.practice-filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 12px;background:#edf4e8;border:1px solid #d8e4d6;border-radius:10px;margin-bottom:12px}.practice-filter-row label{display:flex;align-items:center;gap:7px;font-size:12px;color:#536e61}.practice-filter-row select{max-width:230px;padding:8px 9px;background:#fff;border:1px solid #cbdcc9;border-radius:7px;color:#315648}.practice-stats{font-size:11px;color:#657d6e;margin-left:auto}.practice-coach{border-top:1px solid #dde7d9;padding-top:12px;margin-top:12px}.practice-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}.practice-caption>span:last-child{font-size:11px;color:#7b8c7c}.practice-hint{background:#edf4e8;border-radius:8px;padding:8px 12px;margin-top:8px}.practice-hint p{display:flex;gap:9px;margin:6px 0;font-size:12px}.practice-hint b{color:#357560}.practice-boundary{margin-top:9px;padding:9px;background:#f9f0df;border-radius:7px;font-size:12px;line-height:1.6}.practice-boundary b{margin-right:9px}.practice-tier{margin-left:5px}.practice-screen{height:100vh;height:100dvh;overflow:hidden}.practice-screen .sidebar{width:74px;padding:14px 7px;align-items:center}.practice-screen .brand{font-size:0;gap:0}.practice-screen .brand>span:last-child,.practice-screen .side-label,.practice-screen .route,.practice-screen .side-bottom{display:none}.practice-screen .sidebar nav{margin-top:20px;width:100%}.practice-screen .sidebar .nav{font-size:0;justify-content:center;padding:11px 5px;gap:0}.practice-screen .sidebar .nav span{font-size:23px}.practice-screen .sidebar .nav b{display:none}.practice-screen .workspace{height:100%;margin-left:74px;display:flex;flex-direction:column;min-width:0}.practice-screen .workspace>header{height:42px;min-height:42px;padding:0 18px}.practice-screen main{flex:1;min-height:0;display:flex;flex-direction:column;padding:8px 14px 12px}.practice-screen .intro,.practice-screen .curriculum-note,.practice-screen .chapter-summary,.practice-screen footer,.practice-screen .feature-note,.practice-screen .search{display:none}.practice-screen #curriculumBar{flex:none}.practice-screen .catalog-bar{margin:0;gap:10px}.practice-screen .chapter-tabs{margin:6px 0 8px;gap:20px}.practice-screen .chapter-tabs button{padding:7px 0}.practice-screen #questions{flex:1;min-height:0;display:flex;flex-direction:column}.practice-screen .study-switch{margin:0 0 6px;padding:4px 0;flex:none}.practice-screen #questionPractice{flex:1;min-height:0;display:flex;flex-direction:column}.practice-screen .question-banner{padding:7px 10px;margin-bottom:6px;background:none;border:none;box-shadow:none;align-items:center;display:flex;justify-content:space-between}.practice-screen .question-banner .pill,.practice-screen .question-banner p{display:none}.practice-screen .question-banner h2{font-size:17px;margin:0}.practice-screen .question-banner button{padding:8px 12px;font-size:12px}.practice-screen .practice-filter-row{margin-bottom:7px;padding:6px 10px;gap:9px}.practice-screen .practice-filter-row select{padding:6px 7px}.practice-screen .question-layout{flex:1;min-height:0;display:grid;grid-template-columns:260px minmax(0,1fr);gap:12px}.practice-screen .question-list{overflow:auto;min-height:0;display:block;padding-right:3px}.practice-screen .question-item{padding:10px;margin-bottom:7px}.practice-screen .question-item h3{font-size:12px;margin:7px 0}.practice-screen .question-item .pill{font-size:9px}.practice-screen .question-detail{min-height:0;overflow:auto;padding:16px 20px}.practice-screen .question-detail h2{font-size:19px;margin:8px 0}.practice-screen .question-detail p{font-size:13px;line-height:1.6;margin:9px 0}.practice-screen .options{gap:7px;margin:10px 0}.practice-screen .option{padding:10px;font-size:12px;line-height:1.5}.practice-screen .question-actions{margin:8px 0;gap:8px}.practice-screen .question-actions button{padding:9px 12px;font-size:12px}.practice-screen .q-model-preview{display:none}.practice-screen .answer-box{padding:11px 14px;margin:9px 0}.practice-screen .answer-box h3{font-size:14px;margin:0 0 5px}.practice-screen .chapter-navigation{margin-top:7px;padding:5px 0;flex:none;font-size:11px}.practice-screen .chapter-navigation button{font-size:11px;padding:7px 10px}.practice-screen .practice-coach{margin-top:8px;padding-top:8px}.practice-screen .study-switch small{font-size:11px}
@media(max-width:850px){.practice-screen .question-layout{grid-template-columns:210px minmax(0,1fr)}.practice-screen .practice-stats{display:none}.practice-screen .practice-filter-row select{max-width:155px}.practice-screen .question-detail{padding:12px}.practice-screen .study-switch small{display:none}}
@media(max-width:600px){.practice-screen .sidebar{display:none}.practice-screen .workspace{margin-left:0}.practice-screen main{padding:5px 7px 8px}.practice-screen .question-layout{grid-template-columns:115px minmax(0,1fr);gap:6px}.practice-screen .question-item{padding:7px}.practice-screen .question-item h3{font-size:10px}.practice-screen .question-item small,.practice-screen .question-item .pill{display:none}.practice-screen .practice-filter-row{gap:5px}.practice-screen .practice-filter-row label{font-size:0}.practice-screen .practice-filter-row select{font-size:10px;max-width:126px}.practice-screen #practiceSourcesButton{font-size:10px}.practice-screen .question-detail h2{font-size:16px}.practice-screen .question-detail p{font-size:12px}.practice-screen .options{grid-template-columns:1fr}.practice-screen .practice-caption{display:block}.practice-screen .practice-caption>span:last-child{display:block;margin-top:4px}.practice-screen .question-actions{flex-wrap:wrap}.practice-screen .question-banner h2{font-size:14px}.practice-screen .catalog-bar{gap:5px}.practice-screen .catalog-bar select{max-width:125px}.practice-screen .catalog-bar .select-wrap{font-size:0}.practice-screen .chapter-tabs{gap:13px}.practice-screen .chapter-tabs button{font-size:10px}}

.practice-screen main{width:100%;max-width:none;margin:0}.practice-screen .question-layout{margin-top:0}

.practice-screen .question-item{width:100%;text-align:left}