/* ==========================================================================
   HelporaDesk Enterprise Polish Layer
   Enhances existing UI without changing layout or structure.
   ========================================================================== */

/* --- Accessibility & Focus --- */
:focus-visible {
  outline: 2px solid var(--sc-primary);
  outline-offset: 2px;
}

.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.nav-item:focus-visible,
.theme-toggle-btn:focus-visible {
  box-shadow: 0 0 0 3px var(--sc-primary-glass);
}

@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;
  }
}

/* --- Page content area --- */
.main > .container,
.main > .container-fluid,
.main > main,
.main > .content,
.page-content {
  animation: sc-fade-in 0.3s ease-out;
}

@keyframes sc-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.main .container,
.main .container-fluid,
.main .content > .container,
.main .content > .container-fluid {
  padding-top: 0;
  padding-bottom: 0;
}

@media (min-width: 1920px) {
  .main .container,
  .main .container-fluid {
    max-width: 1800px;
  }
}
.sidebar {
  width: 268px;
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.04);
}

[data-theme='dark'] .sidebar {
  box-shadow: 4px 0 32px rgba(0, 0, 0, 0.25);
  background: linear-gradient(180deg, var(--sc-surface) 0%, hsl(222, 47%, 11%) 100%);
}

.app-shell {
  grid-template-columns: 268px 1fr;
  transition: grid-template-columns 0.25s ease;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 72px 1fr !important;
}

.app-shell.sidebar-collapsed .sidebar {
  width: 72px;
  min-width: 72px;
}

.sidebar__brand {
  padding: var(--sc-space-5) var(--sc-space-5);
}

.sidebar__nav {
  padding: var(--sc-space-4) var(--sc-space-3);
  scrollbar-width: thin;
  scrollbar-color: var(--sc-border) transparent;
}

.sidebar__nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar__nav::-webkit-scrollbar-thumb {
  background: var(--sc-border);
  border-radius: 4px;
}

.nav-item {
  padding: 11px 14px;
  font-size: var(--sc-text-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  margin-bottom: 3px;
  position: relative;
}

.nav-item i {
  opacity: 0.85;
  transition: var(--transition-fast);
}

.nav-item:hover {
  transform: translateX(2px);
}

.nav-item.active {
  font-weight: 600;
  box-shadow: var(--shadow-glow), var(--shadow-sm);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 0 3px 3px 0;
}

.nav-sub-item {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: var(--sc-text-xs);
}

.nav-section__label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  padding: var(--sc-space-4) 14px var(--sc-space-2);
}

/* --- Topbar polish --- */
.topbar {
  height: 68px;
  padding: 0 var(--sc-space-6);
  background: var(--sc-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sc-border-light);
}

.topbar__search .input-group {
  background: var(--sc-surface-elevated);
  border: 1px solid var(--sc-border);
  border-radius: var(--radius-lg);
  padding: 2px 4px;
  transition: var(--transition-fast);
}

.topbar__search .input-group:focus-within {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px var(--sc-primary-glass);
}

.topbar__search .form-control {
  font-size: var(--sc-text-sm);
  padding: 8px 12px;
}

.topbar__search .input-group-text {
  color: var(--sc-text-muted);
  padding-left: 12px;
}

.topbar__actions .btn-light,
.topbar__actions .btn-outline-primary {
  border-radius: var(--radius-md);
  font-size: var(--sc-text-sm);
  padding: 8px 14px;
  border: 1px solid var(--sc-border);
  background: var(--sc-surface-elevated);
  transition: var(--transition-fast);
}

.topbar__actions .btn-light:hover,
.topbar__actions .btn-outline-primary:hover {
  border-color: var(--sc-primary);
  background: var(--sc-primary-glass);
}

.dropdown-menu {
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--sc-border) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: var(--sc-space-2) !important;
  animation: sc-dropdown-in 0.2s ease-out;
}

@keyframes sc-dropdown-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: 10px 14px !important;
  font-size: var(--sc-text-sm);
  transition: var(--transition-fast);
}

.dropdown-item.active,
.dropdown-item:active {
  background: var(--sc-primary) !important;
}

#notificationList {
  border-radius: var(--radius-lg) !important;
}

#notificationList .dropdown-item {
  border-bottom: 1px solid var(--sc-border-light);
}

#notificationCount {
  font-size: 0.65rem;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  padding: 0 5px;
}

.profile {
  padding: 4px 14px 4px 4px;
  border-radius: var(--radius-xl);
  transition: var(--transition-fast);
}

.profile:hover {
  transform: translateY(-1px);
}

.avatar {
  font-size: var(--sc-text-sm);
  border: 2px solid var(--sc-surface) !important;
}

.profile__name {
  font-size: var(--sc-text-sm);
  line-height: var(--sc-leading-tight);
}

.profile__role {
  font-size: var(--sc-text-xs);
  color: var(--sc-text-muted);
  font-weight: 500;
}

.theme-toggle-btn {
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  transform: rotate(15deg) scale(1.05);
}

/* --- Cards & panels --- */
.card {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.card-header {
  padding: var(--sc-space-5) var(--sc-space-6);
  font-size: var(--sc-text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-body {
  padding: var(--sc-space-6);
}

.card-footer {
  padding: var(--sc-space-4) var(--sc-space-6);
  background: transparent;
  border-top: 1px solid var(--sc-border-light);
}

/* KPI / stat cards on dashboards */
.card .display-6,
.card h1.display-6 {
  letter-spacing: -0.03em;
}

.row > [class*='col'] > .card {
  height: 100%;
}

/* Dashboard metric cards */
.bg-primary.bg-opacity-10,
.bg-success.bg-opacity-10,
.bg-warning.bg-opacity-10,
.bg-danger.bg-opacity-10,
.bg-info.bg-opacity-10 {
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.bg-primary.bg-opacity-10:hover,
.bg-success.bg-opacity-10:hover,
.bg-warning.bg-opacity-10:hover,
.bg-danger.bg-opacity-10:hover,
.bg-info.bg-opacity-10:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* --- Buttons --- */
.btn {
  font-size: var(--sc-text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.btn-sm {
  font-size: var(--sc-text-xs);
  padding: 6px 12px;
}

.btn-lg {
  font-size: var(--sc-text-base);
  padding: 12px 24px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-outline-secondary {
  border-color: var(--sc-border);
  color: var(--sc-text-muted);
}

.btn-outline-secondary:hover {
  background: var(--sc-surface-elevated);
  border-color: var(--sc-primary);
  color: var(--sc-primary);
}

/* --- Forms --- */
.form-label {
  font-size: var(--sc-text-sm);
  font-weight: 600;
  color: var(--sc-text);
  margin-bottom: var(--sc-space-2);
  letter-spacing: 0.01em;
}

.form-control,
.form-select {
  font-size: var(--sc-text-sm);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--sc-border);
  background-color: var(--sc-surface-elevated);
  color: var(--sc-text);
  transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px var(--sc-primary-glass);
}

.form-control.is-invalid {
  border-color: var(--sc-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px hsla(0, 84%, 60%, 0.15);
}

.text-danger,
.field-validation-error {
  font-size: var(--sc-text-xs);
  margin-top: var(--sc-space-1);
}

.form-text {
  font-size: var(--sc-text-xs);
  color: var(--sc-text-muted);
}

.input-group-text {
  background: var(--sc-surface-elevated);
  border-color: var(--sc-border);
  color: var(--sc-text-muted);
  font-size: var(--sc-text-sm);
}

textarea.form-control {
  min-height: 100px;
  line-height: var(--sc-leading);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px var(--sc-primary-glass);
}

.form-check-label {
  font-size: var(--sc-text-sm);
}

/* --- Tables --- */
.table-responsive {
  border-radius: var(--radius-lg);
  border: 1px solid var(--sc-border-light);
}

.table {
  margin-bottom: 0;
}

.table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--sc-surface-elevated);
  font-size: var(--sc-text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 20px;
  white-space: nowrap;
}

.table tbody td {
  padding: 16px 20px;
  font-size: var(--sc-text-sm);
  transition: background-color 0.15s ease;
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--sc-primary-glass);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: hsla(221, 83%, 53%, 0.02);
}

.table .btn-sm {
  padding: 4px 10px;
}

/* --- Badges & status --- */
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.badge.bg-success,
.text-bg-success {
  background-color: hsl(142, 71%, 40%) !important;
}

.badge.bg-warning,
.text-bg-warning {
  background-color: hsl(38, 92%, 48%) !important;
  color: hsl(222, 47%, 11%) !important;
}

.badge.bg-danger,
.text-bg-danger {
  background-color: hsl(0, 72%, 55%) !important;
}

.badge.bg-primary,
.text-bg-primary {
  background-color: var(--sc-primary) !important;
}

.badge.bg-secondary,
.text-bg-secondary {
  background-color: var(--sc-surface-elevated) !important;
  color: var(--sc-text-muted) !important;
  border: 1px solid var(--sc-border);
}

/* --- Breadcrumbs & page headers --- */
.breadcrumb {
  font-size: var(--sc-text-sm);
  margin-bottom: var(--sc-space-4);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--sc-text-muted);
}

.page-header,
.d-flex.justify-content-between.align-items-center.mb-4 {
  margin-bottom: var(--sc-space-6) !important;
}

h1, .h1, .display-6 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: var(--sc-leading-tight);
}

/* --- Modals --- */
.modal-content {
  border-radius: var(--radius-lg);
  border: 1px solid var(--sc-border);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: var(--sc-space-5) var(--sc-space-6);
}

.modal-body {
  padding: var(--sc-space-6);
}

.modal-footer {
  padding: var(--sc-space-4) var(--sc-space-6);
}

/* --- Alerts --- */
.alert {
  border-radius: var(--radius-md);
  font-size: var(--sc-text-sm);
  border: 1px solid transparent;
}

/* --- Pagination --- */
.pagination .page-link {
  border-radius: var(--radius-sm) !important;
  margin: 0 2px;
  font-size: var(--sc-text-sm);
  color: var(--sc-text);
  border-color: var(--sc-border);
  transition: var(--transition-fast);
}

.pagination .page-link:hover {
  background: var(--sc-primary-glass);
  border-color: var(--sc-primary);
  color: var(--sc-primary);
}

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

/* --- List groups --- */
.list-group-item {
  font-size: var(--sc-text-sm);
  padding: 14px 18px;
  border-color: var(--sc-border-light);
  transition: var(--transition-fast);
}

.list-group-item:hover {
  background: var(--sc-primary-glass);
}

.list-group-item.active {
  background: var(--sc-primary);
  border-color: var(--sc-primary);
}

/* --- Empty states --- */
.text-center.text-muted.py-5,
.text-center.p-4.text-muted {
  padding: var(--sc-space-8) var(--sc-space-4) !important;
}

.text-center.text-muted .bi,
.text-center.text-muted i {
  opacity: 0.5;
  margin-bottom: var(--sc-space-3);
}

/* --- Timeline / activity --- */
.timeline-item,
.activity-item {
  transition: var(--transition-fast);
}

/* --- Loading skeletons --- */
.sc-skeleton {
  background: linear-gradient(
    90deg,
    var(--sc-surface-elevated) 25%,
    var(--sc-border-light) 50%,
    var(--sc-surface-elevated) 75%
  );
  background-size: 200% 100%;
  animation: sc-skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.sc-skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.sc-skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 12px;
}

.sc-skeleton-card {
  height: 120px;
  border-radius: var(--radius-lg);
}

@keyframes sc-skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.sc-page-loading .main .container,
.sc-page-loading .main .container-fluid {
  opacity: 0.6;
  pointer-events: none;
}

/* --- Images --- */
img {
  max-width: 100%;
  height: auto;
}

img[loading='lazy'] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[loading='lazy'].sc-loaded {
  opacity: 1;
}

/* --- Kanban / ticket detail panels --- */
.border.rounded,
.border.rounded-3,
.border.rounded-4 {
  border-color: var(--sc-border) !important;
  border-radius: var(--radius-lg) !important;
}

.shadow,
.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

/* --- Responsive refinements --- */
@media (max-width: 991px) {
  .app-shell {
    grid-template-columns: 1fr !important;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    height: 100vh;
    z-index: 1040;
    width: 280px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .sidebar.show {
    left: 0;
  }

  .sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1030;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  [data-theme='dark'] .sidebar-backdrop {
    background: rgba(0, 0, 0, 0.7);
  }

  .sidebar-backdrop.show {
    opacity: 1;
    visibility: visible;
  }

  .topbar {
    padding: 0 var(--sc-space-4);
    height: 60px;
  }

  .topbar__actions .btn-sm span {
    display: none;
  }

  .topbar__search {
    max-width: 160px;
  }
  
  .profile__meta {
    display: none;
  }

  .main .container,
  .main .container-fluid,
  .main .content {
    padding-top: var(--sc-space-4);
    padding-bottom: var(--sc-space-6);
  }

  .card-body {
    padding: var(--sc-space-4);
  }

  .table thead th,
  .table tbody td {
    padding: 12px 14px;
  }
}

@media (max-width: 576px) {
  h1, .h1, .display-6 {
    font-size: 1.25rem;
  }

  .btn {
    padding: 8px 16px;
  }

  .card-header {
    padding: var(--sc-space-4);
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* --- Print unchanged --- */
@media print {
  .sc-skeleton { display: none !important; }
}

/* ==========================================================================
   Extended Enterprise Polish — KPI, details, tabs, filters, motion
   ========================================================================== */

/* Dark theme: Bootstrap subtle backgrounds */
[data-theme='dark'] .bg-primary-subtle { background-color: hsla(221, 83%, 53%, 0.14) !important; }
[data-theme='dark'] .bg-success-subtle { background-color: hsla(142, 71%, 45%, 0.14) !important; }
[data-theme='dark'] .bg-warning-subtle { background-color: hsla(38, 92%, 50%, 0.14) !important; }
[data-theme='dark'] .bg-danger-subtle  { background-color: hsla(0, 72%, 55%, 0.14) !important; }
[data-theme='dark'] .bg-info-subtle    { background-color: hsla(199, 89%, 48%, 0.14) !important; }

[data-theme='dark'] .text-primary { color: hsl(221, 83%, 65%) !important; }
[data-theme='dark'] .text-success { color: hsl(142, 71%, 55%) !important; }
[data-theme='dark'] .text-warning { color: hsl(38, 92%, 58%) !important; }
[data-theme='dark'] .text-danger  { color: hsl(0, 72%, 62%) !important; }
[data-theme='dark'] .text-info    { color: hsl(199, 89%, 58%) !important; }

/* KPI / dashboard metric cards */
.card-metric {
  border: 1px solid var(--sc-border-light);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card-metric:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--sc-border);
}

.card-metric .h3,
.card-metric .fs-5 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  color: var(--sc-text);
}

.card-metric .avatar,
.card .avatar:not(.profile .avatar) {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.avatar-sm {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  font-size: 1rem;
}

/* Staggered entrance for dashboard rows */
.row.g-4 > [class*='col'] {
  animation: sc-fade-in 0.35s ease-out backwards;
}

.row.g-4 > [class*='col']:nth-child(1) { animation-delay: 0.03s; }
.row.g-4 > [class*='col']:nth-child(2) { animation-delay: 0.06s; }
.row.g-4 > [class*='col']:nth-child(3) { animation-delay: 0.09s; }
.row.g-4 > [class*='col']:nth-child(4) { animation-delay: 0.12s; }
.row.g-4 > [class*='col']:nth-child(5) { animation-delay: 0.15s; }
.row.g-4 > [class*='col']:nth-child(6) { animation-delay: 0.18s; }

/* Detail pages: ticket, project, asset, user */
.col-lg-8 > .card,
.col-lg-4 > .card,
.col-md-8 > .card,
.col-md-4 > .card {
  margin-bottom: var(--sc-space-5);
}

.card .card-body .row.mb-3 {
  padding-bottom: var(--sc-space-3);
  border-bottom: 1px solid var(--sc-border-light);
  margin-bottom: var(--sc-space-3) !important;
}

.card .card-body .row.mb-3:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.card .card-body strong {
  display: block;
  font-size: var(--sc-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sc-text-muted);
  margin-bottom: var(--sc-space-1);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sc-space-2);
  align-items: center;
}

/* Tabs & pills */
.nav-tabs {
  border-bottom: 1px solid var(--sc-border);
  gap: 4px;
}

.nav-tabs .nav-link {
  border: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--sc-text-muted);
  font-size: var(--sc-text-sm);
  font-weight: 600;
  padding: 10px 16px;
  transition: var(--transition-fast);
}

.nav-tabs .nav-link:hover {
  color: var(--sc-primary);
  background: var(--sc-primary-glass);
}

.nav-tabs .nav-link.active {
  color: var(--sc-primary);
  background: var(--sc-surface);
  border-bottom: 2px solid var(--sc-primary);
}

.nav-pills .nav-link {
  border-radius: var(--radius-md);
  font-size: var(--sc-text-sm);
  font-weight: 600;
  color: var(--sc-text-muted);
  transition: var(--transition-fast);
}

.nav-pills .nav-link.active {
  background: var(--sc-primary);
  box-shadow: var(--shadow-glow);
}

/* Progress bars */
.progress {
  height: 8px;
  border-radius: 999px;
  background: var(--sc-surface-elevated);
  overflow: hidden;
}

.progress-bar {
  border-radius: 999px;
  transition: width 0.6s ease;
}

/* Filter / toolbar bars */
.d-flex.gap-2.mb-3,
.d-flex.gap-2.mb-4,
.filter-bar {
  padding: var(--sc-space-3) var(--sc-space-4);
  background: var(--sc-surface-elevated);
  border: 1px solid var(--sc-border-light);
  border-radius: var(--radius-lg);
}

/* Accordion */
.accordion-item {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border-light);
  border-radius: var(--radius-md) !important;
  margin-bottom: var(--sc-space-2);
  overflow: hidden;
}

.accordion-button {
  font-size: var(--sc-text-sm);
  font-weight: 600;
  background: var(--sc-surface);
  color: var(--sc-text);
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background: var(--sc-primary-glass);
  color: var(--sc-primary);
}

[data-theme='dark'] .accordion-button::after {
  filter: invert(1);
}

/* Global scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--sc-border) transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-thumb {
  background: var(--sc-border);
  border-radius: 8px;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--sc-text-muted);
}

/* Table inside card: sticky header in scroll area */
.card-body.p-0 .table-responsive,
.card-body > .table-responsive {
  max-height: min(70vh, 640px);
  overflow: auto;
}

.card-body.p-0 .table thead th,
.card-body > .table-responsive .table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  box-shadow: 0 1px 0 var(--sc-border);
}

/* Table action column */
.table .btn-group,
.table .d-flex.gap-1,
.table .d-flex.gap-2 {
  flex-wrap: nowrap;
}

/* Notification panel header */
#notificationList > li:first-child {
  background: var(--sc-surface-elevated) !important;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

[data-theme='dark'] #notificationList .bg-light {
  background: var(--sc-surface-elevated) !important;
}

/* Chat refinement */
.chat-msg {
  margin-bottom: var(--sc-space-4);
}

.chat-msg__meta {
  font-size: var(--sc-text-xs);
  color: var(--sc-text-muted);
  margin-bottom: var(--sc-space-1);
}

[data-theme='dark'] .chat-bubble {
  color: var(--sc-text) !important;
}

[data-theme='dark'] .chat-msg.me .chat-bubble {
  color: #fff !important;
}

/* Timeline */
.timeline,
.activity-feed {
  position: relative;
  padding-left: var(--sc-space-6);
}

.timeline::before,
.activity-feed::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--sc-border);
  border-radius: 2px;
}

/* Offcanvas & drawer */
.offcanvas {
  background: var(--sc-surface);
  border-color: var(--sc-border);
}

.offcanvas-header {
  border-bottom: 1px solid var(--sc-border-light);
}

/* Ultra-wide content balance */
@media (min-width: 1600px) {
  .content {
    padding-left: var(--sc-space-8);
    padding-right: var(--sc-space-8);
  }

  .container-fluid {
    padding-left: var(--sc-space-6);
    padding-right: var(--sc-space-6);
  }
}

@media (min-width: 2200px) {
  .main .container,
  .main .container-fluid,
  .content .container-fluid {
    max-width: 2000px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Reveal on scroll (class added by JS) */
.sc-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.sc-reveal.sc-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Input date/time native picker contrast */
input[type='date'].form-control,
input[type='datetime-local'].form-control,
input[type='time'].form-control {
  color-scheme: light dark;
}

/* WCAG: ensure minimum contrast on muted text in dark */
[data-theme='dark'] .form-text,
[data-theme='dark'] small.text-muted {
  color: hsl(215, 18%, 72%) !important;
}

/* Login / unauthenticated pages */
body:not(:has(.sidebar)) .main,
.app-shell:not(:has(.sidebar)) .main {
  min-height: 100vh;
}

/* Reduce layout shift for brand logo */
.brand__logo {
  aspect-ratio: auto;
  content-visibility: auto;
}

/* Hover lift utility used across views */
.hover-lift {
  transition: var(--transition-fast);
}

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

/* ==========================================================================
   Login / unauthenticated pages
   ========================================================================== */
.sc-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sc-space-6);
  background: linear-gradient(145deg, var(--sc-bg) 0%, var(--sc-surface-elevated) 50%, var(--sc-bg) 100%);
}

[data-theme='dark'] .sc-login-page {
  background: linear-gradient(145deg, hsl(222, 47%, 8%) 0%, hsl(222, 47%, 12%) 45%, hsl(222, 47%, 9%) 100%);
}

.sc-login-shell {
  width: 100%;
  max-width: 420px;
  animation: sc-fade-in 0.4s ease-out;
}

.sc-login-brand {
  text-align: center;
  margin-bottom: var(--sc-space-6);
}

.sc-login-brand h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sc-text);
  margin-bottom: var(--sc-space-2);
}

.sc-login-brand p {
  font-size: var(--sc-text-sm);
  color: var(--sc-text-muted);
  margin: 0;
}

.sc-login-card {
  border: 1px solid var(--sc-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--sc-surface);
  overflow: hidden;
}

.sc-login-card .card-body {
  padding: var(--sc-space-8) var(--sc-space-6);
}

.sc-login-card .form-control-lg {
  padding: 12px 16px;
  font-size: var(--sc-text-base);
  border-radius: var(--radius-md);
}

.sc-login-card .btn-lg {
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-weight: 700;
}

.sc-login-footer {
  text-align: center;
  margin-top: var(--sc-space-6);
  font-size: var(--sc-text-xs);
  color: var(--sc-text-muted);
}

/* Mobile hamburger active state */
@media (max-width: 991px) {
  #sidebarToggleMobile.is-active {
    border-color: var(--sc-primary);
    background: var(--sc-primary);
    color: #fff;
  }
}

/* RTL: sidebar active indicator */
[dir='rtl'] .nav-item.active::before {
  left: auto;
  right: 0;
  border-radius: 3px 0 0 3px;
}

[dir='rtl'] .nav-item:hover {
  transform: translateX(-2px);
}

/* Mobile sidebar backdrop polish */
.sidebar-backdrop {
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  transition: opacity 0.25s ease;
}

/* Skip link visibility */
.visually-hidden-focusable:focus {
  z-index: 10001;
  padding: var(--sc-space-3) var(--sc-space-4);
  background: var(--sc-primary);
  color: #fff;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Frontend Design Aesthetic Polish
   ========================================================================== */
/* Crisp, intentional typography */
body, .table tbody td, .form-control {
  font-family: var(--font-main);
  letter-spacing: -0.01em;
}

h1, h2, h3, .h1, .h2, .h3, .display-6, .card-header, th {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

/* Premium shadows and spacing for cards */
.card {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04), 0 2px 4px rgba(15, 23, 42, 0.02) !important;
  border-color: rgba(15, 23, 42, 0.08) !important;
  border-radius: var(--radius-lg);
  padding: 4px;
}
[data-theme='dark'] .card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
  border-color: rgba(255, 255, 255, 0.05) !important;
}

/* Table rows micro-interactions */
.table tbody tr {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.table tbody tr:hover {
  background-color: var(--sc-primary-glass) !important;
  transform: scale(1.002);
}

/* Off-canvas menu animation for mobile */
@media (max-width: 991px) {
  .sidebar {
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.15);
  }
}