@font-face{font-family:Fable Condensed;font-style:normal;font-weight:600;font-display:swap;src:url(/app/fonts/roboto-condensed-semibold.ttf)format("truetype")}.subject-nav{z-index:20;background:var(--ui-nav);border-bottom:1px solid var(--ui-line);color:var(--ui-text);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:env(safe-area-inset-top,0px) max(22px,env(safe-area-inset-right,0px)) 0 max(22px,env(safe-area-inset-left,0px));font-family:Avenir Next,Avenir,Segoe UI,sans-serif;position:sticky;top:0}.subject-nav .subject-nav-inner{align-items:center;gap:20px;max-width:1180px;min-height:84px;margin:auto;display:flex}.subject-nav button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;min-height:44px;margin:0}.subject-nav .subject-nav-identity{align-items:center;gap:12px;min-width:0;display:flex}.subject-nav .subject-nav-brand{text-align:left;flex-shrink:0;align-items:center;gap:12px;padding:4px 0;display:flex}.subject-nav-brand img{width:40px;height:40px;display:block}.subject-nav-brand strong{letter-spacing:-.045em;font:600 1.4rem/1.1 Georgia,serif;display:block}.subject-nav-brand small{letter-spacing:.13em;margin-top:5px;font:500 .56rem/1.5 Avenir Next,sans-serif;display:block}.subject-nav .subject-nav-links{border:1px solid var(--ui-line);background:var(--ui-soft);border-radius:14px;gap:6px;margin-left:auto;padding:4px;display:flex}.subject-nav .subject-nav-links button{white-space:nowrap;border-radius:10px;justify-content:center;align-items:center;gap:9px;padding:9px 17px;font-size:.83rem;font-weight:600;display:flex}.subject-nav-links svg{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:18px;height:18px}.subject-nav .subject-nav-links button[aria-current=page]{background:var(--ui-primary);color:var(--ui-on-primary);box-shadow:0 2px 4px #1e38271a}.subject-nav .subject-nav-links button:hover:not([aria-current]){background:var(--ui-soft)}.subject-nav .subject-nav-type{border:1px solid var(--ui-line);border-radius:50%;flex-shrink:0;width:44px;font-family:Georgia,serif;font-size:.95rem}.subject-nav .subject-nav-type[aria-pressed=true]{background:var(--ui-primary);color:var(--ui-on-primary)}.subject-nav button:focus-visible{outline-offset:3px;outline:3px solid #af572b}@media (width<=900px){.subject-nav{padding-inline:max(20px,env(safe-area-inset-left)) max(20px,env(safe-area-inset-right));position:relative}.subject-nav .subject-nav-inner{grid-template-columns:1fr auto;gap:14px 12px;padding-block:17px 14px;display:grid}.subject-nav .subject-nav-identity{grid-row:1}.subject-nav-brand strong{font-size:1.45rem}.subject-nav .subject-nav-type{grid-area:1/2}.subject-nav .subject-nav-links{grid-area:2/1/auto/-1;gap:4px;width:100%;margin:0}.subject-nav .subject-nav-links button{flex:1;padding:8px 10px;font-size:.8rem}.subject-nav-brand small{font-size:.55rem}}html[data-high-contrast=true] .subject-nav{background:var(--ui-surface);color:var(--ui-text);border-color:#395342}@media (width<=360px){.subject-nav .subject-nav-links button{gap:6px;padding-inline:8px;font-size:.74rem}.subject-nav-links svg{width:16px;height:16px}}.subject-access-badge{letter-spacing:.07em;border:1px solid var(--ui-line);background:var(--ui-soft);white-space:nowrap;border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;width:max-content;padding:5px 7px;display:inline-flex;color:var(--ui-muted)!important;font:700 .52rem/1.2 Avenir Next,Avenir,sans-serif!important}.subject-access-badge.is-unlocked{background:var(--ui-primary);border-color:var(--ui-primary);color:var(--ui-on-primary)!important}.subject-card-label{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.subject-nav .subject-nav-brand>.subject-access-badge{align-self:center;margin-left:2px}.subject-nav-wordmark{grid-template-columns:auto auto;align-items:center;gap:5px 6px;display:grid}.subject-nav-wordmark strong{white-space:nowrap;grid-column:1/-1}.subject-nav-wordmark small{letter-spacing:.07em;margin:0;font-size:.48rem}.subject-nav-wordmark .subject-access-badge{padding:3px 4px;font-size:.43rem!important}.subject-nav .membership-tier-badge{text-align:left;border:1px solid var(--ui-primary);background:var(--ui-primary);min-width:60px;max-width:160px;color:var(--ui-on-primary);letter-spacing:-.015em;word-spacing:-.035em;border-radius:8px;align-content:center;gap:3px;padding:7px 10px;font-family:Fable Condensed,Avenir Next Condensed,Arial Narrow,sans-serif;font-weight:600;font-stretch:75%;line-height:1.15;display:grid}.membership-tier-kicker{letter-spacing:.035em;font-size:.6rem}.membership-tier-subjects{overflow-wrap:normal;font-size:.85rem}@media (width<=900px){.subject-nav.has-membership{position:sticky}.subject-nav .subject-nav-inner{grid-template-columns:minmax(0,1fr) auto}.subject-nav-brand strong{font-size:1.3rem}.subject-nav .subject-nav-brand{gap:8px}.subject-nav-brand img{width:34px;height:34px}.subject-nav.has-membership .subject-nav-inner{gap:8px;padding-block:10px}.subject-nav.has-membership .subject-nav-identity{grid-column:1/-1;justify-content:space-between;gap:10px}.subject-nav.has-membership.has-type-control .subject-nav-links{grid-column:1}.subject-nav.has-membership .subject-nav-type{grid-area:2/2}.subject-nav .membership-tier-badge{min-width:54px;max-width:180px;padding:7px 8px}.membership-tier-subjects{font-size:.8rem}}@media (width<=360px){.subject-nav.has-membership.has-type-control .subject-nav-links svg{display:none}.subject-nav .membership-tier-badge{padding-inline:6px}.subject-nav-wordmark small{font-size:.43rem}.subject-nav.has-membership .subject-nav-wordmark small{display:none}.subject-nav.has-membership .subject-nav-wordmark .subject-access-badge{justify-self:start}}.adaptive-lesson .clue-and-answers{grid-template-columns:minmax(0,1fr);padding-top:0}.adaptive-lesson .clue-copy,.adaptive-lesson .clue-answer-column{min-width:0}.adaptive-lesson .lesson-companion{margin-top:1rem}.adaptive-lesson .answer-pane-heading{text-transform:uppercase;letter-spacing:.08em;color:var(--signal);margin:0 0 .65rem;font-size:.76rem;font-weight:800}.adaptive-lesson .checkpoint-prompt{overflow-wrap:anywhere}.adaptive-lesson .answer-option{min-height:52px}.adaptive-lesson .clue-copy:focus-visible,.adaptive-lesson .clue-answer-column:focus-visible{outline-offset:-4px;outline:3px solid #167f9e}.adaptive-lesson:not([data-arrangement=single]) .clue-copy,.adaptive-lesson:not([data-arrangement=single]) .clue-answer-column{z-index:10;overscroll-behavior:contain;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:1rem;scroll-padding:1rem;position:fixed;overflow:auto}.adaptive-lesson:not([data-arrangement=single]) .clue-copy{left:calc(var(--primary-x) + max(.5rem, var(--primary-safe-left)));top:calc(var(--primary-y) + 5rem + var(--primary-safe-top));width:calc(var(--primary-width) - max(.5rem, var(--primary-safe-left)) - max(.5rem, var(--primary-safe-right)));height:calc(var(--primary-height) - 5.5rem - var(--primary-safe-top) - var(--primary-safe-bottom))}.adaptive-lesson:not([data-arrangement=single]) .clue-answer-column{left:calc(var(--secondary-x) + max(.5rem, var(--secondary-safe-left)));top:calc(var(--secondary-y) + 5rem + var(--secondary-safe-top));width:calc(var(--secondary-width) - max(.5rem, var(--secondary-safe-left)) - max(.5rem, var(--secondary-safe-right)));height:calc(var(--secondary-height) - 5.5rem - var(--secondary-safe-top) - var(--secondary-safe-bottom))}.adaptive-lesson[data-arrangement=tabletop] .clue-answer-column{top:calc(var(--secondary-y) + .5rem);height:calc(var(--secondary-height) - 1rem - var(--secondary-safe-bottom))}.adaptive-lesson[data-arrangement=tabletop] .clue-copy{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-content:start;gap:.25rem .5rem;display:grid}.adaptive-lesson[data-arrangement=tabletop] .clue-copy>*{grid-column:1/-1}.adaptive-lesson[data-arrangement=tabletop] .clue-copy>.lesson-nav{grid-column:1;margin:0}.adaptive-lesson[data-arrangement=tabletop] .lesson-nav>span,.adaptive-lesson[data-arrangement=tabletop] .student-lesson-heading .eyebrow{display:none}.adaptive-lesson[data-arrangement=tabletop] .clue-copy>.student-lesson-heading{text-align:right;grid-column:2;justify-content:flex-end;margin:0}.adaptive-lesson[data-arrangement=tabletop] .student-lesson-heading h1{font-size:1.2rem}.adaptive-lesson[data-arrangement=tabletop] .question-progress{margin:0}.adaptive-lesson[data-arrangement=tabletop] .question-progress-bar{height:4px;margin:0}.adaptive-lesson[data-arrangement=tabletop] #checkpoint-title{margin:.15rem 0;font-size:1.1rem}.adaptive-lesson[data-arrangement=tabletop] .checkpoint-prompt{margin:.2rem 0 .5rem;font-size:1.05rem;line-height:1.5}.adaptive-lesson:not([data-arrangement=single]) .checkpoint-panel{box-shadow:none;background:0 0;border:0;padding:0}.adaptive-lesson:not([data-arrangement=single]) .lesson-nav{flex-wrap:wrap;justify-content:space-between;gap:.4rem;margin-bottom:.5rem;display:flex}.adaptive-lesson:not([data-arrangement=single]) .lesson-nav>div{display:none}.adaptive-lesson:not([data-arrangement=single]) .lesson-nav>.text-button{flex:0 auto}.adaptive-lesson:not([data-arrangement=single]) .student-lesson-heading h1{font-size:1.6rem}.adaptive-lesson:not([data-arrangement=single]) .answer-choices{grid-template-columns:minmax(0,1fr)}.adaptive-lesson[data-arrangement=tabletop] .answer-choices:not(.long-choices){grid-template-columns:repeat(2,minmax(0,1fr))}.adaptive-lesson:not([data-arrangement=single]) .checkpoint-actions{flex-flow:wrap;display:flex}.adaptive-lesson:not([data-arrangement=single]) .checkpoint-actions>button{flex:140px;min-height:48px}.adaptive-lesson:not([data-arrangement=single]) .feedback-card{gap:.5rem;padding:1rem}.app-frame[data-constrained=true]{left:var(--frame-x);top:var(--frame-y);width:var(--frame-width);height:var(--frame-height);min-height:0;position:fixed;overflow:auto}.app-frame[data-constrained=true] .app-header{min-height:calc(4rem + var(--frame-safe-top));padding:calc(.45rem + var(--frame-safe-top)) max(.6rem, var(--frame-safe-right)) .45rem max(.6rem, var(--frame-safe-left));gap:.4rem}.app-frame[data-constrained=true] .header-context{gap:.35rem}.app-frame[data-constrained=true] .platform-chip{display:none}.app-frame[data-constrained=true] .brand{gap:.25rem;font-size:.78rem}.app-frame[data-constrained=true] .learner-chip{max-width:6rem;overflow:hidden}.app-frame[data-constrained=true] .settings-modal,.app-frame[data-constrained=true] .discovery-backdrop{inset:auto;left:var(--overlay-x);top:var(--overlay-y);width:var(--overlay-width);height:var(--overlay-height);padding:.5rem}.app-frame[data-constrained=true] .discovery-dialog{flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.app-frame[data-constrained=true] .settings-dialog{height:100%;max-height:100%}.help-overlay[data-constrained=true]{padding:.5rem;inset:auto}.help-overlay[data-constrained=true] .help-dialog{min-height:0;max-height:100%}.help-overlay[data-constrained=true] .help-dialog .walkthrough-header{padding:.65rem .8rem}.help-overlay[data-constrained=true] .help-dialog .walkthrough-header h2{font-size:1.2rem}.help-overlay[data-constrained=true] .help-dialog .walkthrough-header .eyebrow{display:none}.help-overlay[data-constrained=true] .help-dialog .help-exit{padding-bottom:max(.35rem, var(--overlay-safe-bottom))}.app-frame[data-constrained=true] .discovery-layout{flex-direction:row;flex:1;gap:.5rem;min-height:0;padding:.5rem;display:flex}.app-frame[data-constrained=true] .discovery-preview{flex:0 0 34%;min-width:0;padding:0}.app-frame[data-constrained=true] .discovery-media{width:100%;height:auto;max-height:calc(var(--overlay-height) - 10rem)}.app-frame[data-constrained=true] .discovery-controls{flex:1;min-height:0;overflow:auto}.app-frame[data-constrained=true] .discovery-style-list{grid-template-columns:1fr;gap:.4rem;display:grid}.app-frame[data-constrained=true] .discovery-style{min-height:48px;margin:0;padding:.4rem}.app-frame[data-constrained=true] .discovery-style-icon,.app-frame[data-constrained=true] .discovery-style small{display:none}.app-frame[data-constrained=true] .discovery-heading{padding:.6rem;position:static}.app-frame[data-constrained=true] .discovery-heading .eyebrow{display:none}.app-frame[data-constrained=true] .discovery-heading h2{font-size:1.3rem}.app-frame[data-constrained=true] .discovery-preview .text-button{max-width:none;position:static}.app-frame[data-constrained=true] .discovery-actions{background:var(--paper);padding:.5rem 0;position:sticky;bottom:0}@media (width<=650px){.app-frame[data-constrained=true] .course-grid{grid-template-columns:repeat(2,minmax(min(82%,22rem),1fr))}.adaptive-lesson[data-arrangement=single]{padding-top:.75rem}.adaptive-lesson[data-arrangement=single] .checkpoint-panel{padding:.8rem}}.shared-library{max-width:1224px;padding:44px 22px max(70px,env(safe-area-inset-bottom));color:var(--ui-text);margin:auto;font-family:Avenir Next,Avenir,Segoe UI,sans-serif;line-height:1.6}.shared-library *{box-sizing:border-box}.shared-library button{font:inherit;color:inherit;cursor:pointer;min-height:44px}.shared-library .sl-eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--ui-muted);margin:0 0 8px;font:600 .65rem/1.7 Avenir Next,sans-serif}.shared-library .sl-intro{margin-bottom:30px}.shared-library .sl-intro h1{letter-spacing:-.045em;margin:0 0 14px;font:400 clamp(2.6rem,4vw,3.6rem)/1.05 Georgia,serif}.shared-library .sl-intro>p:last-child{color:var(--ui-muted);margin:0;font-size:.95rem}.shared-library .sl-worlds{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;display:grid}.shared-library .sl-world{border:1px solid var(--ui-line);background:var(--ui-surface);text-align:left;opacity:1;border-radius:14px;grid-template-columns:36% minmax(0,1fr);align-items:stretch;padding:0;transition:border-color .2s,box-shadow .2s;display:grid;overflow:hidden}.shared-library .sl-world[aria-pressed=true]{border-color:var(--ui-primary);box-shadow:0 0 0 2px var(--ui-primary),0 10px 28px #173d2714}.shared-library .sl-world:hover{box-shadow:0 0 0 2px #76927a}.sl-world>img{object-fit:cover;object-position:center;width:100%;height:100%;min-height:235px;display:block}.shared-library .sl-world-copy{flex-direction:column;gap:11px;padding:23px;display:flex}.sl-world-copy small{letter-spacing:.1em;text-transform:uppercase;color:var(--ui-muted);font-size:.59rem}.sl-world-copy strong{letter-spacing:-.035em;font:400 1.9rem/1.1 Georgia,serif}.sl-world-copy>span{font-size:.82rem;line-height:1.55}.sl-world-copy em{color:var(--ui-muted);margin-top:auto;font-size:.66rem;font-style:normal}.sl-world-copy b{color:var(--ui-primary);font-size:.72rem;font-weight:600}.shared-library .sl-premise{border-bottom:1px solid var(--ui-line);align-items:center;gap:36px;padding:26px 0 30px;display:flex}.sl-premise>div{max-width:850px}.sl-premise p:last-child{margin:0;font-size:.85rem;line-height:1.7}.sl-premise>span{min-width:150px;max-width:220px;color:var(--ui-muted);margin-left:auto;font:italic .95rem/1.6 Georgia,serif}.shared-library .sl-season-picker{justify-content:space-between;align-items:center;gap:30px;padding:30px 0;display:flex}.sl-season-picker h2{margin:0;font:400 1.7rem Georgia,serif}.shared-library .sl-grades{gap:10px;display:flex}.shared-library .sl-grades button{border:1px solid var(--ui-line);background:var(--ui-surface);text-align:left;opacity:1;border-radius:11px;min-width:116px;padding:13px 20px}.sl-grades strong{font-size:.88rem;display:block}.sl-grades span{font-size:.67rem;display:block}.shared-library .sl-grades button[aria-pressed=true]{background:var(--ui-primary);color:var(--ui-on-primary);border-color:var(--ui-primary)}.shared-library .sl-chapters{border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:16px;overflow:hidden}.shared-library .sl-season-heading{background:var(--ui-soft);align-items:center;gap:30px;padding:27px 30px;display:flex}.sl-season-heading>div{flex:1}.sl-season-heading h2{letter-spacing:-.025em;margin:0 0 12px;font:400 2rem/1.12 Georgia,serif}.sl-season-heading p:last-child{max-width:720px;margin:0;font-size:.83rem}.shared-library .sl-progress-toggle{border:1px solid var(--ui-line);white-space:nowrap;background:0 0;border-radius:30px;justify-content:center;align-items:center;gap:10px;padding:10px 15px;font-size:.73rem;display:flex}.sl-progress-toggle>span:first-child{font-variant-numeric:tabular-nums}.sl-progress{border-top:1px solid var(--ui-line);flex-wrap:wrap;gap:10px 24px;padding:20px 30px;font-size:.8rem;display:flex}.sl-progress p{color:var(--ui-muted);flex-basis:100%;margin:0}.shared-library .sl-chapter{border-top:1px solid var(--ui-line);grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:24px;padding:25px 30px;display:grid}.sl-number{color:var(--ui-muted);align-self:start;margin-top:3px;font:400 1.8rem Georgia,serif}.sl-chapter-meta{color:var(--ui-muted);align-items:center;gap:12px;min-height:22px;font-size:.63rem;display:flex}.sl-free{background:var(--ui-soft);color:var(--ui-primary);border-radius:20px;padding:1px 9px}.shared-library .sl-chapter h3{letter-spacing:-.025em;margin:7px 0 10px;font:400 1.5rem/1.15 Georgia,serif}.sl-chapter-copy>p{max-width:770px;margin:0 0 8px;font-size:.85rem;line-height:1.65}.sl-chapter-copy>small{color:var(--ui-muted);font-size:.72rem;line-height:1.6;display:block}.sl-access{color:var(--ui-muted);margin-top:12px;font-size:.65rem;font-weight:600;display:block}.shared-library .sl-open{border:1px solid var(--ui-line);opacity:1;background:0 0;border-radius:25px;justify-content:center;align-items:center;gap:14px;min-width:100px;padding:10px 17px;font-size:.73rem;display:flex}.shared-library .sl-open:not(:disabled):hover{background:var(--ui-primary);color:var(--ui-on-primary)}.shared-library .sl-open:disabled{color:var(--ui-muted);background:var(--ui-soft);cursor:default}.shared-library button:focus-visible{outline-offset:4px;outline:3px solid #b66332}.fable-app .shared-library{padding-inline:0}.fable-app .app-frame.subject-content-frame{padding-top:0}.app-frame:has(>.app-content>.shared-library){background:var(--ui-bg)}@media (width<=800px){.shared-library .sl-world-copy{gap:9px;padding:18px}.sl-world-copy strong{font-size:1.6rem}.sl-world-copy>span{font-size:.76rem}.sl-world>img{min-height:230px}.shared-library .sl-season-heading{flex-direction:column;align-items:flex-start;gap:16px}.sl-premise>span{display:none}}@media (width<=600px){.shared-library{padding:30px 20px 60px}.shared-library .sl-intro{margin-bottom:26px}.shared-library .sl-intro h1{font-size:2.65rem}.shared-library .sl-intro>p:last-child{max-width:30em;font-size:.86rem}.shared-library .sl-worlds{grid-template-columns:1fr;gap:17px}.shared-library .sl-world{grid-template-columns:32% minmax(0,1fr)}.sl-world>img{min-height:192px}.shared-library .sl-world-copy{gap:8px;padding:17px 18px}.sl-world-copy strong{font-size:1.7rem}.sl-world-copy small{font-size:.55rem}.sl-world-copy>span{font-size:.76rem}.sl-world-copy em,.sl-world-copy b{font-size:.63rem}.shared-library .sl-premise{padding:24px 0}.sl-premise p:last-child{font-size:.8rem}.shared-library .sl-season-picker{padding:25px 0;display:block}.sl-season-picker>div:first-child{margin-bottom:16px}.shared-library .sl-grades{gap:8px}.shared-library .sl-grades button{flex:1;min-width:0;padding:12px 14px}.shared-library .sl-season-heading{padding:22px 19px}.sl-season-heading h2{font-size:1.85rem}.sl-season-heading p:last-child{font-size:.8rem}.shared-library .sl-chapter{grid-template-columns:26px minmax(0,1fr);gap:10px 14px;padding:22px 18px}.sl-number{font-size:1.4rem}.shared-library .sl-chapter h3{font-size:1.42rem}.sl-chapter-copy>p{font-size:.8rem}.shared-library .sl-open{grid-column:2;justify-self:start;min-width:105px}.sl-chapter-copy>small{font-size:.68rem}.sl-progress{padding:20px}}html[data-high-contrast=true] .shared-library{color:var(--ui-text)}.shared-library button[aria-pressed=true]{outline-offset:4px}@media (prefers-reduced-motion:reduce){.shared-library *{transition:none!important}}.shared-library .sl-back{background:0 0;border:0;min-height:44px;padding:0 0 16px;font-size:.85rem;font-weight:600}.sl-story-heading{align-items:center;gap:22px;display:flex}.sl-story-heading img{object-fit:cover;border-radius:8px;width:72px;height:100px}.sl-story-heading h1{letter-spacing:-.04em;margin:0 0 10px;font:400 clamp(2rem,4vw,3.1rem)/1.08 Georgia,serif}.sl-story-heading p:last-child{margin:0;font-size:.84rem}.sl-about{padding:22px 0;font-size:.85rem}.sl-about summary{cursor:pointer;min-height:44px;padding-block:10px}.shared-library h1:focus{outline:none}.settings-page-heading{padding:0 24px 16px}.settings-page-heading h1{margin:15px 0;font:400 2.4rem/1.1 Georgia,serif}.family-settings-shell .settings-page{background:0 0}.family-settings-shell .settings-content{padding-top:0}.theme-note{color:var(--ink-soft);margin-top:5px;font-size:.75rem;font-weight:400;display:block}@media (width<=600px){.sl-story-heading{gap:16px}.sl-story-heading img{width:54px;height:78px}.sl-story-heading h1{font-size:1.9rem}.sl-story-heading p:last-child{font-size:.76rem}.sl-story-heading .sl-eyebrow{font-size:.57rem}.sl-season-picker h2{font-size:1.35rem}.shared-library .sl-season-picker{padding:18px 0}.shared-library .sl-season-picker>div:first-child{display:none}.settings-page-heading{padding-inline:13px}.settings-page-heading h1{font-size:2.15rem}}.discovery-backdrop{z-index:120;padding:max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));background:#0f1f1fc2;place-items:center;display:grid;position:fixed;inset:0}.discovery-dialog{overscroll-behavior:contain;background:var(--paper);width:min(940px,100%);max-height:100%;color:var(--ink);border:1px solid var(--line);border-radius:24px;overflow-y:auto;box-shadow:0 25px 90px #0005}.discovery-heading{z-index:1;background:var(--paper);border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.4rem 1.65rem 1rem;display:flex;position:sticky;top:0}.discovery-heading .eyebrow{margin:0 0 .45rem;font-size:.64rem}.discovery-heading h2{letter-spacing:-.04em;margin:0;font-family:Georgia,serif;font-size:clamp(1.7rem,4vw,2.2rem)}.discovery-close{border:1px solid var(--line);background:var(--paper-deep);border-radius:50%;flex:0 0 44px;height:44px;font-size:1.65rem;line-height:1}.discovery-layout{grid-template-columns:minmax(0,.85fr) minmax(0,1fr);gap:2rem;padding:1.5rem 1.65rem 1.7rem;display:grid}.discovery-preview{text-align:center;min-width:0}.discovery-media{aspect-ratio:9/16;background:#163d42;border-radius:18px;width:100%;max-width:318px;margin:auto;position:relative;overflow:hidden;box-shadow:0 10px 32px #173c4226}.discovery-media canvas,.discovery-media img,.discovery-media video{object-fit:contain;width:100%;height:100%;display:block}.discovery-loading{color:#fff7e4;width:100%;font-size:.9rem;position:absolute;top:45%}.discovery-preview-note{color:var(--ink-soft);max-width:290px;margin:.9rem auto .2rem;font-size:.75rem;line-height:1.5}.discovery-preview .text-button{min-height:44px}.discovery-controls{min-width:0}.discovery-style-list,.discovery-format{border:0;min-width:0;margin:0 0 1.2rem;padding:0}.discovery-controls legend{margin-bottom:.65rem;font-size:.84rem;font-weight:750}.discovery-style{border:1px solid var(--line);cursor:pointer;border-radius:13px;align-items:center;gap:.75rem;margin:.5rem 0;padding:.8rem;display:flex}.discovery-style.selected{border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal);background:#e4eee6}.discovery-style input{accent-color:var(--signal);flex-shrink:0}.discovery-style-icon{color:#163d42;background:#f6d277;border-radius:10px;flex:0 0 33px;place-items:center;width:33px;height:33px;font-size:1.6rem;font-weight:900;display:grid}.discovery-style:nth-of-type(2) .discovery-style-icon{background:#f3b19c}.discovery-style:nth-of-type(3) .discovery-style-icon{background:#d3bce1}.discovery-style strong{font-size:.85rem;display:block}.discovery-style small{color:var(--ink-soft);margin-top:.22rem;font-size:.72rem;line-height:1.45;display:block}.discovery-format{flex-wrap:wrap;gap:.6rem 1rem;display:flex}.discovery-format label{cursor:pointer;align-items:center;gap:.4rem;min-height:44px;font-size:.8rem;display:flex}.discovery-format input,.discovery-parent input{width:18px;height:18px;accent-color:var(--signal)}.discovery-parent{border:1px solid var(--line);background:var(--paper-deep);border-radius:13px;padding:1rem}.discovery-parent>strong{font-size:.83rem}.discovery-parent p,.discovery-parent label{font-size:.75rem;line-height:1.65}.discovery-parent p{color:var(--ink-soft);margin:.4rem 0 .7rem}.discovery-parent label{cursor:pointer;align-items:flex-start;gap:.65rem;display:flex}.discovery-parent input{flex:0 0 18px;margin:.2rem 0 0}.discovery-actions{flex-wrap:wrap;gap:.6rem;margin-top:1rem;display:flex}.discovery-actions button{flex:auto;justify-content:center;min-height:48px}.discovery-hint{color:var(--ink-soft);margin:.7rem 0 0;font-size:.72rem;line-height:1.6}.discovery-notice{color:#403013;background:#fff0c4;border-radius:10px;padding:.7rem .9rem;font-size:.8rem;line-height:1.6}.discovery-making{font-size:.8rem;line-height:1.5}.discovery-making progress{width:100%;accent-color:var(--signal)}.discovery-share-invitation{border-top:1px solid #a5cabb;margin-top:1rem;padding-top:.8rem}.discovery-share-invitation .secondary-button{min-height:44px}.discovery-share-invitation small{color:var(--ink-soft);margin-top:.4rem;line-height:1.5;display:block}@media (width<=650px){.discovery-backdrop{padding:max(.5rem, env(safe-area-inset-top)) max(.5rem, env(safe-area-inset-right)) max(.5rem, env(safe-area-inset-bottom)) max(.5rem, env(safe-area-inset-left))}.discovery-dialog{border-radius:18px;flex-direction:column;height:100%;min-height:0;display:flex;overflow:hidden}.discovery-heading{flex:none;align-items:center;padding:.6rem .85rem;position:static}.discovery-heading .eyebrow{display:none}.discovery-heading h2{font-size:1.4rem}.discovery-layout{flex-direction:column;flex:auto;gap:0;min-height:0;padding:0;display:flex}.discovery-preview{border-bottom:1px solid var(--line);background:var(--paper-deep);flex:none;padding:.6rem .85rem .4rem;position:relative}.discovery-media{border-radius:12px;width:auto;max-width:100%;height:clamp(140px,25dvh,220px)}.discovery-preview-note{max-width:none;margin:.4rem 0 0;font-size:.65rem;line-height:1.4}.discovery-preview .text-button{max-width:80px;padding:.35rem;font-size:.7rem;position:absolute;top:.45rem;right:.45rem}.discovery-controls{overscroll-behavior:contain;flex:auto;min-height:0;padding:.7rem .85rem 0;overflow-y:auto}.discovery-style-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:.4rem;margin-bottom:.5rem;display:grid}.discovery-controls legend{margin-bottom:.35rem;font-size:.75rem}.discovery-style{border-radius:10px;gap:.35rem;min-height:48px;margin:0;padding:.4rem}.discovery-style input{margin:0}.discovery-style-icon,.discovery-style small{display:none}.discovery-style strong{font-size:.72rem;line-height:1.25}.discovery-format{margin-bottom:.5rem}.discovery-format legend{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.discovery-format label{font-size:.75rem}.discovery-parent{border-radius:10px;padding:.65rem}.discovery-parent>strong{font-size:.75rem}.discovery-parent p,.discovery-parent label{font-size:.7rem;line-height:1.5}.discovery-parent p{margin:.3rem 0 .5rem}.discovery-actions{z-index:1;background:var(--paper);box-shadow:0 -6px 10px var(--paper);margin-top:.5rem;padding:.5rem 0;position:sticky;bottom:0}.discovery-hint{margin:.35rem 0 .65rem;font-size:.65rem}}@media (width<=650px) and (height<=550px){.discovery-layout{flex-direction:row}.discovery-preview{border-bottom:0;border-right:1px solid var(--line);flex:0 0 36%;min-width:0}.discovery-media{height:min(52dvh,230px)}.discovery-preview .text-button{max-width:none;position:static}.discovery-style-list{grid-template-columns:1fr}}.fable-app *,.fable-app :before,.fable-app :after{box-sizing:border-box}.fable-app{margin:0}.fable-app button,.fable-app input,.fable-app select{font:inherit}.fable-app button,.fable-app a,.fable-app input,.fable-app select{-webkit-tap-highlight-color:transparent}.fable-app button{cursor:pointer}.fable-app button:disabled{cursor:default;opacity:.55}.fable-app img{max-width:100%;display:block}.fable-app h1,.fable-app h2,.fable-app h3,.fable-app p{margin-top:0}.fable-app a{color:inherit;text-underline-offset:.25em}.fable-app fieldset{border:0;min-width:0;margin:0;padding:0}.fable-app :focus-visible{outline-offset:5px;outline:3px solid #b35224}.fable-app h1:focus{outline:none}.fable-app{color:#213b34;font-synthesis:none;background:#f6f3eb;font-family:Avenir Next,Avenir,Segoe UI,sans-serif;line-height:1.6}html[data-text-scale=large] .fable-app{font-size:20px}.fable-app{min-width:280px}.fable-app button,.fable-app select{min-height:44px}.fable-app button{color:inherit;background:0 0;border:0}.fable-app h1,.fable-app h2,.fable-app h3{line-height:1.08}.fable-app h1{letter-spacing:-.055em;font-family:Georgia,Times New Roman,serif;font-weight:400}.fable-app h2,.fable-app h3{letter-spacing:-.025em}.fable-app .eyebrow{letter-spacing:.12em;text-transform:uppercase;font-family:SFMono-Regular,Consolas,monospace;font-size:.64rem;font-weight:600;line-height:1.7}.fable-app .fine,.fable-app .source-note{opacity:.82;font-size:.73rem;line-height:1.65}.fable-app .sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.fable-app .primary{background:var(--ink,#244c40);color:var(--paper,#f6f3eb);border:1px solid var(--ink,#244c40);border-radius:5px;justify-content:space-between;align-items:center;gap:28px;padding:15px 23px;font-size:.87rem;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex}.fable-app .primary:not(:disabled):hover{box-shadow:0 5px 0 color-mix(in srgb, var(--ink) 15%, transparent);transform:translateY(-2px)}.fable-app .text-button{text-underline-offset:5px;padding:6px 0;font-size:.79rem;font-weight:600;text-decoration:underline}.fable-app .error-page{max-width:600px;margin:10vh auto;padding:40px}.fable-app{min-height:100dvh;color:var(--ink);background:var(--paper)}.fable-app .app-frame{padding:env(safe-area-inset-top,0px) max(22px, env(safe-area-inset-right,0px)) env(safe-area-inset-bottom,0px) max(22px, env(safe-area-inset-left,0px))}.fable-app .app-header{color:inherit;box-shadow:none;border-bottom:1px solid color-mix(in srgb,var(--ink) 23%,transparent);background:0 0;justify-content:space-between;align-items:center;gap:14px;max-width:1256px;min-height:0;margin:auto;padding:25px 0 20px;display:flex;position:static;top:auto}.fable-app .brand-button{text-align:left;align-items:center;gap:11px;padding:0;display:flex}.fable-app .brand-button img{width:40px;height:40px}.fable-app .brand-button>span{letter-spacing:-.045em;font-size:1.3rem;font-weight:750;line-height:1.1}.fable-app .brand-button small{letter-spacing:.13em;text-transform:uppercase;margin-top:4px;font:500 .54rem/1.7 SFMono-Regular,Consolas,monospace;display:block}.fable-app .app-header nav{align-items:center;gap:20px;display:flex}.fable-app .type-button{border:1px solid #0000;border-radius:50%;padding:3px 10px;font-family:Georgia,serif}.fable-app .type-button[aria-pressed=true]{border-color:currentColor}.fable-app .family-button{align-items:center;gap:24px;font-size:.78rem;font-weight:650;display:flex}.fable-app .chapter-home{grid-template-columns:1.02fr 1fr;gap:54px 50px;max-width:1256px;margin:0 auto;padding-top:64px;display:grid}.fable-app .chapter-library-back{grid-column:1/-1;justify-self:start;margin-bottom:-38px}.fable-app .story-library{max-width:1256px;margin:0 auto;padding:48px 0 70px}.fable-app .story-library-hero{border-bottom:1px solid color-mix(in srgb,var(--ink) 25%,transparent);grid-template-columns:1.35fr .65fr;align-items:center;gap:40px;padding-bottom:36px;display:grid}.fable-app .story-library-hero h1{margin:10px 0 17px;font-size:clamp(3rem,6vw,5.8rem)}.fable-app .story-library-hero p:not(.eyebrow){max-width:38rem;font-size:1rem}.fable-app .story-library-hero img{aspect-ratio:2/3;object-fit:cover;border:9px solid color-mix(in srgb,var(--paper) 75%,white);width:100%;max-height:370px;box-shadow:0 15px 30px #182c241e}.fable-app .story-steps{flex-wrap:wrap;gap:13px;margin:26px 0 0;padding:0;list-style:none;display:flex}.fable-app .story-steps li{border:1px solid color-mix(in srgb,var(--ink) 45%,transparent);border-radius:30px;padding:8px 13px;font-size:.73rem}.fable-app .story-seasons{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:29px 0;display:grid}.fable-app .story-seasons button{text-align:left;border:1px solid color-mix(in srgb,var(--ink) 30%,transparent);border-radius:7px;padding:17px 20px}.fable-app .story-seasons button.selected{background:var(--ink);color:var(--paper)}.fable-app .story-seasons strong,.fable-app .story-seasons small{display:block}.fable-app .story-seasons strong{margin:3px 0;font:1.55rem Georgia,serif}.fable-app .story-seasons small{font-size:.69rem}.fable-app .story-season-heading{justify-content:space-between;align-items:end;gap:20px;margin:12px 0 18px;display:flex}.fable-app .story-season-heading h2{margin-bottom:6px;font:2.1rem Georgia,serif}.fable-app .story-season-heading p:last-child{margin:0;font-size:.78rem}.fable-app .story-season-heading>span{white-space:nowrap;font-size:.7rem}.fable-app .story-chapter-row{border-top:1px solid color-mix(in srgb,var(--ink) 24%,transparent);grid-template-columns:55px minmax(0,1fr) 52px;align-items:center;gap:20px;padding:24px 15px;display:grid}.fable-app .story-chapter-index{opacity:.75;font:2rem Georgia,serif}.fable-app .story-chapter-row h3{margin:4px 0 7px;font:1.45rem Georgia,serif}.fable-app .story-chapter-row p:not(.eyebrow){margin-bottom:7px;font-size:.82rem}.fable-app .story-chapter-row small,.fable-app .story-chapter-row strong{font-size:.66rem;line-height:1.6;display:block}.fable-app .story-chapter-row strong{text-transform:uppercase;letter-spacing:.06em;margin-top:7px}.fable-app .story-chapter-row.locked{background:color-mix(in srgb,var(--ink) 4%,var(--paper))}.fable-app .story-open{border:1px solid;border-radius:50%;width:46px;height:46px;font-size:1.2rem}.fable-app .hero-copy{align-self:center;padding-top:5px}.fable-app .chapter-eyebrow{align-items:center;gap:10px;margin-bottom:30px;font-size:.65rem;font-weight:650;display:flex}.fable-app .tiny-star{font-size:1.5rem}.fable-app .hero-copy>.eyebrow{opacity:.8;margin-bottom:14px}.fable-app .hero-copy h1{max-width:12ch;margin-bottom:26px;font-size:clamp(2.8rem,5.2vw,4.9rem)}.fable-app .title-dot{color:color-mix(in srgb,var(--ink) 45%,var(--accent))}.fable-app .invitation{opacity:.9;max-width:34em;font-size:.99rem;line-height:1.75}.fable-app .hero-actions{flex-wrap:wrap;align-items:center;gap:24px;margin-top:30px;display:flex}.fable-app .chapter-meta{font-size:.64rem;line-height:1.8}.fable-app .progress-strip{border-top:1px solid color-mix(in srgb,var(--ink) 20%,transparent);justify-content:space-between;align-items:center;gap:12px;margin-top:30px;padding-top:17px;font-size:.65rem;display:flex}.fable-app .progress-dots{flex-shrink:0;gap:7px;display:flex}.fable-app .progress-dots i{border:1px solid var(--ink);border-radius:50%;width:7px;height:7px}.fable-app .progress-dots .filled{background:var(--ink)}.fable-app .hero-art{border:1px solid color-mix(in srgb,var(--ink) 24%,transparent);align-self:center;padding:12px;position:relative;transform:rotate(1deg)}.fable-app .hero-art>img{aspect-ratio:2/3;object-fit:cover;width:100%}.fable-app .art-caption{justify-content:space-between;gap:12px;padding:12px 2px 0;font:.58rem/1.6 SFMono-Regular,Consolas,monospace;display:flex}.fable-app .art-stamp{border:1px solid var(--ink);outline:5px solid var(--paper);background:var(--accent);color:#263b30;letter-spacing:.04em;text-align:center;border-radius:50%;justify-content:center;align-items:center;width:86px;height:86px;font:650 .55rem/1.5 SFMono-Regular,Consolas,monospace;display:flex;position:absolute;bottom:70px;right:-16px;transform:rotate(12deg)}.fable-app .home-bottom{border-top:1px solid color-mix(in srgb,var(--ink) 25%,transparent);border-bottom:1px solid color-mix(in srgb,var(--ink) 25%,transparent);grid-column:1/-1;grid-template-columns:.9fr 1.15fr 1fr;gap:35px;padding:27px 0;display:grid}.fable-app .home-bottom>div:not(:first-child){border-left:1px solid color-mix(in srgb,var(--ink) 18%,transparent);padding-left:30px}.fable-app .home-bottom .eyebrow{margin-bottom:12px;font-size:.57rem}.fable-app .home-bottom h2{margin-bottom:7px;font:400 1.6rem/1.2 Georgia,serif}.fable-app .home-bottom p:not(.eyebrow),.fable-app .home-bottom li,.fable-app .home-bottom a{font-size:.75rem;line-height:1.75}.fable-app .home-bottom p:last-child{margin-bottom:0}.fable-app .home-bottom ul{margin:0;padding-left:17px}.fable-app .app-footer{opacity:.8;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;max-width:1256px;margin:auto;padding:27px 0;font-size:.58rem;display:flex}.fable-app .footer-divider{opacity:.4;margin:0 10px}.fable-app .app-footer p{flex-basis:100%;font-size:.8rem}.fable-app .investigation{gap:35px;max-width:1220px;margin:0 auto;padding:34px 0 10px;display:grid}.fable-app .investigation.two-panes{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.fable-app .story-pane,.fable-app .reference-pane{min-width:0}.fable-app .story-pane{padding:0 15px}.fable-app .investigation-top{justify-content:space-between;align-items:center;gap:14px;margin-bottom:27px;display:flex}.fable-app .investigation-top .eyebrow{margin:0}.fable-app .location-label{text-transform:uppercase;letter-spacing:.06em;opacity:.8;font:.65rem/1.5 SFMono-Regular,Consolas,monospace}.fable-app .story-pane h1{margin-bottom:22px;font-size:clamp(2rem,3.6vw,3.4rem)}.fable-app .story-prose{font-family:Georgia,serif;font-size:1.02rem;line-height:1.95}.fable-app .story-prose p:first-child:first-letter{font-size:2.4em;line-height:.8}.fable-app .story-prose p{margin-bottom:1.3em}.fable-app .character-note{align-items:center;gap:12px;padding:17px 0 26px;display:flex}.fable-app .character-mark{background:var(--ink);color:var(--paper);border-radius:50%;place-items:center;width:41px;height:41px;font:italic 1.4rem Georgia,serif;display:grid}.fable-app .character-note p{margin:0;font-size:.68rem}.fable-app .revisit-list{flex-direction:column;align-items:flex-start;padding-top:27px;display:flex}.fable-app .revisit-list button{text-align:left;text-underline-offset:4px;font-size:.8rem;text-decoration:underline}.fable-app .evidence-board{background:color-mix(in srgb,var(--ink) 6%,var(--paper));border:1px solid color-mix(in srgb,var(--ink) 18%,transparent);border-radius:8px;padding:26px}.fable-app .evidence-heading h2{margin-bottom:24px;font-family:Georgia,serif;font-size:1.7rem;font-weight:400}.fable-app .evidence-heading .eyebrow{font-size:.58rem}.fable-app .evidence-card{border-top:1px solid color-mix(in srgb,var(--ink) 24%,transparent);padding:20px 0}.fable-app .evidence-card .eyebrow{margin-bottom:9px;font-size:.56rem}.fable-app .evidence-card h3{margin-bottom:11px;font-size:.94rem;line-height:1.35}.fable-app .evidence-card>p:not(.eyebrow){margin-bottom:0;font-size:.85rem;line-height:1.85}.fable-app .evidence-card small{margin-top:12px;font-size:.69rem;font-style:italic;display:block}.fable-app .source-note{margin:0;padding-top:15px;font-size:.63rem}.fable-app .evidence-map{aspect-ratio:720/400;object-fit:cover;border-radius:4px;margin-bottom:18px}.fable-app .evidence-tabs{flex-wrap:wrap;gap:4px;margin-bottom:14px;display:flex}.fable-app .evidence-tabs button{border-bottom:2px solid #0000;padding:8px;font-size:.67rem}.fable-app .evidence-tabs [aria-pressed=true]{border-color:var(--ink);font-weight:700}.fable-app .clue-narrative{font-family:Georgia,serif;font-size:.98rem;font-style:italic;line-height:1.8}.fable-app .activity-card{padding-top:6px}.fable-app .activity-card h2{margin-bottom:22px;font-size:1.05rem;font-weight:650;line-height:1.6}.fable-app .choices{gap:12px;display:grid}.fable-app .choice{border:1px solid color-mix(in srgb,var(--ink) 23%,transparent);background:color-mix(in srgb,var(--paper) 55%,white);cursor:pointer;border-radius:6px;align-items:center;gap:13px;padding:16px;font-size:.85rem;display:flex;position:relative}.fable-app .choice input{opacity:0;width:1px;height:1px;position:absolute}.fable-app .choice:has(:focus-visible){outline:3px solid var(--ink);outline-offset:3px}.fable-app .choice.selected{border-color:var(--ink);background:color-mix(in srgb,var(--accent) 22%,var(--paper));box-shadow:inset 3px 0 var(--ink)}.fable-app .choice-letter{border:1px solid color-mix(in srgb,var(--ink) 35%,transparent);border-radius:50%;flex-shrink:0;place-items:center;width:28px;height:28px;font:.65rem SFMono-Regular,Consolas,monospace;display:grid}.fable-app .choice.selected .choice-letter{background:var(--ink);color:var(--paper)}.fable-app .clue-actions{flex-wrap:wrap;align-items:center;gap:22px;margin:25px 0 12px;display:flex}.fable-app .hint,.fable-app .feedback{border-left:3px solid var(--ink);background:color-mix(in srgb,var(--accent) 17%,var(--paper));margin:18px 0;padding:15px 19px}.fable-app .hint p,.fable-app .feedback p{margin:6px 0;font-size:.85rem;line-height:1.8}.fable-app .feedback strong{font-size:.95rem}.fable-app .feedback .primary{margin-top:16px}.fable-app .try-again{border-left-style:dashed}.fable-app .number-answer{font-size:.8rem;font-weight:650;display:block}.fable-app .number-answer>div{align-items:center;gap:18px;margin-top:12px;display:flex}.fable-app .number-answer input{border:1px solid var(--ink);color:#263d35;background:#fffaf0;border-radius:5px;width:150px;max-width:60%;padding:14px;font:1.8rem Georgia,serif}.fable-app .ordering ol{padding-left:28px}.fable-app .ordering li{margin-bottom:10px;padding-left:6px;font-size:.84rem}.fable-app .ordering li>span{display:inline}.fable-app .ordering li button{min-width:44px;margin-left:6px;font-size:1.4rem}.fable-app .order-bank{flex-direction:column;gap:10px;display:flex}.fable-app .order-bank button{text-align:left;border:1px dashed color-mix(in srgb,var(--ink) 45%,transparent);border-radius:3px;padding:13px;font-size:.83rem}.fable-app .empty-slot{border:1px dashed var(--ink);opacity:.7;padding:20px;font-size:.78rem}.fable-app .budget-totals{border-block:1px solid var(--ink);text-transform:uppercase;justify-content:space-between;gap:8px;padding:16px 0;font-size:.62rem;display:flex}.fable-app .budget-totals b{font:2rem Georgia,serif;display:block}.fable-app .budget .over-budget{color:#a72626}.fable-app .budget fieldset{padding:12px 0}.fable-app .budget label{cursor:pointer;align-items:center;gap:10px;min-height:48px;padding:10px 0;font-size:.8rem;display:flex}.fable-app .budget label b{white-space:nowrap;margin-left:auto;font:.8rem monospace}.fable-app .budget input{width:20px;height:20px;accent-color:var(--ink);flex-shrink:0}.fable-app .program{gap:16px;display:grid}.fable-app .robot-grid{gap:6px;width:100%;max-width:330px;margin-inline:auto;display:grid}.fable-app .robot-grid span{aspect-ratio:1;color:#554674;background:#f6f3ff;border:1px solid #968bbb;border-radius:7px;place-items:center;font-size:1.7rem;display:grid}.fable-app .robot-grid .puddle{color:#263a60;background:#8badd1}.fable-app .robot-grid .trail{color:#303c20;background:#c9e993}.fable-app .direction-pad{justify-content:center;gap:9px;display:flex}.fable-app .direction-pad button{border:1px solid var(--ink);border-radius:4px;min-width:48px;font-size:1.3rem}.fable-app .direction-pad small{font:.65rem monospace;display:block}.fable-app .command-line{overflow-wrap:anywhere;background:color-mix(in srgb,var(--ink) 9%,var(--paper));border:1px solid color-mix(in srgb,var(--ink) 25%,transparent);min-height:56px;margin-block:16px 7px;padding:13px;font:.8rem/1.8 monospace;display:block}.fable-app .inline-actions{justify-content:space-between;display:flex}.fable-app .inline-actions button{text-underline-offset:4px;font-size:.8rem;text-decoration:underline}.fable-app .trace-message{font-size:.8rem}.fable-app .field-lab{border:1px solid color-mix(in srgb,var(--ink) 30%,transparent);background:#eef0d9;border-radius:5px;margin-top:13px;padding:18px}.fable-app .lab-title{align-items:center;gap:10px;display:flex}.fable-app .lab-title h3{margin:0;font-size:.9rem}.fable-app .field-lab p,.fable-app .field-lab label{font-size:.75rem}.fable-app .field-lab>p{margin-top:12px}.fable-app .field-lab small{font-size:.6rem;display:block}.fable-app .field-lab input{width:100%;min-height:44px;accent-color:var(--ink);display:block}.fable-app .jars{justify-content:space-evenly;margin:25px 0 38px;display:flex}.fable-app .jar{border:2px solid #73917c;border-radius:4px 4px 15px 15px;width:60px;height:75px;padding-top:18px;position:relative}.fable-app .jar-water{color:#275531;background:#6c965d;border-radius:0 0 13px 13px;justify-content:center;align-items:center;height:100%;display:flex}.fable-app .jar small{text-align:center;width:100%;position:absolute;top:78px}.fable-app .lab-result{border-top:1px dashed #829879;padding-top:12px}.fable-app .ending{max-width:750px;margin:45px auto 30px}.fable-app .ending-mark{text-align:center;color:color-mix(in srgb,var(--ink) 40%,var(--accent));font-size:4rem}.fable-app .ending>.eyebrow,.fable-app .ending h1{text-align:center}.fable-app .ending h1{margin-bottom:35px;font-size:clamp(2.8rem,5vw,4.5rem)}.fable-app .takeaway{border:1px solid var(--ink);background:color-mix(in srgb,var(--accent) 15%,var(--paper));margin:30px 0;padding:22px}.fable-app .takeaway p{margin:8px 0 0}.fable-app .discovery-list{padding:0;list-style:none}.fable-app .discovery-list li{border-bottom:1px solid color-mix(in srgb,var(--ink) 20%,transparent);justify-content:space-between;align-items:center;gap:15px;padding:13px 0;font-size:.83rem;display:flex}.fable-app .discovery-list small{font-size:.62rem}.fable-app .ending-actions{flex-wrap:wrap;align-items:center;gap:24px;margin-top:30px;display:flex}.fable-app .ending-actions a{font-size:.8rem}.fable-app .family-panel{max-width:750px;margin:30px auto;padding-bottom:30px}.fable-app .family-panel>.eyebrow{margin-top:30px}.fable-app .family-panel h1{font-size:clamp(2.5rem,5vw,4rem)}.fable-app .family-panel>p{font-size:.95rem}.fable-app .family-card{border-top:1px solid var(--ink);padding-block:25px}.fable-app .family-card h2{font:1.7rem Georgia,serif}.fable-app .family-card p,.fable-app .family-card a{font-size:.84rem}.fable-app .family-card form{gap:15px;display:grid}.fable-app .family-card label{font-size:.85rem;display:block}.fable-app .family-card input:not([type=checkbox]),.fable-app .family-card select{border:1px solid var(--ink);color:#263d35;background:#fffaf0;border-radius:5px;width:100%;margin-top:8px;padding:13px;display:block}.fable-app .family-card .consent-check{gap:12px;margin:20px 0;display:flex}.fable-app .consent-check input{width:22px;height:22px;accent-color:var(--ink);flex-shrink:0}.fable-app .family-message,.fable-app .storage-alert{border:1px solid var(--ink);padding:15px;font-size:.8rem}.fable-app .family-message{margin-top:20px}.fable-app .storage-alert{color:#653621;background:#fff0d1}.fable-app .storage-alert button{margin-left:10px;text-decoration:underline}.fable-app .fable-library{max-width:1280px;margin:auto;padding:0 35px}.fable-app .fable-library header{border-bottom:1px solid #c4c9b7;justify-content:space-between;align-items:center;gap:20px;padding-block:28px;display:flex}.fable-app .family-wordmark{letter-spacing:-.07em;font:italic 2.7rem Georgia,serif;text-decoration:none}.fable-app .family-wordmark span{letter-spacing:0;margin-left:15px;font:.66rem Avenir Next,sans-serif}.fable-app .pilot-tag{letter-spacing:.08em;border:1px solid #788778;border-radius:20px;padding:9px 13px;font:.6rem monospace}.fable-app .fable-library main{padding-top:60px}.fable-app .fable-library main>h1{margin:20px 0 25px;font-size:clamp(3.7rem,8vw,7rem);line-height:.98}.fable-app .fable-library main>h1 em{color:#a95c38}.fable-app .library-intro{max-width:540px;margin-bottom:45px;font-size:.95rem}.fable-app .series-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));gap:28px;display:grid}.fable-app .series-card{color:var(--ink);background:var(--paper);border:1px solid #ccd0bf;padding:10px;text-decoration:none;transition:transform .2s}.fable-app .series-card:hover{transform:translateY(-5px)}.fable-app .card-art{position:relative;overflow:hidden}.fable-app .card-art>img{aspect-ratio:2/3;object-fit:cover;width:100%}.fable-app .series-number{color:#fff;background:#283a3655;border:1px solid #fff8;border-radius:50%;padding:7px;font:.64rem monospace;position:absolute;top:12px;left:12px}.fable-app .card-body{padding:20px 13px 15px}.fable-app .card-brand{align-items:center;gap:10px;display:flex}.fable-app .card-brand img{width:32px}.fable-app .card-brand h2{margin:0;font-size:1.2rem}.fable-app .card-brand>span{margin-left:auto}.fable-app .card-body p{margin:13px 0;font-size:.83rem}.fable-app .card-subject{font:.62rem monospace}.fable-app .fable-library footer{padding:38px 0;font-size:.65rem}.fable-app.science .hero-art{border-radius:140px 140px 5px 5px;padding:13px}.fable-app.science .hero-art>img{border-radius:130px 130px 0 0}.fable-app.science .evidence-board{background-image:repeating-linear-gradient(0deg,#0000,#0000 29px,#6b896c0c 30px)}.fable-app.science .hero-copy h1{font-style:italic}.fable-app.words .app-header{border-bottom:3px double var(--ink)}.fable-app.words .chapter-home{column-gap:65px}.fable-app.words .chapter-eyebrow{border-block:1px solid var(--ink);padding-block:8px}.fable-app.words .hero-copy h1{letter-spacing:-.065em;font-weight:700}.fable-app.words .hero-art{border:0;margin-right:12px;padding:0;transform:rotate(-2deg);box-shadow:12px 12px #e4bdaf}.fable-app.words .hero-art img{aspect-ratio:1/1.04}.fable-app.words .art-caption{color:#f4d9bc;background:#792f48;padding:13px}.fable-app.words .art-stamp{background:#efbe69;border-radius:0;right:-22px;transform:rotate(7deg)}.fable-app.words .primary{border-radius:0}.fable-app.words .evidence-board{border:0;border-top:4px double var(--ink);border-bottom:4px double var(--ink);background:#f6e6d8;border-radius:0}.fable-app.words .evidence-card>p:not(.eyebrow){font-family:Georgia,serif;font-size:1.03rem}.fable-app.history .hero-art{border:5px double #9a7955;grid-area:2/1;transform:rotate(-1deg)}.fable-app.history .hero-copy{grid-area:2/2}.fable-app.history .hero-copy h1{font-size:clamp(2.8rem,4.8vw,4.6rem)}.fable-app.history .art-stamp{color:#ffedca;background:#a15239;border-color:#ffdfae;outline-color:#e4ca9e}.fable-app.history .primary{border-radius:2px}.fable-app.history .evidence-board{background:#e6d6b7;border-radius:0 14px 5px 5px}.fable-app.history .evidence-card{background:#f6ecd4;border:1px solid #c8b18a;margin-top:18px;padding:16px;box-shadow:4px 4px #c4ab8655}.fable-app.history .evidence-card .eyebrow{border-bottom:1px solid #c8b18a;padding-bottom:7px}.fable-app.atlas .chapter-home{background-image:linear-gradient(#44706608 1px,#0000 1px),linear-gradient(90deg,#44706608 1px,#0000 1px);background-size:32px 32px}.fable-app.atlas .hero-copy h1{letter-spacing:-.065em;font-family:Avenir Next,Segoe UI,sans-serif;font-size:clamp(2.8rem,4.7vw,4.8rem);font-weight:800}.fable-app.atlas .hero-art{border:10px solid #f7f3dc;padding:0;transform:rotate(2deg);box-shadow:0 7px 22px #37524b1a}.fable-app.atlas .art-caption{background:#f7f3dc;padding:12px 4px 3px}.fable-app.atlas .art-stamp{color:#fff1d6;background:#cc583c;border-color:#fff1d6;transform:rotate(-12deg)}.fable-app.atlas .primary{color:#fff7ec;background:#c55235;border-color:#c55235}.fable-app.atlas .evidence-board{border-top:7px solid #cb6345;border-radius:3px}.fable-app.code .hero-copy h1{font-family:Avenir Next,Segoe UI,sans-serif;font-size:clamp(2.8rem,4.7vw,4.6rem);font-weight:750}.fable-app.code .chapter-eyebrow{color:#c9ee75;font-family:monospace}.fable-app.code .title-dot{color:#c9ee75}.fable-app.code .primary{color:#242337;background:#c9ee75;border-color:#c9ee75;border-radius:7px}.fable-app.code .hero-art{background:#302c48;border-radius:22px;padding:12px;transform:none;box-shadow:0 16px 50px #12102344}.fable-app.code .hero-art>img{border-radius:12px}.fable-app.code .art-stamp{color:#242337;background:#c9ee75;border-radius:10px;outline-color:#242337;transform:rotate(-7deg)}.fable-app.code .evidence-board{background:#302d46;border-radius:12px}.fable-app.code .evidence-card .eyebrow{color:#c9ee75}.fable-app.code .evidence-card p{font-family:SFMono-Regular,Consolas,monospace;font-size:.74rem}.fable-app.code .choice{background:#302d46}.fable-app.code .choice.selected{background:#424052}.fable-app.code .choice.selected .choice-letter{color:#242337;background:#c9ee75}.fable-app.code .feedback,.fable-app.code .hint,.fable-app.code .takeaway{background:#343d38;border-color:#c9ee75}.fable-app.code .trace-message{color:#c9ee75}.fable-app.markets .chapter-home{column-gap:65px}.fable-app.markets .hero-copy h1{font-style:italic;font-weight:600}.fable-app.markets .hero-art{background:#64384a;border:0;border-radius:120px 120px 4px 4px;padding:0;transform:rotate(-1deg)}.fable-app.markets .hero-art>img{border-radius:120px 120px 0 0}.fable-app.markets .art-caption{color:#f4d9bc;padding:17px}.fable-app.markets .art-stamp{color:#763724;background:#f4bd66;border-radius:12px;transform:rotate(9deg)}.fable-app.markets .primary{color:#fff0de;background:#9e4930;border-color:#9e4930;border-radius:30px}.fable-app.markets .evidence-board{background:#fff9eb;border:1px dashed #c19a70;border-radius:0;box-shadow:7px 7px #c59c7220}.fable-app.markets .evidence-card{border-top:1px dashed #c19a70}.fable-app.markets .evidence-card .eyebrow{font-family:monospace}.fable-app .native-regions{z-index:5;background:var(--paper);max-width:none;margin:0;padding:0;position:fixed;inset:0}.fable-app .native-regions>.story-pane{left:var(--primary-x);top:var(--primary-y);width:var(--primary-width);height:var(--primary-height);padding:max(20px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));position:absolute;overflow:auto}.fable-app .native-regions>.reference-pane{left:var(--secondary-x);top:var(--secondary-y);width:var(--secondary-width);height:var(--secondary-height);padding:20px;position:absolute;overflow:auto}.fable-app .native-regions.tabletop>.story-pane{left:var(--secondary-x);top:var(--secondary-y);width:var(--secondary-width);height:var(--secondary-height)}.fable-app .native-regions.tabletop>.reference-pane{left:var(--primary-x);top:var(--primary-y);width:var(--primary-width);height:var(--primary-height)}.fable-app .native-regions.single{left:var(--primary-x);top:var(--primary-y);width:var(--primary-width);height:var(--primary-height);display:block;overflow:auto}.fable-app .native-regions.single>.story-pane,.fable-app .native-regions.single>.reference-pane{width:auto;height:auto;position:static}.fable-app .safe-overlay{left:var(--safe-x);top:var(--safe-y);width:var(--safe-width);height:var(--safe-height);z-index:6;background:var(--paper);margin:0;padding:24px;display:block;position:fixed;overflow:auto}.fable-app .safe-overlay .hero-art{margin-top:30px}.fable-app .safe-overlay .home-bottom{margin-top:30px;display:block}.fable-app .safe-overlay .home-bottom>div{border:0;padding:15px 0}.fable-app .constrained-footer{display:none}@media (width>=1500px){.fable-app .chapter-home{padding-top:75px}}@media (width<=900px){.fable-app .chapter-home{gap:35px;padding-top:40px}.fable-app .home-bottom{gap:20px}.fable-app .home-bottom>div:not(:first-child){padding-left:20px}.fable-app .hero-actions{gap:15px}.fable-app .hero-copy h1{font-size:3rem}.fable-app .chapter-meta{font-size:.58rem}.fable-app .art-stamp{width:67px;height:67px;font-size:.44rem;right:-10px}.fable-app .evidence-board{padding:18px}.fable-app .story-pane{padding:0}}@media (width<=650px){.fable-app .story-library{padding-top:25px}.fable-app .story-library-hero{grid-template-columns:1fr;gap:20px}.fable-app .story-library-hero h1{font-size:3.5rem}.fable-app .story-library-hero img{width:auto;max-height:270px}.fable-app .story-seasons{gap:6px}.fable-app .story-seasons button{padding:10px 8px}.fable-app .story-seasons strong{font-size:1.1rem}.fable-app .story-seasons small{font-size:.56rem}.fable-app .story-season-heading{display:block}.fable-app .story-season-heading h2{font-size:1.65rem}.fable-app .story-chapter-row{grid-template-columns:35px minmax(0,1fr) 43px;gap:10px;padding-inline:4px}.fable-app .story-chapter-index{font-size:1.3rem}.fable-app .story-chapter-row h3{font-size:1.2rem}.fable-app .story-open{width:40px;height:40px}.fable-app .story-steps li{font-size:.63rem}.fable-app .app-frame{padding-inline:max(20px,env(safe-area-inset-left)) max(20px,env(safe-area-inset-right))}.fable-app .app-header{padding-block:17px 16px}.fable-app .brand-button img{width:33px;height:33px}.fable-app .brand-button>span{font-size:1.12rem}.fable-app .brand-button small{font-size:.44rem}.fable-app .app-header nav{gap:4px}.fable-app .family-button{gap:8px;font-size:.68rem}.fable-app .type-button{padding:4px 8px}.fable-app .chapter-home{grid-template-columns:1fr;row-gap:30px;padding-top:26px}.fable-app .hero-copy{padding:0}.fable-app .chapter-eyebrow{margin-bottom:17px}.fable-app .hero-copy h1,.fable-app.history .hero-copy h1,.fable-app.code .hero-copy h1,.fable-app.atlas .hero-copy h1{max-width:14ch;font-size:clamp(2.7rem,11vw,4rem)}.fable-app .hero-copy>.eyebrow{font-size:.56rem}.fable-app .invitation{font-size:.89rem}.fable-app .hero-actions{margin-top:24px}.fable-app .primary{gap:20px;padding:14px 18px;font-size:.8rem}.fable-app .chapter-meta{font-size:.59rem}.fable-app .progress-strip{margin-top:21px}.fable-app .hero-art{margin-inline:2px}.fable-app .hero-art>img,.fable-app.words .hero-art img{aspect-ratio:2/3}.fable-app .art-stamp{width:76px;height:76px;font-size:.5rem;bottom:52px;right:-8px}.fable-app .art-caption{font-size:.52rem}.fable-app.history .hero-art,.fable-app.history .hero-copy{grid-area:auto}.fable-app .home-bottom{grid-template-columns:1fr;gap:23px;padding:22px 0}.fable-app .home-bottom>div:not(:first-child){border-left:0;border-top:1px solid color-mix(in srgb,var(--ink) 18%,transparent);padding-top:20px;padding-left:0}.fable-app .home-bottom h2{font-size:1.4rem}.fable-app .app-footer{gap:8px;padding:22px 0}.fable-app .app-footer>span{width:100%}.fable-app .investigation{padding-top:22px}.fable-app .investigation:not(.native-regions){grid-template-columns:1fr}.fable-app .story-pane h1{font-size:2.45rem}.fable-app .investigation-top{margin-bottom:18px}.fable-app .story-prose{font-size:1rem}.fable-app .clue-narrative{font-size:.93rem}.fable-app .activity-card h2{font-size:1rem}.fable-app .choice{padding:14px 12px;font-size:.81rem}.fable-app .evidence-board{padding:20px}.fable-app .clue-actions{gap:17px}.fable-app .evidence-tabs button{font-size:.7rem}.fable-app .ending{margin-top:20px}.fable-app .ending h1{font-size:2.8rem}.fable-app .discovery-list li{font-size:.76rem}.fable-app .family-card strong{overflow-wrap:anywhere}.fable-app .fable-library{padding:0 20px}.fable-app .fable-library header{padding-block:20px}.fable-app .family-wordmark span{display:none}.fable-app .fable-library main{padding-top:35px}.fable-app .fable-library main>.eyebrow{font-size:.57rem}.fable-app .fable-library main>h1{font-size:4.3rem}.fable-app .library-intro{font-size:.86rem}.fable-app .series-grid{gap:23px}}@media (prefers-reduced-motion:reduce){.fable-app *,.fable-app :before,.fable-app :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (forced-colors:active){.fable-app .choice.selected{border:3px solid highlight}.fable-app .progress-dots .filled{background:highlight}.fable-app .hero-art{border:1px solid canvastext}}.fable-app .evidence-jump{margin:0 0 14px}.fable-app .library-heading{max-width:740px;margin:36px 0 28px}.fable-app .library-heading h1{margin-bottom:16px;font-size:clamp(2.8rem,5vw,4.5rem)}.fable-app .library-heading p{font-size:1rem}.fable-app .world-shelf{grid-template-columns:1fr 1fr;gap:28px;margin:26px 0 44px;display:grid}.fable-app .world-book{text-align:left;border:1px solid color-mix(in srgb,var(--ink) 25%,transparent);background:#fffaf1;border-radius:12px;grid-template-columns:42% 1fr;align-items:center;gap:22px;padding:0;display:grid;overflow:hidden;box-shadow:0 8px 25px #182f2510}.fable-app .world-book.selected{outline:3px solid var(--ink);outline-offset:4px}.fable-app .world-book img{object-fit:cover;width:100%;height:100%;min-height:250px}.fable-app .world-book-copy{gap:12px;padding:20px 20px 20px 0;display:grid}.fable-app .world-book-copy small{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem}.fable-app .world-book-copy strong{font:1.65rem/1.08 Georgia,serif}.fable-app .world-book-copy span{font-size:.8rem}.fable-app .world-book-copy em{opacity:.8;font-size:.65rem;font-style:normal}.fable-app .world-premise{text-align:center;max-width:760px;margin:36px auto 42px}.fable-app .world-premise h2{font:2rem/1.2 Georgia,serif}.fable-app .world-premise p{font-size:1rem}.fable-app .world-premise>span{font-size:.8rem}.fable-app .season-evidence{background:#fffaf2;border:1px solid #aaa;flex-wrap:wrap;gap:20px;padding:24px;display:flex}.fable-app .season-evidence p{flex-basis:100%;margin:0}.fable-app .reading-cover{object-fit:cover;object-position:center 44%;border-radius:9px;width:100%;max-height:400px;margin:20px 0 32px}.fable-app .subject-prewarm{border-left:3px solid var(--accent);background:#fff8e8;margin:28px 0;padding:24px}.fable-app .subject-prewarm h2{font:1.6rem Georgia,serif}.fable-app .subject-prewarm li{margin-bottom:10px}.fable-app .subject-help-actions{flex-wrap:wrap;gap:18px;margin-top:16px;display:flex}.fable-app .subject-help-overlay{z-index:150;padding:max(18px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));background:#172e28aa;place-items:center;display:grid;position:fixed;inset:0}.fable-app .subject-help{background:var(--paper,#fff8ec);width:min(640px,100%);max-height:90dvh;color:var(--ink,#234a40);border-radius:15px;padding:28px;overflow:auto;box-shadow:0 24px 100px #0005}.fable-app .subject-help header{justify-content:space-between;gap:18px;display:flex}.fable-app .subject-help header button{align-self:start;min-width:44px;font-size:2rem}.fable-app .subject-help h2{font:2rem/1.1 Georgia,serif}.fable-app .subject-help section{background:#fffaf1;border:1px solid #c9c7b8;margin:25px 0;padding:22px}.fable-app .help-modes{gap:10px;display:flex}.fable-app .help-modes button{border:1px solid;border-radius:6px;padding:8px 14px}.fable-app .help-modes button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.fable-app .help-step-actions{justify-content:space-between;gap:12px;display:flex}.fable-app .subject-help details{margin:20px 0}.fable-app .subject-help li{margin:10px 0}.fable-app .warmup-option{border-bottom:1px solid #c9c7b8;align-items:center;gap:12px;min-height:48px;padding:14px 8px;display:flex}.fable-app .warmup-option input{flex:0 0 20px;height:20px}.fable-app .subject-help footer{border-top:1px solid #c9c7b8;padding-top:16px}.fable-app.large-text{font-size:1.18em}@media (width<=760px){.fable-app .world-shelf{gap:18px}.fable-app .world-book{grid-template-columns:1fr;align-items:start;gap:0}.fable-app .world-book img{aspect-ratio:2/3;height:auto;min-height:0}.fable-app .world-book-copy{padding:18px 14px}.fable-app .world-book-copy strong{font-size:1.3rem}.fable-app .world-book-copy span{font-size:.76rem}.fable-app .world-book-copy small{font-size:.6rem}.fable-app .world-premise{text-align:left}.fable-app .subject-help{padding:22px 18px}.fable-app .subject-help h2{font-size:1.65rem}.fable-app .story-seasons{gap:10px}.fable-app .story-seasons strong{font-size:.95rem}.fable-app .reading-cover{max-height:320px}}@media (prefers-reduced-motion:reduce){.fable-app *{transition:none!important;animation:none!important}}.fable-app .story-seasons .selected .eyebrow{color:inherit;opacity:.85}.family-home{background:var(--ui-bg);color:var(--ui-text);min-height:100dvh;font-family:Avenir Next,Avenir,Segoe UI,sans-serif}.family-home *{box-sizing:border-box}.family-home .legacy-family-header{border-bottom:1px solid #203f3829;justify-content:space-between;align-items:center;gap:20px;max-width:1260px;margin:auto;padding:28px 32px;display:flex}.family-brand{letter-spacing:-.06em;color:var(--ui-text);font:700 2rem/1 Georgia,serif;text-decoration:none}.family-brand span{letter-spacing:.1em;margin-top:9px;font:400 .64rem/1.5 Avenir Next,sans-serif;display:block}.family-home button,.family-return,.family-subject-bar button{cursor:pointer;min-height:44px;color:inherit;font:inherit}.family-home .legacy-family-header button{border:1px solid var(--ui-line);background:0 0;border-radius:30px;padding:10px 19px;font-size:.85rem}.family-home main{max-width:1260px;margin:auto;padding:0 32px}.family-intro{max-width:920px;padding:65px 0 45px}.family-intro h1{letter-spacing:-.055em;margin:18px 0 26px;font:400 clamp(2.8rem,5.5vw,5rem)/1.03 Georgia,serif}.family-intro h1 em{color:var(--ui-warm);font-weight:400}.family-intro>p:not(.eyebrow){max-width:700px;font-size:1.05rem;line-height:1.7}.family-promise{color:var(--ui-muted);flex-wrap:wrap;gap:9px 25px;margin-top:24px;font-size:.72rem;display:flex}.family-promise span:before{content:"✦";color:var(--ui-warm);margin-right:8px}.family-books{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;display:grid}.family-subject-card{text-align:left;border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:13px;flex-direction:column;padding:0;transition:transform .2s,box-shadow .2s;display:flex;overflow:hidden;box-shadow:0 10px 26px #203f3810}.family-subject-card:hover{transform:translateY(-4px);box-shadow:0 14px 35px #203f3825}.family-subject-card>img{aspect-ratio:4/3;object-fit:cover;object-position:center 42%;width:100%}.family-subject-card>span{flex:1;gap:12px;padding:25px;display:grid}.family-subject-card small{letter-spacing:.12em;color:var(--ui-subject-color,var(--subject-color));font-size:.63rem}.family-subject-card strong{letter-spacing:-.035em;font:400 2rem/1.1 Georgia,serif}.family-subject-card em{max-width:30em;font-size:.85rem;font-style:normal;line-height:1.65}.family-subject-card b{color:var(--ui-subject-color,var(--subject-color));margin-top:8px;font-size:.78rem;font-weight:600}.family-how{border-top:1px solid #203f3829;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:60px;padding:50px 0;display:grid}.family-how article>span{color:var(--ui-warm);font:italic 1.3rem Georgia,serif}.family-how h2{margin:13px 0;font:400 1.7rem Georgia,serif}.family-how p{font-size:.85rem;line-height:1.7}.family-home footer{border-top:1px solid #203f3829;gap:24px;max-width:1260px;margin:auto;padding:28px 32px;font-size:.75rem;display:flex}.family-home footer a:first-of-type{margin-left:auto}.family-subject-bar{background:var(--ui-text);color:var(--ui-on-primary);padding:5px max(20px,env(safe-area-inset-right)) 5px max(20px,env(safe-area-inset-left));padding-top:max(5px,env(safe-area-inset-top));justify-content:space-between;align-items:center;font-size:.8rem;display:flex}.family-subject-bar button{color:inherit;background:0 0;border:0}.family-settings-shell{max-width:960px;padding:30px max(20px,env(safe-area-inset-right)) 50px max(20px,env(safe-area-inset-left));margin:auto}.family-return{background:0 0;border:0;margin-bottom:25px}.family-plan-summary h1{font:400 2.5rem/1.15 Georgia,serif}.family-plan-summary>p{font-size:.85rem;line-height:1.6}.family-plan-grid{grid-template-columns:1fr 1fr;gap:18px;margin:24px 0;display:grid}.family-plan-grid article{border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:9px;padding:22px}.family-plan-grid h2{font:400 1.7rem Georgia,serif}.family-plan-grid p{font-size:.88rem;line-height:1.7}.family-loading{max-width:700px;margin:60px auto;padding:30px}.family-home button:focus-visible{outline-offset:5px;outline:3px solid #b36235}.family-home .legacy-family-header{padding-top:max(28px,env(safe-area-inset-top))}.family-home footer{padding-bottom:max(28px,env(safe-area-inset-bottom))}@media (width<=900px){.family-books{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.family-how{gap:24px}}@media (width<=540px){.family-home .legacy-family-header,.family-home main{padding-inline:20px}.family-brand{font-size:1.7rem}.family-home .legacy-family-header button{padding:8px 12px;font-size:.73rem}.family-intro{padding:38px 0 32px}.family-intro h1{font-size:2.9rem}.family-intro>p:not(.eyebrow){font-size:.92rem}.family-books{grid-template-columns:1fr;gap:24px}.family-subject-card{grid-template-columns:39% 1fr;display:grid}.family-subject-card>img{aspect-ratio:2/3;object-position:center;height:100%}.family-subject-card>span{gap:10px;padding:20px 17px}.family-subject-card strong{font-size:1.55rem}.family-subject-card small{font-size:.55rem}.family-subject-card em{font-size:.78rem}.family-how{grid-template-columns:1fr;gap:24px;padding:32px 0}.family-how p{margin-bottom:0}.family-plan-grid{grid-template-columns:1fr}.family-home footer{gap:14px;padding-inline:20px;font-size:.67rem}.family-promise{gap:10px 15px;font-size:.65rem}.family-subject-bar{font-size:.7rem}}@media (prefers-reduced-motion:reduce){.family-home *{transition:none!important;animation:none!important}}html[data-reduce-motion=true] .family-home *,html[data-reduce-motion=true] .fable-app *{transition:none!important;animation:none!important}html[data-high-contrast=true] .family-home,html[data-high-contrast=true] .fable-app{filter:contrast(1.15)}.family-sync-subject label{border-bottom:1px solid var(--ui-line);cursor:pointer;align-items:center;gap:12px;padding:12px 0;display:flex}.family-sync-subject input{width:20px;height:20px}.family-sync-subject small{margin-left:auto}.family-sync-subject p{font-size:.9rem}.family-plan-grid>button{text-align:left;border:1px solid var(--ui-line);background:var(--ui-surface);color:var(--ui-text);cursor:pointer;font:inherit;border-radius:9px;gap:12px;padding:22px;display:grid}.family-plan-grid>button[aria-pressed=true]{outline:2px solid var(--ui-text);outline-offset:2px}.family-plan-grid>button strong{font:1.5rem Georgia,serif}.family-plan-grid>button>span:last-child{font-size:.85rem;line-height:1.6}.family-plan-select{gap:10px;margin:18px 0;display:grid}.family-plan-select select{border:1px solid var(--ui-line);background:var(--ui-surface);font:inherit;border-radius:6px;padding:12px}.family-home main{max-width:1224px;padding-inline:22px}.family-home .subject-nav{max-width:none;margin:0}.family-settings-shell{padding-top:25px}.family-home .family-books{gap:24px}.family-home .family-intro{padding-top:44px}@media (width<=540px){.family-home main{padding-inline:20px}.family-home .family-intro{padding-top:30px}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#22251f;font-synthesis:none;text-rendering:optimizelegibility;--ink:#22251f;--ink-soft:#596057;--paper:#faf7f0;--paper-deep:#e9e1d5;--line:#d5ccbe;--gold:#f1c55f;--gold-bright:#ffdc77;--signal:#1c6b6a;--signal-deep:#123f43;--glasswing:#8a4d78;--glasswing-deep:#4d2948;--coral:#d76657;--correct:#1f7355;--correct-soft:#e3f2ea;--retry:#974a27;--retry-soft:#fbecdc;--shadow:0 24px 65px #2b241b21;background:#eee9df;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[data-text-scale=large]{font-size:112.5%}html[data-text-scale=extra-large]{font-size:125%}html[data-high-contrast=true]{--ink:#11130f;--ink-soft:#343a33;--line:#81796e;--paper:#fffdf8;--paper-deep:#ddd4c7;--shadow:0 18px 45px #14110d38}html[data-reduce-motion=true] *,html[data-reduce-motion=true] :before,html[data-reduce-motion=true] :after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}*{box-sizing:border-box}html{background:#eee9df;min-width:280px;min-height:100%}body{background:radial-gradient(circle at 6% 0,#ffffffe6,#0000 30rem),repeating-linear-gradient(90deg,#22251f04 0 1px,#0000 1px 6px),#eee9df;min-width:280px;min-height:100dvh;margin:0}button,input{font:inherit}button{color:inherit}button:not(:disabled),a{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible+span{outline-offset:3px;outline:3px solid #167f9e}h1,h2,h3,p,blockquote,figure{margin-top:0}h1,h2{font-family:Georgia,Times New Roman,serif}.app-frame{min-height:100dvh}.skip-link{z-index:100;top:calc(.75rem + env(safe-area-inset-top));color:#fff;background:var(--ink);border-radius:.5rem;padding:.75rem 1rem;position:fixed;left:1rem;transform:translateY(calc(-100% - 5rem))}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-header{z-index:20;min-height:calc(4.5rem + env(safe-area-inset-top));padding:calc(.65rem + env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) .65rem max(1.25rem, env(safe-area-inset-left));color:#fbf7ed;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#1f221df7;border-bottom:1px solid #ffffff21;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.brand{min-height:44px;color:inherit;letter-spacing:.08em;background:0 0;border:0;align-items:center;gap:.7rem;padding:.25rem;font-size:1.02rem;font-weight:550;display:inline-flex}.brand strong{color:var(--gold-bright)}.brand-icon{flex-shrink:0;width:2.25rem;height:2.25rem;display:block}.header-context{align-items:center;gap:.75rem;display:flex}.platform-chip,.reader-chip,.learner-chip{color:#e7e4dc;border:1px solid #ffffff29;border-radius:999px;align-items:center;min-height:2.3rem;padding:.45rem .8rem;font-size:.78rem;font-weight:750;display:inline-flex}.platform-chip i{background:#65cf97;border-radius:50%;width:.5rem;height:.5rem;margin-right:.45rem;box-shadow:0 0 0 4px #65cf971f}.reader-chip,.learner-chip{color:var(--ink);background:var(--gold-bright);border-color:var(--gold-bright);gap:.5rem}.reader-chip b,.learner-chip b{color:#fff;background:var(--ink);border-radius:50%;place-items:center;width:1.4rem;height:1.4rem;font-size:.7rem;display:grid}.learner-chip.needs-account{color:#fff9e8;background:0 0;border-color:#ffffff40}.learner-chip.needs-account b{color:var(--ink);background:var(--gold-bright)}.settings-button{width:44px;height:44px;color:var(--gold-bright);background:#ffffff0f;border:1px solid #fff3;border-radius:50%;place-items:center;padding:.65rem;display:grid}.settings-button svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2px;width:100%;height:100%}.eyebrow{color:var(--signal);letter-spacing:.16em;text-transform:uppercase;margin-bottom:.75rem;font-size:.72rem;font-weight:850}.accent-glasswing .eyebrow{color:var(--glasswing)}.primary-button,.secondary-button,.text-button,.round-button,.walkthrough-button{border:0;min-height:44px;font-weight:800}.primary-button{color:#fffaf0;background:var(--ink);border-radius:.65rem;padding:.8rem 1.05rem;box-shadow:0 8px 24px #1e211c2e}.primary-button:disabled{opacity:.45;cursor:not-allowed}.secondary-button{color:var(--ink);border:1px solid var(--line);background:#fffdf8;border-radius:.65rem;padding:.7rem .95rem}.text-button{color:var(--ink-soft);background:0 0;padding:.55rem 0}.round-button{color:#fff;background:var(--ink);border-radius:50%;flex:0 0 2.75rem;place-items:center;width:2.75rem;height:2.75rem;min-height:2.75rem;display:grid}.round-button:disabled{color:#837e74;cursor:not-allowed;background:#d8d1c6}.catalog-page,.course-page,.season-page,.lesson-page,.reading-page,.settings-page{width:min(1180px,100% - 2rem);margin:0 auto;padding:3.8rem 0 5rem}.catalog-hero{max-width:920px;margin-bottom:3rem}.catalog-intro-compact{display:none}.catalog-hero h1{letter-spacing:-.065em;max-width:900px;margin-bottom:1.3rem;font-size:clamp(2.4rem,4.4vw,4rem);font-weight:600;line-height:.88}.catalog-hero>p:last-child{max-width:760px;color:var(--ink-soft);font-size:1.08rem;line-height:1.7}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;display:grid}.course-card{background:var(--paper);min-height:650px;box-shadow:var(--shadow);border:1px solid #2b2a231f;border-radius:1.35rem;display:grid;overflow:hidden}.course-art{color:#ffffffc7;background:linear-gradient(135deg, transparent 35%, #ffffff0f 35% 36%, transparent 36% 63%, #ffffff0d 63% 64%, transparent 64%), var(--signal-deep);place-items:center;min-height:240px;display:grid;position:relative;overflow:hidden}.course-card.accent-glasswing .course-art{background:radial-gradient(circle at 25% 30%, #ffdae82e, transparent 24%), repeating-radial-gradient(circle at 82% 20%, transparent 0 22px, #ffffff0f 23px 24px), var(--glasswing-deep)}.course-art>span{letter-spacing:.18em;font-size:.68rem;font-weight:800;position:absolute;top:1.25rem;left:1.35rem}.course-art i{background:var(--gold-bright);border-radius:999px;width:.65rem;height:6rem;position:absolute;box-shadow:0 0 28px #ffdc7759}.course-art i:first-of-type{transform:translate(-1.35rem)scaleY(.65)}.course-art i:nth-of-type(3){transform:translate(1.35rem)scaleY(.65)}.course-card.accent-glasswing .course-art i{width:4.7rem;height:4.7rem;box-shadow:none;background:0 0;border:2px solid #ffd7e8;transform:rotate(45deg)skew(-8deg,-8deg)}.course-card.accent-glasswing .course-art i:first-of-type{transform:translate(-2rem,1.5rem)rotate(45deg)skew(-8deg,-8deg)scale(.5)}.course-card.accent-glasswing .course-art i:nth-of-type(3){transform:translate(2rem,-1.5rem)rotate(45deg)skew(-8deg,-8deg)scale(.5)}.course-copy{flex-direction:column;padding:1.5rem;display:flex}.course-meta{color:var(--ink-soft);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;gap:1rem;margin-bottom:1.3rem;font-size:.72rem;font-weight:800;display:flex}.course-copy h2{letter-spacing:-.035em;margin-bottom:.4rem;font-size:clamp(2rem,2.8vw,2.8rem);line-height:1}.course-copy blockquote{color:var(--signal);margin-bottom:1rem;font-family:Georgia,serif;font-size:1.1rem;font-weight:700}.course-card.accent-glasswing .course-copy blockquote{color:var(--glasswing)}.course-copy>p{color:var(--ink-soft);line-height:1.65}.progress-line,.season-progress{background:var(--paper-deep);border-radius:999px;height:.38rem;overflow:hidden}.progress-line{margin-top:auto}.progress-line i,.season-progress i{border-radius:inherit;background:var(--signal);height:100%;transition:width .28s;display:block}.accent-glasswing .progress-line i,.accent-glasswing .season-progress i{background:var(--glasswing)}.course-card-actions,.season-footer{justify-content:space-between;align-items:center;gap:1rem;padding-top:1rem;display:flex}.course-card-actions>span,.season-footer>span{color:var(--ink-soft);font-size:.8rem;font-weight:750}.choice-note{max-width:720px;color:var(--ink-soft);text-align:center;margin:2rem auto 0;line-height:1.6}.reading-page{padding-top:1.5rem}.reading-nav{grid-template-columns:auto 1fr auto;align-items:center;gap:.5rem;margin-bottom:1.5rem;display:grid}.reading-nav>span{color:var(--ink-soft);text-align:center;letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:850}.reading-skip-button{min-height:44px;padding:.65rem .85rem;font-size:.85rem}.reading-hero{max-width:900px;margin-bottom:1.5rem}.reading-hero h1{letter-spacing:-.05em;margin-bottom:.5rem;font-size:clamp(2.4rem,4.2vw,4rem);line-height:.96}.reading-hero>p:last-child{color:var(--signal);font-weight:800}.reading-layout{grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);align-items:start;gap:1.25rem;display:grid}.reading-sheet{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:1.1rem;padding:clamp(1.5rem,4vw,3.5rem);position:relative}.reading-chapter-mark{float:left;color:#fff;background:var(--signal-deep);border-radius:.75rem;align-content:center;place-items:center;width:4.4rem;height:5.1rem;margin:.15rem 1.2rem .4rem 0;display:grid}.accent-glasswing .reading-chapter-mark{background:var(--glasswing-deep)}.reading-chapter-mark span{color:var(--gold-bright);letter-spacing:.14em;font-size:.56rem;font-weight:850}.reading-chapter-mark strong{font-family:Georgia,serif;font-size:2rem}.reading-sheet p{color:#3e433c;font-family:Georgia,Times New Roman,serif;font-size:1.08rem;line-height:1.78}.reading-sheet .opening-paragraph:first-letter{float:left;color:var(--signal);margin:.08em .12em 0 0;font-size:3.4em;font-weight:700;line-height:.8}.reading-sheet footer{color:var(--ink-soft);border-top:1px solid var(--line);justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1rem;font-size:.75rem;display:flex}.prewarm-panel{top:calc(5.4rem + env(safe-area-inset-top));color:#f9f4e8;background:var(--signal-deep);box-shadow:var(--shadow);border-radius:1rem;padding:1.4rem;position:sticky}.accent-glasswing .prewarm-panel{background:var(--glasswing-deep)}.prewarm-panel .eyebrow{color:var(--gold-bright)}.prewarm-panel h2{margin-bottom:.6rem;font-size:1.55rem}.prewarm-panel>p:not(.eyebrow){color:#ffffffc2;font-size:.84rem;line-height:1.5}.prewarm-panel ol{gap:.6rem;margin:1rem 0;padding-left:1.25rem;display:grid}.prewarm-panel li{padding-left:.25rem;line-height:1.45}.prewarm-standards{flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;display:flex}.prewarm-standards span{color:var(--ink);background:var(--gold-bright);border-radius:.35rem;padding:.3rem .45rem;font-size:.65rem;font-weight:850}.prewarm-panel .primary-button{width:100%;color:var(--ink);background:#fffaf0}.learner-chip{cursor:pointer;min-height:44px}.learner-chip:hover{box-shadow:0 0 0 3px #ffdc6b38}.chapter-access-label{color:var(--signal);font-size:.75rem;font-weight:800;display:inline-block}.lesson-access-page{width:min(760px,100% - 2rem);margin:2rem auto;padding-bottom:2rem}.lesson-access-card{background:linear-gradient(135deg,#fcfaff,#ede8f7);border:1px solid #d4cbe4;border-radius:1.5rem;margin-top:1rem;padding:clamp(1.25rem,5vw,3rem);box-shadow:0 18px 45px #30234312}.lesson-access-card h1{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.1}.lesson-access-card p{line-height:1.65}.access-symbol{color:#564574;background:#e0d7f2;border-radius:1rem;place-items:center;width:3.5rem;height:3.5rem;margin-bottom:1rem;font-size:1.7rem;display:grid}.settings-modal{z-index:70;padding:max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#171c294d;place-items:center;display:grid;position:fixed;inset:0}.settings-dialog{--ink:#1c1c1e;--ink-soft:#626269;--line:#dfdfe3;--settings-blue:#06c;width:min(540px,100%);height:min(740px, calc(100dvh - max(2rem, env(safe-area-inset-top) + env(safe-area-inset-bottom))));overscroll-behavior:contain;color:var(--ink);background:#f2f2f7;border:1px solid #ffffffb3;border-radius:1.5rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-y:auto;box-shadow:0 0 0 5px #ffffff14,0 0 28px #ffffff38,0 28px 90px #10182740}.settings-dialog .settings-page{width:100%;padding:0}.settings-nav{z-index:2;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f2f2f7f0;grid-template-columns:4.2rem minmax(0,1fr) 4.2rem;align-items:center;min-height:3.75rem;padding:.25rem .6rem;display:grid;position:sticky;top:0}.settings-nav h1{text-align:center;letter-spacing:-.02em;margin:0;font-family:inherit;font-size:1.0625rem;font-weight:600;line-height:1.25}.settings-back-button,.settings-done-button{min-height:44px;color:var(--settings-blue);background:0 0;border:0;border-radius:.4rem;justify-content:center;align-items:center;gap:.2rem;padding:.3rem 0;font-size:1rem;display:flex}.settings-back-button{justify-self:start}.settings-done-button{justify-self:end;min-width:44px;font-weight:600}.settings-chevron{color:#8d8d93;flex-shrink:0;width:.6rem;height:1rem}.settings-back-button .settings-chevron{width:.85rem;height:1.25rem;color:inherit}.settings-content{padding:1.5rem 1rem 2rem}.settings-group{background:#fff;border:0;border-radius:.75rem;min-width:0;margin:0 0 1.25rem;padding:0}.settings-section{margin-bottom:1.6rem}.settings-section h2,.settings-caption{color:var(--ink-soft);letter-spacing:.035em;text-transform:uppercase;margin:0 1rem .45rem;font-family:inherit;font-size:.75rem;font-weight:400}.settings-section .settings-group{margin-bottom:0}.settings-row{text-align:left;background:0 0;border:0;border-radius:0;align-items:center;gap:.75rem;width:100%;min-height:3.3rem;padding:.65rem 1rem;display:flex;position:relative}.settings-row:first-child,.settings-action:first-child{border-top-left-radius:.75rem;border-top-right-radius:.75rem}.settings-row:last-child,.settings-action:last-child{border-bottom-right-radius:.75rem;border-bottom-left-radius:.75rem}.settings-row+.settings-row:before{background:var(--line);content:"";height:1px;position:absolute;top:0;left:3.65rem;right:0}.settings-row-label{flex:1;min-width:0;font-size:1rem}.settings-row-value{max-width:45%;color:var(--ink-soft);overflow-wrap:anywhere;text-align:right;margin-left:auto;font-size:.9rem}.settings-icon{color:#fff;background:#007aff;border-radius:.4rem;flex:0 0 1.8rem;place-items:center;width:1.8rem;height:1.8rem;display:grid}.settings-icon svg{width:1.25rem;height:1.25rem}.settings-icon.learners{background:#7556ca}.settings-icon.membership{background:#c65b31}.settings-icon.reading{background:#007aff}.settings-icon.sync{background:#37825c}.settings-icon.privacy{background:#72727c}.settings-account-row{gap:1rem;min-height:5.25rem}.settings-account-row .settings-icon{background:#8e8e93;border-radius:50%;flex-basis:3rem;width:3rem;height:3rem}.settings-account-row .settings-icon svg{width:2rem;height:2rem}.settings-account-copy{flex:1;min-width:0}.settings-account-copy strong{font-size:1.125rem;font-weight:500;display:block}.settings-account-copy small{color:var(--ink-soft);overflow-wrap:anywhere;margin-top:.3rem;font-size:.8rem;line-height:1.35;display:block}.settings-footnote{color:var(--ink-soft);margin:-.5rem 1rem 1.4rem;font-size:.8rem;line-height:1.45}.settings-home-footnote{text-align:center;margin-top:0;font-size:.75rem}.settings-description{color:var(--ink-soft);margin:0 1rem 1rem;font-size:.9rem;line-height:1.5}.settings-detail{padding:1rem}.settings-detail>strong{font-weight:600;display:block}.settings-detail p{color:var(--ink-soft);margin:.5rem 0 0;font-size:.9rem;line-height:1.5}.settings-detail .settings-caption{margin:0 0 .35rem;display:block}.settings-detail .settings-plan-name{font-size:1.25rem}.settings-info-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding:1rem;font-size:.95rem;display:flex}.settings-info-row strong{min-width:0;color:var(--ink-soft);overflow-wrap:anywhere;font-weight:400}.settings-action{width:100%;min-height:3rem;color:var(--settings-blue);text-align:left;background:0 0;border:0;padding:.8rem 1rem;font-size:1rem;line-height:1.4;display:block}.settings-action+.settings-action{border-top:1px solid var(--line)}.settings-action.destructive{color:#c42b23}.settings-dialog button:disabled,.settings-dialog input:disabled{opacity:.5}.settings-dialog button:focus-visible,.settings-dialog input:focus-visible,.settings-dialog select:focus-visible{outline:3px solid var(--settings-blue);outline-offset:-3px}.settings-dialog h1:focus{outline:none}.settings-form>label{gap:.4rem;padding:1rem;font-size:.85rem;display:grid}.settings-form>label+label,.settings-form>.settings-action{border-top:1px solid var(--line)}.settings-form input:not([type=radio]),.settings-form select{width:100%;min-width:0;min-height:44px;color:var(--ink);border:1px solid var(--line);font:inherit;background:#f9f9fb;border-radius:.45rem;padding:.6rem;font-size:1rem}.settings-form fieldset{border:0;margin:0;padding:0 1rem}.settings-form legend{color:var(--ink-soft);padding:.75rem 0 0;font-size:.85rem}.settings-radio-row{cursor:pointer;justify-content:space-between;align-items:center;gap:1rem;min-height:3rem;padding:.65rem 1rem;font-size:1rem;display:flex}.settings-radio-row+.settings-radio-row{border-top:1px solid var(--line)}.settings-form .settings-radio-row{padding-left:0;padding-right:0}.settings-radio-row input{width:1.2rem;height:1.2rem;accent-color:var(--settings-blue);flex-shrink:0;margin:0}.settings-text-size{min-inline-size:0}.settings-learner-row{text-align:left;background:0 0;border:0;border-radius:.75rem;grid-template-columns:2.25rem minmax(0,1fr) 1rem;align-items:center;gap:.8rem;width:100%;min-height:4.25rem;padding:.8rem 1rem;display:grid}.settings-learner-row+.settings-learner-row{border-top:1px solid var(--line);border-radius:0}.settings-avatar{color:#548;background:#efe9fa;border-radius:50%;place-items:center;width:2.25rem;height:2.25rem;display:grid}.settings-learner-row strong,.settings-offering strong{overflow-wrap:anywhere;font-size:1rem;font-weight:400;display:block}.settings-learner-row small,.settings-offering small{color:var(--ink-soft);margin-top:.25rem;font-size:.8rem;display:block}.settings-check{color:var(--settings-blue);font-size:1.2rem}.settings-offering{width:100%;min-height:3rem;color:var(--settings-blue);text-align:left;background:0 0;border:0;border-radius:.75rem;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;display:flex}.settings-offering+.settings-offering{border-top:1px solid var(--line)}.settings-offering small{text-transform:capitalize}.settings-toggle-row{cursor:pointer;justify-content:space-between;align-items:center;gap:1rem;min-height:3.3rem;padding:.45rem 1rem;display:flex}.settings-toggle-row+.settings-toggle-row{border-top:1px solid var(--line)}.settings-toggle-row input{appearance:none;cursor:pointer;background:#e0e0e5;border:0;border-radius:999px;flex:0 0 3.2rem;width:3.2rem;height:1.95rem;margin:0;transition:background .15s;position:relative}.settings-toggle-row input:after{content:"";background:#fff;border-radius:50%;width:1.65rem;height:1.65rem;transition:transform .15s;position:absolute;top:.15rem;left:.15rem;box-shadow:0 1px 3px #0003}.settings-toggle-row input:checked{background:#248a48}.settings-toggle-row input:checked:after{transform:translate(1.25rem)}.settings-notice{background:#eaf5ee;border:1px solid #b9d6c5;border-radius:.75rem;align-items:center;gap:.75rem;margin-bottom:1rem;padding:.6rem .8rem;font-size:.85rem;line-height:1.4;display:flex}.settings-notice span{flex:1}.settings-notice.attention,.settings-error{color:#8a3d1b;background:#fff1e8;border-color:#dfc5b6}.settings-notice button{min-width:44px;min-height:44px;color:inherit;background:0 0;border:0;padding:0;font-size:1.4rem}.settings-error{overflow-wrap:anywhere;border-radius:.75rem;padding:.8rem 1rem;font-size:.85rem;line-height:1.45}html[data-high-contrast=true] .settings-dialog{--ink:#000;--ink-soft:#38383d;--line:#88888e;--settings-blue:#004a99}html[data-high-contrast=true] .settings-group{box-shadow:0 0 0 1px var(--line)}@media (hover:hover){.settings-dialog button:not(:disabled):hover{background:#e9e9ee}}@media (width<=600px){.settings-modal{padding:max(.5rem, env(safe-area-inset-top)) max(.35rem, env(safe-area-inset-right)) max(.5rem, env(safe-area-inset-bottom)) max(.35rem, env(safe-area-inset-left))}.settings-dialog{height:calc(100dvh - max(1rem, env(safe-area-inset-top) + env(safe-area-inset-bottom)));border-radius:1.1rem}.settings-content{padding:1.25rem .8rem 2rem}.settings-row{gap:.65rem;padding-left:.8rem;padding-right:.8rem}.settings-row-value{max-width:40%}}.course-page>.text-button,.season-page>.text-button{margin-bottom:2rem}.course-hero{max-width:900px;padding:2rem 0 3rem}.course-hero h1{letter-spacing:-.055em;margin-bottom:.5rem;font-size:clamp(2.6rem,5vw,4.5rem);line-height:.94}.course-tagline{color:var(--signal);font-family:Georgia,serif;font-size:clamp(1.1rem,1.7vw,1.45rem);font-weight:700}.accent-glasswing .course-tagline{color:var(--glasswing)}.course-hero>p:last-child{max-width:760px;color:var(--ink-soft);font-size:1.05rem;line-height:1.7}.cast-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin-bottom:3rem;display:grid}.cast-strip article{border:1px solid var(--line);background:#faf7f0bf;border-radius:.85rem;gap:.8rem;padding:1rem;display:flex}.cast-strip article>span{color:#fff;background:var(--signal);border-radius:50%;flex:0 0 2.3rem;place-items:center;width:2.3rem;height:2.3rem;font-family:Georgia,serif;display:grid}.accent-glasswing .cast-strip article>span{background:var(--glasswing)}.cast-strip strong{margin-bottom:.25rem;font-size:.88rem;display:block}.cast-strip p{color:var(--ink-soft);margin:0;font-size:.76rem;line-height:1.4}.season-grid{gap:1rem;display:grid}.season-card{border:1px solid var(--line);background:var(--paper);border-radius:1rem;grid-template-columns:7rem 1fr;gap:1.5rem;padding:1.5rem;display:grid;box-shadow:0 12px 35px #2b241b12}.season-number{color:#f9f5ea;background:var(--signal-deep);border-radius:.8rem;flex-direction:column;justify-content:center;align-items:center;min-height:8rem;display:flex}.accent-glasswing .season-number{background:var(--glasswing-deep)}.season-number span{letter-spacing:.12em;text-transform:uppercase;font-size:.68rem;font-weight:800}.season-number strong{font-family:Georgia,serif;font-size:3.5rem;line-height:1}.season-card h2{letter-spacing:-.03em;margin-bottom:.25rem;font-size:clamp(1.6rem,2.6vw,2.25rem)}.season-card>div:last-child>strong{color:var(--signal)}.accent-glasswing .season-card>div:last-child>strong{color:var(--glasswing)}.season-card p{max-width:760px;color:var(--ink-soft);margin:.75rem 0 1rem;line-height:1.6}.season-hero{grid-template-columns:1.3fr .7fr;align-items:end;gap:2rem;margin-bottom:3rem;display:grid}.season-hero h1{letter-spacing:-.05em;margin-bottom:.35rem;font-size:clamp(2.4rem,4.2vw,4rem);line-height:.96}.season-hero>div>strong{color:var(--signal);font-size:1rem}.accent-glasswing .season-hero>div>strong{color:var(--glasswing)}.season-hero>div>p:last-child{max-width:720px;color:var(--ink-soft);margin-top:1rem;line-height:1.65}.season-hero blockquote{color:#fdf8ed;background:var(--signal-deep);border-radius:1rem;padding:1.5rem;font-family:Georgia,serif;font-size:1.15rem;line-height:1.55;transform:rotate(1deg)}.accent-glasswing .season-hero blockquote{background:var(--glasswing-deep)}.season-evidence{color:#f8f3e8;background:var(--signal-deep);box-shadow:var(--shadow);border-radius:1rem;grid-template-columns:1fr auto;align-items:center;gap:1.5rem;margin:-1rem 0 2rem;padding:1.35rem;display:grid}.accent-glasswing .season-evidence{background:var(--glasswing-deep)}.season-evidence .eyebrow{color:var(--gold-bright)}.season-evidence h2{margin-bottom:.35rem;font-size:1.3rem}.season-evidence p{color:#ffffffbd;max-width:650px;margin-bottom:0;line-height:1.5}.season-evidence dl{grid-template-columns:repeat(3,1fr);min-width:330px;margin:0;display:grid}.season-evidence dl>div{text-align:center;border-left:1px solid #ffffff29;padding:.6rem 1rem}.season-evidence dt{color:#ffffffa6;letter-spacing:.08em;text-transform:uppercase;font-size:.66rem;font-weight:800}.season-evidence dd{color:var(--gold-bright);margin:.25rem 0 0;font-family:Georgia,serif;font-size:1.8rem}.chapter-list{gap:.75rem;display:grid}.chapter-row{border:1px solid var(--line);background:#faf7f0e6;border-radius:.9rem;align-items:center;gap:1rem;padding:1rem;display:flex}.chapter-row.completed{background:#f4fbf7;border-color:#1f735559}.chapter-row.locked{background:var(--paper-deep)}.chapter-row.locked .chapter-index{background:#60655b}.lock-icon{stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:1.35rem;height:1.35rem}.chapter-row.locked .round-button:not(:disabled){color:#54426a;background:#eee6f5;border:1px solid #cfc1dd}.chapter-row.locked .chapter-preview{-webkit-line-clamp:2;filter:blur(4px);-webkit-user-select:none;user-select:none;pointer-events:none;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.chapter-copy>.chapter-lock-note{color:var(--ink);margin:0 0 .6rem;font-size:.75rem;font-weight:750;line-height:1.5;display:block}.chapter-index{color:#fff;background:var(--signal);border-radius:.65rem;flex:0 0 3rem;place-items:center;width:3rem;height:3rem;font-weight:850;display:grid}.accent-glasswing .chapter-index{background:var(--glasswing)}.chapter-row.completed .chapter-index{background:var(--correct)}.chapter-copy{flex:1;min-width:0}.chapter-copy>span{color:var(--ink-soft);letter-spacing:.1em;text-transform:uppercase;font-size:.68rem;font-weight:800}.chapter-copy h2{margin:.15rem 0 .35rem;font-size:1.25rem}.chapter-copy>p{color:var(--ink-soft);margin-bottom:.6rem;font-size:.9rem;line-height:1.5}.chapter-copy>div{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.chapter-copy>div span{color:var(--signal-deep);background:#dcebea;border-radius:.35rem;padding:.25rem .42rem;font-size:.68rem;font-weight:850}.accent-glasswing .chapter-copy>div span{color:var(--glasswing-deep);background:#f1e3ed}.chapter-copy>div strong{color:var(--ink-soft);font-size:.72rem}.lesson-page{padding-top:1.5rem}.lesson-nav{grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;margin-bottom:1.4rem;display:grid}.lesson-nav>div{text-align:center}.lesson-nav>div span,.lesson-nav>div strong{display:block}.lesson-nav>div span{color:var(--ink-soft);text-transform:uppercase;font-size:.7rem}.lesson-nav>span{color:var(--ink-soft);justify-self:end;font-size:.78rem;font-weight:800}.stage-track{grid-template-columns:repeat(6,minmax(0,1fr));gap:.55rem;margin:0 0 1rem;padding:0;list-style:none;display:grid}.stage-track li{min-width:0;color:var(--ink-soft);border:1px solid var(--line);background:#faf7f0b8;border-radius:.7rem;align-items:center;gap:.55rem;padding:.65rem;display:flex}.stage-track li>span{color:#fff;background:#9a958a;border-radius:50%;flex:0 0 1.7rem;place-items:center;width:1.7rem;height:1.7rem;font-size:.7rem;font-weight:850;display:grid}.stage-track small,.stage-track strong{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.stage-track small{letter-spacing:.07em;text-transform:uppercase;margin-bottom:.15rem;font-size:.56rem;font-weight:800}.stage-track strong{color:var(--ink);font-size:.7rem}.stage-track li.current{border-color:var(--signal);box-shadow:inset 0 -3px 0 var(--signal);background:#e8f1ef}.stage-track li.current>span{background:var(--signal)}.stage-track li.complete>span{background:var(--correct)}.lesson-layout{grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);align-items:start;gap:1.25rem;display:grid}.story-panel,.checkpoint-panel{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:1.1rem}.story-panel{padding:clamp(1.25rem,3vw,2.2rem)}.checkpoint-panel{top:calc(5.4rem + env(safe-area-inset-top));scroll-margin-top:calc(5.4rem + env(safe-area-inset-top));padding:1.4rem;position:sticky}.chapter-meta{color:var(--ink-soft);justify-content:space-between;gap:1rem;margin-bottom:2rem;font-size:.72rem;font-weight:750;display:flex}.story-panel h1{letter-spacing:-.045em;margin-bottom:1rem;font-size:clamp(2.2rem,3.8vw,3.6rem);line-height:.96}.story-opening{color:var(--ink-soft);font-family:Georgia,serif;font-size:1.15rem;line-height:1.7}.stage-intro{border:1px solid var(--line);background:#f4efe5;border-radius:.85rem;margin:1.4rem 0;padding:1.2rem}.stage-intro>span{color:var(--signal);letter-spacing:.12em;text-transform:uppercase;font-size:.65rem;font-weight:850}.stage-intro h2{margin:.3rem 0;font-size:1.5rem}.stage-intro>strong{color:var(--ink-soft);line-height:1.45;display:block}.stage-intro>p{border-top:1px solid var(--line);margin:1rem 0 0;padding-top:1rem;font-family:Georgia,serif;font-size:1.08rem;line-height:1.6}.story-panel blockquote{border-left:4px solid var(--gold);background:#f1ebdf;border-radius:0 .75rem .75rem 0;gap:.9rem;margin:1.5rem 0;padding:1rem;display:flex}.story-panel blockquote>span{color:#fff;background:var(--ink);border-radius:50%;flex:0 0 2.5rem;place-items:center;width:2.5rem;height:2.5rem;font-family:Georgia,serif;display:grid}.story-panel blockquote strong{margin-bottom:.25rem;display:block}.story-panel blockquote p{color:#3e433c;margin:0;font-family:Georgia,serif;line-height:1.55}.worked-example{color:#f8f1df;background:var(--signal-deep);border-radius:.8rem;margin:1.5rem 0;padding:1.1rem}.worked-example>p{color:var(--gold-bright);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.25rem;font-size:.65rem;font-weight:850}.worked-example h3{margin:0 0 .75rem;font-family:Georgia,serif;font-size:1.2rem}.worked-example ol{margin:0;padding-left:1.25rem}.worked-example li{padding:.25rem 0;line-height:1.45}.math-evidence{border:1px solid var(--line);background:#fffdf8;border-radius:.8rem;margin:1.5rem 0;padding:1.1rem;overflow:hidden}.math-evidence figcaption{color:var(--ink-soft);margin-top:.8rem;font-size:.76rem;line-height:1.45}.ratio-visual{gap:.75rem;display:grid}.ratio-row{grid-template-columns:5rem 1fr 2rem;align-items:center;gap:.55rem;display:grid}.ratio-row span{color:var(--ink-soft);text-transform:uppercase;font-size:.75rem;font-weight:750}.ratio-row i{transform-origin:0;border-radius:.3rem;min-width:.5rem;height:1.2rem;animation:.6s both grow-bar;display:block}.tone-gold{background:var(--gold)}.tone-teal{background:var(--signal)}.tone-coral{background:var(--coral)}.number-line-visual,.coordinate-visual{width:100%;overflow:visible}.number-line-visual line{stroke:#77756d;stroke-width:2px}.number-line-visual text,.coordinate-visual text{fill:var(--ink-soft);text-anchor:middle;font-size:10px}.number-line-point circle,.plot-point circle{fill:var(--coral);stroke:#fff;stroke-width:3px}.number-line-point text{fill:var(--ink);font-weight:800}.plot-grid line{stroke:#ded8cc;stroke-width:1px}.plot-axis{fill:none;stroke:var(--ink-soft);stroke-width:2px}.plot-line{fill:none;stroke:var(--signal);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:500;animation:.9s both draw-line}.equation-visual{color:#f8f1df;background:var(--signal-deep);border-radius:.65rem;align-content:center;place-items:center;gap:.55rem;min-height:10rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(1.2rem,3vw,1.75rem);display:grid}.geometry-visual{grid-template-columns:1fr auto;align-items:center;gap:1rem;display:grid}.geometry-visual svg{fill:#f1c55f40;width:100%;max-height:180px;stroke:var(--signal);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.geometry-visual .shape-secondary{fill:#8a4d7829;stroke:var(--glasswing)}.geometry-visual .transform-arrow{fill:none;stroke:var(--coral);stroke-dasharray:7 6}.geometry-visual>div{gap:.5rem;display:grid}.geometry-visual span{white-space:nowrap;background:#eee7db;border-radius:.4rem;padding:.4rem .55rem;font-size:.72rem;font-weight:800}.data-visual{align-items:end;gap:.45rem;min-height:11rem;padding-top:1rem;display:flex}.data-visual>div{flex-direction:column;flex:1;justify-content:end;align-items:center;min-width:0;height:9rem;display:flex}.data-visual i{background:var(--signal);border-radius:.35rem .35rem 0 0;width:min(2rem,80%);min-height:.75rem;animation:.6s both grow-data}.data-visual strong{margin-top:.3rem;font-size:.72rem}.data-visual span{color:var(--ink-soft);font-size:.62rem}.standards-panel{background:#edf3ef;border-radius:.75rem;padding:1rem}.standards-panel>div{flex-wrap:wrap;gap:.4rem;margin-bottom:.65rem;display:flex}.standards-panel>div span{color:#fff;background:var(--signal);border-radius:.35rem;padding:.3rem .5rem;font-size:.68rem;font-weight:850}.standards-panel>strong{line-height:1.45;display:block}.standards-panel>p{color:var(--ink-soft);margin:.45rem 0 0;font-size:.72rem;line-height:1.5}.readiness-panel{background:#fff8e8;border:1px dashed #b9aa87;border-radius:.75rem;margin-top:1rem;padding:1rem}.readiness-panel>div{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.readiness-panel span{color:var(--ink-soft);letter-spacing:.08em;text-transform:uppercase;margin-right:.25rem;font-size:.68rem;font-weight:850}.readiness-panel strong{background:#eadcb9;border-radius:.35rem;padding:.25rem .45rem;font-size:.7rem}.readiness-panel p{color:var(--ink-soft);margin:.75rem 0 0;font-size:.8rem;line-height:1.5}.checkpoint-panel h2{letter-spacing:-.025em;margin-bottom:1rem;font-size:1.65rem}.checkpoint-prompt{color:#353a33;font-size:1.04rem;font-weight:650;line-height:1.55}.checkpoint-panel fieldset{border:0;gap:.6rem;padding:0;display:grid}.answer-option{border:1px solid var(--line);background:#fffdf8;border-radius:.65rem;grid-template-columns:2rem 1fr;align-items:center;gap:.75rem;min-height:3.25rem;padding:.65rem;display:grid}.answer-option:hover{border-color:#9d968b}.answer-option.selected{border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal);background:#e5f1f0}.answer-option input{opacity:0;pointer-events:none;position:absolute}.answer-option>span{background:#e9e3d8;border-radius:.45rem;place-items:center;width:2rem;height:2rem;font-size:.75rem;font-weight:850;display:grid}.answer-option.selected>span{color:#fff;background:var(--signal)}.answer-option strong{font-size:.92rem}.checkpoint-actions{justify-content:space-between;align-items:stretch;gap:.65rem;margin-top:1rem;display:flex}.walkthrough-button{color:var(--ink-soft);background:0 0;align-items:center;gap:.5rem;padding:.6rem .3rem;display:inline-flex}.walkthrough-button>span{color:#fff;background:var(--signal);border-radius:50%;place-items:center;width:1.8rem;height:1.8rem;display:grid}.walkthrough-button:disabled{opacity:.48;cursor:not-allowed}.feedback-card{border-radius:.75rem;margin-top:1rem;padding:1rem}.walkthrough-modal{z-index:80;padding:max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#141815ad;place-items:center;display:grid;position:fixed;inset:0}.walkthrough-dialog{background:var(--paper);border:1px solid #ffffff8c;border-radius:1.2rem;width:min(720px,100%);max-height:min(820px,100dvh - 2rem);padding:clamp(1.15rem,3vw,1.75rem);overflow-y:auto;box-shadow:0 30px 90px #0f110f6b}.walkthrough-header{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.walkthrough-header h2{letter-spacing:-.035em;margin-bottom:0;font-size:clamp(1.65rem,3.5vw,2.3rem)}.walkthrough-close{color:#fff;background:var(--ink);border:0;border-radius:50%;flex:0 0 2.75rem;place-items:center;width:2.75rem;height:2.75rem;font-size:1.6rem;line-height:1;display:grid}.walkthrough-question{color:#353a33;margin:1.2rem 0;font-size:1.05rem;font-weight:700;line-height:1.55}.walkthrough-visual .math-evidence{background:#fff;margin:0 0 1rem}.walkthrough-steps{background:#fff8df;border:1px solid #d4c494;border-radius:.8rem;padding:1rem}.walkthrough-steps>div{justify-content:space-between;gap:1rem;display:flex}.walkthrough-steps>div span{color:var(--ink-soft);white-space:nowrap;font-size:.75rem}.walkthrough-steps ol{margin:.75rem 0 0;padding-left:1.25rem}.walkthrough-steps li{color:#555044;padding:.3rem 0;line-height:1.5}.walkthrough-footer{justify-content:flex-end;gap:.75rem;margin-top:1rem;display:flex}.feedback-card.retry{color:var(--retry);background:var(--retry-soft)}.feedback-card.correct{color:var(--correct);background:var(--correct-soft);gap:.8rem;display:flex}.feedback-card.correct>span{color:#fff;background:var(--correct);border-radius:50%;flex:0 0 2rem;place-items:center;width:2rem;height:2rem;display:grid}.feedback-card p{line-height:1.5}.story-reveal{color:var(--ink);border-top:1px solid #1f735538;padding-top:.75rem;font-family:Georgia,serif}.replay-note{color:var(--ink-soft);margin:1rem 0 0;font-size:.78rem}.finale-page{text-align:center;width:min(820px,100% - 2rem);margin:0 auto;padding:7rem 0}.finale-page h1{letter-spacing:-.05em;font-size:clamp(2.5rem,5vw,4.5rem);line-height:.96}.finale-page blockquote{color:#fff;background:var(--signal-deep);box-shadow:var(--shadow);border-radius:1.25rem;margin:2rem 0;padding:2rem;font-family:Georgia,serif;font-size:clamp(1.2rem,3vw,1.7rem);line-height:1.6}.finale-page.accent-glasswing blockquote{background:var(--glasswing-deep)}.finale-standards{justify-content:center;gap:.75rem;margin-bottom:2rem;display:flex}.finale-standards span{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:.55rem .75rem;font-size:.75rem;font-weight:800}@keyframes grow-bar{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes grow-data{0%{transform-origin:bottom;transform:scaleY(0)}to{transform-origin:bottom;transform:scaleY(1)}}@keyframes draw-line{0%{stroke-dashoffset:500px}to{stroke-dashoffset:0}}@media (width<=900px){.lesson-layout,.reading-layout,.season-hero{grid-template-columns:1fr}.course-card{min-height:600px}.cast-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.checkpoint-panel,.prewarm-panel{position:static}.season-hero blockquote{transform:none}.stage-track{scroll-snap-type:x proximity;padding-bottom:.35rem;display:flex;overflow-x:auto}.stage-track li{scroll-snap-align:start;flex:0 0 11.5rem}}@media (width<=650px){.app-header{min-height:calc(3.75rem + env(safe-area-inset-top));padding:calc(.45rem + env(safe-area-inset-top)) max(.65rem, env(safe-area-inset-right)) .45rem max(.65rem, env(safe-area-inset-left))}.brand{gap:.45rem;padding:.15rem;font-size:.85rem}.brand-icon{width:1.75rem;height:1.75rem}.reader-chip,.learner-chip{gap:.35rem;min-height:2.35rem;padding:.4rem .55rem}.settings-button{width:40px;height:40px;padding:.58rem}.platform-chip{display:none}.catalog-page,.course-page,.season-page,.lesson-page,.reading-page,.settings-page{width:min(100% - 1rem,1180px);padding-top:.75rem;padding-bottom:2.5rem}.eyebrow{margin-bottom:.4rem;font-size:.62rem;line-height:1.35}.catalog-hero{margin-bottom:.85rem}.catalog-hero h1{letter-spacing:-.04em;margin-bottom:.55rem;font-size:clamp(1.65rem,7vw,1.85rem);line-height:1}.catalog-hero h1 br{display:none}.catalog-hero>p:last-child{-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-bottom:0;font-size:.82rem;line-height:1.4;display:-webkit-box;overflow:hidden}.course-grid{scroll-snap-type:x mandatory;grid-template-columns:repeat(2,minmax(min(82vw,22rem),1fr));margin-left:-.5rem;margin-right:-.5rem;padding:0 .5rem .65rem;scroll-padding-left:.5rem;overflow-x:auto}.course-card{scroll-snap-align:start;grid-template-rows:104px auto;min-height:0}.course-art{min-height:104px}.course-art>span{font-size:.56rem;top:.7rem;left:.85rem}.course-art i{width:7px;height:52px}.course-card.accent-glasswing .course-art i{width:50px;height:50px}.course-copy{padding:.9rem}.course-meta{gap:.45rem;margin-bottom:.55rem;font-size:.57rem}.course-copy h2{margin-bottom:.25rem;font-size:clamp(1.4rem,6vw,1.55rem)}.course-copy blockquote{margin-bottom:.45rem;font-size:.9rem;line-height:1.25}.course-copy>p{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.7rem;font-size:.78rem;line-height:1.4;display:-webkit-box;overflow:hidden}.progress-line{margin-top:0}.course-card-actions{gap:.5rem;padding-top:.65rem}.course-card-actions>span{font-size:.68rem}.course-card-actions .primary-button{flex:none;width:auto;padding:.65rem .75rem;font-size:.78rem}.choice-note{margin-top:.85rem;font-size:.72rem;line-height:1.4}.reading-page{padding-top:.55rem}.reading-nav{grid-template-columns:1fr auto;margin-bottom:.65rem}.reading-nav .text-button{justify-self:start;min-height:44px}.reading-nav>span{text-align:left;grid-area:2/1/auto/-1;font-size:.62rem}.reading-hero{margin-bottom:.75rem}.reading-hero h1{margin-bottom:.35rem;font-size:clamp(1.65rem,7vw,1.85rem);line-height:1}.reading-hero>p:last-child{margin-bottom:0;font-size:.76rem}.reading-layout{gap:.75rem}.reading-sheet{border-radius:.85rem;padding:1rem}.reading-chapter-mark{width:3.4rem;height:4rem;margin-right:.75rem}.reading-chapter-mark strong{font-size:1.45rem}.reading-sheet p{font-size:.95rem;line-height:1.65}.reading-sheet footer{margin-top:1rem}.prewarm-panel{padding:1rem}.prewarm-panel h2{font-size:1.2rem}.prewarm-panel ol{font-size:.85rem}.course-page>.text-button,.season-page>.text-button{margin-bottom:.35rem}.course-hero{padding:.1rem 0 .75rem}.course-hero h1,.season-hero h1{letter-spacing:-.04em;font-size:clamp(1.65rem,7vw,1.85rem);line-height:1}.course-tagline{margin-bottom:.45rem;font-size:.9rem;line-height:1.25}.course-hero>p:last-child,.season-hero>div>p:last-child{-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:.8rem;line-height:1.4;display:-webkit-box;overflow:hidden}.cast-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:.35rem;margin-bottom:.75rem}.cast-strip article{align-items:center;gap:.3rem;min-width:0;padding:.4rem}.cast-strip article>span{flex-basis:1.55rem;width:1.55rem;height:1.55rem;font-size:.72rem}.cast-strip strong{text-overflow:ellipsis;white-space:nowrap;font-size:.62rem;overflow:hidden}.cast-strip p{display:none}.season-grid{gap:.7rem}.season-card{grid-template-columns:58px minmax(0,1fr);gap:.7rem;padding:.7rem}.season-number{gap:.1rem;min-height:100%}.season-number span{font-size:.54rem}.season-number strong{font-size:2rem}.season-card .eyebrow{margin-bottom:.15rem}.season-card h2{font-size:clamp(1.05rem,4.7vw,1.2rem);line-height:1.05}.season-card>div:last-child>strong{font-size:.77rem;line-height:1.25;display:block}.season-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:.4rem 0 .55rem;font-size:.72rem;line-height:1.35;display:-webkit-box;overflow:hidden}.season-footer{gap:.45rem;padding-top:.55rem}.season-footer>span{font-size:.65rem}.season-footer .secondary-button{flex:none;width:auto;min-height:40px;padding:.55rem .65rem;font-size:.72rem}.season-hero{gap:.6rem;margin-bottom:.75rem}.season-hero>div>strong{font-size:.8rem;line-height:1.25}.season-hero blockquote{margin-bottom:0;padding:.7rem;font-size:.82rem;line-height:1.4}.season-evidence{grid-template-columns:1fr;gap:.45rem;margin:0 0 .75rem;padding:.7rem}.season-evidence h2{margin-bottom:0;font-size:1rem}.season-evidence p{display:none}.season-evidence dl{min-width:0}.season-evidence dl>div{padding:.25rem .35rem}.season-evidence dl>div:first-child{border-left:0}.season-evidence dt{font-size:.53rem}.season-evidence dd{margin-top:.1rem;font-size:1.2rem}.chapter-row{align-items:flex-start;gap:.55rem;padding:.65rem}.chapter-index{flex-basis:2.35rem;width:2.35rem;height:2.35rem;font-size:.72rem}.chapter-copy>span{font-size:.56rem}.chapter-copy h2{margin-bottom:.25rem;font-size:1rem}.chapter-copy>p{display:none}.chapter-row.locked .chapter-preview{margin:.3rem 0 .5rem;font-size:.75rem}.chapter-copy>div{gap:.25rem}.chapter-copy>div span,.chapter-copy>div strong{font-size:.58rem}.round-button{margin-left:auto}.lesson-nav{grid-template-columns:1fr auto;gap:.5rem;margin-bottom:.55rem}.lesson-nav>.text-button{min-height:40px;padding:.4rem 0}.lesson-nav>span{font-size:.68rem}.lesson-nav>div{display:none}.stage-track{gap:.4rem;margin-bottom:.6rem}.stage-track li{flex-basis:9.25rem;gap:.4rem;padding:.45rem}.stage-track li>span{flex-basis:1.5rem;width:1.5rem;height:1.5rem}.stage-track small{font-size:.5rem}.stage-track strong{font-size:.62rem}.lesson-layout{grid-template-columns:minmax(0,1fr)}.story-panel,.checkpoint-panel{border-radius:.85rem}.story-panel{padding:.9rem}.chapter-meta{margin-bottom:.75rem}.story-panel h1{margin-bottom:.55rem;font-size:clamp(1.65rem,7vw,1.85rem)}.story-opening{font-size:.95rem;line-height:1.5}.stage-intro{margin:.8rem 0;padding:.8rem}.stage-intro h2{font-size:1.15rem}.stage-intro>strong{font-size:.82rem}.stage-intro>p{margin-top:.65rem;padding-top:.65rem;font-size:.92rem;line-height:1.45}.story-panel blockquote,.worked-example,.math-evidence{margin:.8rem 0;padding:.8rem}.checkpoint-panel{scroll-margin-top:calc(4.3rem + env(safe-area-inset-top));padding:.9rem}.checkpoint-panel h2{margin-bottom:.45rem;font-size:1.25rem}.checkpoint-prompt{margin-bottom:.75rem;font-size:.9rem;line-height:1.4}.checkpoint-panel fieldset{gap:.4rem}.answer-option{min-height:2.8rem;padding:.45rem}.checkpoint-actions{gap:.45rem}.checkpoint-actions .primary-button{flex:none;width:auto;padding:.65rem .75rem;font-size:.78rem}.walkthrough-button{gap:.35rem;font-size:.76rem}.walkthrough-button>span{width:1.65rem;height:1.65rem}.geometry-visual{grid-template-columns:1fr}.geometry-visual>div{flex-wrap:wrap;display:flex}.walkthrough-modal{padding-right:max(.5rem, env(safe-area-inset-right));padding-left:max(.5rem, env(safe-area-inset-left))}.walkthrough-dialog{border-radius:.9rem;max-height:calc(100dvh - 1rem);padding:1rem}.walkthrough-header h2{font-size:min(6.4vw,1.4rem)}.walkthrough-question{margin:.8rem 0;font-size:.9rem;line-height:1.4}.walkthrough-steps{padding:.75rem}.walkthrough-steps>div,.walkthrough-footer{flex-direction:column;align-items:stretch}.walkthrough-footer .primary-button,.walkthrough-footer .secondary-button{width:100%}.finale-page{width:min(100% - 1rem,820px);padding:1.5rem 0 2.5rem}.finale-page h1{font-size:clamp(1.65rem,7vw,1.85rem);line-height:1}.finale-page blockquote{margin:1rem 0;padding:1rem;font-size:1rem;line-height:1.45}.finale-standards{flex-direction:column;align-items:stretch}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.learning-welcome{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:0 0 1.8rem;padding:0;list-style:none;display:grid}.learning-welcome li{background:var(--paper);border:1px solid var(--line);border-radius:1rem;align-items:center;gap:.8rem;padding:1rem;display:flex}.learning-welcome li>span{width:2.6rem;height:2.6rem;color:var(--signal-deep);background:#e5efeb;border-radius:.8rem;flex:0 0 2.6rem;place-items:center;font-weight:850;display:grid}.learning-welcome strong{font-size:.95rem}.learning-welcome p{color:var(--ink-soft);margin:.25rem 0 0;font-size:.85rem;line-height:1.5}.reading-path{color:var(--ink-soft);flex-wrap:wrap;gap:.6rem 1.2rem;margin-top:1rem;font-size:.9rem;display:flex}.reading-path span:first-child{color:var(--signal);font-weight:800}.reading-help-note{color:var(--signal-deep);background:#e5efeb;border-radius:.8rem;padding:1rem}.lesson-size{color:var(--ink-soft);text-align:center;font-size:.85rem}.student-lesson-heading{justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:1.2rem;display:flex}.student-lesson-heading h1{letter-spacing:-.035em;margin:0;font-size:clamp(1.65rem,3vw,2.5rem)}.student-lesson-heading>p{color:var(--ink-soft);margin:0;font-size:.9rem;line-height:1.6}.student-stage-track{grid-template-columns:repeat(6,minmax(0,1fr));gap:.5rem;display:grid;overflow:visible}.student-stage-track li{flex:auto;min-width:0;padding:.65rem}.student-stage-track li>span:not(.sr-only){background:#696d65}.student-stage-track li.current>span:not(.sr-only){background:var(--signal)}.student-stage-track li.complete>span:not(.sr-only){background:var(--correct)}.student-stage-track strong{white-space:normal;font-size:.8rem;line-height:1.3;overflow:visible}.student-stage-track .sr-only{width:1px;height:1px;padding:0;position:absolute}.student-lesson .checkpoint-panel{padding:clamp(1.2rem,3vw,2rem);position:static}.student-lesson .checkpoint-panel h2{margin:1.4rem 0 .8rem;font-size:1.6rem}.student-lesson .checkpoint-panel h2:focus{outline:none}.question-progress{color:var(--signal);flex-wrap:wrap;justify-content:space-between;gap:.4rem;font-size:.85rem;font-weight:750;display:flex}.question-progress-bar{width:100%;height:.4rem;accent-color:var(--signal);background:#e2e7df;border:0;border-radius:1rem;margin-top:.75rem;display:block}.question-progress-bar::-webkit-progress-bar{background:#e2e7df;border-radius:1rem}.question-progress-bar::-webkit-progress-value{background:var(--signal);border-radius:1rem}.question-progress-bar::-moz-progress-bar{background:var(--signal);border-radius:1rem}.student-lesson .checkpoint-prompt,.help-dialog .checkpoint-prompt{color:var(--ink);font-size:1.1rem;line-height:1.65}.student-lesson .answer-option,.help-dialog .answer-option{background:#fffdf8;border-radius:.8rem;min-height:3.5rem;padding:.9rem}.student-lesson .answer-option.selected,.help-dialog .answer-option.selected{border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal);background:#e4efea}.student-lesson .answer-option strong,.help-dialog .answer-option strong{overflow-wrap:anywhere;font-size:1rem;line-height:1.5}.student-lesson .answer-option:focus-within,.help-dialog .answer-option:focus-within{outline:3px solid var(--signal);outline-offset:3px}.student-lesson .checkpoint-actions{flex-wrap:wrap;gap:.75rem}.student-lesson .checkpoint-actions button{min-height:48px;font-size:.95rem}.student-lesson .checkpoint-actions .primary-button{flex:1;padding:.8rem 1.2rem}.student-reassurance{color:var(--ink-soft);text-align:center;margin:1rem 0 0;font-size:.85rem;line-height:1.5}.lesson-companion{gap:1rem;min-width:0;display:grid}.companion-goal{padding:1.1rem .4rem}.companion-goal h2{margin-bottom:.6rem;font-size:1.3rem}.companion-goal p:last-child{color:var(--ink-soft);margin-bottom:0;line-height:1.6}.story-reminder{box-shadow:none;padding:0 1.1rem}.story-reminder>p{font-family:Georgia,serif;line-height:1.7}.story-reminder blockquote{margin:1rem 0;padding:0;font-size:1rem;display:block}.basics-card{background:#e7efea;border:1px solid #bbd1c9;border-radius:1rem;padding:1.3rem}.basics-symbol{color:var(--signal-deep);background:#fffdf8;border-radius:.7rem;margin-bottom:.8rem;padding:.5rem .8rem;font-size:1rem;font-weight:800;display:inline-block}.basics-card h2{margin-bottom:.5rem;font-size:1.35rem}.basics-card p{color:var(--signal-deep);line-height:1.6}.basics-card button{white-space:normal;width:100%}.lesson-alignment,.support-alignment{color:var(--ink-soft);font-size:.85rem;line-height:1.6}.lesson-alignment .standards-panel{margin-top:0}.question-visual,.help-reference{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:.8rem 0 1rem}.student-lesson summary,.help-dialog summary,.support-alignment summary{cursor:pointer;min-height:48px;padding:.85rem 0;font-weight:700;line-height:1.5}.question-visual summary{color:var(--signal);font-size:.9rem}.struggle-support,.help-invitation{background:#edf3ee;border:1px solid #c7d8d0;border-radius:.85rem;margin-top:1.2rem;padding:1rem}.struggle-support p,.help-invitation p{color:var(--ink-soft);line-height:1.6}.help-dialog{overflow-wrap:anywhere;width:min(680px,100%)}.help-dialog button{white-space:normal;min-height:48px}.help-dialog h3{margin-bottom:.75rem;font-size:1.3rem;line-height:1.4}.help-reassurance{color:var(--ink-soft);margin:.7rem 0 1.3rem;font-size:.95rem;line-height:1.6}.help-modes{background:var(--paper-deep);border-radius:.9rem;grid-template-columns:1fr 1fr;gap:.4rem;margin-bottom:1.2rem;padding:.35rem;display:grid}.help-modes button{color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:.65rem;padding:.65rem;font-size:.9rem;font-weight:750}.help-modes button[aria-pressed=true]{background:var(--signal-deep);color:#fff}.help-step{background:#fff5d7;border:1px solid #dbc98b;border-radius:.85rem;margin:1rem 0;padding:1.3rem}.help-step>p:last-child{margin:0;font-size:1.1rem;line-height:1.75}.help-step-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.6rem;margin-bottom:1rem;display:flex}.help-reference p,.help-reference li{color:var(--ink);line-height:1.7}.help-reference li{padding:.4rem 0}.help-invitation button+button{margin-top:.65rem}.help-invitation button{width:100%}.foundation-connection{color:var(--ink-soft);font-size:.95rem;line-height:1.65}.foundation-picker{gap:.5rem;margin:1rem 0 1.5rem;display:grid}.foundation-picker button{text-align:left;border:1px solid var(--line);background:var(--paper);color:var(--ink);font:inherit;cursor:pointer;border-radius:.7rem;align-items:center;gap:.7rem;padding:.7rem;font-size:.9rem;display:flex}.foundation-picker button>span{background:var(--paper-deep);border-radius:50%;flex:0 0 1.8rem;place-items:center;height:1.8rem;font-weight:800;display:grid}.foundation-picker button[aria-pressed=true]{border:2px solid var(--signal);background:#e7efea;padding:calc(.7rem - 1px);font-weight:750}.foundation-picker button[aria-pressed=true]>span{background:var(--signal);color:#fff}.foundation-lesson>p{line-height:1.65}.foundation-answers{border:0;gap:.65rem;margin:0;padding:0;display:grid}.practice-check{width:100%;margin-top:.85rem}.help-exit{border-top:1px solid var(--line);margin-top:1.25rem;padding-top:.5rem}.help-exit button{width:100%}@media (width<=980px){.student-stage-track li{text-align:center;flex-direction:column;align-items:center;padding:.55rem .25rem}.student-stage-track strong{font-size:.75rem}.student-lesson-layout{grid-template-columns:minmax(0,1fr)}.lesson-companion{grid-template-columns:1fr 1fr}.companion-goal,.lesson-alignment{grid-column:1/-1}}@media (width<=600px){.catalog-intro-full,.learning-welcome{display:none}.catalog-intro-compact{display:inline}.student-lesson-heading{align-items:flex-start;gap:.5rem;margin-bottom:.9rem}.student-lesson-heading>p{display:none}.student-stage-track{gap:.25rem;margin-bottom:1rem}.student-stage-track li{background:0 0;border:0;border-radius:.5rem;gap:.3rem}.student-stage-track strong{overflow-wrap:anywhere;font-size:.65rem;line-height:1.3}.student-stage-track li>span:not(.sr-only){flex-basis:1.6rem;width:1.6rem;height:1.6rem}.student-lesson .checkpoint-panel{scroll-margin-top:calc(4.5rem + env(safe-area-inset-top));padding:1rem}.student-lesson .checkpoint-panel h2{margin-top:1.1rem;font-size:1.45rem}.student-lesson .checkpoint-prompt,.help-dialog .checkpoint-prompt{font-size:1rem;line-height:1.65}.student-lesson .answer-option,.help-dialog .answer-option{min-height:3.4rem;padding:.75rem}.student-lesson .checkpoint-panel fieldset{gap:.65rem}.student-lesson .checkpoint-actions{flex-direction:column-reverse;gap:.5rem}.student-lesson .checkpoint-actions button{justify-content:center;width:100%}.lesson-companion{grid-template-columns:minmax(0,1fr);gap:.75rem}.companion-goal{padding:.8rem}.reading-path{font-size:.8rem}.help-dialog .walkthrough-header h2{font-size:1.4rem;line-height:1.2}.help-dialog .walkthrough-close{flex-shrink:0;width:48px;height:48px}.help-step{padding:1rem}.help-step>p:last-child{font-size:1rem}.help-modes button{font-size:.85rem}.help-step-actions{align-items:stretch}.help-step-actions .primary-button{flex:1}.foundation-picker{margin-bottom:1rem}}@media (prefers-reduced-motion:reduce){.student-lesson *,.help-dialog *{scroll-behavior:auto;transition:none}}.question-heading-row{justify-content:space-between;align-items:center;gap:.7rem;margin-top:.7rem;display:flex}.student-lesson .question-heading-row h2{margin:.7rem 0}.quick-help{min-height:48px;color:var(--signal);font:inherit;cursor:pointer;background:0 0;border:0;flex:none;align-items:center;gap:.35rem;padding:.5rem;font-size:.9rem;font-weight:750;display:inline-flex}.quick-help span{border:1.5px solid;border-radius:50%;place-items:center;width:1.3rem;height:1.3rem;display:grid}.quick-help:disabled{color:var(--ink-soft);opacity:.6;cursor:default}.help-content:focus{outline:none}.prewarm-panel>.reading-help-note:not(.eyebrow){color:var(--signal-deep)}.prewarm-panel .support-alignment{color:#fffaf0}.header-context{min-width:0}.learner-chip{min-width:0;max-width:12rem}.learner-chip b{flex-shrink:0}.learner-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.settings-button{flex-shrink:0}@media (width<=650px){.app-header{gap:.5rem}.header-context{gap:.4rem}.learner-chip{max-width:28vw}.brand{flex-shrink:0}}@media (width<=380px){.brand-icon{width:1.5rem;height:1.5rem}.learner-chip b{display:none}.student-stage-track{grid-template-columns:repeat(3,minmax(0,1fr))}.student-stage-track li{text-align:left;flex-direction:row;padding:.4rem}.student-stage-track strong{font-size:.7rem}}.course-card{grid-template-rows:300px auto}.course-art{background:#163c40;min-height:0}.course-art img{object-fit:cover;object-position:50% 67%;width:100%;height:100%;display:block}.course-art .cover-series{color:#fff8e5;letter-spacing:.14em;background:#192b29e8;border-radius:2rem;padding:.45rem .65rem;font-size:.62rem;top:1rem;left:1rem}.chapter-artwork{float:right;width:min(44%,260px);margin:.4rem 0 1.2rem 1.5rem}.chapter-artwork img{border-radius:.85rem;width:100%;height:auto;display:block;box-shadow:0 5px 18px #392e2020}.chapter-artwork figcaption{color:var(--ink-soft);margin-top:.6rem;font-size:.75rem;line-height:1.45}.reading-sheet footer{clear:both}.interactive-math{color:#303c38;background:#f5f7ee;border:1px solid #cdd9cf;border-radius:1.1rem;min-width:0;margin:1.1rem 0 1.5rem;padding:1.05rem}.model-heading{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.model-heading h3{flex:1;margin:0;font-family:inherit;font-size:1rem;line-height:1.35}.model-spark{color:#946111;font-size:1.3rem}.model-live{color:#265a48;background:#e0ebdf;border-radius:1rem;padding:.3rem .5rem;font-size:.66rem;font-weight:750}.model-reference{margin:.35rem 0;font-size:.9rem;font-weight:750;line-height:1.5}.model-invitation{color:#506057;margin:.3rem 0 .8rem;font-size:.82rem;line-height:1.5}.model-stage{background:#fffdf7;border:1px solid #e3e2d6;border-radius:.8rem;padding:.65rem;overflow:hidden}.interactive-scene{width:100%;height:auto;min-height:120px;display:block;overflow:visible}.model-observation{overflow-wrap:anywhere;margin:.55rem 0 0;font-size:.82rem;line-height:1.55}.model-motion{transition:transform .36s cubic-bezier(.2,.8,.3,1),cx .36s,cy .36s,x .36s,y .36s,width .36s,height .36s,fill .24s,d .36s}.answer-explorer>label,.model-tools>label{margin:.85rem 0 .25rem;font-size:.82rem;font-weight:750;display:block}.model-slider-row{grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:.75rem;display:grid}.model-slider-row button{color:#244a3b;cursor:pointer;touch-action:manipulation;background:#fffdf7;border:1px solid #9fbaaa;border-radius:50%;min-width:44px;min-height:44px;font-size:1.45rem}.model-slider-row button:disabled{opacity:.5;cursor:default}.interactive-math input[type=range]{accent-color:#24644f;cursor:pointer;touch-action:pan-y;width:100%;min-width:0;height:44px;margin:0;padding:0;display:block}.interactive-math input[type=range]:focus-visible,.interactive-math button:focus-visible{outline-offset:3px;outline:3px solid #264c9e}.model-choice{color:#59421a;overflow-wrap:anywhere;background:#f3e5c4;border-radius:.7rem;min-height:1.6em;margin:.5rem 0 0;padding:.65rem .8rem;font-size:.9rem;font-weight:750;line-height:1.5}.model-tools{border-top:1px solid #dbe1d4;margin-top:.8rem;padding-top:.55rem}.model-tools summary{cursor:pointer;padding:.3rem 0;font-size:.8rem;font-weight:700;line-height:1.5}.model-tools>p,.model-input-note{color:#546259;margin:.5rem 0 0;font-size:.7rem;line-height:1.5}.measurement-preview{background:#eff1e8;border-radius:.6rem;gap:.45rem;padding:.7rem;font-size:.85rem;line-height:1.45;display:grid}.measurement-preview strong{color:#745011}.outcome-grid{grid-template-columns:repeat(auto-fit,minmax(50px,1fr));gap:.35rem;display:grid}.outcome-grid button{color:#30483a;cursor:pointer;background:#edf3e9;border:1px solid #a1b6a8;border-radius:.55rem;min-width:0;min-height:48px;padding:.35rem;font-size:.72rem}.outcome-grid button.inspected{background:#f4dc9e;border-color:#927137}.outcome-grid button small{font-size:.62rem;display:block}.factor-tray{grid-template-columns:repeat(6,minmax(0,1fr));gap:.4rem;padding:1rem 0;display:grid}.factor-tray span{background:#f0f2e8;border:1px dashed #b9c8bb;border-radius:.55rem;place-items:center;min-height:42px;font-size:1rem;display:grid}.factor-tray span.revealed{background:#f4ddaa;border-style:solid;border-color:#ac7b21;transform:translateY(-3px)}.power-readout{text-align:center;overflow-wrap:anywhere;font-size:1rem;font-weight:700;line-height:1.8}@media (width<=700px){.course-card{grid-template-rows:210px auto}.course-art img{object-position:50% 69%}.chapter-artwork{float:none;width:min(100%,310px);margin:0 auto 1.2rem}.chapter-artwork img{object-fit:cover;max-height:190px}.chapter-artwork figcaption{text-align:center}.interactive-math{padding:.75rem}.model-stage{padding:.45rem}.model-heading h3{font-size:.92rem}.model-live{display:none}.model-slider-row{gap:.45rem}}@media (prefers-reduced-motion:reduce){.model-motion,.factor-tray span{transition:none!important;animation:none!important}}.relation-picker{flex-wrap:wrap;gap:.5rem;margin-bottom:.8rem;display:flex}.relation-picker button{color:#30483a;cursor:pointer;background:#f4f5eb;border:1px solid #a1b6a8;border-radius:.6rem;min-height:44px;padding:.5rem .75rem}.relation-picker button[aria-pressed=true]{background:#f4dc9e;border-color:#927137}.course-art{height:300px}.course-art img{min-height:0}@media (width<=700px){.course-art{height:210px}}.measurement-meter{background:#d9e7dd;border:1px solid #9eb8a5;border-radius:6px;height:18px;overflow:hidden}.measurement-meter>span{background:#c28b20;border-radius:4px;height:100%;display:block}@media (width<=700px){.checkpoint-panel .checkpoint-actions{z-index:4;padding:.7rem .1rem max(.7rem, env(safe-area-inset-bottom));background:var(--paper);border-top:1px solid var(--line);box-shadow:0 -8px 14px var(--paper);position:sticky;bottom:0}.interactive-math input[type=range],.answer-option{scroll-margin-bottom:7rem}}.student-lesson{max-width:1040px}.student-lesson-layout{grid-template-columns:minmax(0,1fr)}.student-lesson-heading{margin-bottom:.35rem}.student-lesson-heading h1{font-size:clamp(1.5rem,3vw,2rem)}.student-lesson-heading>p{display:none}.discovery-path{color:var(--ink-soft);margin-bottom:.6rem;font-size:.8rem}.student-lesson .discovery-path>summary{min-height:44px;padding:.65rem 0}.discovery-path .student-stage-track{margin-bottom:.5rem}.saved-clue-count{color:var(--ink-soft);margin:.5rem 0;font-size:.9rem}.clue-track{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.5rem;padding:0;list-style:none;display:grid}.clue-track button{width:100%;min-height:44px;color:inherit;font:inherit;text-align:left;background:0 0;border:1px solid;border-radius:.6rem;padding:.65rem}.clue-track button.complete{color:var(--correct)}.clue-track button[aria-current=step]{outline:2px solid var(--signal);outline-offset:2px}.clue-track button:disabled{opacity:.65}.clue-and-answers{gap:1rem;padding-top:1.3rem;display:grid}.clue-copy,.clue-answer-column{min-width:0}.student-lesson .clue-copy h2{margin:0 0 .6rem;font-size:1.4rem}.student-lesson .clue-copy .checkpoint-prompt{margin:0;line-height:1.6}.answer-choices{grid-template-columns:repeat(2,minmax(0,1fr));min-width:0;margin:0}.answer-choices.long-choices{grid-template-columns:minmax(0,1fr)}.student-lesson .answer-choices .answer-option,.help-dialog .answer-choices .answer-option{cursor:pointer;grid-template-columns:1.75rem minmax(0,1fr);gap:.55rem;min-width:0;padding:.7rem}.answer-choices .answer-option>span{width:1.75rem;height:1.75rem}.student-lesson .answer-choices strong,.help-dialog .answer-choices strong{font-size:.95rem;font-weight:650;line-height:1.45}.student-lesson .checkpoint-actions{box-shadow:none;background:0 0;border:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:.6rem;padding:0;display:grid;position:static}.student-lesson .checkpoint-actions button{white-space:normal;justify-content:center;width:100%;min-width:0;font-size:.85rem}.student-lesson .checkpoint-actions .primary-button{padding:.65rem}.student-lesson .walkthrough-button{border:1px solid var(--line);color:var(--signal-deep);background:#f0f5ef;border-radius:.75rem;padding:.55rem}.student-lesson .walkthrough-button>span{flex:0 0 1.4rem;width:1.4rem;height:1.4rem;font-size:.85rem}.visual-guide{min-width:0}.visual-guide>summary{color:var(--signal-deep);align-items:center;gap:.65rem;list-style:none;display:flex}.visual-guide>summary::-webkit-details-marker{display:none}.visual-guide>summary:before{content:"+";text-align:center;width:1rem;font-size:1.2rem}.visual-guide[open]>summary:before{content:"−"}.visual-guide>summary small{color:var(--ink-soft);margin-left:auto;font-size:.72rem;font-weight:500}.visual-guide .interactive-math{margin:0 0 1rem}.visual-guide-description{color:var(--ink-soft);margin-top:.15rem;font-size:.72rem;font-weight:450;line-height:1.4;display:block}.clue-exploration{background:#f3f6ee;border:1px solid #cbd8ce;border-radius:.8rem;margin-top:.85rem}.student-lesson .clue-exploration>summary{min-height:44px;padding:.65rem .7rem;font-size:.85rem;line-height:1.4}.clue-exploration>summary:focus-visible{outline-offset:3px;border-radius:.8rem;outline:3px solid #264c9e}.clue-exploration[open]>summary{border-bottom:1px solid #d8e1d6}.clue-exploration .embedded-math{margin:0;padding:.65rem}.model-context{margin:.65rem .65rem 0;font-size:.82rem;line-height:1.5}.model-context>strong,.model-reference-label{color:var(--ink-soft);margin-bottom:.2rem;font-size:.7rem;font-weight:650;display:block}.student-lesson .student-reassurance{margin-top:.65rem;font-size:.75rem}.student-lesson .lesson-companion{flex-wrap:wrap;align-items:flex-start;gap:.5rem 1.5rem;display:flex}.lesson-companion .story-reminder{background:0 0;border:0;flex:250px;padding:0}.student-lesson .basics-link{min-height:48px;color:var(--signal-deep);font-size:.85rem}.lesson-companion .lesson-alignment{flex:100%}.lesson-companion summary{font-size:.85rem}.idle-hint{color:#5b4018;background:#fff2cf;border:1px solid #c9a963;border-radius:.85rem;grid-column:1/-1;align-items:center;gap:.5rem;margin-bottom:.85rem;padding:.25rem .4rem .25rem .85rem;display:flex;position:relative}.idle-hint p{flex:1;margin:0;font-size:.85rem;line-height:1.45}.student-lesson .idle-hint button{color:#5b4018;background:0 0;border:0;border-radius:50%;flex:0 0 44px;width:44px;height:44px;font-size:1.4rem}.hint-arrow{z-index:1;fill:none;stroke:#835914;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;width:32px;height:32px;animation:1.2s ease-in-out 3 hint-point;position:absolute;bottom:-27px;left:1rem;overflow:visible}.has-idle-hint .walkthrough-button{outline-offset:3px;outline:2px solid #b5822b;position:relative}.has-idle-hint .walkthrough-button>span{animation:1.2s ease-in-out 3 hint-circle;box-shadow:0 0 0 5px #f5d988}@keyframes hint-point{50%{transform:translateY(4px)}}@keyframes hint-circle{50%{box-shadow:0 0 0 8px #f5d98880}}.help-overlay{z-index:90;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#241a3494}.help-dialog{max-height:min(820px, calc(100dvh - max(2rem, env(safe-area-inset-top) + env(safe-area-inset-bottom))));background:linear-gradient(145deg,#fcf8ff,#f0eaf7);border:2px solid #f8efff;border-radius:1.5rem;flex-direction:column;padding:0;display:flex;overflow:hidden;box-shadow:0 0 24px 6px #dac4ec80,0 24px 90px #1c102970}.help-dialog .walkthrough-header{background:#e9def3;border-bottom:1px solid #d1bddf;flex:none;align-items:center;padding:1.3rem 1.5rem}.help-dialog .walkthrough-header .eyebrow{color:#603675;margin-bottom:.35rem}.help-dialog .walkthrough-header h2{color:#3f2851;font-size:1.6rem;line-height:1.2}.help-dialog .walkthrough-close{background:#603b74;flex-shrink:0}.help-scroll-area{overscroll-behavior:contain;min-height:0;padding:1rem 1.5rem;overflow-y:auto}.help-dialog .help-reassurance{margin:0 0 1rem}.help-dialog .help-modes{background:#e4d8ee;margin-bottom:.75rem}.help-dialog .help-modes button[aria-pressed=true]{background:#603b74}.help-dialog .help-step{background:#fffdf6;border-color:#dbcae4;box-shadow:0 3px 12px #58327309}.help-dialog .help-exit{padding:.35rem 1.5rem max(.35rem, env(safe-area-inset-bottom));background:#e9def3;border-top:1px solid #d1bddf;flex:none;margin:0}.help-dialog .help-exit button{color:#4e2e63}.help-dialog .help-invitation{background:#eae2f2;border-color:#d6c6e1;padding:.8rem}.help-dialog .help-invitation>p{margin:.4rem 0}@media (width>=850px){.clue-and-answers{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:2rem}.clue-copy{top:calc(5.4rem + env(safe-area-inset-top));position:sticky}}@media (width<=600px){.student-lesson .checkpoint-panel{padding:1rem}.clue-and-answers{padding-top:1rem}.student-lesson .answer-choices .answer-option,.help-dialog .answer-choices .answer-option{padding:.6rem}.help-overlay{padding:max(.75rem, env(safe-area-inset-top)) max(.75rem, env(safe-area-inset-right)) max(.75rem, env(safe-area-inset-bottom)) max(.75rem, env(safe-area-inset-left))}.help-dialog{max-height:calc(100dvh - max(1.5rem, env(safe-area-inset-top) + env(safe-area-inset-bottom)));border-radius:1.15rem}.help-dialog .walkthrough-header{padding:1rem}.help-scroll-area{padding:.8rem 1rem}.help-dialog .walkthrough-header h2{font-size:1.35rem}.help-dialog .help-exit{padding-left:1rem;padding-right:1rem}}@media (prefers-reduced-motion:reduce){.hint-arrow,.has-idle-hint .walkthrough-button>span{animation:none}}.embedded-math{background:0 0;border:0;border-radius:0;margin:.55rem 0 0;padding:0}.embedded-math .model-reference{margin:0 0 .65rem;font-size:.82rem;font-weight:650}.embedded-math .answer-explorer>label{margin:.5rem 0 0;font-size:.72rem;font-weight:550}.embedded-math .model-stage{background:#f0f3eb;border:0;border-radius:.7rem;padding:.3rem 0}.embedded-math .interactive-scene{max-width:100%;height:145px;min-height:0;overflow:hidden}.embedded-math .object-scene{height:124px}.embedded-math .model-slider-row{grid-template-columns:44px minmax(0,1fr) 44px;gap:.35rem}.embedded-math .model-slider-row button{background:0 0;border-color:#0000;font-size:1.2rem}.embedded-math .answer-explorer{margin-top:.15rem}.embedded-math .model-tools{border:0;margin:0;padding:0}.student-lesson .embedded-math .model-tools>summary{min-height:32px;color:var(--ink-soft);padding:.35rem 0;font-size:.7rem}.embedded-math .model-invitation,.embedded-math .model-observation,.embedded-math .model-choice,.embedded-math .model-input-note,.embedded-math .measurement-preview>span,.embedded-math .measurement-preview>strong{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.embedded-math:has(.model-tools[open]) .model-observation{clip-path:none;white-space:normal;width:auto;height:auto;margin:0;padding:.5rem;position:static}.embedded-math .measurement-preview{padding:.3rem .65rem}.embedded-math .measurement-meter{height:8px}.embedded-math .factor-tray{padding:.6rem}.embedded-math .power-readout{margin:0 0 .4rem;font-size:.85rem}.embedded-math .relation-picker{gap:.25rem;margin:.2rem .4rem}.embedded-math .relation-picker button{padding:.3rem .45rem;font-size:.72rem}.embedded-math .outcome-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:.2rem}.model-motion{transition-property:transform,cx,cy,x,y,width,height,fill,d,stroke,stroke-dasharray}@media (width>=850px){.clue-and-answers{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.clue-answer-column{top:calc(5.4rem + env(safe-area-inset-top));position:sticky}.clue-copy{position:static}}@media (width<=600px){.student-lesson .student-lesson-heading h1{font-size:1.45rem}.student-lesson .lesson-nav{margin-bottom:.25rem}.student-lesson .student-lesson-heading .eyebrow{margin-bottom:.3rem}.embedded-math .interactive-scene{height:130px}.embedded-math .object-scene{height:114px}.clue-and-answers{gap:.75rem}}.embedded-math .outcome-grid,.embedded-math .relation-picker{display:none}.embedded-math:has(.model-tools[open]) .outcome-grid{display:grid}.embedded-math:has(.model-tools[open]) .relation-picker{display:flex}.embedded-math .object-scene[data-short-scene=true]{height:100px}.model-subject{color:#176765;margin:0 0 .25rem;font-weight:750}.model-caption,.model-axis-key{color:#39483e;overflow-wrap:anywhere;margin:.45rem 0;font-size:.83rem;line-height:1.45}.model-axis-key{background:#edf2e9;border-radius:.6rem;padding:.4rem .6rem}.geometry-details text{text-anchor:middle;fill:#303c38;font-size:13px}.association-picture{text-align:center;padding:.7rem}.association-condition{background:#e0eee5;border:1px solid #a6c8b6;border-radius:.85rem;gap:.2rem;padding:.65rem;display:grid}.association-condition>span{font-size:1.6rem}.association-condition small{color:#465947}.association-links{color:#176765;letter-spacing:.6rem;font-size:1.7rem}.association-outcomes{grid-template-columns:1fr 1fr;gap:.7rem;display:grid}.association-outcomes>span{background:#fff0c9;border:1px solid #dfc889;border-radius:.65rem;padding:.65rem .3rem;font-size:.9rem}.geometry-details text.proposed-measure{fill:#825609;font-weight:650}:root{--ui-bg:#f6f3eb;--ui-surface:#fffdf7;--ui-soft:#edf0e6;--ui-nav:#faf8f1f5;--ui-text:#26473d;--ui-muted:#607065;--ui-line:#cbd5c8;--ui-primary:#244b3e;--ui-on-primary:#fffbed;--ui-warm:#925737;--ui-positive:#276247;--ui-warning:#8a3d1b;--ui-positive-bg:#e6f0e6;--ui-warning-bg:#fff1e0}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ui-bg:#101a18;--ui-surface:#1b2925;--ui-soft:#26382f;--ui-nav:#14211df5;--ui-text:#eef0e4;--ui-muted:#bbc8bc;--ui-line:#4c6355;--ui-primary:#b3dbbd;--ui-on-primary:#13271d;--ui-warm:#f0ba81;--ui-subject-color:#bfdccc;--ui-positive:#b6dfbd;--ui-warning:#f3c697;--ui-positive-bg:#213c2b;--ui-warning-bg:#3b2d20;--ink:var(--ui-text);--ink-soft:var(--ui-muted);--paper:var(--ui-surface);--paper-deep:var(--ui-soft);--line:var(--ui-line);--signal:#97d0ba;--signal-deep:#244c43;--glasswing:#deb7d5;--glasswing-deep:#543a50;--correct:var(--ui-positive);--correct-soft:var(--ui-positive-bg);--retry:var(--ui-warning);--retry-soft:var(--ui-warning-bg);--shadow:0 18px 45px #0004;--model-ink:#e0e8de;--model-pale:#35453b;--model-teal:#74bda9;--model-on-teal:#142b22;--model-gold-pale:#534325;--model-gold-text:#f0c884;--model-negative:#ffb0a5;background:var(--ui-bg);color:var(--ui-text)}html[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html[data-theme] body{background:var(--ui-bg);color:var(--ink)}html[data-theme] .fable-app{--subject-ink:var(--day-ink);--subject-paper:var(--day-paper)}.fable-app.science{--day-ink:#205645;--day-paper:#f1f3e6;--night-ink:#d2e4d5;--night-paper:#12201b}.fable-app.words{--day-ink:#7e3047;--day-paper:#fff5eb;--night-ink:#f1d9df;--night-paper:#251c24}.fable-app.history{--day-ink:#633f24;--day-paper:#f3ead7;--night-ink:#ebdfc8;--night-paper:#251f17}.fable-app.atlas{--day-ink:#164e70;--day-paper:#eaf2ee;--night-ink:#d0e3ec;--night-paper:#15222c}.fable-app.code{--day-ink:#3e367e;--day-paper:#eeedf8;--night-ink:#e0daf0;--night-paper:#201e2e}.fable-app.markets{--day-ink:#763724;--day-paper:#fff0de;--night-ink:#efdccb;--night-paper:#271d19}html[data-theme=dark] .fable-app{--subject-ink:var(--night-ink);--subject-paper:var(--night-paper)}html[data-theme] .fable-app.code :is(.chapter-eyebrow,.title-dot,.evidence-card .eyebrow,.trace-message){color:var(--ink)}html[data-theme] .fable-app.code :is(.choice,.evidence-board,.hero-art){background:var(--ui-surface)}html[data-theme] .fable-app.code :is(.hint,.feedback,.takeaway,.choice.selected){background:var(--ui-soft)}html[data-theme] .fable-app.code .primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}html[data-theme] .fable-app.code .choice.selected .choice-letter{background:var(--ink);color:var(--paper)}html[data-theme] .family-settings-shell{color:var(--ui-text)}html[data-theme] .settings-page-heading .settings-back-button{color:var(--ui-primary);justify-content:flex-start;font-size:.85rem}html[data-theme=dark] :is(.family-home,.fable-app){filter:none}html[data-theme=dark] :is(.settings-page,.settings-dialog){--ink:var(--ui-text);--ink-soft:var(--ui-muted);--line:var(--ui-line);--settings-blue:#add3ed;color:var(--ui-text);background:var(--ui-bg)}html[data-theme=dark] :is(.settings-nav,.settings-group,.settings-text-field,.settings-select-field,.settings-input-row,.settings-detail,.settings-action,.family-plan-grid>button,.family-plan-grid article,.family-plan-select select){color:var(--ui-text);background:var(--ui-surface);border-color:var(--ui-line)}html[data-theme=dark] .settings-dialog button:not(:disabled):hover{background:var(--ui-soft)}html[data-theme=dark] :is(.settings-field input,.settings-field select,.settings-input-row input,.settings-input-row select,.settings-text-field input,.settings-form input,.settings-form select){color:var(--ui-text);background:var(--ui-soft);border-color:var(--ui-line)}html[data-theme=dark] .settings-toggle-row input{background:#617368}html[data-theme=dark] .settings-toggle-row input:checked{background:#408058}html[data-theme=dark] .settings-toggle-row input:after{background:#f4f7ed}html[data-theme=dark] :is(.settings-radio-row input,.settings-toggle-row input,.settings-form input){accent-color:var(--ui-primary)}html[data-theme=dark] :is(.settings-footnote,.settings-caption,.settings-section h2,.settings-account-copy small,.settings-row-value){color:var(--ui-muted)}html[data-theme=dark] :is(.settings-notice,.feedback-card.correct){background:var(--ui-positive-bg);color:var(--ui-positive);border-color:var(--ui-line)}html[data-theme=dark] :is(.settings-notice.attention,.settings-error,.feedback-card.retry,.storage-alert){background:var(--ui-warning-bg);color:var(--ui-warning);border-color:var(--ui-line)}html[data-theme=dark] :is(.primary-button,.round-button){background:var(--ui-primary);color:var(--ui-on-primary)}html[data-theme=dark] :is(.secondary-button,.lesson-access-card,.access-symbol){background:var(--ui-soft);color:var(--ui-text);border-color:var(--ui-line)}html[data-theme=dark] :is(.reading-sheet p,.story-panel blockquote p,.checkpoint-prompt,.model-reference,.model-comparison,.model-caption){color:var(--ui-text)}html[data-theme=dark] :is(.stage-intro,.story-panel blockquote,.standards-panel,.readiness-panel,.readiness-panel strong,.student-stage-track li,.student-stage-track li.current,.stage-track li,.stage-track li.current,.lesson-companion,.help-step,.help-modes,.help-invitation,.geometry-visual span,.measurement-preview,.factor-tray span,.model-axis-key,.discovery-style.selected){background:var(--ui-soft);color:var(--ui-text);border-color:var(--ui-line)}html[data-theme=dark] :is(.math-evidence,.answer-option,.interactive-math,.clue-exploration,.help-dialog,.help-dialog .help-step,.model-stage){background:var(--ui-surface);color:var(--ui-text);border-color:var(--ui-line)}html[data-theme=dark] .answer-option.selected{border-color:var(--ui-primary);background:#2c493b}html[data-theme=dark] .answer-option>span{background:var(--ui-soft);color:var(--ui-text)}html[data-theme=dark] .answer-option.selected>span{background:var(--ui-primary);color:var(--ui-on-primary)}html[data-theme=dark] :is(.interactive-math .model-invitation,.model-input-note,.model-tools>p,.model-label,.help-reassurance,.help-step p,.student-reassurance){color:var(--ui-muted)}html[data-theme=dark] :is(.model-spark,.model-snapshot strong,.measurement-preview strong){color:var(--ui-warm)}html[data-theme=dark] :is(.model-live,.model-snapshot,.outcome-grid button,.relation-picker button){background:var(--ui-soft);color:var(--ui-text);border-color:var(--ui-line)}html[data-theme=dark] :is(.outcome-grid button.inspected,.relation-picker button[aria-pressed=true],.factor-tray span.revealed){color:#f8dfaa;background:#534325;border-color:#c6a160}html[data-theme=dark] :is(.visual-guide>summary,.student-lesson .basics-link,.student-lesson .walkthrough-button,.prewarm-panel>.reading-help-note){color:var(--ui-primary)}html[data-theme=dark] .student-lesson .walkthrough-button{background:var(--ui-soft)}html[data-theme=dark] .help-dialog{box-shadow:0 0 22px #b9a1dc22,0 24px 70px #0008}html[data-theme=dark] .help-dialog :is(.walkthrough-header,.help-exit,.help-modes,.help-invitation){color:var(--ui-text);background:#302a3d;border-color:#71617e}html[data-theme=dark] .help-dialog :is(.walkthrough-header h2,.walkthrough-header .eyebrow,.help-exit button){color:#e6d5f3}html[data-theme=dark] .help-modes button[aria-pressed=true]{background:var(--ui-primary);color:var(--ui-on-primary)}html[data-theme=dark] .idle-hint,html[data-theme=dark] .student-lesson .idle-hint button{background:var(--ui-warning-bg);color:var(--ui-warning)}html[data-theme=dark] .geometry-details text{fill:var(--model-ink)}html[data-theme=dark] .fable-app :is(.choice,.evidence-board,.evidence-card,.subject-prewarm,.subject-help section,.field-lab,.number-answer input,.family-card input:not([type=checkbox]),.family-card select,.art-caption){background:var(--ui-surface);color:var(--ink);border-color:var(--ui-line)}html[data-theme=dark] .fable-app :is(.choice.selected,.hint,.feedback,.takeaway){background:var(--ui-soft);color:var(--ink)}html[data-theme=dark] .fable-app :is(.budget .over-budget,.try-again){color:var(--ui-warning)}html[data-theme=dark] .fable-app .robot-grid span{color:#e3d4f5;background:#302a42;border-color:#756a91}html[data-theme=dark] .fable-app .robot-grid .puddle{color:#d7e9ff;background:#2a465e}html[data-theme=dark] .fable-app .robot-grid .trail{color:#e0f3c6;background:#365438}html[data-theme=dark] .fable-app .jar-water{color:#112c19;background:#6c965d}html[data-theme=dark] .fable-app .subject-help{border:1px solid var(--ui-line)}html[data-theme=dark] .fable-app .primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}html[data-theme=dark] button:focus-visible,html[data-theme=dark] a:focus-visible,html[data-theme=dark] input:focus-visible+span{outline-color:#f0bf7e}html[data-theme=dark][data-high-contrast=true]{--ui-text:#fff;--ui-muted:#e0e8de;--ui-line:#91a894;--ink:var(--ui-text);--ink-soft:var(--ui-muted);--line:var(--ui-line)}html[data-theme] .family-settings-shell{--settings-blue:var(--ui-primary);max-width:1000px;font-family:Avenir Next,Avenir,Segoe UI,sans-serif}html[data-theme] .family-settings-shell .settings-page{background:0 0;width:100%;padding:8px 0 30px}.family-settings-shell .settings-page-heading{border-bottom:1px solid var(--ui-line);margin-bottom:24px;padding:10px 0 20px}.family-settings-shell .settings-page-heading h1{letter-spacing:-.04em;color:var(--ui-text);margin:10px 0;font:400 clamp(2.25rem,5vw,3.2rem)/1.1 Georgia,serif}.family-settings-shell .settings-content{padding:0}html[data-theme] .family-settings-shell .settings-group{background:var(--ui-surface);border:1px solid var(--ui-line);border-radius:14px;overflow:hidden}.family-settings-shell .settings-section h2{letter-spacing:.13em;margin:24px 0 10px;font-size:.68rem;font-weight:600}.family-settings-shell .settings-row{min-height:68px;color:var(--ui-text);gap:14px;padding:14px 20px}.family-settings-shell .settings-row:before{background:var(--ui-line);left:20px;right:20px}.family-settings-shell .settings-icon,.family-settings-shell .settings-avatar{background:var(--ui-soft);color:var(--ui-primary);border:1px solid var(--ui-line);border-radius:10px;flex-basis:36px;width:36px;height:36px}.family-settings-shell .settings-account-row{min-height:92px}.family-settings-shell .settings-account-row .settings-icon{border-radius:50%;flex-basis:48px;width:48px;height:48px}.family-settings-shell .settings-account-copy strong{font:400 1.5rem Georgia,serif}.family-settings-shell .settings-toggle-row{min-height:76px;padding:14px 20px}.family-settings-shell .settings-toggle-row input:checked{background:var(--ui-primary)}.family-settings-shell .settings-toggle-row input:checked:after{background:var(--ui-on-primary)}.settings-theme-options{border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:14px;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:6px;display:grid}.settings-theme-option{cursor:pointer;min-width:0;position:relative}.settings-theme-option input{opacity:0;width:1px;height:1px;margin:0;position:absolute}.settings-theme-option>span{min-height:54px;color:var(--ui-muted);border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:8px 4px;font-size:.9rem;font-weight:600;display:flex}.settings-theme-option svg{flex-shrink:0;width:20px;height:20px}.settings-theme-option input:checked+span{background:var(--ui-primary);color:var(--ui-on-primary)}.settings-theme-option input:focus-visible+span{outline:3px solid var(--ui-warm);outline-offset:2px}.settings-theme-option input:disabled+span{opacity:.5;cursor:wait}.family-settings-shell .settings-footnote{color:var(--ui-muted);margin:16px 0 24px;line-height:1.7}.family-settings-shell .settings-home-footnote{margin-top:28px}.family-settings-shell button:disabled{opacity:.5;cursor:not-allowed}.family-settings-shell button:not(:disabled):hover{filter:brightness(.97)}.family-settings-shell :is(button,a,input,select):focus-visible{outline:3px solid var(--ui-warm);outline-offset:3px}.family-settings-shell .settings-chevron{color:var(--ui-muted)}.membership-current{border:1px solid var(--ui-line);background:var(--ui-soft);border-radius:16px;padding:20px 24px}.membership-current-summary{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.membership-current h2{margin:0;font:400 1.35rem/1.2 Georgia,serif}.membership-current p{color:var(--ui-muted);font-size:.8rem;line-height:1.6}.membership-status-toggle{color:var(--ui-text);cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;min-height:44px;padding:9px 0;font-family:inherit;font-size:.83rem;font-weight:600;line-height:1.4;display:flex}.membership-count{white-space:nowrap;font-size:.82rem;font-weight:600}.membership-status-action{color:var(--ui-muted);margin-left:10px;font-size:.72rem}.membership-status-details{margin-top:14px}.membership-status-details[hidden]{display:none}.membership-status-details .membership-plan-names{color:var(--ui-text);margin:0 0 12px;font-weight:600}.membership-status-details>p:last-child{margin:12px 0 0}.membership-subject-list{border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:10px;margin:0;padding:0 14px;list-style:none}.membership-subject-list li{border-top:1px solid var(--ui-line);justify-content:space-between;align-items:center;gap:12px;min-height:40px;padding:8px 0;display:flex}.membership-subject-list li:first-child{border-top:0}.membership-subject-list strong{font-size:.8rem;font-weight:500}.membership-subject-list .subject-access-badge{min-width:44px;font-size:.54rem!important}.membership-subject-list .is-free{background:#eaf0f8;border-color:#bfcfdf;color:#385775!important}.membership-subject-list .is-paid{background:#dcebdd;border-color:#96b79b;color:#235232!important}.membership-count.is-free{color:#385775}.membership-count.is-paid{color:#235232}html[data-theme=dark] .membership-subject-list .is-free{background:#243447;border-color:#56718a;color:#c2daf2!important}html[data-theme=dark] .membership-subject-list .is-paid{background:#294630;border-color:#6e9a77;color:#c4ebca!important}html[data-theme=dark] .membership-count.is-free{color:#c2daf2}html[data-theme=dark] .membership-count.is-paid{color:#c4ebca}.membership-choice-heading{margin:28px 0 18px;font:400 1.8rem/1.2 Georgia,serif}.membership-plan-stack{grid-template-columns:minmax(0,1fr);gap:22px;display:grid}.membership-plan-stack .family-plan-card{border:1px solid var(--ui-line);min-width:0;color:var(--ui-text);background:var(--ui-surface);border-radius:16px;flex-direction:column;gap:14px;padding:26px;display:flex}.family-membership .plan-kicker{color:var(--ui-primary);letter-spacing:.13em;font-size:.65rem;font-weight:600}.family-membership .plan-scope{color:var(--ui-muted);margin:0;font-size:.85rem;line-height:1.6}.family-membership .plan-features{color:var(--ui-muted);margin:0;font-size:.8rem;line-height:1.7}.family-plan-card>h3{letter-spacing:-.03em;margin:0;font:400 2rem/1.15 Georgia,serif}.pass-picker{min-width:0;position:relative}.pass-picker-label{color:var(--ui-muted);margin-bottom:8px;font-size:.75rem;font-weight:600;display:block}.pass-picker-trigger{text-align:left;border:1px solid var(--ui-primary);background:var(--ui-soft);width:100%;min-height:64px;color:var(--ui-text);letter-spacing:-.03em;cursor:pointer;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;font:400 1.9rem/1.2 Georgia,serif;display:flex}.pass-picker-trigger svg{fill:none;stroke:currentColor;stroke-width:1.7px;flex-shrink:0;width:22px;height:22px;transition:transform .15s}.pass-picker-trigger[aria-expanded=true] svg{transform:rotate(180deg)}.pass-picker-menu{z-index:20;overscroll-behavior:contain;border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:12px;max-height:300px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow-y:auto;box-shadow:0 12px 30px #0003}.pass-picker-menu [role=option]{cursor:pointer;min-height:46px;color:var(--ui-text);border-radius:7px;align-items:center;gap:10px;padding:10px 12px;font-size:.9rem;display:flex}.pass-picker-menu [role=option]>span:first-child{flex:1;min-width:0}.pass-picker-menu [role=option] small{color:var(--ui-muted);font-size:.65rem}.pass-picker-menu [data-focused=true]{background:var(--ui-soft);outline:1px solid var(--ui-line)}.pass-picker-menu [aria-selected=true]{font-weight:600}.membership-checkout{padding-top:4px}.membership-checkout p{color:var(--ui-muted);margin:12px 0 0;font-size:.82rem;line-height:1.65}.family-membership .membership-primary{background:var(--ui-primary);color:var(--ui-on-primary);cursor:pointer;border:0;border-radius:10px;min-height:48px;margin-top:14px;padding:13px 20px;font:600 .85rem/1.4 Avenir Next,Avenir,sans-serif}.family-membership .membership-login{margin:0 0 22px}.membership-prices{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.membership-price{border:1px solid var(--ui-primary);background:var(--ui-soft);min-width:0;color:var(--ui-text);cursor:pointer;text-align:left;font:inherit;border-radius:12px;flex-direction:column;align-items:flex-start;gap:9px;padding:18px;display:flex}.family-settings-shell .membership-price:disabled{opacity:1;border-color:var(--ui-line);color:var(--ui-muted);background:var(--ui-surface)}.membership-period{font-size:.88rem;font-weight:600}.membership-amount{overflow-wrap:anywhere;font:400 clamp(1.15rem,3.5vw,1.6rem)/1.2 Georgia,serif}.membership-price small{font-size:.7rem;line-height:1.5}.membership-price-action{margin-top:auto;padding-top:5px;font-size:.75rem;font-weight:600;line-height:1.4}.membership-checkout .membership-price-note{margin-top:14px;font-size:.68rem}.family-plan-card .membership-card-note{color:var(--ui-muted);border-top:1px solid var(--ui-line);margin:0;padding-top:14px;font-size:.72rem;line-height:1.6}.membership-upgrade-info{border:1px solid var(--ui-line);background:var(--ui-soft);border-radius:12px;padding:18px}.membership-upgrade-info h4{margin:0 0 8px;font-size:.87rem}.membership-upgrade-info p,.membership-upgrade-info li{color:var(--ui-muted);font-size:.77rem;line-height:1.65}.membership-upgrade-info p{margin:0}.membership-upgrade-info ol{margin:12px 0;padding-left:20px}.membership-upgrade-info li+li{margin-top:7px}.membership-included{color:var(--ui-muted);margin:20px 0;font-size:.78rem;line-height:1.7}.membership-tools{flex-wrap:wrap;gap:8px 20px;margin:20px 0;display:flex}.membership-tools button{min-height:44px;color:var(--ui-primary);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;padding:8px 0;font-family:inherit;font-size:.78rem;font-weight:500;text-decoration:underline}.membership-notice{background:var(--ui-soft);border:1px solid var(--ui-line);border-radius:12px;padding:16px;font-size:.85rem}@media (width<=650px){.membership-current{padding:16px 20px}.membership-current-summary{gap:4px}.membership-current h2{width:100%;font-size:1.25rem}.membership-status-toggle{justify-content:flex-start;width:100%}.membership-status-action{margin-left:auto}.membership-plan-stack .family-plan-card{padding:20px}.membership-prices{gap:10px}.membership-price{padding:13px}.pass-picker-trigger{font-size:1.7rem}.family-settings-shell .settings-row{padding-inline:16px}.family-settings-shell .settings-row-value{font-size:.75rem}.membership-upgrade-info{padding:15px}}@media (prefers-reduced-motion:reduce){.pass-picker-trigger svg{transition:none}}.family-settings-shell h1:focus{outline:none}.family-settings-shell a{color:var(--ui-primary)}html[data-theme] .skip-link{background:var(--ui-primary);color:var(--ui-on-primary)}.family-sync-math{border:1px solid var(--ui-line);background:var(--ui-surface);border-radius:12px;margin:18px 0 10px}.family-sync-math>summary{cursor:pointer;min-height:60px;color:var(--ui-text);align-items:center;gap:12px;padding:16px 18px;list-style:none;display:flex}.family-sync-math>summary::-webkit-details-marker{display:none}.family-sync-math>summary>span{flex:1;font-size:.9rem;font-weight:600}.family-sync-math>summary>small{color:var(--ui-muted);font-size:.72rem}.family-sync-math>summary .settings-chevron{flex-shrink:0;width:8px;height:14px;transform:rotate(90deg)}.family-sync-math[open]>summary .settings-chevron{transform:rotate(-90deg)}.family-sync-math>summary:focus-visible{outline:3px solid var(--ui-warm);outline-offset:3px;border-radius:10px}.math-notebook-details{border-top:1px solid var(--ui-line);padding:0 18px 18px}.math-notebook-details>.settings-group:first-child{margin-top:16px}.membership-renewal-ack{color:var(--ui-text);cursor:pointer;align-items:flex-start;gap:12px;margin:20px 0;font-size:.88rem;line-height:1.6;display:flex}.membership-renewal-ack input{width:20px;height:20px;accent-color:var(--ui-text);flex-shrink:0;margin-top:3px}
