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var(--line);padding-bottom:18px;margin-bottom:24px}.step-nav button{border:0;background:transparent;padding:8px;color:var(--muted);font-size:12px}.step-nav button.active{color:var(--blue);border-bottom:2px solid var(--blue)}dialog{border:1px solid var(--line);border-radius:8px;padding:28px;max-width:420px;width:calc(100% - 40px);background:var(--surface);color:var(--ink)}dialog::backdrop{background:#101b2666}dialog h2{font-size:22px}.toast{position:fixed;bottom:24px;right:24px;background:var(--ink);color:var(--surface);padding:12px 20px;border-radius:6px;z-index:100;max-width:calc(100% - 48px)}.ad-slot{padding:24px;text-align:center;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}.auth-container{width:min(100% - 40px,440px);margin:60px auto}.auth-container .card{padding:32px}.auth-container 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@media(max-width:1200px){.top-nav{gap:15px}.top-inner{gap:16px}.brand img{width:116px}.brand strong{font-size:13px}.workspace{padding:28px 24px}.shell{grid-template-columns:190px minmax(0,1fr)}.reader{grid-template-columns:180px minmax(0,1fr)}.reader-notes{grid-column:2}.kpi{padding:18px 14px}.dashboard-main{grid-template-columns:minmax(0,1fr)}}
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@media(min-width:901px){.admin-mobile{display:none}}
.top .brand img{width:230px;height:54px;object-fit:contain}.brand strong{display:none}
@media(min-width:901px) and (max-width:1200px){.top-nav{gap:12px}.top-inner{gap:12px}.top-tools{gap:6px}.top-tools .btn.small{padding-inline:8px}.top .brand img{width:200px;height:47px}}
@media(max-width:600px){.top .brand img{width:180px;height:42px}.top-tools .btn.small{padding-inline:9px}}
.grid>*{min-width:0}.chart-col span{flex-shrink:0}.dense-chart .chart-col span{width:10px;height:38px;font-size:8px;overflow:hidden}.dense-chart .chart-bar{max-height:125px}
@media(max-width:600px){.wrap{width:calc(100% - 32px)}.top{height:66px}.top-inner{gap:8px}.brand{gap:8px}.brand img{width:106px}.brand strong{padding-left:8px;font-size:12px}.top-tools{gap:2px}.top-tools .guest-link{display:none}.icon-btn{width:34px;height:38px}.avatar{width:32px;height:32px;font-size:12px}.workspace{padding:24px 16px}.page-head{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:20px}h1{font-size:26px}.cols-2,.cols-3{grid-template-columns:1fr}.grid{gap:16px}.kpis{gap:0}.kpi strong{font-size:26px}.kpi .caption{font-size:11px}.kpi,.kpi:first-child{padding:18px 14px}.card{padding:20px}.hero{padding:46px 0}.hero h1{font-size:34px}.hero .lead{font-size:16px}.hero .actions .btn{font-size:12px;padding:10px 13px}.feature-band{padding:32px 0}.feature-band .grid{gap:28px}.footer .wrap{flex-direction:column;gap:8px}.readiness{gap:16px}.score-ring{width:112px;height:112px}.score-ring>div{width:94px;height:94px}.score-ring strong{font-size:28px}.readiness h3{font-size:14px}.chart{gap:8px;height:150px}.table td,.table th{padding:10px;font-size:11px}.attempt-layout{grid-template-columns:1fr;gap:16px}.question-panel{min-height:390px}.question-text{font-size:18px}.question-map{grid-template-columns:repeat(10,minmax(0,1fr));gap:4px}.question-map button{font-size:10px}.question-controls .btn{font-size:12px;padding:9px 12px}.reader{grid-template-columns:1fr}.reader-toc{max-height:180px}.reader-notes{grid-column:auto}.reader-content .card{padding:18px}.article-body{font-size:15px}.filters>div{min-width:calc(50% - 12px)}.dense-chart{gap:2px}.chart-col span{font-size:10px}.toast{bottom:80px;right:16px;max-width:calc(100% - 32px)}.auth-container{margin:32px auto}.auth-container .card{padding:24px}.tag-line{gap:5px}.row-item{gap:8px}.row-item .btn{padding:8px 10px;font-size:11px}.row-title{gap:9px}.row-title h3{font-size:14px}.row-title small{font-size:11px}.exam-mode{padding-bottom:0}.exam-mode .workspace{padding-bottom:24px}.question-controls{flex-wrap:wrap}.admin-mobile{padding:10px 16px}.form .grid{gap:0}.editor-layout{gap:18px}}