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@media(max-width:600px){.im-header{height:68px;padding:10px 12px;gap:10px}.im-brand{font-size:17px;gap:8px}.im-brand>span{width:35px;height:38px;font-size:25px}.im-course{font-size:.7rem;padding:6px 10px}.im-header>.im-course{display:none}.im-header-actions [data-im=font]{display:none}.im-header-actions .text-button{padding:4px;font-size:.7rem}.im-header-actions [data-im=quit]{margin-left:0;min-width:90px;padding:6px 10px;font-size:.85rem;min-height:38px}.im-header-actions svg{width:16px;height:16px}.im-steps{width:calc(100% - 20px);height:52px;gap:5px;justify-content:flex-start}.im-steps button{flex:none;padding:6px 13px}#im-content{width:calc(100% - 20px)}.im-panel{padding:18px 16px;border-radius:10px}.im-panel h1{font-size:24px;line-height:1.4}.im-panel h2{font-size:20px}.im-subtitle{font-size:16px;margin-bottom:16px}.im-intro-main{padding:20px 16px}.im-pills{flex-wrap:wrap}.im-pills>span{font-size:.8rem;gap:7px}.im-task-list{padding:14px}.im-task{grid-template-columns:30px 1fr;gap:10px;padding:12px 0;min-height:72px}.im-task>b{width:30px;height:30px;font-size:17px;grid-row:span 2}.im-task strong{font-size:16px}.im-task span{font-size:.8rem}.im-intro-grid .im-stack{display:flex}.im-two{grid-template-columns:1fr;gap:8px}.im-help-badge{position:static;display:inline-block;margin-bottom:10px;padding:6px 10px}.im-title{font-size:22px!important}.im-root-top{grid-template-columns:1fr;gap:12px}.im-root-tiles{gap:12px}.im-word-card h1{font-size:35px}.im-word-card .im-han{font-size:26px!important}.im-root-tiles .im-glyph{font-size:48px}.im-origin-grid{grid-template-columns:1fr}.im-root-checks{flex-wrap:wrap}.im-root-checks>button{min-width:130px}.im-root-check-label small{display:block;margin:4px 0}.im-pron-compare{gap:5px;grid-template-columns:1fr 20px 1fr}.im-pron-compare>div{padding:14px 8px}.im-pron-compare b{font-size:32px}.im-pron-compare>div:last-child b{font-size:27px;padding:4px 0}.im-pron-compare small{font-size:.73rem}.im-pron-compare p{font-size:.8rem}.im-pron-compare>span{font-size:24px}.im-audio-row{gap:6px}.im-audio-row select{padding:8px;font-size:.8rem}.im-audio-row .primary,.im-audio-row .secondary{padding:8px 10px;font-size:.82rem}.im-pron-bottom{grid-template-columns:1fr}.im-pron-bottom>.im-panel{padding:18px 16px}.im-navi{padding:16px}.im-navi-head{margin-bottom:15px}.im-contrast-grid>.im-panel{padding:18px 14px}.im-contrast-family{grid-template-columns:1fr}.im-contrast-family article{padding:12px;display:grid;grid-template-columns:1fr 1fr;gap:7px}.im-contrast-family article>div{grid-row:span 2}.im-contrast-family article small{grid-column:1/-1;margin-top:0}.im-contrast-family img{height:70px}.im-contrast-family .im-glyph{font-size:54px}.im-contrast-family b{font-size:16px}.im-contrast-family .im-soft{font-size:.78rem;margin:0;display:flex;align-items:center;justify-content:center}.im-contrast-family .im-art-note{margin-top:0}.im-contrast-answer{padding:13px}.im-contrast-answer h2{font-size:22px}.im-ox button{width:50%}.im-contrast-answer .im-status{display:none}.im-contrast-answer .im-audio-row small{font-size:.73rem;margin-bottom:9px}.im-three{gap:7px}.im-three span{padding:9px;font-size:.75rem}.im-expression-main{padding:20px 16px}.im-expression-main h1{margin-top:6px}.im-expression-grid{grid-template-columns:1fr;gap:16px}.im-expression-target{margin-top:0;padding:13px 17px}.im-expression-target h1{font-size:32px;margin:8px 0;justify-content:flex-start;gap:30px}.im-expression-target h2{font-size:22px}.im-expression-target small{font-size:.8rem}.im-answer-method{gap:8px}.im-answer-method .im-course{padding:9px 22px;font-size:.85rem}.im-writing{padding:10px 12px}.im-writing textarea{font-size:16px;min-height:160px}.im-draft-line{font-size:.7rem;gap:8px}.im-expression-extras button{font-size:.7rem!important;padding:8px}.im-topic{padding:12px!important}.im-topic summary{font-size:16px}.im-topic summary small{display:block;margin:6px 0 0}.im-drill-main{min-height:550px}.im-question{padding:16px;min-height:300px}.immersive-mode .question-options{grid-template-columns:1fr}.immersive-mode .question-title{font-size:21px}.immersive-mode .choice{font-size:16px}.im-review-main{padding:18px 14px}.im-review-main>h1{font-size:26px}.im-review-grid{margin-top:18px}.im-review-grid h2{font-size:23px}.im-evidence-item{gap:12px;padding:12px}.im-evidence-item h3{font-size:16px}.im-evidence-item p{font-size:.8rem}.im-table-wrap th,.im-table-wrap td{padding:10px;font-size:.85rem}.im-rubric-dimensions{flex-wrap:wrap}.im-rubric-dimensions>span{min-width:90px}.im-footer{padding:9px 10px;gap:8px;min-height:65px}.im-footer>div{gap:6px}.im-footer .secondary{font-size:.72rem!important;min-width:0!important;padding:8px}.im-footer>.primary{font-size:.75rem!important;min-width:100px;padding:8px;max-width:155px}.immersive-mode #main{padding-bottom:80px!important}.im-footer .secondary:first-child{min-width:52px!important}}
/* Comparison pass 2: match the source's compact vertical rhythm at 941 px. */
@media(min-width:1201px) and (max-height:990px){.im-intro-main .im-subtitle{margin-bottom:12px}.im-intro-main .im-pills{margin:16px 0 18px}.im-intro-main .im-task-list{padding-top:16px;padding-bottom:16px}.im-task{min-height:70px}.im-root-top{margin-top:12px;margin-bottom:12px}.im-word-card{padding:14px 24px}.im-root-tiles .im-glyph{margin:8px 0}.im-role{margin-top:10px}.im-origin-grid>section{padding-top:10px;padding-bottom:10px}.im-origin-grid p{font-size:.87rem;line-height:1.5}.im-components{min-height:106px}.im-root-check-label{margin-top:10px}.im-root-checks>button{min-height:40px}.im-root-main .im-subtitle{margin-bottom:14px}.im-navi{min-height:720px}.im-expression-main{min-height:716px}.im-review-main{min-height:720px}}
/* Measured source alignment: header text, glyph cards and collapsible tools. */
.im-eyebrow{margin-bottom:4px}.im-guided-grid>.im-stack>.im-panel:first-child{padding:18px 36px 12px}.im-pron-compare b{font-size:60px}.im-pron-compare>div:last-child b{font-size:44px}.im-pron-compare>div{padding:10px 20px}.im-pron-bottom input:disabled{opacity:1;background:#fff;color:#8c96a4}.immersive-mode [data-action=record-stop]:disabled{display:none}.im-pron-bottom>.im-panel{min-height:230px}.im-pron-bottom .im-note{margin:4px 0 8px}.im-pron-bottom [data-im=audio-uncertain]{margin-top:6px;font-size:.84rem}.im-root-main .im-origin-grid>section:first-child>p{max-height:42px;overflow:auto}.im-root-main .im-root-top{grid-template-columns:1fr 1.18fr}.im-root-main .im-root-tiles{padding-left:4%;padding-right:8%}.im-root-main .im-components{min-height:116px}.im-root-main .im-components>div{min-width:60px}.im-root-main .im-components .im-source-placeholder{min-height:116px}.im-root-main .im-word-card h1{font-size:44px}.im-root-main .im-word-card h2{margin-bottom:10px}.im-root-main .im-root-tiles .im-glyph{font-size:50px}.im-root-main .im-role{margin-top:8px;padding:7px}.im-root-main .im-origin-grid .im-han{font-size:34px}.im-panel .im-subtitle{margin-bottom:12px}.im-steps button{flex:0 0 auto;min-width:110px}.im-steps{max-width:1370px;gap:24px}.im-steps button.current{min-width:128px}.im-guided-grid>.im-root-main{margin-left:50px}.im-footer{min-height:69px}
@media(max-width:1200px){.im-guided-grid>.im-root-main{margin-left:0}.im-steps{gap:6px}.im-steps button{min-width:0}.im-steps button.current{min-width:0}.im-guided-grid>.im-stack>.im-panel:first-child{padding:18px 24px}.im-root-main .im-root-tiles{padding:0}.im-root-main .im-root-top{grid-template-columns:1fr 1.1fr}}
@media(max-width:600px){.im-guided-grid>.im-stack>.im-panel:first-child{padding:18px 16px}.im-pron-compare b{font-size:34px}.im-pron-compare>div:last-child b{font-size:27px}.im-pron-compare>div{padding:10px 8px}.im-root-main .im-root-top{grid-template-columns:1fr}.im-steps{gap:5px}.im-steps button{font-size:.76rem}.im-steps button.current{min-width:0}.im-root-main .im-word-card h1{font-size:35px}.im-root-main .im-root-tiles .im-glyph{font-size:48px}.im-pron-bottom>.im-panel{min-height:0}}
@media(min-width:1201px){.im-expression-main{max-width:1502px}.im-expression-main h1{margin-top:12px}.im-expression-instructions{margin-bottom:8px}.im-writing textarea{height:132px;min-height:132px}.im-answer-method{margin-bottom:12px}.im-contrast-family{row-gap:8px}.im-contrast-family article{padding:8px 15px}.im-contrast-family b{margin:0;font-size:18px}.im-contrast-family img{height:84px}.im-contrast-family .im-soft{margin-top:4px;padding:6px 10px;min-height:30px}.im-contrast-family small{margin-top:4px}.im-contrast-grid .im-subtitle{margin-bottom:6px}.im-contrast-answer{padding:12px 18px}.im-contrast-answer h2{margin:10px 0 14px}.im-contrast-answer .im-audio-row{margin-bottom:10px}.im-contrast-answer textarea{height:60px;min-height:60px}.im-contrast-answer .im-ox{margin-bottom:12px}.im-contrast-grid .im-stack>.im-panel:first-child .im-soft{margin-top:10px;padding:12px 18px}.im-contrast-grid .im-stack>.im-panel:first-child h2{font-size:22px}.im-navi{min-height:720px}}
@media(min-width:1201px) and (max-height:990px){.im-review-main>h1{margin-top:16px}.im-review-grid{margin-top:18px}.im-review-grid h2{margin:4px 0 10px}.im-review-grid>.im-panel>.im-soft{padding:6px 10px;margin-top:10px;font-size:.86rem}.im-table-wrap th{padding:10px 20px}.im-table-wrap td{padding:10px 20px}.im-evidence-item{padding:14px}.im-review-bottom>.im-panel{padding-top:12px;padding-bottom:12px}.im-review-bottom .im-rubric-dimensions{margin-top:8px}.im-review-bottom .im-rubric-dimensions>span{padding:8px 12px}.im-review-main{padding-bottom:14px}}
@media(min-width:1201px){.im-steps{max-width:1450px}.im-contrast-family{grid-template-columns:87px repeat(3,minmax(0,1fr));padding:16px 18px;gap:18px;row-gap:8px}.im-contrast-family .im-glyph{font-size:58px;line-height:1.15}.im-contrast-family img{height:90px}.im-contrast-family .im-soft{font-size:16px}.im-contrast-family small{font-size:13px}.im-contrast-answer .im-course{background:var(--im-green);color:#fff;border-radius:6px}.im-legend span{font-size:13px}.im-legend span:nth-child(2){background:#e9f0fa;color:#3b6693}.im-legend span:nth-child(3){background:#f5eeee;color:#795b53}.im-legend span:nth-child(4){background:#f1f2f4;color:#6d7480}.im-contrast-grid .im-stack>[class]>.im-soft p{font-size:14px}.im-contrast-grid [data-im=contrast-question]{width:100%}}