:root{--primary:#0B3A82;--primary-dark:#082B5F;--primary-soft:#EAF2FF;--ink:#102A43;--muted:#6B7C93;--border:#E7ECF2;--surface:#fff;--background:#F5F8FC;--success:#159455;--warning:#B7791F;--danger:#C53030;--radius:18px;--shadow:0 10px 30px rgba(16,42,67,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI",Tahoma,Arial,sans-serif;background:var(--background);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}img{max-width:100%}.app-shell{min-height:100vh;display:flex}.sidebar{width:270px;background:#082B5F;color:#fff;padding:24px 18px;position:fixed;inset:0 auto 0 0;z-index:30;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;margin-bottom:30px;padding:0 8px}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#1D4ED8,#0B3A82);font-weight:800}.brand small{color:#B9CDEA;display:block;margin-top:3px}.nav-label{color:#7696C0;text-transform:uppercase;font-size:11px;letter-spacing:.12em;margin:24px 10px 10px}.nav-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;color:#D8E7FA;margin:5px 0;transition:.18s}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.1);color:#fff}.nav-icon{width:23px;text-align:center}.sidebar-user{margin-top:28px;padding:14px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.04)}.main{margin-left:270px;width:calc(100% - 270px);min-height:100vh}.topbar{height:74px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 34px}.topbar-actions{display:flex;align-items:center;gap:12px}.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-weight:800}.content{padding:32px 34px 50px;max-width:1500px;margin:auto}.page-title{margin:0;font-size:28px;letter-spacing:-.02em}.page-subtitle{color:var(--muted);margin:7px 0 0}.header-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}.grid{display:grid;gap:18px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 2px 7px rgba(16,42,67,.035);padding:22px}.stat-card{position:relative;overflow:hidden}.stat-card:after{display:none!important;content:none!important}.stat-label{color:var(--muted);font-size:14px}.stat-value{font-size:30px;font-weight:800;margin-top:8px;letter-spacing:-.03em}.stat-meta{margin-top:6px;color:var(--muted);font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:10px 15px;font-weight:700;cursor:pointer;transition:.18s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-light{background:var(--primary-soft);color:var(--primary)}.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--border)}.btn-block{width:100%}.progress{height:8px;background:#EAF0F7;border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--primary);border-radius:inherit}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-card{padding:0;overflow:hidden}.course-cover{aspect-ratio:16/8;background:linear-gradient(135deg,#0B3A82,#48A9FF);position:relative;display:flex;align-items:flex-end;padding:18px;color:#fff}.course-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.course-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,24,54,.55),transparent 70%)}.course-cover>*{position:relative;z-index:1}.course-body{padding:20px}.course-title{font-weight:800;font-size:18px;margin:0 0 8px}.meta{color:var(--muted);font-size:14px}.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:99px;font-size:12px;font-weight:800}.badge-blue{background:var(--primary-soft);color:var(--primary)}.badge-green{background:#EAFBF2;color:var(--success)}.badge-yellow{background:#FFF8E6;color:var(--warning)}.badge-red{background:#FFF1F1;color:var(--danger)}.badge-gray{background:#EFF3F7;color:#60758A}.section-title{font-size:18px;margin:0 0 16px}.list{display:flex;flex-direction:column;gap:10px}.list-item{border:1px solid var(--border);border-radius:14px;padding:15px 16px;display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff}.two-col{grid-template-columns:minmax(0,2fr) minmax(300px,1fr)}.course-outline .section-block+.section-block{margin-top:14px}.section-head{font-weight:800;padding:12px 0}.lesson-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 13px;border-radius:11px;color:#334E68}.lesson-row:hover{background:#F6F9FD}.lesson-row.completed{color:var(--success)}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px}.lesson-sidebar{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow:auto}.video-frame{width:100%;aspect-ratio:16/9;border:0;border-radius:16px;background:#0A1730}.video-element{width:100%;border-radius:16px;background:#0A1730}.rich-text{line-height:1.8;color:#29445E}.content-block+.content-block{margin-top:18px}.file-box{border:1px dashed #B8C8D9;background:#F9FBFD;border-radius:14px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:15px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;background:#FAFCFE}tr:last-child td{border-bottom:0}.form-group{margin-bottom:16px}label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}.input,textarea,select{width:100%;border:1px solid #D7E0EA;background:#fff;color:var(--ink);border-radius:11px;padding:11px 13px;outline:none}.input:focus,textarea:focus,select:focus{border-color:#7AA7F8;box-shadow:0 0 0 3px #EAF2FF}textarea{min-height:120px;resize:vertical}.alert{padding:13px 15px;border-radius:12px;margin-bottom:18px}.alert-success{background:#EAFBF2;color:#176B45;border:1px solid #C8F0DA}.alert-error{background:#FFF1F1;color:#9B2C2C;border:1px solid #FFD1D1}.empty{text-align:center;padding:42px 20px;color:var(--muted);border:1px dashed #CDD8E4;border-radius:15px}.message-list{display:flex;flex-direction:column;gap:12px}.message-bubble{max-width:78%;padding:12px 14px;border-radius:15px;background:#F0F4F8;line-height:1.55}.message-bubble.mine{margin-left:auto;background:var(--primary);color:#fff}.message-meta{font-size:11px;opacity:.72;margin-top:5px}.mobile-menu{display:none;background:none;border:0;font-size:24px;cursor:pointer}.kicker{color:var(--primary);font-weight:800;font-size:13px}.question{margin-bottom:20px;padding:20px;border:1px solid var(--border);border-radius:15px;background:#fff}.option{display:flex;gap:10px;align-items:flex-start;padding:9px 0}.timer{font-weight:800;color:var(--danger)}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#F5F8FC}.auth-visual{background:linear-gradient(145deg,#082B5F,#0B3A82);color:#fff;padding:64px;display:flex;flex-direction:column;justify-content:space-between}.auth-card-wrap{display:grid;place-items:center;padding:32px}.auth-card{width:min(460px,100%);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:32px}@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static;max-height:none}}@media(max-width:820px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 50px rgba(0,0,0,.18)}.main{margin-left:0;width:100%}.mobile-menu{display:block}.topbar{padding:0 18px}.content{padding:24px 18px 40px}.two-col{grid-template-columns:1fr}.auth-shell{grid-template-columns:1fr}.auth-visual{display:none}}@media(max-width:600px){.stats-grid,.course-grid{grid-template-columns:1fr}.header-row{align-items:flex-start;flex-direction:column}.topbar-user-name{display:none}}
[dir="rtl"] body{text-align:right}[dir="rtl"] .sidebar{right:0;left:auto}[dir="rtl"] .main{margin-left:0;margin-right:270px}[dir="rtl"] .nav-icon{margin-left:10px;margin-right:0}@media(max-width:900px){[dir="rtl"] .main{margin-right:0}[dir="rtl"] .sidebar{transform:translateX(110%)}[dir="rtl"] .sidebar.open{transform:translateX(0)}}

[dir="rtl"] th,[dir="rtl"] td{text-align:right}[dir="rtl"] .hero-cover .hero-text{left:24px;right:24px;text-align:right}[dir="rtl"] .message-bubble.mine{margin-left:0;margin-right:auto}

/* TawjihiVIP simple experience */
.stat-card:after{display:none!important;content:none!important}.file-missing{padding:16px;border:1px solid #E3E8EF;background:#F8FAFC;border-radius:11px;color:#60758A;text-align:center}.content-block{box-shadow:none!important}@media(max-width:820px){.topbar-actions{display:none!important}.topbar{height:60px}.content{padding:16px 12px 30px}.card{padding:15px;border-radius:13px}.lesson-layout{display:block}.lesson-sidebar{display:none!important}.video-frame{min-height:0!important;aspect-ratio:16/10;border-radius:10px}.file-box{align-items:flex-start;flex-direction:column}.file-box .btn{width:100%}.page-title{font-size:23px}.header-row{margin-bottom:16px}.stat-card:after{display:none!important}}

/* TawjihiVIP simple UI hardening v8: no decorative circles/blobs over values. */
.stat-card,.card{isolation:isolate}
.stat-card::before,.stat-card::after,.card.stat-card::before,.card.stat-card::after{display:none!important;content:none!important;background:none!important}
.stat-card{overflow:visible!important}
.lesson-image{width:100%;max-height:680px;object-fit:contain;border-radius:10px;background:#F8FAFC}
.video-wrap{width:100%;overflow:hidden;border-radius:10px;background:#0A1730}
.video-wrap .video-frame{display:block;border-radius:0}
.code-block{overflow:auto;background:#0E2038;color:#EAF2FF;padding:16px;border-radius:10px}
.lesson-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center}
.lesson-nav>a:last-child{justify-self:end}.lesson-nav>a:first-child{justify-self:start}
.simple-form{max-width:760px}
@media(max-width:600px){.lesson-nav{grid-template-columns:1fr}.lesson-nav>*{width:100%}.lesson-nav a,.lesson-nav button{width:100%}.lesson-nav>a:last-child,.lesson-nav>a:first-child{justify-self:stretch}.page-title{line-height:1.35}.content-block{padding:14px!important}}