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.icon{width:28px;height:28px}.upload-zone strong{color:#6178b9}.upload-zone>span{font-size:10px}.upload-zone input{max-width:100%;font-size:11px;margin-top:5px}.preview-actions{display:flex;align-items:center;gap:15px;margin-bottom:15px}.preview-actions .muted{font-size:11px;overflow-wrap:anywhere}#file-preview iframe{width:100%;height:380px;border:1px solid var(--line);border-radius:10px;margin:0 0 15px}.grant-tree{border:1px solid var(--line);border-radius:10px;padding:12px;max-height:360px;overflow:auto}.grant-branch{padding:8px 0 8px 12px;border-left:1px solid #e7ecf7}.grant-branch>summary{font-size:13px;color:#66799b;cursor:pointer}.grant-branch>div:last-child{padding-left:12px}.grant-branch .check-row{font-size:12px}.bulk-actions{display:flex;gap:12px;padding:6px 0}.text-btn{border:0;background:none;color:#879bd1;padding:4px 0;font-size:10px}.text-btn:hover{color:var(--blue)}form>h3{font-size:16px;margin-top:22px}.group-choices{border:1px solid 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dd:last-child{margin-bottom:0}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:#344363;color:white;padding:14px 23px;border-radius:11px;font-size:13px;box-shadow:0 10px 35px #26395430;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;max-width:calc(100vw - 30px)}#toast.visible{opacity:1;transform:translate(-50%,0)}#toast.error{background:#a44456}.loading{max-width:650px;margin:100px auto;padding:30px;text-align:center;color:#7d8da7}
@media(min-width:1550px){.workspace-content{padding-top:50px}.library-banner{min-height:230px}.course-card{min-height:250px}}
@media(max-width:1150px){.landing{padding:0 5%}.hero{gap:20px}.hero h1{font-size:47px}.orb-one{width:290px;height:290px}.float-label{right:0;font-size:10px}.features{gap:22px}.sidebar{width:220px;padding:26px 15px 18px}.workspace-main{margin-left:220px}.workspace-content{padding:30px 25px}.workspace-header{padding:0 25px}.workspace-footer{margin:0 25px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-heading h1{font-size:28px}.page-heading>.btn{font-size:12px}.login-main{gap:35px}.login-story h1{font-size:40px}}
@media(max-width:800px){.public-header{height:88px}.hero{grid-template-columns:1fr;padding:55px 0;gap:45px}.hero-copy{text-align:center}.hero-note{justify-content:center}.hero-art{max-width:480px;width:100%;margin:auto}.orb-one{width:360px;height:360px}.features{grid-template-columns:repeat(3,1fr);padding-top:35px}.section-intro{grid-column:1/-1;text-align:center}.section-intro h2 br{display:none}.start-strip{padding:26px}.start-strip h2{font-size:19px}.public-footer>span:nth-child(2){display:none}.login-main{grid-template-columns:1fr;gap:30px;padding:35px 0;max-width:420px;min-height:0}.login-story{text-align:center}.login-story h1{font-size:35px}.login-story>p,.login-decoration{display:none}.login-story h1 br{display:none}.login-story h1{margin:13px 0}.sidebar{position:static;width:100%;padding:16px 20px;border-right:0;border-bottom:1px solid var(--line);display:block}.sidebar>.brand{padding:0;font-size:15px}.sidebar .brand-mark{width:35px;height:36px}.sidebar .brand-sub{font-size:12px}.sidebar>.nav-label,.sidebar nav .nav-label,.mini-note{display:none}.sidebar nav{display:flex;gap:5px;margin-top:14px;overflow:auto}.nav-item{white-space:nowrap;padding:10px;font-size:11px;gap:7px}.nav-item .icon{width:16px;height:16px}.sidebar-bottom{position:absolute;top:10px;right:20px;padding:0}.profile{border:0;padding:10px 0}.profile>div{display:none}.profile .avatar{display:none}.workspace{display:block}.workspace-main{margin-left:0}.workspace-header{height:50px;font-size:10px}.private-pill{display:none}.workspace-content{padding:25px 20px}.page-heading{align-items:flex-start;flex-wrap:wrap;gap:15px}.page-heading h1{font-size:27px}.page-heading p{font-size:12px}.page-heading>.btn{padding:11px 15px}.library-banner{padding:26px;min-height:185px}.library-banner h2{font-size:23px}.banner-art{margin-right:15px;padding:15px}.banner-art>.icon{width:55px;height:55px}.list-toolbar h2{font-size:17px}.search-box input{width:140px}.reader iframe{min-height:550px;height:70vh}.workspace-footer{margin:0 20px}}
@media(max-width:480px){.landing,.login-page{padding:0 6%}.public-header nav{gap:15px}.public-header nav>a:not(.btn){display:none}.hero h1{font-size:40px}.hero-copy>p{font-size:14px}.hero-copy .hero-detail{font-size:12px}.hero-art{padding-left:0}.art-body{padding:23px}.orb-one{width:260px;height:260px;left:10px}.orb-two{right:0;width:170px;height:170px}.float-label{font-size:9px;padding:12px}.features{grid-template-columns:1fr;gap:20px}.section-intro{text-align:left}.features article{position:relative;padding-left:60px}.features article>.icon{position:absolute;left:0;top:0}.features article p{max-width:none}.start-strip{flex-direction:column;align-items:flex-start}.public-footer{font-size:9px}.brand{font-size:15px}.brand-mark{width:36px;height:38px}.brand-sub{font-size:12px}.login-card{padding:27px}.login-story h1{font-size:30px}.catalog-grid{grid-template-columns:1fr}.list-toolbar{align-items:stretch;flex-direction:column;gap:13px}.search-box input{width:100%;font-size:12px}.library-banner{padding:24px}.library-banner h2{font-size:22px}.banner-art{display:none}.count-pill{font-size:10px}.course-card{padding:22px}.card-top{margin-bottom:18px}.nav-item{font-size:10px;padding:9px 7px}.nav-item .icon{width:14px;height:14px}.stat-row{gap:7px}.stat-row>div{padding:12px 8px;font-size:10px}.stat-row strong{display:block;font-size:21px;margin:0 0 4px}.tree-row{gap:9px;padding:14px 12px}.depth-1{padding-left:22px}.depth-2{padding-left:32px}.depth-3{padding-left:42px}.tree-title strong{font-size:12px}.tree-icon .icon{width:16px;height:16px}.row-actions{gap:0}.form-grid{grid-template-columns:1fr;gap:0}dialog{padding:22px}.modal-head h2{font-size:20px}.modal-footer .btn{font-size:12px;padding:12px}.page-heading h1{overflow-wrap:anywhere}.preview-actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;transform:none!important}}