ===== ENHANCED OVERFLOW UTILITIES ===== */

/* Professional overflow utilities */
.overflow-auto {
  overflow: auto;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-visible {
  overflow: visible;
}

.overflow-scroll {
  overflow: scroll;
}

.overflow-x-auto {
  overflow-x: auto;
}

.overflow-x-hidden {
  overflow-x: hidden;
}

.overflow-y-auto {
  overflow-y: auto;
}

.overflow-y-hidden {
  overflow-y: hidden;
}

/* ===== ENHANCED POSITION UTILITIES ===== */

/* Professional position utilities */
.position-static {
  position: static;
}

.position-relative {
  position: relative;
}

.position-absolute {
  position: absolute;
}

.position-fixed {
  position: fixed;
}

.position-sticky {
  position: sticky;
}

.top-0 { top: 0; }
.top-50 { top: 50%; }
.top-100 { top: 100%; }

.bottom-0 { bottom: 0; }
.bottom-50 { bottom: 50%; }
.bottom-100 { bottom: 100%; }

.start-0 { inset-inline-start: 0; }
.start-50 { inset-inline-start: 50%; }
.start-100 { inset-inline-start: 100%; }

.end-0 { inset-inline-end: 0; }
.end-50 { inset-inline-end: 50%; }
.end-100 { inset-inline-end: 100%; }

.translate-middle {
  transform: translate(-50%, -50%);
}

.translate-middle-x {
  transform: translateX(-50%);
}

.translate-middle-y {
  transform: translateY(-50%);
}

[dir="rtl"] .translate-middle-x {
  transform: translateX(50%);
}

/* ===== END OF PROFESSIONAL ENHANCEMENTS ===== */