:root{--paper:#f5f3ec;--paper-raised:#fbfaf5;--ink:#1f2421;--ink-soft:#4d5450;--line:#d9d4c5;--line-strong:#8f886f;--pine:#33594b;--pine-deep:#1e3a31;--moss:#8a9b6e;--moss-strong:#77875c;--moss-pale:#e6ead9;--hl-bg:#d9e4c0;--hl-edge:#5c7a3e;--branch:#3a6a86;--accent:#b33a2b;--fail:#9a4a2e;--surface-sunken:#eceadf;--surface-warn:#f1e4dc;--surface-stretch:#f4f2e8;--node-learned:#8a9b6e;--node-learned-ink:#16201a;--scrim:rgba(31,36,33,0.45);--shadow:rgba(31,36,33,0.25);--radius:6px;--lesson-bar-height:52px;--font-display:var(--font-shippori),"Georgia",serif;--font-body:var(--font-plex),system-ui,sans-serif;--font-mono:var(--font-plex-mono),ui-monospace,monospace;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--paper:#1c1a15;--paper-raised:#262319;--ink:#ece7d9;--ink-soft:#b7b09c;--line:#45412f;--line-strong:#7a7355;--pine:#7fae94;--pine-deep:#a9cdb6;--moss:#9fae7c;--moss-strong:#b6c495;--moss-pale:#33392a;--hl-bg:#2e3b22;--hl-edge:#9fae7c;--branch:#8fb8d0;--accent:#e08260;--fail:#e0906e;--surface-sunken:#211f17;--surface-warn:#33241c;--surface-stretch:#262418;--node-learned:#4d5f3b;--node-learned-ink:#eef2e4;--scrim:rgba(0,0,0,0.55);--shadow:rgba(0,0,0,0.45)}}*{box-sizing:border-box}html{font-size:100%}body,html{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:.9375rem;line-height:1.55}h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.25}a{color:var(--pine)}button{font-family:var(--font-body);font-size:.875rem;border:1px solid var(--pine);background:var(--pine);color:var(--paper-raised);border-radius:var(--radius);padding:8px 16px;cursor:pointer}@media (hover:hover){button:hover:not(:disabled):not([aria-disabled=true]){background:var(--pine-deep);border-color:var(--pine-deep)}button.ghost:hover:not(:disabled){background:var(--moss-pale)}}button:disabled,button[aria-disabled=true]{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--pine)}summary{padding-block:3px}.button-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:2px solid var(--pine);outline-offset:2px}h1[tabindex="-1"]:focus{outline:none}input,select,textarea{font-family:var(--font-body);font-size:.875rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--paper-raised);color:var(--ink);padding:8px 10px}textarea{font-family:var(--font-mono);font-size:.8125rem}@media (max-width:767px){.ProseMirror,input,select,textarea{font-size:16px}input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]),select{min-height:44px}}.page{max-width:1200px;margin:0 auto;padding:24px}@media (max-width:767px){main.page:has(.lesson-bar,.selection-strip){padding-bottom:calc(var(--lesson-bar-height) + env(safe-area-inset-bottom))}html{scroll-padding-bottom:calc(var(--lesson-bar-height) + env(safe-area-inset-bottom))}}.page-narrow{max-width:640px;margin:0 auto;padding:24px}.page-narrow>.card{margin-left:auto;margin-right:auto}.page-inner-narrow{max-width:592px;margin:0 auto}.page-inner-narrow>.card{margin-left:auto;margin-right:auto}.skip-link{position:absolute;top:-40px;left:8px;z-index:100;background:var(--paper-raised);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:8px 14px;font-size:.8125rem;text-decoration:none}.skip-link:not(:focus){transform:translateY(calc(-100% - 48px))}.skip-link:focus{top:8px}.topbar{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:24px}.topbar>*{flex:none}@media (max-width:980px){.topbar{flex-wrap:wrap}.topbar .topbar-title{white-space:normal;overflow:visible;text-overflow:clip}.topbar-nav{flex:1 1 auto}.topbar .divider{display:none}}@media (max-width:767px){.topbar .topbar-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.topbar{padding-bottom:12px;margin-bottom:12px}}.brand,.topbar .muted,.topbar a,.topbar button{white-space:nowrap}.brand{font-family:var(--font-display);font-size:22px;letter-spacing:.02em;display:inline-flex;align-items:center;gap:6px}.topbar .topbar-title{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .spacer{flex:1 1 auto}.topbar .divider{width:1px;align-self:stretch;background:var(--line);margin:0 2px}@media (max-width:767px){.topbar .divider{display:none}}.muted{color:var(--ink-soft);font-size:.8125rem}a.muted{text-decoration:underline}.error-text{color:var(--fail)}.success-text{color:var(--pine)}.topbar-nav{display:flex;flex-wrap:wrap;align-items:center;gap:12px;row-gap:6px;font-size:.8125rem}.topbar-nav a{color:var(--ink-soft);text-decoration:none}.topbar-nav a:hover{color:var(--pine);text-decoration:underline}.nav-menu{display:contents}.nav-menu-button{display:none}.nav-menu-panel{display:contents}.nav-menu-close,.nav-menu-panel-brand,.nav-menu-search-link,.nav-menu-signed-in-label{display:none}@media (max-width:767px){.nav-menu-button{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;min-height:44px;min-width:44px;margin-left:auto}.nav-menu-glyph{display:block}.nav-menu-backdrop{position:fixed;inset:0;z-index:99;background:var(--scrim)}.nav-menu-panel{display:none}.nav-menu-panel.is-open{display:flex;flex-direction:column;align-items:flex-start;gap:0;position:fixed;top:auto;right:0;bottom:0;left:0;z-index:100;width:auto;max-height:90vh;margin:0;padding:56px 20px 20px;background:var(--paper-raised);overflow-y:auto;border-top:1px solid var(--line);border-radius:16px 16px 0 0;box-shadow:0 -8px 24px rgba(0,0,0,.18)}.nav-menu-close{display:inline-flex;align-items:center;justify-content:center;position:absolute;top:8px;right:8px;min-height:44px;min-width:44px;font-size:1.25rem;line-height:1}.nav-menu-panel.is-open .nav-menu-panel-brand{display:flex;align-items:center;position:absolute;top:8px;left:20px;min-height:44px}.nav-menu-panel.is-open .spacer{display:none}.nav-menu-panel.is-open .topbar .topbar-title{flex:none;align-self:stretch;min-width:0;max-width:100%;white-space:normal;text-overflow:clip;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.nav-menu-panel.is-open .topbar-nav{flex:none;flex-direction:column;align-items:stretch;width:100%;gap:0;font-size:inherit;border-top:1px solid var(--line);margin-top:8px;padding-top:8px}.nav-menu-panel.is-open .topbar-nav .muted{order:2;margin-top:8px}.nav-menu-panel.is-open .topbar-nav button.ghost{order:3;width:100%;justify-content:center;margin-top:8px;min-height:48px;font-size:1rem}.nav-menu-panel.is-open>.muted{display:none}.nav-menu-panel.is-open>.topbar-nav{order:1}.nav-menu-panel.is-open>.activity-indicator{width:100%}.nav-menu-panel.is-open .activity-indicator-button{display:flex;align-items:center;justify-content:flex-start;width:100%;min-height:48px;padding:0 12px}.nav-menu-panel.is-open .activity-indicator-label{position:static;width:auto;height:auto;margin:0 8px 0 0;clip:auto;overflow:visible;white-space:nowrap;font-size:1rem;color:var(--ink)}.nav-menu-panel.is-open .activity-popover{position:static;margin-top:4px;min-width:0;max-width:none;box-shadow:none}.nav-menu-panel.is-open .activity-popover a{display:block;width:auto;flex:1 1 auto;min-width:0;min-height:0;font-size:inherit}.nav-menu-signed-in-label{display:inline}.nav-menu-panel.is-open .topbar-nav a,.nav-menu-panel.is-open a{display:flex;align-items:center;width:100%;min-height:48px;font-size:1rem;color:var(--ink);text-decoration:none}.nav-menu-panel.is-open a:hover{color:var(--pine)}.nav-menu-panel.is-open a[aria-current=page]{color:var(--pine);font-weight:600;box-shadow:inset 3px 0 0 var(--pine);padding-left:12px}.nav-menu-search-link,.topbar-nav a{min-height:44px;display:inline-flex;align-items:center}}.activity-indicator{position:relative}.activity-indicator-button{padding:4px 8px;min-height:0}.activity-indicator-label{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.activity-indicator-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--pine);color:var(--paper-raised);font-size:.75rem;line-height:1}.activity-popover{position:absolute;top:calc(100% + 6px);right:0;z-index:50;min-width:240px;max-width:320px;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 32px var(--shadow);padding:8px}.activity-popover ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.activity-popover li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 8px;border-radius:calc(var(--radius) - 2px)}.activity-popover a{white-space:normal;min-width:0;flex:1 1 auto;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.activity-popover li:hover{background:var(--moss-pale)}.activity-popover-state{flex:none;text-transform:capitalize}.account-tasks{display:flex;flex-direction:column;gap:20px}.account-tasks-heading{margin:0 0 8px;font-size:.9375rem}.account-tasks-working{display:flex;flex-direction:column;gap:12px}.account-tasks-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.account-tasks-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 8px;border-radius:calc(var(--radius) - 2px)}.account-tasks-list li:hover{background:var(--moss-pale)}.account-tasks-state{flex:none;text-transform:capitalize}.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.tree-layout{display:grid;grid-template-columns:minmax(380px,30%) minmax(0,1fr);grid-gap:20px;gap:20px;align-items:start}.tree-layout>.tree-column{grid-column:1;grid-row:1}.tree-layout>.lesson-column{grid-column:2;grid-row:1}.lesson-column,.tree-column{display:flex;flex-direction:column;gap:16px;min-width:0}.billing-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:16px}@media (max-width:980px){.tree-layout{grid-template-columns:1fr}.tree-layout>.tree-column{grid-column:1;grid-row:2}.tree-layout>.lesson-column{grid-column:1;grid-row:1}.billing-grid{grid-template-columns:1fr}}.card+.card{margin-top:20px}:is(.landing-grid,.growing-list,.billing-grid) .card+.card{margin-top:0}.card-heading{margin:0 0 16px}.billing-stat-label{margin-bottom:4px}.billing-stat-value{font-size:1rem;font-weight:500}.billing-list-row{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}.billing-list-row:last-child{border-bottom:none}.billing-list-row>.qty-stepper,.billing-list-row>button{flex:none;white-space:nowrap}@media (max-width:520px){.plan-row{flex-direction:column;align-items:stretch}}.billing-list-row-title{font-size:.875rem;font-weight:500}.field{display:grid;grid-gap:4px;gap:4px;font-size:.875rem;color:var(--ink-soft)}.field input{width:100%}.field-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px}.field-row>.field{flex:1 1 180px;max-width:320px}.plan-chooser-controls{display:grid;justify-items:start;grid-gap:16px;gap:16px;margin-bottom:8px}.plan-chooser-controls p{margin:0}.plan-chooser-controls>.field-row{width:100%}.pack-shelves{display:grid;grid-gap:24px;gap:24px;margin-top:20px}.pack-shelf h3{margin:0 0 4px;font-size:.9375rem}.qty-stepper{display:flex;align-items:center;gap:4px;flex:none}.qty-stepper button{padding:6px 10px;line-height:0}.qty-count{min-width:2ch;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:500}.pack-checkout{display:grid;grid-gap:10px;gap:10px;margin-top:16px}html:has(.pack-checkout--filled){scroll-padding-bottom:160px}.pack-checkout h3{margin:0;font-size:.9375rem}.pack-checkout--filled{position:-webkit-sticky;position:sticky;bottom:0;z-index:2;margin-inline:-16px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--paper-raised);border-top:1px solid var(--line-strong)}.pack-cart-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px}.pack-cart-lines{margin:0;font-size:.875rem}.pack-cart-subtotal{font-weight:500;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}@media (max-width:767px){.qty-stepper button{min-width:44px}html:has(.pack-checkout--filled){scroll-padding-bottom:240px}}.pack-row:target{margin-inline:-12px;padding-inline:12px}.billing-default-badge,.pack-row:target{background:var(--moss-pale);border-radius:var(--radius)}.billing-default-badge{font-size:.75rem;padding:2px 8px;color:var(--pine-deep);white-space:nowrap}.billing-payment-form{padding:16px;background:var(--paper);border-radius:var(--radius);border:1px solid var(--line)}.data-table{width:100%;border-collapse:collapse}.data-table caption{text-align:left;margin-bottom:8px}.data-table td,.data-table th{padding:8px;text-align:left}.data-table th{font-size:.75rem;color:var(--ink-soft);font-weight:400}.data-table td,.data-table th{border-bottom:1px solid var(--line-strong)}.data-table td{font-size:.875rem}.data-table .numeric{text-align:right}.data-table td.numeric,.status-pill{font-weight:500}.status-pill{display:inline-block;padding:4px 10px;border-radius:var(--radius);font-size:.875rem;background:color-mix(in srgb,var(--pill-tone) 20%,var(--paper-raised));color:var(--pill-tone)}.status-pill--positive{--pill-tone:var(--pine)}.status-pill--info{--pill-tone:var(--moss)}.status-pill--negative{--pill-tone:var(--fail)}.status-pill--neutral{--pill-tone:var(--ink-soft)}.callout{padding:10px 12px;border-radius:var(--radius);border-left:3px solid var(--callout-tone)}.callout-label{margin-bottom:4px}.callout+.callout{margin-top:8px}.callout--positive{background:var(--moss-pale);--callout-tone:var(--moss)}.callout--negative{background:var(--surface-warn);--callout-tone:var(--fail)}.callout--neutral{background:var(--surface-sunken);--callout-tone:var(--ink-soft)}.tree-map .pane-head{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}.tree-map .pane-head :is(h2,h3){margin:0;font-size:.9375rem}.tree-map .tree-scroll{overflow-x:auto}.tree-map .tree-scroll-frame{position:relative}.tree-map .tree-scroll-frame[data-overflowing=true]:after{content:"\2192";position:absolute;top:0;right:0;bottom:0;width:36px;display:flex;align-items:center;justify-content:flex-end;padding-right:6px;pointer-events:none;color:var(--ink-soft);font-size:14px;background:linear-gradient(to right,transparent,var(--paper-raised) 65%)}.row{align-items:center}.row,.stack{display:flex;gap:var(--gap,8px)}.stack{flex-direction:column}.sr-only,.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.lesson-body{max-width:72ch;overflow-wrap:anywhere;overflow-x:clip}.lesson-body pre{background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;overflow-x:auto;font-family:var(--font-mono);font-size:.8125rem}.lesson-body code{font-family:var(--font-mono);font-size:.92em;overflow-wrap:anywhere}.lesson-body .katex-display{overflow-x:auto;overflow-y:hidden;max-width:100%}.lesson-body :not(.katex-display)>.katex{display:inline-block;vertical-align:middle;max-width:100%}.lesson-body :not(.katex-display)>.katex.katex-wide{overflow-x:auto;padding-block:4px}.lesson-body :is(.katex-display,.katex):focus-visible{outline:2px solid var(--pine);outline-offset:2px}.lesson-body img,.lesson-body table{max-width:100%}.lesson-reference-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;column-gap:12px}.lesson-reference-head>:is(h2,h3,h4,h5,h6){flex:1 1 12ch;min-width:0}.lesson-reference-actions{display:flex;justify-content:flex-end;margin-top:4px}button.reference-capture{flex:none;font-size:.8125rem;white-space:nowrap;min-height:44px;padding:0 12px}.lesson-reference-head>button.reference-capture{margin-block:-8px}button.reference-capture[aria-disabled=true]:hover{background:transparent}@media print{.reference-capture{display:none}}.lesson-body blockquote{margin:0;padding:4px 14px;border-left:3px solid var(--moss);color:var(--ink-soft)}.lesson-figure{margin:18px 0;display:flex;flex-direction:column;align-items:center;gap:8px}.lesson-figure img{display:block;max-width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px}.lesson-figure figcaption{font-size:.8125rem;color:var(--ink-soft);text-align:center;max-width:60ch}.score-block{margin:12px 0}.score-audio{display:flex;align-items:center;gap:10px;margin-top:6px}.score-play{padding:5px 12px;font-size:.8125rem}.score-audio-error{font-size:.8125rem;color:var(--ink-soft)}.score-block [data-knowpad-source-format=abc]{overflow-x:auto;overflow-y:hidden}.score-block [data-knowpad-source-format=abc] svg{display:block;max-width:100%;min-width:480px;height:auto}.score-controls{flex:1 1;min-width:0}.score-controls .abcjs-inline-audio{height:auto;min-height:36px;flex-wrap:wrap;row-gap:2px;padding:1px 6px;border-radius:var(--radius);background-color:var(--pine)}.score-controls .abcjs-inline-audio .abcjs-btn{border-radius:var(--radius);color:inherit;min-height:0}.score-controls .abcjs-inline-audio .abcjs-midi-progress-background{display:block;min-height:0;flex:1 1 64px;min-width:64px}.score-controls .abcjs-inline-audio .abcjs-midi-tempo{width:3.5em;height:24px;padding:0 4px;font-size:.8125rem}.score-controls .abcjs-inline-audio .abcjs-tempo-wrapper{font-size:.75rem;white-space:nowrap}@media (max-width:767px){.score-controls .abcjs-inline-audio .abcjs-midi-tempo{font-size:16px}}.score-controls .abcjs-btn g{fill:var(--paper-raised);stroke:var(--paper-raised)}.score-controls .abcjs-inline-audio .abcjs-btn:hover g{fill:var(--moss-pale);stroke:var(--moss-pale)}.score-controls .abcjs-inline-audio .abcjs-midi-clock{color:var(--paper-raised)}.score-controls .abcjs-inline-audio .abcjs-midi-progress-background{background-color:var(--pine-deep)}.score-controls .abcjs-inline-audio .abcjs-midi-progress-indicator{background-color:var(--paper-raised)}.score-controls .abcjs-inline-audio .abcjs-tempo-wrapper{color:var(--paper-raised)}.score-block svg .score-note-playing{fill:var(--pine);stroke:var(--pine)}@media (prefers-reduced-motion:no-preference){.score-block svg .score-note-playing{transition:fill 80ms}}.stream-status:empty{display:none}.stream-status{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-soft);margin:8px 0}.stream-status-dot{width:7px;height:7px;border-radius:50%;background:var(--moss);animation:demo-pulse 1.2s ease-in-out infinite}@keyframes demo-pulse{0%,to{opacity:.55}50%{opacity:1}}.working{display:flex;align-items:center;gap:10px}.working-audio progress,.working-tree progress{width:90px}.working-text{margin:0;font-size:.875rem;color:var(--ink-soft)}.working-compact{display:inline-flex}.working-compact .working-text{font-size:.8125rem}.working-audio{flex-wrap:wrap}.working-audio .working-text{flex:1 1 12rem;min-width:0}.working-reel{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0;min-width:0}.working-reel-slot{width:10px;height:10px;border-radius:3px;background:var(--surface-sunken);border:1px solid var(--line)}.working-reel-slot--done{background:var(--moss-strong);border-color:var(--moss-strong)}.working-reel-slot--active{animation:working-pulse 1.2s ease-in-out infinite}@keyframes working-pulse{0%,to{opacity:.55}50%{opacity:1}}.working-reel-queued .working-reel-slot--waiting{animation:working-pulse 1.2s ease-in-out infinite}.working-reel-queued .working-reel-slot--waiting:nth-child(2){animation-delay:.2s}.working-reel-queued .working-reel-slot--waiting:nth-child(3){animation-delay:.4s}.pane{display:flex;flex-direction:column;height:480px}.pane :is(h2,h3){margin:0 0 10px;font-size:.9375rem}.pane .scroll{flex:1 1;overflow-y:auto;display:flex;flex-direction:column;gap:8px}@media (max-width:767px){.pane{height:auto;min-height:0}.pane .scroll{max-height:50vh}}@media (min-width:768px){.answers{height:auto;min-height:480px}.answers .scroll{overflow:visible}}.chat-msg{padding:8px 10px;border-radius:var(--radius);max-width:92%;font-size:.875rem}.chat-msg.user{align-self:flex-end;background:var(--moss-pale);border:1px solid var(--pine)}.chat-msg.assistant{align-self:flex-start;background:var(--surface-sunken)}.grade{border-radius:var(--radius);padding:10px 12px;font-size:.875rem;border:1px solid var(--line)}.grade.pass{border-color:var(--pine);background:var(--moss-pale)}.grade.fail{border-color:var(--fail);background:var(--surface-warn)}.badge{display:inline-block;font-size:.75rem;padding:1px 8px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft)}.badge.pass{border-color:var(--pine);background:var(--moss-pale);color:var(--pine-deep)}.lesson-view-switch{display:flex;margin-bottom:12px}.lesson-view-switch button{flex:1 1;padding:9px 12px}.answers[hidden]{display:none}.lesson-quiz-divider{display:flex;align-items:center;gap:10px;margin:20px 0 0;color:var(--ink-soft);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase}.lesson-quiz-divider:after,.lesson-quiz-divider:before{content:"";flex:1 1;border-top:1px solid var(--line)}.lesson-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}.lesson-actions :is(h1,h2){flex:1 1 auto;min-width:0;margin:0;font-size:18px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-actions .badge,.lesson-actions button{white-space:nowrap}.lesson-actions button{font-size:.8125rem;padding:6px 12px}.lesson-actions .publish-toggle{flex:none}.lesson-review-label{flex:1 1 auto}@media (max-width:980px){.lesson-actions :is(h1,h2){flex-basis:100%;white-space:normal}}@media (max-width:767px){.lesson-actions{gap:6px}.lesson-actions button{padding:6px 10px}.lesson-actions .lesson-review-label{flex-basis:100%}}.branch-banner{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 12px;margin-bottom:12px;border-left:3px solid var(--branch);border-radius:var(--radius);background:var(--surface-sunken)}.branch-banner-text{flex:1 1 14rem;min-width:0;margin:0;overflow-wrap:anywhere}.branch-banner-label{color:var(--branch);font-weight:700}.branch-banner button{flex:0 0 auto}.lesson-actions-menu{display:contents}.lesson-actions-menu-button{display:none}.lesson-actions-menu-panel{display:contents}@media (max-width:767px){.lesson-actions-menu-button{display:inline-flex;align-items:center;justify-content:center}.lesson-actions-menu-panel{display:none}.lesson-actions-menu-panel.is-open{display:flex;flex-direction:column;align-items:stretch;gap:8px;flex-basis:100%;width:100%;padding-top:8px;margin-top:2px;border-top:1px solid var(--line)}.lesson-actions-primary{flex:1 1;order:1}.lesson-actions .lesson-actions-primary{min-width:0;white-space:normal}.lesson-actions-menu-panel.is-open{order:2}.lesson-actions .lesson-actions-title{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;flex:none}}.answers-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.answers-head :is(h2,h3){display:flex;align-items:center;gap:10px;margin:0;flex:1 1 auto}.quiz-q+.quiz-q{border-top:1px solid var(--line);padding-top:12px}.podcast-header{margin:0 0 10px}.podcast-header h2{margin:0}.podcast-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}.podcast-chips .badge,.podcast-chips .muted{white-space:nowrap}.podcast .podcast-script{max-height:420px;overflow-y:auto}@media (max-width:767px){.podcast .podcast-script{max-height:none;overflow-y:visible}}.podcast .podcast-script h1{font-size:18px;margin-top:0}.podcast .podcast-script h2{font-size:.875rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);border-bottom:1px solid var(--line);padding-bottom:4px;margin:20px 0 10px}.podcast .podcast-script strong{color:var(--pine-deep)}.podcast .podcast-script p{margin:0 0 8px}.podcast-focus{background:var(--surface-sunken);border-radius:var(--radius);padding:8px 10px;margin:0 0 10px;white-space:pre-wrap}.podcast-audio{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}.podcast-audio audio,.podcast-speed{margin-bottom:8px}.podcast-speed{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--ink-soft)}.podcast-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.podcast-takes{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.podcast-takes .take{font-size:.75rem;padding:2px 10px;min-height:24px;min-width:24px;display:inline-flex;align-items:center;justify-content:center}.podcast-takes .take.is-current{background:var(--moss-pale);border-color:var(--pine)}.cast-picker{display:inline-grid;gap:2px;min-width:0;max-width:100%}.cast-picker,.cast-picker label{grid-template-columns:minmax(0,auto)}.cast-picker label{display:grid;grid-gap:4px;gap:4px;font-size:.8125rem;color:var(--ink-soft)}.cast-picker select{max-width:100%}.row>.cast-picker:not(:last-child){flex:none}.cast-blurb{margin:0;font-size:.75rem;max-width:34ch}.digest-sources{list-style:none;margin:0 0 10px;padding:0;font-size:.8125rem;text-align:left}.digest-sources li{padding:2px 0}.digest-trees{border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;margin:0 0 12px}.digest-trees legend{font-size:.8125rem;color:var(--ink-soft);padding:0 4px}.digest-trees .checkbox-row{display:flex;flex-direction:row;align-items:baseline;gap:8px;padding:3px 0;font-size:.875rem}.button-link{display:inline-block;font-size:.875rem;border:1px solid var(--pine);background:var(--pine);color:var(--paper-raised);border-radius:var(--radius);padding:8px 16px;text-decoration:none}.button-link:hover{background:var(--pine-deep);border-color:var(--pine-deep)}.button-link.ghost{background:transparent;color:var(--pine)}.button-link.ghost:hover{background:var(--moss-pale);border-color:var(--pine)}@media (max-width:767px){.button-link,button{min-height:44px;display:inline-flex;align-items:center;justify-content:center}.segmented button{min-height:44px}summary{padding-block:11px}.dash-forest-link a,.passage-note a,.row a,.topbar>a,a.muted{min-height:44px;display:inline-flex;align-items:center}}.modal-backdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--scrim)}.modal-sheet{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:20px;max-width:320px;width:100%;text-align:center;box-shadow:0 12px 32px var(--shadow);overscroll-behavior:contain}.modal-title{margin:0 0 14px;font-size:16px}.modal-actions{margin-top:14px}.next-node-modal{text-align:left}.next-node-passed{display:flex;align-items:center;gap:8px;font-weight:600;margin:0 0 10px}.next-node-check{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;flex:none;background:var(--pine);color:var(--paper-raised);font-size:13px}.next-node-next{margin:0 0 16px;color:var(--ink-soft)}.next-node-modal-actions{display:flex;gap:8px;justify-content:flex-end}@media (prefers-reduced-motion:no-preference){.next-node-check{animation:next-node-check-in .22s ease-out}.next-node-next{animation:next-node-next-in .26s ease-out .18s both}}@media (prefers-reduced-motion:reduce){.next-node-check,.next-node-next{animation:next-node-fade .16s ease-out both}}@keyframes next-node-check-in{0%{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}@keyframes next-node-next-in{0%{transform:translateX(12px);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes next-node-fade{0%{opacity:0}to{opacity:1}}.podcast-sheet{max-width:380px;text-align:left}.podcast-sheet .modal-actions{display:flex;gap:8px;justify-content:flex-end}.notebook-tab{position:fixed;top:50%;left:0;transform:translateY(-50%) rotate(-90deg);transform-origin:left top;z-index:50;background:var(--pine);color:var(--paper-raised);border:1px solid var(--pine-deep);border-bottom:none;border-radius:0 0 var(--radius) var(--radius);padding:8px 16px;font-size:.8125rem;letter-spacing:.02em}.notebook-tab:hover{background:var(--pine-deep)}@media (max-width:640px){.notebook-tab{top:auto;bottom:0;left:0;right:0;width:100%;transform:none;transform-origin:center;text-align:center;border:1px solid var(--pine-deep);border-bottom:none;border-radius:var(--radius) var(--radius) 0 0}}@media (max-width:767px){.notebook-tab{display:none}}.lesson-bar{display:none}@media (max-width:767px){.lesson-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;height:var(--lesson-bar-height);padding-bottom:env(safe-area-inset-bottom);background:var(--paper-raised);border-top:1px solid var(--line);box-shadow:0 -4px 12px var(--shadow)}.lesson-bar-item{flex:1 1;display:flex;align-items:center;justify-content:center;min-height:44px;font-size:.8125rem;color:var(--ink);background:none;border:none;text-decoration:none;padding:0;min-width:0;font:inherit;line-height:inherit}.lesson-bar-item:hover{background:var(--moss-pale)}.lesson-bar-item[aria-expanded=true]{background:var(--moss-pale);color:var(--pine);box-shadow:inset 0 2px 0 var(--pine)}}.lesson-sheet{display:contents}@media (max-width:767px){.lesson-sheet:not(.lesson-sheet-open){display:none}.lesson-sheet-open{display:flex;flex-direction:column;position:fixed;z-index:40;left:0;right:0;top:0;bottom:calc(var(--lesson-bar-height) + env(safe-area-inset-bottom));background:var(--paper);overflow-y:auto;padding:16px}.lesson-sheet-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px}.lesson-sheet-header span{font-weight:600}}.notebook-drawer-backdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:stretch;justify-content:flex-start;background:var(--scrim)}.notebook-drawer{background:var(--paper-raised);border:1px solid var(--line);border-right:none;border-radius:0 var(--radius) var(--radius) 0;box-shadow:0 12px 32px var(--shadow);width:min(720px,92vw);max-width:100%;display:flex;flex-direction:column;padding:16px 20px;overscroll-behavior:contain;max-height:100%;min-height:0}@media (max-width:767px){.notebook-drawer{width:100%;border-right:1px solid var(--line);border-radius:0}.phone-hidden{display:none}}.notebook-drawer-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px}.notebook-drawer-header h3{margin:0;font-size:16px}.notebook-drawer-header-actions{display:flex;gap:8px}.notebook-drawer-body{display:grid;grid-template-columns:220px 1fr;grid-gap:16px;gap:16px;min-height:0;flex:1 1;grid-template-rows:minmax(0,1fr)}.notebook-editor-slot,.notebook-page-list{min-width:0}@media (max-width:640px){.notebook-drawer-body{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}}.notebook-page-list{overflow-y:auto;overscroll-behavior:contain}.notebook-page-list ul{list-style:none;margin:0 0 10px;padding:0;display:grid;grid-gap:2px;gap:2px}.notebook-page-list li{display:flex;align-items:center;gap:4px;min-width:0}.notebook-page-list li button:not(.ghost){flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;background:transparent;border:none;color:var(--ink);padding:6px 8px;border-radius:var(--radius)}.notebook-page-list li button:hover:not(.ghost){background:var(--moss-pale)}.notebook-page-list li button.notebook-page-active{background:var(--moss-pale);color:var(--pine-deep);font-weight:600}.notebook-page-rename{font-size:.75rem;padding:2px 6px;min-height:24px}.notebook-page-delete{font-size:.875rem;padding:2px 6px;min-width:24px;min-height:24px}@media (max-width:767px){.notebook-page-rename{min-height:44px;min-width:44px;padding:2px 10px}.notebook-page-delete{min-height:44px;min-width:44px;margin-left:12px}}.notebook-add-page{display:flex;gap:6px;margin-top:6px}.notebook-add-page input{flex:1 1;min-width:0}.notebook-deleted-pages{margin-top:12px}.notebook-deleted-pages ul{list-style:none;margin:6px 0 0;padding:0;display:grid;grid-gap:4px;gap:4px}.notebook-deleted-pages li{display:flex;align-items:center;justify-content:space-between;gap:8px}.notebook-editor-slot{border-left:1px solid var(--line);padding-left:16px;min-height:240px;display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain}@media (max-width:640px){.notebook-editor-slot{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:12px}}@media (max-width:767px){.notebook-editor-slot{min-height:0}}.notebook-editor{display:flex;flex-direction:column;gap:8px;min-height:200px;flex:1 1;width:100%;max-width:72ch}.notebook-window-page .notebook-editor{margin-inline:auto}.notebook-editor{--knowpad-surface:var(--paper-raised);--knowpad-border:var(--line);--knowpad-accent:var(--pine);--knowpad-text:var(--ink);--knowpad-muted:var(--ink-soft);--knowpad-radius:var(--radius);--knowpad-font:var(--font-body);--knowpad-mono:var(--font-mono);--knowpad-surface-padding:14px 16px}.notebook-editor-surface{flex:1 1;min-height:0;display:flex}.notebook-editor-surface:focus-within{outline:2px solid var(--pine);outline-offset:2px}.notebook-editor-surface .ProseMirror{flex:1 1;outline:none}.notebook-editor-surface .ProseMirror p{margin:0 0 .75em}.notebook-toolbar{gap:4px 10px;padding-bottom:2px}.notebook-toolbar,.notebook-toolbar-group{display:flex;flex-wrap:wrap;align-items:center}.notebook-toolbar-group{gap:2px;padding-right:8px;border-right:1px solid var(--line)}.notebook-toolbar-end,.notebook-toolbar-group:last-child{border-right:none;padding-right:0}.notebook-toolbar-end{margin-left:auto}.notebook-tool{font:inherit;font-size:.75rem;line-height:1;color:var(--ink-soft);background:transparent;border:1px solid transparent;border-radius:var(--radius);padding:5px 7px;cursor:pointer;min-height:24px;min-width:24px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.notebook-tool:hover{background:var(--moss-pale);color:var(--ink)}.notebook-tool:focus-visible{outline:2px solid var(--pine);outline-offset:1px}.notebook-tool.is-active{background:var(--moss-pale);border-color:var(--line);color:var(--pine-deep)}.notebook-tool code{font-family:var(--font-mono);font-size:.6875rem}@media (max-width:767px){.notebook-toolbar{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.notebook-toolbar-group{flex-wrap:nowrap}.notebook-tool{min-height:44px;min-width:44px}}@media print{body.notebook-printing *{visibility:hidden}body.notebook-printing .notebook-editor-surface,body.notebook-printing .notebook-editor-surface *{visibility:visible}body.notebook-printing .notebook-editor-surface{position:absolute;inset:0;max-width:none}body.notebook-printing [data-knowpad-editor]{border:none;min-height:0;padding:0}body.notebook-printing [data-knowpad-source-toolbar]{display:none}}.notebook-save-status{display:flex;align-items:center;gap:6px;color:var(--ink-soft);font-size:.75rem;justify-content:flex-end}.notebook-save-dot{width:8px;height:8px;border-radius:50%;background:var(--line)}.notebook-save-dot.notebook-save-saved{background:var(--pine)}.notebook-save-dot.notebook-save-dirty,.notebook-save-dot.notebook-save-saving{background:var(--moss)}.notebook-save-dot.notebook-save-conflict,.notebook-save-dot.notebook-save-error{background:var(--fail)}.notebook-conflict{border:1px solid var(--fail);background:var(--surface-warn);border-radius:var(--radius);padding:10px 12px}.notebook-conflict p{margin:0 0 8px}.notebook-conflict-actions{display:flex;gap:8px;flex-wrap:wrap}.notebook-window-page{max-width:none;height:100dvh;display:flex;flex-direction:column}.notebook-window-header{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px}.notebook-window-header h1{margin:0;font-size:18px}.notebook-window-page .notebook-drawer-body{flex:1 1;min-height:0}.notebook-window-page .notebook-editor-slot,.notebook-window-page .notebook-page-list{overflow-y:auto}.notebook-focus-notice{background:var(--moss-pale);border:1px solid var(--line);border-radius:var(--radius);padding:6px 10px;margin-bottom:8px;font-size:.75rem;color:var(--ink-soft)}.notebook-editor-error{border:1px solid var(--fail);border-radius:var(--radius);padding:8px 10px;margin-bottom:8px;font-size:.8125rem;color:var(--fail)}.notebook-editor-diagnostic{padding:6px 10px;margin-bottom:8px;font-size:.75rem;color:var(--ink-soft)}.notebook-editor-diagnostic,.qr-frame{border:1px solid var(--line);border-radius:var(--radius)}.qr-frame{display:inline-block;background:#fff;padding:12px;line-height:0}.qr-url{margin:10px 0 0}.podcast-feed-url,.qr-url{font-family:var(--font-mono);font-size:.8125rem;word-break:break-all}.podcast-feed-url{flex:1 1}.chat-msg .chat-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chat-msg .chat-actions .ghost{font-size:.75rem;padding:2px 10px}.chat-figures{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chat-figures .figure-chip{font-size:.75rem;padding:2px 10px}.chat-msg.pending p{margin:0}.node .node-body{transition:opacity .15s ease}.node.locked,.node.skipped{opacity:.72}.node.available,.node[role=button]{cursor:pointer}.node[role=button]:hover .node-body{opacity:.85}.node [data-marker]{opacity:1!important}.node.current [data-marker=current]{animation:node-now 2.4s ease-in-out infinite}@keyframes node-now{0%,to{stroke-opacity:1}50%{stroke-opacity:.45}}.node:focus-visible{outline:none}.node:focus-visible .node-body{stroke:var(--ink);stroke-width:2.5}.tree-scroll:focus-visible{outline:2px solid var(--pine);outline-offset:2px}.snapshot-capture,.snapshot-reading{margin:28px 0 0}.snapshot-dropzone{border:1px dashed var(--line-strong);border-radius:var(--radius);padding:16px;display:grid;grid-gap:8px;gap:8px;justify-items:start}.snapshot-dropzone.is-dropping{background:var(--moss-pale)}.snapshot-dropzone .muted{margin:0}.snapshot-dropzone input[type=file]{width:100%;min-width:0;box-sizing:border-box}.snapshot-add{font-size:.875rem;color:var(--ink-soft)}.snapshot-strip{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px}.snapshot-page{display:grid;grid-gap:4px;gap:4px;justify-items:center;width:132px;font-size:.8125rem}.snapshot-page img{width:132px;height:96px;object-fit:cover;border:1px solid var(--line);border-radius:var(--radius)}.snapshot-page-failed{width:132px;height:96px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line-strong);border-radius:var(--radius)}.snapshot-page-error{color:var(--ink-soft);text-align:center}.snapshot-page-actions{display:flex;gap:4px;flex-wrap:wrap;justify-content:center}.snapshot-page-actions button{padding:3px 7px;font-size:.75rem}@media (max-width:767px){.snapshot-strip{flex-direction:column;flex-wrap:nowrap}.snapshot-page{width:100%}.snapshot-page img,.snapshot-page-failed{width:100%;height:auto;aspect-ratio:4/3;max-height:240px}.snapshot-page-actions{display:grid;grid-template-columns:repeat(2,1fr);width:100%}.snapshot-page-actions button{padding:3px 7px}}.snapshot-hint{margin-top:16px}.snapshot-hint textarea{width:100%}.snapshot-privacy{margin-top:16px}.snapshot-read-action{margin:16px 0 0}.snapshot-source{margin:0 0 12px}.snapshot-stance{margin:16px 0;display:grid;grid-gap:6px;gap:6px;justify-items:start}.snapshot-stance-label{font-size:.8125rem;color:var(--ink-soft)}.snapshot-stance .muted{margin:0}.snapshot-chip-row{margin-top:16px}.snapshot-chip-row h3{margin:0 0 6px;font-size:.8125rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}.snapshot-chips{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.snapshot-chips>li{display:grid;grid-gap:2px;gap:2px}.snapshot-chip{display:flex;align-items:center;gap:8px;font-size:.875rem}.snapshot-plant{margin-top:20px;display:grid;grid-gap:6px;gap:6px;justify-items:start}.snapshot-plant .muted{margin:0}@media (prefers-reduced-motion:reduce){.node.current [data-marker=current]{animation:none}}.landing-close,.landing-grid,.landing-hero{max-width:960px}.landing-hero{margin:8px 0 var(--landing-gap,48px)}.landing-grid{margin:0 0 var(--landing-gap,48px)}.landing-hero{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;grid-column-gap:44px;column-gap:44px}.landing-hero-copy{min-width:0;max-width:640px}.landing-mark{color:var(--pine);line-height:0}.landing-mark svg{display:block}.landing-mark{animation:mark-settle .9s ease-out both}@keyframes mark-settle{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.landing-hero h1{font-size:34px;margin:0 0 14px}.landing-lede{font-size:17px;color:var(--ink-soft);margin:0 0 22px}.landing-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.landing-grid{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px}.landing-grid :is(h2,h3){margin:0 0 6px;font-size:1rem;font-weight:600}.landing-grid p{margin:0}@media (min-width:980px){.landing-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:880px){.landing-hero{column-gap:32px}.landing-mark svg{width:128px;height:128px}}@media (max-width:640px){.landing-hero{grid-template-columns:1fr;row-gap:18px}.landing-mark svg{width:116px;height:116px}.landing-hero h1{font-size:27px}}.landing-close h2{margin:0 0 8px}.landing-close p{margin:0 0 16px}.form-grid{display:grid;grid-gap:12px;gap:12px;max-width:480px}.form-grid label{display:grid;grid-gap:4px;gap:4px;font-size:.875rem;color:var(--ink-soft)}.related-links{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;margin-top:12px}.password-input{position:relative;display:grid}.password-input input{padding-right:40px}.password-toggle{position:absolute;top:50%;right:4px;transform:translateY(-50%);display:grid;place-items:center;width:32px;height:32px;padding:0;background:transparent;border:none;color:var(--ink-soft)}.password-toggle:hover:not(:disabled){background:var(--moss-pale);border-color:transparent;color:var(--ink)}.form-grid label.checkbox-row{display:flex;flex-direction:row;align-items:center;gap:8px}.field-group{display:grid;grid-gap:12px;gap:12px}.field-group h3{margin:0;font-size:.9375rem}.form-grid details{border-top:1px solid var(--line);padding-top:10px}.about-versions{display:grid;grid-template-columns:max-content 1fr;grid-gap:6px 16px;gap:6px 16px;margin:0}.about-versions dt{color:var(--ink-soft);font-size:.875rem}.about-versions dd{margin:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.form-grid details summary{cursor:pointer;font-size:.8125rem;color:var(--pine);font-weight:600}.search-bar{max-width:1200px;margin:16px auto 0;padding:0 24px}.search-bar:has(+main.page-narrow){max-width:640px}@media (max-width:767px){.search-bar{display:none}}.search-bar form{display:flex;gap:8px;align-items:center}.search-bar input[type=search]{flex:0 1 320px;min-width:200px;transition:flex-basis .18s ease}.search-bar.expanded input[type=search]{flex-basis:100%}.search-bar .search-tools{display:flex;align-items:center;gap:8px;white-space:nowrap}.segmented{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-raised)}.segmented button{border:none;border-radius:0;background:transparent;color:var(--ink-soft);font-size:.8125rem;padding:7px 12px}.segmented button+button{border-left:1px solid var(--line-strong)}.segmented button.is-current,.segmented button:hover:not(:disabled){background:var(--moss-pale);color:var(--pine-deep)}.segmented button.is-current{font-weight:600}.card>h1+.segmented{margin-top:16px}.card>h1+.segmented:not(:last-child){display:flex;width:-moz-fit-content;width:fit-content;margin-bottom:20px}.segmented--wrap{display:flex;flex-wrap:wrap;gap:6px;border:none;background:none;overflow:visible}.segmented--wrap button,.segmented--wrap button+button{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--paper-raised)}.segmented--wrap button.is-current{border-color:var(--pine)}.search-bar .scope-label{font-size:.8125rem;color:var(--ink-soft)}.search-results{margin-top:10px}.search-results h4{margin:12px 0 4px;font-size:.8125rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}.search-results h4:first-child{margin-top:0}.search-results ul{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.search-results mark{background:var(--moss-pale);color:var(--pine-deep);padding:0 2px}.publish-toggle{display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.forest{margin-top:20px;--bark:#6b4428;--bark-deep:#4a2c18;--rest-bark:#7a6a5c;--bloom-1:#e8483a;--bloom-2:#f5b51f;--bloom-3:#8f4fd6;--bloom-4:#ec5f9e;--bloom-heart:#fff0a8;--dry:#a98c66}.forest[data-season=spring]{--sky-high:#bfe3fb;--sky-low:#f6fbe8;--ground-far:#d4f0a4;--ground-mid:#aedf6e;--ground-near:#86c94a;--leaf:#7cc63a;--leaf-light:#c2e862;--leaf-deep:#3f9a34;--season-accent:#f58fbf}.forest[data-season=summer]{--sky-high:#7cc4f2;--sky-low:#e3f4fd;--ground-far:#a9db7e;--ground-mid:#79c255;--ground-near:#4fa83c;--leaf:#1f9a4a;--leaf-light:#5cc84b;--leaf-deep:#11703a;--season-accent:#ff6b4a}.forest[data-season=autumn]{--sky-high:#f6c58f;--sky-low:#fdf0dc;--ground-far:#e9cf8c;--ground-mid:#d6a65a;--ground-near:#c07f36;--leaf:#ee7a1e;--leaf-light:#ffc02e;--leaf-deep:#c8361f;--season-accent:#9c1d2a;--bloom-1:#c8462a;--bloom-2:#e09a1c;--bloom-3:#7a3b8f;--bloom-4:#c2577a;--bloom-heart:#ffd27a}.forest[data-season=winter]{--sky-high:#a9c9ea;--sky-low:#f1f6fb;--ground-far:#eef4f8;--ground-mid:#dfe9f1;--ground-near:#cbdbe8;--leaf:#1f7a5c;--leaf-light:#f4fbff;--leaf-deep:#135443;--season-accent:#d6253a;--bloom-1:#a7826a;--bloom-2:#c4a574;--bloom-3:#8c7a92;--bloom-4:#b48c8c;--bloom-heart:#5e4630}@media (prefers-color-scheme:dark){.forest{--bark:#9a6e4a;--bark-deep:#6e4a2e;--rest-bark:#8a7c70;--dry:#8d7556}.forest[data-season=spring]{--sky-high:#12263a;--sky-low:#1f3326;--ground-far:#2c4a24;--ground-mid:#2f5d26;--ground-near:#357028;--leaf:#86d445;--leaf-light:#c6ef6a;--leaf-deep:#4aa63c;--season-accent:#f79ccb}.forest[data-season=summer]{--sky-high:#0f2236;--sky-low:#1a2f2a;--ground-far:#22452a;--ground-mid:#275a2c;--ground-near:#2c6e30;--leaf:#2fb85a;--leaf-light:#6fd85a;--leaf-deep:#1c8a46;--season-accent:#ff7a55}.forest[data-season=autumn]{--sky-high:#2a1a12;--sky-low:#3a2817;--ground-far:#4a3a1e;--ground-mid:#5e4622;--ground-near:#725226;--leaf:#ff8a2a;--leaf-light:#ffc845;--leaf-deep:#e0472b;--season-accent:#c43344;--bloom-1:#e0583a;--bloom-2:#f0aa2a;--bloom-3:#9a52b0;--bloom-4:#da6a8e;--bloom-heart:#ffd889}.forest[data-season=winter]{--sky-high:#121c2c;--sky-low:#243142;--ground-far:#2c3a4c;--ground-mid:#34455a;--ground-near:#3d5066;--leaf:#2f9a76;--leaf-light:#b9cadb;--leaf-deep:#1f6e56;--season-accent:#ff4a5c;--bloom-1:#b8937a;--bloom-2:#d2b383;--bloom-3:#9d8aa4;--bloom-4:#c39c9b;--bloom-heart:#3a2a1e}}.forest-report{font-size:1.05em;margin:0 0 12px}.forest svg{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-raised)}.forest-list{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-gap:2px;gap:2px}.forest-list li{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:8px;row-gap:4px;padding:6px 4px}.forest-list a,.forest-list li{border-radius:var(--radius)}.forest-list-name{font-weight:600}.forest-list-resting .forest-list-name{color:var(--ink-soft);font-weight:500}.forest-sim-controls{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:end}.forest-sim-controls label{display:grid;grid-gap:4px;gap:4px;font-size:.875rem;color:var(--ink-soft)}.forest-sim-controls input[type=number]{width:6.5em}.forest-sim-readout{margin:12px 0 0;font-size:.875rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;overflow-wrap:anywhere}@media (forced-colors:active){.tree-edge{forced-color-adjust:none;fill:CanvasText}.node .node-body{forced-color-adjust:none;fill:Canvas;stroke:CanvasText}.node.locked .node-body{stroke:GrayText}.node.available .node-body,.node[role=button] .node-body{stroke:Highlight}.node.passed .node-body{fill:Highlight;stroke:Highlight}.node [data-marker]{forced-color-adjust:none;fill:none;stroke:Highlight}.node text{fill:CanvasText}}.dash-section{margin:28px 0 0}.dash-section+.dash-section{margin-top:40px}.dash-heading{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--ink-soft);margin:0 0 12px}.growing-list{display:grid;grid-gap:12px;gap:12px;margin-bottom:20px}.growing-card{display:grid;grid-template-columns:84px minmax(0,1fr);grid-gap:16px;gap:16px;align-items:end}.growing-plant{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}.growing-plant .sapling{display:block;overflow:visible}.growing-stage{text-align:center;line-height:1.2}.growing-copy{min-width:0;align-self:center}.growing-copy h3{margin:0 0 4px;font-size:16px}.growing-copy h3 a{text-decoration:none}.growing-copy h3 a:hover{text-decoration:underline}.growing-copy p{margin:0;line-height:1.5}.plant-limit{max-width:42ch;margin:0}.budget-line{margin:0 0 12px}.rest-candidates{margin-top:16px}.rest-candidates-list{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-gap:6px;gap:6px}.rest-candidates-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--line)}.rest-candidates-list li:last-child{border-bottom:none}.rest-candidates-list li button{white-space:nowrap}.grown-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.grown-list li{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--line)}.grown-list li:last-child{border-bottom:none;padding-bottom:0}.dash-forest-link{margin:16px 0 0}@media (max-width:520px){.growing-card{grid-template-columns:64px minmax(0,1fr);gap:12px}}.rehearse-rooms{border:0;padding:0;margin:16px 0}.rehearse-rooms legend{font-weight:500;margin-bottom:8px}.rehearse-room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:8px;gap:8px}.rehearse-room{display:flex;flex-direction:column;gap:4px;align-items:flex-start;text-align:left;padding:10px 12px;background:var(--paper-raised);color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--radius)}.rehearse-room:hover:not(:disabled){background:var(--moss-pale);border-color:var(--pine)}.rehearse-room.is-current{border-color:var(--pine);box-shadow:inset 0 0 0 1px var(--pine)}.rehearse-room-facts{display:flex;flex-direction:column;gap:2px;margin-top:4px;font-size:.85em}.rehearse-room-fact{display:flex;gap:6px}.rehearse-room-fact-key{color:var(--ink-soft);flex:0 0 4.6em}.rehearse-room-standing{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px;font-size:.85em}.rehearse-room-score{font-size:1.25em;font-weight:600}.rehearse-room-move{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.rehearse-room-move--up{color:var(--pine)}.rehearse-room-move--down{color:var(--fail)}.rehearse-room-move--steady{color:var(--ink-soft)}.rehearse-option{display:flex;flex-direction:column;gap:6px;margin:12px 0}.rehearse-guidance{margin:12px 0}.rehearse-guidance summary{cursor:pointer;font-weight:500}.rehearse-guidance ul{margin:8px 0 0;padding-left:20px}.rehearse-record-arm{margin:12px 0}.rehearse-record-arm .checkbox-row{display:flex;flex-direction:row;align-items:center;gap:8px}.rehearse-record-arm p{margin:4px 0 0}.rehearse-role-setup{margin:12px 0;display:flex;flex-direction:column;gap:8px}.rehearse-posting-paste{min-height:8em;width:100%}.rehearse-brief{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:4px 0}.rehearse-brief-title{margin:0 0 6px}.rehearse-brief-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:6px 0}.rehearse-chip{border:1px solid var(--line);border-radius:999px;padding:2px 10px;background:none;cursor:pointer;font:inherit}.rehearse-chip:hover{background:var(--moss-pale);border-color:var(--pine)}.rehearse-chip--static{cursor:default}.rehearse-chip--static:hover{background:none;border-color:var(--line)}.rehearse-chip--touched{background:var(--moss-pale);border-color:var(--pine);font-weight:600}.rehearse-coverage{margin:8px 0 12px}.rehearse-resume{margin:4px 0}.rehearse-resume summary{cursor:pointer;font-weight:500}.rehearse-resume textarea{width:100%;min-height:6em;margin-top:8px}.rehearse-resume-file{display:flex;flex-direction:column;gap:4px;margin-top:8px}.rehearse-resume-notice{margin:4px 0 8px}.rehearse-resume--filled{border:1px solid var(--line);border-radius:8px;padding:10px 12px}.rehearse-live{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);grid-gap:20px;gap:20px;align-items:start}@media (max-width:800px){.rehearse-live{grid-template-columns:1fr}}.rehearse-status{flex-wrap:wrap;--gap:12px}.rehearse-mic{display:inline-block;width:80px;height:8px;border-radius:4px;background:var(--surface-sunken);overflow:hidden}.rehearse-mic>span{display:block;height:100%;background:var(--accent);transform-origin:left center;transition:transform .12s linear}.rehearse-clock{font-family:var(--font-mono)}.rehearse-floor{border:0;cursor:pointer;font:inherit}.rehearse-topic{margin:8px 0 12px}.rehearse-transcript{max-height:60vh;overflow-y:auto;padding:4px 0;display:flex;flex-direction:column;gap:10px}.rehearse-line{margin:0}.rehearse-who{display:block;font-size:.75rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}.rehearse-line--user{border-left:3px solid var(--pine);padding-left:10px}.rehearse-line--assistant{border-left:3px solid var(--line);padding-left:10px}.rehearse-notes{margin:12px 0;padding:0;list-style:none;gap:8px}.coach-card,.rehearse-notes{display:flex;flex-direction:column}.coach-card{gap:4px;padding:8px 10px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper-raised);animation:coach-card-arrive .22s ease-out}.coach-card-kind{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}.coach-card-body{line-height:1.45}.coach-card--meta{background:var(--surface-sunken)}.coach-card--meta .coach-card-kind{color:var(--pine);font-weight:600}.coach-card--meta .coach-card-body{font-style:italic}.coach-learned{margin:2px 0 0;padding-left:18px;font-size:.85em}.coach-moves{margin:2px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;font-size:.8125rem}.coach-move{display:flex;align-items:baseline;gap:4px}.coach-move-label{color:var(--ink-soft)}.coach-move-score{font-weight:600}.coach-move-delta,.coach-move-score{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.coach-move--up .coach-move-delta{color:var(--pine)}.coach-move--down .coach-move-delta{color:var(--fail)}.coach-move--held .coach-move-delta{color:var(--ink-soft)}@keyframes coach-card-arrive{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.coach-card{animation:none}}.rehearse-meta-form{display:flex;gap:6px;margin:8px 0 12px}.rehearse-meta-form input{flex:1 1;min-width:0}.score-bars{margin:0;display:flex;flex-direction:column;gap:8px}.score-bar dt{font-size:.8125rem;margin-bottom:2px}.score-bar dd{margin:0;display:flex;align-items:center;gap:8px}.score-bar-track{position:relative;flex:1 1;height:8px;border-radius:4px;background:var(--surface-sunken);overflow:hidden}.score-bar-fill{position:relative;height:100%;background:var(--moss-strong);transition:width .3s ease}.score-bar-target{position:absolute;inset:0 auto;top:0;bottom:0;background:var(--line-strong);opacity:.35}.score-bar-value{font-family:var(--font-mono);font-size:.8125rem;min-width:5ch;text-align:right}.terms-addendum-section{margin-top:16px}.terms-addendum-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.terms-addendum-header h2{margin:0;font-size:1rem}.terms-addendum{margin:8px 0 0}.term-entry{margin-bottom:10px}.term-entry dt{font-weight:600;display:flex;align-items:center;gap:6px}.term-entry dd{margin:2px 0 0;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.term-added{font-size:.6875rem;text-transform:uppercase}.highlights-section{margin-top:16px}.highlights-section summary{font-size:1rem;font-weight:600;cursor:pointer}.highlights-list{list-style:none;margin:8px 0 0;padding:0}.highlight-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px solid var(--line)}.highlight-row:last-child{border-bottom:none}.highlight-quote{font-style:italic}.highlight-actions{display:flex;gap:4px;flex:none}.highlights-earlier{margin-top:12px}.highlights-earlier h3{margin:0 0 4px;font-size:.8125rem;color:var(--ink-soft);font-weight:600}.highlight-picker{max-width:480px;text-align:left;max-height:80vh;overflow-y:auto}.highlight-picker-group{margin-top:12px}.highlight-picker-heading{margin:0 0 4px;font-size:.9375rem;font-weight:600}.highlight-picker-list{list-style:none;margin:0;padding:0}.highlight-picker-row{padding:2px 0}.highlight-picker-row label{display:flex;align-items:flex-start;gap:8px;cursor:pointer}@media (max-width:767px){.highlight-picker-row{min-height:44px;display:flex;align-items:center}}.term{font-style:inherit}.term-button{font:inherit;color:inherit;background:none;border:0;border-radius:2px;padding:0;margin:0;text-align:inherit;white-space:normal;max-width:100%;-webkit-text-decoration:underline dotted var(--line-strong);text-decoration:underline dotted var(--line-strong);text-decoration-thickness:2px;text-underline-offset:2px;cursor:help;-webkit-user-select:text;-moz-user-select:text;user-select:text}.term-button:hover:not(:disabled),.term-button[aria-expanded=true]{background:none;-webkit-text-decoration-color:var(--pine);text-decoration-color:var(--pine)}.term-tip{position:fixed;top:0;left:0;z-index:40;width:max-content;max-width:min(20rem,var(--term-tip-max,calc(100vw - 16px)));padding:8px 10px;background:var(--paper-raised);color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--radius);box-shadow:0 8px 24px var(--shadow);font-size:.875rem;line-height:1.45;font-style:normal;font-weight:400;text-align:start;visibility:hidden}.term-tip[hidden]{display:none}.term-tip[data-placement=above],.term-tip[data-placement=below]{visibility:visible}.term-tip[data-placement=inline]{position:static;display:block;width:auto;max-width:none;margin:6px 0;box-shadow:none;visibility:visible}.term-tip:focus{outline:none}.term-tip a{white-space:nowrap}.inline-markdown .katex-display{margin:.25em 0;overflow-x:auto;overflow-y:hidden;max-width:100%}@media (prefers-reduced-motion:no-preference){.term-tip:not([hidden]){animation:term-tip-fade .12s ease-out}}@keyframes term-tip-fade{0%{opacity:0}to{opacity:1}}mark.hl{background:var(--hl-bg);color:inherit;-webkit-text-decoration:underline solid var(--hl-edge);text-decoration:underline solid var(--hl-edge);text-decoration-thickness:2px;text-underline-offset:3px}mark.hl[data-hl-edge~=end]:after,mark.hl[data-hl-edge~=start]:before{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}mark.hl[data-hl-edge~=start]:before{content:"highlight start, "}mark.hl[data-hl-edge~=end]:after{content:", highlight end"}@media (forced-colors:active){mark.hl{background:Mark;color:MarkText;forced-color-adjust:none;-webkit-text-decoration-color:CanvasText;text-decoration-color:CanvasText}}.selection-toolbar{position:fixed;z-index:40;display:flex;gap:6px;padding:6px;background:var(--paper-raised);border:1px solid var(--line-strong);border-radius:var(--radius);box-shadow:0 8px 24px var(--shadow)}.selection-toolbar button{font-size:.8125rem;padding:6px 10px}.selection-toolbar-undo{position:fixed;z-index:40;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--paper-raised);border:1px solid var(--line-strong);border-radius:var(--radius);box-shadow:0 8px 24px var(--shadow);font-size:.875rem}.selection-strip{display:none}@media (max-width:767px){.selection-strip{display:flex;flex-wrap:wrap;position:fixed;left:0;right:0;bottom:0;z-index:45;min-height:var(--lesson-bar-height);padding-bottom:env(safe-area-inset-bottom);background:var(--paper-raised);border-top:1px solid var(--line);box-shadow:0 -4px 12px var(--shadow)}.selection-strip-item{flex:1 1 50%;display:flex;align-items:center;justify-content:center;min-height:44px;font-size:.8125rem;color:var(--ink);background:none;border:none;padding:4px 8px}.selection-strip-item:hover{background:var(--moss-pale)}}@media (max-width:359px){.selection-strip-item{flex-basis:100%}}.rehearse-summary{font-size:1.0625rem;margin:8px 0 16px}.rehearse-dimensions{margin:16px 0;display:flex;flex-direction:column;gap:14px}.rehearse-dimensions dt{font-weight:500}.rehearse-dimensions dd{margin:4px 0 0}.rehearse-dimensions blockquote{margin:4px 0;padding-left:10px;border-left:3px solid var(--line);color:var(--ink-soft);font-style:italic}.rehearse-garden{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}.rehearse-garden li{display:flex;gap:12px;align-items:flex-start}.rehearse-garden p{margin:4px 0}.rehearse-flora{flex:none;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;padding:2px 8px;border-radius:999px;margin-top:2px;background:var(--surface-sunken);color:var(--ink-soft)}.rehearse-flora--tree{background:var(--moss-pale);color:var(--pine-deep)}.rehearse-flora--flower{background:transparent;color:var(--ink-soft);border:1px solid var(--line-strong);padding:1px 7px}.rehearse-requirement-status{margin-left:8px;font-size:.8125rem;text-transform:uppercase;letter-spacing:.03em}.rehearse-requirement-status--shown{color:var(--pine)}.rehearse-requirement-status--claimed{color:var(--ink)}.rehearse-requirement-status--missed{color:var(--fail)}.rehearse-requirement-status--not_reached{color:var(--ink-soft)}.rehearse-resume-notes{margin:16px 0}.rehearse-resume-notes ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}.rehearse-resume-notes li{border:1px solid var(--line);border-radius:8px;padding:8px 10px}.rehearse-resume-note-kind{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft)}.rehearse-readiness{margin:12px 0}.rehearse-full-transcript{margin-top:16px}.rehearse-full-transcript summary{cursor:pointer}.history-score{display:inline-block;margin-right:10px;font-size:.8125rem;white-space:nowrap}.history-score+.history-score{border-left:1px solid var(--line);padding-left:10px}.trend-chart{margin-top:8px}.trend-chart>svg{width:100%;max-width:640px;height:auto;display:block}.trend-chart--empty{padding:8px 0}.trend-legend{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:14px;font-size:.8125rem}.trend-legend li{display:flex;align-items:center;gap:6px}.trend-swatch{flex:none;display:block;width:24px;height:10px}.trend-table{margin-top:16px}.trend-table td,.trend-table th{white-space:nowrap}.requirement-list{display:grid;grid-gap:12px;gap:12px}.requirement-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}.requirement-waived{text-decoration:line-through}.card:has(>.requirement-list)>.card-heading,.podcast :is(h2,h3){font-size:1rem;margin:0 0 10px}.lesson-parts-header{margin:0 0 8px;color:var(--ink-soft);font-size:.8125rem}.lesson-parts-note{margin:16px 0 0}.reshape-sheet .chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.reshape-sheet .reshape-inputs{margin:12px 0}.reshape-sheet .reshape-direction{display:block;margin-top:12px}.reshape-sheet .reshape-direction textarea{width:100%}.reshape-first-lesson{margin-top:16px;font-size:13px}.reshape-banner button{flex:0 0 auto}.reshape-entry{margin:8px 0 0;font-size:13px}.plan-diff{margin:12px 0}.plan-diff-sittings,.plan-diff-summary{margin:0 0 8px}.plan-diff-stream h3{margin:12px 0 4px;font-size:13px;color:var(--ink-soft)}.plan-diff-kept ul,.plan-diff-stream ul{list-style:none;margin:0;padding:0}.plan-diff-mark{display:inline-block;width:1.25em;font-weight:700}.plan-diff-added .plan-diff-mark{color:var(--moss)}.plan-diff-removed .plan-diff-mark{color:var(--fail)}.plan-diff-detail{margin:0 0 0 1.25em!important;font-size:12px}.plan-diff-kept{margin-top:12px}.landing-about{text-align:center;margin:24px 0 0;font-size:.875rem}#answers-heading:focus,.lesson-card:focus,.lesson-parts-header:focus{outline:none}.lesson-stepper{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin:12px 0}.lesson-stepper-button{min-width:0;display:inline-flex;gap:.35em;align-items:center;justify-content:center}.lesson-stepper-arrow{flex:none}.lesson-stepper-label{display:block;max-width:14rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-stepper-error{flex-basis:100%;margin:0;color:var(--fail);font-size:.875rem}@media (max-width:767px){.lesson-stepper-label{max-width:9rem}.lesson-actions .lesson-stepper-button{flex:1 1;min-width:0}.lesson-stepper-button{min-height:44px}.lesson-actions .lesson-actions-primary{flex:1 1 100%;white-space:normal}.lesson-actions .lesson-stepper-error{flex-basis:100%}}.grill-topics{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-direction:column;gap:4px}.grill-topic{display:flex;justify-content:space-between;gap:12px}.grill-topic--skipped{color:var(--ink-soft);text-decoration:line-through}.grill-dots{letter-spacing:2px}.grill-review{margin-bottom:16px}.grill-review-list{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}.grill-review-topic p{margin:4px 0}.grill-claims{margin:4px 0;padding-left:18px}.grill-claim{font-weight:500}.grill-claim--worth_checking{font-style:italic}.passage-dim{opacity:.45;transition:opacity .2s}.adjust-quote{margin:8px 0;padding:8px 12px;border-left:3px solid var(--line-strong);max-height:12rem;overflow:auto;white-space:pre-wrap}.adjust-note{font-size:.875rem;margin:4px 0}.adjust-chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.adjust-dialog textarea{width:100%}.passage-note{margin:8px 0;font-size:.875rem}.passage-note p{margin:4px 0}.passage-note-actions{flex-wrap:wrap}.passage-note-actions,.passage-status{display:flex;gap:10px;align-items:center}.passage-status{margin:8px 0;font-size:.875rem}.prelaunch{max-width:960px;margin:0 auto;padding:0 16px}.prelaunch-cms{display:contents}.prelaunch-header{display:flex;align-items:baseline;gap:12px;padding:28px 0 8px;border-bottom:1px solid var(--line)}.prelaunch-brand{font:600 1.375rem/1.25 var(--font-display);letter-spacing:.02em;color:var(--pine-deep);text-decoration:none}.prelaunch-brand small{font:400 .8125rem/1.55 var(--font-body);color:var(--ink-soft);letter-spacing:.04em;margin-left:10px}.prelaunch-hero{padding:48px 0 28px}.prelaunch-hero h1{font:600 clamp(28px,4vw,34px)/1.25 var(--font-display);margin:0 0 14px;max-width:24ch}.prelaunch-hero p{margin:0;max-width:60ch;color:var(--ink-soft);font-size:1.0625rem}.prelaunch-hero .prelaunch-note{margin-top:18px;font-size:.8125rem;letter-spacing:.04em}.prelaunch-note b{color:var(--pine);font-weight:600}.prelaunch h2{font:600 1.375rem/1.25 var(--font-display);letter-spacing:.02em;margin:32px 0 16px}.prelaunch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:18px;gap:18px}.prelaunch-grid figure{margin:0;background:var(--paper-raised);border:1px solid var(--line);border-radius:10px;overflow:hidden}.prelaunch-grid video{display:block;width:100%;aspect-ratio:16/9;background:var(--surface-sunken)}.prelaunch-grid figcaption{padding:10px 14px 12px;font-size:.875rem}.prelaunch-size{color:var(--ink-soft);font-size:.8125rem;margin-left:8px}.prelaunch-empty{padding:28px;border:1px dashed var(--line-strong);border-radius:10px;color:var(--ink-soft)}.prelaunch-footer{margin:56px 0 32px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.8125rem}.verify-contact{margin:4px 0}.verify-code{position:relative;display:block;width:max-content}.verify-code input{position:absolute;inset:0;width:100%;height:100%;opacity:0;font-size:1.5rem;letter-spacing:1em;cursor:text}.verify-code-boxes{display:flex;gap:6px;pointer-events:none}.verify-code-boxes span{width:2.5rem;height:3rem;display:flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:6px;font-size:1.5rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.verify-code input:focus-visible+.verify-code-boxes span.is-current{outline:2px solid var(--pine)}.verify-code:has(input:focus-visible) .verify-code-boxes span.is-current{outline:2px solid var(--pine)}.link-button{background:none;border:none;padding:0;color:var(--ink-soft);font-size:.8125rem;text-decoration:underline;cursor:pointer}.link-button:hover{background:none;color:var(--ink)}.link-button:disabled{text-decoration:none;cursor:default;opacity:.7}.contact-rows{display:grid;grid-gap:8px;gap:8px}.contact-row{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}.contact-row dt{width:4.5rem}.contact-row dd{margin:0}