@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap";:root{--font-main:"DM Sans",system-ui,sans-serif;--paper:#131313;--card:#1c1c1c;--card-2:#171717;--board:var(--card);--board-surface:radial-gradient(ellipse at 40% 25%,#fffdf573,transparent 70%),linear-gradient(165deg,#e0ded6,#ccc9bf 48%,#a8a59b);--ink:#ececea;--ink-2:#c4c4c0;--muted:#8b8b86;--accent:#d9a441;--accent-press:#e2b158;--accent-text:#1c1206;--tint:#26241d;--yellow:#f3c969;--line:#2a2a28;--line-strong:#4a4a46;--danger:#e08d6d;--deep:#0b0b0b;--radius:0}*{box-sizing:border-box}html{min-width:320px;background:var(--paper);color-scheme:dark}body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);font:400 1rem/1.55 var(--font-main);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{color:inherit}button,button *,.button,.button *,input[type=submit],input[type=button]{font-family:var(--font-main)!important}button:disabled,input:disabled,textarea:disabled{cursor:not-allowed;opacity:.58}.bar{height:64px;display:flex;align-items:center;gap:1rem;padding:0 clamp(.72rem,1.8vw,1.56rem);background:var(--deep);color:#f0f0ee;border-bottom:1px solid #000}.brand{color:inherit;text-decoration:none;font:800 1.12rem var(--font-main);letter-spacing:-.035em}.brand em{font-style:normal;color:var(--yellow)}.bar-note{font:700 .66rem var(--font-main);text-transform:uppercase;letter-spacing:.14em;color:#f0f0eeb8;border:1px solid rgba(240,240,238,.28);padding:.17rem .36rem}#signOut{margin-left:auto}.top-menu{display:flex;align-items:center;gap:.55rem;margin-left:auto}.top-menu .ghost:not(:hover),.bar #signOut:not(:hover){border-color:transparent}#topMenu:not([hidden])~#signOut{margin-left:0}.bar-student{display:flex;align-items:center;gap:.55rem;min-height:30px;border:1px solid transparent;border-radius:2px;background:transparent;padding:.18rem .36rem;font:700 .8rem var(--font-main);color:#fff;cursor:pointer;transition:border-color .15s}.bar-student:hover{border-color:#ffffffb8}.bar-student-avatar{display:grid;place-items:center;width:24px;height:24px;background:var(--accent);color:var(--accent-text);font:800 .72rem var(--font-main)}.modal-backdrop{position:fixed;inset:0;z-index:120;display:grid;place-items:center;background:#0009;padding:.6rem}.modal-backdrop[hidden]{display:none}.modal{width:min(420px,100%);background:var(--card);border:1px solid var(--line-strong);padding:.96rem}.modal h2{font-size:1.15rem}.modal .muted{margin:.2rem 0 1.2rem}.modal-actions{display:flex;justify-content:flex-end;gap:.6rem}.confirmation-modal{width:min(460px,100%);padding:1.02rem}.confirmation-modal .section-label{margin-bottom:.8rem}.confirmation-modal h2{margin-bottom:.55rem;font-size:1.3rem}.confirmation-modal .muted{max-width:38rem;margin-bottom:1.5rem;line-height:1.55}@media (max-width:440px){.confirmation-modal{padding:.81rem}.confirmation-modal .modal-actions{display:grid;grid-template-columns:1fr}.confirmation-modal .modal-actions button{width:100%}}main{width:100%;max-width:1380px;margin:0 auto;padding:clamp(.84rem,2.1vw,1.8rem)}body.lesson-active main{max-width:none;padding:10.8px clamp(9.6px,1.2vw,18px) 15.6px}h1,h2,h3,p{margin-top:0}h1{margin-bottom:.6rem;font:800 clamp(1.8rem,3.2vw,2.6rem)/1.06 var(--font-main);letter-spacing:-.04em}h2{margin-bottom:.45rem;font:750 1.22rem/1.15 var(--font-main);letter-spacing:-.015em}h3{font-family:var(--font-main)}.muted{color:var(--muted);margin:.15rem 0 1.35rem}.eyebrow,.section-label,.lesson-kicker{display:block;margin:0 0 .5rem;color:var(--accent);font:750 .68rem/1 var(--font-main);letter-spacing:.16em;text-transform:uppercase}.card{background:var(--card);border:1px solid var(--line-strong);padding:clamp(.84rem,1.8vw,1.26rem)}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}form{display:grid;gap:1.05rem}label{display:grid;gap:.44rem;font:700 .79rem/1.35 var(--font-main);color:var(--ink-2)}input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:2px;background:#161616;color:var(--ink);font-size:1rem;transition:border-color .15s,box-shadow .15s}input,select{min-height:34px;padding:.42rem .51rem}textarea{padding:.54rem .6rem;line-height:1.48;resize:vertical}input::placeholder,textarea::placeholder{color:#6f6f6a}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #d9a4412e}.field-row{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:.85rem;align-items:end}.button,.secondary-button,.ghost,.icon-button,.talk-button{border:0;cursor:pointer;transition:transform .15s,border-color .15s,background .15s,color .15s}.button{min-height:34px;border-radius:2px;padding:.45rem .75rem;font:750 .9rem var(--font-main)}.button.primary{background:var(--accent);color:var(--accent-text)}.button.primary:hover{background:var(--accent-press)}.button.primary:active{transform:translateY(1px)}.button.wide{width:100%}.secondary-button,.ghost{min-height:32px;border:1px solid var(--line-strong);border-radius:2px;background:transparent;padding:.36rem .6rem;font:700 .82rem var(--font-main);color:var(--ink)}.secondary-button:hover,.ghost:hover{border-color:var(--ink-2)}.secondary-button.compact{min-height:30px;padding:.29rem .48rem;font-size:.76rem}.bar .ghost{min-height:30px;border-color:#ffffff4d;background:transparent;color:#fff}.bar .ghost:hover{border-color:#ffffffb8}.icon-button{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line-strong);border-radius:2px;background:transparent}.icon-button:hover{border-color:var(--ink-2)}.linklike{border:0;background:none;color:var(--ink-2);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px;cursor:pointer;font:700 .82rem var(--font-main);padding:0}.linklike:hover{color:var(--ink);text-decoration-color:var(--ink)}.form-note{min-height:1.2rem;margin:0;color:var(--danger);font-size:.82rem}.consent{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;padding:.51rem;border:1px solid var(--line);background:var(--card-2);font:500 .78rem/1.5 DM Sans,sans-serif;color:var(--ink-2)}.consent input{width:18px;min-height:18px;margin-top:.1rem;accent-color:var(--accent)}.onboarding-shell{min-height:calc(100vh - 128px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(410px,.72fr);gap:clamp(2rem,7vw,6.5rem);align-items:center;max-width:1180px;margin:0 auto}.onboarding-intro{max-width:610px;padding:1.2rem 0}.onboarding-intro h1{font-size:clamp(2.4rem,4.8vw,3.9rem);letter-spacing:-.05em}.desk-props{position:absolute;z-index:60;top:28px;right:4vw;width:min(34vw,420px);aspect-ratio:960/344;pointer-events:none;user-select:none;rotate:-20deg;scale:1.08;transform-origin:center}body[data-screen=tpl-auth] .desk-props{top:2px;right:auto;left:calc(max(3vw,calc(50% - 600px)) + 110px);width:min(42vw,500px)}body[data-screen=tpl-lesson] .desk-props{top:18px;right:auto;left:clamp(440px,42vw,600px);width:min(28vw,360px)}@media (max-width:700px){.desk-props{top:40px;right:8px;width:min(62vw,280px)}body[data-screen=tpl-lesson] .desk-props{display:none}}.desk-prop{position:absolute;display:block;background:center/contain no-repeat}.desk-caliper{inset:0;background-image:url(/assets/desk-caliper-q-r5zUqS.webp);filter:drop-shadow(6px 10px 6px rgba(0,0,0,.6)) drop-shadow(1px 2px 1px rgba(0,0,0,.45))}:root[data-theme=light] .desk-caliper{filter:drop-shadow(6px 10px 7px rgba(70,38,14,.4)) drop-shadow(1px 2px 1px rgba(60,30,10,.35))}.lesson-head,.onboarding-intro,.page-heading{position:relative}.desk-magnifier{position:absolute;inset:0;z-index:61;pointer-events:none}.desk-magnifier-body{position:absolute;left:0;top:0;display:block;width:62px;height:auto;aspect-ratio:423/720;padding:0;border:0;border-radius:0;appearance:none;background:transparent url(/assets/desk-magnifier-modern-C9CyRbVu.webp) center/contain no-repeat;pointer-events:auto;cursor:grab;touch-action:none;user-select:none;rotate:-24deg;transform-origin:40.12% 23.21%;filter:drop-shadow(.9px 10.3px 6px rgba(0,0,0,.55)) drop-shadow(.1px 1.3px 1px rgba(0,0,0,.4));transition:scale .24s cubic-bezier(.2,.9,.2,1.12),rotate .24s ease,filter .24s ease}.desk-magnifier-body:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.desk-magnifier.is-picked-up{z-index:200}.desk-magnifier.is-picked-up .desk-magnifier-body{scale:5.7;rotate:-17deg;cursor:grabbing;filter:drop-shadow(11px 22px 11px rgba(0,0,0,.5))}:root[data-theme=light] .desk-magnifier-body{filter:drop-shadow(.9px 10.3px 7px rgba(70,38,14,.38)) drop-shadow(.1px 1.3px 1px rgba(60,30,10,.3))}:root[data-theme=light] .desk-magnifier.is-picked-up .desk-magnifier-body{filter:drop-shadow(11px 22px 12px rgba(70,38,14,.38))}.desk-magnifier.is-dropping{z-index:61}.desk-magnifier.is-dropping .desk-magnifier-body{pointer-events:none;transition:left .35s cubic-bezier(.22,1,.36,1),top .35s cubic-bezier(.22,1,.36,1),scale .32s ease-in-out,rotate .32s ease-in-out,filter .32s ease-in-out}.desk-magnifier-marker{position:absolute;left:40.12%;top:23.21%;width:0;height:0}.desk-magnifier-view{position:absolute;border-radius:50%;overflow:hidden;background-attachment:fixed;transform-origin:center;transition:scale .24s cubic-bezier(.2,.9,.2,1.12),opacity .14s ease}.desk-magnifier.is-dropping .desk-magnifier-view{transition:left .35s cubic-bezier(.22,1,.36,1),top .35s cubic-bezier(.22,1,.36,1),scale .32s ease-in-out,opacity .14s ease}.desk-magnifier-view>*{position:absolute;margin:0}.desk-magnifier-page{left:0;top:0;border:0;pointer-events:none;transform-origin:top left}.floating-board-sprite{position:fixed;z-index:90;display:block;pointer-events:none;transform-origin:top left}@media (prefers-reduced-motion:reduce){.desk-magnifier-body,.desk-magnifier-view,.desk-magnifier.is-dropping .desk-magnifier-body,.desk-magnifier.is-dropping .desk-magnifier-view{transition:none}}@media (max-width:700px){.desk-magnifier{display:none}}.onboarding-intro>p{max-width:560px;color:var(--ink-2);font-size:clamp(1.02rem,1.4vw,1.18rem);line-height:1.65}.onboarding-points{display:grid;margin-top:1.9rem;border-top:1px solid var(--line-strong)}.onboarding-points span{padding:.43rem 0;border-bottom:1px solid var(--line);color:var(--ink-2);font:600 .92rem DM Sans,sans-serif}.auth-card{max-width:500px;width:100%;justify-self:end}.auth-card h2{font-size:1.5rem}.auth-toggle{justify-self:center;margin-top:.4rem}.page-shell,.profile-page{max-width:1260px;margin:0 auto}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:1.9rem;padding-bottom:.72rem;border-bottom:1px solid var(--line-strong)}.page-heading>div:first-child{max-width:760px}.page-heading h1{margin-bottom:.3rem}.profile-page .page-heading h1,.dashboard .page-heading h1{margin:0;font:750 1.1rem/1 var(--font-main);letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}.page-heading p{margin:0;color:var(--muted);font-size:.98rem}.profile-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem;align-items:start}.profile-layout.no-learners{grid-template-columns:minmax(0,620px);justify-content:center}.profile-list-panel{min-width:0;padding:.12rem 0}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.panel-heading h2{margin-bottom:0}.panel-note{color:var(--muted);font-size:.78rem;padding-top:.09rem}.child-list{display:grid;grid-template-columns:minmax(0,1fr);gap:.55rem;margin-top:.9rem}.child-row{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;padding:.45rem .6rem;border:1px solid var(--line-strong);background:var(--card);cursor:pointer;transition:border-color .15s,background .15s}.child-row:hover,.child-row:focus-visible{border-color:var(--accent);background:var(--tint);outline:none}.student-choice{min-width:0;padding:0;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.student-choice:focus-visible{outline:2px solid var(--accent);outline-offset:6px}.learner-info{display:flex;align-items:center;gap:.85rem;min-width:0;font:600 .95rem/1.4 DM Sans,sans-serif;color:var(--ink)}.learner-name{margin:0;flex:0 1 auto;min-width:0;font:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.learner-age{flex:0 0 auto;display:flex;align-items:center;gap:.85rem;margin:0;padding:0;border:0;background:none;font:inherit;color:inherit;white-space:nowrap}.learner-age:before{content:"|";color:var(--line-strong)}.child-actions{display:flex;align-items:center;justify-content:flex-end;gap:.7rem}.child-actions .linklike{font-size:.76rem}.child-actions .remove-student{color:var(--muted);text-decoration-color:#5f3a2b}.child-actions .remove-student:hover{color:var(--danger);text-decoration-color:var(--danger)}.child-row.editing{grid-template-columns:minmax(0,1fr) 110px;gap:1.05rem .85rem;min-height:auto;padding:clamp(.84rem,1.8vw,1.26rem);cursor:default}.child-row.editing:hover{border-color:var(--line-strong);background:var(--card)}.child-row.editing .edit-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:.7rem;margin-top:.2rem}.child-row.editing .edit-note{grid-column:1/-1;margin:0}.add-child-panel{position:sticky;top:88px;min-width:0}.add-child-panel .add-child{margin-top:.9rem}.catalog-heading{align-items:center}.catalog-heading .eyebrow{margin:0;font-size:1.1rem;letter-spacing:.13em;color:var(--ink)}.lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 2.4rem}.subject-group{display:grid;align-content:start}.subject-title{margin:.55rem 0 0}.subject-toggle{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%;min-height:52px;padding:.48rem .42rem;border:0;border-bottom:1px solid var(--line-strong);background:transparent;color:var(--accent);font:750 .72rem var(--font-main);letter-spacing:.15em;text-align:left;text-transform:uppercase;cursor:pointer;transition:background .15s,border-color .15s}.subject-toggle:hover{border-color:var(--accent);background:var(--tint)}.subject-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.subject-arrow{flex:0 0 auto;display:grid;place-items:center;color:var(--ink-2)}.subject-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}.subject-arrow.open svg{transform:rotate(180deg)}.subject-group.all-locked .subject-toggle,.subject-group.all-locked .subject-arrow{color:var(--muted)}.subject-group.all-locked .subject-toggle:hover{border-color:var(--line-strong)}.subject-lessons{display:grid;gap:.35rem;padding-top:.24rem}.subject-lessons[hidden]{display:none}.lesson-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:1rem;width:100%;min-height:60px;padding:.51rem .42rem;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;transition:border-color .15s,background .15s}.lesson-row:not(.locked){border:1px solid transparent;background:var(--card)}.lesson-row.locked{color:var(--muted)}.row-copy{display:grid;gap:.12rem;min-width:0}.row-title-line{display:flex;align-items:baseline;gap:.55rem;min-width:0}.row-title{font:700 .95rem/1.35 var(--font-main)}.row-year{flex:0 0 auto;color:var(--muted);font:700 .72rem var(--font-main);white-space:nowrap}.row-track{flex:0 0 auto;padding:.12rem .25rem;border:1px solid var(--line-strong);color:var(--ink-2);font:750 .58rem/1 var(--font-main);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.row-track.extension{border-color:#675b3c;color:#c8ae70}.row-track.advanced{border-color:#625077;color:#bda7d8}.row-copy small{color:var(--muted);font:500 .72rem/1.35 DM Sans,sans-serif}.lesson-row.locked .row-title{font-weight:600;color:var(--muted)}.row-status{padding:.19rem .36rem;background:var(--accent);color:var(--accent-text);font:750 .62rem var(--font-main);letter-spacing:.09em}button.row-status{border:0;border-radius:2px;cursor:pointer;transition:background .15s}button.row-status:hover{background:var(--accent-press)}button.row-status:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.lesson-row.locked .row-status{background:transparent;color:#57574f;padding:0}.child-row.selected{border-color:var(--accent)}.resume-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.4rem;padding:.51rem .66rem;border:1px solid var(--accent);background:var(--card)}.resume-actions{display:flex;gap:.6rem;flex-shrink:0}.resume-copy{font-size:.92rem;color:var(--ink-2)}.resume-copy b{display:block;margin-bottom:.15rem;color:var(--accent);font:750 .66rem var(--font-main);letter-spacing:.14em;text-transform:uppercase}.resume-banner .button{flex:0 0 auto;min-height:40px;padding:.33rem .57rem;font-size:.8rem}.lesson-shell{display:grid;width:100%;min-width:0;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(460px,auto);gap:12px;height:auto;min-height:max(650px,calc(100dvh - 108px))}.lesson-head{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(360px,1.4fr) auto;align-items:center;gap:1.3rem;padding:0 1.2px}.lesson-identity{display:flex;align-items:center;gap:.85rem;min-width:0}.lesson-identity>div{min-width:0}.lesson-title-line{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0}.lesson-identity strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:750 1rem var(--font-main)}.lesson-title-line strong{color:var(--accent);font:750 .74rem/1 var(--font-main);letter-spacing:.16em;text-transform:uppercase}.lesson-title-line .lesson-kicker{flex:0 0 auto;margin:0;font-size:.74rem}.lesson-status{display:grid;gap:.45rem;align-items:center;min-width:0}.status-copy{display:flex;align-items:flex-start;flex-direction:column;gap:.28rem;min-width:0}.status-line{display:grid;grid-template-columns:118px minmax(0,1fr);color:var(--ink-2);font-size:.9rem;line-height:1.35;white-space:nowrap}.status-line b{font-weight:750;color:var(--ink)}.lesson-controls{display:flex;justify-content:flex-end;gap:.55rem}.lesson-workspace{display:grid;width:100%;min-width:0;grid-template-columns:minmax(560px,1fr) minmax(460px,560px);gap:14px;min-height:0;align-items:start}.board-panel,.conversation-panel{height:100%;min-height:0;border:1px solid var(--line-strong);background:var(--card);overflow:hidden}.board-panel{height:auto;min-height:460px;display:flex;flex-direction:column;min-width:0;border-color:var(--line-strong);border-radius:3px;box-shadow:0 12px 36px #0004}.board-surface{position:relative;flex:1 0 clamp(320px,calc(100dvh - 360px),640px);min-width:0;min-height:0;background:var(--board-surface)}.board-panel.has-vehicle-formations .board-surface{min-height:560px}#stage{display:block;width:100%;height:100%;border:0;background:var(--board-surface)}#stage.board-is-interactive{cursor:pointer;touch-action:none}#stage.board-has-draggables{cursor:grab;touch-action:none}#stage[data-drag-state=dragging]{cursor:grabbing}#stage.board-is-interactive:focus-visible{outline:3px solid var(--accent);outline-offset:-5px}.board-interaction{flex:0 0 auto;display:grid;grid-template-columns:minmax(140px,.85fr) minmax(0,1.25fr);gap:.65rem 1rem;padding:.45rem .6rem;border-top:1px solid var(--line-strong);background:linear-gradient(145deg,var(--card),var(--card-2));color:var(--ink)}.board-interaction[hidden]{display:none}.board-task-copy{min-width:0}.board-task-kicker{display:block;margin-bottom:.18rem;color:var(--accent);font:800 .61rem/1.2 var(--font-main);letter-spacing:.11em;text-transform:uppercase}.board-task-copy p{margin:0;font:700 .9rem/1.35 var(--font-main)}.board-task-controls{display:flex;align-items:center;justify-content:flex-start;gap:.38rem;min-width:0;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;padding:1.8px 1.8px 4.2px;scrollbar-width:thin;scrollbar-color:var(--accent) var(--card)}.board-task-controls>*{flex-shrink:0}.board-control-group{display:flex;align-items:center;gap:.32rem;min-width:max-content}.board-control-label{margin-right:.16rem;color:var(--ink-2);font:650 .72rem/1.2 var(--font-main)}.board-choice-button,.board-direction-button,.board-magnitude-button{flex-shrink:0;display:grid;place-items:center;min-width:38px;min-height:38px;padding:.22rem .33rem;border:1px solid #74746c;border-radius:3px;background:linear-gradient(145deg,#33332f,#242422);color:var(--ink);font:750 .76rem/1 var(--font-main);cursor:pointer}.board-choice-button:hover:not(:disabled),.board-direction-button:hover:not(:disabled),.board-magnitude-button:hover:not(:disabled){border-color:var(--accent);background:#40382b}.board-choice-button[aria-pressed=true],.board-direction-button[aria-pressed=true],.board-magnitude-button[aria-pressed=true]{border-color:var(--accent);background:#44371f;box-shadow:inset 0 0 0 1px var(--accent);color:var(--yellow)}.board-direction-button{font-size:1.05rem}.board-object-button{min-width:max-content}.board-range-wrap{display:grid;grid-template-columns:auto minmax(130px,220px) minmax(52px,auto);align-items:center;gap:.55rem;min-width:250px}.board-range-wrap input{accent-color:var(--accent)}.board-range-value{color:var(--yellow);font:800 .78rem/1 var(--font-main);text-align:right}.board-task-footer{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:1rem;min-width:0;padding-top:.33rem;border-top:1px solid #ffffff24}.board-task-status{min-width:0;color:var(--ink-2);font:600 .73rem/1.3 DM Sans,sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.board-task-actions{display:flex;align-items:center;gap:.38rem;flex:0 0 auto;margin-left:auto}.board-submit{min-height:30px;padding:.27rem .42rem;border:1px solid var(--yellow);border-radius:3px;background:linear-gradient(120deg,var(--yellow),var(--accent));color:var(--accent-text);font-size:.68rem;box-shadow:0 3px #72521e}.board-interaction :focus-visible{outline:3px solid var(--accent);outline-offset:2px}.board-interaction button:disabled,.board-interaction input:disabled{cursor:not-allowed;opacity:.45}.answer-choices{flex:0 0 auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;padding:.48rem .6rem;border-top:1px solid var(--line-strong);background:linear-gradient(145deg,var(--card),var(--card-2));border-top:2px solid var(--line-strong)}.answer-choices[hidden],.answer-option[hidden]{display:none}.answer-option{display:grid;grid-template-columns:minmax(0,1fr) 44px;min-width:0;border:1px solid #74746c;border-radius:3px;background:linear-gradient(135deg,#33332f,#242422);box-shadow:0 4px #0b0b0b;transition:background .15s,border-color .15s,box-shadow .15s}.answer-option:has(button:enabled):hover,.answer-option:focus-within{border-color:var(--yellow);background:linear-gradient(120deg,#534329,#3b3428);box-shadow:0 0 0 2px var(--accent),0 5px 18px #d9a4412b}.answer-choice{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:.65rem;min-width:0;min-height:34px;padding:.33rem .45rem;border:0;border-radius:2px 0 0 2px;background:transparent;color:var(--ink);text-align:left;overflow-wrap:anywhere;font:400 1rem var(--font-main);cursor:pointer}.answer-read-aloud{display:grid;place-items:center;min-height:44px;padding:0;border:0;border-left:1px solid #74746c;border-radius:0 2px 2px 0;background:#ffffff08;color:var(--yellow);cursor:pointer}.answer-read-aloud svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.answer-read-aloud:hover:not(:disabled){background:#6f552b;color:#fff}.answer-option button:focus-visible{outline:3px solid var(--yellow);outline-offset:-4px}.answer-option button:disabled{cursor:wait;opacity:.55}.choice-letter{display:grid;place-items:center;width:29px;height:29px;border-radius:3px;background:linear-gradient(135deg,var(--yellow),var(--accent));box-shadow:0 2px #0b0b0b;color:var(--accent-text);font-size:.75rem}.conversation-panel{height:clamp(480px,calc(100dvh - 220px),800px);display:flex;flex-direction:column;min-width:0}.mentor-heading{flex:0 0 auto;display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:.75rem;min-height:72px;padding:.45rem .6rem;border-bottom:1px solid #000;background:var(--deep);color:#f0f0ee}.mentor-avatar{position:relative;width:50px;height:50px;overflow:hidden;border:1px solid rgba(240,240,238,.4);background:#242424}.mentor-avatar img{position:absolute;width:96px;height:96px;max-width:none;left:-23px;top:-11px;object-fit:contain}.mentor-heading strong{display:block;font:750 .92rem var(--font-main)}.mentor-heading small{display:block;color:#f0f0ee99;font-size:.67rem}.mentor-voice-toggle{min-height:34px;padding:.24rem .35rem;border:1px solid rgba(240,240,238,.34);border-radius:2px;background:transparent;color:#f0f0ee;font:700 .68rem var(--font-main);cursor:pointer}.mentor-voice-toggle:hover{border-color:#f0f0eeb8;background:#ffffff0f}.chat{flex:1;min-height:0;overflow-y:auto;overscroll-behavior-y:auto;display:flex;flex-direction:column;gap:.8rem;padding:.66rem;background:var(--paper);scrollbar-color:var(--line-strong) transparent}.msg{max-width:92%;padding:.48rem .6rem;border-radius:3px;font-size:.96rem;line-height:1.5}.msg-body{display:block;white-space:pre-wrap}.msg-time{display:block;margin-top:.32rem;color:var(--muted);font:500 .64rem/1.2 var(--font-main);letter-spacing:.015em;opacity:.72;text-align:left}.msg.mentor{position:relative;align-self:flex-start;padding-right:2.8rem;background:var(--card);color:var(--ink);border:1px solid var(--line-strong)}.msg-reread{position:absolute;right:.48rem;bottom:.4rem;display:grid;place-items:center;width:28px;height:28px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--muted);cursor:pointer}.msg-reread:hover{background:#43554d1a;color:var(--ink)}.msg-reread:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.msg-reread svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.turn-retry{display:block;min-height:34px;margin-top:.65rem;padding:.25rem .42rem;border:1px solid #66776f;border-radius:2px;background:#fffdf6;color:#14231e;font:750 .72rem/1 var(--font-main);cursor:pointer}.turn-retry:hover{border-color:var(--accent);background:#fff}.turn-retry:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.msg.child{align-self:flex-end;background:#33332f;color:var(--ink)}.msg.child .msg-time{color:#f0f0ee94;text-align:right}.msg.activity{align-self:center;display:flex;align-items:center;gap:.45rem;max-width:100%;padding:.2rem .39rem;border:1px solid var(--line);border-radius:999px;background:#ffffff06;color:var(--muted);font:600 .7rem/1.3 var(--font-main)}.msg.activity .msg-body{display:inline;white-space:normal}.msg.activity .msg-time{display:inline;margin:0;white-space:nowrap;font-size:.59rem}.msg.mentor.thinking{align-self:flex-start;display:flex;align-items:center;width:26px;min-width:0;min-height:26px;margin:.05rem 0 0 .35rem;padding:.15rem;background:transparent;border:0}.thinking-spinner{display:block;width:15px;height:15px;border:2px solid rgba(67,85,77,.4);border-right-color:var(--ink);border-radius:50%;animation:mentor-thinking-spin .72s linear infinite}@keyframes mentor-thinking-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.thinking-spinner{animation-duration:1.5s}}.response-composer{flex:0 0 auto;display:block;padding:.51rem;border-top:1px solid var(--line-strong);background:var(--card)}#turnInput{display:block;min-height:104px;max-height:190px;font-size:1rem}.composer-footer{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:.7rem;margin-top:.7rem}.talk-button{display:flex;align-items:center;gap:.45rem;min-height:32px;padding:.33rem .45rem;border:1px solid var(--line-strong);border-radius:2px;background:transparent;font:700 .75rem var(--font-main)}.talk-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.talk-button:hover{border-color:var(--ink-2)}.talk-button.recording{border-color:var(--danger);background:#33211b;animation:pulse 1s infinite}.send-button{display:flex;align-items:center;gap:.55rem;min-height:32px;padding:.33rem .48rem;font-size:.76rem}.composer-actions{display:flex;justify-self:end;align-items:center;gap:.45rem;min-width:0}.composer-actions #stepBackLesson{min-height:32px;padding:.33rem .36rem;font-size:.76rem}.composer-footer .send-button{justify-self:end}.send-button span{font-size:1rem}@keyframes pulse{50%{transform:scale(1.04)}}.response-composer :disabled{cursor:wait;opacity:.56}.dashboard .page-heading{align-items:flex-start}.dashboard-card{min-height:180px;padding:.75rem}.session-row{margin:.65rem 0;border:1px solid var(--line-strong);overflow:hidden;background:var(--card)}.session-head-row{display:flex;align-items:center;background:var(--card-2)}.session-head{width:100%;min-height:54px;padding:.51rem .6rem;border:0;background:transparent;text-align:left;cursor:pointer;font:650 .84rem DM Sans,sans-serif}.session-head:hover{background:var(--tint)}.resume-session{margin-right:.7rem;white-space:nowrap}.session-summary{margin:.75rem 1rem;color:var(--muted);font-size:.84rem}.session-transcript{display:grid;gap:.55rem;padding:.6rem;border-top:1px solid var(--line)}.danger-zone{margin-top:2rem;padding:.78rem;border:1px solid #5f3a2b;background:#211510}.danger-zone h2{margin:0;font-size:1rem}.danger-zone .muted{font-size:.82rem}.danger{color:var(--danger);border-color:#6d4433;background:transparent}.danger:hover{border-color:var(--danger);background:#2a1a12}.confetti{position:fixed;z-index:99;pointer-events:none;font-size:1.6rem;animation:fall 1.6s ease-in forwards}@keyframes fall{to{transform:translateY(105vh) rotate(360deg);opacity:.2}}@media (max-width:1180px){.lesson-head{grid-template-columns:minmax(230px,.8fr) minmax(300px,1.2fr) auto}.lesson-workspace{grid-template-columns:minmax(0,1fr) 440px}.composer-footer{grid-template-columns:auto 1fr}.send-button{justify-self:end}}@media (max-width:980px){main{padding:.84rem}body.lesson-active main{padding:8.4px}.onboarding-shell{grid-template-columns:1fr;gap:1.6rem;max-width:650px}.onboarding-intro{padding:.6rem 0}.onboarding-intro h1{font-size:clamp(2.2rem,7.5vw,3.2rem)}.auth-card{justify-self:stretch;max-width:none}.profile-layout{grid-template-columns:1fr}.add-child-panel{position:static}.lesson-shell{display:block;height:auto;min-height:0}.lesson-head{grid-template-columns:1fr auto;gap:1rem;margin-bottom:14px}.lesson-status{grid-column:1/-1;grid-row:2}.lesson-controls{grid-column:2;grid-row:1}.lesson-workspace{display:grid;grid-template-columns:1fr}.board-panel,.conversation-panel{height:auto;min-height:0}.board-panel{height:auto;min-height:400px}.board-surface{flex-basis:clamp(400px,55vw,520px)}.conversation-panel{height:700px}#stage{max-height:none}}@media (max-width:700px){body.lesson-active .bar{display:flex}.bar{height:58px;padding:0 .6rem}.bar-note{display:none}.top-menu{gap:.4rem}.top-menu .ghost{padding:.27rem .33rem;font-size:.72rem}.bar-student-name{display:none}main{padding:.6rem}.page-heading{align-items:flex-start;flex-direction:column;gap:1rem;margin-bottom:1.4rem}.page-heading h1{font-size:1.8rem}.profile-layout{gap:1rem}.lesson-grid{grid-template-columns:1fr;gap:.2rem}body.lesson-active main{padding:6px 8.4px 8.4px}.lesson-head{grid-template-columns:minmax(0,1fr) auto;gap:8px 10px;margin-bottom:10px}.lesson-identity{grid-column:1;grid-row:1}.lesson-controls{grid-column:2;grid-row:1;align-self:center;justify-content:flex-end}.lesson-controls #finishLesson{display:none}.lesson-status{grid-column:1/-1;grid-row:2;display:block}.status-copy{gap:.18rem}.status-line{grid-template-columns:108px minmax(0,1fr);font-size:.82rem}.lesson-workspace{gap:12px}.board-panel{height:auto;min-height:260px}.board-surface{flex-basis:260px}.board-panel.has-board-task{height:auto;min-height:300px}.board-panel.has-multiple-models{height:auto}.board-panel.has-multiple-models .board-surface{flex:0 0 320px}.board-panel:has(.answer-choices:not([hidden])){height:auto}.board-panel:has(:where(.answer-choices:not([hidden]))) .board-surface{flex:0 0 220px}.board-panel.has-quantity-models{height:auto}.board-panel.has-quantity-models .board-surface{flex:0 0 320px}.board-panel.has-quantity-models.has-multiple-models .board-surface{flex-basis:440px}.board-panel.has-vehicle-formations .board-surface{flex-basis:620px}.board-panel.has-vehicle-formations.has-multiple-models .board-surface{flex-basis:800px}.board-panel.has-fraction-diagrams{height:auto}.board-panel.has-fraction-diagrams .board-surface{flex:0 0 clamp(320px,50svh,440px)}.board-interaction{grid-template-columns:minmax(82px,.55fr) minmax(0,1.45fr);gap:.35rem;padding:.25rem .33rem}.board-task-kicker{display:none}.board-task-copy{align-self:center}.board-task-copy p{white-space:normal;font-size:.72rem}.board-task-controls{justify-content:flex-start;gap:.25rem}.board-choice-button,.board-direction-button,.board-magnitude-button{min-width:32px;min-height:32px;padding:.17rem .25rem;font-size:.7rem}.board-direction-button{font-size:.94rem}.board-range-wrap{grid-template-columns:auto minmax(85px,1fr) auto;gap:.35rem;min-width:180px}.board-task-footer{grid-column:1/-1;gap:.45rem;padding-top:.21rem}.board-task-status{font-size:.65rem}.board-task-actions{gap:.25rem}.board-submit{min-height:32px;padding:.22rem .3rem;font-size:.62rem}.conversation-panel{height:430px}.mentor-heading{grid-template-columns:42px minmax(0,1fr) auto;min-height:60px;padding:.33rem .48rem}.mentor-voice-toggle{min-height:32px;padding:.21rem .27rem;font-size:.64rem}.answer-choices{grid-template-columns:1fr;gap:.45rem;padding:.33rem .39rem}.answer-choice{min-height:32px;padding:.25rem .33rem;font-size:.9rem}.mentor-avatar{width:42px;height:42px}.mentor-avatar img{width:82px;height:82px;left:-20px;top:-10px}.chat{gap:.6rem;padding:.45rem}.msg{padding:.42rem .51rem;font-size:.91rem;line-height:1.45}.response-composer{padding:.39rem}#turnInput{min-height:72px;max-height:100px;padding:.45rem .48rem;font-size:.92rem}.composer-footer{margin-top:.55rem}.composer-footer{grid-template-columns:auto 1fr}.send-button{justify-self:end}}@media (max-width:440px){.field-row{grid-template-columns:1fr 90px}.learner-basics,.child-row.editing{grid-template-columns:1fr}.child-row.editing .edit-actions,.child-row.editing .edit-note{grid-column:1}.lesson-identity strong{font-size:.86rem}.status-line{grid-template-columns:92px minmax(0,1fr);white-space:normal}.mentor-heading{grid-template-columns:42px minmax(0,1fr) auto}.send-button{padding:.33rem .42rem}}.board-surface{position:relative}.board-replay{position:absolute;z-index:1;top:12px;right:12px;padding:3px 5.4px;border:1px solid #8c826d;border-radius:3px;background:#e2ded1;color:#332f25;font:500 12px DM Sans,sans-serif;cursor:pointer}.board-replay:hover,.board-replay:focus-visible{background:#f0e8d5;border-color:#675532}.composer-actions{flex-wrap:wrap}.talk-button[aria-disabled=true]{opacity:.55;cursor:not-allowed}.mentor-voice-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:3.6px;flex-shrink:0}.mentor-voice-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.mentor-voice-toggle[aria-pressed=true] .voice-muted,.mentor-voice-toggle[aria-pressed=false] .voice-waves{display:none}.mentor-voice-toggle:focus-visible{outline:2px solid currentColor;outline-offset:3px}.mentor-voice-toggle .voice-speaker{fill:currentColor;stroke:none}.mentor-voice-controls{display:inline-flex;align-items:center;gap:.3rem}.mentor-voice-pause .voice-pause-bars{stroke-width:2.4}.mentor-voice-pause .voice-resume-arrow{fill:currentColor;stroke:none}.mentor-voice-pause[aria-pressed=false] .voice-resume-arrow,.mentor-voice-pause[aria-pressed=true] .voice-pause-bars{display:none}.mentor-voice-pause:disabled{opacity:.38;cursor:default}.mentor-voice-pause[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}::highlight(spoken){background-color:transparent;color:inherit;text-shadow:.035em 0 0 currentColor,-.035em 0 0 currentColor}.auth-continue{display:grid;gap:.6rem;margin-top:1rem}.auth-continue .form-note{margin:0}.account-switch{margin:1rem 0 0}.link-button{padding:0;border:0;background:none;color:var(--accent);font:inherit;text-decoration:underline;cursor:pointer}.user-menu-who{display:grid;gap:2px;padding:10px 12px 9px;margin-bottom:4px;border-bottom:1px solid var(--line-strong);max-width:260px}.user-menu-who strong{font:700 .875rem var(--font-main);color:var(--ink)}.user-menu-who span{font:500 .78rem var(--font-main);color:var(--ink-2)}.user-menu-who :is(strong,span){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-who :is(strong,span):empty{display:none}.assessment-panel{border:1px solid var(--line-strong);background:var(--card-2);color:var(--ink)}.assessment-toggle{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:44px;padding:.39rem .6rem;cursor:pointer;list-style:none;font:inherit;font-size:.82rem;font-weight:650}.assessment-toggle::-webkit-details-marker{display:none}.assessment-toggle:hover{background:var(--card)}.assessment-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.progress-chevron{width:18px;height:18px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}.assessment-panel[open]>.assessment-toggle{border-bottom:1px solid var(--line)}.assessment-panel[open]>.assessment-toggle .progress-chevron{transform:rotate(180deg)}.assessment-content{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:.65rem 1.5rem;padding:.48rem .6rem}@media (prefers-reduced-motion:reduce){.progress-chevron{transition:none}}.assessment-details{min-width:0;font-size:.72rem;line-height:1.5;color:var(--muted)}.assessment-diagnostics h3{margin:0;color:var(--ink-2);font:650 .72rem/1.5 var(--font-main)}.assessment-roadmap{display:grid;gap:.45rem;margin:.7rem 0 0;padding-left:.72rem}.assessment-roadmap li{padding-left:.06rem}.assessment-roadmap small{display:block;font-size:.65rem;color:var(--muted)}.assessment-roadmap li[data-state=current]{color:var(--ink)}.assessment-roadmap li[data-state=completed]{color:#8bd3b4}.assessment-diagnostics dl{display:grid;gap:.4rem;margin:.7rem 0}.assessment-diagnostics dl>div{display:grid;grid-template-columns:6rem minmax(0,1fr);gap:.4rem}.assessment-diagnostics dt,.assessment-diagnostics dd{margin:0}.assessment-diagnostics dd{color:var(--ink-2)}.assessment-diagnostics p{margin:.7rem 0 .3rem;color:var(--ink-2)}.assessment-diagnostics ul{margin:0;padding-left:.72rem}@media (max-width:700px){.assessment-content{grid-template-columns:1fr;padding:.42rem .48rem;gap:.6rem}}:root{--sunlit-forest:#294b61;--sunlit-gold:#f3c969;--sunlit-leaf:#829bad;--sunlit-cream:#f3f0e7;--font-display:"Manrope",system-ui,sans-serif;--font-main:"DM Sans",system-ui,sans-serif;--font-detail:"Manrope",system-ui,sans-serif}:root,:root[data-theme=light]{color-scheme:light;--page-title-size:clamp(1.5rem,2.3vw,2.2rem);--paper:#f3f0e7;--card:#f3f0e7;--card-2:#dbe5eb;--deep:#f3f0e7;--ink:#1b3142;--ink-2:#3d5669;--muted:#586d7e;--accent:#294b61;--accent-press:#eabb54;--accent-text:#1b3142;--yellow:#294b61;--gold:#f3c969;--leaf:#829bad;--tint:#d1e0e8;--reply:#f3c969;--reply-ink:#1b3142;--reply-tape:rgba(218,230,215,.96);--reply-tape-edge:#829baa;--line:#98adbc;--line-strong:#294b61;--input:#faf8f0;--control:#f3f0e7;--control-hover:#d1e0e8;--danger:#9a392b;--danger-surface:#f7e4d9;--positive:#426980;--attention:#87520e;--print-shadow:#294b61;--leaf-shadow:#829bad;--radius:8px;--board-canvas:#eee7d7;--board-surface:var(--board-canvas)}:root[data-theme=dark]{color-scheme:dark;--paper:#1b2631;--card:#273743;--card-2:#304554;--deep:#1b2631;--ink:#f3f0e7;--ink-2:#dce5ec;--muted:#bbcbd5;--accent:#8baabe;--accent-press:#ffda88;--accent-text:#1b3142;--yellow:#f3c969;--gold:#f3c969;--leaf:#829bad;--tint:#364e60;--reply:#425d6f;--reply-ink:#f3f0e7;--reply-tape:rgba(230,218,184,.78);--reply-tape-edge:#b7a77e;--line:#435d70;--line-strong:#7d9aae;--input:#1e303e;--control:#263c4d;--control-hover:#364e60;--danger:#ffb29d;--danger-surface:#492e26;--positive:#8baabe;--attention:#f3c969;--print-shadow:#111f2a;--leaf-shadow:#6e8b9d;--board-canvas:#c7bfac;--board-surface:var(--board-canvas)}html,body{background:var(--paper);color:var(--ink)}body{font-family:var(--font-main)}.privacy-link{position:fixed;right:12px;bottom:8px;z-index:10;padding:3px 6px;border-radius:4px;background:var(--paper);color:var(--muted);font:500 .72rem/1.4 var(--font-main);text-decoration:underline;text-underline-offset:3px}.privacy-link:hover,.privacy-link:focus-visible{color:var(--ink);background:var(--card-2)}.onboarding-shell{grid-template-columns:minmax(0,1fr);max-width:560px;justify-items:center}.onboarding-shell .auth-card{justify-self:center}h1,h2,h3,.brand,.mentor-heading strong,.row-title{font-family:var(--font-display);font-weight:750;letter-spacing:-.035em}h1{font-size:clamp(2rem,3.5vw,3.4rem);line-height:1.05;color:var(--ink)}h2{font-size:1.5rem;line-height:1.15}button,input,select,textarea,label{font-family:var(--font-main)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden],.bar [hidden]{display:none!important}.eyebrow,.section-label,.lesson-kicker,.board-task-kicker{font:700 .75rem/1.4 var(--font-detail);letter-spacing:.06em;color:var(--accent)}.muted{color:var(--muted)}.bar{position:relative;height:auto;min-height:68px;flex-wrap:wrap;gap:10px;padding:12px clamp(16px,2.2vw,32px);background:var(--deep);color:var(--ink);border-bottom:2px solid var(--line-strong)}.brand{font:600 clamp(1.25rem,2vw,1.65rem) Manrope,sans-serif;letter-spacing:-.02em;white-space:nowrap;background:#294b61;color:#f3f0e7;padding:12px 16px;border:2px solid #294b61;border-radius:8px;box-shadow:3px 3px 0 var(--leaf-shadow);transform:none;text-decoration:none}.brand em{color:#f3c969;font-style:normal}.bar-note{font:700 .75rem var(--font-detail);color:var(--muted);border:0;padding:0}.top-menu{flex-wrap:wrap;gap:8px;min-width:0;max-width:100%}.bar .ghost,.bar-student{color:var(--ink)}.top-menu a.ghost{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.top-menu .ghost[aria-current=page]{background:var(--tint);border-color:var(--line-strong);box-shadow:0 3px 0 var(--leaf-shadow)}.bar-student{border:1px solid var(--line);border-radius:99px;padding:6px 10px;max-width:240px}.bar-student-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-student-avatar{background:var(--gold);color:#1b3142;border-radius:50%}#signOut{margin-left:0}#barStudent[hidden]+#themeToggle{margin-left:auto}#themeToggle{width:40px;height:40px;flex-shrink:0;color:var(--ink)}#themeToggle svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}#themeToggle .theme-moon,[data-theme=light] #themeToggle .theme-sun{display:none}[data-theme=light] #themeToggle .theme-moon{display:block}.user-menu{position:relative;flex:0 0 auto}.user-menu-toggle{width:40px;height:40px;padding:7px}.user-menu-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.user-menu-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:120;display:grid;min-width:180px;padding:6px;background:var(--card);border:2px solid var(--line-strong);border-radius:8px;box-shadow:4px 4px 0 var(--leaf-shadow)}.user-menu-panel :is(a,button){display:block;width:100%;min-height:0;margin:0;padding:10px 12px;border:0;border-radius:5px;background:transparent;color:var(--ink);font:700 .875rem var(--font-main);text-align:left;text-decoration:none;white-space:nowrap;box-shadow:none;transform:none;cursor:pointer}.user-menu-panel :is(a,button):hover,.user-menu-panel :is(a,button):focus-visible{background:var(--tint);color:var(--ink);box-shadow:none;transform:none}label{font-size:.875rem;line-height:1.5;color:var(--ink-2)}input,select,textarea{background:var(--input);border:2px solid var(--line-strong);border-radius:7px;color:var(--ink);min-height:44px;padding:10px 12px}input::placeholder,textarea::placeholder{color:#a2a49e;font-weight:400;opacity:1}[data-theme=dark] input::placeholder,[data-theme=dark] textarea::placeholder{color:#79817b}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:3px 3px 0 var(--leaf-shadow);outline:2px solid var(--accent);outline-offset:2px}input[type=checkbox]{min-height:18px;padding:0;accent-color:var(--accent)}.linklike{font-size:.875rem;color:var(--ink-2)}.card,.modal,.child-row,.subject-group,.resume-banner,.session-row,.assessment-panel{background:var(--card);border:2px solid var(--line-strong);border-radius:8px}.card,.modal{box-shadow:5px 5px 0 var(--leaf-shadow)}.modal{padding:24px}.modal h2{font-family:var(--font-display);font-size:1.6rem}.modal-actions{flex-wrap:wrap;gap:12px}main{width:100%;min-width:0;max-width:1480px;padding:28px 28px 40px}main>*,.lesson-head>*,.lesson-workspace>*,.profile-layout>*,.onboarding-shell>*{min-width:0}.msg-body,.row-title,.session-summary{overflow-wrap:anywhere}.page-heading{border:0;margin-bottom:26px}.page-heading h1,.profile-page .page-heading h1,.dashboard .page-heading h1,.catalog-heading .eyebrow,.lesson-title-line strong{font:600 var(--page-title-size)/1.2 Manrope,sans-serif;font-stretch:normal;letter-spacing:-.025em;text-transform:none;color:var(--ink);text-shadow:none}.onboarding-intro h1{font:800 clamp(2.5rem,4.7vw,4.2rem)/1.06 var(--font-display);text-shadow:none}.onboarding-points{border:0;gap:12px}.onboarding-points span{border:0;border-left:5px solid var(--leaf);padding:4px 12px}.auth-card{border-top:9px solid var(--leaf);border-radius:12px 12px 4px 4px;padding:24px}.auth-card h2{font-size:1.8rem}.consent{background:var(--card-2);font-size:.875rem;border-radius:6px;padding:12px}.child-row{padding:16px;box-shadow:3px 3px 0 var(--leaf-shadow)}.child-list{gap:16px}.child-row.selected{background:var(--tint);border-color:var(--accent)}.lesson-grid{gap:24px}.subject-group{overflow:hidden;align-content:start;box-shadow:4px 4px 0 var(--leaf-shadow)}.subject-title{margin:0}.subject-toggle{padding:16px;min-height:56px;font-size:1rem;letter-spacing:0;text-transform:none;background:var(--leaf);color:#1b3142;border-bottom:2px solid #294b61}.subject-toggle:hover{background:var(--gold);color:#1b3142}.subject-arrow{color:inherit}.subject-group.all-locked .subject-toggle,.subject-group.all-locked .subject-arrow{color:#1b3142}.subject-lessons{padding:8px}.lesson-row{border-radius:6px;padding:12px;gap:12px;grid-template-columns:minmax(0,1fr) 4.5rem 5.5rem}.row-title{font-size:1.05rem;line-height:1.35}.row-copy small,.row-year{font-size:.8rem}.lesson-row .row-year{grid-column:2;justify-self:start}.lesson-grid .lesson-row{grid-template-columns:minmax(0,1fr) 4.5rem 5.5rem}.lesson-row .row-status{grid-column:3;justify-self:end}.row-track{font-size:.75rem;line-height:1.25;border-color:var(--line)}.row-track.extension,.row-track.advanced{color:var(--ink-2);border-color:var(--line)}.row-status{background:var(--gold);color:#1b3142;font-size:.75rem;letter-spacing:0;padding:6px 9px;border-radius:4px}.lesson-row.locked .row-status{color:var(--muted)}.resume-banner{padding:18px;border-left:8px solid var(--leaf)}.resume-copy b{font-family:var(--font-main);font-size:.875rem;letter-spacing:0}.session-head-row{background:var(--card-2)}.session-head{padding:16px;font-size:1rem}.session-summary,.session-transcript{font-size:1rem}.session-transcript{padding:18px;gap:18px}.danger-zone{background:var(--danger-surface);border:1px solid var(--danger);border-radius:8px;padding:20px}.danger{color:var(--danger)}.danger:hover{background:var(--danger-surface)}.desk-props{display:none}html{zoom:.9;min-width:0;overflow-x:clip}body{min-width:0;width:100%}body.lesson-active main{max-width:1680px;padding:12px 32px 28px}.lesson-shell{display:grid;grid-template-rows:auto;align-content:start;gap:10px;min-height:0}.lesson-head{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr) auto;gap:6px 20px;align-items:center;padding-top:26px}.lesson-identity{position:relative;gap:12px}.lesson-title-line{position:relative;display:flex;flex-direction:row;align-items:center;gap:0}.lesson-title-line strong{white-space:normal;overflow-wrap:anywhere;overflow:visible}.lesson-title-line>.lesson-kicker{position:absolute;left:0;bottom:calc(100% + 2px);margin:0;white-space:nowrap;font:700 .75rem/1.4 var(--font-detail);letter-spacing:.08em;color:var(--accent)}.lesson-controls{display:flex;grid-column:3;grid-row:1;gap:8px;flex-wrap:wrap}.lesson-workspace{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(375px,1fr);gap:30px;align-items:start}.board-panel{display:flex;flex-direction:column;min-width:0;min-height:0;height:auto;background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible}.board-surface{position:relative;background:var(--board-canvas);border:2px solid var(--line-strong);border-radius:5px;box-shadow:6px 6px 0 var(--print-shadow);overflow:hidden}#stage{background:var(--board-canvas)}.board-interaction{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr);gap:14px;width:calc(100% - 36px);margin:-12px 18px 0;padding:14px;background:var(--card);border:2px solid var(--line-strong);border-radius:3px;box-shadow:3px 3px 0 var(--print-shadow);transform:rotate(-1deg)}.board-task-copy{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;min-width:0}.board-task-kicker{display:inline-block;background:var(--accent);color:var(--paper);font:700 .75rem/1.4 var(--font-detail);letter-spacing:.03em;margin:0;padding:4px 7px}.board-task-copy p{margin:0;font:600 1rem/1.45 var(--font-main);white-space:normal;flex:1;min-width:min(220px,100%)}.board-task-controls{display:flex;flex-wrap:wrap;overflow:visible;gap:8px;max-width:100%;min-width:0}.board-task-controls>.board-control-group{flex-wrap:wrap;flex-shrink:1;min-width:0;max-width:100%;gap:8px}.board-control-label,.board-range-value{font:650 .875rem/1.3 var(--font-main)}.board-range-value{color:var(--accent)}.board-range-wrap{min-width:0;max-width:100%;grid-template-columns:auto minmax(85px,1fr) auto}.board-task-status{white-space:normal;font-size:.875rem;overflow:visible}.board-task-footer{grid-column:1/-1;flex-wrap:wrap;border-color:var(--line);padding-top:10px;gap:12px}.board-task-actions{gap:8px}body.sunlit-pilot .answer-choices{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:flex-start;gap:clamp(8px,1.2vw,17px);padding:16px 8px 12px;margin:-24px -5px 0;background:transparent;border:0;min-width:0}body.sunlit-pilot .answer-choices[hidden]{display:none}body.sunlit-pilot .answer-option{grid-template-columns:minmax(0,1fr) 30px;flex:0 1 auto;width:max-content;max-width:100%;min-width:0;align-items:stretch}body.sunlit-pilot .answer-choice{display:flex;align-items:center;justify-content:center;min-width:0;min-height:52px;padding:14px 8px 10px;font:600 1.2rem/1.3 var(--font-main);color:var(--ink);text-align:center;overflow-wrap:anywhere}body.sunlit-pilot .choice-letter{position:absolute;top:-12px;left:9px;width:27px;height:27px;display:grid;place-items:center;font-size:.75rem}body.sunlit-pilot .answer-read-aloud{min-height:44px;border:0;background:transparent;color:var(--ink-2);align-self:center;padding:0 5px}body.sunlit-pilot .answer-read-aloud svg{width:18px;height:18px}body.sunlit-pilot .answer-read-aloud:hover:not(:disabled){background:var(--tint);color:var(--ink)}.answer-option.is-chosen button:disabled{opacity:1}.answer-choices.has-choice .answer-option:not(.is-chosen){opacity:.6}.conversation-panel{position:sticky;top:18px;display:flex;flex-direction:column;min-width:0;height:clamp(570px,calc(100dvh - 240px),800px);min-height:0;background:var(--card);border:2px solid var(--line-strong);border-radius:5px;box-shadow:6px 6px 0 var(--leaf-shadow)}.mentor-heading{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:12px;padding:15px 16px;background:var(--card);color:var(--ink);border-top:8px solid var(--leaf);border-bottom:2px solid var(--line-strong);border-radius:3px 3px 0 0}.mentor-avatar{width:52px;height:52px;overflow:hidden;background:var(--gold);border:2px solid #294b61;border-radius:50%;filter:none;box-shadow:none}.mentor-avatar img{position:absolute;width:100px;height:100px;left:-24px;top:-11px;object-fit:contain;filter:none;mix-blend-mode:normal;opacity:1}.mentor-heading strong{font:700 1.45rem/1.1 var(--font-display);letter-spacing:-.025em}.mentor-heading small{font:500 .875rem/1.4 var(--font-main);color:var(--muted);margin-top:3px}.chat{flex:1;min-height:0;background:var(--card);padding:25px 20px;gap:24px;scrollbar-width:thin;scrollbar-color:var(--line-strong) var(--card)}.msg{position:relative;flex-shrink:0;font:400 1rem/1.65 var(--font-main)}.msg.mentor{max-width:100%;background:transparent;color:var(--ink);border:0;border-left:3px solid var(--leaf);border-radius:0;padding:0 32px 0 14px;box-shadow:none}.msg.child{align-self:flex-end;max-width:88%;background:var(--reply);color:var(--reply-ink);border:1.5px solid var(--line-strong);border-radius:5px;padding:14px 16px;transform:rotate(.6deg);box-shadow:3px 4px 0 var(--leaf-shadow)}.msg.child:before{content:"";position:absolute;top:-9px;left:22px;width:54px;height:17px;background:var(--reply-tape);border:1px solid var(--reply-tape-edge);box-shadow:1px 2px 3px #20312538;clip-path:polygon(2% 4%,100% 0,97% 100%,0 94%);transform:rotate(-5deg);pointer-events:none}.msg.child .msg-body{font-weight:500}.msg-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px;font:700 .75rem/1.4 var(--font-main);letter-spacing:.04em;color:var(--ink-2)}.msg.child .msg-meta{color:var(--reply-ink)}.msg-meta .msg-time{margin:0;font:500 .75rem/1.4 var(--font-main);color:inherit;opacity:.8}.msg-reread{color:var(--muted)}.msg.activity{background:var(--card-2);font-size:.8rem;padding:8px 10px}.msg.activity .msg-time{font-size:.75rem}.msg.mentor.thinking{border:0;padding:4px}.response-composer{padding:14px 16px 18px;border-top:2px solid var(--line-strong);background:var(--card);border-radius:0 0 3px 3px}#turnInput{display:block;width:100%;height:40px;min-height:40px;max-height:200px;padding:7px 12px;background:var(--card);color:var(--ink);border:2px solid var(--line-strong);border-radius:8px;resize:vertical;font:400 1rem/1.45 var(--font-main)}#turnInput:focus{outline:2px solid var(--accent);outline-offset:2px;box-shadow:3px 3px 0 var(--gold)}.composer-footer{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}.composer-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-left:auto}.lesson-progress{grid-column:2;grid-row:1;min-width:0;margin:0;padding:3px}.lesson-progress ol{display:flex;align-items:center;flex-wrap:wrap;gap:7px;list-style:none;padding:0;margin:0;min-width:0}.lesson-progress li{flex:0 0 auto;position:relative;display:flex;align-items:center;justify-content:center;gap:6px;min-width:26px;min-height:26px;padding:3px;border:2px solid var(--line-strong);border-radius:50%;background:var(--card);color:var(--ink);font:700 .75rem/1.4 var(--font-detail)}.lesson-progress li+li:before{content:"";position:absolute;right:100%;width:9px;height:2px;background:var(--line-strong)}.lesson-progress li[data-state=current]{flex:0 1 auto;min-width:0;max-width:100%;padding:3px 10px;background:var(--gold);color:#294b61;border-color:#294b61;border-radius:99px;box-shadow:2px 2px 0 var(--print-shadow)}.lesson-progress li[data-state=completed]{background:var(--accent);color:var(--paper);border-color:var(--accent)}.lesson-progress .progress-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;font:700 .8rem/1.3 var(--font-main)}.lesson-progress li:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.progress-tooltip{position:fixed;z-index:1000;max-width:min(280px,80vw);padding:7px 11px;border:2px solid var(--line-strong);border-radius:5px;background:var(--card);color:var(--ink);box-shadow:3px 3px 0 var(--leaf-shadow);font:600 .85rem/1.4 var(--font-main);pointer-events:none}.lesson-progress li:not([data-state=current]) .progress-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.assessment-toggle{font-size:.875rem;padding:10px 14px}.assessment-content{padding:16px}.assessment-details,.assessment-diagnostics h3{font-size:.875rem}.assessment-roadmap small{font-size:.8rem}.assessment-roadmap li[data-state=completed]{color:var(--positive)}.form-note,.panel-note,.child-actions .linklike{font-size:.875rem}.lesson-row.locked .row-status{background:transparent}@media (max-width:1150px){.lesson-workspace{grid-template-columns:minmax(0,1.25fr) minmax(340px,1fr);gap:24px}.bar .top-menu{order:2;flex-basis:100%;justify-content:center}.bar-student{margin-left:auto}body.lesson-active main{padding:12px 24px 28px}.mentor-heading{padding:14px 12px;gap:8px}.chat{padding:24px 14px}}@media (max-width:980px){.lesson-head{grid-template-columns:minmax(0,auto) minmax(0,1fr)}.lesson-controls{grid-column:1/-1;grid-row:2;justify-content:flex-start}.lesson-workspace{grid-template-columns:minmax(0,1fr);gap:34px}.conversation-panel{position:static;height:auto;min-height:0}.chat{max-height:520px}.onboarding-shell{grid-template-columns:1fr}.auth-card{justify-self:start;max-width:620px}.profile-layout{grid-template-columns:1fr}.add-child-panel{position:static}}@media (max-width:800px){.bar .brand{font-size:1.2rem}}@media (max-width:700px){.bar{padding:12px 14px;gap:10px}.bar-note{display:none}.top-menu{justify-content:flex-start!important}.top-menu .ghost,#signOut{font-size:.875rem}.bar-student-name{display:block}.bar-student{max-width:150px}.bar-student-avatar{display:none}main,body.lesson-active main{padding:22px 18px 32px}.page-heading{margin-bottom:22px}.lesson-head{grid-template-columns:minmax(0,auto) minmax(0,1fr);gap:6px 12px}.lesson-controls{grid-column:1/-1;grid-row:2;justify-content:flex-start}.lesson-controls #finishLesson{display:block}:root,:root[data-theme]{--page-title-size:1.6rem}.lesson-title-line>.lesson-kicker{display:block}.lesson-shell{gap:10px}.lesson-progress{margin-left:0}.board-interaction{width:calc(100% - 20px);margin-left:10px;margin-right:10px;padding:12px;transform:none}.board-task-kicker{display:block}.board-task-controls>*{max-width:100%}.mentor-heading{padding:14px;grid-template-columns:44px minmax(0,1fr) auto}.mentor-avatar{width:44px;height:44px}.mentor-avatar img{width:86px;height:86px;left:-22px;top:-10px}.mentor-heading strong{font-size:1.25rem}.chat{padding:20px 14px}.response-composer{padding:14px}.msg{font-size:1rem;line-height:1.65}.lesson-grid{gap:22px}.subject-toggle{font-size:1rem}.lesson-row{gap:8px;grid-template-columns:minmax(0,1fr) auto}.row-title-line{flex-wrap:wrap}.row-track{grid-column:1}.row-status{grid-column:2}.modal{padding:20px}.profile-layout{gap:24px}.child-row{gap:12px}.child-actions{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.board-interaction,.msg.child{transform:none}}.lesson-progress li>span:first-child{flex-shrink:0}@media (max-width:540px){:root,:root[data-theme]{--page-title-size:1.4rem}.lesson-grid .lesson-row{grid-template-columns:minmax(0,1fr) 4rem 5rem;gap:6px;padding:10px 8px}body.sunlit-pilot .answer-option{grid-template-columns:minmax(0,1fr)}body.sunlit-pilot .answer-read-aloud{justify-self:center;min-height:30px}body.sunlit-pilot .answer-choice{padding-inline:3px}.lesson-head{column-gap:8px}.lesson-identity{gap:6px}}#childForm .create-student-button{width:auto;justify-self:end}.add-child-panel .add-child{margin-top:8px;padding:14px 16px}#childForm{gap:12px}#childForm label{gap:5px}#childNote:empty{display:none}body.sunlit-pilot .board-interaction:not([hidden])+.answer-choices{margin-top:0}@media (max-width:700px){body.lesson-active main{padding-top:10px;padding-bottom:24px}}@media (min-width:701px){.bar .brand-kart{margin-right:185px}}body.lesson-active{height:calc(100dvh / .9);min-height:0;display:flex;flex-direction:column;overflow:hidden}body.lesson-active>.bar{flex:0 0 auto}body.lesson-active #screen{flex:1 1 0;min-height:0;min-width:0;padding-bottom:12px}body.lesson-active .lesson-shell{display:flex;flex-direction:column;height:100%;min-height:0;gap:10px}body.lesson-active .lesson-head{flex:0 0 auto;margin:0}body.lesson-active .lesson-workspace{flex:1 1 0;min-height:0;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);grid-template-rows:minmax(0,1fr);align-items:stretch;gap:20px}body.lesson-active .lesson-workspace .board-panel,body.lesson-active .lesson-workspace .conversation-panel{position:relative;top:auto;height:100%;min-height:0}body.lesson-active .lesson-workspace .board-panel .board-surface{flex:1 1 0;min-height:0}body.lesson-active .conversation-panel .chat{flex:1 1 0;min-height:0;max-height:none;overscroll-behavior:contain}body.lesson-active .response-composer{flex-shrink:0}body.lesson-active #turnInput{max-height:70px;resize:none}body.lesson-active .assessment-panel{flex:0 0 auto;max-height:25%;overflow:auto}@media (max-height:800px){body.lesson-active .bar{padding-block:8px}body.lesson-active .mentor-heading{padding:8px 12px;min-height:0;grid-template-columns:40px minmax(0,1fr) auto;gap:8px}body.lesson-active .mentor-avatar{width:40px;height:40px}body.lesson-active .mentor-avatar img{width:78px;height:78px;left:-19px;top:-9px}body.lesson-active .chat{padding:14px;gap:16px}body.lesson-active .response-composer{padding:8px 12px}body.lesson-active .composer-footer{margin-top:6px;gap:6px}body.lesson-active .board-interaction{padding:8px 10px;gap:8px}body.lesson-active .board-task-copy p{font-size:.9rem}body.lesson-active .answer-choice{min-height:44px;padding-block:10px 6px}}@media (max-width:700px){body.lesson-active .lesson-workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) minmax(0,1fr);gap:12px}body.lesson-active .lesson-shell{gap:6px}body.lesson-active .lesson-head{padding-top:16px}body.lesson-active .lesson-controls .button{min-height:32px;padding:5px 12px;font-size:.85rem}body.lesson-active .mentor-heading{padding:6px 10px;min-height:0;border-top-width:4px;grid-template-columns:32px minmax(0,1fr) auto}body.lesson-active .mentor-avatar{width:32px;height:32px}body.lesson-active .mentor-avatar img{width:62px;height:62px;left:-15px;top:-7px}body.lesson-active .mentor-heading strong{font-size:1rem}body.lesson-active .mentor-heading small{font-size:.75rem;margin:0}body.lesson-active .response-composer{padding:6px 10px}body.lesson-active .composer-footer{margin-top:4px}body.lesson-active .chat{padding:10px}}.mastery-panel{margin:16px 0 24px;min-width:0}.mastery-panel h4{margin:0 0 6px;font:700 1rem var(--font-main)}.mastery-panel>p{margin:0 0 12px;font-size:.9rem}.mastery-panel>small{display:block;margin-top:10px;color:var(--muted);line-height:1.5}.mastery-lesson{margin:8px 0;border:1px solid var(--line);border-radius:5px;background:var(--card)}.mastery-lesson summary{cursor:pointer;padding:12px 14px;color:var(--ink)}.mastery-lesson summary small{display:block;margin:5px 0 0;color:var(--muted)}.mastery-status{display:inline-block;margin-left:10px;font:600 .8rem var(--font-main);color:var(--accent)}.mastery-objectives{list-style:none;margin:0;padding:0 14px}.mastery-objectives li{padding:12px 0;border-top:1px solid var(--line);overflow-wrap:anywhere}.mastery-step-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:6px;font-size:.9rem}.mastery-objectives p{margin:5px 0;font-size:.875rem}.mastery-objectives small{color:var(--muted)}.mastery-refresher{display:block;margin-top:5px;color:var(--attention)!important}.mastery-next{margin:0;padding:12px 14px;border-top:1px solid var(--line);font-size:.875rem}.catalog-mastery{display:block;margin-top:4px;color:var(--accent)}.lesson-grid .lesson-row{grid-template-columns:minmax(0,1fr) 4.5rem 12.5rem}.lesson-row-actions{grid-column:3;display:flex;align-items:center;justify-content:flex-end;gap:8px}.lesson-row-actions .ghost{display:inline-flex;align-items:center;text-decoration:none}body[data-screen=tpl-exercises] main{max-width:1680px;padding:12px 32px 28px}.exercise-page{width:100%;max-width:none;margin-inline:auto}.exercise-page .page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.exercise-page h1{font:700 1.6rem Manrope,sans-serif;margin:6px 0}.exercise-page .exercise-teacher-grade{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap;margin:4px 0 0;font-size:.85rem;line-height:1.4;color:var(--muted)}.exercise-page .exercise-teacher-grade[hidden]{display:none}.exercise-teacher-grade strong{color:var(--ink);font-weight:700}.exercise-page .card{padding:24px;margin-top:20px}.exercise-page .exercise-content{padding-top:12px}.exercise-panels{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:20px;align-items:start;margin-top:20px}.exercise-panels>.card{margin-top:0}@media (max-width:720px){.exercise-panels{grid-template-columns:1fr}}@media (max-width:700px){body[data-screen=tpl-exercises] main{padding:22px 18px 32px}}.exercise-settings{display:flex;gap:16px;align-items:end;flex-wrap:wrap}.exercise-skills{flex-basis:100%;min-width:0;border:0;padding:0;margin:0}.exercise-skills legend{font-weight:700;margin-bottom:10px}.exercise-skill-options{display:flex;flex-direction:column;gap:8px}.exercise-difficulties{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;margin:14px 0 16px}.exercise-difficulties>span{font-size:.78rem;font-weight:700;color:var(--muted);flex-shrink:0}.exercise-difficulty-options{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0;overflow-x:auto}.exercise-difficulties label{display:inline-flex;align-items:center;gap:5px;padding:7px 10px;border:1px solid var(--line-strong);border-radius:5px;background:var(--input);cursor:pointer;font-size:.8rem}.exercise-difficulties label:has(input:checked){background:var(--tint);border-color:var(--accent);box-shadow:0 2px 0 var(--leaf-shadow)}.exercise-difficulties input{width:15px;height:15px;min-height:0;margin:0;accent-color:var(--accent)}.exercise-settings .exercise-generate{margin-left:auto}.exercise-skill-options label{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:5px;cursor:pointer;background:var(--input)}.exercise-skill-options label:has(input:checked){background:var(--tint);border-color:var(--accent);box-shadow:0 2px 0 var(--leaf-shadow)}.exercise-skill-options input{width:16px;height:16px;min-height:0;padding:0;margin:0;flex-shrink:0;accent-color:var(--accent);box-shadow:none}.exercise-skill-copy{display:grid;gap:2px;min-width:0;flex:1}.exercise-skill-copy strong{font-size:.875rem;line-height:1.35}.exercise-skill-copy small{font-size:.73rem;line-height:1.35;color:var(--muted)}.exercise-skill-grade{font:700 .83rem var(--font-main);color:var(--ink);white-space:nowrap}.exercise-settings p{flex-basis:100%;margin:0}.exercise-question{font:700 1.35rem/1.5 Manrope,sans-serif;white-space:normal}.exercise-prompt-row.compact{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,520px);align-items:start;gap:24px;margin-top:18px}.exercise-prompt-row.compact .exercise-question{margin:0}.exercise-prompt-row.compact .exercise-answer{max-width:none;min-width:0}@media (max-width:850px){.exercise-prompt-row.compact{display:block}.exercise-prompt-row.compact .exercise-question{margin:0 0 16px}}.exercise-question-nav{display:flex;align-items:center;justify-content:space-between;gap:12px}.exercise-question-nav .exercise-count{margin:0}.exercise-question-arrows{display:flex;gap:6px}.exercise-question-arrow{width:32px;height:32px;border:1px solid var(--line);border-radius:5px;background:var(--card);color:var(--ink);font:700 1.4rem/1 Manrope,sans-serif;cursor:pointer}.exercise-question-arrow:hover:not(:disabled){background:var(--tint)}.exercise-question-arrow:disabled{opacity:.35;cursor:default}.exercise-fraction-circle{display:block;width:min(180px,55vw);height:auto;margin:14px 0 18px;filter:drop-shadow(2px 3px 0 var(--leaf-shadow))}.exercise-fraction-slice{fill:var(--card);stroke:var(--ink);stroke-width:2;stroke-linejoin:round}.exercise-fraction-slice.shaded{fill:var(--accent)}.exercise-answer{display:grid;gap:12px;max-width:520px}.exercise-answer label{display:grid;gap:8px}.exercise-answer input{font-size:1.15rem;width:100%;min-width:0}.exercise-answer-error:empty{display:none}.exercise-answer-error{color:var(--danger);font-size:.9rem;font-weight:700;line-height:1.4}.exercise-actions{display:flex;justify-content:flex-end;gap:10px;align-items:center;flex-wrap:nowrap}.exercise-actions>button{white-space:nowrap;flex-shrink:0}@media (max-width:540px){.exercise-actions{gap:6px}.exercise-actions>.button.primary{padding-inline:12px}}.exercise-hint{padding:14px;background:var(--tint);border-radius:5px}.exercise-error:empty{display:none}.exercise-error{color:var(--ink);border-left:3px solid var(--gold);padding-left:12px}.exercise-feedback p{line-height:1.65}.exercise-score{font:700 1.5rem Manrope,sans-serif}.exercise-page .exercise-grade{display:grid;grid-template-columns:minmax(0,1fr) minmax(110px,1fr) minmax(170px,1.2fr);align-items:center;gap:24px;padding:16px 20px;border:1px solid var(--line);box-shadow:none}.exercise-grade-summary{display:grid;gap:5px}.exercise-grade-concept{margin:0}.exercise-grade-result{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}.exercise-grade-number{font:700 1.7rem/1.1 Manrope,sans-serif;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--ink)}.exercise-grade-number.empty{font-size:1rem;line-height:1.3;letter-spacing:0}.exercise-grade-result>span,.exercise-grade-progress>span{font-size:.78rem;color:var(--muted);line-height:1.4}.exercise-grade-progress{display:grid;gap:9px}.exercise-grade-track{display:flex;gap:5px;align-items:center}.exercise-grade-marker{appearance:none;flex:1;min-width:20px;height:24px;border:0;background:none;padding:0;cursor:pointer}.exercise-grade-marker:before{content:"";display:block;width:100%;height:5px;border-radius:2px;background:var(--line);opacity:.65}.exercise-grade-marker.correct:before{background:#23854a;opacity:1}:root[data-theme=dark] .exercise-grade-marker.correct:before{background:#55c97d}.exercise-grade-marker.incorrect:before{background:#c73d38;opacity:1}:root[data-theme=dark] .exercise-grade-marker.incorrect:before{background:#f46b63}.exercise-grade-marker[aria-current=step]:before{height:8px;box-shadow:0 0 0 2px var(--card),0 0 0 3px var(--accent)}.exercise-grade-marker:hover:before{opacity:1}.exercise-grade-marker:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}.exercise-review-link{width:max-content;border:0;background:none;color:var(--ink);font:700 .78rem var(--font-main);text-decoration:underline;text-underline-offset:2px;padding:0;cursor:pointer}.exercise-review-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.exercise-grade-detail{display:grid;gap:6px;margin:0;padding-left:20px;border-left:1px solid var(--line);font-size:.78rem;line-height:1.4}.exercise-grade-detail>div{display:flex;justify-content:space-between;gap:12px}.exercise-grade-detail dt{color:var(--muted)}.exercise-grade-detail dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}@media (max-width:600px){.exercise-page .exercise-grade{grid-template-columns:1fr 1fr;gap:14px 20px;padding:14px 16px}.exercise-grade-detail{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:10px 0 0;grid-template-columns:1fr 1fr;gap:20px}}.exercise-page .exercise-grade[hidden]{display:none}.exercise-answer-mark{font-weight:700}.exercise-correct-answer{font-weight:700;color:var(--ink)}.exercise-review{border-top:1px solid var(--line);padding:16px 0;line-height:1.5}.exercise-review p{margin:8px 0}@media (max-width:1100px){.lesson-grid .lesson-row{grid-template-columns:minmax(0,1fr) 4.5rem}.lesson-row-actions{grid-column:1 / -1;justify-content:flex-end}}@media (max-width:540px){.exercise-page .card{padding:16px}.exercise-page .exercise-content{padding-top:10px}.exercise-page h1{font-size:1.4rem}}.catalog-grades{grid-column:1 / -1;width:100%;margin:4px 0 0}.catalog-grades>summary{padding:8px 10px;font-size:.85rem}.live-lesson-grades{position:relative;min-width:0;max-width:250px}.live-lesson-grades .lesson-grade-details{margin:0;border:0;background:none}.live-lesson-grades summary{padding:4px 8px;font-size:.8rem;list-style:revert}.live-lesson-grades summary small{font-size:.7rem;margin-top:3px}.live-lesson-grades .mastery-objectives{position:absolute;z-index:110;right:0;top:100%;width:min(400px,80vw);max-height:50vh;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:5px;box-shadow:3px 3px 0 var(--leaf-shadow);padding:0 14px}.live-lesson-grades .mastery-next{display:none}.exercise-page details.exercise-settings,.exercise-page details.exercise-history{display:block;padding:14px 16px}.exercise-settings>summary,.exercise-history>summary{cursor:pointer;font-weight:700;font-size:.9rem}.exercise-settings .exercise-skills{margin-top:14px}.exercise-skills .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.exercise-start-row{display:flex;justify-content:flex-end;margin-top:12px}.exercise-history{min-width:0}.exercise-history-count{color:var(--muted)}.exercise-history-list{display:grid;gap:6px;max-height:280px;overflow:auto;padding:4px 3px;margin-top:14px}.exercise-history-item{display:grid;gap:4px;text-align:left;padding:10px 12px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:5px;cursor:pointer}.exercise-history-item[aria-current]{background:var(--tint);border-color:var(--accent)}.exercise-history-item small{font-size:.75rem;color:var(--muted);line-height:1.5}.exercise-confirm{max-width:min(440px,calc(100vw - 32px));color:var(--ink)}.exercise-confirm::backdrop{background:#19241c8c}.exercise-panels[hidden],.exercise-start-row[hidden],.exercise-page details.exercise-settings[hidden]{display:none}.dashboard{max-width:1100px}.dashboard .page-heading{align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}.dashboard-child-picker{display:flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap}.dashboard-child-picker select{min-width:170px;max-width:min(300px,65vw);min-height:40px;padding:6px 12px}.dashboard-tabs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:12px}.dashboard-tabs button{min-height:38px;padding:7px 15px;border:2px solid var(--line-strong);border-radius:99px;background:var(--card);color:var(--ink);font:700 .875rem var(--font-main);cursor:pointer}.dashboard-tabs button:hover{background:var(--tint);transform:translateY(-2px);box-shadow:2px 3px 0 var(--leaf-shadow)}.dashboard-tabs button[aria-pressed=true]{background:var(--gold);border-color:#294b61;color:#1b3142;box-shadow:2px 3px 0 var(--leaf-shadow)}.dashboard-content{display:grid;gap:18px;min-height:140px}.dashboard-section{padding:22px;min-width:0}.dashboard-section h2{margin:0 0 16px;font:700 1.2rem/1.25 var(--font-display)}.dashboard-section>.muted{margin:6px 0;line-height:1.5}.dashboard-facts{display:grid;gap:0;margin:0}.dashboard-facts>div{display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,2fr);gap:16px;padding:12px 0;border-top:1px solid var(--line)}.dashboard-facts>div:first-child{border-top:0}.dashboard-facts dt{color:var(--muted);font-size:.85rem;font-weight:700}.dashboard-facts dd{display:grid;gap:3px;margin:0;min-width:0}.dashboard-facts strong{font-size:1rem;line-height:1.4;color:var(--ink)}.dashboard-facts small{font-size:.78rem;line-height:1.4;color:var(--muted)}.dashboard-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:12px;margin-top:18px}.dashboard-lesson-list,.dashboard-practice-list{display:grid;gap:0}.dashboard-lesson-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line)}.dashboard-lesson-row:first-child{border-top:0}.dashboard-lesson-row>div{display:grid;gap:3px}.dashboard-lesson-row strong{font-size:.9rem}.dashboard-lesson-row small{color:var(--muted);font-size:.78rem}.dashboard-score{white-space:nowrap;font-variant-numeric:tabular-nums}.dashboard .session-row{margin:8px 0;border-radius:6px}.dashboard .session-head{min-width:0;color:var(--ink);font-size:.85rem}.dashboard .session-transcript{max-height:500px;overflow:auto;padding:16px;gap:18px}.dashboard .session-transcript .msg.child{justify-self:end}.dashboard-table{width:100%;border-collapse:collapse;font-size:.84rem}.dashboard-table th,.dashboard-table td{padding:10px 8px;border-top:1px solid var(--line);text-align:left;vertical-align:top}.dashboard-table thead th{color:var(--muted);font-size:.74rem;font-weight:700}.dashboard-table tbody th{font-weight:650;color:var(--ink)}.dashboard-table tbody td{color:var(--ink-2);font-variant-numeric:tabular-nums}.dashboard-table th:not(:first-child),.dashboard-table td:not(:first-child){text-align:right;white-space:nowrap}.dashboard-table.difficulty-table{table-layout:fixed}.dashboard-table.difficulty-table th:first-child{width:38%}.dashboard-table.difficulty-table th:not(:first-child),.dashboard-table.difficulty-table td:not(:first-child){white-space:normal;overflow-wrap:anywhere}.dashboard-table.difficulty-table td strong{font-variant-numeric:tabular-nums}.dashboard-table.difficulty-table td small{display:block;color:var(--muted);font-size:.7rem;line-height:1.3}.dashboard-practice-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}.dashboard-practice-link:first-child{border-top:0}.dashboard-practice-link:hover strong{text-decoration:underline;text-underline-offset:3px}.dashboard-practice-link small{color:var(--muted);font-size:.76rem;text-align:right}.dashboard-grade-group{padding:16px 0;border-top:1px solid var(--line)}.dashboard-grade-group:first-of-type{padding-top:0;border-top:0}.dashboard-grade-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.dashboard-grade-heading h3{margin:0;font:700 1rem var(--font-display)}.dashboard-grade-heading strong{font-variant-numeric:tabular-nums}.dashboard-grade-group>.muted{margin:3px 0 10px;font-size:.78rem}.dashboard-overall-grade{margin:0 0 5px;color:var(--ink);font:700 1.35rem var(--font-display)}.dashboard-data{margin-top:28px;padding:14px 18px}.dashboard-data>summary{cursor:pointer;font-weight:700;font-size:.85rem}.dashboard-data>.muted{margin:12px 0;font-size:.82rem}.dashboard-data .form-note{margin:8px 0 0}@media (max-width:650px){.dashboard .page-heading{align-items:flex-start}.dashboard-child-picker{width:100%;justify-content:space-between}.dashboard-section{padding:16px}.dashboard-facts>div{grid-template-columns:1fr;gap:3px}.dashboard-tabs button{flex:1 1 auto}.dashboard-practice-link{display:grid;gap:4px}.dashboard-practice-link small{text-align:left}.dashboard-table{font-size:.76rem}.dashboard-table th,.dashboard-table td{padding:8px 4px}}.catalog-access-note{margin:0 0 1rem;color:var(--muted,inherit);font-size:.92rem;line-height:1.45}.google-auth{margin-top:1rem;display:grid;gap:.6rem}.google-auth[hidden],.signup-only[hidden],.parent-contact button[hidden]{display:none}.google-auth-separator{text-align:center;color:var(--muted);font-size:.8rem}.google-auth-button{display:inline-flex;justify-self:start;width:max-content;margin:3px 0 8px}.auth-method-divider{height:1px;margin:2px 0 8px;background:var(--line-strong)}.code-auth-form{display:grid;gap:.65rem}.code-auth-form>button{justify-self:end;width:max-content}.code-auth-form[hidden]{display:none}.code-auth-options{display:flex;flex-wrap:wrap;gap:14px;margin:3px 0}.code-auth-options label{position:relative;display:block;cursor:pointer}.code-auth-options input{position:absolute;width:1px;min-height:1px;height:1px;margin:0;opacity:0}.code-auth-options span{display:flex;align-items:center;justify-content:center;min-height:42px;padding:8px 19px;border:2px solid #294b61;border-radius:5px;background:var(--button-gold);color:#294b61;box-shadow:3px 3px 0 var(--button-shadow);font:800 1rem var(--font-main);transform:rotate(2deg);transition:transform .15s,box-shadow .15s}.code-auth-options label:nth-child(2) span{transform:rotate(-1.5deg)}.code-auth-options label:hover span{transform:translateY(-2px) rotate(0);box-shadow:3px 5px 0 var(--button-shadow)}.code-auth-options input:checked+span{outline:2px solid var(--button-ink);outline-offset:2px}.code-auth-options input:focus-visible+span{outline:3px solid var(--button-ink);outline-offset:4px}@media (prefers-reduced-motion:reduce){.code-auth-options span,.code-auth-options label:hover span{transition:none;transform:none}}.code-auth-form input:not([type=radio]){width:100%}.legacy-auth{margin-top:1rem;border-top:1px solid var(--line);padding-top:1rem}.legacy-auth summary{cursor:pointer;color:var(--muted);font-size:.82rem}.legacy-auth form{margin-top:1rem}.parent-contact{margin-top:1rem;padding:1rem;max-width:620px}.account-page .parent-contact{margin:0 auto;padding:20px}.account-continue{display:flex;justify-content:flex-end;margin-top:20px;padding-top:14px;border-top:1px solid var(--line)}.parent-contact summary{cursor:pointer;font-weight:700}.parent-contact form{display:grid;gap:.8rem;margin-top:.85rem}.parent-contact-actions{display:flex;gap:.6rem;justify-content:flex-end;flex-wrap:wrap}.parent-contact input[readonly]{opacity:.7}@media (max-height:719px),(max-width:900px){body.lesson-active{display:block;height:auto;min-height:calc(100dvh / .9);overflow:visible}body.lesson-active .lesson-shell{height:auto}body.lesson-active #screen{flex:none}body.lesson-active .lesson-workspace{flex:0 0 auto;grid-template-rows:auto;align-items:start}body.lesson-active .lesson-workspace .board-panel,body.lesson-active .lesson-workspace .conversation-panel{height:auto}body.lesson-active .lesson-workspace .board-panel .board-surface{flex:0 0 auto;aspect-ratio:4/3;min-height:300px;max-height:640px}body.lesson-active .conversation-panel .chat{flex:0 1 auto;max-height:520px}body.lesson-active .assessment-panel{max-height:none}}@media (max-width:700px){body.lesson-active .lesson-workspace .board-panel:is(.has-quantity-models,.has-vehicle-formations,.has-fraction-diagrams) .board-surface{aspect-ratio:auto;max-height:none}body.lesson-active .lesson-workspace .board-panel.has-quantity-models .board-surface{flex:0 0 320px}body.lesson-active .lesson-workspace .board-panel.has-quantity-models.has-multiple-models .board-surface{flex-basis:440px}body.lesson-active .lesson-workspace .board-panel.has-vehicle-formations .board-surface{flex:0 0 620px}body.lesson-active .lesson-workspace .board-panel.has-vehicle-formations.has-multiple-models .board-surface{flex-basis:800px}body.lesson-active .lesson-workspace .board-panel.has-fraction-diagrams .board-surface{flex:0 0 clamp(320px,50svh,440px)}}.lesson-progress li.progress-jump{cursor:pointer}.lesson-progress li.progress-jump:hover,.lesson-progress li.progress-jump:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.lesson-progress li[data-state=skipped]{border-style:dashed}
