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.checkbox-custom{position:relative;width:26px;height:26px;min-width:26px;background:linear-gradient(145deg,#fff,#f0f4f8);border:2px solid var(--medium-gray);border-radius:var(--radius-md);transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 3px #0000000d,0 2px 4px #0000000d}.form-checkbox .checkbox-custom:after{content:"";position:absolute;width:7px;height:12px;border:solid white;border-width:0 3px 3px 0;transform:rotate(45deg) scale(0);transition:transform .2s cubic-bezier(.4,0,.2,1);top:3px;left:7px}.form-checkbox input[type=checkbox]:checked+.checkbox-custom{background:linear-gradient(135deg,var(--primary-blue) 0%,#1a1a6e 100%);border-color:var(--primary-blue);box-shadow:0 4px 12px #0000804d,inset 0 1px 2px #fff3}.form-checkbox input[type=checkbox]:checked+.checkbox-custom:after{transform:rotate(45deg) scale(1)}.form-checkbox input[type=checkbox]:focus+.checkbox-custom{box-shadow:0 0 0 3px #00008026,0 2px 4px #0000000d}.form-checkbox:hover .checkbox-custom{border-color:var(--primary-blue)}.form-checkbox .checkbox-label{font-size:1rem;color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;font-weight:600;position:relative;z-index:1;transition:color var(--transition-fast)}.form-checkbox:hover .checkbox-label{color:var(--primary-blue)}.submit-quiz{width:100%;margin-top:var(--spacing-xl);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-lg);font-size:1.1rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;border-radius:var(--radius-lg);background:var(--primary-blue)}@media(max-width:768px){.quiz-header h1{font-size:1.5rem}.points-display{padding:var(--spacing-sm) var(--spacing-md)}.trophy-icon,.points-count{font-size:1.25rem}.quiz-controls{flex-wrap:wrap;gap:var(--spacing-xs)}.control-btn{font-size:.8rem;padding:var(--spacing-xs) var(--spacing-sm)}.quiz-stats{grid-template-columns:1fr}}.already-solved-message{background-color:var(--white);padding:var(--spacing-2xl) var(--spacing-md);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);text-align:center;border:1px solid rgba(0,0,0,.05);animation:slideUp .4s cubic-bezier(.16,1,.3,1)}.solved-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--secondary-green) 0%,#27ae60 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:#fff;margin:0 auto var(--spacing-xl);box-shadow:0 10px 30px #27ae604d;animation:scaleIn .5s cubic-bezier(.16,1,.3,1) .2s backwards}@keyframes scaleIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.already-solved-message h2{color:var(--primary-blue);font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-md)}.already-solved-message p{color:var(--text-secondary);font-size:1.1rem;margin-bottom:var(--spacing-xl);line-height:1.6}.solved-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.solved-actions button{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-normal)}.solved-actions .btn-secondary{background-color:var(--white);color:var(--primary-blue);border:2px solid var(--primary-blue)}.solved-actions .btn-secondary:hover{background-color:var(--primary-blue);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-md)}.solved-actions .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}@media(max-width:768px){.solved-actions{flex-direction:column}.solved-actions button{width:100%}}.progress-page{min-height:calc(100vh - 70px);background:linear-gradient(135deg,#f8fafc,#f1f5f9);padding:var(--spacing-2xl)}.progress-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 70px);gap:var(--spacing-md);color:var(--text-secondary)}.progress-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 70px);gap:var(--spacing-lg);color:var(--text-secondary)}.progress-error p{font-size:1.125rem;color:#ef4444}.retry-btn{padding:var(--spacing-md) var(--spacing-xl);background-color:var(--primary-blue);color:#fff;border-radius:var(--radius-md);font-weight:600;transition:all var(--transition-normal)}.retry-btn:hover{background-color:var(--primary-blue);transform:translateY(-2px);box-shadow:0 4px 12px var(--primary-blue)}.progress-header-title{text-align:center;margin-bottom:var(--spacing-2xl)}.progress-header-title h1{font-size:2.5rem;font-weight:700;color:#1e293b;background:var(--primary-blue);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.progress-toggle-container{display:flex;justify-content:center;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.toggle-btn{padding:var(--spacing-md) var(--spacing-2xl);background-color:#e3e9ef;color:var(--primary-blue);border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:all var(--transition-normal);cursor:pointer;border:2px solid transparent}.toggle-btn:hover{background-color:#d6dee6;transform:translateY(-2px)}.toggle-btn.active{background-color:var(--primary-blue);color:#fff;border-color:var(--primary-blue);box-shadow:0 4px 12px var(--primary-blue)}.progress-charts-wrapper{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-2xl);max-width:1400px;margin:0 auto}.chart-header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:2px solid #F1F5F9}.chart-header h2{font-size:1.5rem;font-weight:600;color:#1e293b;text-align:center}.chart-container{background-color:#fafbfc;border-radius:12px;padding:var(--spacing-lg);min-height:400px;direction:ltr}.no-data{display:flex;align-items:center;justify-content:center;height:400px;color:var(--text-secondary)}.no-data p{font-size:1.125rem;color:#94a3b8}.spinner{width:50px;height:50px;border:4px solid #E0E0E0;border-top-color:var(--primary-blue);border-radius:50%;animation:spin 1s linear infinite}@media(max-width:1200px){.progress-charts-wrapper{grid-template-columns:1fr;max-width:800px}}@media(max-width:768px){.progress-page{padding:var(--spacing-md)}.progress-header-title{margin-bottom:var(--spacing-lg)}.progress-header-title h1{font-size:1.75rem}.progress-toggle-container{gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.toggle-btn{padding:var(--spacing-sm) var(--spacing-lg);font-size:.875rem}.chart-section{padding:var(--spacing-md)}.chart-header h2{font-size:1.125rem}.progress-charts-wrapper{grid-template-columns:1fr;gap:var(--spacing-md)}.chart-container{padding:var(--spacing-sm);overflow-x:auto;min-height:350px}}@media(max-width:480px){.progress-page{padding:var(--spacing-sm)}.progress-header-title{margin-bottom:var(--spacing-md)}.progress-header-title h1{font-size:1.375rem}.progress-toggle-container{gap:var(--spacing-xs);margin-bottom:var(--spacing-md);flex-wrap:wrap}.toggle-btn{padding:var(--spacing-sm) var(--spacing-md);font-size:.813rem;flex:1;min-width:120px}.chart-section{padding:var(--spacing-sm);border-radius:12px}.chart-header{margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm)}.chart-header h2{font-size:1rem}.chart-container{padding:var(--spacing-xs);min-height:320px}.progress-charts-wrapper{gap:var(--spacing-sm)}}.admin-login-page{min-height:100vh;background:var(--primary-blue);display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);direction:rtl}.admin-login-container{width:100%;max-width:450px}.admin-login-card{background:#fff;border-radius:20px;padding:var(--spacing-2xl);box-shadow:0 20px 60px #0000004d;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.admin-login-header{text-align:center;margin-bottom:var(--spacing-2xl)}.admin-icon{font-size:4rem;margin-bottom:var(--spacing-md);animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.admin-login-header h1{font-size:2rem;font-weight:700;color:#1e293b;margin-bottom:var(--spacing-sm);background:var(--primary-blue);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.admin-login-header p{color:#64748b;font-size:1rem}.admin-login-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group input{padding:var(--spacing-md);border:2px solid #E5E7EB;border-radius:var(--radius-md);font-size:1rem;font-family:Cairo,sans-serif;transition:all var(--transition-normal)}.form-group input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f3f4f6;cursor:not-allowed}.error-message{padding:var(--spacing-md);background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:var(--radius-md);text-align:center;font-weight:600;animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.btn-admin-submit{padding:var(--spacing-md) var(--spacing-xl);background:var(--primary-blue);color:#fff;border-radius:var(--radius-md);font-weight:700;font-size:1.125rem;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);margin-top:var(--spacing-md)}.btn-admin-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #667eea66}.btn-admin-submit:disabled{opacity:.6;cursor:not-allowed}.admin-login-footer{margin-top:var(--spacing-xl);text-align:center}.warning-text{color:#ef4444;font-weight:600;font-size:.875rem;padding:var(--spacing-sm);background:#fee2e2;border-radius:var(--radius-md)}@media(max-width:480px){.admin-login-page{padding:var(--spacing-md)}.admin-login-card{padding:var(--spacing-lg)}.admin-login-header h1{font-size:1.5rem}.admin-icon{font-size:3rem}}.admin-page{min-height:calc(100vh - 70px);background:linear-gradient(135deg,#1e3a8a,#1e40af,#3b82f6,#2563eb,#1d4ed8);background-size:400% 400%;animation:gradientShift 15s ease infinite;padding:var(--spacing-2xl);direction:rtl}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.admin-container{max-width:1200px;margin:0 auto}.admin-header{margin-bottom:var(--spacing-2xl)}.admin-header-content{text-align:center;color:#fff;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-lg)}.admin-header h1{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-sm);text-shadow:2px 2px 4px rgba(0,0,0,.2)}.admin-header p{font-size:1.125rem;opacity:.9}.btn-logout{padding:var(--spacing-sm) var(--spacing-lg);background:#fff3;color:#fff;border:2px solid white;border-radius:var(--radius-md);font-weight:600;transition:all 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var(--transition-normal)}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #667eea1a}.form-hint{color:#6b7280;font-size:.875rem}.questions-section{display:flex;flex-direction:column;gap:var(--spacing-md)}.questions-header{display:flex;justify-content:space-between;align-items:center}.questions-header label{font-weight:600;color:#374151;font-size:1rem}.btn-add-question{padding:var(--spacing-sm) var(--spacing-md);background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:.875rem;transition:all var(--transition-normal)}.btn-add-question:hover{transform:translateY(-2px);box-shadow:0 4px 12px #10b9814d}.question-input-group{display:flex;gap:var(--spacing-sm);align-items:flex-start;background:#f9fafb;padding:var(--spacing-md);border-radius:var(--radius-md);border:2px solid #E5E7EB}.question-number{min-width:32px;height:32px;background:var(--primary-blue);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem}.question-input-group .form-textarea{flex:1;resize:vertical}.btn-remove-question{min-width:32px;height:32px;background:#ef4444;color:#fff;border-radius:50%;font-weight:700;transition:all var(--transition-normal)}.btn-remove-question:hover{background:#dc2626;transform:scale(1.1)}.btn-primary,.btn-danger{padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.btn-primary{background:var(--primary-blue);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #ef444466}.btn-danger:disabled{opacity:.6;cursor:not-allowed}.message{padding:var(--spacing-md);border-radius:var(--radius-md);text-align:center;font-weight:600;margin-bottom:var(--spacing-md)}.message.success{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.message.error{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.spinner-small{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@media(max-width:1200px){.admin-sections{grid-template-columns:1fr}}@media(max-width:768px){.admin-page{padding:var(--spacing-lg)}.admin-header h1{font-size:2rem}.admin-section{padding:var(--spacing-lg)}.admin-sections{gap:var(--spacing-lg)}}@media(max-width:480px){.admin-page{padding:var(--spacing-md)}.admin-header h1{font-size:1.5rem}.admin-section{padding:var(--spacing-md)}.question-input-group{flex-direction:column}}.app{min-height:100vh;display:flex;flex-direction:column}:root{--primary-blue: #000080;--primary-dark-blue: #000066;--primary-yellow: #FFD700;--primary-light-yellow: #FFEB3B;--secondary-cyan: #5DD9D9;--secondary-light-cyan: #7FECEC;--secondary-green: #00C853;--white: #FFFFFF;--light-gray: #F5F5F5;--medium-gray: #E0E0E0;--dark-gray: #757575;--text-primary: #212121;--text-secondary: #666666;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;direction:rtl;font-family:Cairo,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);background-attachment:fixed;color:var(--text-primary);line-height:1.6}#root{min-height:100%;display:flex;flex-direction:column}.container{max-width:1000px;margin:0 auto;padding:var(--spacing-xl);width:100%}button{font-family:Cairo,sans-serif;cursor:pointer;border:none;outline:none;transition:all var(--transition-normal)}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-blue);color:var(--white);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:600;font-size:1rem;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark-blue);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--primary-yellow);color:var(--primary-blue);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:600;font-size:1rem;box-shadow:var(--shadow-md)}.btn-secondary:hover:not(:disabled){background-color:var(--primary-light-yellow);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-outline{background-color:transparent;color:var(--primary-blue);padding:var(--spacing-md) var(--spacing-xl);border:2px solid 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