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8px;font-size:clamp(11px,1vw,13px);line-height:1}.worksheet-language-toggle.is-on{background:#eaf8fc;border-color:#24acd2}.worksheet-language-toggle.is-on strong{color:#fff;background:#0a9fd0}.worksheet-user-actions>img:not(.worksheet-avatar){width:clamp(34px,3.5vw,50px);height:clamp(34px,3.5vw,50px)}.worksheet-avatar{border-radius:50%;width:clamp(34px,3.5vw,50px);height:clamp(34px,3.5vw,50px)}.worksheet-user-chevron{font-size:clamp(15px,1.6vw,22px);line-height:1;transform:translateY(-2px)}.worksheet-hero{height:var(--worksheet-hero-h);flex:0 0 var(--worksheet-hero-h);background:#67c2d8;position:relative;overflow:hidden}.worksheet-hero-bg{width:calc(100% - var(--worksheet-card-w));object-fit:cover;height:100%;display:block}.worksheet-hero h1{left:var(--page-pad-x);right:var(--page-pad-x);max-width:2000px;padding-left:calc((var(--left-rail-width) - var(--teacher-width)) / 2);padding-right:calc(var(--worksheet-card-w) + clamp(16px, 3vw, 50px));box-sizing:border-box;letter-spacing:0;white-space:normal;margin:0 auto;font-size:clamp(18px,2.2vw,36px);font-weight:700;line-height:1.15;position:absolute;top:50%;transform:translateY(-50%)}.worksheet-hero.is-exclamation-worksheet-one h1{max-width:min(1180px, calc(100% - var(--worksheet-card-w) - var(--page-pad-x) * 2));font-size:clamp(22px,2.15vw,34px);font-weight:800}.worksheet-example-strip{left:var(--page-pad-x);right:calc(var(--worksheet-card-w) + clamp(16px, 3vw, 50px));pointer-events:none;justify-content:center;align-items:center;height:clamp(40px,7vh,64px);max-height:calc(100% - clamp(8px,1.4vh,16px));display:flex;position:absolute;top:50%;transform:translateY(-50%)}.worksheet-example-strip:before{content:"";opacity:0;pointer-events:none;border-radius:18px;position:absolute;inset:-9px clamp(0px,1.6vw,18px);box-shadow:0 0 #13c0e800}.worksheet-example-strip.is-hint-highlighted:before{animation:1.4s ease-in-out infinite worksheetBannerHintPulse}.worksheet-example-strip.is-hint-highlighted img{animation:1.4s ease-in-out infinite worksheetBannerHintZoom}.worksheet-example-strip img{z-index:1;object-fit:contain;transform-origin:50%;width:min(100%,962px);height:auto;max-height:100%;display:block;position:relative}.worksheet-exclamation-example-strip{left:var(--page-pad-x);right:calc(var(--worksheet-card-w) + clamp(16px, 3vw, 50px));z-index:1;box-sizing:border-box;pointer-events:none;flex-direction:column;justify-content:center;gap:clamp(2px,.7vh,8px);max-height:calc(100% - clamp(8px,1.4vh,16px));padding:0 clamp(12px,3.2vw,56px);display:flex;position:absolute;top:50%;transform:translateY(-50%)}.worksheet-exclamation-example-strip p,.worksheet-exclamation-example-strip div{letter-spacing:0;margin:0;font-family:Andika,sans-serif;line-height:1.08}.worksheet-exclamation-example-strip p{color:#000;font-size:clamp(18px,2.05vw,32px);font-style:italic;font-weight:800}.worksheet-exclamation-example-strip div{color:#fff;white-space:nowrap;grid-template-columns:max-content minmax(0,.9fr) minmax(0,1.45fr) minmax(0,1.85fr);align-items:center;column-gap:clamp(18px,3vw,66px);font-size:clamp(17px,1.95vw,31px);font-style:italic;font-weight:800;display:grid}.worksheet-exclamation-example-strip strong{color:#fff;font-weight:800}.worksheet-exclamation-example-strip span{text-align:center;display:inline-block}.worksheet-exclamation-example-strip span:nth-of-type(2){justify-self:center;transform:translate(clamp(30px,5.6vw,132px))}.worksheet-exclamation-example-strip span:nth-of-type(3){justify-self:end;transform:translate(clamp(10px,2vw,46px))}.worksheet-activity-card{width:var(--worksheet-card-w);height:var(--worksheet-hero-h);background:#035fa6;position:absolute;top:0;right:0}.worksheet-activity-card-content{color:#fff;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:absolute;inset:0}.worksheet-activity-card-content strong{letter-spacing:1px;font-size:clamp(22px,2.6vw,34px);line-height:1}.worksheet-activity-card-content{gap:clamp(6px,1vh,12px)}.worksheet-activity-progress{background:#b9d7f1;border-radius:999px;width:clamp(130px,14vw,190px);height:clamp(10px,1.3vh,15px);overflow:hidden}.worksheet-activity-progress span{width:var(--activity-progress);border-radius:inherit;background:#74c9dc;height:100%;transition:width .26s;display:block}.worksheet-activity-progress.is-empty span{opacity:0;width:0}.worksheet-main{z-index:30;min-width:0;min-height:0;padding:clamp(6px, 1vh, 12px) var(--page-pad-x) clamp(16px, 2.4vh, 28px);box-sizing:border-box;flex-direction:column;flex:auto;display:flex;position:relative;overflow:visible}.worksheet-back{color:#0064b8;width:100%;max-width:2000px;font:inherit;cursor:pointer;padding:0 0 clamp(8px, 1.6vh, 24px) calc((var(--left-rail-width) - var(--teacher-width)) / 2);box-sizing:border-box;background:0 0;border:0;flex:none;justify-content:flex-start;align-self:flex-start;align-items:center;gap:6px;margin:clamp(8px,1.4vh,20px) auto 0;font-size:clamp(13px,1.3vw,18px);display:flex}.worksheet-back>*{flex:none}.worksheet-back img{flex:none;width:clamp(15px,1.6vw,19px);height:clamp(15px,1.6vw,19px);display:block}.worksheet-body{grid-template-columns:var(--left-rail-width) minmax(0, 1fr);gap:var(--content-gap);flex:auto;width:100%;max-width:2000px;height:auto;min-height:0;margin-inline:auto;display:grid}.worksheet-left-rail{flex-direction:column;justify-content:space-between;align-items:center;row-gap:clamp(10px,1.6vh,24px);height:min(100%,clamp(520px,70vh,760px));min-height:min(520px,100%);display:flex;position:relative}.worksheet-left-rail .worksheet-teacher-stage,.worksheet-left-rail .worksheet-scoreboard{flex:none}.worksheet-teacher-card{width:var(--teacher-width);aspect-ratio:344/211;object-fit:cover;background:#0b2530;border:7px solid #48bfd2;border-radius:10px;display:block}.worksheet-teacher-stage{width:var(--teacher-width);aspect-ratio:344/211;position:relative}.worksheet-teacher-stage .worksheet-teacher-card{width:100%;height:100%}.worksheet-teacher-layer{opacity:1;transition:opacity 1.2s;position:absolute;inset:0}.worksheet-teacher-layer.is-fading-out{opacity:0}.worksheet-teacher-layer.is-fading-in{opacity:1}.worksheet-teacher-layer.is-fading-in.worksheet-camera-card{animation:1.2s both worksheet-camera-fade-in}@keyframes worksheet-camera-fade-in{0%{opacity:0}to{opacity:1}}.worksheet-teacher-card::cue{color:#fff;font-size:clamp(1.15rem,1.8vw,1.42rem);line-height:1.18}.worksheet-teacher-card::cue(.target){color:#ffd84d;font-weight:800}.worksheet-camera-card{transform:scaleX(-1)}.worksheet-camera-off-card{color:#fff;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:0;font-size:20px;font-weight:700;display:flex}.worksheet-camera-off-card p{max-width:250px;margin:0;font-size:13px;font-weight:700;line-height:1.25}.worksheet-camera-toggle{color:#035fa6;cursor:pointer;z-index:4;background:#ffffffeb;border:2px solid #fff;border-radius:50%;outline:none;justify-content:center;align-items:center;width:clamp(30px,3vw,38px);height:clamp(30px,3vw,38px);padding:0;display:flex;position:absolute;top:clamp(12px,1.6vh,18px);right:clamp(14px,1.6vw,22px);box-shadow:0 3px 10px #0000002e}.worksheet-video-mute-toggle{color:#035fa6;cursor:pointer;z-index:4;background:#fffffff0;border:2px solid #fff;border-radius:50%;outline:none;justify-content:center;align-items:center;width:clamp(30px,3vw,38px);height:clamp(30px,3vw,38px);padding:0;display:flex;position:absolute;top:clamp(12px,1.6vh,18px);right:clamp(58px,6.5vw,74px);box-shadow:0 3px 10px #0000002e}.worksheet-camera-toggle:focus-visible,.worksheet-video-mute-toggle:focus-visible{box-shadow:inset 0 0 0 3px #035fa6b8,0 3px 10px #0000002e}.worksheet-video-mute-toggle.is-muted{color:#8b1111}.worksheet-video-mute-toggle img,.worksheet-camera-toggle img,.worksheet-camera-toggle svg{flex:none;width:19px;height:19px;display:block}.worksheet-camera-toggle svg{fill:currentColor}.worksheet-camera-toggle.is-off{color:#8b1111}.worksheet-camera-slash{fill:none;stroke:currentColor;stroke-width:2.4px;stroke-linecap:round}.worksheet-camera-permission-message{width:calc(var(--teacher-width) - 24px);z-index:4;color:#fff;text-align:center;background:#8b1111eb;border:2px solid #ffffffe6;border-radius:8px;padding:9px 10px;font-size:13px;font-weight:800;line-height:1.25;position:absolute;top:64px;left:12px}.worksheet-blizz{width:var(--bear-width);aspect-ratio:364/520;object-fit:contain;object-position:center center;align-self:center;max-width:100%;height:auto;max-height:clamp(250px,38vh,460px);margin:0}.worksheet-scoreboard{width:var(--score-width);box-sizing:border-box;margin-inline:auto;z-index:100;color:#02404d;letter-spacing:0;white-space:nowrap;background:#fff;border:1px solid #8b9ba5;border-radius:20px;justify-content:center;align-items:center;gap:clamp(6px,.8vw,14px);min-width:0;max-width:100%;min-height:clamp(44px,6vh,60px);margin-top:0;padding:clamp(8px,1.2vh,12px) clamp(20px,2.4vw,36px);font-size:clamp(11px,.95vw,18px);font-weight:800;line-height:1;display:flex;position:relative;overflow:hidden}.worksheet-scoreboard span,.worksheet-scoreboard strong{flex:none;align-items:center;display:inline-flex}.worksheet-scoreboard strong{font-variant-numeric:tabular-nums}.worksheet-scoreboard.has-wide-score{gap:clamp(6px,.8vw,14px);padding:clamp(8px,1.2vh,12px) clamp(24px,3vw,40px);font-size:clamp(10px,.85vw,16px)}.worksheet-score-correct{color:var(--worksheet-success)}.worksheet-score-wrong{color:var(--worksheet-wrong)}.worksheet-activity-area{flex-direction:column;flex:auto;align-self:stretch;width:100%;min-width:0;max-width:1800px;min-height:0;margin:0 auto;display:flex}.worksheet-instruction-row{align-items:center;gap:10px;padding:2px 0 8px;display:flex}.worksheet-speaker-button{cursor:pointer;background:0 0;border:0;flex:none;width:clamp(36px,3.6vw,54px);height:clamp(36px,3.6vw,54px);padding:0}.worksheet-speaker-button:disabled,.noun-picture-button:disabled,.noun-word-button:disabled,.noun-word-speaker:disabled,.noun-choice-button:disabled,.noun-choice-speaker:disabled,.sentence-demo-word:disabled{cursor:default}.worksheet-speaker-button img{width:100%;height:100%;display:block}.worksheet-instruction-row p{white-space:nowrap;word-break:normal;flex:1 1 0;min-width:0;max-width:none;margin:0;font-size:clamp(12px,1.55vw,40px);line-height:1.2}.worksheet-realtime-tester-panel{color:#24343f;background:#fffffff0;border:1px solid #c7d6df;border-radius:8px;gap:8px;width:min(760px,100%);margin:0 0 clamp(8px,1vh,14px);padding:10px 12px;font-family:Andika,sans-serif;display:grid;box-shadow:0 10px 28px #1f2d3614}.worksheet-realtime-tester-main{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.worksheet-realtime-tester-main button{color:#fff;min-height:38px;font:inherit;cursor:pointer;background:#1d7cd6;border:0;border-radius:8px;padding:0 16px;font-size:15px;font-weight:800}.worksheet-realtime-tester-main button:disabled{cursor:wait;opacity:.72}.worksheet-realtime-tester-main button.is-secondary{color:#263541;background:#e7eef4}.worksheet-realtime-tester-status{color:#364854;background:#e7eef4;border-radius:999px;align-items:center;min-height:30px;padding:0 10px;font-size:14px;font-weight:800;display:inline-flex}.worksheet-realtime-tester-status.is-connected{color:#166534;background:#daf7e4}.worksheet-realtime-tester-status.is-connecting{color:#7a4b00;background:#fff3cd}.worksheet-realtime-tester-status.is-error{color:#9b1c1c;background:#ffe1e1}.worksheet-realtime-tester-transcripts{gap:4px;font-size:clamp(14px,1.1vw,17px);line-height:1.25;display:grid}.worksheet-realtime-tester-transcripts p{gap:6px;min-width:0;margin:0;display:flex}.worksheet-realtime-tester-transcripts strong{color:#334854;flex:none}.worksheet-realtime-tester-transcripts .worksheet-realtime-tester-error strong,.worksheet-realtime-tester-transcripts .worksheet-realtime-tester-error span{color:#9b1c1c}.worksheet-realtime-tester-transcripts span{color:#526775;text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.worksheet-text-instruction{letter-spacing:0;font-family:Andika,sans-serif;font-size:clamp(27px,1.65vw,31px);font-weight:400;line-height:1.55}.worksheet-help-button{color:#064f6c;letter-spacing:0;cursor:pointer;white-space:nowrap;background:#fff;border:2px solid #84cdf0;border-radius:999px;flex:none;min-height:clamp(38px,4.8vh,52px);padding:0 clamp(14px,1.5vw,22px);font-family:Andika,sans-serif;font-size:clamp(14px,1.05vw,18px);font-weight:700;box-shadow:0 10px 22px #064f6c14}.worksheet-help-button.is-active{background:#e8f8ff;border-color:#07a6d1}.worksheet-text-sentence,.worksheet-text-option{letter-spacing:0;font-family:Andika,sans-serif;font-size:clamp(36px,3vw,48px);font-weight:400;line-height:1.18}.worksheet-text-card{letter-spacing:0;font-family:Andika,sans-serif;font-size:clamp(24px,2.2vw,36px);font-weight:700;line-height:1.12}.worksheet-text-drop-title{letter-spacing:0;font-family:Andika,sans-serif;font-size:clamp(24px,2.1vw,34px);font-weight:700;line-height:1.15}.worksheet-text-punctuation-button{letter-spacing:0;font-family:Andika,sans-serif;font-size:clamp(42px,4vw,64px);font-weight:800;line-height:1}.worksheet-template-activity{flex-direction:column;flex:auto;justify-content:center;align-items:center;gap:clamp(14px,3vh,32px);min-height:0;font-family:Andika,sans-serif;display:flex}.worksheet-text-pair-match-activity{gap:clamp(24px,4vh,44px)}.worksheet-text-pair-match-grid{grid-template-columns:repeat(2,clamp(240px,21vw,340px));justify-content:space-between;gap:10px clamp(120px,12vw,260px);width:clamp(740px,62vw,1080px);max-width:100%;display:grid;position:relative}.worksheet-text-pair-match-column{z-index:2;gap:10px;display:grid;position:relative}.worksheet-text-pair-match-lines{z-index:1;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.worksheet-text-pair-match-button{color:#2390b5;cursor:pointer;background:#fff;border:2px solid #66a1d4;border-radius:10px;justify-content:center;align-items:center;min-height:54px;padding:6px 22px;font-family:Andika,sans-serif;font-size:clamp(22px,1.8vw,28px);font-weight:400;line-height:1.1;transition:background .16s,border-color .16s,box-shadow .16s,color .16s,transform .16s;display:inline-flex}.worksheet-text-pair-match-button:not(:disabled):hover,.worksheet-text-pair-match-button:not(:disabled):focus-visible{background:#d7f4fb;border-color:#1597c9;outline:none;box-shadow:0 0 0 4px #1597c924}.worksheet-text-pair-match-button.is-selected{box-shadow:none;background:#0060ff0f;border-color:#0060ff}.sequencing-sentence-instruction{letter-spacing:0}.sequencing-instruction-line{white-space:nowrap;align-items:center;gap:8px;display:inline-flex}.sequencing-instruction-crayon{object-fit:contain;transform-origin:50%;width:31px;height:auto;transform:rotate(-43deg)}.sequencing-sentence-fix-activity{position:absolute}.sequencing-crayon-button{cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;padding:0;line-height:0;transition:filter .16s,opacity .16s,transform .16s;display:inline-flex;position:absolute}.sequencing-crayon-button img{object-fit:contain;pointer-events:none;width:100%;height:100%;display:block}.sequencing-crayon-button:not(:disabled):hover,.sequencing-crayon-button:not(:disabled):focus-visible{filter:drop-shadow(0 8px 14px #0077aa2e);outline:none;transform:translateY(-2px)}.sequencing-crayon-button.is-applied{filter:drop-shadow(0 8px 14px #08b84f2e);opacity:.78}.sequencing-sentence-card{box-sizing:border-box;color:#000;letter-spacing:0;text-align:center;white-space:nowrap;background:#fff;border:1px solid #8fa3b4;border-radius:26px;justify-content:center;align-items:center;padding:.42em 1.1em;font-family:Andika,sans-serif;font-weight:400;line-height:1.1;display:flex;position:absolute}.worksheet-text-pair-match-button.is-correct{border-color:var(--worksheet-success);background:var(--worksheet-success-pale);color:var(--worksheet-success-text)}.worksheet-text-pair-match-button.is-wrong{border-color:var(--worksheet-wrong);background:var(--worksheet-wrong-pale);color:var(--worksheet-wrong-text);animation:.42s ease-out worksheetWrongShake}.what-is-sentence-a2-exact{justify-content:center;align-items:center;display:flex}.sequencing-sentence-a2-exact{align-items:flex-start;transform:translateY(-34px)}@media (height<=900px){.what-is-sentence-a2-exact{transform:translateY(-76px)}}@media (height<=820px){.what-is-sentence-a2-exact{transform:translateY(-82px)}}@media (height<=740px){.what-is-sentence-a2-exact{transform:translateY(-88px)}}.what-is-sentence-a2-exact.sequencing-sentence-a2-exact{align-items:flex-start;transform:translateY(-34px)}.what-is-sentence-a2-match{--worksheet-success:#08b84f;--worksheet-success-text:#087b3a;--worksheet-success-pale:#f8fff9;--worksheet-success-glow-strong:#08b84f59;--worksheet-wrong:#c76a2a;--worksheet-wrong-text:#8c3d14;--worksheet-wrong-pale:#fff3e8;width:100%;height:100%}.what-is-sentence-a2-match .worksheet-text-pair-match-grid{grid-template-columns:minmax(230px,320px) minmax(230px,320px);align-items:stretch;gap:0 clamp(170px,16vw,300px);width:min(980px,100%);height:min(470px,100%)}.what-is-sentence-a2-match .worksheet-text-pair-match-column{grid-template-rows:repeat(5,1fr);align-items:center;gap:0;display:grid}.what-is-sentence-a2-match .worksheet-text-pair-match-button{color:#5793b7;background:#fff;border:2px solid 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