.weekend-demo{padding-bottom:48px;--demo-radius:12px}.weekend-demo .label{font-size:.75rem;letter-spacing:.12em}.demo-intro{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;padding:32px 0 28px;align-items:end}.demo-back{display:inline-block;color:var(--teal);font:500 .875rem/1.5 Inter,sans-serif;text-underline-offset:4px;margin-bottom:22px}.demo-intro h1{font-size:clamp(2.25rem,4.5vw,3.65rem);max-width:15ch;margin-top:12px;line-height:1.08}.demo-summary{margin-top:18px;font:400 1rem/1.6 Inter,sans-serif;color:var(--ink-soft)}.demo-goal{padding:8px 0 8px 24px;border-left:2px solid var(--teal)}.demo-goal>p:not(.sec-note){font-size:1.3rem;line-height:1.45;margin-top:12px}.demo-format{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--teal);border-radius:var(--demo-radius);overflow:hidden}.demo-format a{display:flex;gap:12px;align-items:center;padding:16px 22px;text-decoration:none;font:500 1rem/1.5 Inter,sans-serif;color:var(--teal)}.demo-format a[aria-current=page]{background:var(--teal);color:var(--paper)}.demo-format a>span{font-size:.875rem;opacity:.8}.demo-format small{margin-left:auto;font-size:.875rem}.demo-jumps{display:flex;gap:24px;flex-wrap:wrap;padding:16px 0;font:500 .875rem/1.5 Inter,sans-serif}.demo-jumps a{text-decoration:none;padding:4px 0;color:var(--ink-soft);border-bottom:1px solid transparent}.demo-jumps a:hover{border-color:var(--teal);color:var(--teal)}.demo-section{padding:38px 0 44px}.demo-section-title{display:flex;gap:20px;align-items:center;margin-bottom:24px}.demo-section-title h2{margin-top:8px;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.15}.demo-number{font:300 2.1rem/1 Fraunces,serif;color:var(--rust);min-width:48px;border-right:1px solid var(--rule);padding-right:16px}.demo-instruction{max-width:76ch;color:var(--ink-soft);font-size:1.1rem;margin:18px 0}.demo-note{border-left:3px solid var(--ochre);background:var(--paper-2);padding:18px 22px;margin:20px 0;border-radius:0 var(--demo-radius) var(--demo-radius) 0}.demo-note h3{margin-bottom:8px}.demo-note p{max-width:82ch}.picture-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}.picture-card{border:1px solid var(--rule);border-radius:var(--demo-radius);background:var(--paper);overflow:hidden;min-width:0}.flip-button{display:block;width:100%;border:0;padding:0;background:transparent;text-align:left;color:var(--ink);font:inherit;cursor:pointer;perspective:1200px}.flip-inner{display:grid;transform-style:preserve-3d;transition:transform .5s;min-height:430px}.flip-button[aria-expanded=true] .flip-inner{transform:rotateY(180deg)}.card-front,.card-back{grid-area:1/1;display:flex;flex-direction:column;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}.card-front img{width:100%;height:280px;object-fit:cover;border-bottom:1px solid var(--rule)}.card-cue{padding:16px 20px 8px;font-size:1.13rem;line-height:1.4;flex:1}.card-turn{display:flex;justify-content:space-between;gap:8px;font:500 .875rem/1.5 Inter,sans-serif;color:var(--teal);padding:12px 20px 18px}.card-back{transform:rotateY(180deg);padding:30px 24px 8px;background:var(--paper-2);font:400 1rem/1.6 Inter,sans-serif;justify-content:center}.card-back .card-turn{padding:24px 0 16px;margin-top:auto;align-items:end}.card-phrase{font:450 2rem/1.15 Fraunces,serif;color:var(--teal);margin:16px 0}.card-example{font:400 1.25rem/1.5 Newsreader,Georgia,serif;border-top:1px solid var(--rule);margin-top:18px;padding-top:16px}.card-translation{font-size:.875rem;color:var(--ink-soft);margin-top:14px}.card-audio{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--rule)}.recall-audio{grid-template-columns:1fr}.card-audio button{border:0;padding:14px 8px;background:transparent;font:500 .875rem/1.4 Inter,sans-serif;min-height:48px;cursor:pointer;color:var(--teal)}.card-audio button+button{border-left:1px solid var(--rule)}.card-audio button:hover{background:var(--paper-2)}.card-audio button[data-playing=true]{background:var(--teal);color:var(--paper)}.demo-status{font:400 .875rem/1.5 Inter,sans-serif;color:var(--teal);margin-top:12px;min-height:0}.demo-status:empty{margin:0}.listening-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.audio-panel,.task-output,.recorder{border:1px solid var(--rule);border-radius:var(--demo-radius);padding:24px;background:var(--paper-2)}.weekend-demo h3{font:450 1.45rem/1.25 Fraunces,serif;margin-bottom:12px}.weekend-demo h4{font:600 1rem/1.4 Inter,sans-serif;margin:18px 0 10px}.weekend-demo audio[controls]{display:block;width:100%;margin:18px 0 10px;min-height:44px}.weekend-demo audio[hidden]{display:none}.audio-speed{font:400 .875rem/1.5 Inter,sans-serif;display:flex;gap:12px;align-items:center;margin-top:12px}.weekend-demo select{font:inherit;background:var(--paper);border:1px solid var(--rule);border-radius:6px;color:var(--ink);padding:10px;min-height:44px;max-width:100%}.demo-details{border:1px solid var(--rule);border-radius:var(--demo-radius);margin:16px 0;background:var(--paper)}.demo-details summary{padding:18px 20px;cursor:pointer;font:500 1rem/1.5 Inter,sans-serif;color:var(--teal)}.demo-details[open]>summary{border-bottom:1px solid var(--rule)}.details-body{padding:20px 24px}.details-body p+p{margin-top:14px}.transcript{margin:0}.transcript .details-body p{display:grid;grid-template-columns:45px 1fr;gap:12px;line-height:1.5}.transcript b{color:var(--teal);font:600 .875rem/1.6 Inter,sans-serif}.quiz-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:26px 0 0}.demo-question{min-width:0;border:1px solid var(--rule);border-radius:var(--demo-radius);padding:18px;background:var(--paper);font:400 1rem/1.5 Inter,sans-serif}.demo-question legend{font:500 1.06rem/1.5 Inter,sans-serif;padding:0 5px;max-width:100%}.demo-question>label{display:flex;gap:10px;align-items:center;padding:9px 0;cursor:pointer;min-height:44px}.demo-question input{accent-color:var(--teal);width:18px;height:18px;flex-shrink:0}.demo-button{display:inline-flex;gap:8px;align-items:center;justify-content:center;font:500 .875rem/1.5 Inter,sans-serif;min-height:44px;padding:11px 18px;border:1px solid var(--teal);border-radius:7px;cursor:pointer;background:var(--teal);color:var(--paper);text-decoration:none}.demo-button.secondary{background:transparent;color:var(--teal)}.demo-button:hover{filter:brightness(.92)}.demo-button:disabled{opacity:.45;cursor:default}.demo-button[hidden]{display:none}.demo-question>.demo-button{margin-top:10px}.question-feedback{font-size:.875rem;line-height:1.55;margin-top:12px}.question-feedback:empty{margin:0}.question-feedback[data-correct=true]{color:var(--teal)}.question-feedback[data-correct=false]{color:var(--rust)}.answer-key{margin-top:16px;font-size:.875rem}.answer-key summary{cursor:pointer;text-underline-offset:4px;text-decoration:underline;color:var(--ink-soft);padding:6px 0;min-height:32px}.answer-key p{margin-top:10px}.language-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:24px;border-top:2px solid var(--teal);background:var(--paper-2);border-radius:0 0 var(--demo-radius) var(--demo-radius)}.language-strip p{margin-top:12px;line-height:1.7;font-size:1.15rem}.language-strip b{color:var(--teal)}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.role-card ul{padding-left:22px}.role-card li+li{margin-top:8px}.plan-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.plan-fields label,.draft-label{display:block;font:500 .875rem/1.5 Inter,sans-serif}.weekend-demo input[type=text],.weekend-demo textarea{display:block;width:100%;padding:12px;background:var(--paper);border:1px solid var(--rule);border-radius:6px;color:var(--ink);font:400 1rem/1.5 Inter,sans-serif;margin-top:8px}.weekend-demo textarea{resize:vertical}.weekend-demo input::placeholder,.weekend-demo textarea::placeholder{color:var(--ink-soft);opacity:.8}.draft-label{margin-top:24px}.recorder{margin:24px 0}.recorder-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:18px}.recorder-actions>span{font:500 .875rem Inter,sans-serif}.invitation{border:1px solid var(--rule);border-radius:var(--demo-radius);padding:26px;background:var(--paper-2)}.invitation>p{font-size:1.5rem;line-height:1.5;margin-top:14px;max-width:65ch}.speaking-steps{padding-left:25px;margin:22px 0}.speaking-steps li{padding-left:10px;margin-bottom:12px}.speaking-steps li::marker{color:var(--rust);font-weight:600}.reflection-grid{display:grid;gap:0;margin-top:24px;border-top:1px solid var(--rule)}.reflection-grid label{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:16px 0;border-bottom:1px solid var(--rule);font:400 1rem/1.5 Inter,sans-serif}.reflection-grid select{min-width:215px}.demo-next{display:grid;border:1px solid var(--rule);grid-template-columns:1fr auto;align-items:center;gap:30px;padding:26px;background:var(--paper-2);border-radius:var(--demo-radius);margin-top:28px}.demo-next p{max-width:60ch}.demo-cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:26px;margin-top:16px;border-radius:var(--demo-radius);background:var(--teal);color:#fff}.demo-cta h3{color:#fff;margin:0 0 6px}.demo-cta p{color:#fff;max-width:60ch;margin:0}.demo-cta .sec-note{color:#fffc;margin-top:6px}.demo-cta .demo-button{background:#fff;color:var(--teal);border-color:#fff}.teacher-aside{padding:20px 0;border-top:1px solid var(--rule)}.teacher-aside .details-body>p{max-width:86ch}.source-list{padding-left:22px;margin:20px 0}.source-list li{margin:10px 0;font:400 .875rem/1.6 Inter,sans-serif}.source-list a{color:var(--teal);text-underline-offset:3px}.demo-footer{border-top:1px solid var(--rule);padding-top:26px;display:flex;gap:24px;justify-content:space-between;align-items:center}.demo-footer .sec-note{margin:0}.weekend-demo :focus-visible{outline:3px solid var(--rust);outline-offset:3px}.weekend-demo [hidden]{display:none!important}@media (min-width:1000px){.card-front img{height:290px}}@media (max-width:900px){.demo-cta{grid-template-columns:1fr}.demo-cta .demo-button{justify-self:start}.demo-intro{gap:32px}.picture-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-grid{grid-template-columns:1fr}.demo-question>label{padding:10px}.listening-layout{grid-template-columns:1fr}.language-strip{gap:18px}.demo-next{grid-template-columns:1fr}.demo-next .demo-button{justify-self:start}}@media (max-width:600px){.weekend-demo{padding-left:20px;padding-right:20px}.demo-intro{grid-template-columns:1fr;gap:24px;padding-top:24px}.demo-intro h1{max-width:18ch}.demo-goal{padding-left:16px}.demo-goal>p:not(.sec-note){font-size:1.15rem}.demo-format a{padding:12px;font-size:.875rem;gap:8px;flex-wrap:wrap}.demo-format small{display:block;flex-basis:100%;margin-left:27px}.demo-jumps{gap:12px 20px}.demo-section{padding:28px 0}.demo-section-title{gap:12px}.demo-section-title .label{font-size:.7rem}.demo-number{min-width:38px;font-size:1.65rem;padding-right:10px}.picture-grid{grid-template-columns:1fr;gap:22px}.flip-inner{min-height:445px}.card-front img{height:auto;aspect-ratio:1.15;object-fit:cover}.language-strip{grid-template-columns:1fr}.language-strip>div+div{border-top:1px solid var(--rule);padding-top:14px}.role-grid,.plan-fields{grid-template-columns:1fr}.role-grid{gap:0}.reflection-grid label{display:block}.reflection-grid select{display:block;width:100%;margin-top:12px}.demo-footer{align-items:start;flex-direction:column}.details-body,.audio-panel,.task-output,.recorder{padding:20px}.demo-note{padding:16px}.demo-section-title h2{font-size:1.7rem}.invitation>p{font-size:1.25rem}}@media (prefers-reduced-motion:reduce){.flip-inner{transition:none}}@media print{header.site,footer.site,.skiplink,.demo-jumps,.demo-format,.card-audio,audio,.recorder,.demo-footer,.demo-button,.audio-speed,.card-turn,.question-feedback,.demo-back{display:none!important}.weekend-demo{max-width:none;padding:0;font-size:11pt}.demo-intro{gap:24px}.demo-intro h1{font-size:28pt}.demo-section{padding:18px 0;break-inside:auto}.demo-section-title h2{font-size:20pt}.picture-grid{grid-template-columns:repeat(3,1fr);gap:12px}.flip-inner{transform:none!important;display:block;min-height:0}.card-front,.card-back{display:block;transform:none;backface-visibility:visible}.card-front img{height:120px;object-fit:contain}.card-cue{display:none}.card-back{padding:12px}.card-phrase{display:block;font-size:17pt;margin:8px 0}.card-back>span{display:block;font-size:10pt}.picture-card{break-inside:avoid}.demo-details .details-body,.answer-key p{display:block!important}.demo-details::details-content,.answer-key::details-content{content-visibility:visible!important;display:block!important}.quiz-grid,.language-strip{grid-template-columns:repeat(3,1fr);gap:12px}.demo-question{font-size:10pt;break-inside:avoid}.demo-question legend{font-size:11pt}.demo-next,.demo-cta{display:none}.role-card{break-inside:avoid}.source-list{font-size:9pt}.teacher-aside .demo-details{break-before:page}.demo-details summary{font-size:11pt}.demo-note{padding:12px}.reflection-grid select{font-size:10pt}}.mistake-row{background:#fff8e1;border:2px solid #ffe082;border-left:6px solid #f59e0b;border-radius:0 12px 12px 0;padding:14px 18px;margin-bottom:12px;line-height:1.7}.mistake-row .num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#f59e0b;color:#fff;font-weight:900;font-size:.85rem;margin-right:10px;flex-shrink:0}.mistake-row .mistake{text-decoration:underline wavy var(--rust);text-decoration-thickness:2px;text-underline-offset:4px;font-weight:800;color:var(--rust)}.mistake-row .answer-key{margin-top:12px}.mistake-row .answer-key p{background:#d1fae5;color:#065f46;border-left:4px solid #059669;border-radius:0 10px 10px 0;padding:10px 14px;margin-top:8px}.mistake-row .answer-key .sec-note{background:transparent;border:0;padding:6px 0 0;color:var(--ink-soft)}.recall-front{justify-content:flex-start;gap:10px;padding:22px 20px 0;text-align:center}.recall-emoji{font-size:2.6rem;line-height:1}.recall-situation{font-size:1rem;line-height:1.55;color:var(--ink-soft);flex:1}.recall-grid .flip-inner{min-height:330px}@media (max-width:520px){.recall-grid .flip-inner{min-height:360px}.recall-situation{font-size:.95rem}}.prose-transcript .details-body p,.prose-transcript .details-body p:nth-child(2n){display:block;grid-template-columns:none;background:transparent;padding:0;margin:0 0 16px;line-height:1.8}.prose-transcript .details-body p:last-child{margin-bottom:0}@media (max-width:520px){.demo-intro{padding:16px}.demo-intro h1{margin:10px 0 8px}.demo-intro p{margin-bottom:8px}.demo-jumps{gap:6px;padding:6px 0;margin-bottom:10px}.demo-jumps a{padding:5px 9px}.lesson-topbar{margin-bottom:10px}}body.lesson-view{background:#f7f9f6;color:#273740}.weekend-demo{--paper:#fff;--paper-2:#f4f8f1;--ink:#273740;--ink-soft:#4b5b65;--rule:#ccc6bc;--teal:#397694;--rust:#963e43;--ochre:#73808c;--demo-radius:16px;--chunk-ink:#6f4631;--chunk-bg:#f3d9c3;max-width:1120px;margin:auto;padding:20px 28px 48px;font:400 22px/1.78 Nunito,system-ui,sans-serif;letter-spacing:.01em}.weekend-demo[data-format=remote]{font-size:20px;--chunk-ink:#365943;--chunk-bg:#d3e8d3}.weekend-demo h1,.weekend-demo h2,.weekend-demo h3,.weekend-demo h4{font-family:Nunito,system-ui,sans-serif;font-weight:700;letter-spacing:0;line-height:1.25;max-width:none}.weekend-demo h3{font-size:1.2em}.weekend-demo h4{font-size:1em}.weekend-demo .label,.weekend-demo .sec-note,.weekend-demo button,.weekend-demo select,.weekend-demo textarea,.weekend-demo input,.weekend-demo .demo-button,.weekend-demo .demo-status,.weekend-demo .draft-label,.weekend-demo .plan-fields label{font-family:Nunito,system-ui,sans-serif}.weekend-demo .label{font-size:.75em;font-weight:700;letter-spacing:.02em;color:var(--ink-soft)}.weekend-demo .sec-note{font-size:.8em;line-height:1.6;color:var(--ink-soft)}.lesson-topbar{display:flex;justify-content:space-between;gap:18px;margin-bottom:20px;font-size:16px}.lesson-topbar a{color:var(--teal);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.demo-intro{display:block;padding:28px 30px;text-align:left;background:#f0f7fa;color:var(--ink);border:1px solid var(--rule);border-top:3px solid var(--teal);border-radius:20px;margin-bottom:22px}.demo-intro h1{font-size:clamp(28px,3.2vw,40px);max-width:none;margin:0 0 12px;color:var(--teal)}.demo-intro p{font-size:1em;line-height:1.6}.header-badge{display:block;color:var(--ink-soft);font-size:.75em;font-weight:700;margin-top:14px}.demo-format{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;border:0;border-radius:0;overflow:visible}.demo-format a{gap:9px;font:700 16px/1.5 Nunito,sans-serif;padding:9px 16px;border-radius:24px;border:1px solid var(--ochre);background:#fff;color:var(--ink);min-height:44px}.demo-format small{font-size:.8em}.demo-jumps{gap:10px;position:sticky;top:0;z-index:10;background:#f7f9f6;padding:14px 0;margin-bottom:20px}.demo-jumps a{padding:9px 14px;border:1px solid var(--ochre);border-radius:24px;background:#fff;color:var(--ink);font:700 16px/1.5 Nunito,sans-serif;min-height:44px}.demo-jumps a[aria-current=step]{background:var(--teal);border-color:var(--teal);color:#fff}.demo-section{padding:0;margin-bottom:28px;scroll-margin-top:90px}.demo-section-title{gap:18px;padding:10px 20px;border-left:3px solid var(--teal);margin:24px 0;text-align:left}.demo-section-title h2{font-size:clamp(26px,2.5vw,34px);margin:6px 0 0}.demo-number{font:700 1.3em/1 Nunito,sans-serif;color:var(--ink-soft);border:0;padding:0;min-width:0}.demo-note{padding:20px 24px;background:#cfe6f0;border:0;border-radius:12px;font-size:1em;line-height:1.7}.demo-instruction{font-size:1em;line-height:1.75}.card-mode,.gap-actions,.gap-tools,.chunk-bank{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.picture-grid{gap:24px;margin:24px 0 32px}.picture-card{border:1px solid var(--rule);border-radius:16px;background:#fff;box-shadow:none}.flip-inner{min-height:360px}.card-front,.card-back{text-align:center;overflow:visible}.card-front{justify-content:center;background:#fff}.card-front img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;border:0;border-radius:15px 15px 0 0}.card-cue{display:none;padding:28px 22px;font-weight:400;font-size:1em;color:var(--ink-soft);flex:initial}[data-card-deck][data-mode=recall] .card-front img{display:none}[data-card-deck][data-mode=recall] .card-cue{display:block}.card-turn{display:block;margin-top:auto;padding:16px;font:700 15px/1.5 Nunito,sans-serif;color:var(--teal)}.card-turn>span{margin-left:8px}.card-back{background:#f4f8f1;padding:24px 20px 0;font:400 20px/1.65 Nunito,sans-serif;border-radius:15px 15px 0 0}.card-phrase{font:700 26px/1.3 Nunito,sans-serif;color:var(--chunk-ink);margin:14px 0}.card-example{font:400 20px/1.65 Nunito,sans-serif;margin-top:18px;border:0;padding:0}.card-back .card-turn{padding:18px 0}.card-translation{font-size:17px;margin-top:14px}.card-audio{border-top:1px solid var(--rule);padding:10px;gap:8px}.card-audio button{border:1px solid var(--ochre);border-radius:24px;color:#2c627d;font:700 16px/1.5 Nunito,sans-serif;padding:8px;min-height:44px;background:#fff}.card-audio button+button{border-left:1px solid var(--ochre)}.weekend-demo mark{background:var(--chunk-bg);color:var(--chunk-ink);padding:1px 5px;border-radius:5px;font-weight:700;-webkit-box-decoration-break:clone;box-decoration-break:clone}.demo-button{font:700 16px/1.5 Nunito,sans-serif;border-width:1px;border-radius:24px;min-height:44px}.demo-button.secondary,.weekend-demo [data-card-mode][aria-pressed=false]{background:#fff;color:#2c627d}.weekend-demo [data-card-mode][aria-pressed=true],.weekend-demo [data-chunk][aria-pressed=true]{background:var(--teal);color:#fff}[data-chunk][aria-pressed=true]:before{content:"✓ "}.weekend-demo [data-playing=true]{background:#cfe6f0;color:#315568;outline:2px solid var(--teal);outline-offset:2px}.demo-details summary{font:700 1em/1.6 Nunito,sans-serif;color:var(--ink)}.details-body{font-size:1em;line-height:1.75}.listening-layout{grid-template-columns:1fr}.transcript .details-body p{grid-template-columns:70px minmax(0,1fr) auto;padding:16px;margin:0 0 14px;background:#dfedf4;border-radius:14px;font-size:1em;line-height:1.8}.transcript .details-body p:nth-child(2n){background:#e1eee0}.transcript b{font:700 1em/1.8 Nunito,sans-serif;color:var(--ink)}.line-audio{display:inline-grid;place-items:center;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;border:1px solid var(--ochre);border-radius:50%;background:#fff;color:#2c627d;font-size:20px;cursor:pointer}.audio-panel,.task-output,.recorder,.gap-practice{background:#fff;padding:26px 28px;border:1px solid var(--rule);border-radius:16px;box-shadow:none}.quiz-grid{grid-template-columns:1fr}.demo-question{font:400 1em/1.7 Nunito,sans-serif;padding:20px 24px}.demo-question legend{font:700 1em/1.6 Nunito,sans-serif;padding:0 8px}.demo-question>label{border:1px solid var(--rule);border-radius:12px;padding:12px;margin:10px 0}.demo-question>label:has(input:checked){background:#d3e8d3;border-color:#438065}.gap-practice{margin:20px 0}.gap-actions{margin:18px 0}.gap-row{display:grid;grid-template-columns:1.4em minmax(0,1fr);gap:10px;background:var(--paper-2);border-radius:14px;padding:18px;margin:18px 0;line-height:1.9}.gap-sentence{font-size:1em;min-width:0}.gap-index{color:var(--ink-soft);font-weight:700}.gap-tools,.gap-model,.gap-row>.question-feedback{grid-column:2}.gap-tools{margin-top:6px}.weekend-demo input[type=text],.weekend-demo textarea,.weekend-demo select{border:2px solid var(--ochre);font-size:1em;min-height:44px;border-radius:10px}.weekend-demo .gap-sentence input{display:inline-block;vertical-align:baseline;width:230px;max-width:100%;padding:6px 10px;text-align:center;font-size:1em;margin:4px 0}.weekend-demo input[aria-invalid=true]{background:#fdecec;border-color:var(--rust)}.weekend-demo input[aria-invalid=false]{background:#e1eee0;border-color:#438065}.gap-model,.mistake-row .answer-key p{background:var(--paper-2);color:var(--ink);border-left:3px solid #438065;padding:12px 16px;border-radius:0 10px 10px 0;line-height:1.7;font-weight:400}.question-feedback,.demo-status,.answer-key{font-size:.85em}.question-feedback:empty{display:none}.language-strip{background:#cfe6f0;border:0;border-radius:12px}.language-strip p{font-size:1em}.language-strip b{color:#315568}.invitation{background:var(--paper-2);border:0}.invitation>p{font-size:1.1em}.taboo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}.taboo-grid .demo-details{margin:0}.taboo-grid .details-body{padding:18px}.taboo-grid h3{font-size:1.1em}.taboo-grid summary{padding:16px}.reflection-grid{background:#fff;border:1px solid var(--rule);border-radius:16px;padding:10px 24px}.reflection-grid label{font:400 1em/1.6 Nunito,sans-serif}.reflection-grid label:last-child{border-bottom:0}.lesson-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:28px 0;padding-top:20px;border-top:1px solid var(--rule)}.demo-cta{background:#f0f7fa;color:var(--ink);border:1px solid var(--rule)}.demo-cta h3,.demo-cta p{color:var(--ink)}.demo-cta .sec-note{color:var(--ink-soft)}.demo-cta .demo-button{background:var(--teal);color:#fff;border-color:var(--teal)}.teacher-aside .details-body{font-size:.9em}.source-list li{font:400 .9em/1.6 Nunito,sans-serif}.mistake-row{background:var(--paper-2);border:0;border-radius:12px;padding:18px;margin-bottom:16px;line-height:1.8}.mistake-row .num{background:transparent;color:var(--ink-soft);font-weight:700}.mistake-row .mistake{font-weight:400}.recall-front{gap:18px;padding:28px 22px 0}.recall-situation{font-size:1em;line-height:1.65;color:var(--ink)}.prose-transcript .details-body p,.prose-transcript .details-body p:nth-child(2n){display:block;background:transparent;padding:0;margin:0 0 16px;line-height:1.8}@media (max-width:900px){.taboo-grid{grid-template-columns:1fr 1fr}}@media (max-width:600px){.weekend-demo{padding:14px;font-size:20px}.weekend-demo[data-format=remote]{font-size:18px}.lesson-topbar{font-size:14px;gap:10px;margin-bottom:12px}.demo-intro{padding:20px 18px}.header-badge{font-size:14px}.demo-format a{font-size:15px;padding:8px 12px}.demo-format a>span,.demo-format small{display:none}.demo-jumps{gap:8px;padding:10px 0;position:static}.demo-jumps a{font-size:14px;padding:9px 11px}.demo-section-title{padding:8px 14px;gap:12px}.demo-number{font-size:1em}.flip-inner{min-height:340px}.card-back{padding:24px 20px 0}.card-front img{aspect-ratio:auto}.audio-panel,.task-output,.recorder,.gap-practice,.details-body{padding:20px 16px}.gap-row{padding:14px 12px;gap:8px}.weekend-demo .gap-sentence input{width:100%}.gap-tools .demo-button{font-size:14px;padding:8px 12px}.demo-details summary{padding:16px}.transcript .details-body p{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:14px}.transcript .details-body p>b{grid-column:1/-1}.transcript .details-body p>span{grid-column:1}.taboo-grid{grid-template-columns:1fr}.lesson-navigation{gap:8px}.lesson-navigation .sec-note{font-size:13px;text-align:center}.lesson-navigation .demo-button{font-size:14px;padding:8px 12px}.reflection-grid{padding:8px 16px}.reflection-grid select{min-width:0}.demo-cta,.demo-next{padding:20px}}@media print{.lesson-topbar,.card-mode,.gap-tools,.line-audio,.lesson-navigation{display:none!important}.weekend-demo .demo-section[hidden]{display:block!important}.demo-intro,.demo-section-title{background:#fff;color:#000}.card-front img{height:100px}.gap-row{break-inside:avoid}.card-example{font-size:10pt}}.weekend-demo:has(.vocab-app) .demo-next{grid-template-columns:1fr}.weekend-demo:has(.vocab-app) .demo-next .demo-button{justify-self:start}.weekend-demo :is([data-audio],[data-gap-reveal],[data-va-play-word],[data-va-play-ex],[data-va-flip-btn],.lesson-icon){display:inline-grid;place-items:center;flex:0 0 44px;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;border:1px solid #73808c;border-radius:50%;background:#fff;color:#2c627d;line-height:1;cursor:pointer;vertical-align:middle;text-decoration:none}.weekend-demo .lesson-icon{list-style:none}.weekend-demo .lesson-icon::-webkit-details-marker{display:none}.weekend-demo [data-gap-reveal][aria-expanded=true],.weekend-demo details[open]>.lesson-icon{outline:2px solid #d3e8d3;border-color:#438065}.card-audio{display:flex;justify-content:center;gap:18px}.weekend-demo [data-va-flip-btn]{display:grid;margin:16px auto 0}.conversation-frame{display:grid;gap:12px;margin-bottom:20px}.conversation-frame p{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;padding:16px;border-radius:14px;margin:0!important}.conversation-frame .speaker-a{background:#dfedf4}.conversation-frame .speaker-b{background:#e1eee0}.conversation-frame b{font-weight:700}