:root{
  --dal-primary:#163E5C;--dal-secondary:#256B78;--dal-accent:#D6A84B;
  --dal-bg:#F4F7FB;--dal-surface:#fff;--dal-soft:#EDF4F7;--dal-text:#17253A;
  --dal-muted:#667085;--dal-border:#DDE6EE;--dal-danger:#C9364B;--dal-success:#168A65;
  --dal-radius:22px;--dal-shadow:0 18px 46px rgba(15,35,60,.09);--dal-sidebar:272px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--dal-bg);color:var(--dal-text);font-family:'Cairo','Segoe UI',sans-serif;line-height:1.7}a{color:inherit}button,input,select,textarea{font:inherit}.dal-container{width:min(1180px,calc(100% - 32px));margin:auto}.dal-public-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--dal-border);backdrop-filter:blur(16px)}.dal-header-inner{min-height:78px;display:flex;align-items:center;gap:24px}.dal-brand{display:flex;align-items:center;gap:11px;text-decoration:none;min-width:max-content}.dal-brand img{width:48px;height:48px;object-fit:contain}.dal-brand strong,.dal-brand small{display:block}.dal-brand strong{font-size:1.06rem;font-weight:900}.dal-brand small{font-size:.72rem;color:var(--dal-muted);font-weight:700}.dal-public-nav{display:flex;align-items:center;gap:6px;margin-inline:auto}.dal-public-nav a{text-decoration:none;padding:10px 13px;border-radius:12px;font-weight:750;font-size:.9rem;color:#42536B}.dal-public-nav a:hover{background:var(--dal-soft);color:var(--dal-primary)}.dal-header-actions{display:flex;gap:8px}.dal-btn{border:0;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;text-decoration:none;font-weight:850;cursor:pointer;transition:.2s}.dal-btn:hover{transform:translateY(-1px)}.dal-btn-primary{background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));color:#fff;box-shadow:0 10px 22px rgba(22,62,92,.2)}.dal-btn-accent{background:linear-gradient(135deg,#E7C16E,var(--dal-accent));color:#243240}.dal-btn-ghost{background:#fff;color:var(--dal-primary);border:1px solid var(--dal-border)}.dal-btn-danger{background:#FFF0F2;color:var(--dal-danger)}.dal-btn-sm{padding:8px 12px;border-radius:10px;font-size:.82rem}.dal-mobile-menu{display:none;border:0;background:var(--dal-soft);width:44px;height:44px;border-radius:13px;color:var(--dal-primary)}
.dal-hero{position:relative;overflow:hidden;padding:68px 0 52px;background:linear-gradient(135deg,#F9FCFF 0%,#EDF5F6 55%,#FFF9EC 100%)}.dal-hero:before,.dal-hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.dal-hero:before{width:380px;height:380px;background:rgba(37,107,120,.08);top:-190px;left:-100px}.dal-hero:after{width:300px;height:300px;border:1px solid rgba(214,168,75,.3);bottom:-190px;right:-90px}.dal-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center;position:relative;z-index:1}.dal-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--dal-border);font-size:.8rem;font-weight:800;color:var(--dal-secondary)}.dal-hero h1{font-size:clamp(2.1rem,5vw,4.2rem);line-height:1.25;margin:18px 0 15px;font-weight:900;letter-spacing:-1.4px}.dal-hero h1 span{color:var(--dal-secondary)}.dal-hero p{font-size:1.06rem;color:var(--dal-muted);max-width:660px}.dal-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.dal-hero-card{background:rgba(255,255,255,.92);border:1px solid #fff;border-radius:30px;padding:24px;box-shadow:var(--dal-shadow);position:relative}.dal-hero-card:before{content:"";position:absolute;inset:12px;border:1px dashed rgba(37,107,120,.2);border-radius:23px;pointer-events:none}.dal-hero-visual{min-height:350px;display:grid;place-items:center;position:relative}.dal-hero-visual .main-icon{width:150px;height:150px;border-radius:42px;display:grid;place-items:center;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));color:#fff;font-size:4.5rem;box-shadow:0 25px 55px rgba(22,62,92,.25)}.dal-floating-pill{position:absolute;background:#fff;border:1px solid var(--dal-border);border-radius:15px;padding:10px 14px;box-shadow:0 12px 30px rgba(20,50,70,.1);font-size:.8rem;font-weight:800}.dal-floating-pill.one{top:34px;right:20px}.dal-floating-pill.two{bottom:38px;left:10px}.dal-floating-pill.three{top:145px;left:0}.dal-stats-strip{margin-top:-18px;position:relative;z-index:4}.dal-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--dal-border);border-radius:22px;box-shadow:var(--dal-shadow);overflow:hidden}.dal-stat{padding:21px;text-align:center;border-left:1px solid var(--dal-border)}.dal-stat:last-child{border-left:0}.dal-stat strong{font-size:1.8rem;color:var(--dal-primary);display:block}.dal-stat span{color:var(--dal-muted);font-size:.82rem;font-weight:700}.dal-section{padding:72px 0}.dal-section-soft{background:#EEF4F7}.dal-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.dal-section-head h2{margin:0;font-size:clamp(1.55rem,3vw,2.3rem);font-weight:900}.dal-section-head p{margin:4px 0 0;color:var(--dal-muted)}.dal-link{color:var(--dal-secondary);font-weight:850;text-decoration:none}.dal-grid{display:grid;gap:18px}.dal-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.dal-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.dal-card{background:#fff;border:1px solid var(--dal-border);border-radius:var(--dal-radius);box-shadow:0 10px 28px rgba(20,50,70,.06);overflow:hidden;transition:.22s}.dal-card:hover{transform:translateY(-4px);box-shadow:var(--dal-shadow)}.dal-card-body{padding:18px}.dal-card-cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));display:grid;place-items:center;color:#fff;font-size:2.5rem;overflow:hidden}.dal-card-cover img{width:100%;height:100%;object-fit:cover}.dal-card h3{margin:0 0 7px;font-size:1.02rem}.dal-card p{margin:0;color:var(--dal-muted);font-size:.84rem}.dal-card-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.dal-chip{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 9px;background:var(--dal-soft);color:var(--dal-secondary);font-size:.72rem;font-weight:800}.dal-course-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--dal-border);padding:13px 18px}.dal-price{font-weight:900;color:var(--dal-primary)}.dal-teacher-card{text-align:center;padding:24px}.dal-avatar{width:92px;height:92px;border-radius:28px;margin:0 auto 14px;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));display:grid;place-items:center;color:#fff;font-size:2.1rem;overflow:hidden}.dal-avatar img{width:100%;height:100%;object-fit:cover}.dal-grade-card{padding:22px;display:flex;align-items:center;gap:14px;text-decoration:none}.dal-grade-icon{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--dal-soft),#FFF8E7);display:grid;place-items:center;color:var(--dal-primary);font-size:1.35rem}.dal-public-footer{background:#112B42;color:#E6EEF5;padding-top:54px}.dal-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:38px}.dal-public-footer p{color:#B8C8D6;max-width:560px}.dal-public-footer h3{font-size:1rem}.dal-public-footer a,.dal-public-footer span{display:block;color:#C9D6E1;text-decoration:none;margin:7px 0;font-size:.86rem}.dal-brand-footer strong{color:#fff}.dal-brand-footer small{color:#AFC0CF}.dal-footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding:18px;color:#AFC0CF;font-size:.8rem}
.dal-page-hero{padding:42px 0;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));color:#fff}.dal-page-hero h1{margin:0;font-size:2.1rem}.dal-page-hero p{margin:6px 0 0;opacity:.8}.dal-filter-bar{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;background:#fff;border:1px solid var(--dal-border);padding:14px;border-radius:18px;margin:28px 0}.dal-input,.dal-select,.dal-textarea{width:100%;border:1.5px solid var(--dal-border);border-radius:13px;background:#fff;color:var(--dal-text);padding:12px 14px;outline:none}.dal-input:focus,.dal-select:focus,.dal-textarea:focus{border-color:var(--dal-secondary);box-shadow:0 0 0 4px rgba(37,107,120,.09)}.dal-textarea{min-height:120px;resize:vertical}.dal-empty{padding:42px;text-align:center;background:#fff;border:1px dashed var(--dal-border);border-radius:18px;color:var(--dal-muted)}
.dal-auth-page{min-height:100vh;background:linear-gradient(135deg,#EFF6FA,#FFF9ED);display:grid;place-items:center;padding:24px}.dal-auth-shell{width:min(990px,100%);display:grid;grid-template-columns:.9fr 1.1fr;background:#fff;border:1px solid var(--dal-border);border-radius:30px;overflow:hidden;box-shadow:var(--dal-shadow)}.dal-auth-visual{background:linear-gradient(145deg,var(--dal-primary),var(--dal-secondary) 68%,var(--dal-accent));color:#fff;padding:44px;display:flex;flex-direction:column;justify-content:space-between;min-height:620px}.dal-auth-visual h1{font-size:2.25rem;line-height:1.4}.dal-auth-benefits{display:grid;gap:12px}.dal-auth-benefit{display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:11px}.dal-auth-panel{padding:42px}.dal-auth-panel h2{margin:0;font-size:1.7rem}.dal-auth-panel>p{color:var(--dal-muted);margin:5px 0 25px}.dal-form-group{margin-bottom:15px}.dal-form-group label{display:block;font-size:.83rem;font-weight:800;margin-bottom:6px}.dal-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dal-form-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px}.dal-form-error{padding:11px 13px;background:#FFF1F2;color:#B4233D;border-radius:12px;margin-bottom:14px;display:none}.dal-form-error.show{display:block}.dal-otp-stage{display:none}.dal-otp-stage.active{display:block}
.dal-app-body{background:var(--dal-bg)}.dal-app-sidebar{position:fixed;right:0;top:0;width:var(--dal-sidebar);height:100vh;background:#fff;border-left:1px solid var(--dal-border);box-shadow:-12px 0 36px rgba(30,64,175,.07);z-index:120;display:flex;flex-direction:column}.dal-app-brand{padding:23px 18px;color:#fff;background:linear-gradient(145deg,var(--dal-primary),var(--dal-secondary) 66%,var(--dal-accent));text-align:center}.dal-app-brand img{width:58px;height:58px;filter:brightness(0) invert(1)}.dal-app-brand strong{display:block;font-size:1.05rem}.dal-app-brand small{opacity:.8}.dal-app-nav{padding:12px 10px;overflow:auto;flex:1}.dal-nav-link{display:flex;align-items:center;gap:11px;text-decoration:none;padding:11px 13px;border-radius:13px;color:#475569;font-size:.86rem;font-weight:780;margin:3px 0}.dal-nav-link i{width:24px;color:var(--dal-secondary);text-align:center}.dal-nav-link:hover,.dal-nav-link.active{background:linear-gradient(135deg,rgba(22,62,92,.09),rgba(37,107,120,.09));color:var(--dal-primary)}.dal-nav-link.active{box-shadow:inset -3px 0 0 var(--dal-accent)}.dal-app-user{padding:12px;border-top:1px solid var(--dal-border)}.dal-user-chip{display:flex;align-items:center;gap:10px;padding:10px;border-radius:13px;background:var(--dal-soft)}.dal-user-chip .dal-avatar{width:38px;height:38px;border-radius:12px;margin:0;font-size:1rem}.dal-user-chip strong,.dal-user-chip small{display:block}.dal-user-chip small{font-size:.68rem;color:var(--dal-muted)}.dal-app-main{margin-right:var(--dal-sidebar);padding:22px 24px 50px;min-height:100vh}.dal-app-topbar{position:sticky;top:10px;z-index:90;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.95);border:1px solid var(--dal-border);border-radius:18px;padding:13px 17px;box-shadow:0 10px 30px rgba(15,23,42,.06);margin-bottom:20px;backdrop-filter:blur(14px)}.dal-topbar-title{display:flex;align-items:center;gap:11px}.dal-topbar-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary));color:#fff}.dal-topbar-title h1{font-size:1.15rem;margin:0}.dal-topbar-title p{font-size:.72rem;color:var(--dal-muted);margin:2px 0 0}.dal-menu-button{display:none;width:44px;height:44px;border:0;border-radius:13px;background:var(--dal-soft);color:var(--dal-primary)}.dal-overlay{display:none;position:fixed;inset:0;background:rgba(4,14,25,.5);z-index:115}.dal-dashboard-hero{position:relative;overflow:hidden;border-radius:27px;padding:30px;background:linear-gradient(135deg,var(--dal-primary),var(--dal-secondary) 70%,var(--dal-accent));color:#fff;box-shadow:var(--dal-shadow)}.dal-dashboard-hero:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;border:1px solid rgba(255,255,255,.18);left:-80px;bottom:-150px}.dal-dashboard-hero h2{font-size:1.75rem;margin:0}.dal-dashboard-hero p{opacity:.82;margin:4px 0 0}.dal-dashboard-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0}.dal-dashboard-stat{background:#fff;border:1px solid var(--dal-border);border-top:4px solid var(--dal-secondary);border-radius:18px;padding:18px;box-shadow:0 8px 22px rgba(30,64,175,.05)}.dal-dashboard-stat:nth-child(2){border-top-color:var(--dal-accent)}.dal-dashboard-stat:nth-child(3){border-top-color:var(--dal-success)}.dal-dashboard-stat:nth-child(4){border-top-color:#8B5CF6}.dal-dashboard-stat i{color:var(--dal-secondary);font-size:1.2rem}.dal-dashboard-stat strong{display:block;font-size:1.8rem;color:var(--dal-primary);margin-top:6px}.dal-dashboard-stat span{font-size:.78rem;color:var(--dal-muted);font-weight:700}.dal-panel{background:#fff;border:1px solid var(--dal-border);border-radius:20px;padding:20px;box-shadow:0 10px 28px rgba(20,50,70,.05);margin-bottom:18px}.dal-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.dal-panel-head h3{margin:0;font-size:1.05rem}.dal-table-wrap{overflow:auto;border:1px solid var(--dal-border);border-radius:15px}.dal-table{width:100%;border-collapse:collapse;min-width:720px}.dal-table th{background:#F6F9FB;color:#4D5E72;text-align:right;padding:12px;font-size:.78rem}.dal-table td{padding:12px;border-top:1px solid #EDF1F5;font-size:.82rem}.dal-table tbody tr:hover td{background:#FBFDFF}.dal-badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:.7rem;font-weight:850;background:#EDF4F7;color:var(--dal-secondary)}.dal-badge.success{background:#EAF8F3;color:var(--dal-success)}.dal-badge.warning{background:#FFF7E6;color:#9A6A12}.dal-badge.danger{background:#FFF0F2;color:var(--dal-danger)}.dal-split{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.dal-action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.dal-action-card{padding:17px;border:1px solid var(--dal-border);border-radius:16px;text-decoration:none;background:#fff}.dal-action-card i{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--dal-soft);color:var(--dal-secondary);margin-bottom:10px}.dal-action-card strong{display:block}.dal-action-card span{font-size:.75rem;color:var(--dal-muted)}.dal-loader{padding:40px;text-align:center;color:var(--dal-muted)}.dal-toast-host{position:fixed;left:18px;top:18px;z-index:1000;display:grid;gap:8px}.dal-toast{min-width:260px;max-width:420px;background:#fff;border:1px solid var(--dal-border);border-right:4px solid var(--dal-secondary);border-radius:13px;padding:12px 14px;box-shadow:var(--dal-shadow);font-size:.82rem;font-weight:750}.dal-toast.error{border-right-color:var(--dal-danger)}.dal-toast.success{border-right-color:var(--dal-success)}.dal-video-shell{background:#08131D;border-radius:20px;overflow:hidden;position:relative;aspect-ratio:16/9;display:grid;place-items:center}.dal-video-shell iframe,.dal-video-shell video{width:100%;height:100%;border:0}.dal-watermark{position:absolute;z-index:5;background:rgba(8,19,29,.45);color:#fff;padding:5px 9px;border-radius:8px;font-size:.72rem;pointer-events:none;transition:all .7s ease}.dal-course-outline{display:grid;gap:10px}.dal-outline-section{border:1px solid var(--dal-border);border-radius:15px;overflow:hidden}.dal-outline-title{padding:13px 15px;background:#F7FAFC;font-weight:850}.dal-outline-item{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;border-top:1px solid var(--dal-border);font-size:.84rem}.dal-question{padding:18px;border:1px solid var(--dal-border);border-radius:17px;margin-bottom:12px}.dal-question h3{font-size:1rem}.dal-choice{display:flex;gap:9px;align-items:flex-start;padding:10px;border:1px solid var(--dal-border);border-radius:12px;margin:7px 0;cursor:pointer}.dal-choice:has(input:checked){border-color:var(--dal-secondary);background:var(--dal-soft)}
@media(max-width:1050px){.dal-grid-4{grid-template-columns:repeat(2,1fr)}.dal-grid-3{grid-template-columns:repeat(2,1fr)}.dal-dashboard-stats{grid-template-columns:repeat(2,1fr)}.dal-action-grid{grid-template-columns:repeat(2,1fr)}.dal-hero-grid{grid-template-columns:1fr}.dal-hero-card{display:none}.dal-public-nav{display:none;position:absolute;top:78px;right:16px;left:16px;background:#fff;border:1px solid var(--dal-border);border-radius:16px;padding:10px;box-shadow:var(--dal-shadow)}.dal-public-nav.open{display:grid}.dal-mobile-menu{display:inline-grid;place-items:center;margin-right:auto}.dal-header-actions{display:none}.dal-app-sidebar{transform:translateX(110%);transition:.25s}.dal-app-sidebar.open{transform:translateX(0)}.dal-app-main{margin-right:0;padding:15px}.dal-menu-button{display:inline-grid;place-items:center}.dal-overlay.open{display:block}.dal-split{grid-template-columns:1fr}}
@media(max-width:700px){.dal-container{width:min(100% - 20px,1180px)}.dal-hero{padding:42px 0}.dal-stats-grid{grid-template-columns:1fr 1fr}.dal-stat{border-bottom:1px solid var(--dal-border)}.dal-grid-4,.dal-grid-3{grid-template-columns:1fr}.dal-footer-grid{grid-template-columns:1fr}.dal-auth-shell{grid-template-columns:1fr}.dal-auth-visual{display:none}.dal-auth-panel{padding:28px 20px}.dal-form-row{grid-template-columns:1fr}.dal-filter-bar{grid-template-columns:1fr}.dal-dashboard-stats{grid-template-columns:1fr 1fr}.dal-action-grid{grid-template-columns:1fr}.dal-section{padding:48px 0}.dal-section-head{align-items:start;flex-direction:column}.dal-page-hero h1{font-size:1.6rem}}