:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-light: #EEF2FF;--primary-glow: rgba(79, 70, 229, .25);--primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);--secondary: #7C3AED;--secondary-hover: #6D28D9;--secondary-light: #F5F3FF;--accent: #F5C542;--accent-hover: #EAB308;--accent-light: #FEF9C3;--accent-glow: rgba(245, 197, 66, .35);--bg-app: #F7F7FF;--bg-surface: #FFFFFF;--bg-surface-elevated: #FFFFFF;--bg-surface-subtle: #F1F3F9;--bg-dark: #0F1226;--bg-dark-card: #181B34;--text-main: #171B3A;--text-muted: #5E6582;--text-subtle: #8A92A6;--text-inverse: #FFFFFF;--border-light: #E2E8F0;--border-subtle: #EDF2F7;--border-focus: #4F46E5;--success: #10B981;--success-bg: #ECFDF5;--success-border: #A7F3D0;--warning: #F59E0B;--warning-bg: #FFFBEB;--warning-border: #FDE68A;--error: #EF4444;--error-bg: #FEF2F2;--error-border: #FECACA;--info: #0284C7;--info-bg: #F0F9FF;--info-border: #BAE6FD;--font-heading: "Outfit", -apple-system, BlinkMacSystemFont, 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1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-subtle)}.modal-body{padding:1.5rem 1.75rem}.modal-footer{padding:1rem 1.75rem 1.5rem;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:flex-end;gap:.75rem}.toast-container{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;flex-direction:column;gap:.75rem;pointer-events:none}.toast-item{pointer-events:auto;min-width:300px;max-width:420px;padding:.9rem 1.2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:.75rem;background:var(--text-main);color:#fff;animation:slideUpFade .3s cubic-bezier(.16,1,.3,1);font-size:.9rem;font-weight:500;border-left:4px solid 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var(--transition-normal)}.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#4f46e540}.kpi-icon-wrap{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.kpi-value{font-size:1.85rem;font-weight:800;font-family:var(--font-heading);color:var(--text-main);line-height:1.1}.kpi-label{font-size:.85rem;font-weight:600;color:var(--text-muted);margin-top:.2rem}.continue-hero-card{background:linear-gradient(135deg,#1e1b4b,#312e81,#4f46e5);border-radius:var(--radius-xl);padding:2rem 2.5rem;color:#fff;position:relative;overflow:hidden;margin-bottom:2rem;box-shadow:0 10px 30px #312e8159}.continue-hero-card:after{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(245,197,66,.2) 0%,transparent 70%);border-radius:50%;pointer-events:none}.learning-room-layout{display:flex;height:calc(100vh - 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rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:background var(--transition-fast)}.module-accordion-header:hover{background:#ffffff14}.lesson-list-item{padding:.85rem 1.25rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.04);cursor:pointer;transition:all var(--transition-fast);color:#cbd5e1;font-size:.88rem}.lesson-list-item:hover{background:#4f46e526;color:#fff}.lesson-list-item.active{background:#4f46e54d;color:#fff;border-left:4px solid var(--primary);font-weight:600}.quiz-container{max-width:850px;margin:0 auto;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--border-light);box-shadow:var(--shadow-xl);overflow:hidden}.quiz-header{background:linear-gradient(135deg,#171b3a,#312e81);color:#fff;padding:1.75rem 2rem;display:flex;align-items:center;justify-content:space-between}.quiz-option-card{padding:1rem 1.25rem;border:2px solid var(--border-light);border-radius:var(--radius-md);margin-bottom:.85rem;display:flex;align-items:center;gap:1rem;cursor:pointer;transition:all var(--transition-fast);background:#fff}.quiz-option-card:hover{border-color:var(--primary);background:var(--primary-light)}.quiz-option-card.selected{border-color:var(--primary);background:var(--primary-light);box-shadow:0 0 0 1px var(--primary)}.quiz-option-card.correct{border-color:var(--success);background:var(--success-bg)}.quiz-option-card.incorrect{border-color:var(--error);background:var(--error-bg)}.quiz-option-letter{width:32px;height:32px;border-radius:50%;background:#edf2f7;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--text-main);flex-shrink:0}.quiz-option-card.selected .quiz-option-letter{background:var(--primary);color:#fff}.certificate-frame{background:#fff;border:14px solid #1E1B4B;outline:4px solid var(--accent);outline-offset:-10px;border-radius:8px;padding:3.5rem 3rem;position:relative;text-align:center;box-shadow:var(--shadow-xl);background-image:radial-gradient(circle at center,#f7f7ffcc,#fff)}.certificate-seal{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#f59e0b,#f5c542,#d97706);display:flex;align-items:center;justify-content:center;color:#171b3a;box-shadow:0 6px 16px #f59e0b66;margin:0 auto 1.5rem}.admin-layout{display:flex;min-height:100vh;background:#f8fafc}.admin-sidebar{width:260px;background:#0f172a;color:#f8fafc;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:90;transition:all var(--transition-normal)}.admin-sidebar-header{padding:1.5rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid rgba(255,255,255,.08)}.admin-nav-list{padding:1.25rem .85rem;list-style:none;display:flex;flex-direction:column;gap:.35rem;flex:1;overflow-y:auto}.admin-nav-item a{display:flex;align-items:center;gap:.85rem;padding:.75rem 1rem;border-radius:var(--radius-md);color:#94a3b8;font-size:.92rem;font-weight:600;transition:all var(--transition-fast)}.admin-nav-item a:hover{background:#ffffff14;color:#fff}.admin-nav-item a.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px #4f46e566}.admin-sidebar-footer{padding:1.25rem;border-top:1px solid rgba(255,255,255,.08)}.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}.admin-topbar{height:70px;background:#fff;border-bottom:1px solid #E2E8F0;display:flex;align-items:center;justify-content:space-between;padding:0 2rem;position:sticky;top:0;z-index:80}.admin-content{padding:2rem;flex:1;max-width:1440px;width:100%;margin:0 auto}.data-table-container{background:#fff;border:1px solid #E2E8F0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.data-table-header{padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #E2E8F0;flex-wrap:wrap;gap:1rem}.table-responsive{width:100%;overflow-x:auto}.data-table{width:100%;border-collapse:collapse;text-align:left}.data-table th{background:#f8fafc;padding:.9rem 1.25rem;font-size:.8rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid #E2E8F0}.data-table td{padding:1rem 1.25rem;font-size:.9rem;color:#1e293b;border-bottom:1px solid #F1F5F9;vertical-align:middle}.data-table tr:hover td{background:#f8fafc}.status-pill{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;border-radius:999px;font-size:.78rem;font-weight:600}.status-active{background:#ecfdf5;color:#059669}.status-inactive{background:#f1f5f9;color:#64748b}.status-pending{background:#fffbeb;color:#d97706}.status-completed{background:#eef2ff;color:#4f46e5}.chart-card{background:#fff;border:1px solid #E2E8F0;border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm)}.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:.75rem}::selection{background-color:#4f46e533;color:#171b3a}.line-clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}