:root {
  --quiz-primary: #0f4c81;
  --quiz-secondary: #1d71b8;
  --quiz-success: #198754;
  --quiz-danger: #dc3545;
  --quiz-warning: #f59f00;
  --quiz-info: #0dcaf0;
  --quiz-text: #243447;
  --quiz-muted: #6c7a89;
}

html,
body {
  min-height: 100%;
}

body {
  color: var(--quiz-text);
  background-color: #f5f7fb;
}

/* Layout helpers */
.table-responsive {
  overflow-x: auto;
}

.card-title {
  font-weight: 700;
}

/* Keep focus glow visible for controls rendered inside card headers/tools */
.card-header,
.card-header .card-tools,
.card-header .form-group {
  overflow: visible;
}

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

/* Horizontal table scroll only on smaller screens */
.dt-mobile-scroll {
  overflow: visible;
}

@media (max-width: 991.98px) {
  .dt-mobile-scroll {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
  }

  .dt-mobile-scroll > table {
    min-width: 820px;
  }
}

/* Select2 alignment for Bootstrap 5 */
.select2-container {
  width: 100% !important;
}

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
  min-height: calc(1.5em + 0.75rem + 2px);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 2.1;
  padding-left: 0.75rem;
  padding-right: 2rem;
}

.select2-dropdown {
  border: 1px solid #ced4da;
  z-index: 1090;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--focus .select2-selection--multiple {
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* DataTables visual polish */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 0.375rem !important;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
}

.dataTables_wrapper .dataTables_filter input {
  padding: 0.375rem 0.5rem;
}

.dataTables_wrapper .dataTables_length select {
  min-width: 4.75rem;
  padding: 0.375rem 1.9rem 0.375rem 0.5rem;
  background-position: right 0.55rem center;
}

/* Legacy Bootstrap 4 compatibility classes */
.badge-info,
.bg-info {
  background-color: var(--quiz-info) !important;
  color: #01212a !important;
}

.badge-success,
.bg-success {
  background-color: var(--quiz-success) !important;
  color: #fff !important;
}

.badge-primary,
.bg-primary {
  background-color: var(--quiz-primary) !important;
  color: #fff !important;
}

.badge-warning,
.bg-warning {
  background-color: var(--quiz-warning) !important;
  color: #1f1600 !important;
}

.badge-danger,
.bg-danger {
  background-color: var(--quiz-danger) !important;
  color: #fff !important;
}

.custom-control {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
}

.custom-control-input {
  margin-right: 0.5rem;
}

.custom-control-label {
  margin-bottom: 0;
}

.custom-control-inline {
  margin-right: 1rem;
}

.custom-select {
  display: block;
  width: 100%;
  padding: 0.375rem 2.25rem 0.375rem 0.75rem;
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
  background-color: #fff;
}

.btn-block {
  display: block;
  width: 100%;
}

.float-right {
  float: right !important;
}

.float-left {
  float: left !important;
}

.ml-auto {
  margin-left: auto !important;
}

.mr-1 {
  margin-right: 0.25rem !important;
}

.mr-2 {
  margin-right: 0.5rem !important;
}

/* Legacy Bootstrap 3 nav support used by old dashboard */
.navbar-default {
  background-color: #fff;
  border: 1px solid #e8eef5;
  border-radius: 0.5rem;
}

.navbar-default .navbar-nav > li > a {
  color: #334155;
}

.navbar-default .navbar-nav > li.active > a {
  color: #0f4c81;
  font-weight: 600;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.5rem;
  margin-left: -0.5rem;
}

/* Modal responsive adjustments */
.modal-lg-md-down.modal-dialog {
  max-width: 80%;
  width: auto;
}

@media (max-width: 1199.98px) {
  .modal-lg-md-down.modal-dialog {
    max-width: 95%;
    margin: 1rem auto;
  }
}

@media (max-width: 767.98px) {
  .modal-lg-md-down.modal-dialog,
  .modal-dialog {
    max-width: 100%;
    margin: 0.5rem auto;
    height: calc(100vh - 1rem);
    max-height: calc(100vh - 1rem);
  }

  .modal-content {
    height: 100%;
    border-radius: 0.5rem;
  }

  .modal-body.modal-body-scroll {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
  }
}

.form-row > [class*="col-"] {
  padding-right: 0.5rem;
  padding-left: 0.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.close {
  border: 0;
  background: transparent;
  font-size: 1.25rem;
  line-height: 1;
  color: #6c757d;
  opacity: 0.9;
}

.close:hover {
  color: #111827;
  opacity: 1;
}

.navbar-toggle {
  border: 1px solid #d0dae6;
  border-radius: 0.375rem;
  padding: 0.25rem 0.5rem;
  background: #fff;
}

.icon-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: #3f4c5d;
  margin: 3px 0;
}

@media (max-width: 991.98px) {
  .card-tools {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}