/* ================================================
   04 - CORPORATE HUB
   Bölünmüş ekran masaüstü düzeni, yumuşak mavi ve gri renk
   paleti, düşük opaklıklı geniş yarıçaplı gölgeler, Roboto
   sans-serif, standart flex sütun konu görünümü, yapışkan
   tablo başlıkları, sekmeli içerik alanları, erişilebilirlik
   odaklı form etiketleri, kaydırmada ilerleme çubuğu,
   akordeon stili mobil alt forumlar
   ================================================ */

:root{
  --ch-bg:#F4F6F9;
  --ch-white:#FFFFFF;
  --ch-text:#1F2937;
  --ch-text2:#6B7280;
  --ch-primary:#2563EB;
  --ch-primary-light:#DBEAFE;
  --ch-primary-dark:#1D4ED8;
  --ch-border:#E5E7EB;
  --ch-border2:#D1D5DB;
  --ch-success:#059669;
  --ch-danger:#DC2626;
  --ch-warning:#D97706;
  --ch-radius:8px;
  --ch-shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --ch-shadow-lg:0 4px 6px rgba(0,0,0,.04),0 10px 15px rgba(0,0,0,.06);
  --ch-font:'Roboto',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--ch-bg);
  color:var(--ch-text);
  font:400 14px/1.6 var(--ch-font);
  -webkit-font-smoothing:antialiased;
}

/* Kaydırmada ilerleme çubuğu */
body::before{
  content:'';
  position:fixed;top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--ch-primary) var(--scroll,0%),transparent 0);
  z-index:9999;
}

h1{font-size:24px;font-weight:700;color:var(--ch-text);margin:0 0 8px}
h2{font-size:18px;font-weight:600;color:var(--ch-text);margin:0 0 8px}
h3{font-size:15px;font-weight:600;color:var(--ch-text);margin:0 0 6px}
a:link,a:visited{color:var(--ch-primary);text-decoration:none;transition:color .15s}
a:hover{color:var(--ch-primary-dark)}
a:focus-visible{outline:2px solid var(--ch-primary);outline-offset:2px;border-radius:2px}
img{max-width:100%;height:auto}

.ch-wrap{max-width:1240px;margin:0 auto;padding:0 24px}
#container{text-align:left}

/* == HEADER: İki satırlı kurumsal başlık == */
#ch-header-top{
  background:var(--ch-white);
  border-bottom:1px solid var(--ch-border);
  padding:12px 0;
}
.ch-header-top-inner{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.ch-logo{font:700 20px var(--ch-font);color:var(--ch-primary)}
.ch-logo a{color:inherit;text-decoration:none}
.ch-logo-sub{font-size:11px;color:var(--ch-text2);font-weight:400;margin-left:8px}

.ch-header-actions{display:flex;align-items:center;gap:12px;font-size:13px}
.ch-header-actions a{color:var(--ch-text2)}
.ch-header-actions a:hover{color:var(--ch-primary)}

/* Alt navigasyon: sekmeli görünüm */
#ch-nav{
  background:var(--ch-white);
  border-bottom:2px solid var(--ch-border);
  position:sticky;top:0;z-index:100;
  box-shadow:var(--ch-shadow);
}
.ch-nav-inner{display:flex;align-items:center;justify-content:space-between}
.ch-tabs{display:flex;list-style:none;gap:0}
.ch-tabs a{
  display:flex;align-items:center;gap:6px;
  padding:14px 20px;
  color:var(--ch-text2);
  font:500 13px var(--ch-font);
  border-bottom:2px solid transparent;
  margin-bottom:-2px;
  transition:all .15s;
}
.ch-tabs a:hover{color:var(--ch-primary);background:var(--ch-primary-light)}
.ch-tabs a.active{color:var(--ch-primary);border-bottom-color:var(--ch-primary);font-weight:600}
.ch-tabs a i{font-size:14px}

/* Arama - nav içinde */
.ch-nav-search{display:flex;align-items:center;padding:0 16px}
.ch-nav-search input{
  background:var(--ch-bg);border:1px solid var(--ch-border);border-radius:6px;
  padding:7px 12px 7px 32px;font:400 12px var(--ch-font);color:var(--ch-text);
  width:220px;outline:none;transition:border-color .15s;
}
.ch-nav-search input:focus{border-color:var(--ch-primary)}
.ch-nav-search i{position:relative;left:26px;color:var(--ch-text2);font-size:13px}

/* == BÖLÜNMÜŞ EKRAN LAYOUT: Sol geniş içerik + Sağ sidebar == */
.ch-split{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:24px;
  padding:24px 0;
  align-items:start;
}
.ch-main{min-width:0}
.ch-aside{position:sticky;top:60px}

/* == FORUM LİSTESİ: Kompakt profesyonel tablo == */
.ch-section{
  background:var(--ch-white);
  border:1px solid var(--ch-border);
  border-radius:var(--ch-radius);
  box-shadow:var(--ch-shadow);
  margin-bottom:20px;
  overflow:hidden;
}
.ch-section-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 18px;
  background:var(--ch-bg);
  border-bottom:1px solid var(--ch-border);
}
.ch-section-head h2{margin:0;font-size:14px;color:var(--ch-text);font-weight:600}
.ch-section-head a{font-size:12px;color:var(--ch-text2)}

/* Yapışkan tablo başlıkları */
.ch-table{width:100%;border-collapse:collapse}
.ch-table thead{position:sticky;top:48px;z-index:10}
.ch-table thead th{
  background:var(--ch-bg);
  padding:8px 16px;
  font:600 11px var(--ch-font);
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--ch-text2);
  text-align:left;
  border-bottom:2px solid var(--ch-border);
  white-space:nowrap;
}
.ch-table thead th.num{text-align:center;width:70px}
.ch-table thead th.last{width:160px}

.ch-table tbody tr{
  border-bottom:1px solid var(--ch-border);
  transition:background .1s;
}
.ch-table tbody tr:last-child{border-bottom:none}
.ch-table tbody tr:hover{background:#F9FAFB}

.ch-table td{padding:12px 16px;vertical-align:middle}
.ch-table td.num{text-align:center;font:600 14px var(--ch-font);color:var(--ch-text)}
.ch-table td.last{font-size:12px;color:var(--ch-text2)}
.ch-table td.last a{color:var(--ch-text);font-weight:500}

.ch-f-name{font:500 14px var(--ch-font);color:var(--ch-text)}
.ch-f-name a{color:var(--ch-text);text-decoration:none}
.ch-f-name a:hover{color:var(--ch-primary)}
.ch-f-desc{font-size:12px;color:var(--ch-text2);margin-top:2px}
.ch-f-icon{
  width:32px;height:32px;border-radius:6px;
  background:var(--ch-primary-light);
  color:var(--ch-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;margin-right:12px;vertical-align:middle;
  flex-shrink:0;
}

/* == SAĞ SIDEBAR WIDGETLERİ == */
.ch-widget{
  background:var(--ch-white);
  border:1px solid var(--ch-border);
  border-radius:var(--ch-radius);
  box-shadow:var(--ch-shadow);
  margin-bottom:16px;
  overflow:hidden;
}
.ch-widget-head{
  padding:10px 16px;
  background:var(--ch-bg);
  border-bottom:1px solid var(--ch-border);
  font:600 12px var(--ch-font);
  color:var(--ch-text);
  text-transform:uppercase;
  letter-spacing:.03em;
}
.ch-widget-body{padding:12px 16px;font-size:13px;color:var(--ch-text2)}
.ch-widget-body a{display:block;padding:6px 0;border-bottom:1px solid var(--ch-border);color:var(--ch-text)}
.ch-widget-body a:last-child{border-bottom:none}
.ch-widget-body a:hover{color:var(--ch-primary)}

.ch-stat-mini{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--ch-border)}
.ch-stat-mini:last-child{border-bottom:none}
.ch-stat-mini strong{color:var(--ch-primary);font-weight:600}

/* == KONU LİSTESİ: Flex sütun görünümü == */
.ch-thread-list{
  background:var(--ch-white);
  border:1px solid var(--ch-border);
  border-radius:var(--ch-radius);
  box-shadow:var(--ch-shadow);
  overflow:hidden;
  margin-bottom:16px;
}
.ch-tl-head{
  display:flex;align-items:center;
  padding:8px 16px;
  background:var(--ch-bg);
  border-bottom:2px solid var(--ch-border);
  font:600 11px var(--ch-font);
  text-transform:uppercase;letter-spacing:.04em;color:var(--ch-text2);
}
.ch-tl-head .col-main{flex:1}
.ch-tl-head .col-num{width:70px;text-align:center}
.ch-tl-head .col-last{width:150px}

.ch-tl-row{
  display:flex;align-items:center;
  padding:10px 16px;
  border-bottom:1px solid var(--ch-border);
  transition:background .1s;
}
.ch-tl-row:last-child{border-bottom:none}
.ch-tl-row:hover{background:#F9FAFB}
.ch-tl-row .col-main{flex:1;min-width:0}
.ch-tl-row .col-num{width:70px;text-align:center;font:600 13px var(--ch-font);color:var(--ch-text)}
.ch-tl-row .col-last{width:150px;font-size:12px;color:var(--ch-text2)}
.ch-tl-row .col-last a{color:var(--ch-text);font-weight:500}

.ch-tl-title{font:500 14px var(--ch-font);color:var(--ch-text)}
.ch-tl-title a{color:var(--ch-text)}.ch-tl-title a:hover{color:var(--ch-primary)}
.ch-tl-meta{font-size:11px;color:var(--ch-text2);margin-top:1px}
.ch-tl-meta a{color:var(--ch-text2)}.ch-tl-meta a:hover{color:var(--ch-primary)}

/* == MESAJ GÖRÜNÜMÜ: Profesyonel, temiz == */
.ch-post{
  background:var(--ch-white);
  border:1px solid var(--ch-border);
  border-radius:var(--ch-radius);
  box-shadow:var(--ch-shadow);
  margin-bottom:14px;
  overflow:hidden;
}
/* İki parçalı: Sol dar yazar kolonu + Sağ geniş içerik */
.ch-post-inner{display:flex}
.ch-post-sidebar{
  width:180px;
  padding:16px;
  background:var(--ch-bg);
  border-right:1px solid var(--ch-border);
  text-align:center;
  flex-shrink:0;
}
.ch-post-sidebar .ch-post-av{
  width:56px;height:56px;border-radius:50%;
  background:var(--ch-primary-light);
  margin:0 auto 8px;display:flex;align-items:center;justify-content:center;
  color:var(--ch-primary);font-weight:700;font-size:20px;overflow:hidden;
}
.ch-post-sidebar .ch-post-av img{width:100%;height:100%;object-fit:cover}
.ch-post-sidebar .ch-post-uname{font:600 13px var(--ch-font);color:var(--ch-text)}
.ch-post-sidebar .ch-post-uname a{color:var(--ch-text)}.ch-post-sidebar .ch-post-uname a:hover{color:var(--ch-primary)}
.ch-post-sidebar .ch-post-utitle{font-size:11px;color:var(--ch-text2);margin-top:2px}
.ch-post-sidebar .ch-post-ucount{font-size:11px;color:var(--ch-text2);margin-top:4px;padding-top:4px;border-top:1px solid var(--ch-border)}

.ch-post-main{flex:1;min-width:0;display:flex;flex-direction:column}
.ch-post-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px;
  border-bottom:1px solid var(--ch-border);
  font-size:12px;color:var(--ch-text2);
}
.ch-post-head a{color:var(--ch-text2)}
.ch-post-body{padding:18px 16px;line-height:1.75;flex:1}
.ch-post-foot{
  display:flex;justify-content:flex-end;gap:8px;
  padding:8px 16px;
  border-top:1px solid var(--ch-border);
  background:var(--ch-bg);
}
.ch-post-foot a{
  padding:5px 12px;border-radius:4px;
  font-size:12px;color:var(--ch-text2);
  border:1px solid var(--ch-border);
  transition:all .15s;
}
.ch-post-foot a:hover{border-color:var(--ch-primary);color:var(--ch-primary)}

/* == MYBB UYUMU == */
.navigation{background:var(--ch-white);border:1px solid var(--ch-border);border-radius:var(--ch-radius);padding:10px 16px;margin-bottom:16px;font-size:12px;color:var(--ch-text2);box-shadow:var(--ch-shadow)}
.navigation a{color:var(--ch-primary);font-weight:500}

.tborder{background:var(--ch-white);border:1px solid var(--ch-border);border-radius:var(--ch-radius);box-shadow:var(--ch-shadow);overflow:hidden;margin-bottom:16px}
.thead{background:var(--ch-bg);color:var(--ch-text);padding:10px 16px;font:600 12px var(--ch-font);text-transform:uppercase;letter-spacing:.03em;border-bottom:2px solid var(--ch-primary)}
.thead a{color:var(--ch-primary)}
.tcat{background:var(--ch-bg);color:var(--ch-text2);padding:6px 16px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--ch-border)}
.tcat a{color:var(--ch-text2)}
.trow1{background:var(--ch-white);padding:10px 16px;border-bottom:1px solid var(--ch-border)}
.trow2{background:#FAFBFC;padding:10px 16px;border-bottom:1px solid var(--ch-border)}
.trow1:hover,.trow2:hover{background:#F3F6FA}
.trow_shaded{background:#FEF2F2;padding:10px 16px;border-bottom:1px solid #FECACA}
.trow_selected{background:#FFFBEB;padding:10px 16px}
.trow_sep{background:var(--ch-bg);padding:4px 16px;font-size:10px;color:var(--ch-text2);font-weight:600;text-transform:uppercase;letter-spacing:.04em}

.post{background:var(--ch-white);border:1px solid var(--ch-border);border-radius:var(--ch-radius);box-shadow:var(--ch-shadow);margin-bottom:14px;overflow:hidden}
.post .post_author{padding:12px 16px;background:var(--ch-bg);border-bottom:1px solid var(--ch-border);font-size:13px}
.post .post_content{padding:18px 16px;line-height:1.75}
.post .post_controls{display:flex;justify-content:flex-end;gap:6px;padding:8px 16px;border-top:1px solid var(--ch-border);background:var(--ch-bg)}
.post .post_controls a{padding:5px 12px;border-radius:4px;font-size:12px;color:var(--ch-text2);border:1px solid var(--ch-border);transition:all .15s}
.post .post_controls a:hover{border-color:var(--ch-primary);color:var(--ch-primary)}
.post.classic .post_author{border-right:1px solid var(--ch-border);border-bottom:none;width:180px;vertical-align:top;background:var(--ch-bg)}
.postbit_buttons > a{padding:5px 12px;border-radius:4px;font-size:12px;color:var(--ch-text2);border:1px solid var(--ch-border);margin:2px;display:inline-block;transition:all .15s}
.postbit_buttons > a:hover{border-color:var(--ch-primary);color:var(--ch-primary)}

blockquote{background:var(--ch-primary-light);border-left:3px solid var(--ch-primary);padding:14px 18px;margin:14px 0;border-radius:0 var(--ch-radius) var(--ch-radius) 0;color:var(--ch-text);font-style:italic}
blockquote cite{display:block;font-weight:600;margin-bottom:6px;font-style:normal;color:var(--ch-primary)}
.codeblock{background:#1E293B;color:#E2E8F0;padding:14px;border-radius:var(--ch-radius);font:13px 'Fira Code',monospace;overflow-x:auto}

input.button,a.button{
  background:var(--ch-primary);color:#FFF;border:none;border-radius:6px;
  padding:9px 20px;font:500 13px var(--ch-font);
  cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;
}
input.button:hover,a.button:hover{background:var(--ch-primary-dark);box-shadow:var(--ch-shadow-lg)}
input.textbox,select,textarea{
  background:var(--ch-white);border:1px solid var(--ch-border2);border-radius:6px;
  padding:9px 12px;color:var(--ch-text);font:400 13px var(--ch-font);
  outline:none;transition:border-color .15s;
}
input.textbox:focus,select:focus,textarea:focus{border-color:var(--ch-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea{resize:vertical;min-height:120px}
fieldset{border:1px solid var(--ch-border);border-radius:var(--ch-radius);padding:14px;margin:8px 0}
legend{color:var(--ch-primary);font:600 12px var(--ch-font);padding:0 6px}

.popup_menu{background:var(--ch-white);border:1px solid var(--ch-border);border-radius:var(--ch-radius);box-shadow:var(--ch-shadow-lg);min-width:200px;overflow:hidden}
.popup_item{padding:9px 14px;display:block;color:var(--ch-text);font-size:13px;transition:background .1s}
.popup_item:hover{background:var(--ch-primary-light);color:var(--ch-primary)}

.pagination{display:flex;gap:4px;margin:12px 0;flex-wrap:wrap}
.pagination a,.pagination .current{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;border-radius:4px;font:500 12px var(--ch-font)}
.pagination a{background:var(--ch-white);border:1px solid var(--ch-border);color:var(--ch-text)}
.pagination a:hover{background:var(--ch-primary);color:#FFF;border-color:var(--ch-primary)}
.pagination .current{background:var(--ch-primary);color:#FFF}

.red_alert{background:#FEF2F2;border:1px solid #FECACA;border-left:3px solid var(--ch-danger);padding:10px 14px;border-radius:0 var(--ch-radius) var(--ch-radius) 0;color:var(--ch-danger);font-size:13px;margin:10px 0}
.pm_alert{background:var(--ch-primary-light);border:1px solid #93C5FD;border-left:3px solid var(--ch-primary);padding:10px 14px;border-radius:0 var(--ch-radius) var(--ch-radius) 0;color:var(--ch-primary);font-size:13px;margin:10px 0}

/* Footer */
.ch-footer{background:var(--ch-white);border-top:1px solid var(--ch-border);padding:20px 0;margin-top:32px}
.ch-footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--ch-text2)}
.ch-footer a{color:var(--ch-primary)}
.ch-footer-copy{text-align:center;padding:10px 0;font-size:11px;color:var(--ch-text2);border-top:1px solid var(--ch-border);margin-top:12px}

.forum_status{width:32px;text-align:center;font-size:14px}
.forum_on{color:var(--ch-success)}.forum_off,.forum_offlock,.forum_offlink{color:var(--ch-border2)}
.subforumicon{display:inline-block;margin:0 3px}.subforum_minion{color:var(--ch-primary)}
.usercp_nav_item,.modcp_nav_item{display:block;padding:8px 12px;border-radius:4px;color:var(--ch-text);font-size:13px;transition:background .1s}
.usercp_nav_item:hover,.modcp_nav_item:hover{background:var(--ch-primary-light);color:var(--ch-primary)}
.usercp_container{margin:8px;padding:10px}
.usercp_avatar{width:64px;height:64px;border-radius:50%;border:2px solid var(--ch-border)}
.editor_control_bar{background:var(--ch-bg);padding:6px;border:1px solid var(--ch-border);border-radius:var(--ch-radius) var(--ch-radius) 0 0}
.scaleimages img{max-width:100%;border-radius:4px}
.pollbar{height:16px;border-radius:4px;background:var(--ch-primary)}
.hidden{display:none}.hiddenrow{display:none}.selectall{text-align:center}.no_bottom_border{border-bottom:0}
.tfixed{table-layout:fixed;word-wrap:break-word}.smalltext{font-size:12px;color:var(--ch-text2)}.largetext{font-size:18px;font-weight:600}
.pmspace{float:right;margin:-3px 5px}
.pmspace_container{height:4px;background:var(--ch-border);border-radius:2px;overflow:hidden}
.pmspace_container .pmspace_used{background:var(--ch-primary);height:100%;border-radius:2px}
.reputation_positive{color:var(--ch-success);font-weight:600}
.reputation_negative{color:var(--ch-danger);font-weight:600}
.reputation_neutral{color:var(--ch-text2);font-weight:600}
.thread_status{display:inline-block;width:16px;height:16px}
.star_rating_container{display:inline-block}.star_rating{display:inline-block;height:16px;background-repeat:no-repeat}
.showthread_spinner{width:100%;text-align:center;padding:16px}
#quick_login .remember_me input{vertical-align:middle;margin:-3px 0 0 5px}
.modqueue_controls{float:right;background:var(--ch-white);border:1px solid var(--ch-border);border-radius:4px;padding:6px;font-weight:600;font-size:12px}

@media(max-width:900px){
  .ch-split{grid-template-columns:1fr}
  .ch-aside{position:static}
  .ch-post-inner{flex-direction:column}
  .ch-post-sidebar{width:100%;border-right:none;border-bottom:1px solid var(--ch-border);padding:12px;display:flex;align-items:center;gap:12px;text-align:left}
  .ch-post-sidebar .ch-post-av{margin:0}
}
@media(max-width:640px){
  .ch-tabs{overflow-x:auto;scrollbar-width:none}
  .ch-tabs::-webkit-scrollbar{display:none}
  .ch-tabs a{white-space:nowrap;padding:12px 14px;font-size:12px}
  .ch-nav-search{display:none}
  .ch-tl-row .col-num,.ch-tl-row .col-last,.ch-tl-head .col-num,.ch-tl-head .col-last{display:none}
  .ch-table thead th.num,.ch-table thead th.last,.ch-table td.num,.ch-table td.last{display:none}
  .post.classic .post_author{display:block;width:100%;border-right:none;border-bottom:1px solid var(--ch-border)}
}
@media print{
  #ch-header-top,#ch-nav,.ch-aside,.ch-footer,.ch-post-foot,.post_controls,.pagination{display:none!important}
  body{background:#fff;color:#000}body::before{display:none}
  .ch-split{grid-template-columns:1fr}
  .ch-post-inner{flex-direction:column}
  .ch-post-sidebar{width:100%;border-right:none}
}