@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--bg:#f6f5f1;--ink:#252b29;--muted:#858984;--green:#326d59;--border:#e6e7e0;--white:#fff;--font:'DM Sans',system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px}button,input,textarea,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible{outline:3px solid #9bc5ab;outline-offset:3px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:#fcfcf9;border-right:1px solid var(--border);padding:34px 23px;display:flex;flex-direction:column;z-index:2}.brand{display:flex;align-items:center;gap:11px;font-family:Manrope,var(--font);font-weight:800;font-size:34px;letter-spacing:-2px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--green);color:#fff;border-radius:11px;font-size:28px;padding-bottom:4px;letter-spacing:-2px}.brand-dot{color:var(--green)}.workspace{margin:36px 0 32px;display:flex;gap:11px;align-items:center;padding:13px 10px;border:1px solid var(--border);border-radius:10px;font-size:12px;font-weight:600}.workspace small{display:block;color:var(--muted);font-weight:400;font-size:10px;margin-top:3px}.workspace-arrow{margin-left:auto;color:#8e928c}.avatar{display:grid;place-items:center;width:33px;height:33px;border-radius:50%;background:#e6e8dc;font-size:10px;color:#58604b;font-weight:700}.small{width:31px;height:31px}.nav-label{font-size:9px;letter-spacing:1.8px;color:#9b9e97;font-weight:700;margin:0 11px 12px}.nav{width:100%;border:0;background:transparent;display:flex;align-items:center;gap:12px;text-align:left;color:#797f78;font-size:12px;padding:13px 11px;border-radius:7px;margin-bottom:4px}.nav>span{font-size:19px;width:20px;text-align:center}.nav b{margin-left:auto;font-size:10px;background:#dce7de;padding:3px 6px;border-radius:4px}.nav.active{background:#e8eee6;color:#38674e;font-weight:600}.source-label{margin-top:33px}.drive-icon{color:#b39b48}.telegram-icon{color:#6396b1}.sidebar-bottom{margin-top:auto;padding:30px 10px 0}.little-icon{color:var(--green);font-size:26px;margin-bottom:12px}.sidebar-bottom strong{font-size:12px}.sidebar-bottom p{font-size:11px;color:#93998f;line-height:1.7}.local-status{display:flex;align-items:center;gap:7px;margin-top:30px;font-size:9px;color:#858c81}.local-status i{width:6px;height:6px;background:#79a182;border-radius:50%}.app-shell{margin-left:244px}header{height:80px;padding:0 46px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#fafaf7}.breadcrumb{font-size:11px;color:#93978e}.breadcrumb span{margin:0 13px;color:#b5b8b0}.breadcrumb strong{color:#61675e;font-weight:500}.header-right{display:flex;gap:23px;align-items:center}.private-label{font-size:10px;color:#91968c}main{max-width:1420px;padding:45px 46px 0;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:25px}.eyebrow{font-size:9px;letter-spacing:1.8px;font-weight:700;color:#7c8c7a}h1,h2,h3{font-family:Manrope,var(--font)}h1{font-size:30px;letter-spacing:-1.1px;line-height:1.35;margin:10px 0 12px;font-weight:750}h1>span{color:var(--green)}.page-heading p{color:#8b9087;font-size:12px;margin:0}.button{border:1px solid #dadfd6;background:transparent;color:#586251;border-radius:7px;padding:11px 16px;font-size:11px;font-weight:600;white-space:nowrap}.button:hover{background:#edf0e8}.button.primary{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 3px 6px #326d590c}.button.primary:hover{background:#275b49}.stats{display:grid;grid-template-columns:repeat(4,1fr);margin:34px 0 35px;background:#fcfcf9;border:1px solid var(--border);border-radius:10px;padding:24px 0}.stats>div{display:flex;align-items:center;gap:14px;padding:0 24px;border-right:1px solid var(--border)}.stats>div:last-child{border:0}.stat-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:9px;background:#edf1e7;color:#71885f;font-size:21px}.purple{background:#f0edf5;color:#9181a4}.green{background:#eaf1ec;color:#6f9678}.orange{background:#f7eee2;color:#bc9a67}.stats strong{display:block;font-family:Manrope,var(--font);font-size:22px;font-weight:700;letter-spacing:-.7px}.stats div div span{font-size:9px;color:#969b90;display:block;margin-top:4px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.section-heading h2{font-size:17px;letter-spacing:-.4px;margin:0}.section-heading>span{font-size:8px;letter-spacing:1.5px;color:#a1a698}.continue-card{background:#e6eddf;border:1px solid #dbe3d2;border-radius:12px;padding:23px 28px;display:flex;align-items:center;gap:23px}.continue-art{background:#b8cbb2;width:90px;height:80px;border-radius:8px;display:grid;place-items:center;font-size:35px;color:#436750}.continue-info{flex:1}.continue-info h3{margin:6px 0;font-size:17px}.continue-info p{font-size:11px;color:#778471;margin:0}.continue-info .progress-track{max-width:270px;margin-top:15px}.library-section{margin-top:34px}.count{display:inline-block;font-family:var(--font);font-size:10px;margin-left:8px;color:#8b9384;background:#e9ece3;padding:3px 7px;border-radius:5px;vertical-align:middle}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:#fbfcf8;border-radius:6px;padding:9px 12px;min-width:220px;color:#9aa091}.search input{background:none;border:0;outline:none;width:100%;font-size:11px;color:var(--ink)}.search input::placeholder{color:#a1a599}.search:focus-within{border-color:var(--green)}.tabs{display:flex;border-bottom:1px solid var(--border);gap:28px;margin-bottom:24px}.tab{background:transparent;border:0;color:#93998d;font-size:11px;padding:0 0 13px}.tab.active{color:var(--green);border-bottom:2px solid var(--green);font-weight:600}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.course-card{background:#fff;border:1px solid var(--border);border-radius:11px;overflow:hidden;text-align:left;padding:0;transition:transform .2s,box-shadow .2s;color:var(--ink)}.course-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #3344330c}.course-cover{height:148px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--cover-bg);color:var(--cover-ink)}.cover-symbol{font-family:Manrope,var(--font);font-size:68px;font-weight:400;letter-spacing:-6px;z-index:1}.course-cover:before,.course-cover:after{content:'';position:absolute;border:1px solid currentColor;border-radius:50%;width:200px;height:200px;opacity:.15;right:-30px;top:40px}.course-cover:after{width:280px;height:280px;right:-65px;top:0}.source-badge{position:absolute;top:13px;left:13px;background:#ffffffbf;backdrop-filter:blur(4px);padding:5px 8px;border-radius:4px;font-size:8px;color:#465346;letter-spacing:.3px}.cover-bottom{position:absolute;bottom:12px;right:12px;font-size:8px;opacity:.7;letter-spacing:2px}.course-body{padding:18px 19px}.course-body h3{font-size:15px;line-height:1.5;margin:0 0 9px;letter-spacing:-.2px}.course-meta{font-size:10px;color:#9a9d94;margin-bottom:20px}.course-progress{display:flex;justify-content:space-between;font-size:9px;color:#8e9688;margin-bottom:8px}.progress-track{height:4px;background:#e9ece3;border-radius:5px;overflow:hidden}.progress-track i{display:block;height:100%;background:#70936b;border-radius:5px}.course-bottom{display:flex;justify-content:space-between;border-top:1px solid #f0f1ea;margin-top:16px;padding-top:13px;font-size:9px;color:#8c9585}.course-bottom b{color:var(--green);font-weight:500}.empty-state{grid-column:1/-1;border:1px dashed #ced8c7;border-radius:12px;background:#eef1e7;min-height:275px;display:grid;place-items:center;text-align:center;padding:35px}.empty-art{display:inline-flex;gap:9px;margin-bottom:10px}.empty-art span{width:45px;height:55px;border-radius:7px;background:#dce4d3;display:grid;place-items:center;color:#7d9470;font-size:24px;transform:rotate(-10deg)}.empty-art span+span{background:#dce4e6;transform:rotate(8deg);color:#6c8994;margin-top:8px}.empty-state h3{font-size:19px;margin:8px 0}.empty-state p{font-size:12px;color:#88917f;max-width:390px;line-height:1.8;margin:0 auto 20px}.empty-state small{display:block;font-size:10px;margin-top:13px;color:#979f8e}.footer{border-top:1px solid var(--border);margin-top:46px;padding:22px 0;display:flex;justify-content:space-between;font-size:9px;color:#9a9f93}.footer span{font-family:Manrope;font-weight:800;color:#a1aa98;font-size:14px}.back{border:0;background:none;color:#7d8a75;padding:0;font-size:11px;margin-bottom:20px}.player-heading{display:flex;align-items:center;gap:12px;margin-bottom:25px}.player-heading>div{flex:1}.player-heading h1{margin-bottom:0}.danger{color:#a56456}.classroom{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px}.video-container{background:#171e1b;aspect-ratio:16/9;border-radius:10px;overflow:hidden;display:grid;place-items:center}.video-container video,.video-container iframe{width:100%;height:100%;border:0}.video-fallback{color:#d8dfd5;padding:30px;text-align:center;line-height:1.8}.video-fallback a{display:block;color:#a7c5b2;text-decoration:underline;margin-top:12px}.lesson-heading{display:flex;align-items:center;justify-content:space-between;margin-top:23px;gap:15px}.lesson-heading h2{font-size:19px;line-height:1.5;margin:5px 0}.hint{font-size:11px;color:#8a9381;line-height:1.8}.lesson-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;border-bottom:1px solid var(--border)}.speed-label{font-size:11px;color:#86927c}.speed-label select{margin-left:6px}.notes{margin-top:24px}.notes h3{font-size:14px}.notes textarea{width:100%;height:130px;background:#fcfcf9}.notes>div{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.notes-status,#notes-status{font-size:10px;color:#8d9883}.curriculum{border:1px solid var(--border);border-radius:10px;align-self:start;background:#fcfcf9;overflow:hidden}.curriculum-header{padding:20px}.curriculum h3{font-size:13px;margin:0 0 9px}.curriculum-header>span{font-size:10px;color:#8d9783}.curriculum-header .progress-track{margin-top:12px}.module-title{font-size:10px;background:#f0f2e9;padding:12px 18px;font-weight:600;line-height:1.6}.lesson-item{display:flex;gap:10px;text-align:left;width:100%;padding:15px 17px;background:none;border:0;border-bottom:1px solid #edefe6;color:#7e8972;font-size:11px;line-height:1.6}.lesson-item.active{background:#e6eee0;color:#386b50}.lesson-item .lesson-number{border:1px solid #cdd6c5;flex-shrink:0;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:9px}.lesson-item small{display:block;color:#98a38c;font-size:9px}dialog{width:600px;max-width:calc(100% - 30px);border:1px solid var(--border);border-radius:15px;padding:30px;color:var(--ink);background:#fcfcf9;box-shadow:0 30px 80px #13221830}dialog::backdrop{background:#17221b66;backdrop-filter:blur(3px)}.modal-heading{display:flex;align-items:start;justify-content:space-between;gap:10px}.modal-heading h2{font-size:21px;letter-spacing:-.6px;margin:8px 0}.close{background:none;border:0;color:#8e9685;font-size:27px;padding:0 2px}.source-picker{display:flex;gap:10px;margin:22px 0}.source-option{flex:1;display:flex;flex-direction:column;gap:7px;align-items:center;border:1px solid var(--border);background:#fff;padding:15px 8px;border-radius:8px;color:#89937d;font-size:21px}.source-option span{font-size:10px}.source-option.active{background:#e9efe3;border-color:#95b08a;color:var(--green)}label{display:block;font-size:11px;color:#646f5a;font-weight:500}label input,label textarea{display:block;width:100%;margin-top:8px;margin-bottom:18px}input,textarea,select{border:1px solid #dce1d3;border-radius:6px;padding:12px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:#719565}textarea{resize:vertical;line-height:1.7;font-size:12px}label small{font-weight:400;color:#9aA28f;margin-left:6px}.info-box{background:#edf1e7;border-radius:8px;padding:15px;font-size:11px;color:#708265;line-height:1.8}.info-box p{margin-bottom:0;font-size:11px}code{font-size:10px;background:#e7eadf;padding:2px 4px;border-radius:3px}.modal-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:20px;margin-top:20px}.modal-footer>span{font-size:10px;color:#9da591}.error{color:#ad6150;font-size:12px;line-height:1.7}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:13px 22px;background:#2f4938;color:#fff;z-index:10;border-radius:8px;font-size:12px;box-shadow:0 5px 20px #17291b30;max-width:90%}@media(min-width:1500px){.course-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1150px){.sidebar{width:215px;padding:30px 16px}.app-shell{margin-left:215px}header{padding:0 28px}main{padding:30px 28px 0}h1{font-size:25px}.stats>div{padding:0 15px;gap:8px}.stats div div span{font-size:8px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.classroom{grid-template-columns:minmax(0,1fr) 240px}.page-heading{align-items:start}}@media(max-width:800px){.sidebar{position:static;width:100%;padding:15px 20px;display:block;border-bottom:1px solid var(--border)}.brand{font-size:28px}.brand-mark{width:30px;height:30px;font-size:23px}.sidebar .workspace,.sidebar .nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;margin-top:12px;gap:4px}.sidebar nav+nav{display:none}.nav{width:auto;font-size:10px;padding:8px 10px;margin:0}.nav>span{font-size:15px;width:auto}.app-shell{margin:0}header{height:54px;padding:0 20px}.private-label{display:none}main{padding:26px 20px 0}.page-heading{display:block}.page-heading>.button{margin-top:20px}h1{font-size:26px}.stats{grid-template-columns:1fr 1fr;row-gap:22px;padding:20px 0;margin-top:25px}.stats>div:nth-child(2){border:0}.stats div div span{font-size:9px}.stats strong{font-size:23px}.stats>div{padding:0 20px;gap:13px}.section-heading{flex-wrap:wrap}.search{min-width:180px}.classroom{display:block}.curriculum{margin-top:25px}.player-heading{flex-wrap:wrap}.player-heading>div{flex-basis:100%}.continue-card{padding:20px;gap:15px;flex-wrap:wrap}.continue-art{width:55px;height:65px;font-size:26px}.continue-info{min-width:150px}.continue-info h3{font-size:14px}.modal-footer>span{display:none}.modal-footer{justify-content:end}}@media(max-width:480px){.course-grid{grid-template-columns:1fr}.section-heading .search{width:100%}.course-cover{height:170px}.stats>div{padding:0 13px;gap:8px}.stat-icon{width:31px;height:31px}.page-heading h1{font-size:25px}.lesson-heading{align-items:start;flex-direction:column}.tabs{gap:22px}.source-option span{font-size:9px}dialog{padding:22px}.modal-heading h2{font-size:19px}.lesson-tools{gap:6px}.lesson-tools .button{padding:9px 11px}}

.telegram-mode{display:flex;gap:10px;margin-bottom:16px}.telegram-mode .button{flex:1}.telegram-link-label{margin-top:20px}#telegram-qr-box{text-align:center;margin:20px 0}#telegram-qr{width:210px;height:210px;background:white;border-radius:8px}#telegram-password-box{margin-top:20px}#telegram-account-fields>.button{margin-top:15px}.info-box a,.hint a{text-decoration:underline}

.drive-auth{margin-top:18px;font-size:11px;color:#758568}.drive-auth summary{cursor:pointer;color:var(--green);font-weight:600}.drive-auth .hint{overflow-wrap:anywhere}.drive-auth code{word-break:break-all}

.import-progress{margin:22px 46px 0;padding:18px 20px;border:1px solid #d7e2ce;border-radius:9px;background:#edf2e7;font-size:11px;color:#53704b}.import-status-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.import-status-top strong{font-size:12px}.import-progress p{margin:9px 0;line-height:1.7;overflow-wrap:anywhere}.import-counts{display:flex;gap:18px;flex-wrap:wrap;margin-top:9px;font-size:10px}.import-progress .progress-track{margin-top:12px;height:4px}.import-progress .indeterminate{width:35%;animation:import-pulse 1.5s ease-in-out infinite alternate}.modal-progress{margin:18px 0 0;padding:15px}.import-progress.error-state{background:#f7ebe5;color:#975a48;border-color:#ead3c8}@keyframes import-pulse{from{transform:translateX(0)}to{transform:translateX(180%)}}@media(max-width:800px){.import-progress{margin:18px 20px 0}.modal-progress{margin:18px 0 0}}

.login-view{min-height:100vh;display:grid;place-items:center;padding:35px 20px;background:radial-gradient(ellipse at 80% 15%,#e3eadc 0,transparent 55%),var(--bg)}.login-card{width:420px;max-width:100%;padding:38px;background:#fcfcf9;border:1px solid var(--border);border-radius:16px;box-shadow:0 14px 50px #304c3210}.login-card .brand{margin-bottom:37px}.login-card h1{font-size:31px;margin:12px 0}.login-card>p{color:#8b9582;font-size:12px;line-height:1.8;margin-bottom:27px}.login-card .primary{width:100%;font-size:13px;padding:13px}.login-card>small{display:block;text-align:center;color:#98a18f;font-size:10px;margin-top:25px}.login-card label input{font-size:13px}.logout{background:transparent;border:1px solid var(--border);border-radius:6px;font-size:11px;color:#75846a;padding:7px 12px}.logout:hover{background:#e9efe2}.curriculum #lesson-list{max-height:calc(100vh - 270px);overflow-y:auto}
.login-view{grid-template-columns:minmax(0,1fr)}.login-card{min-width:0;width:min(420px,100%)}@media(max-width:480px){.login-card{padding:28px}.login-card h1{font-size:28px}}
/* Layout enxuto: biblioteca, conteúdo e aula em páginas separadas. */
:root{--bg:#f5f6f8;--ink:#20252b;--muted:#6c7580;--border:#e1e5e9;--green:#276653;--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
body{font-size:14px}.sidebar{width:210px;padding:24px 16px;background:#fff}.app-shell{margin-left:210px}.brand{font-family:var(--font);font-size:28px}.workspace{margin:24px 0}.sidebar-bottom,.private-label+.avatar,.page-heading>.eyebrow,.footer,.cover-symbol,.course-cover,.stats .stat-icon{display:none}header{background:#fff;height:66px;padding:0 32px}main{padding:30px 32px;max-width:1480px;margin:auto}.page-heading{margin-bottom:26px;gap:20px}.page-heading h1,h1{font-family:var(--font);font-size:28px;letter-spacing:-.6px;line-height:1.3}.page-heading p{font-size:14px;margin-top:8px}.page-heading .eyebrow{display:none}.stats{gap:14px;margin-bottom:28px}.stats>div{padding:18px;background:#fff;border:1px solid var(--border);border-radius:10px}.stats strong{font-size:24px}.stats span{font-size:12px}.section-heading{gap:16px;flex-wrap:wrap}.section-heading h2{font-size:18px;font-family:var(--font)}.section-heading>span{display:none}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{border:1px solid var(--border);border-radius:12px;box-shadow:none;background:#fff;text-align:left}.course-card:hover{transform:translateY(-2px);border-color:#a8bfb5;box-shadow:0 4px 16px #192b3710}.course-body{padding:22px;display:flex;flex-direction:column;min-height:230px}.course-body h3{font-family:var(--font);font-size:17px;line-height:1.45;min-height:50px;margin:12px 0}.course-meta{margin-bottom:22px}.course-progress{margin-top:auto;font-size:12px}.course-bottom{margin-top:18px;border:0;padding:0}.progress-track{height:7px;background:#e9eeec;border-radius:10px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--green);transition:width .3s}.continue-card{border:1px solid var(--border);box-shadow:none;border-radius:12px;padding:20px;background:#fff}.continue-art{display:none}.continue-info{min-width:0}.continue-info p{white-space:normal}.button{border-radius:8px;font-size:13px;padding:11px 16px}.back{margin-bottom:20px}.overview-progress{background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px;margin-bottom:30px}.overview-progress>div:first-child{display:flex;justify-content:space-between;gap:16px;margin-bottom:14px}.overview-progress span{color:var(--muted);font-size:13px}.module-group{background:#fff;border:1px solid var(--border);border-radius:10px;margin-bottom:12px;overflow:hidden}.module-group summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px}.module-group summary::-webkit-details-marker{display:none}.module-group summary>span:first-child{min-width:0}.module-group summary strong{display:block;font-size:14px;overflow-wrap:anywhere}.module-group summary small{display:block;color:var(--muted);margin-bottom:5px}.module-group summary>span:last-child{white-space:nowrap;color:var(--muted);font-size:12px}.chevron{display:inline-block;margin-left:12px}.module-group[open] .chevron{transform:rotate(180deg)}.overview-lesson{width:100%;display:flex;gap:14px;align-items:center;text-align:left;padding:14px 20px;border:0;border-top:1px solid var(--border);background:#fff;color:var(--ink)}.overview-lesson:hover{background:#f4f8f6}.overview-lesson>span:nth-child(2){flex:1;overflow-wrap:anywhere}.overview-lesson small{color:var(--muted);font-size:11px;display:block}.overview-lesson>small{white-space:nowrap}.lesson-status{width:26px;height:26px;flex-shrink:0;border:1px solid var(--border);border-radius:50%;display:grid;place-items:center}.lesson-status.done{background:#e5f2eb;color:var(--green);border-color:#bad7c8}.player-heading h1{font-size:23px}.classroom{grid-template-columns:minmax(0,1fr) 330px;gap:22px}.classroom>section{min-width:0}.lesson-heading h2{font-size:20px}.curriculum{border-radius:10px}.module-title{font-size:12px;overflow-wrap:anywhere}.lesson-item{font-size:12px}.video-container{position:relative;border-radius:10px;background:#12171b;overflow:hidden}.drive-popout-mask{position:absolute;top:0;right:0;width:58px;height:58px;background:#12171b;z-index:2}.notes{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px}.notes h3{font-size:15px}.login-view{background:var(--bg)}.login-card{border:1px solid var(--border);box-shadow:0 8px 40px #23312c08}.login-card h1{font-size:28px}.search{background:#fff}.eyebrow{letter-spacing:.7px;font-size:10px}dialog{border-radius:14px}.modal-heading h2{font-size:23px;font-family:var(--font)}
@media(min-width:1600px){.course-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.classroom{grid-template-columns:minmax(0,1fr) 280px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.sidebar{position:static;width:100%;padding:14px 18px;border-right:0;border-bottom:1px solid var(--border);display:block}.sidebar .brand{font-size:24px}.sidebar .brand-mark{width:30px;height:30px;font-size:23px}.sidebar .workspace,.sidebar .nav-label,.sidebar nav,.sidebar-bottom{display:none}.app-shell{margin-left:0}header{height:52px;padding:0 18px}.breadcrumb{max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}main{padding:22px 18px}.classroom{grid-template-columns:1fr}.curriculum #lesson-list{max-height:420px}.page-heading h1{font-size:24px}.page-heading{align-items:flex-start}.player-heading{flex-wrap:wrap}.continue-card{flex-wrap:wrap}.search{width:100%}.tabs{overflow-x:auto}.module-group summary{padding:16px}.overview-lesson{padding:13px 16px}.overview-lesson>small{display:none}.overview-progress>div:first-child{flex-wrap:wrap}.lesson-heading{flex-wrap:wrap}.stats>div{padding:14px}.header-right{gap:10px}}
@media(max-width:520px){.course-grid{grid-template-columns:1fr}.page-heading{flex-direction:column}.course-body{min-height:210px}.course-body h3{min-height:0}.overview-lesson>span:nth-child(2){font-size:13px}.lesson-tools{gap:8px;flex-wrap:wrap}.login-card{padding:26px}.stats{gap:10px}}
#google-dialog{padding:28px;max-width:620px;width:calc(100% - 32px)}#google-dialog label{display:block;margin:18px 0}#google-dialog input{width:100%;padding:12px;border:1px solid var(--border);border-radius:7px;margin-top:7px}#google-admin-settings{margin-top:24px;border-top:1px solid var(--border);padding-top:18px}#google-admin-settings summary{cursor:pointer;color:var(--green)}.video-fallback{padding:28px;text-align:center;color:#fff;max-width:100%;overflow-wrap:anywhere}#google-dialog .hint a{text-decoration:underline}.header-right .button{padding:8px 10px;font-size:12px}.breadcrumb{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-right{flex-shrink:0}@media(max-width:520px){header .breadcrumb{max-width:45%;font-size:11px}.breadcrumb>span{display:none}#google-dialog{padding:20px}}
.stats{background:transparent;border:0;padding:0}.stats>div{border-right:1px solid var(--border)}.stats>div:last-child{background:#fff}.stat-time{white-space:nowrap}