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var(--space-3-5);background:var(--color-surface);font-size:var(--font-size-body-sm)}.ns-field__hint,.ns-input::placeholder{color:var(--color-text-muted)}.ns-input[aria-invalid=true]{border-color:var(--color-danger)}.ns-input:disabled{cursor:not-allowed;background:var(--color-surface-muted);opacity:.7}.ns-field__error,.ns-field__hint{font-size:var(--font-size-caption);margin:0}.ns-field__error{color:var(--color-danger)}.ns-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);background:var(--color-surface);box-shadow:var(--shadow-surface)}.ns-card[data-padding=sm]{padding:var(--space-4)}.ns-card[data-padding=md]{padding:var(--space-5)}.ns-card[data-padding=lg]{padding:var(--space-6)}.ns-badge{border-radius:var(--radius-pill);min-height:1.5rem;padding:var(--space-1) var(--space-2-5);font-size:var(--font-size-label-xs);font-weight:var(--font-weight-semibold);border:1px solid 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a{min-height:2.75rem;padding-inline:var(--space-4);color:var(--color-text-muted);white-space:nowrap;border-bottom:2px solid #0000;align-items:center;gap:.4rem;text-decoration:none;display:flex}.ns-tabs a[aria-current=page]{border-color:var(--color-brand-primary);color:var(--color-brand-primary);font-weight:600}.ns-tabs a span{background:var(--color-surface-muted);text-align:center;border-radius:1rem;min-width:1.4rem;padding:.15rem .4rem;font-size:.7rem}.ns-icon-button{border:1px solid var(--color-border);border-radius:var(--radius-md);width:2.5rem;height:2.5rem;color:inherit;cursor:pointer;background:0 0;place-items:center;font-size:1.25rem;display:inline-grid}.ns-overlay{z-index:70;padding:var(--space-4);background:#141a2485;place-items:center;display:grid;position:fixed;inset:0}.ns-modal{border-radius:var(--radius-lg);width:min(100%,32rem);max-height:calc(100vh - 2rem);padding:var(--space-6);background:#fff;overflow:auto}.ns-modal>header{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-5);display:flex}.ns-modal h2{font-size:var(--font-size-title);margin:0}.ns-auth-shell{place-content:center;gap:var(--space-6);min-height:100vh;padding:var(--space-8) var(--space-4);background:var(--color-surface-muted);display:grid}.ns-auth-brand{justify-self:center;text-decoration:none}.ns-auth-card{border:1px solid var(--color-border);border-radius:var(--radius-xl);width:min(100vw - 2rem,28rem);padding:var(--space-8);background:#fff}.ns-auth-copy{text-align:center;margin-bottom:var(--space-6)}.ns-auth-copy h1{margin:var(--space-4) 0 var(--space-2);font-size:var(--font-size-heading)}.ns-auth-copy p,.ns-auth-foot{color:var(--color-text-muted);text-align:center;margin:0;line-height:1.55}.ns-auth-mark{color:#fff;background:var(--color-brand-primary);border-radius:50%;place-items:center;width:3rem;height:3rem;font-size:1.3rem;font-weight:700;display:inline-grid}.ns-app-shell{background:var(--color-surface-muted);min-height:100vh}.ns-admin-sidebar,.ns-student-sidebar{z-index:50;width:var(--sidebar-student);padding:var(--space-6);border-right:1px solid var(--color-border);background:#fff;flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0}.ns-admin-sidebar{width:var(--sidebar-admin);color:var(--color-navigation-muted);background:var(--color-navigation-dark)}.ns-admin-sidebar nav,.ns-student-sidebar nav{gap:var(--space-1);margin-top:var(--space-10);display:grid}.ns-admin-sidebar nav a,.ns-student-sidebar nav a{align-items:center;gap:var(--space-3);border-radius:var(--radius-md);min-height:2.75rem;padding:0 var(--space-3);color:var(--color-text-muted);text-decoration:none;display:flex}.ns-admin-sidebar nav a{color:var(--color-navigation-muted)}.ns-student-sidebar nav a[data-active]{color:var(--color-brand-primary);background:var(--color-surface-brand-subtle);font-weight:600}.ns-admin-sidebar nav a[data-active]{color:#fff;background:#ffffff1a}.ns-sidebar-label{margin:var(--space-8) 0 0;font-size:var(--font-size-label-xs);letter-spacing:.12em}.ns-sidebar-bottom{gap:var(--space-3);padding-top:var(--space-5);border-top:1px solid var(--color-border);margin-top:auto;display:grid}.ns-admin-sidebar .ns-sidebar-bottom{border-color:var(--color-divider-dark)}.ns-sidebar-bottom button,.ns-sidebar-bottom>a{color:var(--color-text-muted);text-align:left;cursor:pointer;background:0 0;border:0;text-decoration:none}.ns-user-block{align-items:center;gap:var(--space-3);min-width:0;display:flex}.ns-user-block>span:last-child{min-width:0;display:grid}.ns-user-block small,.ns-user-block 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4rem));padding:var(--space-8);margin-inline:auto}.ns-sidebar-backdrop{z-index:40;background:#141a2473;border:0;position:fixed;inset:0}.ns-legal{max-width:52rem;line-height:1.8}.ns-route-loading{align-content:start;gap:var(--space-6);min-height:100vh;padding:var(--space-8);background:var(--color-surface-muted);display:grid}.ns-route-loading>.ns-skeleton:first-child{width:min(100%,20rem);height:3rem}.ns-route-loading>.ns-skeleton:nth-child(2){width:min(100%,40rem);height:1.5rem}.ns-route-loading>div{gap:var(--space-5);grid-template-columns:repeat(3,1fr);display:grid}.ns-course-skeleton,.ns-route-loading>div .ns-skeleton{height:22rem}.ns-system-page{min-height:100vh;padding:var(--space-4);background:var(--color-surface-muted);place-items:center;display:grid}.ns-system-page .ns-state{width:min(100%,36rem)}.ns-system-code{color:var(--color-brand-primary);font-size:var(--font-size-display)}.ns-legal{max-width:50rem;padding-block:var(--space-15)}.ns-legal 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p{font-size:var(--font-size-caption)}.ns-admin-dashboard-grid{align-items:start;gap:var(--space-6);grid-template-columns:1.5fr .7fr;display:grid}.ns-card-header{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-5);display:flex}.ns-card-header h2{font-size:var(--font-size-title-sm);margin:0}.ns-card-header p{color:var(--color-text-muted);font-size:var(--font-size-label);margin:.25rem 0 0}.ns-card-header a{color:var(--color-brand-primary);font-size:var(--font-size-label);font-weight:600}.ns-table-wrap{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;max-width:100%;overflow-x:auto}.ns-card>.ns-table-wrap{border:0;border-radius:0}.ns-admin-table{border-collapse:collapse;width:100%;font-size:var(--font-size-body-sm)}.ns-admin-table th{padding:var(--space-3) var(--space-4);color:var(--color-text-muted);background:var(--color-surface-muted);font-size:var(--font-size-label);text-align:left;white-space:nowrap}.ns-admin-table td{min-width:7rem;padding:var(--space-4);border-top:1px solid var(--color-border);vertical-align:middle}.ns-admin-table td:first-child{min-width:12rem}.ns-admin-table td>small,.ns-admin-table td>strong{display:block}.ns-admin-table td>small{color:var(--color-text-muted);margin-top:.2rem}.ns-row-actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.ns-row-actions a,.ns-row-actions button,.ns-table-link{color:var(--color-brand-primary);font-size:var(--font-size-label);cursor:pointer;background:0 0;border:0;padding:0;font-weight:600;text-decoration:none}.ns-test-stats{gap:var(--space-4);margin-bottom:var(--space-6);grid-template-columns:1fr 1fr;display:grid}.ns-test-stats span{gap:.25rem;display:grid}.ns-test-stats strong{font-size:var(--font-size-heading)}.ns-test-stats small{color:var(--color-text-muted)}.ns-test-stats i{height:.3rem;margin-top:var(--space-2);background:var(--color-success);border-radius:1rem}.ns-test-stats i[data-tone=danger]{background:var(--color-danger)}.ns-admin-filters{align-items:end;gap:var(--space-4);margin-bottom:var(--space-5);grid-template-columns:minmax(16rem,2fr) minmax(12rem,1fr);display:grid}.ns-editor{align-items:start;gap:var(--space-5);grid-template-columns:13rem minmax(0,1fr);display:grid}.ns-editor-tabs{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;display:grid;overflow:hidden}.ns-editor-tabs button{border:0;border-bottom:1px solid var(--color-border);min-height:2.9rem;padding-inline:var(--space-4);color:var(--color-text-muted);text-align:left;cursor:pointer;background:0 0}.ns-editor-tabs button:last-child{border-bottom:0}.ns-editor-tabs button[data-active]{color:var(--color-brand-primary);background:var(--color-surface-brand-subtle);font-weight:700}.ns-editor-panel{gap:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-7);background:#fff;display:grid}.ns-editor-panel>h2,.ns-editor-section-head h2{margin:0}.ns-publish-check{padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted)}.ns-publish-check ul{gap:var(--space-2);margin-bottom:0;display:grid}.ns-editor-section-head{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.ns-editor-section-head p{color:var(--color-text-muted);margin:.3rem 0 0}.ns-curriculum-editor>section{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.ns-curriculum-editor article>header,.ns-curriculum-editor>section>header{align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--color-surface-muted);display:flex}.ns-curriculum-editor header>div{flex:1;display:grid}.ns-curriculum-editor header small{color:var(--color-text-muted)}.ns-curriculum-editor>section>div{gap:var(--space-4);padding:var(--space-4);display:grid}.ns-curriculum-editor article{border:1px solid var(--color-border);border-radius:var(--radius-md)}.ns-curriculum-editor article ul{margin:0;padding:0;list-style:none}.ns-curriculum-editor article li{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border);grid-template-columns:auto 1fr auto;display:grid}.ns-curriculum-editor article li>span:nth-child(2){display:grid}.ns-curriculum-editor article li small{color:var(--color-text-muted)}.ns-curriculum-editor article a,.ns-curriculum-editor article button{color:var(--color-brand-primary);cursor:pointer;background:0 0;border:0}.ns-curriculum-editor article footer{gap:var(--space-2);padding:var(--space-3);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.ns-curriculum-wrap,.ns-image-picker{gap:var(--space-5);display:grid}.ns-image-picker{align-items:start;grid-template-columns:minmax(0,1fr) 12rem}.ns-image-picker__field{gap:var(--space-3);min-width:0;display:grid}.ns-image-picker__actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.ns-image-picker__preview{border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface-muted);color:var(--color-text-muted);font-size:var(--font-size-label);text-align:center;place-items:center;display:grid;overflow:hidden}.ns-image-picker__preview>img{object-fit:cover;width:100%;height:100%;display:block}.ns-image-picker__preview>span{padding:var(--space-3)}.ns-access-list{gap:var(--space-2);margin:0 0 var(--space-4);padding:0;list-style:none;display:grid}.ns-access-list li>span:first-child{gap:.1rem;display:grid}.ns-access-list small{color:var(--color-text-muted);font-size:var(--font-size-caption)}.ns-device-panel{gap:var(--space-4);margin-top:var(--space-8);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:#fff;display:grid}.ns-device-panel>header h2{font-size:var(--font-size-title-sm);margin:0}.ns-device-panel>header p{color:var(--color-text-muted);font-size:var(--font-size-label);margin:.3rem 0 0;line-height:1.5}.ns-access-list li{justify-content:space-between;align-items:center;gap:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);display:flex}.ns-order-mark{border-radius:var(--radius-sm);width:1.6rem;height:1.6rem;color:var(--color-text-muted);background:var(--color-surface-muted);font-size:var(--font-size-label);flex:none;place-items:center;font-weight:600;display:grid}.ns-curriculum-editor article li .ns-order-mark{background:var(--color-surface-brand-subtle);color:var(--color-brand-primary)}.ns-curriculum-editor{gap:var(--space-4);display:grid}.ns-curriculum-editor article footer{align-items:center}.ns-curriculum-editor article li>span:nth-child(2){gap:.2rem}.ns-curriculum-editor article li .ns-check{font-size:var(--font-size-label)}.ns-row-actions button[disabled]{opacity:.35;cursor:not-allowed}.ns-inline-name{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.ns-inline-name .ns-input{flex:12rem;min-width:0}.ns-editor-empty{gap:var(--space-3);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--color-surface-muted);justify-items:start;display:grid}.ns-editor-empty h2{font-size:var(--font-size-title-sm);margin:0}.ns-editor-empty p{color:var(--color-text-muted);max-width:52ch;margin:0}.ns-test-course-picker{align-items:end;gap:var(--space-5);margin-bottom:var(--space-5);grid-template-columns:minmax(14rem,22rem) auto 1fr;display:grid}.ns-test-course-meta{gap:var(--space-6);display:flex}.ns-test-course-meta span{display:grid}.ns-test-course-meta small{color:var(--color-text-muted);font-size:var(--font-size-label)}.ns-test-course-meta strong{font-size:var(--font-size-title-sm)}.ns-test-course-picker>a{justify-self:end}.ns-test-layout{align-items:start;gap:var(--space-5);grid-template-columns:20rem minmax(0,1fr);display:grid}.ns-test-tree{gap:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);top:var(--space-5);background:#fff;max-height:calc(100vh - 3rem);display:grid;position:sticky;overflow:hidden auto}.ns-test-tree>section{gap:.2rem;display:grid}.ns-test-tree h3{margin:0 0 var(--space-2);color:var(--color-text-muted);font-size:var(--font-size-label-xs);letter-spacing:.04em;font-weight:700}.ns-test-tree button{justify-content:space-between;align-items:center;gap:var(--space-2);border-radius:var(--radius-md);min-height:2.6rem;padding:var(--space-2) var(--space-3);color:var(--color-text-primary);font-size:var(--font-size-label);text-align:left;cursor:pointer;background:0 0;border:0;display:flex}.ns-test-tree button:hover{background:var(--color-surface-muted)}.ns-test-tree button[data-active]{color:var(--color-brand-primary);background:var(--color-surface-brand-subtle);font-weight:600}.ns-test-tree p{padding-inline:var(--space-3);font-size:var(--font-size-label);margin:0}.ns-test-editor{gap:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:0;padding:var(--space-6);background:#fff;display:grid}.ns-test-editor .ns-question-builder,.ns-test-editor .ns-test-settings{margin-bottom:0}.ns-manager-grid{gap:var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.ns-manager-card{gap:var(--space-5);display:flex}.ns-manager-card h2{font-size:var(--font-size-title-sm);margin:0}.ns-manager-card strong{color:var(--color-brand-primary)}.ns-manager-card p{color:var(--color-text-muted);line-height:1.55}.ns-inline-form{z-index:60;width:min(100%,32rem);height:100vh;padding:var(--space-6);border-left:1px solid var(--color-border);background:#fff;position:fixed;top:0;right:0;overflow:auto;box-shadow:-1rem 0 3rem #141a241f}.ns-detail-drawer>header,.ns-inline-form>header{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);display:flex}.ns-detail-drawer h2,.ns-inline-form h2{margin:0}.ns-detail-drawer header button,.ns-inline-form header button{cursor:pointer;background:0 0;border:0;font-size:1.5rem}.ns-inline-form form{gap:var(--space-5);display:grid}.ns-segment-buttons{gap:var(--space-2);margin-block:var(--space-4);flex-wrap:wrap;display:flex}.ns-segment-buttons button{min-height:var(--control-height-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);padding-inline:var(--space-3);white-space:nowrap;background:#fff}.ns-segment-buttons button[data-active]{border-color:var(--color-brand-primary);color:#fff;background:var(--color-brand-primary)}.ns-segment-buttons a{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2-5) var(--space-4);color:var(--color-text-secondary);text-decoration:none}.ns-segment-buttons a[data-active]{border-color:var(--color-brand-primary);color:#fff;background:var(--color-brand-primary)}.ns-detail-drawer{z-index:60;border-left:1px solid var(--color-border);width:min(100%,28rem);height:100vh;padding:var(--space-6);background:#fff;position:fixed;top:0;right:0;overflow:auto;box-shadow:-1rem 0 3rem #141a241f}.ns-detail-drawer header small{color:var(--color-brand-primary)}.ns-detail-drawer dl{gap:var(--space-5);display:grid}.ns-detail-drawer dl div{padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border);gap:.35rem;display:grid}.ns-detail-drawer dt{color:var(--color-text-muted);font-size:var(--font-size-label)}.ns-detail-drawer dd{margin:0}.ns-detail-drawer footer{justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-8);display:flex}.ns-users-layout{align-items:start;gap:var(--space-5);grid-template-columns:minmax(0,1.5fr) minmax(18rem,.6fr);display:grid}.ns-user-detail{text-align:center}.ns-user-detail .ns-profile-avatar{margin-inline:auto}.ns-user-detail h2{margin-bottom:0}.ns-user-detail>p{color:var(--color-text-muted)}.ns-user-detail dl{gap:var(--space-3);margin-block:var(--space-5);grid-template-columns:1fr 1fr;display:grid}.ns-user-detail dl div{padding:var(--space-3);background:var(--color-surface-muted)}.ns-user-detail dt{color:var(--color-text-muted);font-size:var(--font-size-caption)}.ns-user-detail dd{margin:.3rem 0 0;font-weight:700}.ns-user-detail h3{text-align:left}.ns-test-settings{align-items:end;gap:var(--space-5);margin-bottom:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);background:#fff;grid-template-columns:2fr 1fr auto;display:grid}.ns-test-settings>div:last-child{gap:.3rem;min-width:7rem;display:grid}.ns-test-settings small{color:var(--color-text-muted)}.ns-test-settings strong{font-size:var(--font-size-title)}.ns-question-builder{gap:var(--space-5);margin-bottom:var(--space-5);display:grid}.ns-builder-card>header{align-items:center;gap:var(--space-3);margin-bottom:var(--space-5);display:flex}.ns-builder-card>header strong{flex:1}.ns-builder-card>header button{cursor:pointer;background:0 0;border:0;font-size:1.3rem}.ns-builder-card fieldset{gap:var(--space-3);margin-top:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);display:grid}.ns-builder-card legend{padding-inline:var(--space-2);font-weight:600}.ns-builder-card fieldset>div{align-items:center;gap:var(--space-3);grid-template-columns:auto 1fr;display:grid}.ns-builder-card fieldset input[type=radio]{width:1.2rem;height:1.2rem;accent-color:var(--color-success)}.ns-testimonial-admin{align-content:start;gap:var(--space-3);display:grid}.ns-testimonial-admin .ns-badge{justify-self:start}.ns-testimonial-admin blockquote{margin:var(--space-3) 0;line-height:1.65}.ns-testimonial-admin small{color:var(--color-text-muted)}.ns-settings{max-width:54rem}.ns-settings,.ns-settings .ns-card{gap:var(--space-5);display:grid}.ns-settings h2{margin:0}.ns-notice{align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);border:1px solid var(--color-warning);border-radius:var(--radius-lg);padding:var(--space-4);background:#fff;grid-template-columns:auto 1fr auto;display:grid}.ns-notice p{color:var(--color-text-muted);margin:.25rem 0 0}.ns-notice a{color:var(--color-brand-primary);font-weight:600}.ns-continue-card{align-items:center;gap:var(--space-8);margin-bottom:var(--space-6);border-radius:var(--radius-xl);padding:var(--space-8);color:#fff;background:var(--color-brand-primary);grid-template-columns:1fr auto;display:grid;overflow:hidden}.ns-continue-card .ns-eyebrow,.ns-continue-card .ns-progress-label{color:var(--color-text-inverse-muted)!important}.ns-continue-card .ns-progress-label strong{color:#fff}.ns-continue-card .ns-progress{background:#ffffff40}.ns-continue-card .ns-progress span{background:#fff}.ns-continue-card h2{max-width:40rem;margin:var(--space-3) 0;font-size:var(--font-size-heading)}.ns-continue-card>div:first-child>p:not(.ns-eyebrow){color:var(--color-text-inverse-muted)}.ns-continue-card .ns-progress-wrap{max-width:30rem;margin-block:var(--space-6)}.ns-continue-card .ns-link-button{color:var(--color-brand-primary);background:#fff}.ns-continue-mark{text-align:center;border:1rem solid #ffffff38;border-radius:50%;place-content:center;width:9rem;height:9rem;display:grid}.ns-continue-mark strong{font-size:var(--font-size-heading)}.ns-continue-mark span{font-size:var(--font-size-label);opacity:.75}.ns-stat-grid{gap:var(--space-5);margin-bottom:var(--space-10);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.ns-stat-grid .ns-card{gap:.4rem;display:grid}.ns-stat-grid small,.ns-stat-grid span{color:var(--color-text-muted)}.ns-stat-grid strong{font-size:var(--font-size-heading)}.ns-dashboard-section>header{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-5);display:flex}.ns-dashboard-section h2{margin:0}.ns-dashboard-section header a{color:var(--color-brand-primary)}.ns-student-course-grid{gap:var(--space-6);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.ns-student-course{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;grid-template-columns:11rem 1fr;min-width:0;display:grid;overflow:hidden}.ns-student-course .ns-course-visual{min-height:100%}.ns-student-course>div:last-child{align-content:start;gap:var(--space-3);padding:var(--space-5);display:grid}.ns-student-course h2{font-size:var(--font-size-title-sm);margin:0;line-height:1.4}.ns-student-course p{color:var(--color-text-muted);margin:0}.ns-student-course .ns-link-button{margin-top:var(--space-2);justify-self:start}.ns-learning-layout{align-items:start;gap:var(--space-7);grid-template-columns:19rem minmax(0,1fr);display:grid}.ns-learning-sidebar{top:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;max-height:calc(100vh - 2.5rem);position:sticky;overflow:auto}.ns-learning-sidebar>header{padding:var(--space-5);border-bottom:1px solid var(--color-border)}.ns-learning-sidebar>header>a{color:var(--color-brand-primary);font-size:var(--font-size-label)}.ns-learning-sidebar h1{margin:var(--space-4) 0;font-size:var(--font-size-title-sm);line-height:1.4}.ns-learning-sidebar nav>details>summary{padding:var(--space-4);background:var(--color-surface-muted);cursor:pointer;font-weight:700}.ns-learning-sidebar nav section{padding:var(--space-3);border-bottom:1px solid var(--color-border)}.ns-learning-sidebar nav section h2{justify-content:space-between;gap:var(--space-2);margin:var(--space-2);font-size:var(--font-size-label);display:flex}.ns-learning-sidebar nav section h2 span{color:var(--color-text-muted);font-size:var(--font-size-label-xs)}.ns-lesson-link{align-items:center;gap:var(--space-2);border-radius:var(--radius-md);min-height:2.7rem;padding:var(--space-2);color:var(--color-text-muted);font-size:var(--font-size-label);margin-block:.2rem;text-decoration:none;display:flex}.ns-lesson-link[data-active]{color:var(--color-brand-primary);background:var(--color-surface-brand-subtle);font-weight:600}.ns-lesson-link[data-status=completed] i{color:var(--color-success)}.ns-lesson-link[data-status=locked]{opacity:.6}.ns-lesson-link>i{flex:none;font-style:normal}.ns-lesson-link>.ns-badge{margin-left:auto}.ns-learning-toggle{display:none}.ns-learning-main,.ns-lesson,.ns-test-card,.ns-test-result,.ns-test-taking{border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:0;padding:var(--space-8);background:#fff}.ns-learning-welcome{margin-bottom:var(--space-10);border-radius:var(--radius-lg);padding:var(--space-8);background:var(--color-surface-muted)}.ns-learning-welcome h1{margin:var(--space-4) 0;font-size:var(--font-size-heading-lg)}.ns-learning-welcome>p{max-width:48rem;color:var(--color-text-muted);line-height:1.65}.ns-learning-welcome .ns-progress-wrap{max-width:30rem;margin-block:var(--space-6)}.ns-module-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.ns-module-grid small{color:var(--color-brand-primary);font-weight:700}.ns-module-grid h3{margin:var(--space-3) 0}.ns-breadcrumb,.ns-module-grid p{color:var(--color-text-muted)}.ns-breadcrumb{gap:var(--space-2);font-size:var(--font-size-label);flex-wrap:wrap;display:flex}.ns-breadcrumb a{color:var(--color-brand-primary)}.ns-lesson>h1{margin:var(--space-5) 0 var(--space-2);font-size:var(--font-size-heading-lg)}.ns-lesson-meta,.ns-video-note{color:var(--color-text-muted)}.ns-video-note{margin:calc(var(--space-5) * -1) 0 var(--space-6);font-size:var(--font-size-caption);line-height:1.5}.ns-video{place-content:center;justify-items:center;gap:var(--space-4);min-height:min(31rem,48vw);margin-block:var(--space-7);border-radius:var(--radius-lg);color:#fff;background:var(--color-navigation-dark);display:grid}.ns-video button{width:4rem;height:4rem;color:var(--color-brand-primary);cursor:pointer;background:#fff;border:0;border-radius:50%;place-items:center;font-size:1.3rem;display:grid}.ns-video p{color:var(--color-text-inverse-muted);margin:0}.ns-video--embed{aspect-ratio:16/9;min-height:0;display:block;overflow:hidden}.ns-video--embed>iframe,.ns-video--embed>video{border:0;width:100%;height:100%;display:block}.ns-video--embed{position:relative}.ns-video-mark{z-index:2;border-radius:var(--radius-sm);color:#ffffff9e;max-width:60%;font-size:var(--font-size-caption);text-shadow:0 1px 2px #00000073;pointer-events:none;-webkit-user-select:none;user-select:none;background:#141a2438;padding:.2rem .5rem;line-height:1.3;transition:top .6s,left .6s,right .6s,bottom .6s;position:absolute}@media (prefers-reduced-motion:reduce){.ns-video-mark{transition:none}}.ns-lesson-content{line-height:1.75}.ns-lesson-content a{color:var(--color-brand-primary)}.ns-practice{margin-top:var(--space-8);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--color-surface-muted)}.ns-practice h2{margin:var(--space-4) 0}.ns-practice p{line-height:1.65}.ns-save-message{color:var(--color-success);font-weight:600}.ns-lesson-actions{justify-content:space-between;gap:var(--space-3);margin-top:var(--space-8);padding-top:var(--space-6);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.ns-test-card,.ns-test-result{justify-items:center;gap:var(--space-5);padding-block:var(--space-15);text-align:center;display:grid}.ns-test-card h1,.ns-test-result h1{font-size:var(--font-size-heading-lg);margin:0}.ns-test-card p,.ns-test-result p{max-width:38rem;color:var(--color-text-muted);margin:0;line-height:1.65}.ns-test-card .ns-progress-wrap{width:min(100%,28rem)}.ns-test-taking>header{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.ns-test-taking>header h1{margin:var(--space-2) 0}.ns-test-taking>header>strong{color:var(--color-brand-primary);font-size:var(--font-size-title)}.ns-test-taking>.ns-progress-wrap{margin-block:var(--space-5) var(--space-8)}.ns-question h2{max-width:48rem;margin-bottom:var(--space-6);font-size:var(--font-size-title);line-height:1.5}.ns-question>div{gap:var(--space-3);display:grid}.ns-question .ns-radio{border:1px solid var(--color-border);border-radius:var(--radius-md);min-height:3.5rem;padding:var(--space-4);color:var(--color-text-primary);align-items:center}.ns-question .ns-radio:has(input:checked){border-color:var(--color-brand-primary);background:var(--color-surface-brand-subtle)}.ns-test-taking>footer{justify-content:space-between;gap:var(--space-3);margin-top:var(--space-8);display:flex}.ns-test-hint{color:var(--color-text-muted);font-size:var(--font-size-caption);text-align:center}.ns-result-ring{border:.7rem solid var(--color-success);width:8rem;height:8rem;color:var(--color-success);font-size:var(--font-size-heading-lg);border-radius:50%;place-items:center;font-weight:700;display:grid}.ns-test-result[data-result=failed] .ns-result-ring{border-color:var(--color-danger);color:var(--color-danger)}.ns-result-stats{justify-content:center;gap:var(--space-10);flex-wrap:wrap;display:flex}.ns-result-stats span{display:grid}.ns-result-stats strong{font-size:var(--font-size-title)}.ns-result-stats small{color:var(--color-text-muted)}.ns-profile-wrap{max-width:54rem;margin-inline:auto}.ns-profile-wrap>header{margin-bottom:var(--space-7)}.ns-profile-wrap h1{margin:var(--space-2) 0;font-size:var(--font-size-heading-lg)}.ns-profile-wrap header p:last-child{color:var(--color-text-muted)}.ns-profile-form{gap:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-7);background:#fff;display:grid}.ns-profile-avatar{color:#fff;background:var(--color-brand-primary);width:5rem;height:5rem;font-size:var(--font-size-title);border-radius:50%;place-items:center;font-weight:700;display:grid}.ns-form-grid{gap:var(--space-5);grid-template-columns:1fr 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div{padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-surface-brand-subtle)}.ns-referral-metrics dt{color:var(--color-text-muted);font-size:var(--font-size-caption)}.ns-referral-metrics dd{margin:var(--space-1) 0 0;color:var(--color-brand-primary);font-size:var(--font-size-title);font-weight:700}.ns-admin-filters--single{grid-template-columns:minmax(16rem,32rem)}.ns-referral-drawer{width:min(100%,40rem)}.ns-referral-discount{gap:var(--space-3);margin:var(--space-6) 0;padding-block:var(--space-5);border-block:1px solid var(--color-border);display:grid}.ns-referral-people ul ul,.ns-referral-people>ul{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.ns-referral-people>ul>li{gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);display:grid}.ns-referral-people li div,.ns-referral-people li div>*{display:block}.ns-referral-people li small{margin-top:var(--space-1)}.ns-referral-people ul ul li{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.ns-enrollment-cta s{color:var(--color-text-muted);display:block}.ns-enrollment-cta s,.ns-enrollment-cta>div>.ns-badge{margin-top:var(--space-2)}.ns-auth-form{gap:var(--space-4);display:grid}.ns-device-list{gap:var(--space-3);border:1px solid var(--color-warning);border-radius:var(--radius-md);padding:var(--space-4);margin:0;display:grid}.ns-device-list legend{padding-inline:var(--space-2);font-weight:600}.ns-device-list p{color:var(--color-text-muted);font-size:var(--font-size-label);margin:0;line-height:1.5}.ns-auth-recovery,.ns-auth-switch{margin:var(--space-5) 0 0;color:var(--color-text-muted);text-align:center}.ns-auth-recovery{margin-top:var(--space-3);font-size:var(--font-size-label)}.ns-auth-foot a,.ns-auth-recovery a,.ns-auth-switch a{color:var(--color-brand-primary);font-weight:600}.ns-recovery{justify-items:stretch;gap:var(--space-4);text-align:center;display:grid}.ns-recovery .ns-state__icon{justify-self:center}.ns-recovery h2{font-size:var(--font-size-title);margin:0}.ns-recovery p{margin:0;line-height:1.55}.ns-section{padding-block:var(--space-20)}.ns-page-hero,.ns-section--muted{background:var(--color-surface-muted)}.ns-section-heading{justify-content:space-between;align-items:end;gap:var(--space-6);margin-bottom:var(--space-8);display:flex}.ns-centered-heading h2,.ns-faq-summary h2,.ns-how h2,.ns-section-heading h2,.ns-story-grid h2{margin:var(--space-2) 0 0;font-size:var(--font-size-heading-lg)}.ns-faq-summary a,.ns-section-heading>a{color:var(--color-brand-primary);font-weight:600;text-decoration:none}.ns-centered-heading{max-width:42rem;margin:0 auto var(--space-10);text-align:center}.ns-centered-heading p:last-child{color:var(--color-text-muted);line-height:1.7}.ns-hero{padding-block:var(--space-20);background:var(--color-surface-muted);overflow:hidden}.ns-hero__grid{align-items:center;gap:var(--space-15);grid-template-columns:1.05fr .95fr;display:grid}.ns-hero h1{max-width:42rem;margin:var(--space-3) 0 var(--space-5);font-size:clamp(2.5rem,5vw,var(--font-size-display));line-height:var(--line-height-display);letter-spacing:-.045em}.ns-hero h1 span{color:var(--color-brand-primary)}.ns-hero__lead{max-width:38rem;color:var(--color-text-muted);font-size:var(--font-size-title-sm);line-height:1.65}.ns-hero__actions{gap:var(--space-3);margin-top:var(--space-7);flex-wrap:wrap;display:flex}.ns-hero__trust{gap:var(--space-8);margin-top:var(--space-10);flex-wrap:wrap;display:flex}.ns-hero__trust span{display:grid}.ns-hero__trust strong{font-size:var(--font-size-title-sm)}.ns-hero__trust small{color:var(--color-text-muted);margin-top:.2rem}.ns-hero-art{border-radius:var(--radius-2xl);background:var(--color-brand-primary);place-items:center;min-height:27rem;display:grid;position:relative}.ns-hero-art:after,.ns-hero-art:before{content:"";border:1px solid 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p{color:var(--color-text-muted);line-height:1.65}.ns-final-cta{padding-block:var(--space-15);color:#fff;background:var(--color-brand-primary);text-align:center}.ns-final-cta h2{font-size:var(--font-size-heading-lg);margin:0}.ns-final-cta p{margin:var(--space-3) 0 var(--space-6);opacity:.8}.ns-page-hero{padding-block:var(--space-15);text-align:center}.ns-page-hero h1{max-width:52rem;margin:var(--space-3) auto;font-size:clamp(2rem,4vw,var(--font-size-display));letter-spacing:-.04em;line-height:1.15}.ns-page-hero p:last-child{max-width:42rem;color:var(--color-text-muted);font-size:var(--font-size-body-lg);margin:0 auto;line-height:1.6}.ns-filters{align-items:end;gap:var(--space-4);margin-bottom:var(--space-5);padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;grid-template-columns:2fr 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span{width:2rem;height:2rem;color:var(--color-brand-primary);background:var(--color-surface-brand-subtle);font-size:var(--font-size-label);border-radius:50%;flex:none;place-items:center;font-weight:700;display:grid}.ns-simple-list{padding-left:1.2rem;list-style:outside}.ns-simple-list li{padding-left:var(--space-2);line-height:1.6}.ns-curriculum{gap:var(--space-3);margin-top:var(--space-5);display:grid}.ns-curriculum>details{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.ns-curriculum>details>summary{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-5);background:var(--color-surface-muted);cursor:pointer;display:flex}.ns-curriculum summary>span:first-child{gap:.2rem;display:grid}.ns-curriculum summary small{color:var(--color-text-muted);text-transform:uppercase}.ns-curriculum section{padding:var(--space-4) var(--space-5)}.ns-curriculum section+section{border-top:1px solid var(--color-border)}.ns-curriculum section h3{font-size:var(--font-size-body)}.ns-curriculum-lesson{align-items:center;gap:var(--space-3);padding-block:var(--space-3);grid-template-columns:auto 1fr auto;display:grid}.ns-curriculum-lesson>span:nth-child(2){gap:.2rem;display:grid}.ns-curriculum-lesson small{color:var(--color-text-muted)}.ns-curriculum-lesson a{color:var(--color-brand-primary);font-size:var(--font-size-label);font-weight:600}.ns-detail-aside{gap:var(--space-4);display:grid;position:sticky;top:6rem}.ns-enrollment-cta{gap:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:#fff;display:grid}.ns-enrollment-cta>div:first-child{display:grid}.ns-enrollment-cta>div:first-child small{color:var(--color-text-muted)}.ns-enrollment-cta>div:first-child strong{color:var(--color-brand-primary);font-size:var(--font-size-heading);margin-top:.2rem}.ns-enrollment-cta p{color:var(--color-success);font-size:var(--font-size-label);margin:0;line-height:1.5}.ns-enrollment-cta ul{gap:var(--space-3);padding:var(--space-4) 0 0;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:var(--font-size-label);margin:0;list-style:none;display:grid}.ns-enrollment-cta li:before{margin-right:var(--space-2);color:var(--color-success);content:"✓"}.ns-detail-aside>a{color:var(--color-brand-primary);text-align:center}.ns-story-grid{align-items:center;gap:var(--space-15);margin-bottom:var(--space-15);grid-template-columns:1fr 1fr;display:grid}.ns-story-grid p{color:var(--color-text-muted);line-height:1.75}.ns-value-card{border-radius:var(--radius-xl);padding:var(--space-10);color:#fff;background:var(--color-brand-primary)}.ns-value-card strong{font-size:var(--font-size-title);line-height:1.5}.ns-value-card p{color:var(--color-text-inverse-muted)}.ns-contact-grid{gap:var(--space-15);grid-template-columns:.8fr 1.2fr;display:grid}.ns-contact-grid h2{font-size:var(--font-size-heading)}.ns-contact-grid dl{gap:var(--space-5);margin-top:var(--space-8);display:grid}.ns-contact-grid dl div{gap:.3rem;display:grid}.ns-contact-grid dt{color:var(--color-text-muted);font-size:var(--font-size-label)}.ns-contact-grid dd{margin:0;font-weight:600}.ns-form-card{gap:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-7);background:#fff;display:grid}.ns-form-note{color:var(--color-text-muted);font-size:var(--font-size-caption);margin:0;line-height:1.5}}@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);border-width:0}.absolute{position:absolute}.relative{position:relative}.block{display:block}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}}:root{--color-brand-primary:#1d4e79;--color-background:#fff;--color-surface:#fff;--color-surface-muted:#f6f9fc;--color-surface-brand-subtle:#1d4e791f;--color-text-primary:#1b1e25;--color-text-muted:#6b7078;--color-text-inverse:#fff;--color-text-inverse-muted:#bfc7d1;--color-border:#e5e8ed;--color-border-strong:#d9dee5;--color-navigation-dark:#141a24;--color-footer-dark:#171c26;--color-divider-dark:#333842;--color-navigation-muted:#b2bac7;--color-success:#218c54;--color-success-surface:#e3f5e8;--color-warning:#f59e0a;--color-danger:#c33;--font-family-sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe 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