*{box-sizing:border-box}html{background:var(--color-background);scroll-behavior:smooth}body{min-width:320px;font-family:var(--font-ui);color:var(--color-foreground);background:var(--color-background);font-size:var(--text-base);text-align:start;text-rendering:optimizelegibility;margin:0;line-height:1.65}button,input,select,textarea{font:inherit}button,a,input,select,textarea{transition:background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard)}a{color:inherit}:focus-visible{outline:3px solid color-mix(in srgb, var(--color-focus) 42%, white);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1{font-size:var(--text-2xl);margin-bottom:var(--space-2);letter-spacing:-.02em;line-height:1.25}h2{font-size:var(--text-lg);line-height:1.35}h3{font-size:var(--text-base);line-height:1.4}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.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}.skip-link{inset-inline-start:var(--space-4);z-index:1000;background:var(--color-foreground);color:#fff;padding:var(--space-3) var(--space-4);border-radius:var(--radius);text-decoration:none;position:fixed;top:-5rem}.skip-link:focus{top:var(--space-4)}.ui-app-shell{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);min-height:100vh;display:grid}.ui-sidebar{height:100vh;padding:var(--space-6) var(--space-5);border-inline-end:1px solid var(--color-sidebar-border);background:var(--color-sidebar);color:var(--color-sidebar-foreground);flex-direction:column;display:flex;position:sticky;top:0;overflow-y:auto}.ui-brand{align-items:center;gap:var(--space-3);letter-spacing:-.01em;min-height:40px;font-weight:850;text-decoration:none;display:inline-flex}.ui-brand__logo{object-fit:contain;flex:0 0 2rem;width:2rem;max-width:2rem;height:2rem;max-height:2rem;display:block}.ui-brand__mark{color:var(--color-accent);font-weight:950;font-size:var(--text-lg);justify-content:center;align-items:center;line-height:1;display:inline-flex}.ui-sidebar .ui-brand__mark{color:var(--color-accent-surface)}.ui-sidebar__context{margin-top:var(--space-7);padding-bottom:var(--space-5);border-bottom:1px solid var(--color-sidebar-border)}.ui-nav{gap:var(--space-1);margin-top:var(--space-5);display:grid}.ui-nav a{min-height:42px;padding:var(--space-2) var(--space-3);border-radius:var(--radius);color:var(--color-sidebar-muted);font-size:var(--text-sm);border:1px solid #0000;align-items:center;font-weight:700;text-decoration:none;display:flex}.ui-nav a:hover{background:color-mix(in srgb, var(--color-sidebar-foreground) 6%, transparent);color:var(--color-sidebar-foreground)}.ui-nav a[aria-current=page]{color:var(--color-sidebar-foreground);border-color:color-mix(in srgb, var(--color-accent-surface) 28%, var(--color-sidebar-border));background:color-mix(in srgb, var(--color-accent) 34%, var(--color-sidebar))}.ui-sidebar__footer{padding-top:var(--space-6);color:var(--color-sidebar-muted);margin-top:auto}.ui-sidebar .ui-context-switcher{color:var(--color-sidebar-muted)}.ui-sidebar .ui-context-switcher select{border-color:var(--color-sidebar-border);background:color-mix(in srgb, var(--color-sidebar-foreground) 5%, var(--color-sidebar));color:var(--color-sidebar-foreground)}.ui-shell-main{min-width:0}.ui-topbar{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:72px;padding:0 var(--space-8);border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-background) 92%, var(--color-surface));z-index:10;display:flex;position:sticky;top:0}.ui-topbar>strong{font-size:var(--text-sm);font-weight:800}.ui-topbar__account{align-items:center;gap:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm);display:flex}.ui-page{width:min(100%, var(--content-max));padding:var(--space-8);margin-inline:auto}.ui-page-header{justify-content:space-between;align-items:flex-start;gap:var(--space-8);margin-bottom:var(--space-7);display:flex}.ui-page-header h1{margin-bottom:var(--space-2)}.ui-page-header p{color:var(--color-muted-foreground);max-width:var(--prose-max);margin-bottom:0}.ui-page-header__actions{gap:var(--space-2);flex-wrap:wrap;flex:none;display:flex}.ui-breadcrumbs{margin-bottom:var(--space-4);font-size:var(--text-sm);color:var(--color-muted-foreground)}.ui-breadcrumbs ol{align-items:center;gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.ui-breadcrumbs li+li:before{content:"/";color:var(--color-border);margin-inline-end:var(--space-2)}.ui-breadcrumbs a:hover{color:var(--color-accent)}.ui-context-switcher{gap:var(--space-2);color:var(--color-muted-foreground);font-size:var(--text-xs);font-weight:750;display:grid}.ui-context-switcher select,.ui-input{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;min-height:42px;padding:var(--space-2) var(--space-3);background:var(--color-surface);color:var(--color-foreground)}.ui-context-switcher select:hover,.ui-input:hover{border-color:color-mix(in srgb, var(--color-border) 55%, var(--color-foreground))}.ui-input:focus,.ui-context-switcher select:focus{border-color:var(--color-accent)}.ui-input[aria-invalid=true]{border-color:var(--color-danger)}.ui-textarea{resize:vertical;min-height:112px}.ui-field{gap:var(--space-2);display:grid}.ui-field>label{font-size:var(--text-sm);font-weight:750}.ui-field__hint,.ui-field__error{font-size:var(--text-sm);margin-bottom:0}.ui-field__hint{color:var(--color-muted-foreground)}.ui-field__error{color:var(--color-danger)}.ui-checkbox{align-items:center;gap:var(--space-2);min-height:40px;display:inline-flex}.ui-checkbox input{width:18px;height:18px;accent-color:var(--color-accent)}.ui-button{border:1px solid var(--color-border);border-radius:var(--radius);min-height:40px;padding:var(--space-2) var(--space-4);justify-content:center;align-items:center;gap:var(--space-2);cursor:pointer;background:var(--color-surface);color:var(--color-foreground);font-weight:780;line-height:1.25;text-decoration:none;display:inline-flex}.ui-button:hover{background:var(--color-surface-subtle);border-color:color-mix(in srgb, var(--color-border) 58%, var(--color-foreground))}.ui-button:disabled{opacity:.55;cursor:not-allowed}.ui-button--primary{color:var(--color-on-accent);background:var(--color-accent);border-color:var(--color-accent)}.ui-button--primary:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover)}.ui-button--danger{color:var(--color-danger);border-color:color-mix(in srgb, var(--color-danger) 30%, var(--color-border));background:var(--color-surface)}.ui-button--danger:hover{background:var(--color-danger-surface)}.ui-badge{width:fit-content;min-height:24px;padding:var(--space-1) var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius);font-size:var(--text-xs);white-space:nowrap;background:var(--color-surface);color:var(--color-muted-foreground);align-items:center;font-weight:780;display:inline-flex}.ui-badge--accent{color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 58%, var(--color-surface));border-color:color-mix(in srgb, var(--color-accent) 22%, var(--color-border))}.ui-badge--success{color:var(--color-success);background:var(--color-success-surface);border-color:color-mix(in srgb, var(--color-success) 24%, var(--color-border))}.ui-badge--warning{color:var(--color-warning);background:color-mix(in srgb, var(--color-warning-surface) 62%, var(--color-surface));border-color:color-mix(in srgb, var(--color-warning-accent) 42%, var(--color-border))}.ui-badge--danger{color:var(--color-danger);background:var(--color-danger-surface);border-color:color-mix(in srgb, var(--color-danger) 24%, var(--color-border))}.ui-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.ui-panel__header{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:60px;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border);display:flex}.ui-panel__header h2{font-size:var(--text-base);margin:0}.ui-panel__body{padding:var(--space-5)}.ui-stat-grid{gap:var(--space-4);margin-bottom:var(--space-6);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.ui-stat{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-5);min-width:0}.ui-stat__label{color:var(--color-muted-foreground);font-size:var(--text-sm);margin-bottom:var(--space-2)}.ui-stat__value{font-size:var(--text-xl);margin-bottom:var(--space-2);letter-spacing:-.02em;overflow-wrap:anywhere;font-weight:900;line-height:1.2}.ui-stat__meta{color:var(--color-muted-foreground);font-size:var(--text-xs);margin-bottom:0}.ui-content-grid{gap:var(--space-5);grid-template-columns:minmax(0,1.65fr) minmax(18rem,.75fr);align-items:start;display:grid}.ui-stack{gap:var(--space-4);display:grid}.ui-list{gap:0;display:grid}.ui-list-row{padding:var(--space-4) 0;border-bottom:1px solid var(--color-border)}.ui-list-row:first-child{padding-top:0}.ui-list-row:last-child{border-bottom:0;padding-bottom:0}.ui-list-row h3{margin-bottom:var(--space-1)}.ui-list-row p{margin-bottom:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm)}.ui-progress{gap:var(--space-2);display:grid}.ui-progress__label{justify-content:space-between;gap:var(--space-4);color:var(--color-muted-foreground);font-size:var(--text-xs);font-weight:700;display:flex}.ui-progress__track{border-radius:var(--radius);background:var(--color-surface-strong);height:8px;overflow:hidden}.ui-progress__bar{background:var(--color-accent);height:100%;display:block}.ui-table-wrap{border:1px solid var(--color-border);border-radius:var(--radius);overflow-x:auto}.ui-table{border-collapse:collapse;width:100%;font-size:var(--text-sm);background:var(--color-surface)}.ui-table th,.ui-table td{text-align:start;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);white-space:nowrap}.ui-table th{color:var(--color-muted-foreground);font-size:var(--text-xs);background:var(--color-surface-subtle);font-weight:800}.ui-table tbody tr:hover{background:color-mix(in srgb, var(--color-accent-surface) 18%, var(--color-surface))}.ui-table tbody tr:last-child td{border-bottom:0}.ui-pagination{justify-content:flex-end;align-items:center;gap:var(--space-3);margin-top:var(--space-4);font-size:var(--text-sm);color:var(--color-muted-foreground);display:flex}.ui-dialog{border:1px solid var(--color-border);border-radius:var(--radius);width:min(36rem,100vw - 2rem);max-height:calc(100vh - 2rem);color:var(--color-foreground);background:var(--color-surface);box-shadow:var(--shadow-overlay);padding:0}.ui-dialog::backdrop{background:color-mix(in srgb, var(--color-foreground) 40%, transparent)}.ui-dialog__header{justify-content:space-between;align-items:flex-start;gap:var(--space-4);padding:var(--space-5);border-bottom:1px solid var(--color-border);display:flex}.ui-dialog__header h2{margin-bottom:var(--space-1)}.ui-dialog__header p{color:var(--color-muted-foreground);margin:0}.ui-dialog__body{padding:var(--space-5)}.ui-dialog__actions{justify-content:flex-end;gap:var(--space-2);padding:var(--space-4) var(--space-5);border-top:1px solid var(--color-border);display:flex}.ui-toast-region{z-index:100;inset-inline-end:var(--space-4);bottom:var(--space-4);gap:var(--space-2);width:min(22rem,100vw - 2rem);display:grid;position:fixed}.ui-toast{padding:var(--space-3) var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-overlay);font-size:var(--text-sm)}.ui-toast--success{border-color:color-mix(in srgb, var(--color-success) 30%, var(--color-border))}.ui-toast--warning{border-color:color-mix(in srgb, var(--color-warning-accent) 45%, var(--color-border))}.ui-toast--danger{border-color:color-mix(in srgb, var(--color-danger) 30%, var(--color-border))}.ui-state{justify-content:center;align-items:flex-start;gap:var(--space-2);min-height:180px;padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);flex-direction:column;display:flex}.ui-state h2,.ui-state p{margin-bottom:0}.ui-state p{color:var(--color-muted-foreground);max-width:var(--prose-max)}.ui-state--error{border-color:color-mix(in srgb, var(--color-danger) 32%, var(--color-border));background:color-mix(in srgb, var(--color-danger-surface) 60%, var(--color-surface))}.ui-request-id{font-size:var(--text-xs)}.ui-loading-line{border-radius:var(--radius);background:var(--color-surface-strong);width:min(18rem,70%);height:8px;display:block;position:relative;overflow:hidden}.ui-loading-line:after{content:"";background:color-mix(in srgb, var(--color-accent) 18%, var(--color-surface-strong));width:35%;animation:1.2s ease-in-out infinite alternate ui-loading;position:absolute;inset:0 auto 0 0}@keyframes ui-loading{0%{transform:translate(-80%)}to{transform:translate(260%)}}.ui-account-menu{align-items:center;gap:var(--space-3);display:flex}.ui-account-chip{align-items:center;gap:var(--space-2);text-decoration:none;display:inline-flex}.ui-account-chip--link:hover .ui-badge{border-color:var(--color-accent)}.ui-account-chip--muted{color:var(--color-muted-foreground)}.ui-account-copy{gap:1px;line-height:1.2;display:grid}.ui-account-copy strong{color:var(--color-foreground);font-size:var(--text-sm)}.ui-account-copy small{color:var(--color-muted-foreground);font-size:var(--text-xs);text-align:end;direction:ltr}.ui-account-initials{border:1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));border-radius:var(--radius);width:34px;height:34px;color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 44%, var(--color-surface));justify-content:center;align-items:center;font-weight:850;display:inline-flex}.ui-account-signout{min-height:34px;padding-inline:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-muted-foreground);font-size:var(--text-xs);cursor:pointer;background:0 0}.ui-account-signout:hover{color:var(--color-foreground);background:var(--color-surface-subtle)}.ui-note{padding:var(--space-4);border-inline-start:3px solid var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 30%, var(--color-surface))}.ui-note p:last-child{margin-bottom:0}.ui-section-gap{margin-top:var(--space-5)}.marketing-shell{background:var(--color-background);min-height:100vh}.marketing-header{border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-background) 90%, var(--color-surface));z-index:20;position:sticky;top:0}.marketing-header__inner{width:min(100% - 2rem, var(--content-max));justify-content:space-between;align-items:center;gap:var(--space-4);min-height:72px;margin-inline:auto;display:flex}.marketing-nav{align-items:center;gap:var(--space-5);font-size:var(--text-sm);display:flex}.marketing-nav a{color:var(--color-muted-foreground);font-weight:650;text-decoration:none}.marketing-nav a:hover{color:var(--color-accent)}.marketing-main{width:min(100% - 2rem, var(--content-max));margin-inline:auto}.marketing-hero{gap:var(--space-12);padding-block:var(--space-20);grid-template-columns:minmax(0,1.25fr) minmax(20rem,.75fr);align-items:center;display:grid}.marketing-hero h1{max-width:16ch;font-size:var(--text-hero);letter-spacing:-.035em;line-height:1.12}.marketing-hero p{max-width:var(--prose-max);color:var(--color-muted-foreground);font-size:var(--text-base)}.marketing-actions{gap:var(--space-3);margin-top:var(--space-6);flex-wrap:wrap;display:flex}.marketing-summary{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);padding:var(--space-6)}.marketing-summary:before{content:"";width:48px;height:4px;margin-bottom:var(--space-5);border-radius:var(--radius);background:var(--color-accent);display:block}.marketing-summary dl{gap:var(--space-4);margin:0;display:grid}.marketing-summary div{justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.marketing-summary div:last-child{border-bottom:0;padding-bottom:0}.marketing-summary dt{color:var(--color-muted-foreground)}.marketing-summary dd{margin:0;font-weight:800}.marketing-section{padding-block:var(--space-16);border-top:1px solid var(--color-border)}.marketing-section__intro{max-width:var(--prose-max);margin-bottom:var(--space-8)}.marketing-section__intro p{color:var(--color-muted-foreground)}.marketing-feature-list{gap:var(--space-6) var(--space-10);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.marketing-feature{padding-block:var(--space-4);border-bottom:1px solid var(--color-border)}.marketing-feature h3{font-size:var(--text-lg)}.marketing-feature p{color:var(--color-muted-foreground);margin-bottom:0}.marketing-pricing{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.marketing-plan{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);padding:var(--space-5)}.marketing-plan--featured{border-color:var(--color-accent)}.marketing-plan h3{font-size:var(--text-lg)}.marketing-plan__price{font-size:var(--text-xl);margin-bottom:var(--space-4);font-weight:850}.marketing-plan ul{color:var(--color-muted-foreground);padding-inline-start:var(--space-5)}.marketing-faq{gap:0;display:grid}.marketing-faq details{padding:var(--space-4) 0;border-bottom:1px solid var(--color-border)}.marketing-faq summary{cursor:pointer;font-weight:750}.marketing-faq p{color:var(--color-muted-foreground);max-width:var(--prose-max);margin-top:var(--space-3);margin-bottom:0}.marketing-footer{border-top:1px solid var(--color-border);margin-top:var(--space-16);background:var(--color-surface)}.marketing-footer__inner{width:min(100% - 2rem, var(--content-max));padding-block:var(--space-8);justify-content:space-between;gap:var(--space-4);color:var(--color-muted-foreground);font-size:var(--text-sm);margin-inline:auto;display:flex}.marketing-form{gap:var(--space-4);max-width:34rem;display:grid}.marketing-form__actions{gap:var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.marketing-form__message{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}@media (max-width:64rem){.ui-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ui-content-grid,.marketing-hero{grid-template-columns:1fr}.marketing-hero{gap:var(--space-8)}.marketing-feature-list,.marketing-pricing{grid-template-columns:1fr}.ui-account-copy{display:none}}@media (max-width:50rem){.ui-app-shell{display:block}.ui-sidebar{width:100%;height:auto;padding:var(--space-4);border-inline-end:0;border-bottom:1px solid var(--color-sidebar-border);position:static;overflow:visible}.ui-sidebar__context{margin-top:var(--space-4);padding-bottom:var(--space-4)}.ui-nav{gap:var(--space-2);margin-top:var(--space-4);padding-bottom:var(--space-2);scrollbar-width:thin;display:flex;overflow-x:auto}.ui-nav a{flex:none;min-height:38px}.ui-sidebar__footer{display:none}.ui-topbar{min-height:64px;padding:0 var(--space-4);position:static}.ui-page{padding:var(--space-5) var(--space-4)}.ui-page-header{margin-bottom:var(--space-6);gap:var(--space-4);flex-direction:column}.ui-page-header__actions{width:100%}.ui-stat-grid{grid-template-columns:1fr}.ui-pagination{justify-content:space-between}.ui-account-signout{display:none}.marketing-header{position:static}.marketing-header__inner{min-height:auto;padding-block:var(--space-4);align-items:flex-start}.marketing-nav{gap:var(--space-3);flex-wrap:wrap;justify-content:flex-end}.marketing-hero,.marketing-section{padding-block:var(--space-12)}.marketing-footer__inner{flex-direction:column}}.auth-page{min-height:calc(100vh - 72px);padding:var(--space-10) var(--space-4);background:var(--color-background);place-items:center;display:grid}.auth-card{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);width:min(100%,30rem);overflow:hidden}.auth-card__header{padding:var(--space-7) var(--space-7) var(--space-5);border-bottom:1px solid var(--color-border)}.auth-card__header h1{margin-bottom:var(--space-2)}.auth-card__header p{color:var(--color-muted-foreground);margin-bottom:0}.auth-card__body{padding:var(--space-7)}.auth-card__note{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--color-border);color:var(--color-muted-foreground);font-size:var(--text-xs)}.auth-card__note p{margin-bottom:0}.teacher-public-shell{background:var(--color-background);min-height:100vh}.teacher-public-header{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:72px;width:min(100% - 2rem, var(--content-max));border-bottom:1px solid var(--color-border);margin-inline:auto;display:flex}.teacher-public-main{width:min(100% - 2rem,48rem);padding-block:var(--space-12);margin-inline:auto}.teacher-shell-note{color:var(--color-sidebar-muted);font-size:var(--text-xs);margin:0}.teacher-auth-card{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);width:min(100%,30rem);margin-inline:auto;overflow:hidden}.teacher-auth-card>header{padding:var(--space-7) var(--space-7) var(--space-5);border-bottom:1px solid var(--color-border)}.teacher-auth-card>header p{color:var(--color-muted-foreground);margin-bottom:0}.teacher-auth-card>.teacher-form{padding:var(--space-7)}.teacher-auth-card--wide{width:min(100%,46rem)}.teacher-form{gap:var(--space-4);display:grid}.teacher-form--wide{max-width:48rem}.teacher-form-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-form-actions,.teacher-actions,.teacher-onboarding-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.teacher-form-error{color:var(--color-danger);font-size:var(--text-sm);margin:0}.teacher-success-message,.teacher-save-status{color:var(--color-success);font-size:var(--text-sm)}.teacher-muted,.teacher-table-subtext{color:var(--color-muted-foreground);font-size:var(--text-sm)}.teacher-table-subtext{margin-top:var(--space-1)}.teacher-row-heading,.teacher-outline-heading{justify-content:space-between;align-items:flex-start;gap:var(--space-3);display:flex}.teacher-row-heading h3,.teacher-row-heading p{margin-bottom:0}.teacher-two-column{gap:var(--space-5);margin-bottom:var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}.teacher-two-column--roles{grid-template-columns:minmax(18rem,.75fr) minmax(0,1.25fr)}.teacher-token-box,.teacher-mfa-setup{gap:var(--space-3);margin-top:var(--space-4);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);display:grid}.teacher-token-box p,.teacher-mfa-setup p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.teacher-token-box code,.teacher-mfa-setup code{text-align:left;overflow-wrap:anywhere;direction:ltr;display:block}.teacher-code-wrap{white-space:normal}.teacher-subscription-summary,.teacher-security-status{gap:var(--space-3);align-items:start;display:grid}.teacher-definition-list{gap:0;margin:0;display:grid}.teacher-definition-list div{justify-content:space-between;gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.teacher-definition-list div:last-child{border-bottom:0}.teacher-definition-list dt{color:var(--color-muted-foreground)}.teacher-definition-list dd{text-align:end;margin:0;font-weight:750}.teacher-plan-grid{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.teacher-plan{align-content:start;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);display:grid}.teacher-plan p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.teacher-plan-price{font-size:var(--text-lg)}.teacher-plan-list,.teacher-step-list{gap:var(--space-3);display:grid}.teacher-plan-row{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius)}.teacher-policy-row{gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);display:grid}.teacher-policy-row p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.teacher-section-divider{margin-top:var(--space-5);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.teacher-fieldset,.teacher-permission-fieldset{gap:var(--space-4);border:0;margin:0;padding:0;display:grid}.teacher-permission-list{gap:var(--space-3);display:grid}.teacher-session-agent{text-overflow:ellipsis;vertical-align:bottom;max-width:22rem;display:inline-block;overflow:hidden}.teacher-inline-form{gap:var(--space-2);grid-template-columns:minmax(0,1fr) auto;align-items:end;display:grid}.teacher-inline-form:has(input[type=url]){grid-template-columns:minmax(10rem,.7fr) minmax(14rem,1.3fr) auto}.teacher-inline-form--compact{margin-top:var(--space-3)}.teacher-editor-grid{gap:var(--space-5);grid-template-columns:minmax(20rem,.8fr) minmax(0,1.45fr);align-items:start;display:grid}.teacher-curriculum{max-height:calc(100vh - 112px);position:sticky;top:88px;overflow:auto}.teacher-editor-main{gap:var(--space-5);min-width:0;display:grid}.teacher-outline{gap:var(--space-4);margin-top:var(--space-4);display:grid}.teacher-outline-section{border-top:1px solid var(--color-border);padding-top:var(--space-4)}.teacher-outline-section:first-child{border-top:0}.teacher-outline-chapter{margin-top:var(--space-3);border-inline-start:1px solid var(--color-border);padding-inline-start:var(--space-3)}.teacher-order-actions{gap:var(--space-1);flex-wrap:wrap;display:inline-flex}.teacher-order-actions .ui-button{min-height:32px;padding:var(--space-1) var(--space-2);font-size:var(--text-xs)}.teacher-lesson-list{gap:var(--space-1);margin-top:var(--space-2);display:grid}.teacher-lesson-row{gap:var(--space-2);padding:var(--space-2);border-radius:var(--radius);border:1px solid #0000;grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.teacher-lesson-row--selected{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent) 6%, var(--color-surface))}.teacher-lesson-select{padding:var(--space-2);color:var(--color-foreground);text-align:start;cursor:pointer;border-radius:var(--radius);background:0 0;border:0}.teacher-lesson-select:hover{background:var(--color-surface-subtle)}.teacher-lesson-editor{gap:var(--space-4);display:grid}.teacher-resource-list{gap:var(--space-2);margin:0;padding-inline-start:var(--space-5);display:grid}.teacher-resource-list a{color:var(--color-accent)}.teacher-preview-outline{gap:var(--space-5);display:grid}.teacher-preview-chapter{padding-block:var(--space-4);border-top:1px solid var(--color-border)}.teacher-preview-chapter:first-of-type{border-top:0}.teacher-preview-lesson{padding-block:var(--space-3);border-top:1px solid var(--color-border)}.teacher-preview-body{max-width:var(--prose-max);white-space:pre-wrap}.teacher-onboarding{gap:var(--space-5);display:grid}.teacher-onboarding-grid{gap:var(--space-5);grid-template-columns:minmax(0,1.2fr) minmax(16rem,.8fr);display:grid}.teacher-onboarding-header{justify-content:space-between;align-items:flex-start;gap:var(--space-4);display:flex}.teacher-completion{color:var(--color-muted-foreground);font-size:var(--text-sm)}@media (max-width:64rem){.teacher-editor-grid,.teacher-onboarding-grid,.teacher-plan-grid{grid-template-columns:1fr}.teacher-curriculum{max-height:none;position:static}}@media (max-width:50rem){.teacher-two-column,.teacher-two-column--roles,.teacher-form-grid,:is(.teacher-inline-form,.teacher-inline-form:has(input[type=url])){grid-template-columns:1fr}.teacher-row-heading,.teacher-outline-heading,.teacher-onboarding-header{flex-direction:column}.teacher-actions{width:100%}}.student-entry-page,.student-auth-page,.student-dashboard-page,.student-learning-page,.student-public-page{background:var(--color-background);min-height:100vh}.student-entry-inner,.student-auth-inner,.student-dashboard-inner{width:min(100% - 2rem,64rem);padding-block:var(--space-10);margin-inline:auto}.student-auth-inner{max-width:34rem}.student-public-shell{background:var(--color-background);min-height:100vh;color:var(--color-foreground)}.student-public-header{min-height:64px;width:min(100% - 2rem, var(--content-max));justify-content:space-between;align-items:center;gap:var(--space-4);border-bottom:1px solid var(--color-border);margin-inline:auto;display:flex}.student-public-brand{align-items:center;gap:var(--space-3);color:var(--color-foreground);font-weight:800;text-decoration:none;display:inline-flex}.student-public-brand img{object-fit:contain;width:32px;height:32px}.student-public-header nav{align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.student-public-header nav a,.student-public-footer a,.student-back-link,.student-dashboard-nav a,.student-learning-header a{color:var(--color-foreground);text-underline-offset:4px}.student-public-header nav a:hover,.student-public-footer a:hover,.student-back-link:hover,.student-dashboard-nav a:hover,.student-learning-header a:hover{color:var(--color-accent)}.student-public-main{width:min(100% - 2rem, var(--content-max));margin-inline:auto}.student-public-intro{padding-block:var(--space-12) var(--space-8);max-width:48rem}.student-section-heading{justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-5);align-items:end;display:flex}.student-section-heading h2{margin-bottom:var(--space-1)}.student-section-heading p{color:var(--color-muted-foreground);margin:0}.student-count{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-course-list{border-top:1px solid var(--color-border)}.student-course-row{gap:var(--space-6);padding-block:var(--space-5);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.student-course-row h3{margin-block:var(--space-2);font-size:var(--text-xl)}.student-course-row p{max-width:var(--prose-max);color:var(--color-muted-foreground);margin:0}.student-course-meta{align-items:center;gap:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.student-prerequisite-note{margin-top:var(--space-2)!important;color:var(--color-foreground)!important}.student-public-footer{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:var(--space-4);min-height:72px;color:var(--color-muted-foreground);font-size:var(--text-sm);display:flex}.student-public-footer div{gap:var(--space-4);flex-wrap:wrap;display:flex}.student-course-page{padding-block:var(--space-8) var(--space-12)}.student-back-link{margin-bottom:var(--space-5);font-size:var(--text-sm);display:inline-block}.student-course-facts{border-block:1px solid var(--color-border);margin-block:var(--space-6);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.student-course-facts div{padding:var(--space-4);border-inline-start:1px solid var(--color-border);gap:var(--space-1);display:grid}.student-course-facts div:first-child{border-inline-start:0}.student-course-facts strong{font-size:var(--text-lg)}.student-course-facts span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-prerequisites,.student-curriculum-public,.student-manual-access{padding-block:var(--space-7);border-bottom:1px solid var(--color-border)}.student-prerequisites ul{margin-bottom:0}.student-curriculum-section:first-of-type{margin-top:var(--space-4)}.student-curriculum-chapter ol{margin:0;padding-inline-start:var(--space-6)}.student-curriculum-chapter li{padding-block:var(--space-3);border-top:1px solid var(--color-border)}.student-curriculum-chapter li p{margin:var(--space-1) 0 0;color:var(--color-muted-foreground)}.student-free-preview{margin-top:var(--space-3);padding:var(--space-4);background:var(--color-surface-subtle);border:1px solid var(--color-border);border-radius:var(--radius)}.student-free-preview p{white-space:pre-wrap;color:var(--color-foreground)!important}.student-free-preview a{color:var(--color-accent)}.student-form{gap:var(--space-4);display:grid}.student-form-actions{gap:var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.student-form-error{color:var(--color-danger);font-size:var(--text-sm);margin:0}.student-dashboard-nav{justify-content:space-between;gap:var(--space-4);border-bottom:1px solid var(--color-border);min-height:48px;margin-bottom:var(--space-8);font-size:var(--text-sm);align-items:center;display:flex}.student-library-list{border-top:1px solid var(--color-border)}.student-library-row{gap:var(--space-6);padding-block:var(--space-6);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.student-library-copy{gap:var(--space-3);min-width:0;display:grid}.student-library-copy h2,.student-library-copy p{margin:0}.student-library-copy p{color:var(--color-muted-foreground);max-width:var(--prose-max)}.student-resume-note{font-size:var(--text-sm)}.student-learning-header{min-height:72px;padding-inline:var(--space-6);justify-content:space-between;gap:var(--space-6);border-bottom:1px solid var(--color-border);grid-template-columns:auto minmax(0,32rem);align-items:center;display:grid}.student-learning-header>div{gap:var(--space-2);display:grid}.student-learning-grid{grid-template-columns:minmax(18rem,.72fr) minmax(0,2fr);min-height:calc(100vh - 72px);display:grid}.student-learning-outline{padding:var(--space-6);border-inline-end:1px solid var(--color-border);overflow:auto}.student-learning-outline section+section{margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.student-learning-outline h2{font-size:var(--text-base)}.student-learning-outline h3{font-size:var(--text-sm);color:var(--color-muted-foreground);margin-top:var(--space-4)}.student-learning-outline ol{gap:var(--space-1);margin:0;padding:0;list-style:none;display:grid}.student-learning-outline button{width:100%;min-height:40px;padding:var(--space-2);justify-content:space-between;align-items:center;gap:var(--space-3);border-radius:var(--radius);color:var(--color-foreground);text-align:start;cursor:pointer;background:0 0;border:1px solid #0000;transition:background-color .14s ease-out,border-color .14s ease-out;display:flex}.student-learning-outline button:hover{background:var(--color-surface-subtle)}.student-learning-outline button[aria-current=page]{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent) 6%, var(--color-background))}.student-lesson-content{padding:var(--space-8);min-width:0}.student-lesson-body{max-width:var(--prose-max);font-size:var(--text-base);line-height:1.85}.student-lesson-body>p{white-space:pre-wrap}.student-lesson-body a{color:var(--color-accent)}.student-lesson-actions{margin-top:var(--space-8);padding-top:var(--space-5);border-top:1px solid var(--color-border)}@media (max-width:50rem){.student-public-header,.student-public-footer,.student-section-heading{padding-block:var(--space-3);flex-direction:column;align-items:flex-start}.student-course-row,.student-library-row,.student-course-facts{grid-template-columns:1fr}.student-course-facts div,.student-course-facts div:first-child{border-inline-start:0;border-top:1px solid var(--color-border)}.student-course-facts div:first-child{border-top:0}.student-learning-header{padding-block:var(--space-4);grid-template-columns:1fr}.student-learning-grid{grid-template-columns:1fr}.student-learning-outline{border-inline-end:0;border-bottom:1px solid var(--color-border);max-height:22rem}.student-lesson-content{padding:var(--space-5)}}.teacher-student-enrollments{gap:var(--space-2);min-width:18rem;display:grid}.teacher-student-enrollments>div{gap:var(--space-2);flex-wrap:wrap;align-items:center;display:flex}.teacher-student-enrollments .ui-button{min-height:32px;padding:var(--space-1) var(--space-2);font-size:var(--text-xs)}.teacher-public-link{overflow-wrap:anywhere;max-width:100%;color:var(--color-accent);display:inline-block}.teacher-video-panel{gap:var(--space-4);display:grid}.teacher-video-upload{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto auto;align-items:end;display:grid}.teacher-video-upload input[type=file]{width:100%;min-height:40px;padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-foreground)}.student-secure-video{gap:var(--space-3);display:grid}.student-video-frame{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-foreground);position:relative;overflow:hidden}.student-video-frame video{background:var(--color-foreground);width:100%;max-height:70vh;display:block}.student-video-frame iframe{aspect-ratio:16/9;background:var(--color-foreground);border:0;width:100%;min-height:min(70vh,32rem);display:block}.student-video-watermark{z-index:2;pointer-events:none;max-width:14rem;padding:var(--space-2);border-radius:var(--radius);background:color-mix(in srgb, var(--color-surface) 68%, transparent);color:var(--color-foreground);font-size:var(--text-xs);opacity:.72;border:1px solid;gap:2px;line-height:1.3;display:grid;position:absolute;transform:translate(-10%,-10%)}.student-video-watermark span:last-child{letter-spacing:.04em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.student-video-security-note{max-width:70ch;color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.student-video-retry{padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius)}@media (max-width:760px){.teacher-video-upload,.teacher-lesson-create-form{grid-template-columns:1fr}.student-video-frame video{max-height:55vh}.student-video-frame iframe{min-height:14rem}.student-video-watermark{max-width:10rem}}.teacher-device-manager,.teacher-device-list{gap:var(--space-2);display:grid}.teacher-device-list{min-width:20rem;padding-top:var(--space-2)}.teacher-device-row{gap:var(--space-2);padding:var(--space-2) 0;border-top:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;display:grid}.teacher-device-row>div{gap:2px;display:grid}@media (max-width:760px){.teacher-device-list{min-width:0}.teacher-device-row{grid-template-columns:1fr;align-items:start}}.student-commerce-list{border-top:1px solid var(--color-border)}.student-commerce-row{gap:var(--space-5);padding-block:var(--space-5);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.student-commerce-row p{margin:var(--space-1) 0;color:var(--color-muted-foreground)}.student-commerce-row span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-commerce-row__price{justify-items:end;gap:var(--space-2);display:grid}.student-commerce-summary{margin-top:var(--space-6);padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);gap:var(--space-4);display:grid}.student-commerce-summary h2{font-size:var(--text-lg);margin:0}.student-commerce-summary dl{gap:0;margin:0;display:grid}.student-commerce-summary dl>div{justify-content:space-between;gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.student-commerce-summary dl>div:last-child{border-bottom:0}.student-commerce-summary dt{color:var(--color-muted-foreground)}.student-commerce-summary dd{margin:0;font-weight:750}.student-commerce-note{max-width:var(--prose-max);color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.student-coupon-form{gap:var(--space-3);grid-template-columns:minmax(0,1fr) auto;align-items:end;display:grid}.student-order-items{border-block:1px solid var(--color-border);gap:0;display:grid}.student-order-items>div{gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;display:grid}.student-order-items>div:last-child{border-bottom:0}.student-order-items span{color:var(--color-muted-foreground);font-size:var(--text-sm);text-align:end}.student-offer-list{gap:var(--space-3);margin-top:var(--space-4);display:grid}.student-offer-row{gap:var(--space-4);padding-block:var(--space-3);border-top:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.student-offer-row__meta{gap:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.teacher-commerce-grid{gap:var(--space-5);margin-bottom:var(--space-5);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.teacher-commerce-products{gap:0;display:grid}.teacher-commerce-product{padding-block:var(--space-5);border-bottom:1px solid var(--color-border)}.teacher-commerce-product:first-child{padding-top:0}.teacher-commerce-product:last-child{border-bottom:0;padding-bottom:0}.teacher-offer-list{margin-top:var(--space-4);border-top:1px solid var(--color-border);gap:0;display:grid}.teacher-offer-row{gap:var(--space-3);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;display:grid}.teacher-offer-row:last-child{border-bottom:0}@media (max-width:64rem){.teacher-commerce-grid{grid-template-columns:1fr}}@media (max-width:50rem){.student-commerce-row,.student-order-items>div,.student-offer-row,.teacher-offer-row{grid-template-columns:1fr;align-items:start}.student-commerce-row__price{justify-items:start}.student-coupon-form{grid-template-columns:1fr}.student-order-items span{text-align:start}}.student-purchase-section{padding-block:var(--space-6);border-top:1px solid var(--color-border)}.student-purchase-section h2{font-size:var(--text-xl);margin-top:0}.student-paid-offers{padding-block:var(--space-7);border-bottom:1px solid var(--color-border)}.learning-overview{gap:var(--space-3);margin-bottom:var(--space-6);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.learning-overview>div{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);background:var(--color-surface);gap:var(--space-1);display:grid}.learning-overview strong{font-size:var(--text-xl);line-height:1.2}.learning-overview span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.learning-form-grid{gap:var(--space-4);margin-bottom:var(--space-6);padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.learning-option-editor,.learning-checkbox-group,.learning-form-actions{grid-column:1/-1}.learning-form-grid .ui-field:has(textarea){grid-column:1/-1}.learning-option-editor{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);gap:var(--space-3);display:grid}.learning-option-editor legend{padding-inline:var(--space-2);font-weight:700}.learning-option-row{gap:var(--space-3);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;display:grid}.learning-checkbox-group{gap:var(--space-5);flex-wrap:wrap;align-items:center;display:flex}.learning-form-actions{justify-content:flex-start;display:flex}.learning-card-list,.learning-grading-list{gap:var(--space-4);display:grid}.learning-admin-card,.learning-grade-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);background:var(--color-surface)}.learning-admin-card>header,.learning-grade-card>header{justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-4);align-items:flex-start;display:flex}.learning-admin-card h3,.learning-grade-card h3{margin-bottom:var(--space-1)}.learning-admin-card header p,.learning-grade-card header p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin-bottom:0}.learning-admin-card>footer{gap:var(--space-2);padding-top:var(--space-4);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.learning-inline-control{gap:var(--space-2);margin-bottom:var(--space-4);grid-template-columns:minmax(0,1fr) auto;display:grid}.learning-question-list,.learning-file-list{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.learning-question-list{margin-bottom:var(--space-4)}.learning-question-list li{justify-content:space-between;align-items:center;gap:var(--space-3);border-top:1px solid var(--color-border);min-height:40px;padding-block:var(--space-2);display:flex}.learning-question-list small{color:var(--color-muted-foreground);margin-inline-start:var(--space-2)}.learning-grade-prompt{font-weight:700}.learning-grade-card blockquote{margin:0 0 var(--space-4);border-inline-start:2px solid var(--color-border);color:var(--color-muted-foreground);padding-inline-start:var(--space-4)}.learning-inline-fields{gap:var(--space-3);grid-template-columns:140px minmax(0,1fr) auto;align-items:end;display:grid}.learning-policy-grid{gap:var(--space-5);margin-bottom:var(--space-4);grid-template-columns:minmax(220px,.4fr) minmax(0,1fr);align-items:end;display:grid}.learning-policy-form{gap:var(--space-5);border-top:1px solid var(--color-border);padding-top:var(--space-4);flex-wrap:wrap;align-items:center;display:flex}.student-activity-page{width:min(100% - 32px, var(--content-max));padding-block:var(--space-6) var(--space-10);margin-inline:auto}.student-activity-back{margin-bottom:var(--space-4);font-size:var(--text-sm);color:var(--color-muted-foreground)}.student-activity-back a:hover{color:var(--color-accent)}.student-activity-intro{gap:var(--space-5);display:grid}.student-activity-intro dl,.student-assignment-instructions dl,.certificate-record dl{gap:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid}.student-activity-intro dl>div,.student-assignment-instructions dl>div,.certificate-record dl>div{border-top:1px solid var(--color-border);padding-top:var(--space-3)}.student-activity-intro dt,.student-assignment-instructions dt,.certificate-record dt{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-activity-intro dd,.student-assignment-instructions dd,.certificate-record dd{margin:var(--space-1) 0 0;font-weight:700}.student-quiz-toolbar{gap:var(--space-4);margin-bottom:var(--space-5);border-block:1px solid var(--color-border);padding-block:var(--space-3);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;display:grid}.student-quiz-timer{gap:var(--space-1);text-align:center;min-width:120px;display:grid}.student-quiz-timer span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.student-quiz-timer strong{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:var(--text-lg)}.student-quiz-questions{gap:var(--space-4);display:grid}.student-question-prompt{font-size:var(--text-lg);max-width:var(--prose-max)}.student-choice-list{margin:0 0 var(--space-4);gap:var(--space-2);border:0;padding:0;display:grid}.student-choice{border:1px solid var(--color-border);border-radius:var(--radius);min-height:44px;padding:var(--space-3);align-items:center;gap:var(--space-3);cursor:pointer;display:flex}.student-choice:hover{background:var(--color-surface-subtle)}.student-choice input{width:18px;height:18px;accent-color:var(--color-accent)}.student-choice .ui-badge{margin-inline-start:auto}.student-text-answer{gap:var(--space-3);display:grid}.student-answer-feedback{border-top:1px solid var(--color-border);margin-top:var(--space-4);padding-top:var(--space-3)}.student-activity-submit{margin-top:var(--space-5);justify-content:flex-end;display:flex}.student-result{gap:var(--space-2);display:grid}.student-result>strong{font-size:var(--text-2xl);line-height:1.2}.student-result p{margin-bottom:0}.student-assignment-grid{gap:var(--space-5);grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;display:grid}.student-assignment-instructions{max-width:var(--prose-max)}.student-assignment-editor{gap:var(--space-4);display:grid}.student-assignment-editor>label{font-weight:700}.student-assignment-actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.student-file-button{cursor:pointer}.student-activity-launch{border-inline-start:2px solid var(--color-accent);gap:var(--space-3);place-items:start;padding-inline-start:var(--space-4);display:grid}.student-completion-banner{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);margin-bottom:var(--space-5);justify-content:space-between;align-items:center;gap:var(--space-4);background:var(--color-surface-subtle);display:flex}.student-completion-banner p{color:var(--color-muted-foreground);margin-bottom:0}.certificate-page{width:min(100% - 32px,760px);padding-block:var(--space-10);margin-inline:auto}.certificate-record{text-align:center;padding:var(--space-6)}.certificate-record>p{color:var(--color-muted-foreground)}.certificate-record h1{margin-block:var(--space-3) var(--space-6)}.certificate-record dl{text-align:start;margin-top:var(--space-8)}@media (max-width:900px){.learning-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-form-grid,.learning-policy-grid,.student-assignment-grid{grid-template-columns:1fr}.learning-inline-fields{grid-template-columns:1fr;align-items:stretch}.student-quiz-toolbar{grid-template-columns:1fr auto}.student-quiz-toolbar .ui-progress{grid-column:1/-1}}@media (max-width:600px){.learning-overview{grid-template-columns:1fr 1fr}.learning-option-row,.learning-inline-control,.student-activity-intro dl,.student-assignment-instructions dl,.certificate-record dl{grid-template-columns:1fr}.student-completion-banner{flex-direction:column;align-items:flex-start}}.learning-version-editor{margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid var(--color-border)}.learning-version-heading{gap:var(--space-4);margin-bottom:var(--space-4);grid-template-columns:minmax(0,1fr) minmax(220px,.35fr);align-items:end;display:grid}.learning-version-heading p{color:var(--color-muted-foreground);max-width:var(--prose-max);margin-bottom:0}@media (max-width:700px){.learning-version-heading{grid-template-columns:1fr}}.operations-overview{gap:var(--space-3);margin-bottom:var(--space-6);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.operations-grid{gap:var(--space-5);margin-bottom:var(--space-6);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.operations-form{gap:var(--space-4);display:grid}.operations-status{gap:var(--space-2);flex-wrap:wrap;display:flex}.operations-health{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.operations-health>div{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4)}.operations-health p{color:var(--color-muted-foreground);margin-bottom:0}.operations-dead-list{gap:var(--space-3);margin-top:var(--space-4);display:grid}.operations-dead-list article{justify-content:space-between;gap:var(--space-4);border-top:1px solid var(--color-border);padding-top:var(--space-3);align-items:center;display:flex}.operations-dead-list p{color:var(--color-muted-foreground);margin-bottom:0}.student-live-list,.student-notification-list{gap:var(--space-3);display:grid}.student-live-row{justify-content:space-between;gap:var(--space-5);border-bottom:1px solid var(--color-border);padding-block:var(--space-4);align-items:center;display:flex}.student-live-row:last-child{border-bottom:0}.student-live-row h3{margin-block:var(--space-2)}.student-live-row p{margin-bottom:var(--space-1);color:var(--color-muted-foreground)}.student-notification-row{justify-content:space-between;gap:var(--space-4);width:100%;min-height:64px;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-foreground);text-align:start;cursor:pointer;align-items:start;transition:background-color .14s ease-out,border-color .14s ease-out;display:flex}.student-notification-row:hover{background:var(--color-surface-subtle)}.student-notification-row[data-unread=true]{border-inline-start-color:var(--color-accent)}.student-notification-row p{margin:var(--space-1) 0 0;color:var(--color-muted-foreground)}.student-notification-row time{color:var(--color-muted-foreground);font-size:var(--text-sm);flex:none}@media (max-width:900px){.operations-overview,.operations-grid,.operations-health{grid-template-columns:1fr 1fr}}@media (max-width:640px){.operations-overview,.operations-grid,.operations-health{grid-template-columns:1fr}.student-live-row,.student-notification-row{flex-direction:column;align-items:stretch}}.teacher-form-end{align-items:end;display:flex}.teacher-domain-challenge{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--color-border)}.teacher-domain-challenge h3{margin:0 0 var(--space-3);font-size:var(--font-size-16)}.teacher-domain-challenge dl{gap:var(--space-3);margin:0 0 var(--space-3);display:grid}.teacher-domain-challenge dl>div{gap:var(--space-3);grid-template-columns:88px minmax(0,1fr);align-items:start;display:grid}.teacher-domain-challenge dt{color:var(--color-text-muted)}.teacher-domain-challenge dd{min-width:0;margin:0}.teacher-domain-challenge code{overflow-wrap:anywhere;display:block}.teacher-domain-error{color:var(--color-danger-text)}.teacher-inline-actions{gap:var(--space-2);margin-top:var(--space-3);flex-wrap:wrap;display:flex}.teacher-feature-flags{gap:var(--space-3);display:grid}.teacher-feature-flag{justify-content:space-between;align-items:center;gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.teacher-feature-flag:last-child{border-bottom:0}.teacher-feature-flag span{gap:var(--space-1);display:grid}.teacher-feature-flag small{color:var(--color-text-muted)}.student-entry-steps{counter-reset:student-entry;gap:0;margin:0;padding:0;list-style:none;display:grid}.student-entry-steps li{counter-increment:student-entry;gap:var(--space-2) var(--space-3);padding-block:var(--space-4);border-bottom:1px solid var(--color-border);grid-template-columns:2rem minmax(0,1fr);display:grid}.student-entry-steps li:last-child{border-bottom:0;padding-bottom:0}.student-entry-steps li:before{content:counter(student-entry);border:1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));border-radius:var(--radius);width:2rem;height:2rem;color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 38%, var(--color-surface));grid-row:1/span 2;justify-content:center;align-items:center;font-weight:800;display:inline-flex}.student-entry-steps strong{line-height:1.4}.student-entry-steps span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.marketing-header-actions{align-items:center;gap:var(--space-3);font-size:var(--text-sm);display:flex}.marketing-header-actions>a:first-child{color:var(--color-foreground);font-weight:750;text-decoration:none}.marketing-header-actions>a:first-child:hover{color:var(--color-accent)}.marketing-home{background:var(--color-background)}.marketing-editorial-hero{background:var(--color-ink);color:var(--color-ink-foreground);border-bottom:1px solid var(--color-ink-border)}.marketing-editorial-hero__inner{width:min(100% - 2rem, var(--content-max));gap:var(--space-12);padding-block:var(--space-20);grid-template-columns:minmax(0,.9fr) minmax(32rem,1.1fr);align-items:center;margin-inline:auto;display:grid}.marketing-hero-copy h1{max-width:13ch;margin-bottom:var(--space-5);letter-spacing:-.045em;font-size:clamp(2.5rem,5vw,4.6rem);line-height:1.02}.marketing-hero-copy>p{max-width:62ch;color:var(--color-ink-muted)}.marketing-hero-copy .ui-button--secondary{color:var(--color-ink-foreground);border-color:var(--color-ink-border);background:0 0}.marketing-hero-copy .ui-button--secondary:hover{background:color-mix(in srgb, var(--color-ink-foreground) 7%, transparent);border-color:color-mix(in srgb, var(--color-ink-muted) 60%, var(--color-ink-border))}.marketing-kicker{margin-bottom:var(--space-4);color:var(--color-accent);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;font-weight:850;display:inline-block}.marketing-editorial-hero .marketing-kicker{color:var(--color-accent-surface)}.marketing-hero-note{margin-top:var(--space-5);font-size:var(--text-sm)}.marketing-product-frame{border:1px solid var(--color-ink-border);border-radius:var(--radius);background:var(--color-surface);min-width:0;color:var(--color-foreground);overflow:hidden}.marketing-product-frame__topbar{justify-content:space-between;align-items:center;gap:var(--space-3);min-height:52px;padding:0 var(--space-4);border-bottom:1px solid var(--color-border);color:var(--color-muted-foreground);font-size:var(--text-xs);display:flex}.marketing-product-frame__topbar span:first-child{color:var(--color-accent);font-weight:900}.marketing-product-frame__body{grid-template-columns:9rem minmax(0,1fr);min-height:25rem;display:grid}.marketing-product-frame__body aside{padding:var(--space-5) var(--space-3);align-content:start;gap:var(--space-2);background:var(--color-sidebar);color:var(--color-sidebar-muted);border-inline-end:1px solid var(--color-sidebar-border);font-size:var(--text-xs);display:grid}.marketing-product-frame__body aside span,.marketing-product-frame__body aside b{min-height:34px;padding-inline:var(--space-3);border-radius:var(--radius);align-items:center;display:flex}.marketing-product-frame__body aside b{color:var(--color-sidebar-foreground);background:color-mix(in srgb, var(--color-accent) 34%, var(--color-sidebar))}.marketing-product-frame__content{min-width:0;padding:var(--space-6);background:var(--color-background)}.marketing-product-heading{justify-content:space-between;align-items:center;gap:var(--space-3);padding-bottom:var(--space-5);display:flex}.marketing-product-heading div{gap:var(--space-1);display:grid}.marketing-product-heading small{color:var(--color-muted-foreground)}.marketing-product-heading strong{font-size:var(--text-lg)}.marketing-product-heading>span{padding:var(--space-2) var(--space-3);border-radius:var(--radius);background:var(--color-accent);color:var(--color-on-accent);font-size:var(--text-xs);font-weight:800}.marketing-product-stats{gap:var(--space-3);margin-bottom:var(--space-5);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.marketing-product-stats>div{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);gap:var(--space-2);display:grid}.marketing-product-stats small{color:var(--color-muted-foreground)}.marketing-product-stats b{font-size:var(--text-xl)}.marketing-product-list{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);padding-inline:var(--space-4)}.marketing-product-list>div{justify-content:space-between;align-items:center;gap:var(--space-3);border-bottom:1px solid var(--color-border);min-height:54px;font-size:var(--text-sm);display:flex}.marketing-product-list>div:last-child{border-bottom:0}.marketing-product-list b{color:var(--color-accent);font-size:var(--text-xs)}.marketing-proof-strip{width:min(100% - 2rem, var(--content-max));border-bottom:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));margin-inline:auto;display:grid}.marketing-proof-strip>div{gap:var(--space-1);padding:var(--space-6);border-inline-start:1px solid var(--color-border);display:grid}.marketing-proof-strip>div:first-child{border-inline-start:0}.marketing-proof-strip strong{font-size:var(--text-sm)}.marketing-proof-strip span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.marketing-how .marketing-section__intro h2,.marketing-personas .marketing-section__intro h2{font-size:var(--text-2xl)}.marketing-journey-grid{border-top:1px solid var(--color-border);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.marketing-journey-step{min-width:0;padding:var(--space-6) var(--space-5);border-inline-start:1px solid var(--color-border)}.marketing-journey-step:first-child{border-inline-start:0}.marketing-journey-step>span{color:var(--color-accent);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:var(--text-xs)}.marketing-journey-step h3{margin-block:var(--space-8) var(--space-2);font-size:var(--text-lg)}.marketing-journey-step p{color:var(--color-muted-foreground);margin:0}.marketing-section--tinted{background:color-mix(in srgb, var(--color-accent-surface) 18%, var(--color-background));border-block:1px solid var(--color-border)}.marketing-feature-layout{gap:var(--space-16);grid-template-columns:minmax(18rem,.75fr) minmax(0,1.25fr);align-items:start;display:grid}.marketing-section__intro--sticky{margin:0;position:sticky;top:104px}.marketing-section__intro--sticky h2{font-size:var(--text-2xl)}.marketing-capability-list{border-top:1px solid var(--color-border)}.marketing-capability-list article{gap:var(--space-5);padding-block:var(--space-6);border-bottom:1px solid var(--color-border);grid-template-columns:3rem minmax(0,1fr);display:grid}.marketing-capability-list article>span{color:var(--color-accent);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:var(--text-xs)}.marketing-capability-list h3{font-size:var(--text-lg)}.marketing-capability-list p{color:var(--color-muted-foreground);margin:0}.marketing-persona-grid{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.marketing-persona-grid article{min-height:19rem;padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);flex-direction:column;align-items:flex-start;display:flex}.marketing-persona-grid article:nth-child(2){border-color:color-mix(in srgb, var(--color-accent) 38%, var(--color-border));background:color-mix(in srgb, var(--color-accent-surface) 24%, var(--color-surface))}.marketing-persona-tag{color:var(--color-muted-foreground);font-size:var(--text-xs);font-weight:800}.marketing-persona-grid h3{margin-top:var(--space-8);font-size:var(--text-xl)}.marketing-persona-grid p{color:var(--color-muted-foreground)}.marketing-persona-grid a,.marketing-persona-muted{font-size:var(--text-sm);text-underline-offset:4px;margin-top:auto;font-weight:800}.marketing-persona-grid a:hover{color:var(--color-accent)}.marketing-persona-muted{color:var(--color-muted-foreground)}.marketing-final-cta{margin-block:var(--space-16);padding:var(--space-8);justify-content:space-between;align-items:end;gap:var(--space-8);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);display:flex}.marketing-final-cta h2{max-width:22ch;font-size:var(--text-2xl)}.marketing-final-cta p{max-width:var(--prose-max);color:var(--color-muted-foreground);margin:0}.marketing-final-cta .marketing-actions{flex:none;margin:0}.marketing-footer__inner>div{gap:var(--space-1);display:grid}.marketing-footer__inner nav{gap:var(--space-5);flex-wrap:wrap;display:flex}.marketing-footer__inner a{text-decoration:none}.marketing-footer__inner a:hover{color:var(--color-accent)}.marketing-auth-page{min-height:calc(100vh - 72px);padding-block:var(--space-12);align-items:center;display:grid}.marketing-auth-layout{gap:var(--space-16);grid-template-columns:minmax(0,1.05fr) minmax(23rem,.75fr);align-items:center;display:grid}.marketing-auth-copy h1{max-width:15ch;font-size:var(--text-hero)}.marketing-auth-copy>p{max-width:58ch;color:var(--color-muted-foreground)}.marketing-auth-steps{margin:var(--space-8) 0 0;border-top:1px solid var(--color-border);padding:0;list-style:none}.marketing-auth-steps li{gap:var(--space-4);padding-block:var(--space-4);border-bottom:1px solid var(--color-border);grid-template-columns:9rem minmax(0,1fr);display:grid}.marketing-auth-steps span{color:var(--color-muted-foreground)}.marketing-auth-card{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);overflow:hidden}.marketing-auth-card>header{padding:var(--space-7);border-bottom:1px solid var(--color-border)}.marketing-auth-card>header h2{margin-bottom:var(--space-2);font-size:var(--text-xl)}.marketing-auth-card>header p:last-child{color:var(--color-muted-foreground);margin:0}.marketing-login-form{padding:var(--space-7);gap:var(--space-4);display:grid}.marketing-login-actions{gap:var(--space-2);padding-top:var(--space-2);flex-wrap:wrap;display:flex}.marketing-form-error{padding:var(--space-3);border-inline-start:3px solid var(--color-danger);background:var(--color-danger-surface);color:var(--color-danger);font-size:var(--text-sm);margin:0}.marketing-form-note{color:var(--color-muted-foreground);font-size:var(--text-sm)}.marketing-mfa-setup{gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);display:grid}.marketing-mfa-setup p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.marketing-mfa-setup code{padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius);text-align:left;overflow-wrap:anywhere;background:var(--color-surface);direction:ltr}.marketing-auth-card>footer{padding:var(--space-4) var(--space-7);justify-content:space-between;gap:var(--space-3);border-top:1px solid var(--color-border);color:var(--color-muted-foreground);font-size:var(--text-sm);display:flex}.marketing-auth-card>footer a{color:var(--color-accent);font-weight:800}.marketing-destination-chooser{padding:var(--space-7);gap:var(--space-5);display:grid}.marketing-destination-chooser>div:first-child p{color:var(--color-muted-foreground);margin:0}.marketing-destination-list{gap:var(--space-3);display:grid}.marketing-destination{gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);text-decoration:none;display:grid}.marketing-destination:hover{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 20%, var(--color-surface))}.marketing-destination__meta{color:var(--color-accent);font-size:var(--text-xs);font-weight:800}.marketing-destination>span:not(.marketing-destination__meta){color:var(--color-muted-foreground);font-size:var(--text-sm)}.marketing-destination b{margin-top:var(--space-2);color:var(--color-accent);font-size:var(--text-sm)}.marketing-empty-auth{gap:var(--space-4);display:grid}.admin-sidebar-note{gap:var(--space-1);display:grid}.admin-sidebar-note strong{color:var(--color-sidebar-foreground);font-size:var(--text-xs)}.admin-sidebar-note p{color:var(--color-sidebar-muted);font-size:var(--text-xs);margin:0}.admin-overview-grid,.admin-security-grid{gap:var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.admin-compact-list{display:grid}.admin-compact-list>a{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:64px;padding-block:var(--space-3);border-bottom:1px solid var(--color-border);text-decoration:none;display:flex}.admin-compact-list>a:first-child{padding-top:0}.admin-compact-list>a:last-child{border-bottom:0;padding-bottom:0}.admin-compact-list>a:hover strong{color:var(--color-accent)}.admin-compact-list>a>div{gap:1px;min-width:0;display:grid}.admin-compact-list span:not(.ui-badge){color:var(--color-muted-foreground);font-size:var(--text-xs);overflow-wrap:anywhere}.admin-getting-started{padding:var(--space-7);gap:var(--space-10);border:1px solid var(--color-border);border-radius:var(--radius);background:color-mix(in srgb, var(--color-accent-surface) 18%, var(--color-surface));grid-template-columns:minmax(16rem,.6fr) minmax(0,1.4fr);display:grid}.admin-getting-started h2{font-size:var(--text-xl)}.admin-getting-started p{color:var(--color-muted-foreground);margin:0}.admin-getting-started ol{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.admin-getting-started li{gap:var(--space-3);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border);grid-template-columns:2.25rem minmax(0,1fr);align-items:start;display:grid}.admin-getting-started li:last-child{border-bottom:0;padding-bottom:0}.admin-getting-started li>b{border:1px solid color-mix(in srgb, var(--color-accent) 28%, var(--color-border));border-radius:var(--radius);width:2.25rem;height:2.25rem;color:var(--color-accent);place-items:center;display:grid}.admin-getting-started li>span{gap:var(--space-1);display:grid}.admin-getting-started small{color:var(--color-muted-foreground)}.admin-result-note{align-items:center;gap:var(--space-2);color:var(--color-muted-foreground);font-size:var(--text-sm);display:flex}.admin-definition-list{margin:0;display:grid}.admin-definition-list>div{justify-content:space-between;align-items:center;gap:var(--space-4);border-bottom:1px solid var(--color-border);min-height:52px;display:flex}.admin-definition-list>div:last-child{border-bottom:0}.admin-definition-list dt{color:var(--color-muted-foreground)}.admin-definition-list dd{text-align:end;overflow-wrap:anywhere;margin:0;font-weight:750}.admin-stepper{margin-bottom:var(--space-6);border-block:1px solid var(--color-border);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.admin-stepper button{border:0;border-inline-start:1px solid var(--color-border);min-height:58px;color:var(--color-muted-foreground);align-items:center;gap:var(--space-2);cursor:pointer;background:0 0;justify-content:center;font-weight:750;display:flex}.admin-stepper button:first-child{border-inline-start:0}.admin-stepper button:disabled{cursor:default}.admin-stepper button span{border:1px solid var(--color-border);border-radius:var(--radius);width:24px;height:24px;font-size:var(--text-xs);place-items:center;display:inline-grid}.admin-stepper button.is-current{color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 24%, transparent)}.admin-stepper button.is-current span,.admin-stepper button.is-complete span{border-color:var(--color-accent);color:var(--color-on-accent);background:var(--color-accent)}.admin-stepper button.is-complete{color:var(--color-foreground)}.admin-inline-error{margin-bottom:var(--space-5)}.admin-wizard-layout{gap:var(--space-5);grid-template-columns:minmax(0,1.45fr) minmax(18rem,.55fr);align-items:start;display:grid}.admin-wizard-form{gap:var(--space-5);display:grid}.admin-wizard-actions{gap:var(--space-2);padding-top:var(--space-2);flex-wrap:wrap;justify-content:flex-start;display:flex}.admin-wizard-actions--confirm{padding-top:var(--space-5);border-top:1px solid var(--color-border)}.admin-wizard-help{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius);background:color-mix(in srgb, var(--color-accent-surface) 22%, var(--color-surface));position:sticky;top:96px}.admin-wizard-help h2{font-size:var(--text-lg)}.admin-wizard-help p,.admin-wizard-help li{color:var(--color-muted-foreground)}.admin-wizard-help ul{gap:var(--space-2);padding-inline-start:var(--space-5);display:grid}.admin-wizard-help__note{padding-top:var(--space-4);border-top:1px solid var(--color-border);font-size:var(--text-xs)}.admin-plan-preview{gap:var(--space-6);padding:var(--space-5);border:1px solid color-mix(in srgb, var(--color-accent) 25%, var(--color-border));border-radius:var(--radius);background:color-mix(in srgb, var(--color-accent-surface) 18%, var(--color-surface));grid-template-columns:minmax(0,1fr) auto;display:grid}.admin-plan-preview p{margin:var(--space-1) 0 0;color:var(--color-muted-foreground)}.admin-plan-preview dl{gap:var(--space-6);grid-template-columns:repeat(3,auto);margin:0;display:grid}.admin-plan-preview dl>div{gap:var(--space-1);display:grid}.admin-plan-preview dt{color:var(--color-muted-foreground);font-size:var(--text-xs)}.admin-plan-preview dd{white-space:nowrap;margin:0;font-weight:800}.admin-choice-fieldset{gap:var(--space-3);border:0;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;display:grid}.admin-choice-fieldset legend{margin-bottom:var(--space-2);font-size:var(--text-sm);font-weight:750}.admin-choice-fieldset label{align-items:flex-start;gap:var(--space-3);min-height:96px;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;background:var(--color-surface);display:flex}.admin-choice-fieldset label:has(input:checked){border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 22%, var(--color-surface))}.admin-choice-fieldset input{accent-color:var(--color-accent);margin-top:.25rem}.admin-choice-fieldset span{gap:var(--space-1);display:grid}.admin-choice-fieldset small{color:var(--color-muted-foreground)}.admin-review{gap:var(--space-5);display:grid}.admin-review>section{gap:var(--space-5);padding-bottom:var(--space-5);border-bottom:1px solid var(--color-border);grid-template-columns:7rem minmax(0,1fr) auto;align-items:start;display:grid}.admin-review>section>span{color:var(--color-muted-foreground);font-size:var(--text-sm);font-weight:750}.admin-review dl{gap:var(--space-2);margin:0;display:grid}.admin-review dl>div{gap:var(--space-3);grid-template-columns:8rem minmax(0,1fr);display:grid}.admin-review dt{color:var(--color-muted-foreground)}.admin-review dd{overflow-wrap:anywhere;margin:0;font-weight:750}.admin-provision-success{gap:var(--space-5);grid-template-columns:minmax(0,1fr) minmax(18rem,.65fr);align-items:start;display:grid}.admin-success-next{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius);background:color-mix(in srgb, var(--color-accent-surface) 24%, var(--color-surface))}.admin-success-next h2{font-size:var(--text-xl)}.admin-success-next p{color:var(--color-muted-foreground)}@media (max-width:70rem){.marketing-editorial-hero__inner,.marketing-feature-layout,.marketing-auth-layout{grid-template-columns:1fr}.marketing-editorial-hero__inner{padding-block:var(--space-16)}.marketing-section__intro--sticky,.admin-wizard-help{position:static}.marketing-journey-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.marketing-journey-step:nth-child(3){border-inline-start:0;border-top:1px solid var(--color-border)}.marketing-journey-step:nth-child(4){border-top:1px solid var(--color-border)}.admin-wizard-layout,.admin-provision-success,.admin-plan-preview{grid-template-columns:1fr}.admin-plan-preview dl{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:55rem){.marketing-header__inner{flex-wrap:wrap}.marketing-nav{width:100%;padding-bottom:var(--space-2);flex-wrap:nowrap;order:3;justify-content:flex-start;overflow-x:auto}.marketing-nav a{flex:none}.marketing-product-frame__body{grid-template-columns:6.5rem minmax(0,1fr)}.marketing-product-frame__body aside{padding-inline:var(--space-2)}.marketing-product-frame__content{padding:var(--space-4)}.marketing-product-stats,.marketing-proof-strip,.marketing-persona-grid,.admin-overview-grid,.admin-security-grid{grid-template-columns:1fr}.marketing-proof-strip>div{border-inline-start:0;border-top:1px solid var(--color-border)}.marketing-proof-strip>div:first-child{border-top:0}.marketing-final-cta,.admin-getting-started{grid-template-columns:1fr;align-items:start;display:grid}.marketing-final-cta .marketing-actions{width:100%}.admin-stepper{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-stepper button:nth-child(3){border-inline-start:0;border-top:1px solid var(--color-border)}.admin-stepper button:nth-child(4){border-top:1px solid var(--color-border)}.admin-choice-fieldset{grid-template-columns:1fr}.admin-review>section{gap:var(--space-3);grid-template-columns:1fr}}@media (max-width:40rem){.marketing-header-actions .ui-button{display:none}.marketing-editorial-hero__inner{width:min(100% - 1.25rem, var(--content-max));padding-block:var(--space-12)}.marketing-hero-copy h1{font-size:2.4rem}.marketing-product-frame__body{display:block}.marketing-product-frame__body aside{display:none}.marketing-product-heading{align-items:flex-start}.marketing-journey-grid{grid-template-columns:1fr}.marketing-journey-step{border-inline-start:0;border-top:1px solid var(--color-border)}.marketing-journey-step:first-child{border-top:0}.marketing-persona-grid article{min-height:auto}.marketing-auth-steps li{gap:var(--space-1);grid-template-columns:1fr}.marketing-auth-card>header,.marketing-login-form,.marketing-destination-chooser{padding:var(--space-5)}.marketing-auth-card>footer{padding-inline:var(--space-5);flex-direction:column}.admin-plan-preview dl{grid-template-columns:1fr}.admin-review dl>div{gap:var(--space-1);grid-template-columns:1fr}}.ui-nav__item{gap:var(--space-1);display:grid}.ui-nav__group{margin:var(--space-4) var(--space-3) var(--space-1);color:color-mix(in srgb, var(--color-sidebar-muted) 82%, transparent);letter-spacing:.04em;font-size:11px;font-weight:800}.ui-nav__item:first-child .ui-nav__group{margin-top:0}.ui-nav__item>a{min-height:42px;padding:var(--space-2) var(--space-3);border-radius:var(--radius);color:var(--color-sidebar-muted);font-size:var(--text-sm);border:1px solid #0000;align-items:center;font-weight:700;text-decoration:none;display:flex}.ui-nav__item>a:hover{background:color-mix(in srgb, var(--color-sidebar-foreground) 6%, transparent);color:var(--color-sidebar-foreground)}.ui-nav__item>a[aria-current=page]{color:var(--color-sidebar-foreground);border-color:color-mix(in srgb, var(--color-accent-surface) 28%, var(--color-sidebar-border));background:color-mix(in srgb, var(--color-accent) 34%, var(--color-sidebar))}.teacher-public-main--wide{width:min(100% - 2rem,72rem)}.teacher-onboarding-hero{gap:var(--space-6);padding:var(--space-7);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);grid-template-columns:minmax(0,1fr) minmax(16rem,.42fr);align-items:end;display:grid}.teacher-onboarding-hero h1{margin-bottom:var(--space-2);font-size:clamp(1.75rem,3vw,2.5rem)}.teacher-onboarding-hero p{color:var(--color-muted-foreground);max-width:62ch;margin:0}.teacher-onboarding-progress{gap:var(--space-2);align-content:end;align-self:stretch;display:grid}.teacher-onboarding-progress strong{font-size:var(--text-xl)}.teacher-setup-layout{gap:var(--space-5);grid-template-columns:minmax(14rem,.36fr) minmax(0,1fr);align-items:start;display:grid}.teacher-setup-rail{top:var(--space-6);gap:var(--space-2);display:grid;position:sticky}.teacher-setup-step{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);width:100%;color:var(--color-foreground);padding:var(--space-3);text-align:start;cursor:pointer;gap:var(--space-3);grid-template-columns:auto minmax(0,1fr);align-items:start;display:grid}.teacher-setup-step:hover{border-color:color-mix(in srgb, var(--color-accent) 50%, var(--color-border))}.teacher-setup-step[aria-current=step]{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 48%, var(--color-surface))}.teacher-setup-step__index{border-radius:var(--radius);border:1px solid var(--color-border);block-size:30px;inline-size:30px;font-size:var(--text-xs);justify-content:center;align-items:center;font-weight:900;display:inline-flex}.teacher-setup-step--done .teacher-setup-step__index{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.teacher-setup-step strong{margin-bottom:2px;display:block}.teacher-setup-step small{color:var(--color-muted-foreground)}.teacher-setup-workspace{gap:var(--space-5);min-width:0;display:grid}.teacher-color-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-color-input{cursor:pointer;min-height:48px;padding:4px}.teacher-plan-list--selection{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-plan-choice{gap:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);background:var(--color-surface);display:grid}.teacher-plan-choice--active{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 34%, var(--color-surface))}.teacher-course-starter{gap:var(--space-5);display:grid}.teacher-course-starter__structure{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.teacher-course-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-course-card{align-content:start;gap:var(--space-4);padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);display:grid}.teacher-course-card__header{justify-content:space-between;align-items:flex-start;gap:var(--space-3);display:flex}.teacher-course-card__header h2{font-size:var(--text-lg);margin:0}.teacher-course-card__meta{gap:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.teacher-course-card__actions{gap:var(--space-2);flex-wrap:wrap;margin-top:auto;display:flex}.teacher-dashboard-intro{gap:var(--space-6);margin-bottom:var(--space-6);grid-template-columns:minmax(0,1fr) auto;align-items:start;display:grid}.teacher-dashboard-intro p{color:var(--color-muted-foreground);max-width:64ch;margin-bottom:0}.teacher-dashboard-actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.teacher-kpi-strip{gap:var(--space-4);margin-bottom:var(--space-6);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.teacher-kpi{border-top:3px solid var(--color-accent);padding:var(--space-4);background:var(--color-surface);border-inline:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.teacher-kpi p{margin-bottom:var(--space-1);color:var(--color-muted-foreground);font-size:var(--text-sm)}.teacher-kpi strong{font-size:var(--text-xl);line-height:1.2;display:block}.teacher-kpi small{color:var(--color-muted-foreground)}.teacher-next-action{border:1px solid color-mix(in srgb, var(--color-accent) 28%, var(--color-border));background:color-mix(in srgb, var(--color-accent-surface) 34%, var(--color-surface));padding:var(--space-5);border-radius:var(--radius);gap:var(--space-3);display:grid}.teacher-next-action h2{margin:0}.teacher-next-action p{color:var(--color-muted-foreground);margin:0}.teacher-readiness{gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);display:grid}.teacher-readiness-list{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.teacher-readiness-list li{justify-content:space-between;align-items:center;gap:var(--space-3);font-size:var(--text-sm);display:flex}.teacher-readiness-list span{color:var(--color-muted-foreground)}.teacher-publish-callout{gap:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);display:grid}.teacher-publish-callout--ready{border-color:color-mix(in srgb, var(--color-accent) 45%, var(--color-border));background:color-mix(in srgb, var(--color-accent-surface) 28%, var(--color-surface))}.teacher-optional-card{border:1px dashed var(--color-border);border-radius:var(--radius);padding:var(--space-4);background:var(--color-surface-subtle)}.teacher-optional-card h3{margin-bottom:var(--space-1)}.teacher-optional-card p{color:var(--color-muted-foreground)}@media (max-width:64rem){.teacher-setup-layout,.teacher-onboarding-hero{grid-template-columns:1fr}.teacher-setup-rail{grid-template-columns:repeat(2,minmax(0,1fr));position:static}.teacher-kpi-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-course-starter__structure{grid-template-columns:1fr}}@media (max-width:50rem){.teacher-course-grid,.teacher-plan-list--selection,.teacher-color-grid,.teacher-setup-rail,.teacher-kpi-strip,.teacher-dashboard-intro{grid-template-columns:1fr}.teacher-dashboard-actions{width:100%}}.student-academy-shell{background:var(--color-background);min-height:100vh;color:var(--color-foreground)}.student-academy-header{z-index:2;border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-background) 96%, var(--academy-secondary,var(--color-accent-surface)));position:relative}.student-academy-header__inner{width:min(100% - 32px, var(--content-max));gap:var(--space-6);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-height:72px;margin-inline:auto;display:grid}.student-academy-brand{align-items:center;gap:var(--space-3);min-width:0;color:var(--color-foreground);text-decoration:none;display:inline-flex}.student-academy-brand img,.student-academy-monogram{border:1px solid var(--color-border);border-radius:var(--radius);flex:none;width:40px;height:40px}.student-academy-brand img{object-fit:contain;background:var(--color-surface)}.student-academy-monogram{color:var(--color-accent);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 52%, var(--color-surface));justify-content:center;align-items:center;font-weight:850;display:inline-flex}.student-academy-brand__copy{gap:2px;min-width:0;display:grid}.student-academy-brand__copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:var(--text-base);overflow:hidden}.student-academy-brand__copy small{color:var(--color-muted-foreground);font-size:var(--text-xs)}.student-academy-nav{justify-content:center;gap:var(--space-1);min-width:0;display:flex}.student-academy-nav a,.student-cart-link{min-height:40px;padding-inline:var(--space-3);border-radius:var(--radius);color:var(--color-muted-foreground);font-size:var(--text-sm);border:1px solid #0000;align-items:center;font-weight:650;text-decoration:none;transition:color .14s ease-out,background-color .14s ease-out,border-color .14s ease-out;display:inline-flex}.student-academy-nav a:hover,.student-academy-nav a[data-active=true]{color:var(--color-foreground);background:var(--color-surface-subtle)}.student-academy-nav a[data-active=true]{border-color:var(--color-border)}.student-cart-link{border-color:var(--color-border);color:var(--color-foreground);background:var(--color-surface)}.student-cart-link:hover{border-color:color-mix(in srgb, var(--color-accent) 32%, var(--color-border));background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 30%, var(--color-surface))}.student-academy-main{width:min(100% - 32px, var(--content-max));margin-inline:auto}.student-academy-kicker{color:var(--color-accent);font-size:var(--text-sm);margin:0;font-weight:800}.student-academy-hero{border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);align-items:center;gap:clamp(40px,7vw,96px);min-height:520px;padding-block:clamp(64px,8vw,96px);display:grid}.student-academy-hero__copy{gap:var(--space-5);max-width:760px;display:grid}.student-academy-hero__copy h1{letter-spacing:-.02em;max-width:16ch;margin:0;font-size:clamp(2rem,4.2vw,3rem);line-height:1.2}.student-academy-hero__copy>p:not(.student-academy-kicker){max-width:62ch;color:var(--color-muted-foreground);font-size:var(--text-lg);margin:0;line-height:1.85}.student-academy-hero__actions{gap:var(--space-3);margin-top:var(--space-2);flex-wrap:wrap;display:flex}.student-academy-hero__summary{border-block:1px solid var(--color-border)}.student-academy-hero__summary>div{gap:var(--space-4);padding-block:var(--space-5);border-bottom:1px solid var(--color-border);grid-template-columns:auto minmax(0,1fr);align-items:baseline;display:grid}.student-academy-hero__summary>div:last-child{border-bottom:0}.student-academy-hero__summary strong{font-size:var(--text-2xl);color:var(--color-foreground);line-height:1}.student-academy-hero__summary span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-inline-state{margin-block:var(--space-5)}.student-academy-path{padding-block:var(--space-12);border-bottom:1px solid var(--color-border)}.student-academy-path ol{border-block:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.student-academy-path li{gap:var(--space-2);padding:var(--space-5);border-inline-start:1px solid var(--color-border);display:grid}.student-academy-path li:first-child{border-inline-start:0}.student-academy-path li strong{font-size:var(--text-base)}.student-academy-path li span{color:var(--color-muted-foreground);font-size:var(--text-sm);line-height:1.7}.student-catalog-section{padding-block:var(--space-12);border-top:0}.student-course-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.student-course-card{gap:var(--space-5);min-width:0;padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);grid-template-rows:auto minmax(0,1fr) auto;display:grid}.student-course-card__topline,.student-course-card__footer{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.student-course-card__topline>span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-course-card__body{align-content:start;gap:var(--space-2);display:grid}.student-course-card__body h3{font-size:var(--text-xl);margin:0}.student-course-card__body h3 a{color:var(--color-foreground);text-decoration:none}.student-course-card__body h3 a:hover{color:var(--color-accent)}.student-course-card__body p{color:var(--color-muted-foreground);margin:0;line-height:1.75}.student-course-card__footer{padding-top:var(--space-4);border-top:1px solid var(--color-border);align-items:end}.student-course-card__footer>div{gap:var(--space-1);display:grid}.student-course-card__footer strong{font-size:var(--text-lg)}.student-course-card__footer span,.student-course-card__footer small{color:var(--color-muted-foreground);font-size:var(--text-xs)}.student-academy-footer{width:min(100% - 32px, var(--content-max));min-height:112px;padding-block:var(--space-6);border-top:1px solid var(--color-border);justify-content:space-between;gap:var(--space-6);color:var(--color-muted-foreground);font-size:var(--text-sm);align-items:center;margin-inline:auto;display:flex}.student-academy-footer>div{gap:var(--space-1);display:grid}.student-academy-footer strong{color:var(--color-foreground)}.student-academy-footer nav{gap:var(--space-4);flex-wrap:wrap;display:flex}.student-academy-footer a{color:var(--color-muted-foreground);text-underline-offset:4px}.student-academy-footer a:hover{color:var(--color-foreground)}.student-breadcrumb{align-items:center;gap:var(--space-2);min-height:56px;color:var(--color-muted-foreground);font-size:var(--text-sm);border-bottom:1px solid var(--color-border);display:flex}.student-breadcrumb a{color:var(--color-muted-foreground)}.student-course-detail{padding-bottom:var(--space-12)}.student-course-hero{padding-block:var(--space-12);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);align-items:start;gap:clamp(40px,6vw,80px);display:grid}.student-course-hero__copy{gap:var(--space-5);display:grid}.student-course-hero__copy h1{max-width:18ch;margin:0;font-size:clamp(2rem,4vw,3rem);line-height:1.2}.student-course-hero__copy>p{max-width:68ch;color:var(--color-muted-foreground);font-size:var(--text-lg);margin:0;line-height:1.85}.student-course-inline-facts{gap:var(--space-6);margin:var(--space-2) 0 0;padding-top:var(--space-5);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.student-course-inline-facts div{gap:var(--space-2);align-items:baseline;display:flex}.student-course-inline-facts dt{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-course-inline-facts dd{margin:0;font-weight:800}.student-enrollment-card{top:var(--space-5);gap:var(--space-4);padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 22%, var(--color-surface));display:grid;position:sticky}.student-enrollment-card>div{gap:var(--space-1);display:grid}.student-enrollment-card span,.student-enrollment-card small,.student-enrollment-card p{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-enrollment-card strong{font-size:var(--text-2xl)}.student-enrollment-card p{margin:0;line-height:1.65}.student-course-block{padding-block:var(--space-10);border-bottom:1px solid var(--color-border)}.student-course-block:last-child{border-bottom:0}.student-curriculum-section{padding-block:var(--space-5);border-top:1px solid var(--color-border)}.student-curriculum-section__heading{gap:var(--space-1);margin-bottom:var(--space-4);display:grid}.student-curriculum-section__heading h3{font-size:var(--text-xl);margin:0}.student-curriculum-section__heading p{color:var(--color-muted-foreground);margin:0}.student-curriculum-chapter{padding-block:var(--space-3)}.student-curriculum-chapter h4{margin-bottom:var(--space-3);color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-curriculum-chapter ol{border-block:1px solid var(--color-border);padding:0;list-style:none}.student-curriculum-chapter li{gap:var(--space-4);padding:var(--space-4) 0;border-top:1px solid var(--color-border);grid-template-columns:minmax(0,1fr) auto;align-items:start;display:grid}.student-curriculum-chapter li:first-child{border-top:0}.student-curriculum-lesson__copy{gap:var(--space-1);display:grid}.student-curriculum-lesson__copy>span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.student-curriculum-lesson__copy p{color:var(--color-muted-foreground);margin:0}.student-free-preview{padding:var(--space-4);border:1px solid var(--color-border);background:var(--color-surface-subtle);grid-column:1/-1;margin-top:0}.student-offer-list{border-top:1px solid var(--color-border)}.student-offer-row{padding-block:var(--space-5);border-bottom:1px solid var(--color-border)}.student-offer-row>div:first-child{gap:var(--space-1);display:grid}.student-offer-row p,.student-offer-row small{color:var(--color-muted-foreground);margin:0}.student-offer-row__action{gap:var(--space-2);justify-items:end;display:grid}.student-auth-branded{background:var(--color-background)}.student-auth-shell{grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:stretch;width:min(100% - 32px,1040px);min-height:100vh;margin-inline:auto;display:grid}.student-auth-context{justify-content:space-between;gap:var(--space-12);border-inline-end:1px solid var(--color-border);flex-direction:column;padding:clamp(40px,7vw,80px);padding-inline-start:0;display:flex}.student-auth-context>div:not(.student-academy-brand){gap:var(--space-4);display:grid}.student-auth-context h1{max-width:15ch;margin:0;font-size:clamp(2rem,4vw,3rem);line-height:1.2}.student-auth-context p{max-width:58ch;color:var(--color-muted-foreground);margin:0;line-height:1.8}.student-auth-benefits{border-block:1px solid var(--color-border);margin:0;padding:0;list-style:none}.student-auth-benefits li{gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(120px,.4fr) minmax(0,1fr);display:grid}.student-auth-benefits li:last-child{border-bottom:0}.student-auth-benefits span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-auth-card{align-self:center;gap:var(--space-6);padding-block:var(--space-10);margin-inline-start:clamp(32px,6vw,72px);display:grid}.student-auth-card__heading{gap:var(--space-2);display:grid}.student-auth-card__heading h2{font-size:var(--text-2xl);margin:0}.student-auth-card__heading p{color:var(--color-muted-foreground);margin:0;line-height:1.7}.student-auth-actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.student-library-page,.student-account-page{padding-block:var(--space-10) var(--space-12)}.student-library-hero,.student-account-header{justify-content:space-between;gap:var(--space-8);padding-bottom:var(--space-8);border-bottom:1px solid var(--color-border);align-items:end;display:flex}.student-library-hero>div,.student-account-header>div{gap:var(--space-2);display:grid}.student-library-hero h1,.student-account-header h1{font-size:var(--text-2xl);margin:0}.student-library-hero p,.student-account-header p{color:var(--color-muted-foreground);margin:0}.student-library-stats{border-bottom:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.student-library-stats>div{gap:var(--space-1);padding:var(--space-5);border-inline-start:1px solid var(--color-border);display:grid}.student-library-stats>div:first-child{border-inline-start:0}.student-library-stats strong{font-size:var(--text-2xl)}.student-library-stats span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-continue-panel{gap:var(--space-8);margin-block:var(--space-8);padding:var(--space-6);border:1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));border-radius:var(--radius);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 24%, var(--color-surface));grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.student-continue-panel>div{gap:var(--space-3);display:grid}.student-continue-panel h2,.student-continue-panel p{margin:0}.student-continue-panel p{color:var(--color-muted-foreground)}.student-library-section,.student-account-section{padding-top:var(--space-8)}.student-library-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.student-library-card{gap:var(--space-4);min-width:0;padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);display:grid}.student-library-card__meta,.student-library-card__footer{justify-content:space-between;gap:var(--space-4);color:var(--color-muted-foreground);font-size:var(--text-sm);align-items:center;display:flex}.student-library-card__copy{gap:var(--space-2);display:grid}.student-library-card__copy h3,.student-library-card__copy p{margin:0}.student-library-card__copy p{color:var(--color-muted-foreground);line-height:1.7}.student-library-card__footer{padding-top:var(--space-3);border-top:1px solid var(--color-border);align-items:end}.student-account-grid{gap:var(--space-3);padding-block:var(--space-8);border-bottom:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.student-account-grid a{gap:var(--space-1);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-foreground);text-decoration:none;display:grid}.student-account-grid a:hover{border-color:color-mix(in srgb, var(--color-accent) 30%, var(--color-border));background:var(--color-surface-subtle)}.student-account-grid span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-account-records{border-top:1px solid var(--color-border)}.student-account-records article{justify-content:space-between;gap:var(--space-5);min-height:64px;padding-block:var(--space-4);border-bottom:1px solid var(--color-border);align-items:center;display:flex}.student-account-records article>div{gap:var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.student-account-records article span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-learning-workspace{background:var(--color-background);color:var(--color-foreground)}.student-learning-topbar{min-height:76px;padding-inline:var(--space-5);gap:var(--space-6);border-bottom:1px solid var(--color-border);background:var(--color-surface);grid-template-columns:minmax(220px,.7fr) minmax(0,1fr) minmax(220px,.7fr);align-items:center;display:grid}.student-learning-topbar__course{justify-items:center;gap:2px;min-width:0;display:grid}.student-learning-topbar__course a{color:var(--color-muted-foreground);font-size:var(--text-xs)}.student-learning-topbar__course strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.student-learning-topbar__progress{min-width:0}.student-learning-error{margin:var(--space-4)}.student-learning-workspace .student-completion-banner{margin:var(--space-4) var(--space-5) 0}.student-learning-grid{grid-template-columns:minmax(280px,340px) minmax(0,1fr);min-height:calc(100vh - 76px)}.student-learning-outline{padding:var(--space-5);background:color-mix(in srgb, var(--color-surface-subtle) 70%, var(--color-background))}.student-learning-outline__summary{justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-4);margin-bottom:var(--space-4);border-bottom:1px solid var(--color-border);align-items:baseline;display:flex}.student-learning-outline__summary span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-learning-outline__summary strong{font-size:var(--text-lg)}.student-learning-outline button{min-height:52px;padding:var(--space-2) var(--space-3)}.student-outline-lesson{text-align:start;gap:2px;min-width:0;display:grid}.student-outline-lesson small{color:var(--color-muted-foreground);font-size:11px}.student-outline-lesson>span{text-overflow:ellipsis;overflow:hidden}.student-lesson-content{padding:clamp(28px,5vw,64px)}.student-lesson-header{justify-content:space-between;gap:var(--space-5);max-width:800px;padding-bottom:var(--space-6);margin-bottom:var(--space-6);border-bottom:1px solid var(--color-border);align-items:start;display:flex}.student-lesson-header>div{gap:var(--space-2);display:grid}.student-lesson-header>div>span{color:var(--color-accent);font-size:var(--text-sm);font-weight:800}.student-lesson-header h1{margin:0;font-size:clamp(1.7rem,3vw,2.3rem)}.student-lesson-header p{color:var(--color-muted-foreground);margin:0}.student-lesson-body{max-width:880px}.student-prose{max-width:var(--prose-max);font-size:var(--text-base);line-height:1.95}.student-prose p{white-space:pre-wrap}.student-lesson-resources{margin-top:var(--space-8);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.student-lesson-resources h2{font-size:var(--text-lg)}.student-lesson-actions{justify-content:space-between;gap:var(--space-4);align-items:center;max-width:880px;display:flex}.student-lesson-actions__nav{gap:var(--space-2);flex-wrap:wrap;display:flex}.student-activity-launch{padding:var(--space-5);border:1px solid var(--color-border);border-inline-start:3px solid var(--color-accent);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 18%, var(--color-surface))}.student-activity-launch>div{gap:var(--space-2);display:grid}.student-activity-launch span{color:var(--color-accent);font-size:var(--text-sm);font-weight:800}.student-activity-launch h2,.student-activity-launch p{margin:0}.student-activity-launch p{color:var(--color-muted-foreground)}.student-activity-workspace{background:var(--color-background);min-height:100vh}.student-activity-topbar{width:min(100% - 32px, var(--content-max));justify-content:space-between;gap:var(--space-6);border-bottom:1px solid var(--color-border);align-items:center;min-height:72px;margin-inline:auto;display:flex}.student-activity-topbar nav{gap:var(--space-4);flex-wrap:wrap;display:flex}.student-activity-topbar nav a{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-activity-page{padding-block:var(--space-8) var(--space-12)}.student-activity-heading{gap:var(--space-2);padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-6);display:grid}.student-activity-heading h1,.student-activity-heading p{margin:0}.student-activity-heading h1{font-size:var(--text-2xl)}.student-activity-heading>p:last-child{color:var(--color-muted-foreground)}.student-activity-intro>p{color:var(--color-muted-foreground);margin:0}.student-submission-files{gap:var(--space-3);display:grid}.student-submission-files h3{font-size:var(--text-base);margin:0}.student-submission-files .learning-file-list li{gap:var(--space-3);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;display:grid}.student-assignment-submit{justify-content:space-between;gap:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--color-border);align-items:center;display:flex}.student-assignment-submit p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.certificate-page--verified{min-height:100vh;padding:var(--space-8) 16px var(--space-12);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 18%, var(--color-background))}.certificate-actions{width:min(100%,900px);margin:0 auto var(--space-4);justify-content:space-between;gap:var(--space-4);align-items:center;display:flex}.certificate-actions a{color:var(--color-muted-foreground)}.certificate-document{border:1px solid var(--color-border);background:var(--color-surface);align-content:space-between;gap:var(--space-10);width:min(100%,900px);min-height:620px;margin-inline:auto;padding:clamp(32px,7vw,72px);display:grid}.certificate-document header{gap:var(--space-2);border-bottom:1px solid var(--color-border);padding-bottom:var(--space-5);display:grid}.certificate-academy{color:var(--color-accent);font-weight:850}.certificate-document header>strong{font-size:var(--text-2xl)}.certificate-document header p,.certificate-recipient p{color:var(--color-muted-foreground);margin:0}.certificate-recipient{gap:var(--space-3);text-align:center;display:grid}.certificate-recipient h1{margin:0;font-size:clamp(2rem,5vw,3rem)}.certificate-recipient h2{color:var(--color-accent);font-size:var(--text-2xl);margin:0}.certificate-details{gap:var(--space-4);padding-block:var(--space-5);border-block:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid}.certificate-details div{gap:var(--space-1);display:grid}.certificate-details dt{color:var(--color-muted-foreground);font-size:var(--text-sm)}.certificate-details dd{overflow-wrap:anywhere;margin:0;font-weight:750}.certificate-document footer{justify-content:space-between;gap:var(--space-4);color:var(--color-muted-foreground);font-size:var(--text-sm);display:flex}@media (max-width:960px){.student-academy-header__inner{padding-block:var(--space-3);grid-template-columns:minmax(0,1fr) auto}.student-academy-nav{padding-bottom:var(--space-1);grid-column:1/-1;justify-content:flex-start;overflow-x:auto}.student-academy-nav a{flex:none}.student-academy-hero,.student-course-hero{grid-template-columns:1fr;min-height:auto}.student-enrollment-card{position:static}.student-auth-shell{grid-template-columns:1fr}.student-auth-context{padding:var(--space-10) 0 var(--space-8);border-inline-end:0;border-bottom:1px solid var(--color-border);gap:var(--space-8)}.student-auth-card{margin-inline-start:0}.student-learning-topbar{grid-template-columns:minmax(0,1fr) auto}.student-learning-topbar__course{justify-items:end}.student-learning-topbar__progress{padding-bottom:var(--space-3);grid-column:1/-1}}@media (max-width:720px){.student-academy-main,.student-academy-header__inner,.student-academy-footer,.student-activity-topbar{width:min(100% - 24px, var(--content-max))}.student-academy-brand__copy small{display:none}.student-academy-hero{padding-block:var(--space-10);gap:var(--space-8)}.student-academy-hero__copy h1,.student-course-hero__copy h1{font-size:2rem}.student-academy-hero__copy>p:not(.student-academy-kicker),.student-course-hero__copy>p{font-size:var(--text-base)}.student-academy-path ol,.student-course-grid,.student-library-grid,.student-account-grid,.certificate-details{grid-template-columns:1fr}.student-academy-path li,.student-academy-path li:first-child{border-inline-start:0;border-top:1px solid var(--color-border)}.student-academy-path li:first-child{border-top:0}.student-course-card__footer,.student-library-hero,.student-account-header,.student-continue-panel{grid-template-columns:1fr;align-items:start;display:grid}.student-course-card__footer{justify-items:start}.student-library-stats{grid-template-columns:1fr}.student-library-stats>div,.student-library-stats>div:first-child{border-inline-start:0;border-top:1px solid var(--color-border)}.student-library-stats>div:first-child{border-top:0}.student-library-card__footer,.student-account-records article,.student-academy-footer,.student-activity-topbar,.student-assignment-submit{flex-direction:column;align-items:flex-start;display:flex}.student-auth-benefits li{gap:var(--space-1);grid-template-columns:1fr}.student-learning-topbar{padding-block:var(--space-3);grid-template-columns:1fr}.student-learning-topbar__course{justify-items:start}.student-learning-topbar__progress{grid-column:auto;width:100%}.student-learning-grid{grid-template-columns:1fr}.student-learning-outline{border-inline-end:0;border-bottom:1px solid var(--color-border);max-height:300px}.student-lesson-content{padding:var(--space-6) var(--space-4)}.student-lesson-header,.student-lesson-actions{flex-direction:column;align-items:flex-start;display:flex}.student-submission-files .learning-file-list li{grid-template-columns:1fr;align-items:start}.certificate-document footer{flex-direction:column}}@media print{.certificate-actions{display:none!important}.certificate-page--verified{background:#fff;padding:0}.certificate-document{border:0;width:100%;min-height:100vh}}.student-commerce-page,.student-operations-page{padding-block:var(--space-10) var(--space-12)}.student-page-heading{gap:var(--space-2);padding-bottom:var(--space-6);margin-bottom:var(--space-6);border-bottom:1px solid var(--color-border);display:grid}.student-page-heading h1,.student-page-heading p{margin:0}.student-page-heading h1{font-size:var(--text-2xl)}.student-page-heading>p:last-child{color:var(--color-muted-foreground)}.student-checkout-layout,.student-order-detail-layout{gap:var(--space-8);grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);align-items:start;display:grid}.student-checkout-layout .student-commerce-summary,.student-order-detail-layout .student-commerce-summary{top:var(--space-5);margin-top:0;position:sticky}.student-order-heading{justify-content:space-between;gap:var(--space-5);align-items:center;display:flex}.student-order-heading>div{gap:var(--space-2);display:grid}.student-order-content>h2{font-size:var(--text-xl);margin-top:0}.student-order-content .student-order-items>div>div{gap:var(--space-1);display:grid}.student-order-content .student-order-items p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.student-operations-summary{margin-bottom:var(--space-6);border-block:1px solid var(--color-border);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.student-operations-summary>div{gap:var(--space-1);padding:var(--space-4);border-inline-start:1px solid var(--color-border);display:grid}.student-operations-summary>div:first-child{border-inline-start:0}.student-operations-summary strong{font-size:var(--text-xl)}.student-operations-summary span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.student-operations-grid{gap:var(--space-5);grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:start;display:grid}@media (max-width:900px){.student-checkout-layout,.student-order-detail-layout,.student-operations-grid{grid-template-columns:1fr}.student-checkout-layout .student-commerce-summary,.student-order-detail-layout .student-commerce-summary{position:static}}@media (max-width:720px){.student-order-heading{flex-direction:column;align-items:flex-start}.student-operations-summary{grid-template-columns:1fr}.student-operations-summary>div,.student-operations-summary>div:first-child{border-inline-start:0;border-top:1px solid var(--color-border)}.student-operations-summary>div:first-child{border-top:0}}@keyframes ui-page-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes marketing-hero-copy-enter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes marketing-frame-enter{0%{opacity:0;transform:translateY(18px)scale(.992)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes ui-view-reveal{0%{opacity:.35;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.ui-page{animation:ui-page-enter .26s var(--ease-standard) both}.ui-button{transition:background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard)}.ui-button:not(:disabled):hover{transform:translateY(-1px)}.ui-button:not(:disabled):active{transform:translateY(0)}.ui-panel,.ui-stat,.student-course-card,.marketing-persona-grid article{transition:border-color .18s var(--ease-standard), transform .18s var(--ease-standard), background-color .18s var(--ease-standard)}.ui-panel:hover,.ui-stat:hover,.student-course-card:hover,.marketing-persona-grid article:hover{border-color:color-mix(in srgb, var(--color-accent) 20%, var(--color-border))}.student-course-card:hover,.marketing-persona-grid article:hover{transform:translateY(-2px)}.marketing-hero-copy>*{animation:marketing-hero-copy-enter .42s var(--ease-standard) both}.marketing-hero-copy>:nth-child(2){animation-delay:50ms}.marketing-hero-copy>:nth-child(3){animation-delay:.1s}.marketing-hero-copy>:nth-child(4){animation-delay:.15s}.marketing-hero-copy>:nth-child(5){animation-delay:.2s}.marketing-product-frame{animation:marketing-frame-enter .52s var(--ease-standard) .12s both;transition:transform .22s var(--ease-standard), border-color .22s var(--ease-standard)}.marketing-product-frame:hover{border-color:color-mix(in srgb, var(--color-accent-surface) 32%, var(--color-ink-border));transform:translateY(-3px)}.marketing-product-frame__body aside span{transition:color .16s var(--ease-standard), background-color .16s var(--ease-standard), transform .16s var(--ease-standard)}.marketing-product-frame__body aside span:hover{color:var(--color-sidebar-foreground);transform:translate(-2px)}@supports (animation-timeline:view()){.marketing-proof-strip,.marketing-how,.marketing-feature-layout,.marketing-personas,.marketing-final-cta,.student-catalog-section,.student-course-block{animation:1ms linear both ui-view-reveal;animation-timeline:view();animation-range:entry entry 28%}}.teacher-media-policy-grid{gap:var(--space-5);margin-bottom:var(--space-6);grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;display:grid}.teacher-definition-list--policy{margin:0}.teacher-protection-list,.teacher-live-steps{gap:0;margin:0;padding:0;list-style:none;display:grid}.teacher-protection-list li,.teacher-live-steps li{gap:var(--space-4);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);grid-template-columns:minmax(9rem,.35fr) minmax(0,1fr);display:grid}.teacher-protection-list li:first-child,.teacher-live-steps li:first-child{padding-top:0}.teacher-protection-list li:last-child,.teacher-live-steps li:last-child{border-bottom:0;padding-bottom:0}.teacher-protection-list span,.teacher-live-steps span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.teacher-media-state{gap:var(--space-2);flex-wrap:wrap;display:flex}.teacher-live-layout{gap:var(--space-5);margin-bottom:var(--space-6);grid-template-columns:minmax(0,1.05fr) minmax(18rem,.75fr);align-items:start;display:grid}.teacher-live-time-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-video-panel{border-inline-start:3px solid var(--color-accent);padding-inline-start:var(--space-4)}.teacher-video-panel .teacher-definition-list{background:var(--color-surface-subtle);border-radius:var(--radius);padding:var(--space-3)}@media (max-width:64rem){.teacher-media-policy-grid,.teacher-live-layout{grid-template-columns:1fr}}@media (max-width:44rem){.teacher-live-time-grid{grid-template-columns:1fr}.teacher-protection-list li,.teacher-live-steps li{gap:var(--space-1);grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.ui-page,.marketing-hero-copy>*,.marketing-product-frame,.student-course-card,.marketing-persona-grid article{transform:none!important}}.secure-live-room{gap:var(--space-5);max-width:1180px;padding:var(--space-5);margin:0 auto;display:grid}.secure-live-room__header p{color:var(--color-muted-foreground);margin:0}.secure-live-room__eyebrow{font-size:var(--text-xs);color:var(--color-accent);font-weight:700}.secure-live-room__stage{gap:var(--space-3);min-height:420px;padding:var(--space-3);background:var(--color-sidebar);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid;position:relative;overflow:hidden}.secure-live-room__placeholder{color:var(--color-sidebar-muted);pointer-events:none;place-items:center;display:grid;position:absolute;inset:0}.secure-live-video{z-index:1;object-fit:cover;border-radius:var(--radius);background:color-mix(in srgb, var(--color-sidebar) 84%, var(--color-accent));width:100%;height:100%;min-height:260px;position:relative}.secure-live-audio{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.secure-live-room__controls{gap:var(--space-2);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);flex-wrap:wrap;display:flex}.secure-live-room__participants{gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);display:grid}.secure-live-room__participants h2{align-items:center;gap:var(--space-2);margin:0 0 var(--space-1);font-size:var(--text-base);display:flex}.secure-live-room__participant{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius);background:var(--color-surface-subtle);display:flex}@media (max-width:700px){.secure-live-room{padding:var(--space-3)}.secure-live-room__header{flex-direction:column}.secure-live-room__stage{grid-template-columns:1fr;min-height:320px}}.ui-nav__icon{flex:0 0 22px;justify-content:center;align-items:center;width:22px;height:22px;display:none}.ui-nav__icon svg,.student-academy-nav svg,.student-cart-link svg{display:block}.student-academy-nav__mobile-cart{display:none!important}.secure-live-room__participants summary{justify-content:space-between;align-items:center;gap:var(--space-3);cursor:pointer;padding-bottom:var(--space-2);font-weight:800;list-style:none;display:flex}.secure-live-room__participants summary::-webkit-details-marker{display:none}.secure-live-room__participants summary span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.secure-live-video--local{outline:1px solid #ffffffa6}:is(.secure-live-room__stage:has(.secure-live-video--remote) .secure-live-video--local.secure-live-video--camera,.secure-live-room__stage:has(.secure-live-video--screen) .secure-live-video--local.secure-live-video--camera){inset-inline-end:var(--space-3);bottom:var(--space-3);aspect-ratio:3/4;z-index:4;border:2px solid #ffffffd9;width:min(30%,170px);height:auto;min-height:0;position:absolute}@media (max-width:50rem){.ui-app-shell--mobile-icon-nav{padding-bottom:calc(72px + env(safe-area-inset-bottom));display:block}.ui-app-shell--mobile-icon-nav .ui-sidebar{z-index:40;inset-inline:0;width:100%;height:calc(64px + env(safe-area-inset-bottom));padding:6px 8px env(safe-area-inset-bottom);border:0;border-top:1px solid var(--color-sidebar-border);position:fixed;top:auto;bottom:0;overflow:hidden}.ui-app-shell--mobile-icon-nav .ui-sidebar>.ui-brand,.ui-app-shell--mobile-icon-nav .ui-sidebar__context,.ui-app-shell--mobile-icon-nav .ui-sidebar__footer,.ui-app-shell--mobile-icon-nav .ui-nav__group{display:none}.ui-app-shell--mobile-icon-nav .ui-nav{scrollbar-width:none;scroll-snap-type:x proximity;align-items:center;gap:4px;height:100%;margin:0;padding:0 0 2px;display:flex;overflow:auto hidden}.ui-app-shell--mobile-icon-nav .ui-nav::-webkit-scrollbar{display:none}.ui-app-shell--mobile-icon-nav .ui-nav__item{scroll-snap-align:center;flex:0 0 52px;display:block}.ui-app-shell--mobile-icon-nav .ui-nav__item>a{border-radius:var(--radius);justify-content:center;width:48px;height:48px;min-height:48px;padding:0}.ui-app-shell--mobile-icon-nav .ui-nav__icon{display:inline-flex}.ui-app-shell--mobile-icon-nav .ui-nav__icon+.ui-nav__label{display:none}.ui-app-shell--mobile-icon-nav .ui-nav__item>a[aria-current=page]{color:var(--color-sidebar-foreground)}.ui-app-shell--mobile-icon-nav .ui-topbar{min-height:58px;position:sticky;top:0}.ui-app-shell--mobile-icon-nav .ui-page{padding-bottom:var(--space-6)}.secure-live-room{gap:var(--space-3);width:100%;max-width:none;padding:var(--space-3);align-content:start;min-height:100svh}.secure-live-room__header{gap:var(--space-2)}.secure-live-room__header h1{margin-bottom:var(--space-1);font-size:clamp(1.25rem,6vw,1.7rem)}.secure-live-room__header p{font-size:var(--text-sm);line-height:1.5}.secure-live-room__stage{aspect-ratio:16/9;border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(min(42%,150px),1fr));gap:6px;width:100%;height:auto;min-height:0;max-height:52svh;padding:6px;overflow:auto}.secure-live-video{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);width:100%;height:100%;min-height:0}:is(.secure-live-room__stage:has(.secure-live-video--remote) .secure-live-video--local.secure-live-video--camera,.secure-live-room__stage:has(.secure-live-video--screen) .secure-live-video--local.secure-live-video--camera){inset-inline-end:8px;border-radius:var(--radius);width:min(28%,104px);bottom:8px}.secure-live-room__placeholder{padding:var(--space-4);text-align:center;font-size:var(--text-sm)}.secure-live-room__controls{bottom:max(8px, env(safe-area-inset-bottom));z-index:20;border-radius:var(--radius);background:color-mix(in srgb, var(--color-surface) 94%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-wrap:nowrap;justify-content:center;gap:8px;padding:8px;position:sticky}.ui-app-shell--mobile-icon-nav .secure-live-room__controls{bottom:calc(70px + env(safe-area-inset-bottom))}.secure-live-room__controls .ui-button{border-radius:var(--radius);width:48px;min-width:48px;height:48px;min-height:48px;padding:0}.secure-live-room__controls .ui-button span{display:none}.secure-live-room__participants{padding:var(--space-3);max-height:34svh;overflow:auto}.secure-live-room__participants:not([open]){max-height:none;overflow:visible}.secure-live-room--participant .secure-live-room__participants{margin-bottom:var(--space-2)}}@media (max-width:720px){.student-academy-shell{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.student-academy-header{z-index:30;position:sticky;top:0}.student-academy-header__inner{grid-template-columns:minmax(0,1fr) auto;min-height:60px;padding-block:8px}.student-academy-brand img,.student-academy-monogram{width:36px;height:36px}.student-academy-brand__copy strong{font-size:var(--text-sm)}.student-cart-link{justify-content:center;width:42px;min-width:42px;padding:0}.student-cart-link span{display:none}.student-academy-nav{z-index:45;inset-inline:0;width:100%;height:calc(64px + env(safe-area-inset-bottom));padding:6px 8px env(safe-area-inset-bottom);border-top:1px solid var(--color-border);background:color-mix(in srgb, var(--color-surface) 96%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);justify-content:space-around;align-items:center;gap:2px;display:flex;position:fixed;bottom:0;overflow:hidden}.student-academy-nav a,.student-academy-nav__mobile-cart{border-radius:var(--radius);flex:1 1 0;justify-content:center;width:auto;min-width:0;min-height:48px;padding:0;display:inline-flex!important}.student-academy-nav a span{display:none}.student-academy-nav a svg{width:21px;height:21px}.student-academy-nav a[data-active=true]{color:var(--color-accent);background:color-mix(in srgb, var(--academy-secondary,var(--color-accent-surface)) 42%, var(--color-surface));border-color:#0000}}.quiz-lesson-builder{gap:var(--space-5);padding-block:var(--space-2);display:grid}.quiz-lesson-builder h4{font-size:var(--text-lg);margin:0}.quiz-composer,.quiz-current-questions{gap:var(--space-4);border-top:1px solid var(--color-border);padding-top:var(--space-5);display:grid}.quiz-template-grid{gap:var(--space-3);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.quiz-template-grid--bank{margin-bottom:var(--space-5)}.quiz-template-card{text-align:start;align-content:start;gap:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);min-height:96px;padding:var(--space-3);color:var(--color-foreground);cursor:pointer;font:inherit;transition:border-color .16s,background-color .16s;display:grid}.quiz-template-card:hover{border-color:var(--color-accent);background:var(--color-surface-subtle)}.quiz-template-card--active{border-color:var(--color-accent);background:color-mix(in srgb, var(--color-accent-surface) 55%, var(--color-surface))}.quiz-template-card strong{font-size:var(--text-sm)}.quiz-template-card span{color:var(--color-muted-foreground);font-size:var(--text-xs);line-height:1.5}.quiz-builder-question-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.quiz-builder-question-list>li{gap:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);background:var(--color-surface);grid-template-columns:minmax(0,1fr) auto;align-items:start;display:grid}.quiz-builder-question-main{gap:var(--space-3);grid-template-columns:32px minmax(0,1fr);align-items:start;display:grid}.quiz-question-index{border-radius:var(--radius);background:color-mix(in srgb, var(--color-accent-surface) 55%, var(--color-surface));width:32px;height:32px;color:var(--color-accent);place-items:center;font-weight:800;display:grid}.quiz-builder-question-main p{margin:var(--space-1) 0 0;color:var(--color-muted-foreground);font-size:var(--text-sm)}.quiz-builder-question-main ul{margin:var(--space-2) 0 0;color:var(--color-muted-foreground);font-size:var(--text-sm);padding-inline-start:var(--space-5)}.quiz-builder-question-main .quiz-option-correct{color:var(--color-accent);font-weight:700}.quiz-question-actions{align-items:end;gap:var(--space-2);flex-wrap:wrap;display:flex}.quiz-question-actions form{gap:var(--space-2);grid-template-columns:90px auto;align-items:end;display:grid}.quiz-bank-add{gap:var(--space-3);border-top:1px solid var(--color-border);padding-top:var(--space-4);grid-template-columns:minmax(0,1fr) 120px auto;align-items:end;display:grid}.quiz-publish-bar{bottom:var(--space-3);z-index:3;justify-content:space-between;align-items:center;gap:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:color-mix(in srgb, var(--color-surface) 94%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:var(--space-3) var(--space-4);display:flex;position:sticky}.quiz-publish-bar p{margin:var(--space-1) 0 0;color:var(--color-muted-foreground);font-size:var(--text-sm)}@media (max-width:56rem){.quiz-template-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-builder-question-list>li{grid-template-columns:1fr}.quiz-question-actions{justify-content:space-between}.quiz-bank-add{grid-template-columns:1fr 100px}.quiz-bank-add>button{grid-column:1/-1}}@media (max-width:36rem){.quiz-template-grid{gap:var(--space-2);grid-template-columns:1fr 1fr}.quiz-template-card{min-height:84px;padding:var(--space-3)}.learning-option-row{grid-template-columns:minmax(0,1fr) auto}.learning-option-row>button{grid-column:1/-1;justify-self:start}.quiz-question-actions,.quiz-question-actions form{width:100%}.quiz-question-actions form{grid-template-columns:minmax(80px,.35fr) minmax(0,1fr)}.quiz-publish-bar{bottom:calc(64px + env(safe-area-inset-bottom));flex-direction:column;align-items:stretch}.quiz-publish-bar>button{width:100%}}body{font-feature-settings:"kern" 1}h1,h2,h3,.ui-brand{font-family:var(--font-display)}.ui-topbar__tools,.student-academy-header__tools{align-items:center;gap:var(--space-2);display:flex}.ui-theme-toggle{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);min-width:40px;min-height:40px;color:var(--color-foreground);justify-content:center;align-items:center;gap:var(--space-2);padding:0 var(--space-3);cursor:pointer;display:inline-flex}.ui-theme-toggle:hover{background:var(--color-surface-subtle)}.ui-theme-toggle--compact{width:40px;padding:0}.ui-section-tabs{align-items:center;gap:var(--space-1);padding:var(--space-1);margin-bottom:var(--space-7);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);scrollbar-width:none;display:flex;overflow-x:auto}.ui-section-tabs::-webkit-scrollbar{display:none}.ui-section-tabs a{align-items:center;gap:var(--space-2);min-height:40px;padding:var(--space-2) var(--space-3);border-radius:calc(var(--radius) - .2rem);color:var(--color-muted-foreground);font-size:var(--text-sm);white-space:nowrap;flex:none;font-weight:650;text-decoration:none;display:inline-flex}.ui-section-tabs a:hover{color:var(--color-foreground);background:var(--color-surface-subtle)}.ui-section-tabs a[aria-current=page]{color:var(--color-foreground);background:var(--color-accent-surface)}.marketing-v2{overflow:clip}.marketing-v2-hero{background:var(--color-ink);color:var(--color-ink-foreground);border-bottom:1px solid var(--color-ink-border)}.marketing-v2-hero__inner{grid-template-columns:minmax(0,.9fr) minmax(32rem,1.1fr);align-items:center;gap:clamp(2rem,6vw,6rem);width:min(100% - 2rem,88rem);min-height:min(48rem,88svh);margin-inline:auto;padding-block:clamp(4rem,10vw,8rem);display:grid}.marketing-v2-copy{animation:product-reveal .65s var(--ease-standard) both}.marketing-v2-copy h1{margin:var(--space-3) 0 var(--space-5);letter-spacing:-.045em;white-space:nowrap;font-size:clamp(2.6rem,5.7vw,5.35rem);font-weight:700;line-height:1.04}.marketing-v2-copy>p{color:var(--color-ink-muted);max-width:36rem;margin-bottom:0;font-size:clamp(1rem,1.6vw,1.2rem)}.marketing-v2 .marketing-kicker{color:var(--color-accent-surface);font-size:var(--text-sm);letter-spacing:.01em;font-weight:700;display:inline-flex}.marketing-v2-proof{margin-top:var(--space-6);gap:var(--space-2);color:var(--color-ink-muted);font-size:var(--text-xs);flex-wrap:wrap;display:flex}.marketing-v2-proof span{border:1px solid var(--color-ink-border);border-radius:var(--radius-pill);padding:.45rem .7rem}.marketing-v2-hero .ui-button:not(.ui-button--primary){color:var(--color-ink-foreground);border-color:var(--color-ink-border);background:0 0}.marketing-v2-hero .ui-button:not(.ui-button--primary):hover{background:#11211d}.marketing-v2-product{border:1px solid var(--color-ink-border);border-radius:var(--radius-lg);animation:product-reveal .7s 80ms var(--ease-standard) both;background:#0f1a17;overflow:hidden}.marketing-v2-product__chrome{min-height:50px;padding:0 var(--space-4);border-bottom:1px solid var(--color-ink-border);align-items:center;gap:var(--space-3);color:var(--color-ink-muted);font-size:var(--text-xs);display:flex}.marketing-v2-product__chrome small{margin-inline-start:auto}.marketing-v2-dot{border-radius:var(--radius-round);background:var(--color-warm-accent);width:8px;height:8px}.marketing-v2-product__body{grid-template-columns:10.5rem minmax(0,1fr);min-height:29rem;display:grid}.marketing-v2-product aside{padding:var(--space-5) var(--space-4);border-inline-end:1px solid var(--color-ink-border);align-content:start;gap:var(--space-2);color:var(--color-ink-muted);display:grid}.marketing-v2-product aside span,.marketing-v2-product aside b{align-items:center;gap:var(--space-2);font-size:var(--text-xs);border-radius:var(--radius-sm);padding:.65rem .75rem;display:flex}.marketing-v2-product aside b{color:#eaf7f1;background:#17332c}.marketing-v2-product__body>section{padding:var(--space-6)}.marketing-v2-product__heading{justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-6);align-items:flex-start;display:flex}.marketing-v2-product__heading small{color:var(--color-ink-muted);margin-bottom:var(--space-1);display:block}.marketing-v2-product__heading strong{font-size:var(--text-lg)}.marketing-v2-product__heading button{border-radius:var(--radius-sm);color:#07130f;min-height:38px;padding:0 var(--space-3);font:inherit;background:#79d0bc;border:0;font-weight:700}.marketing-v2-metrics{gap:var(--space-2);margin-bottom:var(--space-5);grid-template-columns:repeat(3,1fr);display:grid}.marketing-v2-metrics article{border:1px solid var(--color-ink-border);border-radius:var(--radius);padding:var(--space-4)}.marketing-v2-metrics span{color:var(--color-ink-muted);font-size:.7rem;display:block}.marketing-v2-metrics b{margin-top:var(--space-2);font-size:var(--text-xl);display:block}.marketing-v2-task{align-items:center;gap:var(--space-3);padding:var(--space-4) 0;border-top:1px solid var(--color-ink-border);grid-template-columns:auto minmax(0,1fr) auto;display:grid}.marketing-v2-task div{gap:2px;display:grid}.marketing-v2-task span{color:var(--color-ink-muted);font-size:var(--text-xs)}.marketing-v2-task>b{font-size:var(--text-xs);color:#9ae2d2}.marketing-v2-pillar-wrap{background:var(--color-background)}.marketing-v2-pillars{padding-block:var(--space-16);grid-template-columns:repeat(4,minmax(0,1fr));gap:0;display:grid}.marketing-v2-pillars article{padding:var(--space-6);border-inline-start:1px solid var(--color-border)}.marketing-v2-pillars article:first-child{border-inline-start:0}.marketing-v2-pillars svg{color:var(--color-accent)}.marketing-v2-pillars h2{margin:var(--space-4) 0 var(--space-2);font-size:var(--text-lg)}.marketing-v2-pillars p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.marketing-v2-flow{padding-block:var(--space-20)}.marketing-v2-flow header{margin-bottom:var(--space-10)}.marketing-v2-flow h2,.marketing-v2-dark-section h2,.marketing-v2-final h2{margin:var(--space-2) 0 0;letter-spacing:-.035em;font-size:clamp(2rem,4vw,3.5rem)}.marketing-v2-flow ol{border-block:1px solid var(--color-border);grid-template-columns:repeat(4,1fr);margin:0;padding:0;list-style:none;display:grid}.marketing-v2-flow li{gap:var(--space-5);padding:var(--space-7);border-inline-start:1px solid var(--color-border);display:grid}.marketing-v2-flow li:first-child{border-inline-start:0}.marketing-v2-flow li>span{color:var(--color-accent);font-size:var(--text-xs)}.marketing-v2-flow p{color:var(--color-muted-foreground);margin:var(--space-1) 0 0}.marketing-v2-dark-section{background:var(--color-ink);color:var(--color-ink-foreground);padding-block:var(--space-20)}.marketing-v2-dark-section p{color:var(--color-ink-muted);max-width:48rem}.marketing-v2-mobile-demo{margin-top:var(--space-8);max-width:34rem;padding:var(--space-2);border:1px solid var(--color-ink-border);border-radius:var(--radius-lg);background:#0e1916;grid-template-columns:repeat(5,1fr);display:grid}.marketing-v2-mobile-demo div{min-height:64px;color:var(--color-ink-muted);align-content:center;place-items:center;gap:4px;font-size:.65rem;display:grid}.marketing-v2-mobile-demo div:nth-child(2){color:#baf0e4;border-radius:var(--radius);background:#17332c}.marketing-v2-final{padding-block:var(--space-20);justify-content:space-between;align-items:end;gap:var(--space-8);display:flex}@keyframes product-reveal{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.secure-live-room{width:min(100%,96rem);padding:var(--space-4);align-content:start;gap:var(--space-4);min-height:calc(100svh - 2rem);margin-inline:auto;display:grid}.secure-live-room__header{justify-content:space-between;align-items:flex-start;gap:var(--space-4);display:flex}.secure-live-room__header h1{margin:var(--space-1) 0;font-size:clamp(1.25rem,2.2vw,2rem)}.secure-live-room__header p{color:var(--color-muted-foreground);max-width:52rem;font-size:var(--text-sm);margin:0}.secure-live-room__eyebrow{color:var(--color-accent);font-size:var(--text-xs);font-weight:750}.secure-live-room__header-actions{align-items:center;gap:var(--space-2);display:flex}.secure-live-room__count{color:var(--color-muted-foreground);font-size:var(--text-sm);align-items:center;gap:5px;display:inline-flex}.secure-live-classroom{gap:var(--space-3);grid-template-columns:minmax(0,1fr) 20rem;min-height:0;display:grid}.secure-live-classroom__main{gap:var(--space-3);grid-template-rows:minmax(0,1fr) auto;min-width:0;display:grid}.secure-live-room__stage{border-radius:var(--radius-lg);background:#050807;border:1px solid #1d2b26;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:2px;height:min(68svh,48rem);min-height:min(62svh,42rem);display:grid;position:relative;overflow:hidden}.secure-live-video{object-fit:cover;background:#050807;width:100%;height:100%;min-height:12rem}.secure-live-video[data-live-source=screen_share],.secure-live-video--screen{object-fit:contain;grid-column:1/-1}.secure-live-room__placeholder{align-content:center;place-items:center;gap:var(--space-2);color:#9bada5;text-align:center;padding:var(--space-6);pointer-events:none;display:grid;position:absolute;inset:0}.secure-live-room__placeholder strong{color:#eef6f2}.secure-live-room__stage:has(video) .secure-live-room__placeholder{display:none}:is(.secure-live-room__stage:has(.secure-live-video--remote) .secure-live-video--local.secure-live-video--camera,.secure-live-room__stage:has(.secure-live-video--screen) .secure-live-video--local.secure-live-video--camera){z-index:5;aspect-ratio:3/4;width:min(22%,12rem);height:auto;inset-inline-end:var(--space-3);bottom:var(--space-3);border-radius:var(--radius);object-fit:cover;border:2px solid #fff;position:absolute}.secure-live-room__controls{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);display:flex}.secure-live-room__controls .ui-button{min-width:44px;min-height:44px}.secure-live-room__controls .ui-button.is-active{color:var(--color-accent);border-color:color-mix(in srgb, var(--color-accent) 35%, var(--color-border));background:var(--color-accent-surface)}.secure-live-classroom__side{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);grid-template-rows:auto minmax(0,1fr);min-height:0;max-height:calc(68svh + 62px);display:grid;overflow:hidden}.secure-live-classroom__tabs{padding:var(--space-2);gap:var(--space-1);border-bottom:1px solid var(--color-border);grid-template-columns:1fr 1fr;display:grid}.secure-live-classroom__tabs button{border-radius:var(--radius-sm);min-height:40px;color:var(--color-muted-foreground);font:inherit;font-size:var(--text-xs);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:6px;display:inline-flex}.secure-live-classroom__tabs button[aria-selected=true]{background:var(--color-surface-subtle);color:var(--color-foreground)}.secure-live-room__participants-v2{padding:var(--space-2);overflow-y:auto}.secure-live-room__participant{justify-content:space-between;align-items:center;gap:var(--space-2);min-height:48px;padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border);font-size:var(--text-sm);display:flex}.secure-live-room__participant .ui-button{min-height:32px;padding:var(--space-1) var(--space-2);font-size:var(--text-xs)}.secure-live-hands{align-items:center;gap:var(--space-2);padding:var(--space-3);margin-top:var(--space-2);color:var(--color-warning);background:var(--color-warning-surface);border-radius:var(--radius);font-size:var(--text-xs);display:flex}.secure-live-chat{grid-template-rows:minmax(0,1fr) auto;min-height:0;display:grid}.secure-live-chat__messages{padding:var(--space-3);align-content:start;gap:var(--space-2);display:grid;overflow-y:auto}.secure-live-chat__messages article{width:fit-content;max-width:90%;padding:var(--space-2) var(--space-3);border-radius:var(--radius);background:var(--color-surface-subtle)}.secure-live-chat__messages article.is-mine{background:var(--color-accent-surface);justify-self:end}.secure-live-chat__messages strong{color:var(--color-muted-foreground);font-size:.7rem}.secure-live-chat__messages p{font-size:var(--text-sm);white-space:pre-wrap;overflow-wrap:anywhere;margin:3px 0 0}.secure-live-chat__empty{align-content:center;place-items:center;gap:var(--space-2);min-height:14rem;color:var(--color-muted-foreground);font-size:var(--text-sm);text-align:center;display:grid}.secure-live-chat__form{padding:var(--space-2);border-top:1px solid var(--color-border);gap:var(--space-2);grid-template-columns:minmax(0,1fr) auto;display:grid}.secure-live-chat__form input{min-width:0;min-height:40px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-background);color:var(--color-foreground)}.secure-live-chat__form button{border-radius:var(--radius);background:var(--color-accent);min-height:40px;color:var(--color-on-accent);padding:0 var(--space-3);font:inherit;border:0;font-weight:700}.secure-live-room--focus .secure-live-classroom{grid-template-columns:minmax(0,1fr)}.secure-live-room--focus .secure-live-classroom__side{display:none}@media (max-width:64rem){.marketing-v2-hero__inner{grid-template-columns:1fr;min-height:auto}.marketing-v2-copy h1{white-space:normal;max-width:14ch}.marketing-v2-product{max-width:48rem}.marketing-v2-pillars,.marketing-v2-flow ol{grid-template-columns:repeat(2,1fr)}.secure-live-classroom{grid-template-columns:1fr}.secure-live-classroom__side{max-height:22rem}}@media (max-width:50rem){.ui-topbar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0}.ui-app-shell--mobile-icon-nav .ui-sidebar{background:color-mix(in srgb, var(--color-sidebar) 96%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.ui-section-tabs{margin-inline:calc(var(--space-4) * -1);padding-inline:var(--space-4);border-inline:0;border-radius:0}.ui-section-tabs a{min-height:42px}.marketing-v2-hero__inner{width:min(100% - 1.5rem,88rem);padding-block:var(--space-16) var(--space-10)}.marketing-v2-copy h1{max-width:11ch;font-size:clamp(2.5rem,13vw,4rem)}.marketing-v2-copy>p{max-width:27rem}.marketing-v2-product__body{grid-template-columns:1fr;min-height:24rem}.marketing-v2-product aside{display:none}.marketing-v2-product__body>section{padding:var(--space-4)}.marketing-v2-metrics{grid-template-columns:repeat(3,1fr)}.marketing-v2-metrics article{padding:var(--space-3)}.marketing-v2-metrics b{font-size:var(--text-lg)}.marketing-v2-pillars,.marketing-v2-flow ol{grid-template-columns:1fr}.marketing-v2-pillars article,.marketing-v2-flow li{border-inline-start:0;border-top:1px solid var(--color-border)}.marketing-v2-pillars article:first-child,.marketing-v2-flow li:first-child{border-top:0}.marketing-v2-final{flex-direction:column;align-items:flex-start}.marketing-header__inner{align-items:center}.marketing-nav,.marketing-header-actions>a:first-of-type{display:none}.secure-live-room{min-height:100svh;padding:var(--space-2);padding-bottom:calc(76px + env(safe-area-inset-bottom));gap:var(--space-2)}.secure-live-room__header{padding:var(--space-1) var(--space-1) 0}.secure-live-room__header p{display:none}.secure-live-room__header h1{white-space:nowrap;text-overflow:ellipsis;max-width:60vw;font-size:1.1rem;overflow:hidden}.secure-live-room__header-actions .ui-badge{display:none}.secure-live-room__stage{aspect-ratio:16/9;border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(min(45%,9rem),1fr));width:100%;height:auto;min-height:0;max-height:53svh}.secure-live-video{aspect-ratio:16/9;min-height:0}:is(.secure-live-room__stage:has(.secure-live-video--remote) .secure-live-video--local.secure-live-video--camera,.secure-live-room__stage:has(.secure-live-video--screen) .secure-live-video--local.secure-live-video--camera){inset-inline-end:7px;border-width:1px;width:min(27%,6rem);bottom:7px}.secure-live-room__controls{z-index:30;bottom:calc(70px + env(safe-area-inset-bottom));scrollbar-width:none;background:color-mix(in srgb, var(--color-surface) 94%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);justify-content:flex-start;gap:5px;padding:6px;position:sticky;overflow-x:auto}.secure-live-room__controls::-webkit-scrollbar{display:none}.secure-live-room__controls .ui-button{border-radius:var(--radius-round);flex:0 0 46px;width:46px;min-width:46px;height:46px;min-height:46px;padding:0}.secure-live-room__controls .ui-button span{display:none}.secure-live-classroom__side{border-radius:var(--radius);max-height:28svh}.secure-live-room--focus .secure-live-room__stage{max-height:66svh}.secure-live-chat__empty{min-height:8rem}}.secure-live-board{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);grid-template-rows:auto minmax(0,1fr);height:min(68svh,48rem);min-height:min(62svh,42rem);display:grid;overflow:hidden}.secure-live-board__bar{align-items:center;gap:var(--space-3);min-height:52px;padding:var(--space-2) var(--space-4);border-bottom:1px solid var(--color-border);display:flex}.secure-live-board__bar span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.secure-live-board__bar .ui-button{min-height:34px;margin-inline-start:auto}.secure-live-board svg{width:100%;height:100%;min-height:0;color:var(--color-foreground);background:var(--color-surface);touch-action:none;cursor:crosshair}.secure-live-board polyline{fill:none;stroke:currentColor;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}@media (max-width:50rem){.secure-live-board{aspect-ratio:16/9;height:auto;min-height:0;max-height:53svh}.secure-live-board__bar{min-height:40px;padding:5px var(--space-2)}.secure-live-board__bar span{display:none}.secure-live-board__bar .ui-button{min-height:30px;padding:0 var(--space-2);font-size:.7rem}}.teacher-public-header__tools{align-items:center;gap:var(--space-2);display:flex}.marketing-r7{background:var(--color-background);overflow:clip}.marketing-r7-hero{isolation:isolate;background:var(--color-ink);color:var(--color-ink-foreground);border-bottom:1px solid var(--color-ink-border);position:relative;overflow:hidden}.marketing-r7-hero__glow{border:1px solid color-mix(in srgb, var(--color-accent) 48%, var(--color-ink-border));border-radius:var(--radius-round);inset-inline-start:-9rem;opacity:.45;width:26rem;height:26rem;animation:r7-orbit-in 1.1s var(--ease-standard) both;position:absolute;top:-12rem}.marketing-r7-hero__inner{grid-template-columns:minmax(0,1.02fr) minmax(31rem,.98fr);align-items:center;gap:clamp(2rem,5vw,5.5rem);width:min(100% - 2rem,88rem);min-height:min(47rem,84svh);margin-inline:auto;padding-block:clamp(5rem,8vw,7.5rem);display:grid}.marketing-r7-copy{z-index:3;animation:r7-copy-in .8s 80ms var(--ease-standard) both;position:relative}.marketing-r7-copy .marketing-kicker{color:color-mix(in srgb, var(--color-accent-surface) 76%, var(--color-ink-foreground));letter-spacing:.02em;text-transform:none}.marketing-r7-copy h1{margin:var(--space-3) 0 var(--space-4);letter-spacing:-.05em;text-wrap:balance;max-width:13ch;font-size:clamp(3rem,5.25vw,5rem);font-weight:700;line-height:1.08}.marketing-r7-copy>p{max-width:35rem;color:var(--color-ink-muted);margin:0;font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.8}.marketing-r7 .marketing-actions{align-items:center}.marketing-text-link{color:inherit;border-bottom:1px solid color-mix(in srgb,currentColor 38%,transparent);align-items:center;gap:.45rem;padding-block:.45rem;font-weight:650;text-decoration:none;display:inline-flex}.marketing-text-link:hover{color:var(--color-accent-surface)}.marketing-proof-line{margin-top:var(--space-7);gap:var(--space-5);color:var(--color-ink-muted);font-size:var(--text-xs);flex-wrap:wrap;display:flex}.marketing-proof-line span{background:0 0;border:0;align-items:center;gap:.45rem;padding:0;display:inline-flex}.marketing-proof-line svg{color:var(--color-accent-surface)}.marketing-r7-orbit{perspective:1200px;min-height:34rem;animation:r7-stage-in .9s .14s var(--ease-standard) both;place-items:center;display:grid;position:relative}.marketing-r7-orbit .orbit{border:1px solid var(--color-ink-border);border-radius:var(--radius-round);pointer-events:none;position:absolute}.marketing-r7-orbit .orbit--one{width:31rem;height:31rem;animation:r7-ring-pulse 1.05s .45s var(--ease-standard) both}.marketing-r7-orbit .orbit--two{width:25rem;height:25rem;animation:r7-ring-spin 1.4s .35s var(--ease-standard) both;border-style:dashed}.marketing-r7-device{z-index:2;border:1px solid var(--color-ink-border);border-radius:var(--radius-lg);background:color-mix(in srgb, var(--color-ink) 86%, var(--color-accent) 14%);width:min(100%,39rem);box-shadow:var(--shadow-overlay);position:relative;overflow:hidden;transform:rotateY(-4deg)rotateX(1deg)}.marketing-r7-device__top{align-items:center;gap:var(--space-3);min-height:46px;padding-inline:var(--space-4);border-bottom:1px solid var(--color-ink-border);color:var(--color-ink-muted);font-size:.75rem;display:flex}.marketing-r7-device__top i{border-radius:var(--radius-round);background:var(--color-warm-accent);width:8px;height:8px}.marketing-r7-device__body{grid-template-columns:9.5rem minmax(0,1fr);min-height:25rem;display:grid}.marketing-r7-device aside{padding:var(--space-5) var(--space-3);border-inline-end:1px solid var(--color-ink-border);align-content:start;gap:var(--space-2);color:var(--color-ink-muted);display:grid}.marketing-r7-device aside span,.marketing-r7-device aside b{border-radius:var(--radius-sm);align-items:center;gap:.55rem;padding:.7rem;font-size:.72rem;display:flex}.marketing-r7-device aside b{color:var(--color-ink-foreground);background:color-mix(in srgb,var(--color-accent) 46%,var(--color-ink))}.marketing-r7-device__body>section{padding:var(--space-6)}.marketing-r7-device__body section>small{color:var(--color-ink-muted)}.marketing-r7-device__body section>h2{margin:.35rem 0 var(--space-5);font-size:1.35rem}.marketing-r7-kpis{grid-template-columns:repeat(3,1fr);gap:.6rem;display:grid}.marketing-r7-kpis span{border:1px solid var(--color-ink-border);border-radius:var(--radius);color:var(--color-ink-muted);gap:.3rem;padding:.85rem;font-size:.68rem;display:grid}.marketing-r7-kpis b{color:var(--color-ink-foreground);font-size:1.25rem}.marketing-r7-live{margin-top:var(--space-5);padding:var(--space-4) 0;border-block:1px solid var(--color-ink-border);gap:var(--space-3);grid-template-columns:auto 1fr auto;align-items:center;display:grid}.marketing-r7-live div{gap:.2rem;display:grid}.marketing-r7-live small{color:var(--color-ink-muted)}.marketing-r7-live em{color:var(--color-accent-surface);letter-spacing:.08em;font-size:.68rem;font-style:normal;font-weight:800}.marketing-tree-section{padding-block:clamp(5rem,9vw,8.5rem)}.marketing-tree-section>header{max-width:52rem;margin-bottom:var(--space-12)}.marketing-tree-section h2,.marketing-r7-steps h2,.marketing-r7-showcase h2,.marketing-r7-final h2{margin:var(--space-2) 0 var(--space-3);letter-spacing:-.04em;font-size:clamp(2rem,4vw,3.7rem);line-height:1.15}.marketing-tree-section header p,.marketing-r7-showcase p{color:var(--color-muted-foreground)}.tree-ui{min-height:31rem;padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);position:relative;overflow:hidden}.tree-ui__lines{width:100%;height:100%;color:var(--color-accent);position:absolute;inset:0}.tree-ui__lines path{fill:none;stroke:currentColor;stroke-width:1.4px;vector-effect:non-scaling-stroke;stroke-dasharray:900;stroke-dashoffset:900px;animation:r7-tree-draw 1.4s .35s var(--ease-standard) forwards;opacity:.52}.tree-ui__lines circle{fill:var(--color-warm-accent);opacity:0;animation:r7-node-pop .35s 1.1s var(--ease-standard) forwards}.tree-ui__root{z-index:2;inset-inline:50%;text-align:center;border:1px solid color-mix(in srgb,var(--color-accent) 45%,var(--color-border));border-radius:var(--radius);background:var(--color-accent);width:17rem;min-height:7rem;color:var(--color-on-accent);animation:r7-root-in .55s 50ms var(--ease-standard) both;align-content:center;place-items:center;gap:.3rem;display:grid;position:absolute;top:2.3rem;transform:translate(50%)}.tree-ui__root span{opacity:.75;font-size:.72rem}.tree-ui__root strong{max-width:14rem;font-size:1rem}.tree-ui__branches{z-index:2;inset-inline:4%;gap:var(--space-4);grid-template-columns:repeat(4,minmax(0,1fr));display:grid;position:absolute;bottom:2.5rem}.tree-ui__node{min-height:9rem;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-background);opacity:0;animation:r7-branch-in .55s calc(.7s + var(--tree-index) * .12s) var(--ease-standard) forwards;align-content:start;gap:.45rem;display:grid;transform:translateY(24px)}.tree-ui__node:nth-child(2n){background:color-mix(in srgb,var(--color-accent-surface) 26%,var(--color-background))}.tree-ui__icon{border-radius:var(--radius);background:var(--color-surface);border:1px solid var(--color-border);width:2.5rem;height:2.5rem;color:var(--color-accent);place-items:center;display:grid}.tree-ui__node strong{margin-top:.35rem}.tree-ui__node small{color:var(--color-muted-foreground);line-height:1.7}.marketing-r7-pillars{border-block:1px solid var(--color-border);background:var(--color-surface)}.marketing-r7-pillars .marketing-main{grid-template-columns:repeat(4,1fr);display:grid}.marketing-r7-pillars article{min-height:15rem;padding:var(--space-7);border-inline-start:1px solid var(--color-border);align-content:end;gap:.5rem;display:grid}.marketing-r7-pillars article:first-child{border-inline-start:0}.marketing-r7-pillars svg{color:var(--color-accent)}.marketing-r7-pillars h2{margin:var(--space-4) 0 0;font-size:1.25rem}.marketing-r7-pillars p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:0}.marketing-r7-steps{padding-block:clamp(5rem,9vw,8rem)}.marketing-r7-steps header{margin-bottom:var(--space-8)}.marketing-r7-steps ol{border-block:1px solid var(--color-border);grid-template-columns:repeat(4,1fr);margin:0;padding:0;list-style:none;display:grid}.marketing-r7-steps li{padding:var(--space-7);border-inline-start:1px solid var(--color-border);gap:.4rem;display:grid}.marketing-r7-steps li:first-child{border-inline-start:0}.marketing-r7-steps li b{color:var(--color-warm-accent);font-size:.72rem}.marketing-r7-steps li strong{margin-top:var(--space-4);font-size:1.05rem}.marketing-r7-steps li span{color:var(--color-muted-foreground);font-size:var(--text-sm)}.marketing-r7-showcase{background:var(--color-ink);color:var(--color-ink-foreground);padding-block:clamp(5rem,8vw,7rem)}.marketing-r7-showcase .marketing-main{grid-template-columns:minmax(0,1fr) minmax(18rem,.55fr);align-items:center;gap:clamp(2rem,7vw,7rem);display:grid}.marketing-r7-showcase .marketing-kicker{color:color-mix(in srgb,var(--color-accent-surface) 76%,var(--color-ink-foreground))}.marketing-r7-showcase p{color:var(--color-ink-muted);max-width:34rem}.marketing-r7-phone{border:1px solid var(--color-ink-border);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-ink) 90%,var(--color-accent) 10%);width:18rem;min-height:33rem;animation:r7-phone-in .75s .12s var(--ease-standard) both;grid-template-rows:1fr auto;justify-self:center;padding:.7rem;display:grid}.marketing-r7-phone__stage{border:1px solid var(--color-ink-border);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-ink) 82%,var(--color-accent) 18%);align-content:center;place-items:center;gap:.65rem;display:grid}.marketing-r7-phone__stage svg{color:var(--color-accent-surface)}.marketing-r7-phone__stage span{color:var(--color-ink-muted);font-size:.7rem}.marketing-r7-phone nav{grid-template-columns:repeat(5,1fr);padding:.6rem 0 .1rem;display:grid}.marketing-r7-phone nav span{color:var(--color-ink-muted);place-items:center;min-height:2.5rem;display:grid}.marketing-r7-phone nav .active{color:var(--color-accent-surface)}.marketing-r7-final{justify-content:space-between;align-items:end;gap:var(--space-7);padding-block:clamp(5rem,9vw,8rem);display:flex}.marketing-r7-final .marketing-actions{margin:0}.admin-branding-grid,.teacher-customization-grid{gap:var(--space-5);grid-template-columns:minmax(18rem,.38fr) minmax(0,1fr);align-items:start;display:grid}.admin-branding-assets,.teacher-brand-assets{gap:var(--space-4);grid-template-columns:repeat(2,1fr);display:grid}.admin-branding-assets>div,.teacher-brand-asset{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);gap:var(--space-3);background:var(--color-background);place-items:center;display:grid}.admin-branding-assets img,.teacher-brand-asset__preview img{object-fit:contain;max-width:100%;max-height:8rem}.teacher-customization-tabs{margin-bottom:var(--space-5)}.teacher-academy-preview{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);overflow:hidden}.teacher-academy-preview__cover{background:var(--color-surface-subtle);background-position:50%;background-size:cover;min-height:10rem}.teacher-academy-preview__content{padding:var(--space-6)}.teacher-academy-preview__logo{object-fit:contain;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);width:4.5rem;height:4.5rem;margin-top:-3rem}.teacher-course-toolbar{justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-5);border-block:1px solid var(--color-border);padding-block:var(--space-3);display:flex}.teacher-course-toolbar nav,.teacher-course-toolbar>div{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.teacher-course-toolbar button{color:var(--color-muted-foreground);font:inherit;font-size:var(--text-sm);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:0;padding:.55rem .75rem}.teacher-course-toolbar button[aria-current=page]{background:var(--color-accent-surface);color:var(--color-accent);font-weight:700}.teacher-course-grid--ops{grid-template-columns:repeat(auto-fit,minmax(min(100%,19rem),1fr))}.teacher-course-order{color:var(--color-muted-foreground);font-size:var(--text-xs);align-items:center;gap:.45rem;display:flex}.teacher-course-order span{margin-inline-end:auto}.teacher-course-order button{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:2rem;height:2rem;color:var(--color-foreground);cursor:pointer}.student-academy-announcement{text-align:center;padding:.55rem var(--space-4);background:var(--academy-secondary,var(--color-highlight));color:var(--color-foreground);font-size:var(--text-xs);font-weight:650}.student-academy-hero--cover{isolation:isolate;position:relative;overflow:hidden}.student-academy-hero--cover:before{content:"";background-image:var(--academy-cover);opacity:.16;z-index:-1;background-position:50%;background-size:cover;position:absolute;inset:0}@keyframes r7-copy-in{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}@keyframes r7-stage-in{0%{opacity:0;transform:translate(-32px)}to{opacity:1;transform:none}}@keyframes r7-orbit-in{0%{opacity:0;transform:translateY(-18px)}to{opacity:.45;transform:none}}@keyframes r7-tree-draw{to{stroke-dashoffset:0}}@keyframes r7-node-pop{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes r7-root-in{0%{opacity:0;transform:translate(50%,-16px)}to{opacity:1;transform:translate(50%)}}@keyframes r7-branch-in{to{opacity:1;transform:none}}@keyframes r7-ring-spin{0%{opacity:.15;transform:rotate(-22deg)}to{opacity:1;transform:rotate(0)}}@keyframes r7-ring-pulse{0%{opacity:.12;transform:translateY(-12px)}to{opacity:.6;transform:none}}@keyframes r7-phone-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@supports (animation-timeline:view()){.marketing-tree-section,.marketing-r7-pillars,.marketing-r7-steps,.marketing-r7-showcase{animation:linear both r7-scroll-in;animation-timeline:view();animation-range:entry 5% cover 28%}@keyframes r7-scroll-in{0%{opacity:.3;transform:translateY(46px)}to{opacity:1;transform:none}}}@media (min-width:72rem){.marketing-r7-copy h1{white-space:nowrap;max-width:none;font-size:clamp(3rem,4.45vw,4.55rem)}}@media (max-width:70rem){.marketing-r7-hero__inner{grid-template-columns:1fr;min-height:auto}.marketing-r7-copy h1{max-width:14ch}.marketing-r7-orbit{min-height:30rem}.marketing-r7-device{max-width:46rem}.tree-ui__branches{inset-inline:2%}.marketing-r7-showcase .marketing-main,.admin-branding-grid,.teacher-customization-grid{grid-template-columns:1fr}}@media (max-width:52rem){.marketing-r7-hero__inner{width:min(100% - 1.5rem,88rem);padding-block:var(--space-16) var(--space-10)}.marketing-r7-copy h1{max-width:11ch;font-size:clamp(2.45rem,12vw,3.7rem)}.marketing-r7-copy>p{max-width:26rem}.marketing-r7-orbit{min-height:24rem}.marketing-r7-device{transform:none}.marketing-r7-device__body{grid-template-columns:1fr;min-height:20rem}.marketing-r7-device aside{display:none}.marketing-r7-kpis span{padding:.7rem}.tree-ui{min-height:auto;padding:var(--space-5)}.tree-ui__lines{display:none}.tree-ui__root{width:100%;min-height:6.5rem;animation:.5s both r7-mobile-root;position:relative;inset:auto;transform:none}.tree-ui__branches{margin-top:var(--space-4);grid-template-columns:1fr 1fr;position:relative;inset:auto}.tree-ui__node{min-height:8rem}.marketing-r7-pillars .marketing-main,.marketing-r7-steps ol{grid-template-columns:1fr 1fr}.marketing-r7-pillars article:nth-child(3),.marketing-r7-pillars article:nth-child(4),.marketing-r7-steps li:nth-child(3),.marketing-r7-steps li:nth-child(4){border-top:1px solid var(--color-border)}.marketing-r7-final{flex-direction:column;align-items:flex-start}.admin-branding-assets,.teacher-brand-assets{grid-template-columns:1fr 1fr}.teacher-course-toolbar{flex-direction:column;align-items:flex-start}@keyframes r7-mobile-root{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}}@media (max-width:36rem){.marketing-r7-copy h1{max-width:10ch;font-size:2.55rem}.marketing-proof-line{gap:var(--space-3)}.marketing-r7-orbit{min-height:21rem}.marketing-r7-device__body>section{padding:var(--space-4)}.marketing-r7-kpis{gap:.35rem}.marketing-r7-kpis span{font-size:.58rem}.marketing-r7-kpis b{font-size:1rem}.tree-ui__branches,.marketing-r7-pillars .marketing-main,.marketing-r7-steps ol{grid-template-columns:1fr}.marketing-r7-pillars article,.marketing-r7-steps li{border-inline-start:0;border-top:1px solid var(--color-border)}.marketing-r7-pillars article:first-child,.marketing-r7-steps li:first-child{border-top:0}.marketing-r7-phone{width:min(100%,18rem)}.admin-branding-assets,.teacher-brand-assets{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.marketing-r7 *,.tree-ui *{transition:none!important;animation:none!important}.tree-ui__lines path{stroke-dashoffset:0}.tree-ui__lines circle,.tree-ui__node{opacity:1;transform:none}}.teacher-commerce-tabs{margin-bottom:var(--space-5)}.teacher-commerce-tabs button{appearance:none;color:var(--color-muted-foreground);border-radius:var(--radius-sm);min-height:44px;font:inherit;font-size:var(--text-sm);cursor:pointer;white-space:nowrap;background:0 0;border:0;align-items:center;gap:.45rem;padding:.6rem .9rem;display:inline-flex}.teacher-commerce-tabs button[aria-current=page]{color:var(--color-accent);background:var(--color-accent-surface);font-weight:700}.teacher-commerce-overview,.teacher-commerce-workspace{gap:var(--space-5);display:grid}.teacher-commerce-flow{border-block:1px solid var(--color-border);grid-template-columns:repeat(4,1fr);margin:0;padding:0;list-style:none;display:grid}.teacher-commerce-flow li{padding:var(--space-5);gap:var(--space-3);border-inline-start:1px solid var(--color-border);grid-template-columns:auto 1fr;display:grid}.teacher-commerce-flow li:first-child{border-inline-start:0}.teacher-commerce-flow b{color:var(--color-warm-accent);font-size:var(--text-xs)}.teacher-commerce-flow div{gap:.25rem;display:grid}.teacher-commerce-flow span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.teacher-product-readiness{margin:var(--space-3) 0;border-radius:var(--radius-sm);font-size:var(--text-xs);padding:.65rem .8rem}.teacher-product-readiness.is-ready{background:var(--color-success-surface);color:var(--color-success)}.teacher-product-readiness.is-blocked{background:var(--color-warning-surface);color:var(--color-warning)}@media (max-width:52rem){.teacher-commerce-tabs{scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.teacher-commerce-tabs::-webkit-scrollbar{display:none}.teacher-commerce-flow{grid-template-columns:1fr 1fr}.teacher-commerce-flow li:nth-child(3),.teacher-commerce-flow li:nth-child(4){border-top:1px solid var(--color-border)}}@media (max-width:34rem){.teacher-commerce-flow{grid-template-columns:1fr}.teacher-commerce-flow li{border-inline-start:0;border-top:1px solid var(--color-border)}.teacher-commerce-flow li:first-child{border-top:0}.teacher-commerce-tabs button span{font-size:.72rem}}.ui-panel__body{min-width:0}.ui-recaptcha{min-width:0;max-width:100%;padding-block:var(--space-1);overflow-x:auto}.ui-recaptcha>div{width:max-content;max-width:100%}.student-auth-tabs{gap:var(--space-1);padding:var(--space-1);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.student-auth-tabs button{border-radius:var(--radius-sm);min-height:42px;color:var(--color-muted-foreground);font:inherit;cursor:pointer;background:0 0;border:0;font-weight:650}.student-auth-tabs button[aria-selected=true]{background:var(--color-surface);color:var(--color-accent)}.teacher-editor-grid{grid-template-columns:minmax(16.5rem,.72fr) minmax(0,1.48fr);width:100%;min-width:0}.teacher-curriculum,.teacher-outline,.teacher-outline-section,.teacher-outline-chapter,.teacher-outline-heading,.teacher-lesson-list,.teacher-lesson-row{min-width:0}.teacher-outline-heading{flex-wrap:wrap}.teacher-outline-heading>:first-child{overflow-wrap:anywhere;min-width:0;max-width:100%}.teacher-outline-chapter{padding-inline-start:var(--space-2)}.teacher-order-actions{flex:none;max-width:100%}.teacher-lesson-row{grid-template-columns:minmax(0,1fr) max-content}.teacher-lesson-select{overflow-wrap:anywhere;width:100%;min-width:0}.teacher-inline-form>*{min-width:0}.teacher-lesson-create-form{grid-template-columns:minmax(0,1fr) minmax(5.5rem,.48fr) auto}.teacher-brand-asset__preview,.admin-branding-asset__preview{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-subtle);place-items:center;width:100%;height:8rem;display:grid;overflow:hidden}.teacher-brand-asset__preview img,.admin-branding-asset__preview img{object-fit:contain;width:100%;max-width:100%;height:100%;max-height:100%}.teacher-brand-asset--favicon .teacher-brand-asset__preview,.admin-branding-asset__preview--favicon{justify-self:center;width:min(100%,8rem)}.teacher-brand-asset--cover{grid-column:1/-1}.teacher-brand-asset--cover .teacher-brand-asset__preview{height:10rem}.teacher-brand-asset--cover .teacher-brand-asset__preview img{object-fit:cover}.teacher-brand-asset__actions,.admin-branding-asset__actions{justify-content:center;align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.admin-branding-assets>div,.teacher-brand-asset{align-content:start;place-items:stretch stretch}.admin-branding-assets>div>strong,.teacher-brand-asset>strong{text-align:center}.teacher-dashboard{gap:var(--space-6);display:grid}.teacher-dashboard .teacher-dashboard-intro{padding:clamp(var(--space-5), 3vw, var(--space-7));border:1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));border-inline-start:4px solid var(--color-accent);border-radius:var(--radius-lg);background:color-mix(in srgb, var(--color-accent) 5%, var(--color-surface));margin-bottom:0}.teacher-dashboard-intro h1{margin:var(--space-2) 0 var(--space-2);font-size:clamp(1.65rem,3vw,2.3rem)}.teacher-kpi-strip{gap:var(--space-3);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.teacher-kpi{min-width:0;padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);position:relative;overflow:hidden}.teacher-kpi:after{content:"";background:var(--color-accent);opacity:.8;height:3px;position:absolute;inset-block-end:0;inset-inline:0}.teacher-kpi__icon{border-radius:var(--radius-sm);background:var(--color-accent-surface);width:2.15rem;height:2.15rem;color:var(--color-accent);margin-bottom:var(--space-3);place-items:center;display:grid}.teacher-kpi p,.teacher-kpi small{color:var(--color-muted-foreground);margin:0}.teacher-kpi p{font-size:var(--text-sm)}.teacher-kpi strong{overflow-wrap:anywhere;margin-block:.25rem;font-size:clamp(1.35rem,2vw,1.85rem);display:block}.teacher-kpi small{font-size:var(--text-xs)}.teacher-dashboard-grid{gap:var(--space-5);grid-template-columns:minmax(0,1.45fr) minmax(18rem,.72fr);align-items:stretch;display:grid}.teacher-dashboard-grid>.ui-panel{height:100%}.teacher-dashboard-chart{align-items:end;gap:clamp(.35rem, 1.5vw, var(--space-3));min-height:13rem;padding-block:var(--space-3);grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.teacher-dashboard-chart__day{grid-template-rows:9rem auto auto;place-items:end center;gap:.25rem;min-width:0;display:grid}.teacher-dashboard-chart__track{border-radius:var(--radius-sm);background:var(--color-surface-subtle);align-items:end;width:min(100%,2.2rem);height:9rem;display:flex;overflow:hidden}.teacher-dashboard-chart__track span{width:100%;height:var(--bar-height);border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:var(--color-accent);transform-origin:bottom;min-height:3px;animation:teacher-bar-rise .48s calc(.12s + var(--bar-delay)) var(--ease-standard) both}.teacher-dashboard-chart__day strong{font-size:var(--text-xs)}.teacher-dashboard-chart__day small{color:var(--color-muted-foreground);white-space:nowrap;font-size:.68rem}.teacher-dashboard-summary{gap:var(--space-2);padding-top:var(--space-4);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.teacher-dashboard-summary span{border-radius:var(--radius-sm);background:var(--color-accent-surface);color:var(--color-muted-foreground);font-size:var(--text-xs);padding:.55rem .7rem}.teacher-dashboard-summary b{color:var(--color-accent)}.teacher-dashboard-shortcuts{gap:var(--space-2);display:grid}.teacher-dashboard-shortcuts a{gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-foreground);transition:border-color .16s var(--ease-standard), background-color .16s var(--ease-standard);grid-template-columns:auto minmax(0,1fr);align-items:center;text-decoration:none;display:grid}.teacher-dashboard-shortcuts a:hover{border-color:color-mix(in srgb, var(--color-accent) 35%, var(--color-border));background:var(--color-accent-surface)}.teacher-dashboard-shortcuts a>svg{color:var(--color-accent)}.teacher-dashboard-shortcuts span{gap:.15rem;min-width:0;display:grid}.teacher-dashboard-shortcuts small{color:var(--color-muted-foreground)}.teacher-dashboard-motion{animation:teacher-dashboard-enter .38s var(--ease-standard) both}.teacher-dashboard-motion--delay-1{animation-delay:55ms}.teacher-dashboard-motion--delay-2{animation-delay:.105s}.teacher-dashboard-motion--delay-3{animation-delay:.155s}.teacher-dashboard-motion--delay-4{animation-delay:.205s}@keyframes teacher-dashboard-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes teacher-bar-rise{0%{opacity:.45;transform:scaleY(0)}to{opacity:1;transform:scaleY(1)}}.teacher-activity-filters{gap:var(--space-4);margin-bottom:var(--space-5);grid-template-columns:minmax(0,1.6fr) minmax(11rem,.6fr);display:grid}.teacher-activity-list{display:grid}.teacher-activity-row{gap:var(--space-3);padding-block:var(--space-4);border-bottom:1px solid var(--color-border);grid-template-columns:auto minmax(0,1fr);display:grid;position:relative}.teacher-activity-row:last-child{border-bottom:0}.teacher-activity-row__marker{border:2px solid var(--color-accent);border-radius:var(--radius-pill);background:var(--color-surface);width:.7rem;height:.7rem;margin-top:.35rem}.teacher-activity-row__heading{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.teacher-activity-row p,.teacher-activity-row small{color:var(--color-muted-foreground);overflow-wrap:anywhere;margin:.2rem 0 0}.teacher-activity-row p{font-size:var(--text-sm)}@media (max-width:76rem){.teacher-kpi-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-dashboard-grid{grid-template-columns:1fr}}@media (max-width:64rem){.teacher-lesson-create-form{grid-template-columns:minmax(0,1fr) minmax(6rem,.4fr) auto}}@media (max-width:50rem){.teacher-lesson-create-form,.teacher-activity-filters{grid-template-columns:1fr}}@media (max-width:38rem){.teacher-kpi-strip{grid-template-columns:1fr}.teacher-dashboard-chart{gap:.2rem}.teacher-dashboard-chart__track{width:1.35rem}.student-auth-tabs{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.teacher-dashboard-motion,.teacher-dashboard-chart__track span{animation:none!important}}.ui-recaptcha--disabled{align-items:flex-start;gap:var(--space-2);width:100%;padding:var(--space-3);border:1px solid var(--color-warning-border,var(--color-border));border-radius:var(--radius);background:var(--color-warning-surface);color:var(--color-foreground);display:flex;overflow:visible}.ui-recaptcha--disabled>span{gap:.15rem;min-width:0;display:grid}.ui-recaptcha--disabled strong{font-size:var(--text-sm)}.ui-recaptcha--disabled small{color:var(--color-muted-foreground);line-height:1.55}.student-register-cta{white-space:nowrap;text-decoration:none}.student-academy-nav__register{display:none!important}@media (max-width:820px){.student-register-cta{display:none}.student-academy-nav__register{display:flex!important}}.teacher-student-access-grid{gap:var(--space-5);grid-template-columns:minmax(0,1.35fr) minmax(18rem,.65fr);display:grid}.teacher-access-links{gap:var(--space-3);margin-top:var(--space-4);display:grid}.teacher-access-links>div{align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);grid-template-columns:minmax(8rem,.35fr) minmax(0,1fr) auto;display:grid}.teacher-access-links code{text-overflow:ellipsis;white-space:nowrap;text-align:left;direction:ltr;min-width:0;overflow:hidden}.teacher-access-links span{gap:var(--space-2);flex-wrap:wrap;display:flex}.teacher-access-links__featured{border-color:var(--color-accent)!important;background:var(--color-accent-surface)!important}@media (max-width:960px){.teacher-student-access-grid,.teacher-access-links>div{grid-template-columns:1fr}}.admin-plan-stats{margin-bottom:var(--space-5)}.admin-plans-layout{gap:var(--space-5);margin-bottom:var(--space-5);grid-template-columns:minmax(15rem,.38fr) minmax(0,1fr);align-items:start;display:grid}.admin-plan-list{gap:var(--space-2);display:grid}.admin-plan-list>button{appearance:none;justify-content:space-between;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-foreground);font:inherit;text-align:start;cursor:pointer;display:flex}.admin-plan-list>button:hover,.admin-plan-list>button.is-selected{border-color:var(--color-accent);background:var(--color-accent-surface)}.admin-plan-list>button>span{gap:.25rem;display:grid}.admin-plan-list>button>span:last-child{justify-items:end}.admin-plan-list small,.admin-plan-list b{color:var(--color-muted-foreground);font-size:var(--text-xs)}.admin-plan-form{gap:var(--space-5);display:grid}.admin-plan-form__grid{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.admin-plan-key{align-content:start;gap:.35rem;padding-block:.2rem;display:grid}.admin-plan-key span,.admin-plan-key small{color:var(--color-muted-foreground);font-size:var(--text-xs)}.admin-plan-key code{overflow-wrap:anywhere;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-subtle);width:fit-content;max-width:100%;padding:.35rem .55rem}.admin-entitlements{gap:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--color-border);display:grid}.admin-entitlements__heading h3{font-size:var(--text-lg);margin:0}.admin-entitlements__heading p{color:var(--color-muted-foreground);font-size:var(--text-sm);margin:.35rem 0 0}.admin-entitlement-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.admin-entitlement-grid article{gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-subtle);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.admin-entitlement-grid article p{color:var(--color-muted-foreground);font-size:var(--text-xs);margin:.25rem 0;line-height:1.55}.admin-entitlement-grid article code{color:var(--color-muted-foreground);font-size:.68rem}.admin-limit-input{justify-items:end;gap:.25rem;min-width:7rem;display:grid}.admin-limit-input span{color:var(--color-muted-foreground);font-size:var(--text-xs)}.admin-limit-input input{text-align:center;width:7rem}.admin-plan-actions{justify-content:flex-end;display:flex}@media (max-width:1050px){.admin-plans-layout{grid-template-columns:1fr}.admin-plan-form__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.admin-plan-form__grid,.admin-entitlement-grid,.admin-entitlement-grid article{grid-template-columns:1fr}.admin-limit-input{justify-items:start}}.secure-live-director,.secure-live-student-layout-status{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);display:flex}.secure-live-director>div:first-child,.secure-live-student-layout-status{min-width:0}.secure-live-director>div:first-child,.secure-live-student-layout-status>span{align-items:center;gap:var(--space-2);display:flex}.secure-live-director>div:first-child>span,.secure-live-student-layout-status>span{display:grid}.secure-live-director small,.secure-live-student-layout-status small{color:var(--color-muted-foreground);font-size:var(--text-xs)}.secure-live-director__actions{gap:var(--space-2);flex-wrap:wrap;justify-content:flex-end;display:flex}.secure-live-director__actions .ui-button{min-height:38px}.secure-live-teaching{gap:var(--space-3);align-items:start;min-width:0;min-height:0;display:grid}.secure-live-teaching--video{grid-template-columns:minmax(0,1fr)}.secure-live-teaching--video .secure-live-board{display:none}.secure-live-teaching--board{grid-template-columns:minmax(0,1fr)}.secure-live-teaching--board .secure-live-room__stage{display:none}.secure-live-teaching--split{grid-template-columns:minmax(0,1.15fr) minmax(18rem,.85fr)}.secure-live-teaching--split .secure-live-room__stage,.secure-live-teaching--split .secure-live-board{height:min(58svh,42rem);min-height:24rem;max-height:none}.secure-live-room__stage--landscape{aspect-ratio:16/9}.secure-live-room__stage--portrait{aspect-ratio:9/16;justify-self:center;width:min(100%,28rem);max-height:68svh}.secure-live-teaching--split .secure-live-room__stage--portrait{width:min(100%,23rem)}.secure-live-room:fullscreen{background:var(--color-background);overflow:auto}.secure-live-room:fullscreen .secure-live-classroom{min-height:calc(100vh - 7rem)}.secure-live-room--student .secure-live-board svg{cursor:default}@media (max-width:1050px){.secure-live-teaching--split{grid-template-columns:1fr}.secure-live-teaching--split .secure-live-room__stage,.secure-live-teaching--split .secure-live-board{height:auto;min-height:0;max-height:none}.secure-live-teaching--split .secure-live-board{aspect-ratio:16/9}}@media (max-width:700px){.secure-live-director{flex-direction:column;align-items:stretch}.secure-live-director__actions{justify-content:stretch}.secure-live-director__actions .ui-button{flex:9rem}.secure-live-room__stage--portrait{width:min(78vw,22rem);max-height:58svh}.secure-live-teaching--split .secure-live-board{aspect-ratio:auto;min-height:18rem}}