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.dcv-item-chevron{color:var(--color-primary)}.dcv-detail{position:sticky;top:var(--space-6)}.dcv-panel{display:none;background:var(--color-bg-subtle);border:2px solid var(--color-primary);border-radius:var(--radius-xl,16px);padding:var(--space-6);padding-bottom:var(--space-8);box-shadow:0 0 20px rgba(249,115,22,8%)}.dcv-panel--active{display:flex;flex-direction:column;gap:var(--space-4)}.dcv-panel-header{display:flex;align-items:flex-start;gap:var(--space-3)}.dcv-panel-header-text{display:flex;flex-direction:column;gap:0;min-width:0}.dcv-panel-title{font-family:var(--font-heading);font-size:var(--text-lg);font-weight:700;margin:0;line-height:1.25}.dcv-panel-meta{font-size:var(--text-xs);color:var(--color-text-muted);display:block;line-height:1.3;margin-top:2px}.dcv-panel-desc{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.6;margin:var(--space-1)0 0}.dcv-panel-lessons{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-1-5,6px)}.dcv-panel-lessons li{display:flex;align-items:baseline;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.4}.dcv-dot{width:5px;height:5px;border-radius:50%;background:var(--color-primary);flex-shrink:0;position:relative;top:-1px}.dcv-cta{width:100%}.dcv-panel-footer{margin-top:var(--space-3);padding-top:var(--space-5);border-top:1px solid var(--color-border);display:flex;flex-direction:column;gap:var(--space-3)}.dcv-panel-tools{font-size:var(--text-xs);color:var(--color-text-muted);margin:0}.dcv-panel-tools strong{color:var(--color-text-secondary);font-weight:600}.dcv-panel-deliverable{font-size:var(--text-xs);color:var(--color-text-secondary);background:var(--color-primary-light,#FFF4E6);padding:var(--space-3)var(--space-4);border-radius:var(--radius-md,8px);border-left:3px solid var(--color-primary);line-height:1.7}[data-theme=dark] .dcv-panel-deliverable{background:rgba(247,147,26,8%)}.dcv-panel-deliverable strong{color:var(--color-text);font-weight:600}.degree-tools{margin-bottom:var(--space-12)}.degree-tools h2{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-6)}.degree-tools-subtitle{font-size:var(--text-sm);color:var(--color-text-secondary);margin-top:0;margin-bottom:var(--space-6)}.degree-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-3)}.degree-tool-card{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md,8px);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-1)}.degree-tool-card strong{font-size:var(--text-sm)}.degree-tool-card span{font-size:var(--text-xs);color:var(--color-text-muted)}.degree-tool-cost{color:var(--color-success)!important;font-weight:600}.degree-tools-total{margin-top:var(--space-4);font-size:var(--text-sm);color:var(--color-text-secondary);font-style:italic}.degree-certificate{margin-bottom:var(--space-12)}.dcert-card{display:flex;align-items:center;gap:3rem;background:linear-gradient(160deg,#fafafa 0%,#f3f4f6 40%,#f9fafb 100%);border:1px solid var(--color-primary);border-radius:16px;padding:3.5rem 3rem;color:var(--color-text);position:relative;overflow:hidden}.dcert-card::before{content:"";position:absolute;top:-60px;left:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(247,147,26,6%) 0%,transparent 70%);pointer-events:none}[data-theme=dark] .dcert-card{background:linear-gradient(160deg,#161a1f 0%,#111418 40%,#0d1015 100%);color:#fff}.dcert-icon{flex-shrink:0;width:160px;height:160px;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 0 24px rgba(247,147,26,.35))drop-shadow(0 0 48px rgba(247,147,26,.15))}.dcert-icon svg{width:140px;height:140px}.dcert-content{flex:1;min-width:0}.dcert-title{font-family:var(--font-heading);font-size:2.5rem;font-weight:800;color:var(--color-text);margin:0 0 .75rem;line-height:1.15;letter-spacing:-.03em}[data-theme=dark] .dcert-title{color:#fff}.dcert-desc{font-size:1rem;color:var(--color-text-secondary);line-height:1.65;margin:0 0 1.5rem;max-width:420px}[data-theme=dark] .dcert-desc{color:#9ca3af}.dcert-progress{display:inline-flex;align-items:center;gap:6px;background:rgba(0,0,0,5%);border:1px solid rgba(0,0,0,8%);border-radius:999px;padding:6px 8px;margin-bottom:1.25rem}[data-theme=dark] .dcert-progress{background:rgba(255,255,255,6%);border-color:rgba(255,255,255,8%);box-shadow:0 0 12px rgba(247,147,26,8%)}.dcert-step{display:flex;align-items:center;justify-content:center;width:56px;height:34px;border-radius:999px}.dcert-step--done{background:linear-gradient(135deg,var(--orange-500) 0%,var(--orange-600) 100%)}.dcert-step--done svg{stroke:#000}.dcert-step--final{background:rgba(0,0,0,6%)}.dcert-step--final svg{stroke:rgba(0,0,0,.3)}[data-theme=dark] .dcert-step--final{background:rgba(255,255,255,8%)}[data-theme=dark] .dcert-step--final svg{stroke:rgba(255,255,255,.35)}.dcert-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(0,0,0,4%);border:1px solid rgba(0,0,0,.1);border-radius:10px;padding:.5rem 1rem;font-size:.9rem;font-weight:600;color:var(--color-text);text-decoration:none;transition:background .2s,border-color .2s;cursor:pointer}.dcert-badge:hover{background:rgba(247,147,26,8%);border-color:rgba(247,147,26,.4);color:var(--color-text)}[data-theme=dark] .dcert-badge{background:rgba(255,255,255,7%);border-color:rgba(255,255,255,.1);color:#e5e7eb}[data-theme=dark] .dcert-badge:hover{background:rgba(255,255,255,.12);border-color:rgba(247,147,26,.4);color:#fff}.dcert-medal-icon{color:#ff9f4a;font-size:2.25rem;filter:drop-shadow(0 0 8px rgba(255,159,74,.6))drop-shadow(0 0 20px rgba(255,159,74,.3))}.dcv-panel--cert{padding:0;border:none;box-shadow:none;background:0 0}.dcv-panel--cert .dcert-card--inline{border-radius:var(--radius-xl,16px);padding:2.5rem 2rem;gap:2rem;margin:0;width:100%;box-sizing:border-box}.dcv-panel--cert .dcert-icon{width:120px;height:120px}.dcv-panel--cert .dcert-icon svg{width:100px;height:100px}.dcv-panel--cert .dcert-title{font-size:1.75rem}.dcv-panel--cert.dcv-panel--active{display:block}.dcv-item--cert{background:linear-gradient(135deg,var(--orange-500) 0%,var(--orange-600) 100%);border:1px solid var(--orange-400,#FB923C);color:#fff}.dcv-item--cert:hover{border-color:var(--orange-300,#FDBA74)}.dcv-item--cert .dcv-item-title{color:#fff}.dcv-item--cert .dcv-item-meta{color:rgba(255,255,255,.8)}.dcv-item--cert .dcv-item-chevron{color:rgba(255,255,255,.7)}.dcv-item--cert.dcv-item--active .dcv-item-chevron{color:#fff}.dcv-num--cert{background:rgba(255,255,255,.25);color:#fff}.dcv-num--cert svg{width:18px;height:18px;stroke:#fff}@media(max-width:768px){.dcert-card{flex-direction:column;text-align:center;padding:2.5rem 1.75rem;gap:1.5rem}.dcert-icon{width:100px;height:100px}.dcert-icon svg{width:90px;height:90px}.dcert-title{font-size:1.75rem}.dcert-progress{justify-content:center}.dcert-badge{margin:0 auto}.dcert-desc{margin-left:auto;margin-right:auto}}.degree-prereq-faq{display:flex;flex-direction:column;gap:var(--space-4);margin-bottom:var(--space-12);width:100%}.degree-prereq-card{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-xl,12px);padding:var(--space-5)}.degree-prereq-title{font-size:var(--text-base);font-weight:700;margin:0 0 var(--space-2);display:flex;align-items:center;gap:var(--space-2)}.degree-prereq-intro{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.6;margin:0 0 var(--space-4)}.degree-prereq-list{display:flex;flex-direction:column;gap:var(--space-3)}.degree-prereq-item{display:flex;align-items:flex-start;gap:var(--space-2);padding:var(--space-3);background:var(--color-bg-muted);border-radius:var(--radius-lg,10px);text-decoration:none;border:1px solid transparent;transition:border-color .2s}.degree-prereq-item:hover{border-color:var(--color-border)}.degree-prereq-item--plain{background:0 0;padding:var(--space-2)0;border:none;border-radius:0}.degree-prereq-item-arrow{color:var(--color-primary);font-weight:700;flex-shrink:0;font-size:var(--text-base);margin-top:1px}.degree-prereq-item-title{color:var(--color-text-link);font-weight:600;font-size:var(--text-sm);display:block;margin-bottom:2px}.degree-prereq-item-desc{color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.5;display:block}.degree-prereq-item-text{color:var(--color-text-secondary);font-size:var(--text-sm);line-height:1.5}.degree-faq-card{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-xl,12px);padding:var(--space-5)}.degree-faq-title{font-size:var(--text-base);font-weight:700;margin:0 0 var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.degree-faq-details{margin-bottom:var(--space-1)}.degree-faq-summary{padding:var(--space-2)0;cursor:pointer;font-weight:600;font-size:var(--text-sm);list-style:none;border-bottom:1px solid var(--color-border)}.degree-faq-summary::-webkit-details-marker{display:none}.degree-faq-answer{padding:var(--space-1)0 var(--space-2);color:var(--color-text-secondary);font-size:var(--text-sm);line-height:1.6}[data-theme=dark] .degree-prereq-card,[data-theme=dark] .degree-faq-card{background:var(--color-bg-muted)}.degree-bottom-cta{text-align:center;padding:var(--space-10)0;border-top:1px solid var(--color-border)}.degree-bottom-cta h2{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-6)}@media(max-width:768px){.degree-hero-inner{flex-direction:column}.degree-hero-image{width:100%;max-width:320px}.dcv-grid{grid-template-columns:1fr}.dcv-detail{position:static}.degree-comparison-grid{grid-template-columns:1fr}.degree-objectives-list{grid-template-columns:1fr}.degree-hero-stats{gap:var(--space-3)}.degree-module-body{padding-left:var(--space-5)}.degree-tools-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.degree-tools-grid{grid-template-columns:1fr}}[data-theme=dark] .degree-comparison-card--traditional{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .degree-comparison-card--ai{background:rgba(247,147,26,8%);border-color:var(--orange-700)}[data-theme=dark] .degree-module{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .degree-module[open]{border-color:var(--orange-600)}[data-theme=dark] .degree-module-deliverable{background:var(--void-700)}[data-theme=dark] .degree-tool-card{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .degree-certificate-card{background:linear-gradient(135deg,rgba(247,147,26,8%) 0%,var(--void-800) 100%);border-color:var(--orange-700)}.dlv-header{position:sticky;top:var(--header-height,4rem);z-index:50;background:var(--color-bg-subtle);border-bottom:1px solid var(--color-border);padding:var(--space-2-5)0}.dlv-header-content{display:flex;align-items:center;justify-content:space-between;max-width:1280px;margin:0 auto;padding:0 var(--space-4)}.dlv-back{display:flex;align-items:center;gap:var(--space-2);text-decoration:none;color:var(--color-text-secondary);font-size:var(--text-sm);transition:color .15s;min-width:0}.dlv-back:hover{color:var(--color-primary)}.dlv-back svg{flex-shrink:0}.dlv-back-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dlv-header-actions{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}.dlv-bookmark-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:0 0;color:var(--color-text-muted);cursor:pointer;border-radius:var(--radius-md,8px);transition:color .15s,background .15s}.dlv-bookmark-btn:hover{color:var(--color-primary);background:var(--color-bg-muted)}.dlv-bookmark-btn--saved{color:var(--color-primary)}.dlv-progress-mini{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.dlv-quiz-score-mini{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;background:rgba(255,138,0,.12);color:var(--color-brand,#ff8a00);font-size:var(--text-xs);font-weight:700;flex-shrink:0;line-height:1;white-space:nowrap}.dlv-quiz-score-mini[hidden]{display:none!important}.dlv-quiz-score-icon{font-size:16px!important;line-height:1!important;font-variation-settings:'FILL' 1,'wght' 500,'GRAD' 0,'opsz' 20}.dlv-quiz-score-value{font-variant-numeric:tabular-nums}@media(max-width:640px){.dlv-quiz-score-mini{padding:3px 8px;font-size:11px}.dlv-quiz-score-icon{font-size:14px!important}}.dlv-progress-count{font-size:var(--text-xs);color:var(--color-text-muted);font-weight:600}.dlv-progress-bar-mini{width:80px;height:4px;background:var(--color-bg-muted);border-radius:var(--radius-full,50px);overflow:hidden}.dlv-progress-fill-mini{height:100%;background:var(--color-primary);border-radius:var(--radius-full,50px);transition:width .3s ease}.dlv-mobile-toggle{display:none;position:fixed;bottom:var(--space-4);left:50%;transform:translateX(-50%);z-index:40;width:auto;padding:var(--space-2-5)var(--space-5);background:var(--color-bg-subtle);border:2px solid var(--color-border);border-radius:var(--radius-full,50px);box-shadow:0 4px 20px rgba(0,0,0,.3);cursor:pointer;align-items:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary);font-family:inherit}.dlv-mobile-progress{margin-left:auto;font-weight:600;color:var(--color-primary);font-size:var(--text-xs)}.dlv-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90;backdrop-filter:blur(2px)}.dlv-drawer{position:fixed;top:0;left:-320px;width:320px;max-width:85vw;height:100vh;height:100dvh;background:var(--color-bg-subtle);z-index:100;overflow-y:auto;transition:left .25s ease;-webkit-overflow-scrolling:touch}.dlv-drawer--open{left:0}.dlv-drawer-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);border-bottom:1px solid var(--color-border)}.dlv-drawer-header h3{font-family:var(--font-heading);font-size:var(--text-base);font-weight:600;margin:0}.dlv-drawer-close{background:0 0;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-1)}.dlv-drawer-progress-bar{height:3px;background:var(--color-bg-muted)}.dlv-drawer-progress-fill{height:100%;background:var(--color-primary);transition:width .3s ease}.dlv-layout{display:grid;grid-template-columns:280px 1fr;gap:0;max-width:1280px;margin:0 auto;min-height:calc(100vh - var(--header-height,4rem) - 50px)}.dlv-sidebar{border-right:1px solid var(--color-border);background:var(--color-bg-subtle);overflow-y:auto;position:sticky;top:calc(var(--header-height,4rem) + 45px);height:calc(100vh - var(--header-height,4rem) - 45px);-webkit-overflow-scrolling:touch}.dlv-sidebar-header{padding:var(--space-4);border-bottom:1px solid var(--color-border)}.dlv-sidebar-header h3{font-family:var(--font-heading);font-size:var(--text-sm);font-weight:600;margin:0;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.dlv-sidebar-module{padding:var(--space-3)0;border-bottom:1px solid var(--color-border)}.dlv-sidebar-module:last-child{border-bottom:none}.dlv-sidebar-module-title{padding:0 var(--space-4)var(--space-2);font-size:var(--text-xs);font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em}.dlv-sidebar-lesson{display:flex;align-items:flex-start;gap:var(--space-2);padding:var(--space-2)var(--space-4);text-decoration:none;color:var(--color-text-secondary);font-size:var(--text-sm);transition:background .15s,color .15s;line-height:1.4;min-height:44px}.dlv-sidebar-lesson:hover{background:var(--color-bg-muted);color:var(--color-text)}.dlv-sidebar-lesson--active{background:var(--color-primary-light);color:var(--color-text);font-weight:600;border-left:3px solid var(--color-primary)}.dlv-sidebar-lesson--complete .dlv-sidebar-lesson-status{color:var(--color-success)}.dlv-sidebar-lesson-num{margin-top:2px;display:flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--color-bg-muted);font-size:11px;font-weight:600;flex-shrink:0;color:var(--color-text-muted)}.dlv-sidebar-lesson--active .dlv-sidebar-lesson-num{background:var(--color-primary);color:#000}.dlv-sidebar-lesson--complete .dlv-sidebar-lesson-num{background:var(--color-success);color:#fff}.dlv-sidebar-lesson-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.dlv-sidebar-lesson-status{flex-shrink:0;color:var(--color-border-strong,var(--color-border))}.dlv-main{padding:var(--space-6)var(--space-8);max-width:800px;min-height:80vh}.dlv-skeleton{animation:dlv-pulse 1.5s ease-in-out infinite}.dlv-skeleton-meta{display:flex;gap:var(--space-3);margin-bottom:var(--space-4)}.dlv-skeleton-badge{width:80px;height:24px;background:var(--color-bg-muted);border-radius:var(--radius-full,50px)}.dlv-skeleton-duration{width:60px;height:24px;background:var(--color-bg-muted);border-radius:var(--radius-md,8px)}.dlv-skeleton-title{width:80%;height:32px;background:var(--color-bg-muted);border-radius:var(--radius-md,8px);margin-bottom:var(--space-3)}.dlv-skeleton-desc{width:60%;height:18px;background:var(--color-bg-muted);border-radius:var(--radius-md,8px);margin-bottom:var(--space-8)}.dlv-skeleton-line{height:14px;background:var(--color-bg-muted);border-radius:var(--radius-sm,4px);margin-bottom:var(--space-3)}.dlv-skeleton-line--full{width:100%}.dlv-skeleton-line--3q{width:75%}.dlv-skeleton-line--half{width:50%}@keyframes dlv-pulse{0%,100%{opacity:1}50%{opacity:.4}}.dlv-title-section{margin-bottom:var(--space-8);padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border)}.dlv-meta{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-3)}.dlv-lesson-badge{display:inline-block;background:var(--color-primary);color:#000;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:var(--space-1)var(--space-3);border-radius:var(--radius-full,50px)}.dlv-duration{display:flex;align-items:center;gap:var(--space-1);font-size:var(--text-sm);color:var(--color-text-muted)}.dlv-duration svg{color:var(--color-text-muted)}.dlv-title{font-family:var(--font-heading);font-size:clamp(1.5rem,3.5vw,2rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:var(--space-2)}.dlv-description{font-size:var(--text-base);color:var(--color-text-secondary);line-height:1.6}.dlv-content.prose{font-size:var(--text-base);line-height:1.75;color:var(--color-text)}.dlv-content.prose h2{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;margin-top:var(--space-8);margin-bottom:var(--space-4);letter-spacing:-.01em}.dlv-content.prose h3{font-family:var(--font-heading);font-size:var(--text-lg);font-weight:600;margin-top:var(--space-6);margin-bottom:var(--space-3)}.dlv-content.prose h4{font-family:var(--font-heading);font-size:var(--text-base);font-weight:600;margin-top:var(--space-5);margin-bottom:var(--space-2)}.dlv-content.prose p{margin-bottom:var(--space-4)}.dlv-content.prose ul,.dlv-content.prose ol{margin-bottom:var(--space-4);padding-left:var(--space-6)}.dlv-content.prose li{margin-bottom:var(--space-2)}.dlv-content.prose blockquote{border-left:3px solid var(--color-primary);padding:var(--space-3)var(--space-4);margin:var(--space-4)0;background:var(--color-bg-muted);border-radius:0 var(--radius-md,8px)var(--radius-md,8px)0;color:var(--color-text-secondary);font-size:var(--text-sm)}.dlv-prompt-block{position:relative;padding-bottom:var(--space-10)}.dlv-copy-btn{display:inline-flex;align-items:center;gap:var(--space-1-5);position:absolute;bottom:var(--space-2);right:var(--space-2);padding:var(--space-1)var(--space-2-5);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md,8px);font-size:11px;font-weight:600;color:var(--color-text-muted);cursor:pointer;transition:all .15s;font-family:inherit;opacity:.7}.dlv-copy-btn:hover{opacity:1;border-color:var(--color-primary);color:var(--color-primary)}.dlv-copy-btn--copied{border-color:var(--color-success)!important;color:var(--color-success)!important;opacity:1}.dlv-code-wrapper{position:relative}.dlv-copy-btn--code{top:var(--space-2);right:var(--space-2);bottom:auto}[data-theme=dark] .dlv-copy-btn{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .dlv-copy-btn:hover{border-color:var(--orange-600);color:var(--orange-500)}.dlv-content.prose table{width:100%;border-collapse:collapse;margin:var(--space-4)0;font-size:var(--text-sm)}.dlv-content.prose th,.dlv-content.prose td{padding:var(--space-2)var(--space-3);border:1px solid var(--color-border);text-align:left}.dlv-content.prose th{background:var(--color-bg-muted);font-weight:600}.dlv-content.prose code{background:var(--color-bg-muted);padding:2px 6px;border-radius:var(--radius-sm,4px);font-size:.9em}.dlv-content.prose pre{background:var(--color-bg-muted);padding:var(--space-4);border-radius:var(--radius-md,8px);overflow-x:auto;margin:var(--space-4)0;font-size:var(--text-sm)}.dlv-content.prose pre code{background:0 0;padding:0}.dlv-content.prose img{max-width:100%;height:auto;border-radius:var(--radius-md,8px);margin:var(--space-4)0}.dlv-content.prose strong{font-weight:600}.dlv-content.prose hr{border:none;border-top:1px solid var(--color-border);margin:var(--space-8)0}.dlv-quiz{margin-top:var(--space-10);padding-top:var(--space-8);border-top:1px solid var(--color-border)}.dlv-quiz-title{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-6)}.dlv-quiz-title svg{color:var(--color-primary)}.dlv-quiz-question{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);padding:var(--space-5);margin-bottom:var(--space-4)}.dlv-question-text{font-weight:600;margin-bottom:var(--space-4);line-height:1.5}.dlv-question-options{display:flex;flex-direction:column;gap:var(--space-2)}.dlv-option-label{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3)var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md,8px);cursor:pointer;transition:border-color .15s,background 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svg{flex-shrink:0;color:var(--color-info,#3b82f6);margin-top:2px}.dlv-quiz-actions{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-4)}.dlv-quiz-hint{font-size:var(--text-sm);color:var(--color-text-muted)}.dlv-quiz-results{display:flex;align-items:center;gap:var(--space-4);margin-top:var(--space-4);padding:var(--space-4);background:var(--color-bg-muted);border-radius:var(--radius-lg,12px)}.dlv-quiz-score{display:flex;align-items:baseline;gap:var(--space-1)}.dlv-score-value{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;color:var(--color-primary)}.dlv-score-total{font-size:var(--text-base);color:var(--color-text-muted)}.dlv-quiz-feedback{font-size:var(--text-sm);font-weight:600}.dlv-quiz-feedback--perfect{color:var(--color-success)}.dlv-quiz-feedback--good{color:var(--color-primary)}.dlv-quiz-feedback--retry{color:var(--color-error)}.dlv-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-4);align-items:center;margin-top:var(--space-8);padding-top:var(--space-6);border-top:1px solid var(--color-border)}.dlv-nav-btn{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);text-decoration:none;color:inherit;transition:border-color .15s,background .15s;flex:1;min-width:0}.dlv-nav-btn:hover{border-color:var(--color-primary);background:var(--color-bg-muted)}.dlv-nav-direction{display:flex;align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--color-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.dlv-nav-title{font-size:var(--text-sm);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dlv-nav-spacer{display:none}.dlv-nav-next{text-align:right}.dlv-nav-next .dlv-nav-direction{justify-content:flex-end}.dlv-complete-section{text-align:center}.dlv-navigation .dlv-nav-prev[hidden],.dlv-navigation .dlv-nav-next[hidden]{display:flex!important;visibility:hidden;pointer-events:none}.dlv-btn-complete--done{opacity:.6;cursor:default}.dlv-completion-hint{font-size:var(--text-xs);color:var(--color-text-muted);font-style:italic;margin:var(--space-1)0 0}.dlv-error{text-align:center;padding:var(--space-16)var(--space-4)}.dlv-error svg{color:var(--color-text-muted);margin-bottom:var(--space-4)}.dlv-error h2{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2)}.dlv-error p{color:var(--color-text-secondary);margin-bottom:var(--space-6)}@media(max-width:1024px){.dlv-layout{grid-template-columns:240px 1fr}.dlv-main{padding:var(--space-5)var(--space-6)}}@media(max-width:768px){.dlv-mobile-toggle{display:flex}.dlv-sidebar{display:none}.dlv-layout{grid-template-columns:1fr}.dlv-main{padding:var(--space-3);max-width:100%;overflow-x:hidden}.dlv-header-content{padding:0 var(--space-3)}.dlv-back-text{max-width:150px}.dlv-progress-bar-mini{width:50px}.dlv-title{font-size:var(--text-xl)}.dlv-meta{flex-wrap:wrap;gap:var(--space-2)}.dlv-content.prose{font-size:var(--text-sm);overflow-wrap:break-word;word-break:break-word}.dlv-content.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:var(--text-xs)}.dlv-content.prose pre{max-width:calc(100vw - var(--space-6));overflow-x:auto}.dlv-content.prose img{max-width:100%;height:auto}.dlv-content.prose blockquote{padding:var(--space-2)var(--space-3);margin-left:0;margin-right:0}.dlv-quiz-question{padding:var(--space-3)}.dlv-option-label{padding:var(--space-2)var(--space-3);font-size:var(--text-xs)}.dlv-quiz-actions{flex-wrap:wrap}.dlv-quiz-results{flex-direction:column;text-align:center;gap:var(--space-2)}.dlv-navigation{grid-template-columns:1fr;gap:var(--space-3)}.dlv-complete-section{order:-1}.dlv-navigation .dlv-nav-prev[hidden],.dlv-navigation .dlv-nav-next[hidden]{display:none!important}.dlv-nav-btn{padding:var(--space-3)}.dlv-nav-next{text-align:left}.dlv-nav-next .dlv-nav-direction{justify-content:flex-start}.dlv-featured-skills{padding:var(--space-3)}.dlv-skills-list{gap:var(--space-1-5)}.dlv-recommended-list{grid-template-columns:1fr}.dlv-pricing-cta-inner{flex-direction:column;text-align:center;padding:var(--space-4)}.dlv-prompt-block{padding-bottom:var(--space-8)}.dlv-cert-card{flex-direction:column;text-align:center;gap:var(--space-3);padding:var(--space-4)}}@media(max-width:380px){.dlv-main{padding:var(--space-2)}.dlv-title{font-size:var(--text-lg)}.dlv-content.prose{font-size:13px}.dlv-header-actions{gap:var(--space-1)}.dlv-back-text{max-width:100px;font-size:var(--text-xs)}}[data-theme=dark] .dlv-header{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-mobile-toggle{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-sidebar{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-sidebar-module{border-color:var(--void-700)}[data-theme=dark] .dlv-sidebar-lesson:hover{background:var(--void-800)}[data-theme=dark] .dlv-sidebar-lesson--active{background:rgba(247,147,26,.1);border-left-color:var(--color-primary)}[data-theme=dark] .dlv-sidebar-lesson-num{background:var(--void-700)}[data-theme=dark] .dlv-sidebar-lesson--active .dlv-sidebar-lesson-num{background:var(--color-primary);color:#000}[data-theme=dark] .dlv-sidebar-lesson--complete .dlv-sidebar-lesson-num{background:var(--color-success);color:#fff}[data-theme=dark] .dlv-drawer{background:var(--void-900)}[data-theme=dark] .dlv-drawer-header{border-color:var(--void-600)}[data-theme=dark] .dlv-quiz-question{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .dlv-option-label{border-color:var(--void-600)}[data-theme=dark] .dlv-option-label:hover{border-color:var(--orange-600);background:var(--void-700)}[data-theme=dark] .dlv-question-explanation{background:var(--void-700)}[data-theme=dark] .dlv-quiz-results{background:var(--void-800)}[data-theme=dark] .dlv-nav-btn{border-color:var(--void-600)}[data-theme=dark] .dlv-nav-btn:hover{border-color:var(--orange-600);background:var(--void-800)}[data-theme=dark] .dlv-skeleton-badge,[data-theme=dark] .dlv-skeleton-duration,[data-theme=dark] .dlv-skeleton-title,[data-theme=dark] .dlv-skeleton-desc,[data-theme=dark] .dlv-skeleton-line{background:var(--void-700)}[data-theme=dark] .dlv-content.prose blockquote{background:var(--void-800)}[data-theme=dark] .dlv-content.prose th{background:var(--void-700)}[data-theme=dark] .dlv-content.prose code{background:var(--void-700)}[data-theme=dark] .dlv-content.prose pre{background:var(--void-800)}.dlv-certificate-link{margin-top:var(--space-6)}.dlv-cert-card{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-5);background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-bg-muted) 100%);border:1px solid var(--color-primary);border-radius:var(--radius-lg,12px)}.dlv-cert-card svg{color:var(--color-primary);flex-shrink:0}.dlv-cert-card p{font-size:var(--text-sm);color:var(--color-text-secondary);margin:var(--space-1)0 0}.dlv-cert-card .btn{flex-shrink:0;white-space:nowrap}.dlv-cert-card--incomplete{background:var(--color-bg-muted);border-color:var(--color-border)}.dlv-cert-card--incomplete svg{color:var(--color-warning,#f59e0b)}[data-theme=dark] .dlv-cert-card{background:linear-gradient(135deg,rgba(247,147,26,8%) 0%,var(--void-800) 100%);border-color:var(--orange-700)}[data-theme=dark] .dlv-cert-card--incomplete{background:var(--void-800);border-color:var(--void-600)}.dlv-featured-skills{margin:var(--space-6)0;padding:var(--space-4)var(--space-5);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px)}.dlv-skills-header{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);color:var(--color-text-muted);font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.dlv-skills-header svg{width:14px;height:14px}.dlv-skills-list{display:flex;flex-wrap:wrap;gap:var(--space-2)}.dlv-skill-link{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1-5)var(--space-3);background:var(--color-bg-muted);border:none;border-radius:var(--radius-full,50px);text-decoration:none;color:var(--color-text-secondary);font-size:var(--text-xs);font-weight:500;transition:background .15s,color .15s}.dlv-skill-link:hover{background:var(--color-primary-light);color:var(--color-primary)}[data-theme=dark] .dlv-featured-skills{background:var(--void-800);border-color:var(--void-700)}[data-theme=dark] .dlv-skill-link{background:var(--void-700)}.dlv-pricing-cta{margin:var(--space-8)0;border-radius:var(--radius-lg,12px);background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-bg-muted) 100%);border:1px solid var(--color-primary);overflow:hidden}.dlv-pricing-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-5)var(--space-6)}.dlv-pricing-cta-text strong{display:block;font-family:var(--font-heading);font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-1)}.dlv-pricing-cta-text p{font-size:var(--text-sm);color:var(--color-text-secondary);margin:0;line-height:1.5}.dlv-pricing-cta-btn{flex-shrink:0;display:inline-flex;align-items:center;gap:var(--space-2);white-space:nowrap}[data-theme=dark] .dlv-pricing-cta{background:linear-gradient(135deg,rgba(247,147,26,8%) 0%,var(--void-800) 100%);border-color:var(--orange-700)}@media(max-width:768px){.dlv-pricing-cta-inner{flex-direction:column;text-align:center;padding:var(--space-4)}}.dlv-recommended{margin-top:var(--space-6)}.dlv-recommended h3{font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-3)}.dlv-recommended-list{display:flex;flex-wrap:wrap;gap:var(--space-2)}.dlv-recommended-card{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2)var(--space-4);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);text-decoration:none;color:inherit;font-size:var(--text-sm);font-weight:500;transition:border-color .15s,background .15s}.dlv-recommended-card:hover{border-color:var(--color-primary);background:var(--color-bg-muted)}.dlv-recommended-card strong{font-weight:500}.dlv-recommended-card p{display:none}[data-theme=dark] .dlv-recommended-card{background:var(--void-800);border-color:var(--void-700)}[data-theme=dark] .dlv-recommended-card:hover{border-color:var(--orange-600);background:var(--void-700)}.account-prompt-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.account-prompt-modal[hidden]{display:none}.account-prompt-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}.account-prompt-dialog{position:relative;background:var(--color-bg);border-radius:var(--radius-xl,1rem);padding:2rem;max-width:420px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center;animation:promptSlideUp .3s ease-out}@keyframes promptSlideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.account-prompt-header{margin-bottom:1rem}.account-prompt-header svg{display:block;margin:0 auto .75rem;color:var(--color-primary)}.account-prompt-header h3{font-size:1.5rem;margin:0}.account-prompt-dialog>p{color:var(--color-text-secondary);margin:0 0 1.5rem;line-height:1.6}.account-prompt-benefits{list-style:none;padding:0;margin:0 0 1.5rem;text-align:left}.account-prompt-benefits li{display:flex;align-items:center;gap:.75rem;padding:.5rem 0;color:var(--color-text-secondary)}.account-prompt-benefits svg{color:var(--color-success,#10b981);flex-shrink:0}.account-prompt-actions{display:flex;flex-direction:column;gap:.75rem}.account-prompt-actions .btn{width:100%;justify-content:center}@media(max-width:768px){.dlv-cert-card{flex-direction:column;text-align:center}}.dlv-celebration{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);opacity:0;transition:opacity .4s ease;overflow:hidden}.dlv-celebration--visible{opacity:1}.dlv-celebration--fading{opacity:0}.dlv-celebration-content{text-align:center;color:#fff;z-index:1;transform:scale(.8);transition:transform .5s cubic-bezier(.34,1.56,.64,1);max-width:560px;width:calc(100% - 32px);max-height:calc(100vh - 40px);overflow-y:auto;padding:40px 28px 32px;background:#111;border:1px solid #2a2a2a;border-radius:12px;box-shadow:0 24px 80px rgba(0,0,0,.6);position:relative}.dlv-celebration-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:999px;border:none;background:0 0;color:#aaa;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .15s}.dlv-celebration-close:hover{color:#f90}.dlv-celebration-close .material-symbols-outlined{font-size:20px}.dlv-celebration--visible .dlv-celebration-content{transform:scale(1)}.dlv-celebration-icon{font-size:64px;margin-bottom:16px;animation:dlv-bounce .6s ease .3s both}.dlv-celebration-title{font-size:2.25rem;font-weight:800;line-height:1.15;margin:0 0 8px;color:#f90;letter-spacing:-.02em}.dlv-celebration-subtitle{font-size:1rem;color:#aaa;margin:0 auto 20px;max-width:440px;line-height:1.5}.dlv-celebration-subtitle strong{color:#fff;font-weight:600}.dlv-celebration-score{display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,153,0,.1);border:1px solid rgba(255,153,0,.28);margin:0 auto 20px;font-size:.9rem;width:fit-content;max-width:100%}.dlv-celebration-score-label{color:#aaa;font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}.dlv-celebration-score-value{color:#f90;font-weight:700;font-variant-numeric:tabular-nums}.dlv-celebration-learned{text-align:left;margin:0 auto 24px;max-width:460px;background:#1a1a1a;border:1px solid #2a2a2a;border-radius:12px;padding:18px 20px}.dlv-celebration-learned-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#aaa;margin:0 0 12px}.dlv-celebration-lessons{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.dlv-celebration-lesson{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid #2a2a2a}.dlv-celebration-lesson:last-child{border-bottom:none}.dlv-celebration-lesson-num{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:999px;background:rgba(255,153,0,.14);color:#f90;font-size:.72rem;font-weight:700;font-variant-numeric:tabular-nums}.dlv-celebration-lesson-title{flex:1;color:#fff;font-size:.88rem;line-height:1.4}.dlv-celebration-lesson-check{flex-shrink:0;color:#f90;font-size:18px!important;font-variation-settings:'FILL' 1,'wght' 500,'GRAD' 0,'opsz' 20}.dlv-celebration-name-form{margin:0 auto 20px;max-width:420px;text-align:left}.dlv-celebration-name-label{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#aaa;margin-bottom:8px}.dlv-celebration-name-input{display:block;width:100%;padding:12px 16px;border-radius:8px;border:1px solid #2a2a2a;background:#1a1a1a;color:#fff;font-size:.95rem;font-family:inherit;margin-top:8px;transition:border-color .15s,background .15s}.dlv-celebration-name-input:focus{outline:none;border-color:#f90}.dlv-celebration-name-input::placeholder{color:#666}.dlv-celebration-name-input--error{border-color:#ef4444;animation:dlv-shake .3s}@keyframes dlv-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}.dlv-celebration-claim{display:flex;align-items:center;justify-content:center;gap:var(--space-2);width:fit-content;max-width:100%;margin:0 auto 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auto;align-items:center;gap:var(--space-3)}.diagram-pie-legend-swatch{width:12px;height:12px;border-radius:3px;flex-shrink:0}.diagram-pie-legend-label{color:var(--color-text)}.diagram-pie-legend-value{color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-weight:600}@media(max-width:639px){.diagram{padding:var(--space-6)var(--space-4);margin:var(--space-6)0}.diagram-flow{flex-direction:column;gap:0}.diagram-flow-arrow{transform:rotate(90deg);padding:var(--space-1)0}.diagram-flow-node{min-width:unset;width:100%;max-width:280px;flex-direction:column}.diagram-flow-annotation{position:static;transform:none;margin-top:var(--space-1);white-space:normal}.diagram-cards-grid{grid-template-columns:1fr 1fr}.diagram-compare-path{flex-direction:column;gap:var(--space-3)}.diagram-compare-result{min-width:unset;width:100%}.diagram-timeline-labels,.diagram-timeline-dots,.diagram-timeline-details{grid-template-columns:repeat(var(--timeline-cols,5),minmax(140px,1fr))}.diagram-timeline-label{font-size:var(--text-xs)}.diagram-timeline-detail{font-size:11px;line-height:1.45}.diagram-stack-segment{font-size:10px;padding:var(--space-3)var(--space-1);line-height:1.3}.diagram-stack-bar{min-height:60px}}@media(max-width:639px){.diagram-bar-plot{min-height:180px;gap:var(--space-2)}.diagram-bar{max-width:36px}.diagram-bar-row{grid-template-columns:minmax(90px,130px)1fr 44px;gap:var(--space-2)}.diagram-bar-row-label{font-size:12px}.diagram-bar-row-value{font-size:11px}.diagram-pie-wrap{flex-direction:column;gap:var(--space-6)}.diagram-pie-legend{width:100%;max-width:320px}}@media(max-width:400px){.diagram-cards-grid{grid-template-columns:1fr}.diagram-bar-plot{gap:4px}.diagram-bar-label{font-size:10px}}