:root{--primary: #1d4ed8;--primary-dark: #1e40af;--bg: #f3f4f6;--surface: #ffffff;--surface-2: #f3f4f6;--surface-3: #f9fafb;--border: #e5e7eb;--text: #111827;--text-muted: #6b7280;--text-muted-2: #9ca3af;--accent-soft: #e0e7ff;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--sidebar-bg: #111827;--sidebar-border: #1f2937;--radius: 10px;--shadow-card: 0 1px 2px rgba(0, 0, 0, .04);--shadow-lift: 0 4px 12px rgba(0, 0, 0, .08)}[data-theme=dark]{--primary: #3b82f6;--primary-dark: #2563eb;--bg: #0f172a;--surface: #1e293b;--surface-2: #263349;--surface-3: #223047;--border: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--text-muted-2: #64748b;--accent-soft: #1e3a5f;--success: #4ade80;--warning: #fbbf24;--danger: #f87171;--sidebar-bg: #0b1220;--sidebar-border: #1e293b;--shadow-card: 0 1px 2px rgba(0, 0, 0, .3);--shadow-lift: 0 4px 12px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Segoe UI,Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text);direction:rtl;transition:background .25s ease,color .25s ease}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:14px}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--radius);border:1px solid transparent;background:var(--primary);color:#fff;cursor:pointer;font-weight:600;transition:background .15s ease,transform .1s ease,box-shadow .15s ease}.btn:hover{background:var(--primary-dark)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn.secondary:hover{background:var(--surface-3)}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover{filter:brightness(.9)}.btn.small{padding:5px 10px;font-size:12.5px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card);transition:background .25s ease,border-color .25s ease,box-shadow .2s ease}.input,select.input,textarea.input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);transition:border-color .15s ease,background .25s ease}.input:focus,select.input:focus,textarea.input:focus{outline:2px solid var(--primary);outline-offset:-1px}.input::placeholder{color:var(--text-muted-2)}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--text-muted)}table.table{width:100%;border-collapse:collapse}table.table th{text-align:right;padding:10px 12px;font-size:12.5px;color:var(--text-muted);border-bottom:2px solid var(--border)}table.table td{padding:12px;border-bottom:1px solid var(--border);font-size:13.5px;transition:background .12s ease}table.table tr:hover td{background:var(--surface-3)}table.table tr{cursor:pointer}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.gray{background:var(--surface-2);color:var(--text-muted)}.badge.blue{background:#dbeafe;color:#1d4ed8}.badge.green{background:#dcfce7;color:#16a34a}.badge.orange{background:#ffedd5;color:#d97706}.badge.red{background:#fee2e2;color:#dc2626}[data-theme=dark] .badge.blue{background:#1e3a5f;color:#93c5fd}[data-theme=dark] .badge.green{background:#14342a;color:#4ade80}[data-theme=dark] .badge.orange{background:#3d2c12;color:#fbbf24}[data-theme=dark] .badge.red{background:#421a1a;color:#f87171}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h1{margin:0;font-size:22px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-card);transition:transform .15s ease,box-shadow .15s ease,background .25s ease,border-color .25s ease}.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift)}.kpi-card .label{font-size:12.5px;color:var(--text-muted);margin-bottom:8px}.kpi-card .value{font-size:24px;font-weight:700}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#090d168c;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto;animation:fadeIn .15s ease}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:640px;animation:slideUp .2s ease}.modal h2{margin-top:0}.error-msg{background:#fee2e2;color:#b91c1c;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}[data-theme=dark] .error-msg{background:#421a1a;color:#fca5a5}.empty-state{text-align:center;padding:40px;color:var(--text-muted)}.sidebar{background:var(--sidebar-bg);color:#e5e7eb;display:flex;flex-direction:column;flex-shrink:0;transition:width .2s ease,background .25s ease;overflow:hidden}.sidebar .nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;margin-bottom:2px;color:#cbd5e1;font-size:13.5px;white-space:nowrap;transition:background .12s ease,color .12s ease}.sidebar .nav-link:hover{background:#ffffff12;color:#fff}.sidebar .nav-link.active{background:var(--primary);color:#fff;font-weight:600}.sidebar .nav-link svg{flex-shrink:0}.sidebar .nav-section{font-size:11px;color:#6b7280;padding:12px 12px 6px;font-weight:700;white-space:nowrap}.sidebar.collapsed .nav-section{text-align:center;padding:12px 4px 6px}.sidebar .icon-btn{background:transparent;border:1px solid #374151;color:#cbd5e1;border-radius:8px;padding:6px 9px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .12s ease,color .12s ease}.sidebar .icon-btn:hover{background:#ffffff14;color:#fff}.page-enter{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.course-page{max-width:1200px;margin:0 auto}.course-hero{background:linear-gradient(135deg,#111827,#1e3a5f);color:#fff;border-radius:18px;padding:28px 30px;display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:18px;box-shadow:0 14px 35px #0f172a2e}.course-kicker{color:#93c5fd;font-size:12px;font-weight:800;letter-spacing:.08em}.course-hero h1{margin:7px 0 8px;font-size:26px}.course-hero 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b{display:block;height:100%;background:linear-gradient(90deg,#2563eb,#22c55e);border-radius:999px}.course-toolbar{display:flex;gap:12px;align-items:center;padding:12px;margin-bottom:14px}.course-toolbar>.input{max-width:310px}.course-filters{display:flex;gap:6px;flex-wrap:wrap}.course-list{display:flex;flex-direction:column;gap:10px}.course-lesson{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:17px;display:grid;grid-template-columns:95px 1fr 38px;gap:16px;transition:.18s ease}.course-lesson:hover{transform:translateY(-1px);box-shadow:var(--shadow-lift)}.lesson-number{border-left:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;gap:7px}.lesson-number span{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--primary);font-weight:800}.lesson-number small{color:var(--text-muted);font-weight:700;line-height:1.4}.lesson-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.axis-label{color:var(--primary);font-size:11px;font-weight:800}.lesson-body h3{margin:4px 0 7px;font-size:16px}.lesson-body p{margin:0;color:var(--text-muted);line-height:1.65;font-size:13px}.lesson-status{width:auto!important;min-width:128px;font-weight:700;font-size:12px!important;padding:6px 9px!important}.lesson-links{display:flex;gap:12px;margin-top:10px;flex-wrap:wrap;font-size:12px;color:var(--primary)}.lesson-links span{color:var(--text-muted)}.lesson-actions{display:flex;flex-direction:column;gap:5px}.lesson-actions button{width:32px;height:32px;border:1px solid var(--border);background:var(--surface-3);color:var(--text-muted);border-radius:8px;cursor:pointer;font-size:16px}.lesson-actions button:hover{color:var(--primary);border-color:var(--primary)}.course-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width:800px){.course-hero{align-items:flex-start;flex-direction:column}.course-kpis{grid-template-columns:1fr 1fr}.course-toolbar{align-items:stretch;flex-direction:column}.course-toolbar>.input{max-width:none}.course-lesson{grid-template-columns:60px 1fr}.lesson-actions{grid-column:2;flex-direction:row}.lesson-top{flex-direction:column}.course-form-grid{grid-template-columns:1fr}}