@media print{:root{--bs-primary:#2563eb;--bs-primary-rgb:37, 99, 235;--bs-secondary:#475569;--bs-success:#059669;--bs-info:#0ea5e9;--bs-warning:#d97706;--bs-danger:#dc2626;--bs-light:#f8fafc;--bs-dark:#1e293b;--bs-purple:#7c3aed;--bs-gray-100:#fafafa;--bs-gray-200:#e2e8f0;--bs-gray-300:#cbd5e1;--bs-gray-400:#94a3b8;--bs-gray-500:#64748b;--bs-gray-600:#475569;--bs-gray-700:#334155;--bs-gray-800:#1e293b;--bs-gray-900:#0f172a;--table-primary:var(--bs-primary);--table-primary-rgb:var(--bs-primary-rgb);--table-success:var(--bs-success);--table-border:var(--bs-gray-200);--table-bg-light:var(--bs-gray-100);--table-bg-lighter:#f1f5f9;--table-text:var(--bs-gray-800);--table-text-light:var(--bs-gray-500);--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--line-height-none:1;--line-height-tight:1.25;--line-height-snug:1.375;--line-height-normal:1.5;--line-height-relaxed:1.625;--line-height-loose:2;--letter-spacing-tighter:-0.05em;--letter-spacing-tight:-0.025em;--letter-spacing-normal:0;--letter-spacing-wide:0.025em;--letter-spacing-wider:0.05em;--letter-spacing-widest:0.1em;--font-weight-thin:100;--font-weight-light:300;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--font-weight-black:900;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--table-spacing-xs:var(--space-2);--table-spacing-sm:var(--space-3);--table-spacing-md:var(--space-4);--table-spacing-lg:var(--space-5);--table-spacing-xl:var(--space-6);--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--table-radius-sm:var(--radius-sm);--table-radius-md:var(--radius-md);--table-radius-lg:var(--radius-lg);--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl:0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl:0 25px 50px -12px rgba(0, 0, 0, .25);--table-shadow:var(--shadow-sm);--table-shadow-hover:var(--shadow-lg);--ease-in-out:cubic-bezier(0.4, 0, 0.2, 1);--ease-out:cubic-bezier(0, 0, 0.2, 1);--ease-in:cubic-bezier(0.4, 0, 1, 1)}body,html{overflow-x:clip}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:var(--text-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--bs-gray-800);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;background-color:var(--bs-gray-100)}.entry-content p,p{margin-bottom:1.5rem;word-wrap:normal;overflow-wrap:normal;word-break:normal;hyphens:none}body,html,p{max-width:100%}p{text-indent:0;line-height:1.6;width:100%}.h1,h1,h2{letter-spacing:var(--letter-spacing-tight)}.h1,h1{font-size:clamp(2rem,5vw,3rem);font-weight:var(--font-weight-bold);line-height:1.2;color:#0f172a;margin:2rem 0 1.5rem}h2{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:var(--font-weight-semibold);line-height:1.3;margin:2rem 0 1rem;color:var(--bs-gray-900);padding-top:var(--space-2);position:relative}h5,h6{font-weight:var(--font-weight-medium);line-height:1.5;margin:1rem 0 .5rem}h5{font-size:1.25rem;letter-spacing:var(--letter-spacing-normal);color:var(--bs-gray-700)}h6{font-size:var(--text-base);letter-spacing:var(--letter-spacing-wider);text-transform:uppercase;color:var(--bs-gray-600)}.entry-content{font-size:1.0625rem;line-height:1.6;color:var(--bs-gray-800);overflow:visible}.entry-content .table,.entry-content table{max-width:100%!important;width:100%!important}.entry-content p{line-height:1.7;text-align:left}.entry-content a{color:#2563eb;text-decoration:underline;text-underline-offset:2px;transition:color .2s}.entry-content a:hover{color:#1d4ed8}.navbar{background:rgb(255 255 255/.95)!important;backdrop-filter:blur(10px);border-bottom:1px solid var(--bs-gray-200);box-shadow:var(--shadow-sm);padding:var(--space-3)0;transition:all .3s var(--ease-in-out);position:sticky;top:0;z-index:1020}.navbar-brand{font-weight:var(--font-weight-bold);font-size:1.5rem;letter-spacing:var(--letter-spacing-tight);line-height:1.2;display:flex;align-items:center;gap:var(--space-2);background:linear-gradient(135deg,var(--bs-primary),var(--bs-purple));-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.navbar-brand::before{content:"📚";font-size:1.75rem;background:0 0;-webkit-text-fill-color:initial}.navbar .form-control{border-radius:var(--radius-lg);border:1px solid var(--bs-gray-300);padding:var(--space-3);transition:all .2s var(--ease-in-out)}.navbar .form-control:focus{border-color:var(--bs-primary);box-shadow:0 0 0 3px rgb(37 99 235/.1)}.card{border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);transition:all .3s var(--ease-in-out);overflow:hidden;background:#fff;position:relative}.card:hover{box-shadow:var(--shadow-lg)}.card-header,.table thead th,table thead th{color:var(--bs-gray-900);font-weight:var(--font-weight-semibold);line-height:1.5}.card-header{background:linear-gradient(135deg,#f8fafc,#fff);border-bottom:1px solid var(--bs-gray-200);padding:var(--space-6);font-size:1rem;letter-spacing:var(--letter-spacing-tight)}.card-body{padding:var(--space-6);line-height:1.75}.content-area{max-width:100%;margin:0}.content-area p,.table{margin-bottom:var(--space-6)}.content-area p{line-height:1.75;color:var(--bs-gray-700);font-size:var(--text-base);word-wrap:normal;overflow-wrap:normal;word-break:normal;hyphens:none;text-align:left}.table{max-width:100%;font-size:.9375rem;line-height:1.5;color:var(--bs-gray-800);border-collapse:collapse}@media (max-width:768px){.table{font-size:.875rem;width:100%;max-width:100%;table-layout:auto;display:table}.table td,.table th{padding:var(--space-2);word-wrap:break-word;overflow-wrap:break-word;hyphens:auto;white-space:normal}.table-responsive .table{min-width:0;width:100%}}.table td,.table th{padding:var(--space-2);border:1px solid var(--bs-gray-200)}.table thead,table thead{background-color:#cfe2ff}.table thead th,table thead th{background-color:#cfe2ff;font-size:.875rem;letter-spacing:.01em;border-color:#b6d4fe}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:0;width:100%;max-width:100%;display:block}@media (max-width:768px){.table-responsive{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table-responsive table{min-width:0;width:100%}}.table-striped tbody tr:nth-of-type(odd){background-color:rgb(0 0 0/.02)}.table-striped tbody tr:nth-of-type(even){background-color:#fff}.table-bordered,.table-bordered td,.table-bordered th{border:1px solid var(--bs-gray-200)}.table a{color:var(--bs-primary);transition:color .2s ease}.table a:hover{color:#1d4ed8;text-decoration:underline}.table td:first-child{font-weight:500;color:var(--bs-gray-700);width:80px;text-align:center}.table,table{table-layout:auto;width:100%}.table tbody td:first-child,.table thead th:first-child{width:auto;min-width:80px}.table tbody td,.table thead th{width:auto;white-space:normal;word-wrap:break-word;overflow-wrap:break-word}.breadcrumb{border-radius:0;padding:var(--space-3)0;margin-bottom:var(--space-8);border:0;display:flex;align-items:center;gap:var(--space-2)}.breadcrumb-item+.breadcrumb-item::before{font-size:1.2em;margin:0 var(--space-2)}.breadcrumb-item:first-child a{color:#000!important;text-decoration:none;font-weight:500;transition:all .2s var(--ease-in-out)}.breadcrumb-item:first-child a:hover{color:#333!important;text-decoration:underline}.breadcrumb a{color:#2563eb!important;font-weight:500;transition:all .2s var(--ease-in-out)}.breadcrumb a:hover{color:#1d4ed8!important;text-decoration:underline}.breadcrumb a,.btn,footer a{text-decoration:none}.btn{border-radius:var(--radius-lg);font-size:.9375rem;font-weight:var(--font-weight-medium);letter-spacing:.01em;line-height:1.5;padding:var(--space-3) var(--space-5);transition:all .3s var(--ease-in-out);border:0;display:inline-flex;align-items:center;gap:var(--space-2)}.btn::before{background:rgb(255 255 255/.2);transition:all .6s var(--ease-out)}.btn:active::before,.btn:hover::before{width:300px;height:300px}#layout-grid.layout-grid{gap:var(--space-8);align-items:start;min-height:70vh}.sidebar{max-height:calc(100vh - 130px);overflow-y:auto}.left-sidebar:hover,.sidebar:hover{box-shadow:var(--shadow-md)}.left-sidebar,.sidebar{background:#fff;border:1px solid var(--bs-gray-200);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:var(--space-1);position:sticky;top:120px;transition:all .3s var(--ease-in-out)}.sidebar .card{border:0;box-shadow:none}.sidebar .card-header{background:0 0;border-bottom:2px solid var(--bs-primary);padding:var(--space-4)0}footer{background:linear-gradient(135deg,#f1f5f9,#e2e8f0);color:var(--bs-gray-800);margin-top:var(--space-16);padding:var(--space-12)0 var(--space-8);position:relative;border-top:3px solid #cbd5e1;box-shadow:0-4px 6px -1px rgb(0 0 0/.05);-webkit-font-smoothing:antialiased}footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,#2563eb,transparent);opacity:.4}footer h6{color:var(--bs-gray-900);margin-bottom:var(--space-4);font-weight:600}footer a{color:#2563eb;transition:all .2s var(--ease-in-out);padding:var(--space-1)0;display:inline-block}footer a:hover{color:#1d4ed8;transform:translateX(4px);text-decoration:underline}.footer-bottom{border-top:1px solid #b6d4fe;padding-top:var(--space-6);margin-top:var(--space-8);color:var(--bs-gray-600)}.footer-subhead{font-size:.7rem;font-weight:600;color:var(--bs-gray-600);text-transform:uppercase;letter-spacing:.05em;padding:2px 0}.footer-heading{cursor:default;display:flex;justify-content:space-between;align-items:center;user-select:none}.footer-chevron{width:16px;height:16px;transition:transform .2s ease;color:var(--bs-gray-500);flex-shrink:0}.footer-heading:not(.collapsed) .footer-chevron{transform:rotate(180deg)}.footer-bottom .list-inline-item a:hover{color:#2563eb!important;text-decoration:underline}@media (min-width:992px){.footer-grid{display:flex;flex-wrap:wrap;gap:1.5rem}.footer-grid .footer-col{flex:0 0 auto;width:auto!important;max-width:none!important}.footer-heading{cursor:default;pointer-events:none}.footer-chevron{display:none!important}@media (min-width:992px){.footer-grid>.footer-col{max-width:260px}}@media (max-width:767.98px){.footer-grid>.footer-col{flex:0 0 100%}}@media (min-width:768px) and (max-width:991.98px){.footer-grid>.footer-col{flex:0 0 33.333%}}}@media (min-width:768px) and (max-width:991.98px){.footer-grid{display:grid!important;grid-template-columns:repeat(3,1fr);gap:1.5rem}.footer-chevron{display:none!important}.footer-heading{pointer-events:none}}@media (max-width:767.98px){.footer-heading{cursor:pointer;pointer-events:auto;padding:12px 0;border-bottom:1px solid var(--bs-gray-200);margin-bottom:0}.footer-col{border-bottom:1px solid rgb(0 0 0/.05);padding-bottom:4px}footer a{padding:6px 0;min-height:44px;display:flex;align-items:center}}.text-center{text-align:center}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}.form-control:focus-visible{outline:2px solid var(--bs-primary);outline-offset:2px}@media (prefers-contrast:high){.btn,.card,.navbar{border-width:2px}.navbar{background:#fff!important;border-bottom:2px solid}}@media print{.breadcrumb,.btn,.navbar,.sidebar,footer{display:none!important}.card{box-shadow:none!important;border:1px solid #000!important;break-inside:avoid}body{background:#fff!important;font-size:12pt;line-height:1.4}h1,h2{break-after:avoid}}@media (max-width:768px){.card-body,.row.g-4 .card-body{padding:var(--space-5)}#layout-grid.layout-grid{grid-template-columns:1fr;gap:var(--space-6)}.h1,h1,h2{margin:var(--space-6)0 var(--space-4);font-size:clamp(1.75rem,8vw,2.5rem)}h2{padding-top:var(--space-4);font-size:clamp(1.5rem,7vw,2rem)}.btn{min-height:44px;min-width:44px;max-width:100%;box-sizing:border-box}html{font-size:15px}body{line-height:1.5}.entry-content{font-size:1rem;line-height:1.6}.navbar-brand{font-size:1.25rem}.table td,.table th{padding:var(--space-3);font-size:var(--text-sm)}.table td:first-child{width:50px}.site-content.container{padding:0}.container{padding-left:var(--space-3);padding-right:var(--space-3)}.container,article,aside,div,footer,header,main{max-width:100%;box-sizing:border-box}.btn,button{word-wrap:break-word;overflow-wrap:break-word;white-space:normal}a[href^=http]{word-break:break-all;overflow-wrap:anywhere}div,li,p,span{word-wrap:normal;overflow-wrap:normal;word-break:normal;hyphens:none}img{max-width:100%;height:auto}}@media (max-width:576px){.content-area{padding:0}.row.row-cols-1.row-cols-md-3.g-4{grid-template-columns:1fr!important}.row.row-cols-1.row-cols-md-3.g-4 .card .card-body{padding:1rem!important}}@media (min-width:769px) and (max-width:1199px){#layout-grid.layout-grid{grid-template-columns:240px 1fr}.sidebar:last-child{display:none}}@media (min-width:1200px){#layout-grid.layout-grid{display:grid;grid-template-columns:300px 1fr 340px;gap:var(--space-8)}.container{max-width:1400px}}@media (min-width:1400px){.container{max-width:1600px}}@media (min-width:2000px){.container{max-width:1800px}}:focus{outline:2px solid var(--bs-primary);outline-offset:2px}@media (prefers-contrast:high){:root{--bs-gray-100:#ffffff;--bs-gray-200:#f0f0f0;--bs-gray-800:#000000}.btn,.navbar{border-width:2px}.card{border:2px solid #000}.navbar{background:#fff!important;border-bottom:2px solid}}::-webkit-scrollbar-thumb{background:var(--bs-primary);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--bs-secondary)}body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}input{-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text;user-select:text}img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none;pointer-events:auto}.right-sidebar{position:sticky;top:120px}@media (min-width:769px) and (max-width:1024px){html{font-size:16px}.entry-content{font-size:1.0625rem;line-height:1.6}}@media (min-width:1025px){html{font-size:17px}.entry-content{font-size:1.125rem;line-height:1.65}body{line-height:1.5}}#page>.navbar{padding:0}article>header{padding-top:0!important;padding-bottom:0!important}.card-header{border-top-left-radius:5px!important;border-top-right-radius:5px!important}.banner-ad-1{min-width:728px;min-height:90px;contain:layout style}.ad-below-header-1{min-height:280px;contain:layout style;overflow:hidden}.after-content-ad,.in-content-ad{margin:1.5rem 0;padding:.5rem 0;text-align:center;clear:both;min-height:280px;contain:layout style}.after-content-ad{margin:2rem 0;padding:1rem 0;border-top:1px solid var(--bs-gray-200);border-bottom:1px solid var(--bs-gray-200)}.ad-rail{min-height:250px;contain:layout style}.right-sidebar .ad-rail:first-child{min-height:600px}.left-sidebar .adsbygoogle{min-height:250px}.adsbygoogle{display:block;overflow:hidden}.right-sidebar .ad-rail+.ad-rail{margin-top:1.5rem}@media (max-width:991.98px){.after-content-ad,.in-content-ad{margin-left:-.75rem;margin-right:-.75rem;padding:.5rem 0;min-height:250px}.banner-ad-1{min-width:0;min-height:0}}@media (max-width:768px){.btn{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center}.container{padding-left:1rem;padding-right:1rem}.table-responsive{-webkit-overflow-scrolling:touch;scrollbar-width:thin}.card{margin-bottom:1rem}input[type=search]{font-size:16px;padding:.75rem;border-radius:var(--radius-md)}}html{scroll-behavior:smooth}.navbar.sticky-top{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .3s ease}.form-control:focus{border-color:var(--bs-primary);box-shadow:0 0 0 .2rem rgba(var(--bs-primary-rgb),.25)}.table tbody tr{transition:all .2s ease}.table tbody tr:hover{background-color:rgba(var(--bs-primary-rgb),.05);transform:scale(1.01);box-shadow:0 2px 8px rgb(0 0 0/.1)}.table thead th{position:sticky;top:0;z-index:10;background:#cfe2ff}.table td,.table th{padding:1rem .75rem;vertical-align:middle}.btn{position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.btn::before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgb(255 255 255/.3);transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:focus-visible{outline:2px solid var(--bs-primary);outline-offset:2px}.card{transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid var(--bs-gray-200)}.card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgb(0 0 0/.15);border-color:var(--bs-primary)}.form-control{transition:all .2s ease}.form-control:focus{transform:translateY(-1px);box-shadow:0 4px 12px rgba(var(--bs-primary-rgb),.15)}.breadcrumb{background:#fff0;padding:.75rem 0}.breadcrumb-item{display:flex;align-items:center}.breadcrumb-item+.breadcrumb-item::before{content:"›";padding:0 .5rem;color:var(--bs-gray-500);font-weight:700}.breadcrumb-item a{color:var(--bs-primary);text-decoration:none;transition:color .2s ease}.breadcrumb-item a:hover{color:var(--bs-primary);text-decoration:underline}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bs-gray-100);border-radius:5px}::-webkit-scrollbar-thumb{background:var(--bs-gray-400);border-radius:5px;transition:background .2s ease}::-webkit-scrollbar-thumb:hover{background:var(--bs-primary)}*{scrollbar-width:thin;scrollbar-color:var(--bs-gray-400) var(--bs-gray-100)}.skip-link{position:absolute;top:-40px;left:0;background:var(--bs-primary);color:#fff;padding:.5rem 1rem;text-decoration:none;z-index:10000;border-radius:0 0 var(--radius-md)0}.skip-link:focus{top:0}:focus-visible{outline:2px solid var(--bs-primary);outline-offset:2px;border-radius:var(--radius-sm)}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media print{.breadcrumb,.btn,.navbar,.sidebar,footer{display:none!important}.table{border-collapse:collapse}.table td,.table th{border:1px solid #000;padding:.5rem}a[href]::after{content:" ("attr(href)")";font-size:.8em;color:#666}}@media (max-width:576px){h1{font-size:1.75rem}h2{font-size:1.5rem}}.btn,.card{will-change:transform}.btn:hover,.card:hover{transform:translateZ(0)}:root{--n-blue:#0d6efd;--n-green:#198754;--n-yellow:#ffc107;--n-bg:#f8f9fa;--n-text:#495057;--n-heading:#2c3e50;--n-shadow:0 2px 8px rgba(0, 0, 0, 0.06);--n-radius:0.75rem;--mcq-primary:#0369a1;--mcq-primary-light:#0ea5e9;--mcq-primary-dark:#075985;--mcq-primary-soft:#e0f2fe;--mcq-success:#059669;--mcq-success-light:#10b981;--mcq-success-soft:#d1fae5;--mcq-success-border:#34d399;--mcq-error:#dc2626;--mcq-error-light:#ef4444;--mcq-error-soft:#fee2e2;--mcq-error-border:#f87171;--mcq-warning:#d97706;--mcq-warning-soft:#fef3c7;--mcq-gray-50:#f9fafb;--mcq-gray-100:#f3f4f6;--mcq-gray-200:#e5e7eb;--mcq-gray-300:#d1d5db;--mcq-gray-400:#9ca3af;--mcq-gray-500:#6b7280;--mcq-gray-600:#4b5563;--mcq-gray-700:#374151;--mcq-gray-800:#1f2937;--mcq-gray-900:#111827;--mcq-font-primary:'Source Sans 3', 'Segoe UI', system-ui, -apple-system, sans-serif;--mcq-font-heading:'Outfit', 'Source Sans 3', sans-serif;--mcq-space-xs:0.25rem;--mcq-space-sm:0.5rem;--mcq-space-md:1rem;--mcq-space-lg:1.5rem;--mcq-space-xl:2rem;--mcq-space-2xl:3rem;--mcq-radius-sm:6px;--mcq-radius-md:10px;--mcq-radius-lg:14px;--mcq-radius-xl:20px;--mcq-radius-full:9999px;--mcq-shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--mcq-shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);--mcq-shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);--mcq-shadow-xl:0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);--mcq-transition-fast:150ms cubic-bezier(0.4, 0, 0.2, 1);--mcq-transition-normal:250ms cubic-bezier(0.4, 0, 0.2, 1);--mcq-transition-slow:350ms cubic-bezier(0.4, 0, 0.2, 1)}a:focus,button:focus{outline:2px solid #0d6efd;outline-offset:2px}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.mcq-quiz-container{max-width:880px;margin:0 auto;padding:var(--mcq-space-md);background:linear-gradient(180deg,var(--mcq-gray-50) 0%,#fff 100%);font-family:var(--mcq-font-primary);color:var(--mcq-gray-800);line-height:1.5}.mcq-quiz-container *,.mcq-quiz-container ::after,.mcq-quiz-container ::before{box-sizing:border-box!important}.mcq-quiz-container label{display:inline-flex!important;margin-bottom:0!important;font-weight:400!important}.mcq-quiz-container input[type=radio]{margin:0!important;float:none!important;position:relative!important}.mcq-quiz-container .mcq-option label{margin:0!important;padding:0!important}.mcq-quiz-header{background:0 0;padding:0 0 var(--mcq-space-md)0;margin-bottom:var(--mcq-space-md);color:var(--mcq-gray-800);border-bottom:1px solid var(--mcq-gray-200)}.mcq-quiz-header::after,.mcq-quiz-header::before{display:none}.mcq-quiz-header .mcq-primary-keyword,.mcq-quiz-header h2{font-family:var(--mcq-font-heading);font-size:1.35rem;font-weight:700;margin:0 0 var(--mcq-space-sm)0;line-height:1.3;color:var(--mcq-gray-800)}.mcq-intro-description{background:var(--mcq-gray-50)!important;border-radius:var(--mcq-radius-sm)!important;padding:var(--mcq-space-sm) var(--mcq-space-md)!important;margin-bottom:var(--mcq-space-sm)!important;color:var(--mcq-gray-600)!important;font-size:.9rem!important;line-height:1.5!important}.mcq-intro-description p{margin:0!important;color:inherit!important}.mcq-ad-container{text-align:center!important;margin:8px 0!important;overflow:hidden!important}.mcq-global-timer-container,.mcq-meta-info,.mcq-meta-info::before{display:none!important}.mcq-timer-wrapper{display:flex;align-items:center;gap:var(--mcq-space-xs);background:rgb(255 255 255/.15);padding:var(--mcq-space-xs) var(--mcq-space-sm);border-radius:var(--mcq-radius-sm);backdrop-filter:blur(5px)}.mcq-timer-icon{font-size:1rem}.mcq-global-timer-display{font-family:var(--mcq-font-heading);font-size:1.1rem;font-weight:700;font-variant-numeric:tabular-nums}.mcq-timer-label{font-size:.75rem;opacity:.85;margin-left:var(--mcq-space-xs)}.mcq-total-marks-info{font-size:.85rem;background:rgb(255 255 255/.15);padding:var(--mcq-space-xs) var(--mcq-space-sm);border-radius:var(--mcq-radius-sm);backdrop-filter:blur(5px)}.mcq-total-marks-info strong{font-weight:700}.mcq-summary-box{background:#fff;border-radius:var(--mcq-radius-md);padding:var(--mcq-space-md);margin-bottom:var(--mcq-space-md);border:1px solid var(--mcq-gray-200);box-shadow:var(--mcq-shadow-sm)}.mcq-question-navigation{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:6px;margin-bottom:var(--mcq-space-sm)}.mcq-status-legend{display:flex;gap:var(--mcq-space-md);flex-wrap:wrap;padding-top:var(--mcq-space-sm);border-top:1px solid var(--mcq-gray-100)}.mcq-legend-item{display:flex;align-items:center;gap:var(--mcq-space-sm);font-size:.85rem;color:var(--mcq-gray-600)}.mcq-status-indicator{width:18px;height:18px;border-radius:var(--mcq-radius-sm);display:inline-block;border:2px solid #fff0}.mcq-status-answered{background:var(--mcq-success);border-color:var(--mcq-success)}.mcq-status-review{background:var(--mcq-warning);border-color:var(--mcq-warning)}.mcq-status-review-answered{background:linear-gradient(135deg,var(--mcq-success) 50%,var(--mcq-warning) 50%)}.mcq-quiz-header-bar,.mcq-quiz-summary-btn{border:1px solid var(--mcq-gray-200);border-radius:var(--mcq-radius-md)}.mcq-quiz-summary-btn{display:none;margin-top:var(--mcq-space-md);padding:var(--mcq-space-sm) var(--mcq-space-lg);background:var(--mcq-gray-100);font-family:var(--mcq-font-primary);font-weight:600;color:var(--mcq-gray-700);cursor:pointer;transition:all var(--mcq-transition-fast)}.mcq-quiz-summary-btn:hover{background:var(--mcq-gray-200)}.mcq-quiz-header-bar{display:flex;justify-content:space-between;align-items:center;padding:var(--mcq-space-sm) var(--mcq-space-md);background:#fff;margin-bottom:var(--mcq-space-md);flex-wrap:wrap;gap:var(--mcq-space-sm);box-shadow:var(--mcq-shadow-sm);position:sticky;top:10px;z-index:100;backdrop-filter:blur(10px);background:rgb(255 255 255/.95)}.mcq-remaining-time{display:flex;align-items:center;gap:var(--mcq-space-xs);font-size:.9rem;color:var(--mcq-gray-700)}#mcq-remaining-time{font-size:1rem;background:var(--mcq-primary-soft);padding:2px 8px;font-variant-numeric:tabular-nums;min-width:60px;text-align:center}.mcq-question-counter{font-size:.85rem;color:var(--mcq-gray-600);background:var(--mcq-gray-100);padding:2px 10px;border-radius:var(--mcq-radius-full)}#mcq-remaining-time,.mcq-question-counter span{font-weight:700;color:var(--mcq-primary)}#mcq-remaining-time,.mcq-finish-test-btn{border-radius:var(--mcq-radius-sm);font-family:var(--mcq-font-heading)}.mcq-finish-test-btn{padding:var(--mcq-space-xs) var(--mcq-space-md);background:linear-gradient(135deg,var(--mcq-error) 0%,#b91c1c 100%);color:#fff;border:0;font-weight:600;font-size:.8rem;cursor:pointer;transition:all var(--mcq-transition-fast);text-transform:uppercase;letter-spacing:.3px}.mcq-finish-test-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgb(220 38 38/.4)}.mcq-questions-container{display:flex;flex-direction:column;gap:var(--mcq-space-lg);background-color:var(--mcq-gray-100);padding:var(--mcq-space-xl);border-radius:var(--mcq-radius-lg);box-shadow:var(--mcq-shadow-lg);border:1px solid rgb(0 0 0/.08);margin:var(--mcq-space-lg)0;position:relative;overflow:hidden}.mcq-questions-container::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--mcq-primary) 0%,var(--mcq-primary-light) 100%);opacity:.6}.mcq-question-block{background:#fff!important;border:1px solid var(--mcq-gray-200)!important;border-radius:var(--mcq-radius-md)!important;padding:var(--mcq-space-lg)!important;display:block!important;width:100%!important;transition:all var(--mcq-transition-normal)!important;position:relative!important;margin-bottom:0!important;box-shadow:var(--mcq-shadow-sm)!important}.mcq-question-block::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--mcq-primary) 0%,var(--mcq-primary-light) 100%);border-radius:var(--mcq-radius-md)0 0 var(--mcq-radius-md);opacity:0;transition:opacity var(--mcq-transition-fast)}.mcq-question-block:hover{box-shadow:var(--mcq-shadow-lg)!important;border-color:var(--mcq-primary-soft)!important;transform:translateY(-2px)}.mcq-question-block:hover::before{opacity:1}.mcq-question-text-wrapper{margin-bottom:var(--mcq-space-sm)!important}.mcq-question-text{font-family:var(--mcq-font-primary)!important;font-size:1rem!important;font-weight:500!important;line-height:1.5!important;color:var(--mcq-gray-800)!important;word-wrap:break-word!important;overflow-wrap:break-word!important;margin:0 0 10px!important;padding:0!important}.mcq-options-wrapper{margin-bottom:var(--mcq-space-md)}.mcq-options-container{display:flex!important;flex-direction:column!important;gap:6px!important;margin:0!important;padding:0!important;list-style:none!important}.mcq-option,.mcq-option input[type=radio]{margin:0!important;cursor:pointer!important;transition:all var(--mcq-transition-fast)!important;position:relative!important;background:#fff!important}.mcq-option{display:flex!important;flex-direction:row!important;align-items:center!important;gap:10px!important;padding:10px 14px!important;border:2px solid var(--mcq-gray-200)!important;border-radius:var(--mcq-radius-sm)!important;width:100%!important;box-sizing:border-box!important}.mcq-option:hover{border-color:var(--mcq-primary-light)!important;background:var(--mcq-primary-soft)!important}.mcq-option input[type=radio]{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;width:20px!important;height:20px!important;min-width:20px!important;min-height:20px!important;border:2px solid var(--mcq-gray-300)!important;border-radius:50%!important;padding:0!important;flex-shrink:0!important;display:inline-block!important;vertical-align:middle!important}.mcq-option input[type=radio]:checked{border-color:var(--mcq-success)!important;background:var(--mcq-success)!important}.mcq-option input[type=radio]:checked::after{content:""!important;position:absolute!important;top:50%!important;left:50%!important;transform:translate(-50%,-50%)!important;width:8px!important;height:8px!important;background:#fff!important;border-radius:50%!important}.mcq-option-label,.mcq-option-letter{display:inline-flex!important;align-items:center!important}.mcq-option-label{flex-direction:row!important;gap:8px!important;flex:1!important;cursor:pointer!important;line-height:1.5!important;color:var(--mcq-gray-700)!important;word-wrap:break-word!important;overflow-wrap:break-word!important;margin:0!important;padding:0!important;font-weight:400!important}.mcq-option-letter{justify-content:center!important;min-width:24px!important;width:24px!important;height:24px!important;background:var(--mcq-gray-100)!important;border-radius:var(--mcq-radius-sm)!important;font-family:var(--mcq-font-heading)!important;font-weight:600!important;font-size:.8rem!important;color:var(--mcq-gray-600)!important;flex-shrink:0!important;transition:all var(--mcq-transition-fast)!important;line-height:1!important}.mcq-option-text{flex:1!important;font-size:.95rem!important;display:inline!important}.mcq-answer-reveal{margin-top:var(--mcq-space-sm);padding:var(--mcq-space-sm) var(--mcq-space-md);background:linear-gradient(135deg,var(--mcq-primary-soft) 0%,#f0f9ff 100%);border-radius:var(--mcq-radius-sm);border-left:3px solid var(--mcq-primary);display:none;animation:mcq-slideDown .3s ease-out}.mcq-correct-answer{font-size:.95rem;color:var(--mcq-gray-700)}.mcq-correct-answer strong{color:var(--mcq-gray-800)}.mcq-answer-letter{display:inline-flex;align-items:center;justify-content:center;background:var(--mcq-success);color:#fff;padding:var(--mcq-space-xs) var(--mcq-space-sm);border-radius:var(--mcq-radius-sm);font-weight:700;margin:0 var(--mcq-space-xs);min-width:28px}.mcq-answer-text-container{margin-top:var(--mcq-space-sm)}.mcq-answer-content{color:var(--mcq-gray-700);font-style:italic}.mcq-submit-section{margin-top:var(--mcq-space-sm);padding:var(--mcq-space-sm);text-align:center;background:0 0;border-radius:0;border:0}.mcq-submit-btn,.mcq-submit-btn:hover{color:#fff!important;text-decoration:none!important}.mcq-submit-btn{background:linear-gradient(135deg,var(--mcq-primary) 0%,var(--mcq-primary-dark) 100%)!important;border:0!important;padding:12px 36px!important;border-radius:var(--mcq-radius-md)!important;font-family:var(--mcq-font-heading)!important;font-size:1rem!important;font-weight:700!important;cursor:pointer!important;transition:all var(--mcq-transition-normal)!important;box-shadow:0 4px 14px rgb(3 105 161/.35)!important;text-transform:uppercase!important;letter-spacing:.5px!important;display:inline-block!important;line-height:1.5!important}.mcq-submit-btn:hover{transform:translateY(-3px)!important;box-shadow:0 8px 25px rgb(3 105 161/.45)!important}.mcq-submit-btn:active{transform:translateY(-1px)!important}.mcq-submit-btn:disabled{opacity:.6!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.mcq-results-container{margin-top:var(--mcq-space-md);display:none;animation:mcq-fadeIn .5s ease-out}.mcq-results-card{background:#fff;border:2px solid var(--mcq-gray-200);border-radius:var(--mcq-radius-lg);padding:var(--mcq-space-lg);max-width:450px;margin:0 auto;box-shadow:var(--mcq-shadow-lg);text-align:center}.mcq-results-card h2{font-family:var(--mcq-font-heading);font-size:1.25rem;color:var(--mcq-gray-800);margin:0 0 var(--mcq-space-md)0;display:flex;align-items:center;justify-content:center;gap:var(--mcq-space-sm)}.mcq-score-display{display:flex;flex-direction:column;gap:var(--mcq-space-sm)}.mcq-score-item{display:flex;justify-content:space-between;align-items:center;background:var(--mcq-gray-50);border-radius:var(--mcq-radius-sm);transition:all var(--mcq-transition-fast)}.mcq-score-item:hover{background:var(--mcq-gray-100)}.mcq-score-item,.mcq-score-item.total-score{padding:var(--mcq-space-sm) var(--mcq-space-md)}.mcq-score-item.total-score{background:linear-gradient(135deg,var(--mcq-primary) 0%,var(--mcq-primary-dark) 100%);color:#fff;margin-top:var(--mcq-space-sm)}.mcq-score-item.total-score .mcq-score-label,.mcq-score-item.total-score .mcq-score-value{color:#fff}.mcq-score-label{font-weight:500;color:var(--mcq-gray-600);display:flex;align-items:center;gap:var(--mcq-space-sm)}.mcq-score-value,.mcq-show-answers-btn{font-family:var(--mcq-font-heading);font-weight:700;font-size:1.1rem;color:var(--mcq-gray-800)}.mcq-score-value.correct{color:var(--mcq-success)}.mcq-score-value.wrong{color:var(--mcq-error)}.mcq-show-answers-btn{margin-top:var(--mcq-space-md);padding:var(--mcq-space-sm) var(--mcq-space-lg);background:#fff;color:var(--mcq-primary);border:2px solid var(--mcq-primary);border-radius:var(--mcq-radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--mcq-transition-fast)}.mcq-show-answers-btn:hover{background:var(--mcq-primary);color:#fff}@keyframes mcq-fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes mcq-slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.mcq-quiz-container,.mcq-quiz-header{padding:var(--mcq-space-sm)}.mcq-quiz-header{border-radius:var(--mcq-radius-sm)}.mcq-quiz-header .mcq-primary-keyword,.mcq-quiz-header h2{font-size:1.15rem}.mcq-quiz-header-bar{flex-direction:column;align-items:stretch;gap:var(--mcq-space-xs);padding:var(--mcq-space-sm);position:relative;top:0}.mcq-question-counter,.mcq-remaining-time{justify-content:center;text-align:center}.mcq-finish-test-btn{width:100%}.mcq-question-block{padding:var(--mcq-space-sm)}.mcq-question-text{font-size:.95rem}.mcq-option{padding:var(--mcq-space-xs) var(--mcq-space-sm)}.mcq-global-timer-container{flex-direction:column;align-items:stretch;text-align:center}.mcq-timer-wrapper,.mcq-total-marks-info{justify-content:center}.mcq-question-navigation{grid-template-columns:repeat(auto-fill,minmax(32px,1fr))}.mcq-results-card{padding:var(--mcq-space-md)}.mcq-submit-btn{width:100%;padding:var(--mcq-space-sm) var(--mcq-space-md)}}@media (max-width:480px){.mcq-quiz-container{padding:var(--mcq-space-xs)}.mcq-quiz-header{padding:var(--mcq-space-sm)}.mcq-quiz-header .mcq-primary-keyword,.mcq-quiz-header h2{font-size:1.05rem}.mcq-intro-description{font-size:.8rem!important;padding:var(--mcq-space-xs) var(--mcq-space-sm)!important}.mcq-summary-box{padding:var(--mcq-space-sm)}.mcq-question-navigation{grid-template-columns:repeat(6,1fr);gap:4px}.mcq-status-legend{flex-direction:row;gap:var(--mcq-space-sm);font-size:.75rem}.mcq-question-block{padding:var(--mcq-space-sm);border-radius:var(--mcq-radius-sm)}.mcq-question-text{font-size:.9rem}.mcq-option{padding:var(--mcq-space-xs) var(--mcq-space-sm);gap:var(--mcq-space-xs)}.mcq-option:hover{transform:none}.mcq-option input[type=radio]{width:16px;height:16px}.mcq-option-letter{min-width:20px;height:20px;font-size:.7rem}.mcq-option-text{font-size:.85rem}.mcq-answer-reveal{padding:var(--mcq-space-xs) var(--mcq-space-sm);font-size:.85rem}.mcq-submit-section{padding:var(--mcq-space-sm)}.mcq-results-card{padding:var(--mcq-space-md);border-radius:var(--mcq-radius-md)}.mcq-results-card h2{font-size:1.1rem}.mcq-score-item{padding:var(--mcq-space-xs) var(--mcq-space-sm)}.mcq-score-value{font-size:.9rem}}@media print{.mcq-quiz-container{max-width:100%;padding:0;background:#fff}.mcq-finish-test-btn,.mcq-global-timer-container,.mcq-quiz-header-bar,.mcq-submit-section,.mcq-summary-box{display:none!important}.mcq-question-block{break-inside:avoid;page-break-inside:avoid;margin-bottom:20px}.mcq-option,.mcq-question-block{border:1px solid #ccc}}.mcq-option:focus-within{outline:2px solid var(--mcq-primary);outline-offset:2px}.mcq-finish-test-btn:focus,.mcq-submit-btn:focus{outline:2px solid var(--mcq-primary);outline-offset:2px}@media (prefers-contrast:high){.mcq-option{border-width:3px}}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}}