:root{--sidebar-w:230px;--sidebar-bg:#2c3e50;--bg:#0c1427;--panel:#111d34;--panel-2:#17243e;--line:rgba(255,255,255,.08);--text:#edf3ff;--muted:#93a2bf;--green:#1abc9c;--blue:#4d73ff;--gold:#f3bd27;--danger:#ff5d6c;--shadow:0 16px 42px rgba(0,0,0,.24)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif}.admin-body{background:linear-gradient(180deg,#0b1325,#111b31);color:var(--text)}a{text-decoration:none;color:inherit}.admin-sidebar{--sidebar-bg:#2c3e50;position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);height:100vh;background:var(--sidebar-bg);padding:10px;color:#fff;overflow-y:auto;z-index:2000;box-shadow:8px 0 30px rgba(0,0,0,.14)}.sidebar-user{text-align:center;position:relative;padding:4px 4px 18px;border-bottom:1px solid rgba(255,255,255,.09)}.sidebar-avatar{width:108px;height:108px;border-radius:50%;object-fit:cover;background:#fff;border:3px solid #fff;box-shadow:0 9px 28px rgba(0,0,0,.28);margin:0 auto}.sidebar-user h2{font-size:15px;margin:8px 0 0}.sidebar-user small{display:block;color:#c9d7e8;font-size:11px;margin-top:3px}.sidebar-status{font-size:11px;color:#4ade80;font-weight:700}.sidebar-status span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22c55e;margin-right:4px}.sidebar-mini-button{position:absolute;right:12px;width:28px;height:28px;border:0;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:#fff;font-size:12px}.sidebar-mini-button.edit{top:13px;background:#f2b91f;color:#352600}.sidebar-mini-button.theme{top:48px;background:#1abc9c}.sidebar-nav{padding-top:12px}.sidebar-nav>a,.sidebar-department,.sidebar-submenu a{width:100%;display:flex;align-items:center;gap:9px;border:0;color:#fff;background:transparent;text-align:left;padding:8px 10px;border-radius:6px;margin:3px 0;font-size:12.5px;cursor:pointer}.sidebar-nav>a:hover,.sidebar-department:hover,.sidebar-submenu a:hover,.sidebar-nav .active{background:#1abc9c;color:#fff}.sidebar-direct i,.sidebar-department>i:first-child{width:16px;color:#5eead4}.sidebar-nav .active i,.sidebar-nav>a:hover i,.sidebar-department:hover>i:first-child{color:#fff}.sidebar-department span{flex:1}.sidebar-department .arrow{font-size:10px;transition:.2s}.sidebar-department.open .arrow{transform:rotate(180deg)}.sidebar-submenu{display:none;padding-left:10px}.sidebar-submenu.show{display:block}.sidebar-submenu a{font-size:11.5px;padding:7px 9px 7px 14px;color:#e1ebf5}.sidebar-submenu a i{width:15px;color:#f3bd27}.sidebar-direct.logout{margin-top:14px!important;color:#ffd8d8}.sidebar-direct.logout i{color:#ffb1b7}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:1900}.mobile-sidebar-button{display:none;position:fixed;left:12px;top:12px;z-index:2100;border:0;border-radius:8px;background:#111827;color:#fff;width:39px;height:39px}.admin-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}.admin-topbar{min-height:76px;padding:13px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:rgba(11,19,37,.88);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.topbar-eyebrow{color:#5eead4;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;font-weight:800}.admin-topbar h1{font-size:22px;margin:2px 0 0}.topbar-right{display:flex;align-items:center;gap:15px}.topbar-link{border:1px solid var(--line);background:#16213b;border-radius:9px;padding:9px 13px;font-size:12px}.topbar-profile{display:flex;align-items:center;gap:9px}.topbar-profile>span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#4d73ff;font-weight:900}.topbar-profile strong,.topbar-profile small{display:block}.topbar-profile strong{font-size:12px}.topbar-profile small{font-size:10px;color:var(--muted)}.admin-content{padding:24px;flex:1}.admin-footer{font-size:10px;color:#9db0d0;padding:8px 20px;border-top:1px solid var(--line);background:#0a1222}.admin-footer a{color:#72a5ff;font-weight:800}.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;display:flex;gap:9px;align-items:center;font-size:13px}.alert.success{background:rgba(31,201,127,.13);border:1px solid rgba(31,201,127,.35);color:#84efbd}.alert.error{background:rgba(255,93,108,.13);border:1px solid rgba(255,93,108,.35);color:#ffabb3}.dashboard-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:17px}.stat-card{grid-column:span 3;border-radius:14px;padding:18px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-30px;top:-30px;background:rgba(255,255,255,.12)}.stat-card.blue{background:linear-gradient(135deg,#365fff,#527cff)}.stat-card.green{background:linear-gradient(135deg,#00a76f,#12c78c)}.stat-card.purple{background:linear-gradient(135deg,#8b3eff,#b151ef)}.stat-card.orange{background:linear-gradient(135deg,#ff8f18,#ffab25)}.stat-card h3{margin:0;font-size:11px}.stat-card strong{display:block;font-size:28px;margin-top:3px}.stat-card i{font-size:25px;background:rgba(255,255,255,.15);width:46px;height:46px;border-radius:13px;display:grid;place-items:center}.admin-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:var(--shadow)}.admin-card h2,.admin-card h3{margin-top:0}.span-4{grid-column:span 4}.span-6{grid-column:span 6}.span-8{grid-column:span 8}.span-12{grid-column:span 12}.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.quick-link{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:15px;display:flex;gap:12px;align-items:center;transition:.2s}.quick-link:hover{transform:translateY(-3px);border-color:#4d73ff}.quick-link i{width:42px;height:42px;border-radius:11px;background:#253352;display:grid;place-items:center;color:#f3bd27}.quick-link strong{display:block;font-size:13px}.quick-link small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:17px}.section-title h2{margin:0;font-size:18px}.section-title p{margin:4px 0 0;color:var(--muted);font-size:12px}.button,.button-secondary,.button-danger{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:10px 15px;font-weight:800;font-size:12px;cursor:pointer}.button{background:#4d73ff;color:#fff}.button:hover{background:#365bdd}.button-secondary{background:#24324f;color:#fff;border:1px solid var(--line)}.button-danger{background:#b83242;color:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.form-group{display:flex;flex-direction:column;gap:7px}.form-group.full{grid-column:1/-1}.form-group label{font-size:11px;font-weight:800;color:#cbd6ea}.form-control,.form-select,.form-textarea{width:100%;border:1px solid rgba(255,255,255,.13);background:#0f1930;color:#fff;border-radius:9px;padding:11px 12px;font:inherit;font-size:12px;outline:none}.form-control:focus,.form-select:focus,.form-textarea:focus{border-color:#4d73ff;box-shadow:0 0 0 3px rgba(77,115,255,.12)}.form-textarea{min-height:120px;resize:vertical}.help-text{font-size:10px;color:var(--muted)}.form-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}.table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:760px}.admin-table th,.admin-table td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:11px;vertical-align:middle}.admin-table th{color:#9eb0ce;text-transform:uppercase;letter-spacing:.5px;font-size:9px}.admin-table img{width:88px;height:62px;object-fit:contain;background:#071120;border-radius:8px}.status-pill{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:9px;font-weight:900}.status-pill.active{background:rgba(31,201,127,.14);color:#62e1a5}.status-pill.inactive{background:rgba(255,93,108,.14);color:#ff8d98}.inline-form{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.inline-form input[type="number"]{width:70px}.preview-logo{width:110px;height:110px;object-fit:contain;background:#fff;border-radius:15px;padding:6px}.fixed-note{background:rgba(243,189,39,.12);border:1px solid rgba(243,189,39,.32);color:#f8d66b;padding:13px;border-radius:10px;font-size:12px}.content-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:17px}.content-tabs a{padding:8px 12px;border-radius:8px;background:#1a2946;font-size:11px}.content-tabs a:hover{background:#4d73ff}.card-editor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.editor-card{background:#101b32;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:13px;padding:15px}.editor-card h4{margin:0 0 7px;font-size:14px}.editor-card p{color:var(--muted);font-size:11px;min-height:50px}.editor-card-actions{display:flex;gap:7px;flex-wrap:wrap}.course-editor{border-left:4px solid var(--accent);background:#101b32;border-radius:12px;padding:16px;margin-bottom:13px}.course-editor h4{margin:0 0 4px}.course-editor small{color:var(--muted)}.course-editor pre{white-space:pre-wrap;font-family:inherit;color:#b9c6da;font-size:10px;background:#0b1428;padding:10px;border-radius:8px}.upload-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.media-card{background:#101b32;border:1px solid var(--line);border-radius:13px;overflow:hidden}.media-preview{height:230px;background:#071120;display:grid;place-items:center;overflow:hidden}.media-preview img{width:100%;height:100%;object-fit:contain}.media-card-body{padding:14px}.media-card-body h4{margin:0 0 5px}.media-card-body p{color:var(--muted);font-size:10px;margin:0 0 10px}.media-actions{display:flex;gap:7px;flex-wrap:wrap}.checkbox-line{display:flex;gap:8px;align-items:center;font-size:11px}.empty-admin{text-align:center;padding:35px;color:var(--muted);border:2px dashed rgba(255,255,255,.12);border-radius:13px}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 15% 20%,rgba(26,188,156,.22),transparent 30%),radial-gradient(circle at 85% 15%,rgba(77,115,255,.25),transparent 32%),linear-gradient(135deg,#071323,#10223c);padding:24px}.login-card{width:min(420px,100%);background:rgba(17,29,52,.92);border:1px solid rgba(255,255,255,.11);border-radius:20px;padding:32px;box-shadow:0 24px 70px rgba(0,0,0,.42);backdrop-filter:blur(12px);color:#fff}.login-logo{width:100px;height:100px;object-fit:contain;background:#fff;border-radius:50%;padding:4px;margin:0 auto 14px}.login-card h1{text-align:center;font-size:24px;margin:0}.login-card>p{text-align:center;color:#9eb0ce;font-size:12px;margin:6px 0 22px}.login-card .form-group{margin-bottom:13px}.login-card button{width:100%;margin-top:8px}.login-back{text-align:center;margin-top:16px;font-size:11px;color:#9eb0ce}.login-error{background:rgba(255,93,108,.15);border:1px solid rgba(255,93,108,.35);color:#ffabb3;border-radius:9px;padding:10px;font-size:11px;margin-bottom:14px}
@media(max-width:1100px){.stat-card{grid-column:span 6}.span-4,.span-8{grid-column:span 6}.card-editor-grid,.upload-card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.admin-sidebar{left:calc(-1 * var(--sidebar-w));transition:.25s}.admin-sidebar.mobile-open{left:0}.sidebar-overlay.show{display:block}.mobile-sidebar-button{display:block}.admin-main{margin-left:0}.admin-topbar{padding-left:62px}.topbar-link{display:none}.admin-content{padding:15px}.stat-card,.span-4,.span-6,.span-8,.span-12{grid-column:1/-1}.form-grid,.card-editor-grid,.upload-card-grid{grid-template-columns:1fr}.quick-grid{grid-template-columns:1fr}.topbar-profile div{display:none}}

/* =========================================================
   FINAL LIGHT-BLUE ADMIN THEME (SALARY SHEET INSPIRED)
   Sidebar design intentionally remains unchanged.
   ========================================================= */
.admin-body{
  --bg:#eef6ff;
  --panel:#ffffff;
  --panel-2:#f8fbff;
  --text:#0f2743;
  --muted:#5f7690;
  --line:#9dbce0;
  --shadow:0 12px 30px rgba(20,77,133,.10);
  background:#eef6ff;
  color:#0f2743;
}
.admin-main{background:#eef6ff}
.admin-topbar{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid #9dbce0;
  box-shadow:0 5px 16px rgba(20,77,133,.08);
  color:#0a3d7a;
}
.topbar-eyebrow{color:#0d6fb8}
.admin-topbar h1{color:#0a3d7a}
.topbar-link{background:#eef5ff;border-color:#9dbce0;color:#0a3d7a}
.topbar-profile small{color:#66809e}
.admin-content{background:#eef6ff}
.admin-footer{background:#fff;border-top-color:#9dbce0;color:#5f7690}
.admin-footer a{color:#0b65a8}
.admin-card{
  color:#0f2743;
  background:linear-gradient(180deg,#d7e9ff 0,#edf6ff 100%);
  border:1px solid #7aa6d8;
  box-shadow:0 12px 28px rgba(20,77,133,.10);
}
.admin-card h2,.admin-card h3,.section-title h2{color:#0a3d7a}
.section-title p,.help-text{color:#5f7690}
.quick-link{
  background:#fff;
  border-color:#9dbce0;
  color:#0f2743;
}
.quick-link:hover{background:#f6fbff;border-color:#3e86ca}
.quick-link i{background:#e3f0ff;color:#0a64ad}
.quick-link small{color:#607993}
.form-group label{color:#0a3d7a}
.form-control,.form-select,.form-textarea{
  background:#fff;
  color:#102a43;
  border:1px solid #7aa6d8;
}
.form-control:focus,.form-select:focus,.form-textarea:focus{
  border-color:#0d6efd;
  box-shadow:0 0 0 3px rgba(13,110,253,.13);
}
.button{background:#0d6efd;color:#fff}
.button:hover{background:#0b5ed7}
.button-secondary{background:#fff;color:#0a3d7a;border-color:#7aa6d8}
.admin-table th{color:#0a3d7a;background:#eaf3ff}
.admin-table td{color:#203d59;border-bottom-color:#b7cde5}
.admin-table img{background:#fff}
.content-tabs a{background:#dbeafe;color:#0a3d7a;border:1px solid #9dbce0}
.content-tabs a:hover{background:#0d6efd;color:#fff}
.editor-card,.course-editor,.media-card{
  background:#fff;
  color:#102a43;
  border-color:#9dbce0;
}
.editor-card p,.course-editor small,.media-card-body p{color:#617891}
.course-editor pre{background:#eef5ff;color:#27445f}
.media-preview{background:#eaf3ff}
.fixed-note{background:#fff8dd;border-color:#e4c95a;color:#6d560c}
.preview-header-bg{width:100%;max-width:360px;height:130px;object-fit:cover;border-radius:10px;border:1px solid #7aa6d8;background:#fff}
.empty-preview{min-height:90px;display:grid;place-items:center;border:1px dashed #7aa6d8;border-radius:10px;background:#f8fbff;color:#617891;font-size:12px}

/* Restored split login design */
.login-page{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:28px;
  background:linear-gradient(135deg,#002f19,#0a7543);
}
.login-shell{
  width:min(1000px,100%);
  display:grid;
  grid-template-columns:1.08fr .92fr;
  background:#fff;
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 25px 80px rgba(0,0,0,.30);
}
.login-brand-panel{
  padding:58px;
  color:#fff;
  background:linear-gradient(145deg,rgba(3,70,37,.96),rgba(9,119,73,.94));
  position:relative;
  overflow:hidden;
}
.login-brand-panel::after{content:"";position:absolute;width:330px;height:330px;border:65px solid rgba(255,255,255,.07);border-radius:50%;right:-175px;bottom:-175px}
.login-brand-logo{width:118px;height:118px;object-fit:contain;background:#fff;border-radius:50%;padding:7px;position:relative;z-index:1}
.login-brand-panel h1{font-size:39px;line-height:1.14;margin:24px 0 13px;position:relative;z-index:1}
.login-brand-panel p{color:#d8efe2;margin:0;position:relative;z-index:1}
.login-brand-panel a{display:inline-block;margin-top:30px;color:#ffd365;font-weight:800;position:relative;z-index:1}
.login-form-panel{padding:58px;color:#102a43;background:#fff}
.login-form-panel .login-eyebrow{display:block;color:#08783f;text-transform:uppercase;letter-spacing:1.4px;font-size:11px;font-weight:900}
.login-form-panel h2{font-size:31px;margin:6px 0 4px;color:#063d24}
.login-form-panel>p{color:#718078;margin:0 0 28px}
.login-form-panel .form-group{margin-bottom:17px}
.login-form-panel .form-group label{color:#244a35;font-size:13px}
.login-form-panel .form-control{font-size:15px;padding:13px;background:#fff;color:#17221b;border-color:#b9ccc0}
.login-form-panel .button{width:100%;margin-top:8px;background:#08783f}
.login-form-panel .button:hover{background:#056735}
.login-error{background:#fff0f0;border:1px solid #efbcbc;color:#a51d1d;border-radius:9px;padding:11px;font-size:12px;margin-bottom:16px}

@media(max-width:760px){
  .login-page{padding:14px}
  .login-shell{grid-template-columns:1fr;border-radius:18px}
  .login-brand-panel{padding:31px}
  .login-brand-panel h1{font-size:28px}
  .login-brand-logo{width:85px;height:85px}
  .login-form-panel{padding:31px}
}