:root {
  --app-bg: #f3f4f7;
  --app-surface: #ffffff;
  --app-surface-2: #f8f9fa;
  --app-border: #dfe3ea;
  --app-text: #1f2933;
  --app-text-muted: #5f6b7a;
  --app-primary: #2f6fed;
  --app-sidebar-width: 280px;
  --app-shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.08);
  --app-shadow-md: 0 8px 24px rgba(17, 24, 39, 0.08);
  --app-radius: 0.75rem;
}

body.app-theme-light {
  background: var(--app-bg);
  color: var(--app-text);
  min-height: 100vh;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: var(--app-sidebar-width);
  background: var(--app-surface);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 1035;
  box-shadow: var(--app-shadow-sm);
}

.app-sidebar-header,
.app-sidebar-footer {
  padding: 0.875rem 1rem;
}

.app-brand {
  color: var(--app-text);
  font-weight: 700;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
}

.app-sidebar-body {
  flex: 1;
  padding: 0.75rem;
  overflow-y: auto;
}

.app-sidebar-nav .nav-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--app-text-muted);
  padding: 0.6rem 0.75rem 0.35rem;
}

.app-sidebar-nav .nav-link {
  color: var(--app-text-muted);
  border-radius: 0.5rem;
  margin-bottom: 0.25rem;
  padding: 0.625rem 0.75rem;
  display: inline-flex;
  align-items: center;
  width: 100%;
}

.app-sidebar-nav .nav-link:hover {
  color: var(--app-text);
  background: var(--app-surface-2);
}

.app-sidebar-nav .nav-link.active {
  color: #fff;
  background: var(--app-primary);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.app-main {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--app-surface);
  box-shadow: var(--app-shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.app-page-title {
  color: var(--app-text);
  font-weight: 700;
}

.app-body {
  flex: 1;
}

.app-content {
  padding-top: 1rem;
  padding-bottom: 1.25rem;
}

.app-page {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow-sm);
  padding: 1rem;
}

.public-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #f9fbff 0%, #f3f4f7 100%);
}

.public-body {
  flex: 1;
  display: flex;
  align-items: center;
}

.app-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 26, 0.4);
  z-index: 1030;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed;
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.24s ease;
  }

  .app-shell.sidebar-mobile-open .app-sidebar {
    transform: translateX(0);
  }

  .app-shell.sidebar-mobile-open .app-sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
}

.card,
.modal-content,
.table,
.form-control,
.form-select,
.btn {
  border-radius: 0.6rem;
}

.table > :not(caption) > * > * {
  vertical-align: middle;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  min-height: 2.125rem;
}

/* Fix mojibake sort arrows on DataTables headers by using Unicode escapes */
table.dataTable thead > tr > th.sorting:before,
table.dataTable thead > tr > th.sorting_asc:before,
table.dataTable thead > tr > th.sorting_desc:before,
table.dataTable thead > tr > th.sorting_asc_disabled:before,
table.dataTable thead > tr > th.sorting_desc_disabled:before,
table.dataTable thead > tr > td.sorting:before,
table.dataTable thead > tr > td.sorting_asc:before,
table.dataTable thead > tr > td.sorting_desc:before,
table.dataTable thead > tr > td.sorting_asc_disabled:before,
table.dataTable thead > tr > td.sorting_desc_disabled:before {
  content: "\25B2" !important;
}

table.dataTable thead > tr > th.sorting:after,
table.dataTable thead > tr > th.sorting_asc:after,
table.dataTable thead > tr > th.sorting_desc:after,
table.dataTable thead > tr > th.sorting_asc_disabled:after,
table.dataTable thead > tr > th.sorting_desc_disabled:after,
table.dataTable thead > tr > td.sorting:after,
table.dataTable thead > tr > td.sorting_asc:after,
table.dataTable thead > tr > td.sorting_desc:after,
table.dataTable thead > tr > td.sorting_asc_disabled:after,
table.dataTable thead > tr > td.sorting_desc_disabled:after {
  content: "\25BC" !important;
}

#msg.alert {
  margin-top: 1rem;
}

#noticeModal .modal-content {
  border-radius: 0.85rem;
}