@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400..600;1,400..600&display=swap');

:root {
  --bg-page: #f5f8ff;
  --bg-surface: #ffffff;
  --bg-soft: #f8fbff;
  --text-main: #475569;
  --text-strong: #1e293b;
  --text-muted: #64748b;
  --border-soft: #dbe7f7;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --shadow-soft: 0 10px 30px rgba(30, 41, 59, 0.08);
  --radius-md: 8px;
  --header-bg-start: #f8fafc;
  --header-bg-mid: #f1f5f9;
  --header-bg-end: #e2e8f0;
  --header-border: #cbd5e1;
  --header-text: #334155;
  --header-text-strong: #0f172a;
  --header-hover-bg: #e2e8f0;
  --header-search-bg: #ffffff;
  --header-search-border: #cbd5e1;
}

html {
     font-family: sans-serif;
     line-height: 1.15;
     height: 100%;
}
body {
     margin: 0;
     font-family: "Open Sans", Arial,sans-serif;
     font-size: 14px;
     font-weight: 400;
     line-height: 1.5;
     color: var(--text-main);
     text-align: left;
     background: var(--bg-page);
     margin: 0 auto;
    height: 100%;
}
.wrapper {
  min-height: 100%;
  position: relative;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
     margin-bottom: 0.5rem;
     font-family: inherit;
     font-weight: 300;
     line-height: 1.2;
     color: inherit;
}
 img {
     border: 0;
}
 .google-ads {
     position: relative;
     left: -124px;
}
 a {
     color: var(--accent);
     text-decoration:none;
}
 a:hover {
     color: var(--accent-hover);
}
input, textarea, select {
    padding: 5px 9px 7px;
    border-radius: var(--radius-md);
    box-sizing: border-box;
    height: calc(1.5em + .75rem + 2px);
    color: #0f172a;
    margin: 0;
    border: 1px solid #cbd5e1;
    background-color: #f8fafc;
}
 .footer {
     margin-top: -120px;
     border-top: 1px solid #e2e8f0;
     color: #64748b;
     height: 120px;
     position: relative;
}
 .footer .banners {
     position: relative;
     top: -6px;
}
 .footer div {
     padding: 25px 0;
}
 .footer a {
     color: #64748b;
}
 .footer a:hover {
     color: #64748b;
     text-decoration: underline;
}
 .footer ul li {
     list-style: none;
     float: left;
     margin-left: 20px;
}
 .footer .right {
     margin-right: 50px;
}
 .loading {
     text-align: center;
}
 .right {
     float: right;
}
 .left {
     float: left;
}
 .clear {
     clear: both;
}
 p {
     text-align: justify;
}
 .layout-wrapper {
     background-color: var(--bg-surface);
     max-width: 1200px;
     margin: 0 auto;
     position: relative;
     min-height: 100%;
     border-radius: var(--radius-md);
     margin-bottom: 160px;
     border: 1px solid var(--border-soft);

}
@media screen and (max-width:1200px) {
  /*.layout-wrapper {
      margin-right: 10px;
      margin-left: 10px;
 }*/
}

 .page-wrapper {
     padding: 0 10px;
}
 .ads-index-top {
     text-align: center;
     background-color: var(--bg-soft);
     padding: 10px;
     border-bottom: 1px solid var(--border-soft);
}
 .categories-wrapper {
     float: left;
     overflow: hidden;
     width: 350px;
     border-right: 1px solid var(--border-soft);
}
 .categories-container {
     padding: 10px 5px;
}
 .content-wrapper {
  border-radius: var(--radius-md);
}
 .content-container {
     padding: 0px 15px;
     margin-bottom: 20px;
}
 a.ajax {
     text-decoration: none;
     border-bottom: 1px dashed 
}
 .cols {
     display: table;
     width: 100%;
     margin: 5px 0 
}
 .cols .col {
     display: table-cell;
     width: 50%;
     overflow: hidden 
}
.category-map {
  margin: 20px 0;
}
 .category-map .cols .col div {
     /*line-height: 160%;
     white-space: nowrap;*/
     padding-left: 20px 
}
 .category-map span {
     color: #6b7280;
     margin-left: 5px;
     position: relative;
}
 .category-map h2 a {
     color: #1e293b 
}
 .category-map h2 a:hover {
     color: #dc2626 
}
.category-group {
 margin-bottom: 10px;
}
.category-group h3 {
  color: #94a3b8;
  font-size: 15px;
  padding-left: 10px;
}

 @media screen and (max-width:768px) {
    .download-left-ads {
     display: none;
   }
     .category-map .cols {
         display: block 
    }
     .category-map .cols .col {
         display: block;
         width: 100% 
    }
     .category-map .cols .col div {
         margin-left: 0 
    }
}
 @media screen and (max-width:576px) {
     .category-map .cols {
         display: block 
    }
     .category-map .cols .col {
         display: block;
         width: 100% 
    }
     .category-map .cols .col div {
         margin-left: 0 
    }
}
.main-row {
     padding: 15px;
     -moz-border-bottom-colors: none;
     -moz-border-left-colors: none;
     -moz-border-right-colors: none;
     -moz-border-top-colors: none;
     background-color: var(--bg-surface);
    /* border-color: #D8D8D8;
     border-image: none;
     border-radius: var(--radius-md);
     border-style: solid;
     border-width: 1px 1px 2px;
    */
}
.header {
  min-height: 88px;
  width: 100%;
}

.header-inner {
  max-width: 992px;
  margin: 0 auto;
}

@media screen and (max-width:576px) {
  .large-menu {
    display: none !important;
  }
}

@media screen and (max-width:992px) {
  .header-inner {
    margin: 0 10px;
  }
}

.list-inline {
     padding-left: 0;
     list-style: none;
}
 .list-inline-item {
     display: inline-block;
     margin-right :1px;
}
.list-inline-item.active a {
  color: #1e293b;
}
.list-inline-item.active {
  font-weight: 800;
  border-bottom: 2px solid #1e293b;
}
 .text-muted {
     color: #64748b !important;
}
 .badge {
     display: inline-block;
     padding: 0.25em 0.4em;
     font-size: 80%;
     font-weight: 700;
     line-height: 1;
     text-align: center;
     white-space: nowrap;
     vertical-align: baseline;
}

/* Types */
 p {
     margin: 0 0 0 9px;
     font-family: tahoma, arial, verdana, sans-serif, Lucida Sans;
     font-size:13px;
     line-height:18px;
}
 p small {
     font-size:11px;
     color:#64748b;
}
 .lead {
     margin-bottom:18px;
     font-size:20px;
     font-weight:200;
     line-height:27px;
}
 h1 small, h2 small, h3 small, h4 small, h5 small, h6 small {
     font-weight:normal;
     color:#64748b;
}
 h1 {
     font-size:30px;
     margin: 0px;
}
 h1 small {
     font-size:18px;
}
 h2 {
     line-height:20px;
     font-size:15px;
}
 h2, .h2 {
     font-size: 1.6rem;
     line-height: 1;
}
 h2 small {
     font-size:18px;
}
 h3 {
     line-height:27px;
     font-size:18px;
}
 h3 small {
     font-size:14px;
}
 h4, h5, h6 {
     line-height:18px;
}
 h4 {
     font-size:14px;
}
 h4 small {
     font-size:12px;
}
 h5 {
     font-size:12px;
}
 h6 {
     font-size:11px;
     color:#64748b;
     text-transform:uppercase;
}
 .page-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-soft);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

 ul, ol {
     padding:0;
     margin:0 0 9px 25px;
}
 ul ul, ul ol, ol ol, ol ul {
     margin-bottom:0;
}
 ul {
     list-style:disc;
}
 ol {
     list-style:decimal;
}
 li {
     line-height:18px;
}
 ul.unstyled {
     margin-left:0;
     list-style:none;
}
 dl {
     margin-bottom:18px;
}
 dt, dd {
     line-height:18px;
}
 dt {
     font-weight:bold;
}
 dd {
     margin-left:9px;
}
 hr {
     margin:7px 0;
     border:0;
     border-top:1px solid #e2e8f0;
     border-bottom:1px solid #f8fafc;
}
 .pagination {
     height:30px;
}
 .pagination ul {
     background-color: #f8fafc;
     display:inline-block;
     *display:inline;
     *zoom:1;
     margin-left:0;
     margin-bottom:0;
     -webkit-border-radius: var(--radius-md);
     -moz-border-radius: var(--radius-md);
     border-radius: var(--radius-md);
     -webkit-box-shadow:0 1px 2px rgba(15,23,42,0.05);
     -moz-box-shadow:0 1px 2px rgba(15,23,42,0.05);
     box-shadow:0 1px 2px rgba(15,23,42,0.05);
}
 .pagination li {
     display:inline;
}
 .pagination a {
     float:left;
     padding:0 14px;
     line-height:27px;
     text-decoration:none;
     border:1px solid #e2e8f0;
     border-left-width:0;
}
.pagination span {
  float:left;
  padding:0 14px;
  line-height:27px;
  text-decoration:none;
  border:1px solid #e2e8f0;
  border-left-width:0;
  margin-left: 0;
}
 .pagination a:hover, .pagination .active a {
     background-color:#f8fafc;
}
 .pagination .active a {
     color:#64748b;
     cursor:default;
}
 .pagination .disabled a, .pagination .disabled a:hover {
     color:#64748b;
     background-color:transparent;
     cursor:default;
}
.pagination li:first-child span {
  border-left-width:1px;
  -webkit-border-radius: var(--radius-md) 0 0 var(--radius-md);
  -moz-border-radius: var(--radius-md) 0 0 var(--radius-md);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
 .pagination li:first-child a {
     border-left-width:1px;
     -webkit-border-radius: var(--radius-md) 0 0 var(--radius-md);
     -moz-border-radius: var(--radius-md) 0 0 var(--radius-md);
     border-radius: var(--radius-md) 0 0 var(--radius-md);
}
 .pagination li:last-child a {
     -webkit-border-radius: 0 var(--radius-md) var(--radius-md) 0;
     -moz-border-radius: 0 var(--radius-md) var(--radius-md) 0;
     border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
 .pagination-centered {
     text-align:center;
}
 .pagination-right {
     text-align:right;
}
/* Breadcrumb */
 .breadcrumb {
     margin: 0px;
     border-radius: var(--radius-md);
     margin-top: 3px;
}
 .breadcrumb li {
     display:inline;
}
 .breadcrumb .divider {
     padding:0 5px;
     color:#64748b;
}
 .breadcrumb a {
     color:#1e293b;
}
 .breadcrumb a:hover {
     color:#dc2626;
}
 .breadcrumb-item {
     color: #64748b;
}
 .breadcrumb-item+.breadcrumb-item::before {
     display: inline-block;
     padding-right: 0.2rem;
     font-size: 14px;
     color: #cbd5e1;
     content: '›';
     position: relative;
     top: 1px;
}
 .breadcrumb-item+.breadcrumb-item {
     padding-left: 0.2rem;
}
/* Sorting table */
 .sorting-table {
     background-color: #f8fafc;
     border-top: 1px solid #e2e8f0;
     border-bottom: 1px solid #e2e8f0;
     padding: 10px;
     margin-top: 10px;
}
 .sorting-table {
     *zoom:1;
}
 .sorting-table:before, .sorting-table:after {
     display:table;
     content:"";
}
 .sorting-table:after {
     clear:both;
}
 [class*="span"] {
     float:left;
}

.document-element {
     display: table;
     padding: 10px 0;
     /*padding: 15px 5px;
     border-left: 2px solid #f8fafc;*/
}
.document-element:last-child {
  border-bottom: 0;
}
.document-element:after {
  content: "";
  display: table;
  clear: both;
}

.document-element .list-inline-item:not(:first-child):before {
  display: inline-block;
  content: '';
  -webkit-border-radius: var(--radius-md);
  border-radius: var(--radius-md);
  height: 4px;
  width: 4px;
  margin-right:5px;
  background-color: rgba(100,116,139,.3);
  position: relative;
  top: -1px;
}
.document-element.file .body .list-inline {
     margin-top: 0px;
     margin-bottom: 20px;
}
 .document-element.file {
     border-bottom: 0;
}
 .document-element.file .buttons {
     margin-top: 20px;
}
 .document-element.first {
     border-top: 1px solid #e2e8f0;
     margin-top: 20px;
}
 .document-element .thumbnail {
     float: left;
     line-height:0;
     min-width: 60px;
     margin-left: 5px;
     text-align: center;
}
.document-element img {
  /*background: #f8fafc;
  border:1px solid #e2e8f0;
  border-radius: var(--radius-md);
  margin-bottom: 15px;*/
  border-color:#cbd5e1;
     -webkit-box-shadow:0 1px 4px #cbd5e1;
     -moz-box-shadow:0 1px 4px #cbd5e1;
     box-shadow:0 1px 4px #cbd5e1;
}
.document-element .thumbnail img {
     width:150px;
}
.document-element.file .thumbnail img {
  width:200px;
  border-radius: var(--radius-md);
}
 .document-element {
     background-color: var(--bg-surface);
}
 .document-element .body {
     vertical-align: top;
     padding-bottom: 10px;
     margin-left: 210px;
     padding: 0 10px;
}

 .document-element .body h2 {
     margin-top: 0;
     margin-bottom: 0px;
     margin-bottom: 10px;
}
 .document-element .body .list-inline {
     font-size: 14px;
     margin: 0px;
}
 .document-element .body h2 a {
     color:#1e293b;
     text-rendering:optimizelegibility;
     font-size: 25px;
     line-height: 1.1;
}
.document-element .body h2 a:hover {
  color:#dc2626;
}
.document-element .panel {
     background-color: #e2e8f0;
     padding: 5px;
     margin-top: 10px;
     -webkit-border-radius: var(--radius-md);
     -moz-border-radius: var(--radius-md);
     border-radius: var(--radius-md);
     -webkit-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     -moz-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     box-shadow:0 1px 1px rgba(15,23,42,0.08);
     margin-right: 10px;
}
 .document-element .info {
     float: left;
     font-size: 11px;
    /*position: relative;
     top: 5px;
    */
}
 .document-element .info .msg {
     margin-right: 20px;
     margin-left: 2px;
}
/* Document file */
 .document-file {
     margin-bottom: 170px;
}
 .document-file .thumbnail {
     float: left;
     background: #f8fafc;
     padding:4px;
     line-height:1;
     border:1px solid #e2e8f0;
     -webkit-border-radius: var(--radius-md);
     -moz-border-radius: var(--radius-md);
     border-radius: var(--radius-md);
     -webkit-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     -moz-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     box-shadow:0 1px 1px rgba(15,23,42,0.08);
     min-width: 100px;
}
 .document-file .thumbnail:hover {
     border-color:#cbd5e1;
     -webkit-box-shadow:0 1px 4px rgba(37,99,235,0.25);
     -moz-box-shadow:0 1px 4px rgba(37,99,235,0.25);
     box-shadow:0 1px 4px rgba(37,99,235,0.25);
}
 .document-file .thumbnail img {
     max-width:200px;
     max-height:250px;
}
 .document-file {
     background-color: var(--bg-surface);
}
 .document-file .body {
     vertical-align: top;
     float: left;
     width: 550px;
     margin-left: 10px;
}
 .document-file .body .text {
     padding: 7px 0px 5px 0px;
     color: #475569;
     text-align: justify;
}
 .document-file .body h2 {
     margin-top: 0;
     margin-bottom: 0px;
     text-align: justify;
}
 .document-file .body h2 a {
     font-weight:bold;
     color:#1e293b;
     text-rendering:optimizelegibility;
     line-height:20px;
     font-size:14px;
}
 .document-file .panel {
     background-color: #e2e8f0;
     padding: 5px;
     margin-top: 10px;
     -webkit-border-radius: var(--radius-md);
     -moz-border-radius: var(--radius-md);
     border-radius: var(--radius-md);
     -webkit-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     -moz-box-shadow:0 1px 1px rgba(15,23,42,0.08);
     box-shadow:0 1px 1px rgba(15,23,42,0.08);
     margin-bottom: 15px;
}
 .document-file .info {
     float: left;
     font-size: 11px;
}
 .document-file .info .msg {
     margin-right: 20px;
     margin-left: 2px;
}
 .select-types {
     padding: 0;
     margin: 0 auto;
}
 .select-types li {
     list-style: none;
     float: left;
     padding: 5px;
}
 .panel {
     padding: 1rem;
     margin-top: 3px;
     margin-bottom: 1.25rem;
}
 .panel h3 {
     margin-top: 0;
}
 .relations {
     margin: 0px;
     border-radius: var(--radius-md);
}
 .relations li {
     display:inline;
}
 .relations .divider {
     padding:0 5px;
     color:#64748b;
}
 .relations a {
     color:#1e293b;
}
 .relations a:hover {
     color:#dc2626;
}
 .relations-item {
     color: #64748b;
}
 .relations-item+.relations-item::before {
     display: inline-block;
     padding-right: 0.5rem;
     font-size: 17px;
     color: #cbd5e1;
     content: '›';
}
 .relations-item+.relations-item {
     padding-left: 0.5rem;
}
 .relations-item-active a {
     font-weight: 800
}
.relations-search a {
  color: #64748b;
}
 .btn {
  display: inline-block;
  font-weight: normal;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 15px;
  cursor: pointer;
}

.btn-primary {
  background-color: #2563eb;
  border-color: #2563eb;
  color: #f8fafc !important;
}
.btn-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8; 
}
.btn-primary:active {
  background-color: #1e40af;
  border-color: #1e40af; 
}

.btn-success {
  background-color: #16a34a;
  border-color: #16a34a;
  color: #f8fafc !important;
}
.btn-success:hover {
  background-color: #15803d;
  border-color: #15803d; 
}
.btn-success:active {
  background-color: #166534;
  border-color: #166534; 
}
.btn-danger {
  background-color: #dc2626;
  border-color: #dc2626;
  color: #f8fafc !important;
}
.btn-danger:hover {
  background-color: #dc2626;
  border-color: #dc2626; 
}
.btn.disabled, .btn:disabled {
  opacity: .65; 
  cursor: default;
  pointer-events: none;
}
.document-element .file-type {
  color: #f8fafc;
  padding: 2px 6px;
  font-size: 12px;
  font-weight: 700;
  color: #f8fafc;
  text-transform: uppercase;
  border-radius: var(--radius-md);
}
.document-element .file-type-lecture {
  background-color: #dc2626
}
.document-element .file-type-guideline {
  background-color: #dc2626
}
.document-element .file-type-dictionary {
  background-color: #f59e0b
}
.document-element .file-type-encyclopedia {
  background-color: #16a34a
}
.document-element .file-type-reference {
  background-color: #6d28d9
}
.document-element .file-type-standard {
  background-color: #ea580c
}
.document-element .file-type-patent {
  background-color: #0e7490
}
.document-element .file-type-blueprint {
  background-color: #1d4ed8
}
.document-element .file-type-curriculum {
  background-color: #b45309
}
.document-element .file-type-lp {
  background-color: #dc2626
}
.document-element .file-type-ctp {
  background-color: #f59e0b
}
.document-element .file-type-map {
  background-color: #65a30d
}
.document-element .file-type-control {
  background-color: #16a34a
}
.document-element .file-type-lab {
  background-color: #0d9488
}
.document-element .file-type-presentation {
  background-color: #14b8a6
}
.document-element .file-type-ref {
  background-color: #14b8a6
}
.document-element .file-type-course {
  background-color: #4f46e5
}
.document-element .file-type-question {
  background-color: #c026d3
}
.document-element .file-type-cheat {
  background-color: #c026d3
}
.document-element .file-type-test {
  background-color: #4338ca
}
.document-element .file-type-workbook {
  background-color: #4338ca
}
.document-element .file-type-paper {
  background-color: #7e22ce
}
.document-element .file-type-article {
  background-color: #475569
}
.document-element .file-type-degree {
  background-color: #2563eb
}
.document-element .file-type-report {
  background-color: #a21caf
}
.document-element .file-type-software {
  background-color: #0f172a
}
.letter-item {
  color: #1e293b;
  font: 700 12px/16px Roboto,sans-serif;
  text-transform: uppercase;
  border-bottom: 1px solid #cbd5e1;
  margin: 20px 0 5px 0;
  padding: 0 0 5px 10px;
  font-size: 16px;
}
.jumbotron {
  height: 185px; 
  background-repeat: no-repeat; 
  background-image: url(''); 
  background-size: cover; 
  background-position: center center; 
  width: 100%;  
  opacity: 1; 
  visibility: inherit; 
  background-color: #f8fafc;
  box-shadow: 0 0 8px 0 rgba(15,23,42,.15);
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  margin-top: 10px;
  border-radius: var(--radius-md);
  color: #f8fafc;
}
.jumbotron {
  font-size: 16px;
}
.jumbotron h1 {
  padding-bottom: 15px;
}
.jumbotron-container {
  padding: 25px;
}
.jumbotron-container ul {
  margin: 0;
  padding: 15px 0px 0px 0px;
}
.jumbotron-container li {
  display: inline-block;
  line-height: 22px;
  color: #f8fafc;
  margin-right: 24px;
}
.jumbotron-container li span {
  font-weight: bold;
  display: block;
}
/* Topbar */
.topbar {
  color: var(--header-text);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 12px 16px;
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.header-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-center {
  flex: 1;
  display: flex;
  min-width: 0;
}
.topbar-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.topbar-logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: var(--radius-md);
}
.header-search-form {
  width: 100%;
}
.header-right {
  display: flex;
  align-items: center;
  flex: 0 0 320px;
  max-width: 320px;
  margin-left: auto;
}
.topbar-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 6px;
}
.topbar-nav li {
  list-style: none;
  margin-top: 0;
}
.topbar-nav a {
  color: var(--header-text);
  text-transform: uppercase;
  font-weight: 600;
  -webkit-font-smoothing: antialiased;
  padding: 8px 10px;
}
.topbar-nav a:hover {
  background-color: var(--header-hover-bg);
  color: var(--header-text-strong);
  border-radius: var(--radius-md);
}
.topbar-search {
  float: right;
}
.topbar-search li {
  float: left;
  list-style: none;
  padding-left: 10px;
}
.topbar-search input {
  height: 27px;
}
.topbar-search .btn {
  font-size: 15px;
  line-height: 1.4;
}
.dotted {
  border-bottom: 1px dotted;
  cursor: pointer;
}
.searchbar {
  display: flex;
  width: 100%;
  gap: 10px;
  padding: 0;
  align-items: center;
}
.searchbar input {
  display: block;
  flex: 1;
  width: 100%;
  font-size: 15px;
  height: 35px;
}
.searchbar .input-btn {
  padding-left: 0;
  width: auto;
  display: block;
}
.searchbar .btn {
  height: 42px;
  position: relative;
  white-space: nowrap;
}
.searchbar-compact {
  position: relative;
  gap: 0;
}
.searchbar-compact input {
  padding-right: 40px;
  background: var(--header-search-bg);
  border: 1px solid var(--header-search-border);
}
.search-icon-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--header-text);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
}
.search-icon-btn:hover {
  color: var(--header-text-strong);
  background: var(--header-hover-bg);
}
@media screen and (max-width: 992px) {
  .header-main {
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
  }
  .header-center {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }
  .header-right {
    order: 2;
    flex: 1;
    max-width: none;
    margin-left: 0;
  }
}
@media screen and (max-width: 640px) {
  .topbar-inner {
    padding: 10px 12px;
  }
  .header-right {
    width: 100%;
  }
  .topbar-nav {
    gap: 2px;
  }
}
.pagination-layout {
  float: right;
    position: relative;
    left: -50%;
    text-align: left;
    margin-top: 20px;
    margin-bottom: 20px
}
.pagination-layout ul {
  position: relative;
    left: 50%;
}

.form {
  margin: 0 auto 0;
  width: 650px;
  padding-top: 20px;
}
.form .control-label {
  padding: 8px 10px 0px 0px;
  float: left;
  text-align: right;
  width: 170px;
  color: #64748b;
}
.form .form-group {
  margin-bottom: 15px;
}
.form .form-control {
  width: 350px;
  font-size: 14px;
  color: #1e293b;
}
.form .invalid-message {
  margin-left: 180px;
  color:#dc2626;
  position: relative;
  top: 3px;
}

.alert {
  position: relative;
  padding: 20px 15px 15px 15px;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}
.alert-success {
  color: #065f46;
  background-color: #dcfce7;
  border-color: #bbf7d0;
}
.alert-danger {
  color: #7f1d1d;
  background-color: #fee2e2;
  border-color: #fecaca;
}
.alert-info {
  color: #0c4a6e;
  background-color: #e0f2fe;
  border-color: #bae6fd;
}
.download_ads_1 {
  margin: 20px 0;
}
.categories-wrapper {
  width: 300px;
  padding-bottom: 25px;
}
.steps {
  text-align: center;
}
.categories-wrapper { 
  border-right: 0;
}
.circle {
  margin-top: 20px;
}
.g-recaptcha {
  display: inline-block;
  padding: 15px 0;
}

.step1 {
  display: none;
}
.step2 {
  display: none;
}
.step3 {
  display: none;
}
.step4 {
  display: none;
}

.btn i {
  position: relative;
  left: -5px;
  top: 1px;
}
.form-check-input {
  position: relative;
  top: 8x;
  margin-right: 3px;
}

.g-recaptcha {
  padding-top: 0;
}

.feedback-form .g-recaptcha {
  margin-left: 181px;
}

.nav {
  margin-left: 0;
  margin-bottom: 18px;
  list-style: none;
  border: 1px solid transparent;
}
.nav-list .hover {
  text-decoration:none;
  background-color:#f8fafc;
}
.nav-list {
  padding-left:14px;
  padding-right:14px;
  margin-bottom:0;
}
.nav-list > li > a, .nav-list .nav-header {
  display:block;
  padding:3px 15px;
  margin-left:-15px;
  margin-right:-15px;
}
.nav-list .nav-header {
  line-height:18px;
  color:#f8fafc;
  background-color: #2563eb;
  text-transform:uppercase;
  font-size: 14px;
}
.nav-list .nav-header:hover {
  color:#f8fafc;
  background-color: #2563eb;
}
.nav-list .active > a, .nav-list .active > a:hover {
  color:#f8fafc;
  text-shadow:0 -1px 0 rgba(15,23,42,0.2);
  background-color:#2563eb;
}
.nav-list [class^="icon-"] { margin-right:2px; }

.page-main, .page-sidebar {
  display: inline-block;
  vertical-align: top;
  padding: 10px;
  box-sizing: border-box;
}
.page-sidebar {
  width: 300px;
      border-right: 1px solid #dbe7f7;
}
.document-element .body .list-inline {
  margin-bottom: 15px;
}

/* File details page layout */
.file-page-layout {
  display: flex;
  align-items: flex-start;
}
.file-main {
  flex: 1;
  min-width: 0;
  padding-top: 10px;
}
.file-detail-card {
  width: 100%;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  grid-template-areas:
    "type type"
    "meta meta"
    "thumb ad"
    "thumb text"
    "actions actions";
  column-gap: 16px;
  row-gap: 10px;
  margin-top: -10px;
}
.file-detail-card > .file-type {
  grid-area: type;
  justify-self: start;
}
.file-detail-card > .list-inline {
  grid-area: meta;
  margin-left: 5px;
}
.file-detail-card > meta[itemprop="name"] {
  display: none;
}
.file-detail-card > .thumbnail {
  grid-area: thumb;
  float: none;
  margin-left: 5px;
  margin-bottom: 0;
}
.file-detail-card > .thumbnail img {
  width: 100%;
  max-width: 220px;
  height: auto;
  display: block;
}
.file-detail-card > .body {
  grid-area: ad;
  margin-left: 0;
  padding: 0;
}
.file-detail-card > .text {
  grid-area: text;
  margin-bottom: 0;
  padding: 0 5px 5px 0;
}
.file-detail-card > .clear {
  display: none;
}
.file-detail-card > div:last-of-type {
  grid-area: actions;
}
@media screen and (max-width:896px) {
  .page-sidebar {
    display: none !important;
  }
  .file-page-layout {
    display: block;
  }
  .page-main {
    width: 100%;
  }
  .file-detail-card {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "type"
      "meta"
      "thumb"
      "ad"
      "text"
      "actions";
    row-gap: 12px;
  }
  .file-detail-card > .thumbnail {
    margin: 0 auto;
    max-width: 220px;
  }
  .file-detail-card > .body {
    padding: 0 5px;
  }
  .file-detail-card > .text {
    padding: 0 5px;
  }
  .document-element .body {
    margin-left: 0px !important;
    clear: both;
  }
  .file-google-ads {
    max-width: 300px;
  }
  h1 {
    font-size: 25px;
  }   
  h2 {
    font-size: 1.4rem;
  }
  .document-element .body h2 a {
    font-size: 22px;
  }
  .document-element .thumbnail {
    float: none;
    margin-bottom: 10px;
  }
  .document-element .list-inline {
    font-size: 13px !important;
  }
  .view {
    margin-left: 4px;
  }
}
.desktop-ads {
  display: none;
}
/*@media screen and (min-width:900px) {
  .view {
    float: left;
    margin-left: 20px;
  }
  .desktop-ads {
    display: block;
    margin-top: 40px;
    position: absolute;
    margin-left: 850px;
    width: 300px;
  }
}

@media screen and (man-width:899px) {
  .desktop-ads {
    display: none;
  }
}*/
.top_ads_fixed {
  position: fixed;
  top: 0;
  z-index: 1000;
}
.view {
  -webkit-transform-origin: top left;
}
.pagination-layout {
  display: none
}
#form form {
  min-width: 300px !important;
  margin-bottom: 20px;
  margin-top: 5px;
}
.download-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
}
.download-modal.is-open {
  display: block;
}
.download-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.56);
}
.download-modal-dialog {
  position: relative;
  width: calc(100% - 32px);
  max-width: 460px;
  margin: 10vh auto 0;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.22);
  padding: 18px 18px 16px;
}
.download-modal-dialog h3 {
  margin: 0 28px 8px 0;
  color: #0f172a;
}
.download-modal-dialog p {
  margin: 0;
  color: #334155;
}
.download-modal-close {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: #475569;
  font-size: 24px;
  line-height: 1;
  width: 32px;
  height: 32px;
  cursor: pointer;
}
.download-modal-close:hover {
  background: #f1f5f9;
}
.download-modal-actions {
  margin-top: 14px;
}
.hmwk-widget {
  margin: 0 0 14px;
  padding: 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}
.hmwk-widget__head {
  margin-bottom: 10px;
}
.hmwk-widget__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-strong);
}
.hmwk-widget__subtitle {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-muted);
  text-align: left;
}
.hmwk-form {
  display: grid;
  gap: 10px;
}
.hmwk-hidden {
  display: none;
}
.hmwk-input {
  width: 100%;
  height: 38px;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  background: #fff;
  color: #0f172a;
}
.hmwk-input:focus {
  border-color: var(--accent);
}
.hmwk-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 20 20'%3E%3Cpath d='M5 7l5 6 5-6' fill='none' stroke='%2364758b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
}
.hmwk-input-error {
  border-color: #ef4444 !important;
}
.hmwk-consent {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--text-main);
}
.hmwk-consent input[type="checkbox"] {
  width: 16px;
  height: 16px;
  padding: 0;
  border-radius: 4px;
  margin-top: 2px;
}
.hmwk-consent label {
  line-height: 1.4;
}
.hmwk-consent a {
  color: var(--accent);
}
.hmwk-submit {
  width: 100%;
  height: 40px;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.hmwk-submit:hover {
  background: var(--accent-hover);
}