/* Bootstrap 5.3 minimal styles for LearningTrainerWeb */
/* For production, download the full bootstrap.min.css from https://getbootstrap.com */

:root {
    --bs-primary: #0d6efd;
    --bs-secondary: #6c757d;
    --bs-success: #198754;
    --bs-info: #0dcaf0;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    --bs-dark: #212529;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
}

.container {
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

.row { display: flex; flex-wrap: wrap; margin-top: 0; margin-right: -0.75rem; margin-left: -0.75rem; }
.row > * { flex-shrink: 0; width: 100%; max-width: 100%; padding-right: 0.75rem; padding-left: 0.75rem; }
.g-4 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }
.g-4 > * { padding-right: calc(var(--bs-gutter-x) * 0.5); padding-left: calc(var(--bs-gutter-x) * 0.5); margin-top: var(--bs-gutter-y); }

@media (min-width: 768px) {
    .col-md-3 { flex: 0 0 auto; width: 25%; }
    .col-md-4 { flex: 0 0 auto; width: 33.333333%; }
    .col-md-5 { flex: 0 0 auto; width: 41.666667%; }
    .col-md-6 { flex: 0 0 auto; width: 50%; }
    .col-md-8 { flex: 0 0 auto; width: 66.666667%; }
}

.card { position: relative; display: flex; flex-direction: column; min-width: 0; word-wrap: break-word; background-color: #fff; background-clip: border-box; border: 1px solid rgba(0,0,0,.125); border-radius: 0.375rem; }
.card-body { flex: 1 1 auto; padding: 1rem; }
.card-title { margin-bottom: 0.5rem; }
.card-text { margin-bottom: 1rem; }
.card-header { padding: 0.5rem 1rem; margin-bottom: 0; background-color: rgba(0,0,0,.03); border-bottom: 1px solid rgba(0,0,0,.125); }
.card-footer { padding: 0.5rem 1rem; background-color: rgba(0,0,0,.03); border-top: 1px solid rgba(0,0,0,.125); }

.btn { display: inline-block; font-weight: 400; line-height: 1.5; text-align: center; text-decoration: none; vertical-align: middle; cursor: pointer; user-select: none; background-color: transparent; border: 1px solid transparent; padding: 0.375rem 0.75rem; font-size: 1rem; border-radius: 0.375rem; transition: color 0.15s, background-color 0.15s, border-color 0.15s; }
.btn-primary { color: #fff; background-color: var(--bs-primary); border-color: var(--bs-primary); }
.btn-primary:hover { background-color: #0b5ed7; border-color: #0a58ca; }
.btn-success { color: #fff; background-color: var(--bs-success); border-color: var(--bs-success); }
.btn-success:hover { background-color: #157347; border-color: #146c43; }
.btn-outline-primary { color: var(--bs-primary); border-color: var(--bs-primary); }
.btn-outline-primary:hover { color: #fff; background-color: var(--bs-primary); }
.btn-outline-danger { color: var(--bs-danger); border-color: var(--bs-danger); }
.btn-outline-danger:hover { color: #fff; background-color: var(--bs-danger); }
.btn-outline-light { color: #f8f9fa; border-color: #f8f9fa; }
.btn-outline-light:hover { color: #212529; background-color: #f8f9fa; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; border-radius: 0.25rem; }
.btn-lg { padding: 0.5rem 1rem; font-size: 1.25rem; border-radius: 0.5rem; }
.btn-group { position: relative; display: inline-flex; vertical-align: middle; }
.btn-group > .btn { position: relative; flex: 1 1 auto; }
.btn-group > .btn:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.btn-group > .btn:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: -1px; }
.btn-group-sm > .btn { padding: 0.25rem 0.5rem; font-size: 0.875rem; }

.badge { display: inline-block; padding: 0.35em 0.65em; font-size: 0.75em; font-weight: 700; line-height: 1; color: #fff; text-align: center; white-space: nowrap; vertical-align: baseline; border-radius: 0.375rem; }
.bg-primary { background-color: var(--bs-primary) !important; }
.bg-secondary { background-color: var(--bs-secondary) !important; }
.bg-success { background-color: var(--bs-success) !important; }
.bg-info { background-color: var(--bs-info) !important; }
.bg-warning { background-color: var(--bs-warning) !important; color: #000 !important; }
.bg-danger { background-color: var(--bs-danger) !important; }

.alert { position: relative; padding: 1rem; margin-bottom: 1rem; border: 1px solid transparent; border-radius: 0.375rem; }
.alert-info { color: #055160; background-color: #cff4fc; border-color: #b6effb; }
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-warning { color: #664d03; background-color: #fff3cd; border-color: #ffecb5; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }

.form-control { display: block; width: 100%; padding: 0.375rem 0.75rem; font-size: 1rem; font-weight: 400; line-height: 1.5; color: #212529; background-color: #fff; background-clip: padding-box; border: 1px solid #ced4da; appearance: none; border-radius: 0.375rem; transition: border-color 0.15s, box-shadow 0.15s; }
.form-control:focus { color: #212529; background-color: #fff; border-color: #86b7fe; outline: 0; box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25); }
.form-select { display: block; width: 100%; padding: 0.375rem 2.25rem 0.375rem 0.75rem; font-size: 1rem; font-weight: 400; line-height: 1.5; color: #212529; background-color: #fff; border: 1px solid #ced4da; border-radius: 0.375rem; appearance: none; }
.form-label { margin-bottom: 0.5rem; }
.form-check { display: block; min-height: 1.5rem; padding-left: 1.5em; margin-bottom: 0.125rem; }
.form-check-input { width: 1em; height: 1em; margin-top: 0.25em; vertical-align: top; border: 1px solid rgba(0,0,0,.25); border-radius: 0.25em; }
.form-check-label { cursor: pointer; }

.input-group { position: relative; display: flex; flex-wrap: wrap; align-items: stretch; width: 100%; }
.input-group > .form-control { position: relative; flex: 1 1 auto; width: 1%; min-width: 0; }
.input-group-text { display: flex; align-items: center; padding: 0.375rem 0.75rem; font-size: 1rem; font-weight: 400; line-height: 1.5; color: #212529; text-align: center; white-space: nowrap; background-color: #e9ecef; border: 1px solid #ced4da; border-radius: 0.375rem; }
.input-group > :not(:first-child) { margin-left: -1px; border-top-left-radius: 0; border-bottom-left-radius: 0; }
.input-group > :not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }

.nav { display: flex; flex-wrap: wrap; padding-left: 0; margin-bottom: 0; list-style: none; }
.nav-link { display: block; padding: 0.5rem 1rem; color: var(--bs-primary); text-decoration: none; transition: color 0.15s; }
.nav-link:hover { color: #0a58ca; }
.nav-tabs { border-bottom: 1px solid #dee2e6; }
.nav-tabs .nav-link { margin-bottom: -1px; background: none; border: 1px solid transparent; border-top-left-radius: 0.375rem; border-top-right-radius: 0.375rem; }
.nav-tabs .nav-link.active { color: #495057; background-color: #fff; border-color: #dee2e6 #dee2e6 #fff; }

.pagination { display: flex; padding-left: 0; list-style: none; }
.page-link { position: relative; display: block; color: var(--bs-primary); text-decoration: none; background-color: #fff; border: 1px solid #dee2e6; padding: 0.375rem 0.75rem; transition: color 0.15s, background-color 0.15s; }
.page-item:first-child .page-link { border-top-left-radius: 0.375rem; border-bottom-left-radius: 0.375rem; }
.page-item:last-child .page-link { border-top-right-radius: 0.375rem; border-bottom-right-radius: 0.375rem; }
.page-item.active .page-link { z-index: 3; color: #fff; background-color: var(--bs-primary); border-color: var(--bs-primary); }
.page-item.disabled .page-link { color: var(--bs-secondary); pointer-events: none; background-color: #fff; }

.table { width: 100%; margin-bottom: 1rem; color: #212529; vertical-align: top; border-color: #dee2e6; }
.table > :not(caption) > * > * { padding: 0.5rem; background-color: transparent; border-bottom-width: 1px; }
.table > thead { vertical-align: bottom; }
.table-striped > tbody > tr:nth-of-type(odd) > * { background-color: rgba(0,0,0,.05); }

.shadow { box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15) !important; }
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075) !important; }

.spinner-border { display: inline-block; width: 2rem; height: 2rem; vertical-align: -0.125em; border: 0.25em solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spinner-border 0.75s linear infinite; }
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.2em; }
@keyframes spinner-border { to { transform: rotate(360deg); } }

.breadcrumb { display: flex; flex-wrap: wrap; padding: 0; margin-bottom: 1rem; list-style: none; }
.breadcrumb-item + .breadcrumb-item { padding-left: 0.5rem; }
.breadcrumb-item + .breadcrumb-item::before { float: left; padding-right: 0.5rem; color: var(--bs-secondary); content: "/"; }
.breadcrumb-item.active { color: var(--bs-secondary); }

.list-group { display: flex; flex-direction: column; padding-left: 0; margin-bottom: 0; border-radius: 0.375rem; }
.list-group-item { position: relative; display: block; padding: 0.5rem 1rem; color: #212529; text-decoration: none; background-color: #fff; border: 1px solid rgba(0,0,0,.125); }
.list-group-flush > .list-group-item { border-width: 0 0 1px; }
.list-group-flush > .list-group-item:last-child { border-bottom-width: 0; }

/* Utilities */
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.flex-column { flex-direction: column !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.text-center { text-align: center !important; }
.text-muted { color: var(--bs-secondary) !important; }
.text-warning { color: var(--bs-warning) !important; }
.text-danger { color: var(--bs-danger) !important; }
.text-dark { color: var(--bs-dark) !important; }

.fw-bold { font-weight: 700 !important; }
.fs-5 { font-size: 1.25rem !important; }
.fs-6 { font-size: 1rem !important; }
.small { font-size: 0.875em !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.ml-2 { margin-left: 0.5rem !important; }
.ml-3 { margin-left: 1rem !important; }

.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
.ps-3 { padding-left: 1rem !important; }
.pb-3 { padding-bottom: 1rem !important; }

.rounded-circle { border-radius: 50% !important; }
.border-bottom { border-bottom: 1px solid #dee2e6 !important; }

.float-end { float: right !important; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

.display-4 { font-size: 3.5rem; font-weight: 300; line-height: 1.2; }
.lead { font-size: 1.25rem; font-weight: 300; }

a { color: var(--bs-primary); text-decoration: underline; }
a:hover { color: #0a58ca; }

hr { margin: 1rem 0; color: inherit; border: 0; border-top: 1px solid; opacity: 0.25; }

/* Navbar specific */
.navbar { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.navbar-brand { padding-top: 0.3125rem; padding-bottom: 0.3125rem; margin-right: 1rem; font-size: 1.25rem; text-decoration: none; white-space: nowrap; }
.navbar-dark .navbar-brand { color: #fff; }
.navbar-toggler { padding: 0.25rem 0.75rem; font-size: 1.25rem; line-height: 1; background-color: transparent; border: 1px solid transparent; border-radius: 0.375rem; transition: box-shadow 0.15s; }
.navbar-toggler-icon { display: inline-block; width: 1.5em; height: 1.5em; vertical-align: middle; background-repeat: no-repeat; background-position: center; background-size: 100%; }
.navbar-dark { --bs-navbar-color: rgba(255, 255, 255, 0.55); --bs-navbar-hover-color: rgba(255, 255, 255, 0.75); }
.nav-scrollable { max-height: calc(100vh - 3.5rem); overflow-y: auto; }
.collapse:not(.show) { display: none; }