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center;min-width:0;min-height:0;display:grid;overflow-y:auto}.student-app-page .lalla-home-chat.has-thread .lalla-home-stage{place-items:stretch stretch;overflow:hidden}.student-app-page .lalla-home-empty{align-content:start;gap:0;width:min(920px,100% - 80px);padding:clamp(40px,7vh,72px) 0 48px;display:grid}.student-app-page .lalla-home-empty-copy{text-align:center;justify-self:center;max-width:780px;animation:.36s ease-out 60ms both lalla-copy-enter}.student-app-page .lalla-home-empty-copy h1{color:var(--student-text);font-size:var(--text-display);font-weight:720;line-height:var(--leading-display);letter-spacing:-.055em;margin:0}.student-app-page .lalla-home-empty-copy>span{max-width:540px;color:var(--student-muted);font-size:var(--text-body);line-height:var(--leading-ui);margin-top:15px;margin-left:auto;margin-right:auto;display:block}.student-app-page .lalla-home-empty>.lalla-home-composer{background:0 0;border-top:0;grid-row:auto;justify-self:center;width:min(780px,100%);margin-top:30px;padding:0}.student-app-page .lalla-home-options{grid-template-columns:minmax(0,1.05fr) minmax(300px,.9fr);align-items:start;gap:clamp(42px,7vw,76px);margin-top:clamp(42px,6vh,64px);display:grid}.student-app-page .lalla-home-destinations{border-top:1px solid var(--student-line);grid-template-columns:repeat(2,minmax(0,1fr));max-width:560px;margin-top:20px;display:grid}.student-app-page .lalla-home-destinations button{border-bottom:1px solid var(--student-line);min-width:0;min-height:58px;color:var(--student-text);text-align:left;border-radius:0;justify-content:flex-start;gap:10px;padding:0 10px 0 3px}.student-app-page .lalla-home-destinations button:nth-child(odd){border-right:1px solid var(--student-line)}.student-app-page .lalla-home-destinations button:hover{color:var(--student-blue);background:#f8fafc;padding-left:7px;padding-right:6px}.student-app-page .lalla-home-destinations button>.icon:first-child{width:18px;min-width:18px;height:18px;color:var(--student-blue)}.student-app-page .lalla-home-destinations button>.icon:last-child{width:14px;min-width:14px;height:14px;color:var(--student-blue);margin-left:auto;transition:transform .15s}.student-app-page .lalla-home-destinations button:hover>.icon:last-child{transform:translate(3px)}.student-app-page .lalla-home-destinations button>span{gap:1px;min-width:0;display:grid}.student-app-page .lalla-home-destinations strong,.student-app-page .lalla-home-destinations small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.student-app-page .lalla-home-destinations strong{font-size:var(--text-label);line-height:var(--leading-ui)}.student-app-page .lalla-home-destinations small{color:var(--student-muted);font-size:var(--text-caption);font-weight:520;line-height:var(--leading-ui)}.student-app-page .lalla-home-suggestions{min-width:0}.student-app-page .lalla-home-suggestions>small{color:var(--student-muted);font-size:var(--text-caption);letter-spacing:.055em;text-transform:uppercase;margin-bottom:9px;font-weight:680;display:block}.student-app-page .lalla-home-prompts{border-top:1px solid var(--student-line);min-width:0;display:grid}.student-app-page .lalla-home-prompts button{border-bottom:1px solid var(--student-line);min-width:0;min-height:51px;color:var(--student-text);text-align:left;white-space:normal;opacity:0;animation:lalla-prompt-enter .26s calc(.15s + var(--prompt-index) * 45ms) ease-out forwards;border-radius:0;justify-content:space-between;gap:18px;padding:0 5px}.student-app-page .lalla-home-prompts button:hover{color:var(--student-blue);background:#f8fafc;padding-left:9px;padding-right:1px}.student-app-page .lalla-home-prompts button .icon{color:var(--student-blue);transition:transform .15s}.student-app-page .lalla-home-prompts button:hover .icon{transform:translate(3px)}.student-app-page .lalla-home-status,.student-app-page .lalla-home-error{place-self:center}.student-app-page .lalla-home-error{width:min(580px,100% - 40px)}.student-app-page .lalla-home-messages{scrollbar-width:thin;scroll-behavior:smooth;align-content:start;gap:26px;width:100%;min-height:0;padding:42px max(28px,50% - 440px) 32px;display:grid;overflow-y:auto}.student-app-page .lalla-home-messages .lalla-message{animation:.21s ease-out both lalla-message-enter}.student-app-page .lalla-home-messages .lalla-message.user{background:var(--student-navy);border-radius:13px 13px 3px;max-width:min(72%,650px);padding:12px 15px}.student-app-page .lalla-home-messages .lalla-message.assistant{width:min(90%,790px);max-width:none;color:var(--student-text);background:0 0;border-radius:0;gap:13px;padding:0}.student-app-page .lalla-home-messages .lalla-message.assistant>.icon,.student-app-page .lalla-home-messages .lalla-message.assistant>[data-slot=marker-icon]{background:var(--student-blue-soft);border:1px solid #dce6fa;border-radius:9px;width:30px;height:30px;padding:7px}.student-app-page .lalla-home-messages .lalla-message.pending[data-slot=marker]{width:min(90%,790px)}.student-app-page .lalla-home-messages .lalla-message.assistant>div{gap:10px;padding-top:4px}.student-app-page .lalla-home-messages .lalla-message.assistant.failed{background:#fff1ef;border-radius:10px;padding:14px}.student-app-page .lalla-home-composer{z-index:1;border-top:1px solid var(--student-line);background:#fafbfd;grid-row:3;gap:8px;padding:12px max(24px,50% - 450px) 14px;display:grid}.student-app-page .lalla-home-followups{scrollbar-width:none;gap:7px;min-width:0;padding-bottom:2px;display:flex;overflow-x:auto}.student-app-page .lalla-home-followups button{border-color:var(--student-line);min-height:32px;color:var(--student-muted);border-radius:999px}.student-app-page .lalla-home-followups .lalla-home-new-chat{color:var(--student-muted);border-color:#0000;margin-left:auto}.student-app-page .lalla-home-composer form{background:#fff;border:1px solid #ccd5e2;border-radius:11px;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;min-width:0;padding:7px 7px 7px 13px;transition:border-color .15s,box-shadow .15s;display:grid;box-shadow:0 2px 7px #111b2e0a}.student-app-page .lalla-home-composer form:focus-within{border-color:var(--student-blue);box-shadow:0 0 0 3px #3564c81f}.student-app-page .lalla-home-textarea{resize:none;min-height:48px;max-height:132px;box-shadow:none;color:var(--student-text);font-size:var(--text-body);line-height:var(--leading-ui);background:0 0;border:0;border-radius:0;padding:12px 0 8px;overflow-y:auto}.student-app-page .lalla-home-textarea:focus-visible{box-shadow:none;border-color:#0000;outline:none}.student-app-page .lalla-home-composer form>button{background:var(--student-blue);border-radius:9px;width:46px;height:46px;transition:transform .15s,background .15s}.student-app-page .lalla-home-composer form>button:hover:not(:disabled){background:#2957b8;transform:translate(2px)}.student-app-page .lalla-home-composer>p{color:var(--student-muted);font-size:var(--text-caption);text-align:center;margin:0}.student-app-page .lalla-home-composer>.drawer-request-error{color:#a2332a}@keyframes lalla-page-enter{0%{opacity:0}}@keyframes lalla-copy-enter{0%{opacity:0;transform:translateY(6px)}}@keyframes lalla-prompt-enter{0%{opacity:0;transform:translate(5px)}to{opacity:1}}@keyframes lalla-message-enter{0%{opacity:0;transform:translateY(5px)}}@media (width<=980px){.student-app-page .lalla-home-empty{width:min(720px,100% - 64px)}.student-app-page .lalla-home-options{gap:38px}.student-app-page .lalla-home-suggestions{max-width:620px}}@media (width<=760px){.drawer-prompts button,.drawer-head [data-slot=button]{min-height:var(--control-height-comfortable)}.student-app-page .workspace.lalla-workspace{height:calc(100svh - 63px)}.student-app-page .lalla-home-empty{width:calc(100% - 34px);padding:28px 0 36px}.student-app-page .lalla-home-empty-copy h1{font-size:var(--text-page-title)}.student-app-page .lalla-home-empty-copy>span{font-size:var(--text-label);margin-top:11px}.student-app-page .lalla-home-empty>.lalla-home-composer{margin-top:22px}.student-app-page .lalla-home-options{grid-template-columns:minmax(0,1fr);gap:28px;margin-top:34px}.student-app-page .lalla-home-destinations{margin-top:0}.student-app-page .lalla-home-destinations button{min-height:54px}.student-app-page .lalla-home-prompts button{min-height:47px}.student-app-page .lalla-home-messages{gap:22px;padding:26px 17px 22px}.student-app-page .lalla-home-messages .lalla-message.user{max-width:84%}.student-app-page .lalla-home-messages .lalla-message.assistant{width:96%}.student-app-page .lalla-home-composer{padding:10px 11px 12px}.student-app-page .lalla-home-composer>p{display:none}}@media (prefers-reduced-motion:reduce){.student-app-page .lalla-home-chat,.student-app-page .lalla-home-empty-copy,.student-app-page .lalla-home-destinations button,.student-app-page .lalla-home-prompts button,.student-app-page .lalla-home-messages .lalla-message{animation:none}.student-app-page .lalla-home-messages{scroll-behavior:auto}}:root[data-surface=teacher]{--tp-sidebar-width:16.5rem;--tp-sidebar-width-collapsed:5.25rem;--tp-heat-under-45:#f6a3a7;--tp-heat-45-59:#ffcdcf;--tp-heat-60-74:#ffe8a3;--tp-heat-75-84:#bde8de;--tp-heat-85-plus:#6fcfbd;--tp-heat-none:var(--ts-paper-100)}.tp-app{min-height:100vh;color:var(--ts-text-strong);font-family:var(--ts-font-ui);font-size:var(--text-label);line-height:var(--leading-ui);grid-template-columns:auto minmax(0,1fr);display:grid}.tp-app h1,.tp-app h2,.tp-app h3,.tp-app p,.tp-app dl,.tp-app dd,.tp-app ol,.tp-app ul{margin:0}.tp-app ol,.tp-app ul{padding:0;list-style:none}.tp-sidebar{width:var(--tp-sidebar-width);gap:var(--space-1);height:100vh;padding:1.375rem .875rem var(--space-4);border-right:1px solid var(--ts-border-soft);background:var(--ts-surface-card);transition:width .22s var(--ts-ease-out), padding .22s var(--ts-ease-out);flex-direction:column;display:flex;position:sticky;top:0;overflow-y:auto}.tp-sidebar>*{flex-shrink:0}.tp-sidebar-brand{justify-content:space-between;align-items:center;gap:var(--space-1);padding-bottom:.375rem;display:flex}.tp-sidebar-logo{border-radius:var(--ts-radius-sm);min-width:0;padding:.375rem .375rem .375rem .625rem;display:block}.tp-sidebar-logo:focus-visible{box-shadow:var(--ts-shadow-focus);outline:none}.tp-sidebar-logo .logo-mark{max-width:100%;display:block}.tp-sidebar-logo .logo-mark.wordmark{width:10.5rem}.tp-sidebar-badge{border-radius:var(--ts-radius-pill);background:var(--ts-paper-100);color:var(--ts-ink-600);font-size:var(--text-caption);letter-spacing:.06em;font-weight:800;line-height:var(--leading-tight);text-transform:uppercase;align-self:flex-start;margin:0 0 .875rem .625rem;padding:4px 9px}.tp-nav{gap:var(--space-1);display:grid}.tp-nav-item{min-height:var(--control-height-default);align-items:center;gap:var(--space-3);padding:0 var(--space-3);color:var(--ts-ink-700);border-radius:16px 20px 15px 19px/19px 15px 20px 16px;font-weight:700;text-decoration:none;transition:background-color .14s,color .14s;display:flex}.tp-nav-item svg{width:var(--icon-size-default);height:var(--icon-size-default);stroke-width:2.2px;flex:none}.tp-nav-item:hover:not(.is-disabled){background:var(--ts-paper-100);color:var(--ts-ink-900)}.tp-nav-item:active:not(.is-disabled){transform:scale(.97)}.tp-nav-item[aria-current=page]{background:var(--ts-flame-100);color:var(--ts-ink-900);border-radius:22px 26px 20px 24px/24px 20px 26px 22px}.tp-nav-item:focus-visible{box-shadow:var(--ts-shadow-focus);outline:none}.tp-nav-item.is-disabled{color:var(--ts-ink-400);cursor:not-allowed}.tp-nav-item small{border-radius:var(--ts-radius-pill);background:var(--ts-paper-100);letter-spacing:.04em;text-transform:uppercase;margin-left:auto;padding:1px 7px;font-weight:800}.tp-sidebar-classes{padding:var(--space-2);background:var(--ts-blue-100);border-radius:24px 28px 22px 26px/26px 22px 28px 24px;flex-direction:column;gap:2px;margin-top:.875rem;display:flex}.tp-sidebar-classes h2{padding:var(--space-2) .625rem .375rem;color:var(--ts-blue-700);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:700;line-height:var(--leading-tight);text-transform:uppercase}.tp-sidebar-classes ul{gap:2px;display:grid}.tp-sidebar-note{padding:0 .625rem var(--space-2);color:var(--ts-ink-600);font-size:var(--text-caption);line-height:var(--leading-ui)}.tp-sidebar-class{align-items:center;gap:var(--space-3);min-height:3.125rem;color:var(--ts-ink-900);transition:background-color .22s var(--ts-ease-out), box-shadow .22s var(--ts-ease-out);border-radius:22px 26px 20px 24px/24px 20px 26px 22px;padding:.375rem .625rem;text-decoration:none;display:flex}.tp-sidebar-class:hover{background:color-mix(in srgb, var(--ts-surface-card) 55%, transparent)}.tp-sidebar-class[aria-current=page]{background:var(--ts-surface-card);box-shadow:var(--ts-shadow-1)}.tp-sidebar-class:focus-visible{box-shadow:var(--ts-shadow-focus);outline:none}.tp-class-code{background:var(--ts-surface-card);width:1.875rem;height:1.875rem;color:var(--ts-blue-700);font-size:var(--text-caption);letter-spacing:-.02em;font-weight:800;line-height:var(--leading-tight);border-radius:58% 42% 55% 45%/45% 55%;flex:none;place-items:center;display:grid;overflow:hidden}.tp-sidebar-class[aria-current=page] .tp-class-code{background:var(--ts-blue-500);color:#fff}.tp-sidebar-class-copy{flex:1;gap:2px;min-width:0;display:grid}.tp-sidebar-class-copy strong,.tp-sidebar-class-copy small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.tp-sidebar-class-copy strong{font-weight:700;line-height:var(--leading-display)}.tp-sidebar-class-copy small{color:var(--ts-ink-600);font-weight:600;line-height:var(--leading-heading)}.tp-sidebar-class-copy .tp-sidebar-class-subjects{color:var(--ts-ink-700);font-weight:700}.tp-sidebar-class em{color:var(--ts-blue-700);font-variant-numeric:tabular-nums;flex:none;font-style:normal;font-weight:800}.tp-sidebar-account{padding:var(--space-4) .625rem var(--space-1);align-items:center;gap:.625rem;margin-top:auto;display:flex}.tp-sidebar-account>div{flex:1;min-width:0;display:grid}.tp-sidebar-account strong,.tp-sidebar-account small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.tp-sidebar-account strong{font-weight:700}.tp-sidebar-account small{color:var(--ts-ink-500)}.tp-sidebar-account .tp-avatar{border-radius:50% 46% 52% 48%}.tp-sidebar.is-collapsed{width:var(--tp-sidebar-width-collapsed);padding:var(--space-4) .625rem;align-items:center;gap:.375rem}.tp-sidebar.is-collapsed .tp-sidebar-badge,.tp-sidebar.is-collapsed .tp-nav-item>span,.tp-sidebar.is-collapsed .tp-nav-item>small,.tp-sidebar.is-collapsed .tp-sidebar-classes h2,.tp-sidebar.is-collapsed .tp-sidebar-note,.tp-sidebar.is-collapsed .tp-sidebar-class-copy,.tp-sidebar.is-collapsed .tp-sidebar-class em,.tp-sidebar.is-collapsed .tp-sidebar-account>div{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:0;padding:0;position:absolute;overflow:hidden}.tp-sidebar.is-collapsed .tp-sidebar-brand{padding-bottom:var(--space-2);flex-direction:column-reverse}.tp-sidebar.is-collapsed .tp-sidebar-logo{padding:.375rem 0}.tp-sidebar.is-collapsed .tp-sidebar-logo .logo-mark{width:2.125rem;height:2.125rem}.tp-sidebar.is-collapsed .tp-nav{justify-items:center;gap:.375rem}.tp-sidebar.is-collapsed .tp-nav-item{justify-content:center;width:3.25rem;height:3.25rem;padding:0}.tp-sidebar.is-collapsed .tp-sidebar-classes{width:4rem;margin:var(--space-3) 0;padding:var(--space-2) 0;border-radius:22px;align-items:center}.tp-sidebar.is-collapsed .tp-sidebar-classes.is-empty{display:none}.tp-sidebar.is-collapsed .tp-sidebar-classes ul{gap:.375rem}.tp-sidebar.is-collapsed .tp-sidebar-class{justify-content:center;width:3rem;height:3rem;min-height:0;padding:0}.tp-sidebar.is-collapsed .tp-class-code{width:2rem;height:2rem}.tp-sidebar.is-collapsed .tp-sidebar-account{padding:var(--space-3) 0 0;flex-direction:column}.tp-avatar{background:var(--ts-blue-100);width:2.5rem;height:2.5rem;color:var(--ts-blue-700);font-size:var(--text-label);font-weight:800;line-height:var(--leading-tight);border-radius:50%;flex:none;place-items:center;display:grid}.tp-avatar.is-small{width:2rem;height:2rem;font-size:var(--text-caption)}.tp-avatar.is-large{background:var(--ts-leaf-100);width:3.5rem;height:3.5rem;color:var(--ts-leaf-700);font-size:var(--text-section)}.tp-mobile-bar{gap:var(--space-3);padding:var(--space-3) var(--space-4);border:var(--ts-border-w) solid var(--ts-border-soft);border-radius:var(--ts-radius-lg);background:var(--ts-surface-card);box-shadow:var(--ts-shadow-1);display:none}.tp-mobile-bar-row{justify-content:space-between;align-items:center;display:flex}.tp-mobile-bar .logo-mark img{height:1.5rem}.tp-mobile-bar .tp-nav{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column}.tp-mobile-bar .tp-nav-item{padding:0 var(--space-2);justify-content:center}.tp-mobile-bar .tp-nav-item small{margin-left:0}.tp-main{min-width:0;padding:var(--space-6)}.tp-page{gap:var(--space-5);width:min(100%,76rem);animation:tp-rise .26s var(--ts-ease-out) both;margin:0 auto;display:grid}.tp-page-head{justify-content:space-between;align-items:flex-start;gap:var(--space-4);flex-wrap:wrap;display:flex}.tp-page-head h1{font-size:var(--text-page-title);line-height:var(--leading-display)}.tp-eyebrow{color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800;line-height:var(--leading-ui);text-transform:uppercase}.tp-page-sub{margin-top:var(--space-1);color:var(--ts-ink-500);font-weight:600}.tp-page-actions{align-items:flex-end;gap:var(--space-3);flex-wrap:wrap;display:flex}.tp-select{gap:2px;display:grid}.tp-select>span{color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:.04em;font-weight:800;line-height:var(--leading-ui);text-transform:uppercase}.tp-readonly{border-radius:var(--ts-radius-pill);background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-300);color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:.04em;font-weight:800;line-height:var(--leading-ui);text-transform:uppercase;padding:6px 12px}.tp-student-identity{align-items:center;gap:var(--space-4);display:flex}.tp-crumbs ol{align-items:center;gap:var(--space-1);color:var(--ts-ink-500);font-size:var(--text-caption);font-weight:700;line-height:var(--leading-ui);flex-wrap:wrap;display:flex}.tp-crumbs li{align-items:center;gap:var(--space-1);display:inline-flex}.tp-crumbs svg{width:var(--icon-size-small);height:var(--icon-size-small)}.tp-crumbs a{color:inherit;text-decoration:none}.tp-crumbs a:hover{color:var(--ts-flame-700);text-decoration:underline}.tp-crumbs [aria-current=page]{color:var(--ts-ink-900)}.tp-section-head,.tp-panel-head{justify-content:space-between;align-items:flex-start;gap:var(--space-2) var(--space-4);flex-wrap:wrap;display:flex}.tp-section-head{margin-bottom:var(--space-3)}.tp-section-head h2,.tp-panel-head h2{font-size:var(--text-subheading);font-weight:800;line-height:var(--leading-heading)}.tp-section-head>span,.tp-panel-head>span,.tp-panel-head p{color:var(--ts-ink-500);font-size:var(--text-caption);line-height:var(--leading-ui)}.tp-panel-head 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var(--student-line);background:var(--paper);justify-content:space-between;align-items:center;gap:16px;min-height:66px;padding:0 28px;display:flex}.subscription-standalone .subscription-topbar .logo-mark.wordmark{width:172px}.subscription-standalone .subscription-topbar>div{align-items:center;gap:8px;display:flex}.subscription-standalone .subscription-standalone-main{gap:24px;width:min(1080px,100%);margin:0 auto;padding:34px 28px 64px;display:grid}@keyframes subscription-enter{0%{opacity:0;transform:translateY(7px)}}@media (width<=960px){.student-app-page .subscription-plan-cards,.student-app-page .subscription-layout{grid-template-columns:1fr}.student-app-page .subscription-status{position:static}}@media (width<=760px){.student-app-page .subscription-plan>header,.student-app-page .subscription-plan>dl,.student-app-page .subscription-program-form{margin-inline:var(--panel-padding-mobile)}.student-app-page .subscription-checkout{padding:0 var(--panel-padding-mobile) var(--panel-padding-mobile)}.student-app-page .subscription-plans{padding:20px var(--panel-padding-mobile) var(--panel-padding-mobile)}.student-app-page .subscription-plan-cards{grid-template-columns:1fr}.student-app-page .subscription-detail-row{grid-template-columns:1fr;gap:4px}.student-app-page .subscription-order{padding:16px}.student-app-page .subscription-order-price{text-align:left}.student-app-page .subscription-checkout-actions>button{width:100%}.subscription-standalone .subscription-topbar{padding:0 18px}.subscription-standalone .subscription-topbar .logo-mark.wordmark{width:136px}.subscription-standalone .subscription-standalone-main{padding:24px 18px 48px}}@media (prefers-reduced-motion:reduce){.student-app-page .subscription-plan,.student-app-page .subscription-status,.student-app-page .subscription-message,.student-app-page .subscription-checkout{animation:none}.student-app-page 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.side-link.coming-soon-control:focus-visible{color:var(--ts-ink-700);background:0 0}:root[data-surface=student] .student-app-page .sidebar .sidebar-arc-group{--panel-tint:var(--ts-leaf-100);--panel-strong:var(--ts-leaf-200);--panel-solid:var(--ts-leaf-500);--panel-ink:var(--ts-leaf-700);background:var(--panel-tint);border-radius:24px 28px 22px 26px/26px 22px 28px 24px;gap:8px;width:auto;margin:14px 14px 0;padding:8px}:root[data-surface=student] .student-app-page .sidebar .sidebar-arc-group[data-tone=blue]{--panel-tint:var(--ts-blue-100);--panel-strong:var(--ts-blue-200);--panel-solid:var(--ts-blue-500);--panel-ink:var(--ts-blue-700)}:root[data-surface=student] .student-app-page .sidebar .sidebar-arc-group[data-tone=flame]{--panel-tint:var(--ts-flame-100);--panel-strong:var(--ts-flame-200);--panel-solid:var(--ts-flame-500);--panel-ink:var(--ts-flame-700)}:root[data-surface=student] .student-app-page .sidebar .sidebar-arc-group[data-tone=sun]{--panel-tint:var(--ts-sun-100);--panel-strong:var(--ts-sun-200);--panel-solid:var(--ts-sun-600);--panel-ink:var(--ts-sun-700)}:root[data-surface=student] .student-app-page .sidebar .sidebar-arc-group[data-tone=red]{--panel-tint:var(--ts-red-100);--panel-strong:var(--ts-red-200);--panel-solid:var(--ts-red-500);--panel-ink:var(--ts-red-700)}:root[data-surface=student] .student-app-page .studying-picker{background:var(--panel-strong);width:100%;color:var(--ts-ink-900);text-align:left;cursor:pointer;transition:filter .16s var(--ts-ease-out), transform .12s var(--ts-ease-spring);border:0;border-radius:20px 24px 18px 22px/22px 18px 24px 20px;align-items:center;gap:12px;padding:12px 12px 12px 10px;display:flex}:root[data-surface=student] .student-app-page .studying-picker:hover:not(:disabled){filter:brightness(.97)}:root[data-surface=student] .student-app-page .studying-picker:active:not(:disabled){transform:scale(.98)}:root[data-surface=student] .student-app-page .studying-picker:focus-visible{box-shadow:var(--ts-shadow-focus);outline:none}:root[data-surface=student] .student-app-page .studying-picker:disabled{cursor:default;opacity:.6}:root[data-surface=student] .student-app-page .studying-picker-icon{background:var(--panel-solid);width:36px;height:36px;color:var(--ts-paper-0);border-radius:46% 54% 52% 48%/55% 45%;flex:none;place-items:center;display:grid}:root[data-surface=student] .student-app-page .studying-picker-icon svg{width:18px;height:18px}:root[data-surface=student] .student-app-page .studying-picker-copy{flex-direction:column;flex:auto;gap:3px;min-width:0;display:flex}:root[data-surface=student] .student-app-page .studying-picker-copy small{color:var(--panel-ink);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800;line-height:var(--leading-tight);text-transform:uppercase}:root[data-surface=student] .student-app-page .studying-picker-copy 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.stage-improve{--stage-tint:var(--ts-blue-100);--stage-ink:var(--ts-blue-600);--stage-solid:var(--ts-blue-500)}:root[data-surface=student] .student-app-page .stage-ranking{--stage-tint:var(--ts-red-100);--stage-ink:var(--ts-red-600);--stage-solid:var(--ts-red-500)}:root[data-surface=student] .student-app-page .sidebar [data-sidebar=menu] .stage-link{color:var(--ts-ink-900);padding:0 10px}:root[data-surface=student] .student-app-page .sidebar .stage-link .icon{background:var(--stage-tint);width:28px;height:28px;color:var(--stage-ink);stroke-width:2.3px;transition:background-color .2s var(--ts-ease-out), color .2s var(--ts-ease-out);border-radius:50%;padding:6px}:root[data-surface=student] .student-app-page .sidebar [data-sidebar=menu] .stage-link:hover:not(:disabled){background:#ffffff8c}:root[data-surface=student] .student-app-page .sidebar [data-sidebar=menu] .stage-link.active{background:var(--ts-paper-0);box-shadow:var(--ts-shadow-1)}:root[data-surface=student] .student-app-page 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h2{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-page-title);font-weight:700;line-height:var(--leading-display);letter-spacing:var(--ts-tracking-display)}:root[data-surface=student] .learn-evidence-pill{border-radius:var(--ts-radius-pill);background:var(--ts-leaf-100);min-height:0;color:var(--ts-leaf-700);font-size:var(--text-caption);font-weight:800;line-height:var(--leading-tight);padding:8px 12px}:root[data-surface=student] .learn-evidence-pill.empty{background:var(--ts-paper-100);color:var(--ts-ink-600)}:root[data-surface=student] .learn-core-idea{background:linear-gradient(120deg, var(--ts-leaf-50), var(--ts-blue-50));border-left:0;border-radius:20px;margin:22px 30px 0;padding:22px 26px 18px}:root[data-surface=student] .learn-core-idea .eyebrow{color:var(--ts-leaf-700);margin:0 0 10px}:root[data-surface=student] .learn-core-idea>p:not(.eyebrow){color:var(--ts-ink-900);font-size:var(--text-subheading);font-weight:500;line-height:var(--leading-prose)}:root[data-surface=student] .learn-core-idea>small{color:var(--ts-ink-500);margin-top:14px;font-weight:600}:root[data-surface=student] .learn-recall-section{padding:26px 30px 28px}:root[data-surface=student] .learn-section-heading{align-items:flex-end;margin-bottom:14px}:root[data-surface=student] .learn-section-heading h3{color:var(--ts-ink-900);letter-spacing:-.01em;font-weight:700}:root[data-surface=student] .learn-section-heading>span{color:var(--ts-ink-500);font-weight:600}:root[data-surface=student] .learn-recall-list{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));align-items:start;gap:14px}:root[data-surface=student] .learn-recall-list>article{background:var(--ts-surface-card);min-height:168px;box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-300), 0 3px 0 var(--ts-paper-300);transition:box-shadow .18s ease, transform .22s var(--ts-ease-spring);border:0;border-radius:20px;grid-template-columns:minmax(0,1fr);gap:14px;padding:18px}:root[data-surface=student] .learn-recall-list>article:hover{box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-flame-300), 0 3px 0 var(--ts-flame-300)}:root[data-surface=student] .learn-recall-list>article.revealed{background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-leaf-300), 0 3px 0 var(--ts-leaf-300)}:root[data-surface=student] .learn-recall-prompt{grid-template-columns:minmax(0,1fr);gap:8px}:root[data-surface=student] .learn-recall-prompt>span{color:var(--ts-flame-700);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800}:root[data-surface=student] .learn-recall-prompt>span:before{content:"Card "}:root[data-surface=student] .learn-recall-prompt p{color:var(--ts-ink-900);font-size:var(--text-body);font-weight:700;line-height:var(--leading-ui)}:root[data-surface=student] .learn-recall-list [data-slot=button]{width:auto;min-height:var(--control-height-default);color:var(--ts-ink-900);justify-self:start;margin:0;padding:0 14px}:root[data-surface=student] .learn-recall-answer{border-radius:var(--ts-radius-md);background:var(--ts-ink-900);border-top:0;grid-column:1;padding:14px 16px}:root[data-surface=student] .learn-recall-answer p{color:#fff;font-weight:600}:root[data-surface=student] .learn-recall-answer small{color:var(--ts-ink-200)}:root[data-surface=student] .learn-inline-empty{border:var(--ts-border-w) dashed var(--ts-paper-300);border-radius:var(--ts-radius-md);background:var(--ts-paper-50);min-height:0;color:var(--ts-ink-500);padding:16px 18px;font-weight:600}:root[data-surface=student] .learn-goal-actions{border-top:var(--ts-border-w) solid var(--ts-paper-200);background:0 0;margin:0 30px;padding:16px 0 24px}:root[data-surface=student] .learn-goal-actions [data-slot=button]{min-height:var(--control-height-comfortable);padding:0 18px}:root[data-surface=student] .learn-goal-selector>span{color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800}:root[data-surface=student] .learn-material-view{box-shadow:none;background:0 0;border:0;border-radius:0;overflow:visible}:root[data-surface=student] .learn-material-view>header{align-items:flex-end;padding:4px 4px 16px}:root[data-surface=student] .learn-material-view>header .eyebrow{color:var(--ts-ink-500);margin:0 0 6px}:root[data-surface=student] .learn-material-view>header h2{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-page-title);font-weight:700;line-height:var(--leading-display);letter-spacing:var(--ts-tracking-display)}:root[data-surface=student] .learn-material-view>header>div>p:last-child{color:var(--ts-ink-500);margin:6px 0 0;font-weight:600}:root[data-surface=student] .learn-material-view>header>span{border-radius:var(--ts-radius-pill);background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-300);color:var(--ts-ink-800);padding:8px 14px;font-weight:700}:root[data-surface=student] .learn-material-view>header .icon{color:var(--ts-flame-600)}:root[data-surface=student] .learn-material-view .learn-summary-content{border-top:0;gap:18px;padding:0;display:grid}:root[data-surface=student] .learn-material-view>.data-state{margin:0}:root[data-surface=student] .learn-summary-content article{border:var(--ts-border-w) solid var(--ts-border-soft);border-radius:var(--ts-radius-lg);background:var(--ts-surface-card);max-width:none;box-shadow:var(--ts-shadow-1);color:var(--ts-ink-800);margin:0;padding:28px 32px}:root[data-surface=student] .learn-summary-content article+article{border-top:var(--ts-border-w) solid var(--ts-border-soft);margin-top:0}:root[data-surface=student] .learn-summary-content h2{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-card-title);font-weight:700;line-height:var(--leading-display);letter-spacing:var(--ts-tracking-display);margin:0 0 14px}:root[data-surface=student] .learn-summary-content article>h2:not(:first-child){font-size:var(--text-section);margin:28px 0 10px}:root[data-surface=student] .learn-summary-content article>h2:first-child:not(:last-child){border-bottom:var(--ts-border-w) solid var(--ts-paper-200);margin-bottom:18px;padding-bottom:16px}:root[data-surface=student] .learn-summary-content h3{color:var(--ts-ink-900);font-size:var(--text-subheading);letter-spacing:-.01em;margin:22px 0 10px;font-weight:800}:root[data-surface=student] .learn-summary-content p,:root[data-surface=student] .learn-summary-content li{max-width:70ch;color:var(--ts-ink-800);font-weight:500}:root[data-surface=student] .learn-summary-content p{margin:0 0 12px}:root[data-surface=student] .learn-summary-content ul,:root[data-surface=student] .learn-summary-content ol{margin:0 0 14px;padding-left:1.3em}:root[data-surface=student] .learn-summary-content li+li{margin-top:6px}:root[data-surface=student] .learn-summary-content li::marker{color:var(--ts-leaf-600);font-weight:800}:root[data-surface=student] .learn-summary-content strong{background:linear-gradient(transparent 58%, var(--ts-leaf-200) 58%);color:var(--ts-ink-900);border-radius:2px;padding:0 2px;font-weight:700}:root[data-surface=student] .learn-summary-content code{background:var(--ts-paper-100);color:var(--ts-ink-900);border-radius:6px;padding:1px 6px}:root[data-surface=student] .learn-summary-content table{border:var(--ts-border-w) solid var(--ts-paper-300);border-collapse:separate;border-spacing:0;border-radius:var(--ts-radius-md);margin:16px 0;overflow:hidden}:root[data-surface=student] .learn-summary-content th,:root[data-surface=student] .learn-summary-content td{border:0;border-top:1px solid var(--ts-paper-200);color:var(--ts-ink-800);font-size:var(--text-label);text-align:left;padding:10px 14px}:root[data-surface=student] .learn-summary-content th{background:var(--ts-paper-100);color:var(--ts-ink-900);border-top:0;font-weight:800}:root[data-surface=student] .learn-summary-content th+th,:root[data-surface=student] .learn-summary-content td+td{border-left:1px solid var(--ts-paper-200)}:root[data-surface=student] .learn-summary-content article>small{border-radius:var(--ts-radius-pill);background:var(--ts-paper-100);color:var(--ts-ink-600);margin-top:14px;padding:5px 10px;font-weight:700;display:inline-flex}:root[data-surface=student] .map-panel{border-radius:var(--ts-radius-lg)}:root[data-surface=student] .map-intro{align-items:flex-end}:root[data-surface=student] .map-intro>div:first-child{gap:6px}:root[data-surface=student] .map-intro 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.concept-map-viewport{border:var(--ts-border-w) solid var(--ts-paper-300);background-color:var(--ts-paper-50);background-image:radial-gradient(circle at 1px 1px, var(--ts-paper-300) 1.2px, transparent 1.6px);box-shadow:var(--ts-shadow-inset);background-size:22px 22px;border-radius:20px;margin-top:14px}:root[data-surface=student] .concept-map-viewport:focus-visible{outline:3px solid var(--ts-focus-ring);outline-offset:3px}:root[data-surface=student] .concept-map>svg path{stroke:var(--ts-ink-300);stroke-width:2px}:root[data-surface=student] .concept-map>svg .map-arrowhead{fill:var(--ts-ink-300);stroke:none}:root[data-surface=student] .map-node-select{border-radius:var(--ts-radius-md);background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-300), var(--ts-shadow-1);color:var(--ts-ink-900);transition:box-shadow .16s ease, background-color .16s ease, transform .22s var(--ts-ease-spring);border:0;gap:5px}:root[data-surface=student] .map-node-select 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.map-node-select span{color:var(--ts-ink-200)}:root[data-surface=student] .map-node.core .map-node-select:hover,:root[data-surface=student] .map-node.core.active .map-node-select{background:var(--ts-ink-800)}:root[data-surface=student] .map-node.core.active .map-node-select{box-shadow:0 0 0 2px var(--ts-surface-card), 0 0 0 4.5px var(--ts-flame-500), var(--ts-shadow-2)}:root[data-surface=student] .map-node-toggle{background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-400), var(--ts-shadow-1);color:var(--ts-ink-800);border:0}:root[data-surface=student] .map-node-toggle:hover{background:var(--ts-flame-50);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-flame-300), var(--ts-shadow-1);color:var(--ts-flame-700);border:0}:root[data-surface=student] .map-node-select:focus-visible,:root[data-surface=student] .map-node-toggle:focus-visible{outline:3px solid var(--ts-focus-ring);outline-offset:3px}:root[data-surface=student] .map-navigation-hint{color:var(--ts-ink-500);font-weight:600}:root[data-surface=student] .selected-node{border:var(--ts-border-w) solid var(--ts-paper-200);background:var(--ts-paper-50);min-height:0;color:var(--ts-ink-500);border-radius:20px;margin:14px 0 0;padding:16px 20px}:root[data-surface=student] .selected-node>span{color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800}:root[data-surface=student] .selected-node>strong{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-subheading);font-weight:700;line-height:var(--leading-display);letter-spacing:var(--ts-tracking-display)}:root[data-surface=student] .selected-node-detail{border-left-color:var(--ts-paper-300)}:root[data-surface=student] .selected-node p{color:var(--ts-ink-700);font-weight:500}:root[data-surface=student] .map-relationship{color:var(--ts-flame-700);font-weight:800}:root[data-surface=student] .flashcard-workspace{gap:16px}:root[data-surface=student] .flashcard-view-toolbar{color:var(--ts-ink-600);font-weight:700}:root[data-surface=student] .flashcard-view-toolbar>span{border-radius:var(--ts-radius-pill);background:var(--ts-surface-card);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-paper-300);color:var(--ts-ink-800);padding:7px 13px}:root[data-surface=student] .flashcard-view-toolbar label{white-space:nowrap;color:var(--ts-ink-600);font-weight:700}:root[data-surface=student] .flashcard-panel{gap:20px}:root[data-surface=student] .flashcard-progress .test-topline strong{color:var(--ts-ink-900);font-size:var(--text-label);font-weight:800}:root[data-surface=student] .flashcard-progress .test-topline small{color:var(--ts-ink-500);font-weight:600}:root[data-surface=student] .flashcard-progress .progress-track{border-radius:var(--ts-radius-pill);background:var(--ts-paper-200);height:8px}:root[data-surface=student] .flashcard-progress .progress-track 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.flashcard:hover:after{transform:rotate(-3.5deg)translateY(9px)scale(.97)}:root[data-surface=student] .flashcard:focus-visible{outline:3px solid var(--ts-focus-ring);outline-offset:6px;box-shadow:none}:root[data-surface=student] .flashcard-inner{min-height:320px;transition:transform .64s var(--ts-ease-spring)}:root[data-surface=student] .flashcard-face{box-shadow:var(--ts-shadow-2), inset 0 0 0 var(--ts-border-w) #0b1f3a0f;border:0;border-radius:28px 34px 26px 32px/32px 26px 34px 28px;grid-template-rows:none;align-content:center;place-items:center;gap:14px;padding:58px 32px 54px;position:relative}:root[data-surface=student] .flashcard-front{background:var(--ts-wash-hero), var(--ts-paper-50);color:var(--ts-ink-900)}:root[data-surface=student] .flashcard-back{background:var(--ts-surface-card);color:var(--ts-ink-900)}:root[data-surface=student] .flashcard-face>span{color:var(--ts-ink-700);font-family:var(--ts-font-ui);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800;position:absolute;top:26px;left:28px}:root[data-surface=student] .flashcard-back>span{color:var(--ts-leaf-700)}:root[data-surface=student] .flashcard-front>strong{max-width:30ch;color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-page-title);font-weight:700;line-height:var(--leading-display);letter-spacing:var(--ts-tracking-display);text-wrap:balance;align-self:center}:root[data-surface=student] .flashcard-front>p{max-width:none;color:var(--ts-ink-700);font-size:var(--text-caption);font-weight:700;line-height:var(--leading-tight);justify-content:center;align-items:center;gap:6px;display:flex;position:absolute;bottom:24px;left:0;right:0}:root[data-surface=student] .flashcard-back>strong{max-width:44ch;color:var(--ts-ink-500);font-size:var(--text-label);font-weight:700;line-height:var(--leading-ui);letter-spacing:0}:root[data-surface=student] .flashcard-back>p{max-width:46ch;color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-section);font-weight:600;line-height:var(--leading-heading);letter-spacing:-.01em}:root[data-surface=student] .flashcard-controls{align-items:center}:root[data-surface=student] .flashcard-rating>span,:root[data-surface=student] .flashcard-rating-prompt{color:var(--ts-ink-500);font-weight:700}:root[data-surface=student] .flashcard-rating-prompt{margin:0}:root[data-surface=student] .flashcard-rating .rating-again[aria-pressed=true],:root[data-surface=student] .flashcard-rating .rating-again[data-variant]:hover:not(:disabled){background:var(--ts-red-50);box-shadow:inset 0 0 0 var(--ts-border-w) var(--ts-red-300), 0 3px 0 var(--ts-red-200);color:var(--ts-red-700)}:root[data-surface=student] 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.usage-period-heading>div{align-items:center;gap:10px;display:flex}:root[data-surface=student] .usage-period-icon{background:var(--ts-blue-100);width:32px;height:32px;color:var(--ts-blue-600);border-radius:12px;flex:none;place-items:center;display:grid}:root[data-surface=student] .usage-period+.usage-period .usage-period-icon{background:var(--ts-leaf-100);color:var(--ts-leaf-700)}:root[data-surface=student] .usage-period-icon .icon{stroke-width:2.2px;width:16px;height:16px}:root[data-surface=student] .usage-period-heading h3{color:var(--ts-ink-900);font-size:var(--text-body);letter-spacing:0;font-weight:700}:root[data-surface=student] .usage-period-heading p strong{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-card-title);letter-spacing:var(--ts-tracking-display);font-weight:700;line-height:var(--leading-tight)}:root[data-surface=student] .usage-period-heading p span{color:var(--ts-ink-500);font-size:var(--text-label);font-weight:600}:root[data-surface=student] .usage-meter{background:var(--ts-paper-200);height:8px;margin:12px 0 8px}:root[data-surface=student] .usage-meter>span{background:var(--ts-leaf-500)}:root[data-surface=student] .usage-period.exhausted .usage-meter>span{background:var(--ts-red-500)}:root[data-surface=student] .usage-period-meta{flex-wrap:wrap;align-items:baseline;gap:4px 16px}:root[data-surface=student] .usage-period-meta strong{color:var(--ts-ink-700);font-size:var(--text-label);font-weight:700}:root[data-surface=student] .usage-period.exhausted .usage-period-meta strong{color:var(--ts-red-700)}:root[data-surface=student] .usage-period-meta time,:root[data-surface=student] .usage-timezone-note,:root[data-surface=student] .usage-overage-note{color:var(--ts-ink-500);font-size:var(--text-label);font-weight:600}:root[data-surface=student] .usage-timezone-note{border-top:var(--ts-border-w) solid var(--ts-paper-200);font-size:var(--text-caption);padding-top:14px}:root[data-surface=student] .usage-inspector{border-top:0;gap:18px}:root[data-surface=student] .usage-inspector>section.usage-availability{border:var(--ts-border-w) solid var(--ts-leaf-200);background:var(--ts-leaf-50);box-shadow:none;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:22px}:root[data-surface=student] .usage-inspector>section.usage-availability.exhausted{border-color:var(--ts-sun-300);background:var(--ts-sun-100)}:root[data-surface=student] .usage-availability-icon{background:var(--ts-leaf-100);width:42px;height:42px;color:var(--ts-leaf-700);border-radius:50%}:root[data-surface=student] .usage-availability.exhausted .usage-availability-icon{background:var(--ts-sun-200);color:var(--ts-sun-700)}:root[data-surface=student] .usage-availability-icon .icon{stroke-width:2.4px;width:20px;height:20px}:root[data-surface=student] .usage-availability .eyebrow{color:var(--ts-leaf-700);font-size:var(--text-caption);text-transform:uppercase}:root[data-surface=student] .usage-availability.exhausted .eyebrow{color:var(--ts-sun-700)}:root[data-surface=student] .usage-availability h2{color:var(--ts-ink-900);font-size:var(--text-subheading);letter-spacing:-.01em;margin-top:4px;font-weight:700}:root[data-surface=student] .usage-availability>div>p:last-child{color:var(--ts-ink-600);font-size:var(--text-label);margin-top:8px;font-weight:500}:root[data-surface=student] .settings-workspace{gap:18px}:root[data-surface=student] .settings-layout{grid-template-columns:minmax(0,1fr) 310px;gap:18px}:root[data-surface=student] .settings-directory{background:0 0;border:0;border-radius:0;gap:18px;display:grid;overflow:visible}:root[data-surface=student] .settings-profile{border-bottom:0;gap:18px;padding:4px 0 6px}:root[data-surface=student] .settings-avatar{background:var(--ts-leaf-200);width:64px;height:64px;color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-page-title);border-radius:22px;font-weight:700}:root[data-surface=student] .settings-profile .eyebrow{font-size:var(--text-caption);text-transform:uppercase}:root[data-surface=student] .settings-profile h2{color:var(--ts-ink-900);font-family:var(--ts-font-display);font-size:var(--text-page-title);letter-spacing:var(--ts-tracking-display);font-weight:700;line-height:var(--leading-display);margin-top:2px}:root[data-surface=student] .settings-profile>div:nth-child(2)>p:last-child{color:var(--ts-ink-700);font-weight:600}:root[data-surface=student] .settings-role{border-radius:var(--ts-radius-pill);background:var(--ts-paper-200);height:26px;color:var(--ts-ink-700);font-size:var(--text-caption);border:0;align-self:center;align-items:center;padding:0 12px;font-weight:700;display:inline-flex}:root[data-surface=student] .settings-section{padding:24px}:root[data-surface=student] .settings-section+.settings-section{border-top:var(--ts-border-w) solid var(--ts-border-soft)}:root[data-surface=student] .settings-section>header{align-items:center;margin-bottom:14px}:root[data-surface=student] .settings-section>header>span{background:var(--ts-flame-100);color:var(--ts-flame-600);border-radius:12px}:root[data-surface=student] .settings-section h2,:root[data-surface=student] .settings-security h2{color:var(--ts-ink-900);font-size:var(--text-subheading);letter-spacing:-.01em;font-weight:700}:root[data-surface=student] .settings-section header p{color:var(--ts-ink-500);font-size:var(--text-label);margin-top:2px;font-weight:600}:root[data-surface=student] .settings-section dl{border-top:0}:root[data-surface=student] .settings-detail-row{border-bottom:0;border-top:var(--ts-border-w) solid var(--ts-paper-200);align-items:center;padding:14px 4px}:root[data-surface=student] .settings-detail-row:last-child{padding-bottom:4px}:root[data-surface=student] .settings-detail-row dt{color:var(--ts-ink-500);font-size:var(--text-label);font-weight:600}:root[data-surface=student] .settings-detail-row dd{color:var(--ts-ink-900);align-items:center;font-weight:700}:root[data-surface=student] .settings-detail-row dd small{border-radius:var(--ts-radius-pill);background:var(--ts-leaf-100);height:24px;color:var(--ts-leaf-700);font-size:var(--text-caption);padding:0 10px;font-weight:700}:root[data-surface=student] .settings-security{gap:10px;padding:22px}:root[data-surface=student] .settings-security .eyebrow{font-size:var(--text-caption);text-transform:uppercase}:root[data-surface=student] .settings-security-icon{background:var(--ts-leaf-100);color:var(--ts-leaf-700);border-radius:50%}:root[data-surface=student] .settings-security>p:not(.eyebrow){color:var(--ts-ink-600);font-size:var(--text-label);font-weight:500}:root[data-surface=student] .settings-security-fact{border:var(--ts-border-w) solid var(--ts-paper-200);border-radius:var(--ts-radius-md);background:var(--ts-paper-50);margin-top:6px;padding:12px 14px}:root[data-surface=student] .settings-security-fact>svg:last-child{color:var(--ts-leaf-600)}:root[data-surface=student] .settings-security-fact strong{color:var(--ts-ink-900);font-weight:700}:root[data-surface=student] .settings-security-fact small,:root[data-surface=student] .settings-security-note{color:var(--ts-ink-500);font-size:var(--text-caption);font-weight:600}:root[data-surface=student] .settings-security-action{margin-top:6px}:root[data-surface=student] .subscription-workspace,:root[data-surface=student] .subscription-layout{gap:18px}:root[data-surface=student] .subscription-message{border:var(--ts-border-w) solid var(--ts-leaf-200);border-radius:var(--ts-radius-md);background:var(--ts-leaf-50);color:var(--ts-leaf-800);font-weight:600}:root[data-surface=student] .subscription-message.error{border-color:var(--ts-red-200);background:var(--ts-red-50);color:var(--ts-red-700)}:root[data-surface=student] .subscription-message.neutral{border-color:var(--ts-paper-300);background:var(--ts-surface-card);color:var(--ts-ink-800)}:root[data-surface=student] .subscription-message.progress{border-color:var(--ts-blue-200);background:var(--ts-blue-50);color:var(--ts-blue-700)}:root[data-surface=student] .subscription-section-heading{align-items:center}:root[data-surface=student] .subscription-section-heading>span{background:var(--ts-flame-100);color:var(--ts-flame-600);border-radius:12px}:root[data-surface=student] .subscription-workspace h2{color:var(--ts-ink-900);font-size:var(--text-subheading);letter-spacing:-.01em;font-weight:700}:root[data-surface=student] .subscription-section-heading p{color:var(--ts-ink-500);font-size:var(--text-label);margin-top:2px;font-weight:600}:root[data-surface=student] .subscription-workspace dl{border-top:var(--ts-border-w) solid var(--ts-paper-200)}:root[data-surface=student] .subscription-detail-row{border-bottom:var(--ts-border-w) solid var(--ts-paper-200);align-items:center;padding:14px 4px}:root[data-surface=student] .subscription-detail-row dt{color:var(--ts-ink-500);font-size:var(--text-label);font-weight:600}:root[data-surface=student] .subscription-detail-row dd{color:var(--ts-ink-900);font-weight:700}:root[data-surface=student] .subscription-program-form{border-top:var(--ts-border-w) solid var(--ts-paper-200)}:root[data-surface=student] .subscription-program-form label{color:var(--ts-ink-900);font-weight:700}:root[data-surface=student] .subscription-program-form small{color:var(--ts-ink-500);font-weight:500}:root[data-surface=student] .subscription-plans{border-top:var(--ts-border-w) solid var(--ts-paper-200)}:root[data-surface=student] .subscription-plans h3{color:var(--ts-ink-500);font-size:var(--text-caption);letter-spacing:var(--ts-tracking-caps);font-weight:800}:root[data-surface=student] .subscription-plan-cards{gap:12px}:root[data-surface=student] .subscription-plan-card{border:var(--ts-border-w) solid var(--ts-paper-300);background:var(--ts-surface-card);transition:transform .22s var(--ts-ease-spring), box-shadow .18s var(--ts-ease-out);border-radius:20px;gap:8px;padding:18px}:root[data-surface=student] .subscription-plan-card:hover{box-shadow:var(--ts-shadow-2);transform:translateY(-2px)}:root[data-surface=student] .subscription-plan-card.current{border-color:var(--ts-flame-400);background:var(--ts-flame-50);box-shadow:inset 0 0 0 1px var(--ts-flame-400)}:root[data-surface=student] .subscription-plan-card.pending{border-style:dashed;border-color:var(--ts-flame-300)}:root[data-surface=student] .subscription-plan-card header strong{color:var(--ts-ink-900);font-weight:700}:root[data-surface=student] .subscription-plan-badge{border-radius:var(--ts-radius-pill);background:var(--ts-flame-100);height:24px;color:var(--ts-flame-700);align-items:center;padding:0 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.subscription-status>p:not(.eyebrow){color:var(--ts-ink-600);font-size:var(--text-label);font-weight:500}:root[data-surface=student] .subscription-status-note{color:var(--ts-ink-500);font-size:var(--text-caption);font-weight:600}:root[data-surface=student] .account-security-dialog{border-radius:var(--ts-radius-lg);box-shadow:var(--ts-shadow-3);border:0;gap:18px;padding:24px}:root[data-surface=student] .account-security-dialog>header{align-items:center}:root[data-surface=student] .account-security-dialog>header>span{background:var(--ts-leaf-100);color:var(--ts-leaf-700);border-radius:50%}:root[data-surface=student] .account-security-dialog h2{color:var(--ts-ink-900);font-family:var(--ts-font-ui);font-size:var(--text-section);letter-spacing:-.01em;font-weight:700}:root[data-surface=student] .account-security-dialog header p{color:var(--ts-ink-500);font-size:var(--text-label);font-weight:600}:root[data-surface=student] .account-security-identity{border:var(--ts-border-w) solid 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.account-method-icon{background:var(--ts-paper-200);color:var(--ts-ink-700);border-radius:50%}:root[data-surface=student] .account-method-icon svg{width:16px;height:16px}:root[data-surface=student] .account-method-status,:root[data-surface=student] .account-method-unavailable{border-radius:var(--ts-radius-pill);height:24px;font-size:var(--text-caption);white-space:nowrap;align-items:center;gap:4px;padding:0 10px;font-weight:700;display:inline-flex}:root[data-surface=student] .account-method-status{background:var(--ts-leaf-100);color:var(--ts-leaf-700)}:root[data-surface=student] .account-method-unavailable{background:var(--ts-paper-100);color:var(--ts-ink-500)}:root[data-surface=student] .account-method-status svg,:root[data-surface=student] .account-method-unavailable svg{width:13px;height:13px}:root[data-surface=student] .account-security-methods>div[aria-disabled=true] p strong{color:var(--ts-ink-500)}:root[data-surface=student] 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.student-app-page .lalla-home-destinations [data-slot=button]:hover:not(:disabled)>.icon:last-child{color:var(--ts-flame-600)}:root[data-surface=student] .student-app-page .lalla-home-destinations strong{color:var(--ts-ink-900);font-size:var(--text-body);font-weight:800}:root[data-surface=student] .student-app-page .lalla-home-destinations small{color:var(--ts-ink-500);font-size:var(--text-caption);font-weight:600}:root[data-surface=student] .student-app-page .lalla-home-suggestions>small{color:var(--ts-ink-500);letter-spacing:var(--ts-tracking-caps);margin-bottom:10px;font-weight:800}:root[data-surface=student] .student-app-page .lalla-home-prompts{border-top:0;flex-wrap:wrap;gap:8px;display:flex}:root[data-surface=student] .student-app-page .lalla-home-prompts [data-slot=button]{text-align:left;border-bottom:0;justify-content:flex-start;min-height:38px}:root[data-surface=student] .student-app-page .lalla-home-prompts [data-slot=button]:hover:not(:disabled){padding:0 14px 0 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