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p{font-size:13px;color:#70806b;line-height:1.8}.nl-small{font-size:10px;color:#8b9583;line-height:1.8;margin-top:20px}.nl-prompts{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.nl-prompts button{border:1px solid #dce5d4;background:#f6f9f1;border-radius:100px;padding:10px 13px;font-size:10px;color:var(--nl-green)}.nl-prompts button:hover{background:#e8f2df}.nl-chat{background:#f9faf6;border:1px solid var(--nl-line);border-radius:13px;min-height:150px;max-height:370px;overflow:auto;padding:16px;margin:20px 0}.nl-chat-intro{font-size:12px;color:#6f8068;line-height:1.8;margin:0}.nl-chat-message{font-size:12px;line-height:1.85;white-space:pre-wrap;margin:12px 0;padding:13px;border-radius:10px;background:#ecf3e5}.nl-chat-message.is-user{background:#fff;border:1px solid #e4e9dd;margin-left:25px}.nl-chat-message strong{display:block;font-size:9px;letter-spacing:.6px;margin-bottom:5px}.nl-chat-compose{display:flex;gap:8px}.nl-chat-compose input{flex:1;min-width:0;border:1px solid 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@media(min-width:1500px){.nl-model{padding-top:40px}.nl-topic-list{max-height:550px}.nl-lesson-head{padding-top:34px}.nl-panel{padding-top:29px}}
@media(max-width:980px){.nl-model{padding:22px 22px 55px}.nl-layout{grid-template-columns:230px minmax(0,1fr);gap:17px}.nl-sidebar{padding:18px 12px}.nl-lesson-head,.nl-panel{padding-left:24px;padding-right:24px}.nl-tabs{padding:7px}.nl-tabs button{font-size:11px;padding:12px 5px}.nl-tabs button span{margin-right:2px}.nl-key-idea{display:block}.nl-idea-pills{display:flex;margin-top:15px}.nl-idea-pills>span{min-width:0}.nl-footer-note{padding-left:24px;padding-right:24px}}
@media(max-width:720px){.nl-model{padding:18px 15px 40px}.nl-breadcrumb{font-size:10px;margin-bottom:23px;gap:8px}.nl-heading{margin-bottom:23px;gap:15px}.nl-heading h1{letter-spacing:-1.1px;font-size:30px}.nl-heading h1 span{font-size:25px}.nl-heading p{font-size:12px;max-width:250px;line-height:1.7}.nl-kicker{font-size:8px;letter-spacing:1.2px}.nl-class{padding:10px 12px;font-size:8px}.nl-class strong{font-size:24px}.nl-layout{display:flex;flex-direction:column;gap:18px}.nl-sidebar{width:100%;position:static;padding:15px 17px}.nl-sidebar-title{padding:0 0 12px}.nl-sidebar label,.nl-sidebar select,.nl-sidebar input{display:none}.nl-topic-list{display:flex;gap:7px;max-height:95px;overflow:auto}.nl-topic{flex:0 0 225px;padding:10px;margin:0}.nl-topic strong{font-size:10px}.nl-topic small{font-size:9px}.nl-side-note{font-size:9px;padding-top:9px;margin-top:10px}.nl-workspace{width:100%;border-radius:15px}.nl-lesson-head,.nl-panel{padding:22px}.nl-lesson-head h2{font-size:27px}.nl-meta{gap:7px;font-size:9px}.nl-meta span+span:before{margin-right:7px}.nl-tabs button{font-size:10px;padding:11px 4px}.nl-tabs button span{font-size:12px}.nl-chapter h3{font-size:21px}.nl-chapter>p{font-size:14px;line-height:1.85}.nl-chapter-actions .nl-secondary,.nl-chapter-actions .nl-primary{font-size:10px!important;padding:10px}.nl-objectives{padding:12px 14px}.nl-footer-note{padding:14px 22px;font-size:9px}.nl-glossary dl{grid-template-columns:1fr}.nl-glossary summary>span{display:none}.nl-exercise{padding:18px}.nl-exercise-actions{display:grid}.nl-quiz-header{align-items:flex-start}.nl-quiz-header h3{font-size:21px;max-width:170px}.nl-chat-compose{flex-wrap:wrap}.nl-chat-compose input{width:100%;flex-basis:100%}.nl-chat-compose button{margin-left:auto}.nl-heading>div{min-width:0}}
@media(prefers-reduced-motion:reduce){.nl-model *{scroll-behavior:auto;transition:none!important}}