/*
 * bs3-compat.css - keeps Bootstrap 3 markup usable on Bootstrap 5.3.
 * Load after the Bootstrap / DataTables CSS and before backend.css.
 * Delete a block once no page uses those classes any more.
 */

/* ---------- Base: BS3 density, links, labels ---------- */
html { font-size: 14px; } /* BS3 used 14px; delete this line for BS5's 16px */
a { text-decoration: none; }
a:where(:hover, :focus) { text-decoration: underline; }
label { display: inline-block; max-width: 100%; margin-bottom: .35rem; font-weight: 700; }
.checkbox label, .radio label, .checkbox-inline, .radio-inline, .form-check-label { font-weight: 400; }

/* ---------- Responsive visibility (BS3 breakpoints: xs <768, sm 768-991, md 992-1199, lg >=1200) ---------- */
.hidden { display: none !important; }
@media (max-width: 767.98px)                         { .hidden-xs { display: none !important; } }
@media (min-width: 768px) and (max-width: 991.98px)  { .hidden-sm { display: none !important; } }
@media (min-width: 992px) and (max-width: 1199.98px) { .hidden-md { display: none !important; } }
@media (min-width: 1200px)                           { .hidden-lg { display: none !important; } }

.visible-xs, .visible-xs-block, .visible-xs-inline, .visible-xs-inline-block,
.visible-sm, .visible-sm-block, .visible-sm-inline, .visible-sm-inline-block,
.visible-md, .visible-md-block, .visible-md-inline, .visible-md-inline-block,
.visible-lg, .visible-lg-block, .visible-lg-inline, .visible-lg-inline-block { display: none !important; }
@media (max-width: 767.98px) {
    .visible-xs, .visible-xs-block { display: block !important; }
    .visible-xs-inline { display: inline !important; }
    .visible-xs-inline-block { display: inline-block !important; }
}
@media (min-width: 768px) and (max-width: 991.98px) {
    .visible-sm, .visible-sm-block { display: block !important; }
    .visible-sm-inline { display: inline !important; }
    .visible-sm-inline-block { display: inline-block !important; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
    .visible-md, .visible-md-block { display: block !important; }
    .visible-md-inline { display: inline !important; }
    .visible-md-inline-block { display: inline-block !important; }
}
@media (min-width: 1200px) {
    .visible-lg, .visible-lg-block { display: block !important; }
    .visible-lg-inline { display: inline !important; }
    .visible-lg-inline-block { display: inline-block !important; }
}

/* ---------- Grid: columns outside a .row ----------
 * BS3 floated every column, so col-* worked in any parent. BS5 columns only line up
 * inside a .row (flex); elsewhere they keep their width but stack. Float them like BS3,
 * from the same breakpoint (float is ignored inside flex parents, so .row is unaffected). */
:where(:not(.row)) > :is([class^="col-"], [class*=" col-"]) { position: relative; min-height: 1px; padding-inline: 15px; }
:where(:not(.row)) > :is(.col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12) { float: left; float: inline-start; }
@media (min-width: 768px) {
    :where(:not(.row)) > :is(.col-md-1,.col-md-2,.col-md-3,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8,.col-md-9,.col-md-10,.col-md-11,.col-md-12) { float: left; float: inline-start; }
}
@media (min-width: 992px) {
    :where(:not(.row)) > :is(.col-lg-1,.col-lg-2,.col-lg-3,.col-lg-4,.col-lg-5,.col-lg-6,.col-lg-7,.col-lg-8,.col-lg-9,.col-lg-10,.col-lg-11,.col-lg-12) { float: left; float: inline-start; }
}
@media (min-width: 1200px) {
    :where(:not(.row)) > :is(.col-xl-1,.col-xl-2,.col-xl-3,.col-xl-4,.col-xl-5,.col-xl-6,.col-xl-7,.col-xl-8,.col-xl-9,.col-xl-10,.col-xl-11,.col-xl-12) { float: left; float: inline-start; }
}
/* BS3 containers cleared their floated columns */
.container::after, .container-fluid::after, .card-body::after, .well::after, .modal-body::after, .clearfix::after { content: ""; display: table; clear: both; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1rem; }
.form-text { display: block; } /* help-block was a block element */

.checkbox, .radio { position: relative; display: block; margin-top: .5rem; margin-bottom: .5rem; }
.checkbox input[type="checkbox"], .radio input[type="radio"],
.checkbox-inline input, .radio-inline input { margin-inline-end: .35rem; }
.checkbox-inline, .radio-inline { display: inline-flex; align-items: center; margin-inline-end: 1rem; cursor: pointer; }

.has-error .form-control, .has-error .form-select { border-color: var(--bs-form-invalid-border-color); }
.has-error .form-label, .has-error .form-text, .has-error .checkbox, .has-error .radio { color: var(--bs-form-invalid-color); }
.has-success .form-control, .has-success .form-select { border-color: var(--bs-form-valid-border-color); }
.has-success .form-label, .has-success .form-text { color: var(--bs-form-valid-color); }
.has-warning .form-control, .has-warning .form-select { border-color: var(--bs-warning); }
.has-warning .form-label, .has-warning .form-text { color: var(--bs-warning-text-emphasis); }

@media (min-width: 768px) {
    .form-inline { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
    .form-inline .form-group { display: flex; align-items: center; gap: .35rem; margin-bottom: 0; }
    .form-inline .form-label { margin-bottom: 0; }
    .form-inline .form-control, .form-inline .form-select, .form-inline .input-group { width: auto; }
}

/* form-horizontal: each .form-group behaves like a .row */
.form-horizontal .form-group {
    --bs-gutter-x: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    margin-right: calc(-.5 * var(--bs-gutter-x));
    margin-left: calc(-.5 * var(--bs-gutter-x));
}
:where(.form-horizontal .form-group) > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: calc(.5 * var(--bs-gutter-x));
    padding-left: calc(.5 * var(--bs-gutter-x));
}
@media (min-width: 768px) {
    .form-horizontal .form-label { padding-top: calc(.375rem + var(--bs-border-width)); margin-bottom: 0; text-align: end; }
}

/* ---------- Input groups & buttons ---------- */
.input-group-btn { display: flex; }
.input-group > .input-group-btn:not(:first-child) > .btn { border-start-start-radius: 0; border-end-start-radius: 0; }
.input-group > .input-group-btn:not(:last-child) > .btn { border-start-end-radius: 0; border-end-end-radius: 0; }

.btn-xs, .btn-group-xs > .btn {
    --bs-btn-padding-y: .1rem;
    --bs-btn-padding-x: .4rem;
    --bs-btn-font-size: .75rem;
    --bs-btn-border-radius: .2rem;
}

/* ---------- Dropdowns (<li><a> items, dividers, carets) ---------- */
.dropdown-menu > li > a {
    display: block;
    width: 100%;
    padding: var(--bs-dropdown-item-padding-y) var(--bs-dropdown-item-padding-x);
    clear: both;
    font-weight: 400;
    color: var(--bs-dropdown-link-color);
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
    text-decoration: none;
}
.dropdown-menu > li > a:hover, .dropdown-menu > li > a:focus { color: var(--bs-dropdown-link-hover-color); background-color: var(--bs-dropdown-link-hover-bg); }
.dropdown-menu > .active > a, .dropdown-menu > .active > a:hover { color: var(--bs-dropdown-link-active-color); background-color: var(--bs-dropdown-link-active-bg); }
.dropdown-menu > .disabled > a { color: var(--bs-dropdown-link-disabled-color); pointer-events: none; }
.dropdown-menu > li.divider { height: 0; margin: var(--bs-dropdown-divider-margin-y) 0; overflow: hidden; border-top: 1px solid var(--bs-dropdown-divider-bg); }

.caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-inline-start: .25em;
    vertical-align: middle;
    border-top: .3em solid;
    border-right: .3em solid transparent;
    border-left: .3em solid transparent;
}
.dropdown-toggle .caret { display: none; } /* BS5 draws its own arrow */

/* ---------- Navs & tabs (<li><a> markup) ---------- */
.nav > li > a { display: block; padding: var(--bs-nav-link-padding-y) var(--bs-nav-link-padding-x); color: var(--bs-nav-link-color); text-decoration: none; }
.nav > li > a:hover, .nav > li > a:focus { color: var(--bs-nav-link-hover-color); }
.nav > li.disabled > a { color: var(--bs-nav-link-disabled-color); pointer-events: none; }

.nav-tabs > li { margin-bottom: calc(-1 * var(--bs-nav-tabs-border-width)); }
.nav-tabs > li > a {
    border: var(--bs-nav-tabs-border-width) solid transparent;
    border-top-left-radius: var(--bs-nav-tabs-border-radius);
    border-top-right-radius: var(--bs-nav-tabs-border-radius);
}
.nav-tabs > li > a:hover { border-color: var(--bs-nav-tabs-link-hover-border-color); isolation: isolate; }
.nav-tabs > li.active > a { color: var(--bs-nav-tabs-link-active-color); background-color: var(--bs-nav-tabs-link-active-bg); border-color: var(--bs-nav-tabs-link-active-border-color); }
.nav-pills > li > a { border-radius: var(--bs-nav-pills-border-radius); }
.nav-pills > li.active > a { color: var(--bs-nav-pills-link-active-color); background-color: var(--bs-nav-pills-link-active-bg); }

/* ---------- Navbar ---------- */
.navbar-header { display: flex; align-items: center; justify-content: space-between; }
@media (max-width: 767.98px) { .navbar-header { width: 100%; } }
.navbar-nav > li > a { padding: var(--bs-nav-link-padding-y) var(--bs-navbar-nav-link-padding-x); color: var(--bs-navbar-color); }
.navbar-nav > li > a:hover, .navbar-nav > li > a:focus { color: var(--bs-navbar-hover-color); }
.navbar-nav > .active > a, .navbar-nav > .open > a { color: var(--bs-navbar-active-color); }
.navbar-toggler .icon-bar { display: block; width: 22px; height: 2px; background-color: currentColor; border-radius: 1px; }
.navbar-toggler .icon-bar + .icon-bar { margin-top: 4px; }
.navbar-form { display: flex; align-items: center; gap: .5rem; margin: 0; }
.navbar-btn { margin-top: .5rem; margin-bottom: .5rem; }

/* ---------- Pagination & breadcrumb (<li><a> markup) ---------- */
.pagination > li > a, .pagination > li > span {
    position: relative;
    display: block;
    padding: var(--bs-pagination-padding-y) var(--bs-pagination-padding-x);
    font-size: var(--bs-pagination-font-size);
    color: var(--bs-pagination-color);
    text-decoration: none;
    background-color: var(--bs-pagination-bg);
    border: var(--bs-pagination-border-width) solid var(--bs-pagination-border-color);
}
.pagination > li:not(:first-child) > a, .pagination > li:not(:first-child) > span { margin-inline-start: calc(-1 * var(--bs-pagination-border-width)); }
.pagination > li:first-child > a, .pagination > li:first-child > span { border-start-start-radius: var(--bs-pagination-border-radius); border-end-start-radius: var(--bs-pagination-border-radius); }
.pagination > li:last-child > a, .pagination > li:last-child > span { border-start-end-radius: var(--bs-pagination-border-radius); border-end-end-radius: var(--bs-pagination-border-radius); }
.pagination > li > a:hover { z-index: 2; color: var(--bs-pagination-hover-color); background-color: var(--bs-pagination-hover-bg); border-color: var(--bs-pagination-hover-border-color); }
.pagination > .active > a, .pagination > .active > span { z-index: 3; color: var(--bs-pagination-active-color); background-color: var(--bs-pagination-active-bg); border-color: var(--bs-pagination-active-border-color); }
.pagination > .disabled > a, .pagination > .disabled > span { color: var(--bs-pagination-disabled-color); pointer-events: none; background-color: var(--bs-pagination-disabled-bg); border-color: var(--bs-pagination-disabled-border-color); }

.breadcrumb > li:not(.breadcrumb-item) + li:not(.breadcrumb-item) { padding-inline-start: var(--bs-breadcrumb-item-padding-x); }
.breadcrumb > li:not(.breadcrumb-item) + li:not(.breadcrumb-item)::before {
    padding-inline-end: var(--bs-breadcrumb-item-padding-x);
    color: var(--bs-breadcrumb-divider-color);
    content: var(--bs-breadcrumb-divider, "/");
}
.breadcrumb > li.active { color: var(--bs-breadcrumb-item-active-color); }

/* ---------- Labels & badges ---------- */
.label {
    display: inline-block;
    padding: .25em .6em;
    font-size: 75%;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: .25em;
}
.label:empty { display: none; }
.label-default { background-color: var(--bs-secondary); }
.label-primary { background-color: var(--bs-primary); }
.label-success { background-color: var(--bs-success); }
.label-info    { background-color: var(--bs-info); color: #000; }
.label-warning { background-color: var(--bs-warning); color: #000; }
.label-danger  { background-color: var(--bs-danger); }
.badge:not([class*="bg-"]) { background-color: var(--bs-secondary); border-radius: 10rem; }

/* ---------- Panels (converted to cards) ---------- */
.card { margin-bottom: 1.25rem; }
.card-header .card-title { margin: 0; font-size: 1.15rem; }
.card.border-primary > .card-header { color: #fff; background-color: var(--bs-primary); border-color: var(--bs-primary); }
.card.border-success > .card-header { color: var(--bs-success-text-emphasis); background-color: var(--bs-success-bg-subtle); border-color: var(--bs-success-border-subtle); }
.card.border-info > .card-header    { color: var(--bs-info-text-emphasis); background-color: var(--bs-info-bg-subtle); border-color: var(--bs-info-border-subtle); }
.card.border-warning > .card-header { color: var(--bs-warning-text-emphasis); background-color: var(--bs-warning-bg-subtle); border-color: var(--bs-warning-border-subtle); }
.card.border-danger > .card-header  { color: var(--bs-danger-text-emphasis); background-color: var(--bs-danger-bg-subtle); border-color: var(--bs-danger-border-subtle); }
.panel-group { margin-bottom: 1.25rem; }
.panel-group > .card { margin-bottom: 0; }
.panel-group > .card + .card { margin-top: 5px; }

/* ---------- Removed components ---------- */
.well { min-height: 20px; padding: 19px; margin-bottom: 20px; background-color: var(--bs-tertiary-bg); border: 1px solid var(--bs-border-color); border-radius: var(--bs-border-radius); }
.well-sm { padding: 9px; }
.well-lg { padding: 24px; }
.jumbotron { padding: 2rem 1rem; margin-bottom: 2rem; background-color: var(--bs-tertiary-bg); border-radius: var(--bs-border-radius-lg); }
.page-header { padding-bottom: .6rem; margin: 2.5rem 0 1.5rem; border-bottom: 1px solid var(--bs-border-color); }
.thumbnail { display: block; padding: 4px; margin-bottom: 20px; background-color: var(--bs-body-bg); border: 1px solid var(--bs-border-color); border-radius: var(--bs-border-radius); }
.thumbnail > img { display: block; max-width: 100%; height: auto; margin-inline: auto; }

.media { display: flex; align-items: flex-start; margin-top: 15px; }
.media:first-child { margin-top: 0; }
.media-body { flex: 1; min-width: 0; }
.media-left, .media-right { flex-shrink: 0; }
.media-left { padding-inline-end: 10px; }
.media-right { padding-inline-start: 10px; }
.media-heading { margin-top: 0; margin-bottom: 5px; }

.list-inline > li { display: inline-block; padding-inline: 5px; }
.text-justify { text-align: justify !important; }

@media (min-width: 768px) {
    .dl-horizontal dt { float: left; clear: left; width: 160px; overflow: hidden; text-align: end; text-overflow: ellipsis; white-space: nowrap; }
    .dl-horizontal dd { margin-inline-start: 180px; }
    [dir="rtl"] .dl-horizontal dt { float: right; clear: right; }
}

/* ---------- Close buttons ---------- */
.modal-header .btn-close, .modal-header .close { order: 2; } /* BS3 put the X before the title */
.close { float: right; padding: 0; font-size: 1.5rem; font-weight: 700; line-height: 1; color: #000; background: transparent; border: 0; opacity: .5; }
[dir="rtl"] .close { float: left; }
.close:hover, .close:focus { opacity: .75; text-decoration: none; }