:root{--ink:#16332a;--muted:#68736f;--green:#1e4d3c;--green2:#2f6b54;--mint:#dceade;--cream:#f6f3eb;--paper:#fffef9;--gold:#e4ae46;--red:#b84e4e;--line:#dedfd8;--shadow:0 18px 45px rgba(25,49,39,.09);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 88% 7%,#e4eddc 0,transparent 25%),var(--cream)}button,input{font:inherit}button{cursor:pointer}.app{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:28px 20px;background:var(--green);color:white;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 28px}.brand-mark{width:45px;height:45px;border-radius:14px;background:var(--gold);color:var(--green);display:grid;place-items:center;font-weight:900;font-size:18px}.brand strong{font-size:19px;display:block}.brand small{opacity:.72}.nav{display:grid;gap:6px}.nav button{border:0;background:transparent;color:#dce9e2;text-align:left;padding:12px 14px;border-radius:11px;display:flex;gap:12px;align-items:center}.nav button:hover,.nav button.active{background:rgba(255,255,255,.12);color:#fff}.nav .icon{width:22px;text-align:center}.sidebar-foot{margin-top:auto;background:rgba(255,255,255,.09);border-radius:14px;padding:15px;font-size:12px;line-height:1.5}.online{display:flex;align-items:center;gap:7px;margin-bottom:5px;font-weight:700}.dot{width:8px;height:8px;border-radius:50%;background:#8ee0a9}.main{min-width:0;padding:0 44px 50px}.topbar{height:90px;display:flex;align-items:center;justify-content:space-between}.mobile-menu{display:none}.welcome small{color:var(--muted)}.welcome strong{font-size:20px}.top-actions{display:flex;align-items:center;gap:14px}.points{background:#fff8e6;color:#704d0c;border:1px solid #f0dcae;padding:9px 13px;border-radius:20px;font-weight:700}.avatar{width:42px;height:42px;background:#c7684d;color:white;border-radius:50%;display:grid;place-items:center;font-weight:800}.view{animation:rise .25s ease}@keyframes 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rgba(0,0,0,.25);transform:rotate(2deg)}.laptop:after{content:"";display:block;background:#aeb9b2;width:215px;height:9px;margin:15px 0 0 -20px;border-radius:0 0 15px 15px}.laptop-line{height:8px;border-radius:4px;background:#d9e5db;margin:7px}.laptop-line:nth-child(2){width:65%;background:var(--gold)}.section-head{display:flex;justify-content:space-between;align-items:end;margin:30px 0 15px}.section-head h2{font-family:Georgia,serif;margin:4px 0 0;font-size:25px}.section-head button,.link-btn{border:0;background:none;color:var(--green2);font-weight:800}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.stat{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}.stat-top{display:flex;justify-content:space-between;align-items:center}.stat-icon{width:37px;height:37px;border-radius:10px;background:var(--mint);display:grid;place-items:center}.stat strong{font-size:24px;display:block;margin-top:12px}.stat small{color:var(--muted)}.progress{height:7px;background:#e5e6e0;border-radius:20px;overflow:hidden;margin-top:12px}.progress i{height:100%;display:block;border-radius:20px;background:var(--green2)}.grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{background:var(--paper);border:1px solid var(--line);border-radius:17px;padding:18px;transition:.2s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.card .tag{font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--green2)}.card h3{margin:8px 0 7px}.card p{color:var(--muted);font-size:13px;line-height:1.5}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px}.primary,.secondary,.danger{border:0;border-radius:10px;padding:10px 15px;font-weight:800}.primary{background:var(--green);color:white}.primary:hover{background:#28644c}.secondary{background:var(--mint);color:var(--green)}.danger{background:#f6dede;color:#8c3535}.activity-list{background:var(--paper);border:1px solid var(--line);border-radius:17px;padding:4px 18px}.activity{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}.activity:last-child{border:0}.activity-icon{width:36px;height:36px;flex:0 0 auto;background:#f0eee5;border-radius:10px;display:grid;place-items:center}.activity p{margin:1px 0;font-size:13px}.activity small{color:var(--muted)}.page-title{margin:7px 0 5px;font-family:Georgia,serif;font-size:35px}.page-sub{color:var(--muted);margin:0 0 25px}.filter-row{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:var(--paper);padding:8px 13px;border-radius:20px;color:var(--muted)}.chip.active{background:var(--green);color:white;border-color:var(--green)}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.module-card{background:var(--paper);border:1px solid var(--line);border-radius:19px;overflow:hidden}.module-cover{height:130px;background:linear-gradient(140deg,#d9e6d9,#edf0df);display:grid;place-items:center;font-size:47px}.module-body{padding:18px}.module-body h3{margin:0 0 7px}.module-body p{color:var(--muted);font-size:13px;min-height:39px}.lab-shell{display:grid;grid-template-columns:300px 1fr;gap:20px}.task-panel,.simulator{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px}.task-panel h2{font-family:Georgia,serif}.step-list{padding:0;list-style:none}.step-list li{padding:11px 0;display:flex;gap:10px;color:var(--muted);font-size:14px}.step-num{width:23px;height:23px;border-radius:50%;background:#e8ebe4;display:grid;place-items:center;font-size:11px;font-weight:800;flex:0 0 auto}.step-list li.done{color:var(--green);font-weight:700}.step-list li.done .step-num{background:var(--green);color:white}.computer{border:7px solid #24322e;border-radius:12px;background:#dce8ee;min-height:430px;overflow:hidden;position:relative}.computer-bar{background:#f4f4f4;height:39px;display:flex;align-items:center;padding:0 12px;justify-content:space-between;font-size:12px}.desktop{min-height:375px;padding:20px;background:linear-gradient(135deg,#27615a,#5c8c78);display:flex;gap:24px;align-items:flex-start;position:relative}.desktop-icon{color:white;text-align:center;width:70px;font-size:12px;border:0;background:none}.desktop-icon span{display:block;font-size:34px;margin-bottom:5px}.folder-window{position:absolute;inset:32px 35px;background:white;border-radius:7px;box-shadow:0 12px 35px rgba(0,0,0,.25);overflow:hidden;color:var(--ink)}.window-head{height:36px;background:#eef0ef;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-weight:700}.window-path{padding:8px 12px;border-bottom:1px solid var(--line);font-size:12px}.window-content{display:flex;gap:24px;padding:25px}.folder-item{border:0;background:none;text-align:center;color:var(--ink)}.folder-item span{display:block;font-size:39px}.taskbar{position:absolute;bottom:0;left:0;right:0;height:34px;background:rgba(20,30,28,.9);color:white;display:flex;align-items:center;padding:0 12px;gap:17px;font-size:12px}.modal{position:fixed;inset:0;background:rgba(15,31,25,.55);display:grid;place-items:center;padding:20px;z-index:20}.dialog{background:var(--paper);border-radius:18px;padding:25px;width:min(430px,100%);box-shadow:var(--shadow)}.dialog h2{margin-top:0;font-family:Georgia,serif}.dialog input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;margin:8px 0 18px}.dialog-actions{display:flex;justify-content:flex-end;gap:9px}.quiz{max-width:760px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px}.quiz-count{color:var(--muted);font-size:13px}.quiz h2{font-family:Georgia,serif;font-size:27px}.answers{display:grid;gap:10px;margin:22px 0}.answer{border:1px solid var(--line);border-radius:12px;background:white;text-align:left;padding:14px}.answer:hover{border-color:var(--green2);background:#f4f8f4}.answer.correct{background:#e1f1e4;border-color:#5c9d69}.answer.wrong{background:#fae2e2;border-color:#d36c6c}.feedback{padding:13px;border-radius:10px;background:#f1efe8;line-height:1.5}.teacher-banner{display:flex;justify-content:space-between;align-items:center;background:#ead9a7;border-radius:17px;padding:19px 22px;margin-bottom:22px}.chart-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px}.bar-row{display:grid;grid-template-columns:130px 1fr 42px;align-items:center;gap:12px;margin:17px 0;font-size:13px}.bar{height:10px;border-radius:10px;background:#e5e7e1;overflow:hidden}.bar i{display:block;height:100%;background:var(--green2);border-radius:10px}.callout{padding:17px;border-left:4px solid var(--gold);background:#fff8e8;border-radius:4px 13px 13px 4px;margin-top:18px}.toast{position:fixed;right:25px;bottom:25px;background:var(--ink);color:white;padding:13px 18px;border-radius:10px;opacity:0;transform:translateY(15px);pointer-events:none;transition:.25s;z-index:50}.toast.show{opacity:1;transform:none}
@media(max-width:1000px){.app{grid-template-columns:82px 1fr}.sidebar{padding:25px 13px}.brand div:last-child,.nav button span:last-child,.sidebar-foot{display:none}.brand{padding-left:5px}.nav button{justify-content:center}.main{padding:0 25px 40px}.module-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.lab-shell{grid-template-columns:1fr}.task-panel{order:2}}
@media(max-width:680px){.app{display:block}.sidebar{position:fixed;z-index:40;height:auto;bottom:0;top:auto;left:0;right:0;padding:7px 8px}.brand,.sidebar-foot{display:none}.nav{display:flex;justify-content:space-around}.nav button{padding:9px}.nav button:nth-child(5),.nav button:nth-child(6){display:none}.main{padding:0 15px 90px}.topbar{height:72px}.hero{grid-template-columns:1fr;padding:26px;min-height:auto}.hero h1{font-size:31px}.hero-art{display:none}.grid{grid-template-columns:1fr}.cards,.module-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.top-actions .points{display:none}.page-title{font-size:30px}.computer{min-height:360px}.desktop{min-height:305px}.folder-window{inset:25px 10px}.window-content{gap:10px;padding:18px}.teacher-banner{align-items:flex-start;gap:15px}.bar-row{grid-template-columns:95px 1fr 35px}}
.role-switch{border:1px solid var(--line);background:var(--paper);color:var(--green);border-radius:10px;padding:9px 12px;font-weight:750}.teacher-app .sidebar{background:#193d32}.teacher-hero{background:linear-gradient(120deg,#e5efe4,#f4f0dc);border:1px solid #d6dfd2;border-radius:22px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px}.teacher-hero h1{font-family:Georgia,serif;font-size:34px;margin:8px 0}.teacher-hero p{color:var(--muted);max-width:670px}.teacher-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.teacher-actions button{border:1px solid var(--line);background:var(--paper);border-radius:16px;padding:17px;display:flex;text-align:left;align-items:center;gap:13px}.teacher-actions b{width:42px;height:42px;background:var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--green)}.teacher-actions strong,.teacher-actions small{display:block}.teacher-actions small{color:var(--muted);margin-top:3px}.content-row{display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.content-row strong,.content-row small{display:block}.content-row small{color:var(--muted);margin-top:4px}.status-pill{display:inline-block;border-radius:20px;padding:5px 9px;font-size:11px;font-style:normal;font-weight:800;text-transform:capitalize}.status-pill.published{background:#dceee0;color:#28623d}.status-pill.draft{background:#eceae2;color:#6c6b63}.title-actions{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.author-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:20px}.editor-card,.publish-card,.table-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px}.publish-card{height:max-content;position:sticky;top:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-field{display:grid;gap:7px;margin-bottom:15px}.form-field span,.dialog>label{font-size:12px;font-weight:800}.form-field input,.form-field select,.form-field textarea,.table-tools input,.table-tools select,.dialog textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;background:white;color:var(--ink);font:inherit}.upload-zone{border:2px dashed #cbd4c9;background:#f5f8f3;border-radius:13px;padding:25px;display:grid;gap:5px;text-align:center;cursor:pointer}.upload-zone span,.privacy-note{color:var(--muted);font-size:12px}.file-name{font-size:12px;color:var(--green);font-weight:700;margin-top:8px}.check{display:block;font-size:13px;margin:14px 0}.publish-card hr{border:0;border-top:1px solid var(--line);margin:20px 0}.full{width:100%;margin-bottom:10px}.table-tools{display:flex;gap:10px;margin-bottom:14px}.table-tools input{flex:1}.data-table{min-width:650px}.table-card{overflow:auto}.table-head,.table-row{display:grid;grid-template-columns:2fr 1fr .7fr 1fr;gap:16px;align-items:center;padding:13px}.table-head{background:#f1f2ed;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;border-radius:9px}.table-row{border-bottom:1px solid var(--line);font-size:13px}.table-row strong,.table-row small{display:block}.table-row small{color:var(--muted);margin-top:4px}.icon-btn{border:0;background:#edf2ec;color:var(--green);border-radius:7px;padding:7px;margin-right:4px;font-size:11px;font-weight:800}.ai-button{border:1px solid #b7a3de;background:#eee8fb;color:#5a3b91;border-radius:11px;padding:11px 15px;font-weight:800}.generated-box{background:#f4f3ee;border-radius:13px;padding:16px}.question-edit{display:grid;grid-template-columns:25px 1fr 30px;align-items:center;gap:7px;margin:9px 0}.question-edit input{border:1px solid var(--line);border-radius:8px;padding:9px}.class-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px}.class-icon{width:50px;height:50px;background:var(--green);color:white;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:19px;margin-bottom:18px}.class-meta{display:flex;gap:30px;margin:20px 0}.class-meta strong,.class-meta small{display:block}.class-meta strong{font-size:22px}.class-meta small{color:var(--muted)}.empty-state{grid-column:1/-1;border:1px dashed var(--line);border-radius:16px;padding:35px;text-align:center;color:var(--muted)}.material-dialog{width:min(600px,100%)}.material-preview{height:145px;background:linear-gradient(130deg,#dbe8d9,#f0edd9);border-radius:13px;display:grid;place-items:center;font-size:45px;margin-bottom:20px}.lesson-body{background:#f2f3ed;border-radius:10px;padding:15px;line-height:1.6}.attachment{margin-top:12px;border:1px solid var(--line);padding:10px;border-radius:9px}.small-avatar{width:36px;height:36px;font-size:11px}.activity .icon-btn{margin-left:auto}.result{text-align:center}.result>b{font-size:50px}
@media(max-width:900px){.author-grid{grid-template-columns:1fr}.publish-card{position:static}.teacher-actions{grid-template-columns:1fr}.teacher-hero{align-items:flex-start;flex-direction:column}}
@media(max-width:680px){.role-switch{font-size:11px;padding:7px}.top-actions{gap:6px}.teacher-hero{padding:22px}.teacher-hero h1{font-size:28px}.form-row{grid-template-columns:1fr}.title-actions{display:block}.title-actions>button{margin-bottom:18px}.author-grid{display:block}.publish-card{margin-top:15px}.table-tools{display:grid}.teacher-app .nav button:nth-child(5),.teacher-app .nav button:nth-child(6){display:none}}
.practical-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.practical-card{border:1px solid var(--line);background:var(--paper);border-radius:15px;padding:16px;display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;text-align:left;color:var(--ink)}.practical-card>span{width:42px;height:42px;border-radius:11px;background:var(--mint);display:grid;place-items:center;font-size:20px}.practical-card small,.practical-card strong{display:block}.practical-card small{color:var(--muted);margin-bottom:4px}.practical-card>b{color:var(--green);font-size:12px}.practical-steps{padding-left:23px;line-height:1.7}.ai-button+ .upload-zone{margin-top:15px}
@media(max-width:680px){.practical-strip{grid-template-columns:1fr}.practical-card{grid-template-columns:38px 1fr}.practical-card>b{display:none}}
.landing{min-height:100vh;background:var(--cream)}.landing-nav{height:82px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px}.public-brand{padding:0;color:var(--ink)}.landing-nav nav{display:flex;align-items:center;gap:12px}.landing-nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:700;padding:10px}.landing-hero{min-height:620px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:55px;max-width:1180px;margin:auto;padding:65px 24px}.landing-hero h1{font-family:Georgia,serif;font-size:62px;line-height:1.02;letter-spacing:-.03em;margin:13px 0 20px}.landing-hero h1 em{color:var(--green2);font-style:normal}.landing-hero>div>p{font-size:18px;line-height:1.7;color:var(--muted);max-width:650px}.landing-actions{display:flex;gap:10px;margin:27px 0}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--green2);font-size:12px;font-weight:800}.landing-visual{position:relative}.landing-visual:before{content:"";position:absolute;inset:-45px;background:radial-gradient(circle,#d4e6d3,transparent 67%)}.visual-window{position:relative;background:white;border:8px solid #1b322b;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(24,51,41,.2);transform:rotate(1deg)}.visual-top{height:38px;background:#e9ece8;padding:11px 15px;font-size:11px;font-weight:800}.visual-top i{float:right;color:#999}.visual-body{display:grid;grid-template-columns:48px 1fr;min-height:300px}.visual-body aside{background:var(--green);color:white;text-align:center;line-height:48px;padding-top:12px}.visual-body>div{padding:25px}.visual-banner{background:var(--ink);color:white;border-radius:13px;padding:20px;margin:18px 0}.visual-banner strong{font-family:Georgia,serif;font-size:23px}.visual-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.visual-cards span{background:#f2f3ed;border-radius:9px;padding:12px;font-weight:900}.visual-cards small{display:block;color:var(--muted);font-weight:500}.how-section,.feature-section{padding:85px 24px;max-width:1180px;margin:auto}.how-section{text-align:center}.how-section>h2,.feature-section h2,.landing-cta h2{font-family:Georgia,serif;font-size:39px;margin:10px 0 35px}.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;text-align:left}.how-grid article{background:var(--paper);border:1px solid var(--line);border-radius:17px;padding:22px}.how-grid article>b{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:white}.how-grid p,.feature-section p{color:var(--muted);line-height:1.6}.feature-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.feature-grid article{display:flex;gap:13px;background:var(--paper);border:1px solid var(--line);padding:17px;border-radius:15px}.feature-grid i{width:37px;height:37px;flex:0 0 auto;background:var(--mint);border-radius:9px;display:grid;place-items:center;font-style:normal}.feature-grid h3,.feature-grid p{margin:0}.feature-grid p{font-size:12px;margin-top:5px}.landing-cta{background:var(--ink);color:white;text-align:center;padding:65px 24px}.landing-cta .eyebrow{color:var(--gold)}.landing footer{height:85px;max-width:1180px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.landing footer strong{color:var(--ink);font-size:20px}.credential-notice{background:#edf5ec;border-left:4px solid var(--green2);padding:13px;border-radius:5px;margin:5px 0 18px;font-size:12px}.credential-count{align-self:center;color:var(--muted);font-size:12px}.password-cell{display:flex!important;align-items:center;gap:8px}.password-cell code,.credentials-table code{background:#f0f1eb;border-radius:5px;padding:5px 7px;color:var(--ink)}.onboarding-dialog{width:min(480px,100%)}
@media(max-width:850px){.landing-nav nav a{display:none}.landing-hero{grid-template-columns:1fr;padding-top:35px}.landing-hero h1{font-size:48px}.landing-visual{max-width:550px}.how-grid{grid-template-columns:1fr 1fr}.feature-section{grid-template-columns:1fr}.landing footer{display:grid;justify-content:center;text-align:center}.teacher-app .nav{overflow-x:auto;justify-content:flex-start}.teacher-app .nav button{display:flex!important;flex:0 0 auto}}
@media(max-width:560px){.public-brand small{display:none}.landing-nav{padding:0 14px}.landing-nav nav{gap:5px}.landing-nav nav button{font-size:11px;padding:8px}.landing-hero{padding:35px 16px}.landing-hero h1{font-size:40px}.landing-actions{display:grid}.trust-row{gap:8px}.how-grid,.feature-grid{grid-template-columns:1fr}.how-section,.feature-section{padding:55px 16px}.landing-visual{display:none}.landing-hero{min-height:570px}.credentials-table{min-width:720px}}
.topbar-start{display:flex;align-items:center;gap:15px}.menu-toggle{width:42px;height:42px;border:1px solid var(--line);background:var(--paper);border-radius:11px;display:grid;place-content:center;gap:4px;padding:0}.menu-toggle span{display:block;width:19px;height:2px;background:var(--green);border-radius:3px;transition:.2s}.sidebar-scrim{display:none}.app.menu-collapsed{grid-template-columns:82px 1fr}.app.menu-collapsed .sidebar{padding-left:13px;padding-right:13px}.app.menu-collapsed .brand>div:last-child,.app.menu-collapsed .nav button>span:last-child,.app.menu-collapsed .sidebar-foot{display:none}.app.menu-collapsed .brand{padding-left:5px}.app.menu-collapsed .nav button{justify-content:center}.app.menu-collapsed .menu-toggle span:first-child{transform:translateY(6px) rotate(90deg);width:8px}.app.menu-collapsed .menu-toggle span:last-child{transform:translateY(-6px) rotate(90deg);width:8px}
@media(min-width:681px) and (max-width:1000px){.app:not(.menu-collapsed){grid-template-columns:260px 1fr}.app:not(.menu-collapsed) .sidebar{padding:28px 20px}.app:not(.menu-collapsed) .brand div:last-child,.app:not(.menu-collapsed) .nav button span:last-child,.app:not(.menu-collapsed) .sidebar-foot{display:block}.app:not(.menu-collapsed) .nav button{justify-content:flex-start}}
@media(max-width:680px){.app{display:block}.sidebar{position:fixed!important;z-index:45!important;left:0!important;top:0!important;bottom:0!important;width:270px!important;height:100vh!important;padding:24px 18px!important;transform:translateX(-105%);transition:transform .25s ease;box-shadow:0 20px 55px rgba(0,0,0,.25)}.sidebar .brand{display:flex!important}.sidebar .brand>div:last-child,.sidebar .nav button>span:last-child,.sidebar .sidebar-foot{display:block!important}.sidebar .nav{display:grid!important;overflow-y:auto;justify-content:stretch!important}.sidebar .nav button{display:flex!important;justify-content:flex-start!important;padding:11px 13px!important}.sidebar .sidebar-foot{margin-top:auto!important}.sidebar-open .sidebar{transform:translateX(0)}.sidebar-scrim{position:fixed;inset:0;border:0;background:rgba(15,31,25,.5);z-index:44}.sidebar-open .sidebar-scrim{display:block}.topbar-start{gap:9px}.menu-toggle{width:38px;height:38px}.sidebar-open .menu-toggle span:first-child{transform:translateY(6px) rotate(45deg)}.sidebar-open .menu-toggle span:nth-child(2){opacity:0}.sidebar-open .menu-toggle span:last-child{transform:translateY(-6px) rotate(-45deg)}}
.analytics-filters{display:flex;align-items:end;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin-bottom:18px}.analytics-filters label{display:grid;gap:5px;font-size:11px;font-weight:800}.analytics-filters select{min-width:150px;border:1px solid var(--line);border-radius:8px;padding:8px;background:white}.analytics-filters>span{margin-left:auto;color:var(--muted);font-size:11px}.analytics-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,.75fr);gap:18px;margin-top:20px}.analytics-side{display:grid;gap:18px;align-content:start}.analytics-head{margin-top:0}.analytics-table{overflow-x:auto}.analytics-row{min-width:760px;display:grid;grid-template-columns:1.6fr .75fr .55fr .55fr .65fr 1fr .6fr;gap:12px;align-items:center;padding:13px 8px;border-bottom:1px solid var(--line);font-size:12px}.analytics-row-head{background:#f0f2ed;border:0;border-radius:8px;color:var(--muted);font-size:10px;font-weight:900;text-transform:uppercase}.analytics-row strong,.analytics-row small{display:block}.analytics-row small{color:var(--muted);margin-top:3px}.score-text{font-weight:900;color:var(--green2)}.score-text.low{color:#b44d48}.mini-progress{height:6px;background:#e3e6df;border-radius:8px;overflow:hidden}.mini-progress i{height:100%;display:block;background:var(--green2)}.event-item{display:grid;grid-template-columns:29px 1fr;gap:9px;padding:11px 0;border-bottom:1px solid var(--line)}.event-item>i{width:27px;height:27px;border-radius:50%;background:var(--mint);color:var(--green);display:grid;place-items:center;font-style:normal;font-weight:900}.event-item strong,.event-item small,.event-item time{display:block}.event-item small{color:var(--muted);font-size:11px;margin-top:2px}.event-item time{font-size:10px;color:#9a9f9c;margin-top:3px}.muted-copy{color:var(--muted);font-size:13px;line-height:1.6}.analytics-dialog{width:min(650px,100%)}.detail-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:18px 0}.detail-kpis span{background:#f0f2ed;border-radius:10px;padding:13px}.detail-kpis strong,.detail-kpis small{display:block}.detail-kpis strong{font-size:21px}.detail-kpis small{color:var(--muted)}.detail-events{max-height:280px;overflow:auto;margin-bottom:18px}.detail-events>div{display:grid;grid-template-columns:25px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}.detail-events i{font-style:normal;color:var(--green2)}.detail-events strong,.detail-events small{display:block}.detail-events small{color:var(--muted);font-size:11px;margin-top:2px}
@media(max-width:1050px){.analytics-layout{grid-template-columns:1fr}.analytics-side{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.analytics-filters{align-items:stretch;display:grid}.analytics-filters>span{margin-left:0}.analytics-side{grid-template-columns:1fr}.detail-kpis{grid-template-columns:1fr}}
.admin-app .sidebar{background:#172b3a}.admin-app .brand-mark{background:#73c7dc;color:#153244}.admin-badge{background:#dceef3;color:#174c5e;border:1px solid #b9dce5;border-radius:20px;padding:7px 11px;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.admin-login-link{border:0;background:transparent;color:var(--muted);font-weight:800;padding:9px}.admin-hero{background:linear-gradient(125deg,#172b3a,#285262);color:white;border-radius:23px;padding:31px 34px;display:flex;justify-content:space-between;align-items:center;gap:25px}.admin-hero h1{font-family:Georgia,serif;font-size:36px;margin:8px 0}.admin-hero p{color:#d0e1e5;max-width:680px}.health-orb{display:grid;justify-items:center;text-align:center;min-width:170px}.health-orb>i{width:53px;height:53px;border:9px solid rgba(128,221,169,.2);background:#62d390;border-radius:50%;box-shadow:0 0 0 10px rgba(98,211,144,.1);margin-bottom:13px}.health-orb strong,.health-orb small{display:block}.health-orb small{opacity:.7;margin-top:4px}.admin-command-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:20px}.admin-command-grid button{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:18px;text-align:left}.admin-command-grid i{width:38px;height:38px;border-radius:10px;background:#dceef3;color:#174c5e;display:grid;place-items:center;font-style:normal;margin-bottom:13px}.admin-command-grid strong,.admin-command-grid small{display:block}.admin-command-grid small{color:var(--muted);margin-top:5px}.system-check{display:grid;grid-template-columns:13px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.system-check i,.system-service i{width:10px;height:10px;border-radius:50%;background:#62be7d}.system-check i.warn,.system-service i.warn{background:#e3a545}.system-check strong,.system-check small{display:block}.system-check small{color:var(--muted);margin-top:3px}.system-check>b{font-size:10px;color:var(--green2)}.role-pill{display:inline-block;padding:5px 9px;border-radius:20px;font-style:normal;font-size:10px;font-weight:900}.role-pill.teacher{background:#e9e1f6;color:#65458e}.role-pill.student{background:#dceee0;color:#28623d}.health-banner{display:flex;justify-content:space-between;align-items:center;background:#e4f2e7;border:1px solid #c9dfce;border-radius:17px;padding:19px 23px}.health-banner .health-orb{display:grid;grid-template-columns:24px 1fr;min-width:0;justify-items:start;text-align:left}.health-banner .health-orb>i{width:14px;height:14px;border-width:3px;grid-row:1/3;margin:5px 12px 0 0}.system-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}.system-service{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:17px}.system-service>div{display:flex;align-items:center;gap:8px}.system-service>strong{font-size:12px;display:block;margin:14px 0 5px}.system-service p{font-size:11px;color:var(--muted);line-height:1.5;margin:0}.inventory-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.audit-item{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:16px;border-bottom:1px solid var(--line)}.audit-item>i{width:35px;height:35px;border-radius:10px;background:#dceef3;color:#174c5e;display:grid;place-items:center;font-style:normal}.audit-item p{margin:4px 0;color:var(--muted);font-size:12px}.audit-item small{color:#929996}.settings-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px}.setting-toggle{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:14px 0;position:relative}.setting-toggle span strong,.setting-toggle span small{display:block}.setting-toggle span small{color:var(--muted);margin-top:3px}.setting-toggle input{position:absolute;opacity:0}.setting-toggle>i{width:43px;height:24px;border-radius:20px;background:#cdd1cc;position:relative}.setting-toggle>i:after{content:"";width:18px;height:18px;background:white;border-radius:50%;position:absolute;left:3px;top:3px;transition:.2s}.setting-toggle input:checked+i{background:var(--green2)}.setting-toggle input:checked+i:after{transform:translateX(19px)}
@media(max-width:1050px){.admin-command-grid{grid-template-columns:1fr 1fr}.system-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.landing-nav .admin-login-link{display:none}.admin-hero{align-items:flex-start;flex-direction:column}.admin-command-grid,.system-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.health-banner{align-items:flex-start;gap:15px}.admin-app .nav{overflow-y:auto}}
@media(max-width:680px){.landing-nav .admin-login-link{display:block;font-size:10px;padding:5px}}
.dialog select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;margin:8px 0 18px;background:white;color:var(--ink)}.tenant-banner{display:flex;justify-content:space-between;align-items:center;background:#e4eee2;border:1px solid #ceddca;border-radius:12px;padding:11px 15px;margin-bottom:18px;font-size:12px}.tenant-banner strong{color:var(--green)}.tenant-banner span{color:var(--muted)}.tenant-chip{display:inline-block;background:#e4eee2;color:var(--green);border:1px solid #ceddca;border-radius:20px;padding:6px 11px;font-size:11px;font-weight:800;margin-bottom:14px}.school-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:21px}.school-card-head{display:flex;align-items:flex-start;justify-content:space-between}.school-card h2{font-family:Georgia,serif;margin:12px 0 4px}.school-card>small{color:var(--muted)}.school-card .class-meta{gap:20px}.school-card .class-meta strong{font-size:19px}
@media(max-width:680px){.tenant-banner{align-items:flex-start;display:grid;gap:3px}}
.nested-modal{background:rgba(8,24,20,.68);z-index:35}.field-help{display:block;color:var(--muted);font-size:11px;margin:-12px 0 16px}.nested-modal .dialog{border:2px solid #b9d9cc;box-shadow:0 30px 80px rgba(0,0,0,.32)}
.sync-control{border:1px solid var(--line);background:var(--paper);border-radius:20px;padding:8px 11px;display:flex;align-items:center;gap:7px;color:var(--green);font-size:11px;font-weight:800}.sync-control i{width:8px;height:8px;border-radius:50%;background:#64bd7b}.sync-control.offline{background:#f5eee4;color:#7b592c}.sync-control.offline i{background:#df9e43}.sync-reminder{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#e6f1e5;border:1px solid #c9ddc8;border-radius:14px;padding:14px 17px;margin-bottom:18px}.sync-reminder.overdue{background:#fff4dc;border-color:#ecd49e}.sync-reminder strong,.sync-reminder span{display:block}.sync-reminder span{color:var(--muted);font-size:12px;margin-top:3px}.sync-reminder button:disabled{opacity:.5;cursor:not-allowed}.teacher-sync-alert{background:#fff1dc;border:1px solid #ebcf9d;border-radius:15px;padding:16px 18px;margin:17px 0;display:flex;align-items:center;justify-content:space-between;gap:18px}.teacher-sync-alert>div:first-child{display:flex;gap:11px;align-items:center}.teacher-sync-alert strong,.teacher-sync-alert small{display:block}.teacher-sync-alert small{color:#756958;margin-top:4px}.alert-icon{width:33px;height:33px;border-radius:50%;background:#e7a944;color:white;display:grid;place-items:center;font-weight:900}.overdue-learners{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.overdue-learners button{border:1px solid #dfc28e;background:#fffaf0;border-radius:9px;padding:7px 9px;color:var(--ink);font-size:11px}.overdue-learners small{display:block;color:#9b6d35}.nav-badge{margin-left:auto;min-width:19px;height:19px;border-radius:10px;background:#e7a944;color:white;display:grid;place-items:center;font-size:10px}.menu-collapsed .nav-badge{position:absolute;margin:0 0 24px 24px}.menu-collapsed .nav button{position:relative}
@media(max-width:680px){.sync-control{padding:7px}.sync-control span{display:none}.sync-reminder,.teacher-sync-alert{align-items:flex-start;flex-direction:column}.overdue-learners{justify-content:flex-start}.nav-badge{margin-left:auto!important;position:static!important}}
.field-error{display:block;min-height:18px;margin-top:6px;color:#b54035;font-size:12px;font-weight:700}

/* SIILP Enterprise UI — v12 */
:root{--ink:#17202a;--muted:#667085;--green:#0b5d57;--green2:#08766e;--mint:#e8f3f1;--cream:#f5f7fa;--paper:#fff;--gold:#c58b22;--red:#b42318;--line:#dfe3e8;--shadow:0 1px 2px rgba(16,24,40,.05),0 6px 16px rgba(16,24,40,.04);font-family:"Segoe UI",Inter,Arial,sans-serif;color:var(--ink);background:var(--cream)}
body{background:#f5f7fa;font-size:14px}.app{grid-template-columns:248px 1fr}.sidebar,.teacher-app .sidebar{padding:20px 14px;background:#102f36;border-right:1px solid #23474e}.admin-app .sidebar{background:#142b3d}.brand{padding:3px 10px 22px;gap:10px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px}.brand-mark{width:36px;height:36px;border-radius:7px;background:#fff;color:#0b5d57;font-size:15px}.admin-app .brand-mark{background:#fff;color:#173e5a}.brand strong{font-size:16px;letter-spacing:.03em}.brand small{font-size:11px}.nav{gap:3px}.nav button{min-height:40px;padding:9px 11px;border-radius:6px;font-size:13px;font-weight:600;color:#c8d6d8}.nav button:hover{background:rgba(255,255,255,.07)}.nav button.active{background:#fff;color:#153d43;box-shadow:0 1px 2px rgba(0,0,0,.12)}.nav .icon{width:20px;font-size:14px}.sidebar-foot{border:1px solid rgba(255,255,255,.11);border-radius:7px;padding:12px;background:rgba(255,255,255,.04)}
.main{padding:0 34px 44px}.topbar{height:72px;border-bottom:1px solid var(--line);margin-bottom:26px;background:#f5f7fa}.welcome small{font-size:11px;text-transform:uppercase;letter-spacing:.06em}.welcome strong{font-size:16px}.avatar{width:34px;height:34px;border-radius:7px;background:#315e68;font-size:11px}.menu-toggle,.role-switch{border-radius:6px;background:#fff}.menu-toggle{width:36px;height:36px}.top-actions{gap:9px}.points,.sync-control,.admin-badge{border-radius:6px;padding:7px 10px;background:#fff;color:#344054;border-color:var(--line)}
.primary,.secondary,.danger,.ai-button{min-height:36px;border-radius:6px;padding:8px 13px;font-size:13px;font-weight:650;box-shadow:none}.primary{background:#0b5d57}.primary:hover{background:#084d48}.secondary{background:#fff;color:#344054;border:1px solid #d0d5dd}.secondary:hover{background:#f8fafb}.danger{background:#fff;color:#b42318;border:1px solid #f1b7b2}.ai-button{background:#fff;color:#53389e;border:1px solid #d6ccf0}.eyebrow{font-size:10px;letter-spacing:.1em;color:#08766e}.page-title,.section-head h2,.teacher-hero h1,.admin-hero h1,.task-panel h2,.quiz h2,.dialog h2,.school-card h2{font-family:inherit;letter-spacing:-.02em}.page-title{font-size:28px;margin-top:5px}.page-sub{font-size:13px;margin-bottom:22px}
.hero,.teacher-hero,.admin-hero{border-radius:9px;box-shadow:none}.hero{min-height:205px;padding:28px 30px;background:#123f46;border:1px solid #1d5259}.hero:after{display:none}.hero h1{font-family:inherit;font-size:32px;letter-spacing:-.03em;line-height:1.15}.hero-art{opacity:.8}.teacher-hero{padding:24px 27px;background:#fff;border:1px solid var(--line)}.teacher-hero h1{font-size:28px}.admin-hero{padding:25px 28px;background:#183b52;border:1px solid #274e66}.admin-hero h1{font-size:29px}
.stats{gap:12px;margin-top:16px}.stat,.card,.chart-card,.class-card,.school-card,.editor-card,.publish-card,.table-card,.task-panel,.simulator,.quiz{border-radius:8px;box-shadow:var(--shadow)}.stat{padding:16px}.stat-icon{width:32px;height:32px;border-radius:6px;background:#edf3f4;color:#315e68;font-size:12px}.stat strong{font-size:21px;margin-top:10px}.progress,.bar{height:5px;border-radius:2px}.progress i,.bar i{border-radius:2px}.section-head{margin:27px 0 13px}.section-head h2{font-size:20px}.cards{gap:12px}.card{padding:16px}.card:hover,.module-card:hover{transform:none;box-shadow:0 2px 8px rgba(16,24,40,.08)}
.module-grid{gap:13px}.module-card{border-radius:8px;box-shadow:var(--shadow);transition:.15s}.module-cover{height:90px;background:#eef3f5;color:#315e68;font-size:16px;display:flex;flex-direction:column;gap:4px}.module-cover span{width:36px;height:36px;display:grid;place-items:center;border:1px solid #aec4c9;border-radius:6px;background:#fff;font-weight:700;font-size:11px}.module-cover small{font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.module-body{padding:16px}.module-body h3{font-size:15px}.module-body p{font-size:12px}.chip{border-radius:6px;padding:7px 11px}.chip.active{background:#315e68;border-color:#315e68}
.teacher-actions{gap:10px}.teacher-actions button,.admin-command-grid button,.practical-card{border-radius:8px;padding:14px;box-shadow:var(--shadow)}.teacher-actions b,.admin-command-grid i,.practical-card>span,.class-icon{border-radius:6px}.teacher-actions b{width:36px;height:36px}.admin-command-grid i{width:34px;height:34px}.class-icon{width:44px;height:44px}.content-row{padding:12px 2px}.status-pill,.role-pill,.tenant-chip{border-radius:5px}.form-field input,.form-field select,.form-field textarea,.table-tools input,.table-tools select,.dialog textarea,.dialog input,.dialog select{border-radius:6px;border-color:#cfd5dc;min-height:38px}.form-field input:focus,.form-field select:focus,.form-field textarea:focus,.dialog input:focus{outline:2px solid rgba(8,118,110,.18);border-color:#08766e}.upload-zone{border-radius:7px;background:#fafbfc}.table-head,.analytics-row-head{border-radius:5px;background:#f2f4f7}.icon-btn{border-radius:5px;background:#f0f4f5}.modal{background:rgba(15,23,42,.55);backdrop-filter:blur(2px)}.dialog{border-radius:9px;box-shadow:0 24px 48px rgba(16,24,40,.2)}
.landing{background:#fff}.landing-nav{height:68px;max-width:1240px;border-bottom:1px solid var(--line)}.landing-nav .brand{border:0;margin:0;padding:0}.landing-nav a{font-size:13px;font-weight:600}.landing-hero{max-width:1240px;min-height:570px;padding:70px 24px;gap:70px}.landing-hero h1{font-family:inherit;font-size:54px;line-height:1.08;letter-spacing:-.045em}.landing-hero h1 em{color:#0b5d57}.landing-hero>div>p{font-size:17px;line-height:1.65}.trust-row{color:#475467;font-weight:600}.landing-visual:before{display:none}.visual-window{border:1px solid #cfd7df;border-radius:9px;box-shadow:0 18px 50px rgba(16,24,40,.14);transform:none}.visual-top{background:#f5f7fa;border-bottom:1px solid var(--line)}.visual-body aside{background:#153e46}.visual-banner{border-radius:6px;background:#184a51}.visual-banner strong{font-family:inherit;font-size:20px}.visual-cards span{border-radius:5px;background:#f2f4f7}.how-section,.feature-section{max-width:1240px;padding:75px 24px}.how-section{background:#f8fafb;max-width:none}.how-section>*{max-width:1192px;margin-left:auto;margin-right:auto}.how-section>h2,.feature-section h2,.landing-cta h2{font-family:inherit;font-size:34px;letter-spacing:-.03em}.how-grid{gap:12px}.how-grid article,.feature-grid article{border-radius:7px;padding:20px}.how-grid article>b{border-radius:5px;background:#315e68}.feature-grid{gap:10px}.feature-grid i{border-radius:6px}.landing-cta{background:#153e46;padding:56px 24px}.landing footer{max-width:1240px}
.activity-list,.analytics-filters,.sync-reminder,.teacher-sync-alert,.tenant-banner,.health-banner,.generated-box,.callout{border-radius:7px}.computer{border-radius:8px}.folder-window{border-radius:5px}.toast{border-radius:6px}.empty-state{border-radius:8px}.system-service{border-radius:8px}
@media(max-width:1000px){.main{padding:0 22px 36px}}
@media(max-width:680px){.main{padding:0 14px 80px}.topbar{height:64px;margin-bottom:18px}.hero h1{font-size:27px}.landing-hero h1{font-size:40px}.stats{gap:8px}.stat{padding:13px}.sidebar{border-right:0}.page-title{font-size:25px}}

/* Guided practical sessions — v13 */
.guided-labs{margin:18px 0 28px}.guided-lab-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:12px}.guided-lab-head h2{font-size:20px;margin:4px 0 0;letter-spacing:-.02em}.completion-count{font-size:12px;color:var(--muted);font-weight:700;background:#fff;border:1px solid var(--line);border-radius:5px;padding:6px 9px}.lab-session-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.lab-session{display:grid;grid-template-columns:38px 1fr auto;gap:11px;align-items:center;text-align:left;background:#fff;border:1px solid var(--line);border-radius:7px;padding:12px;color:var(--ink)}.lab-session:hover{border-color:#9bb2b6}.lab-session.active{border-color:#0b5d57;box-shadow:0 0 0 1px #0b5d57;background:#f7fbfa}.lab-session>span{width:34px;height:34px;border-radius:5px;background:#eef3f5;color:#315e68;display:grid;place-items:center;font-size:11px;font-weight:800}.lab-session.active>span{background:#0b5d57;color:#fff}.lab-session strong,.lab-session small{display:block}.lab-session strong{font-size:13px;margin-top:2px}.lab-session small{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.lab-session i{font-style:normal;font-size:11px;color:#08766e;font-weight:700}.guided-labs .lab-shell{margin-top:0}.document-file{min-width:130px}.document-file span{width:48px;height:54px;margin:auto auto 7px;border:1px solid #aebcc6;border-radius:4px;background:#eaf0f5;color:#315e68;display:grid;place-items:center;font-size:10px!important;font-weight:800}.document-file small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.computer-bar span{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em}
@media(max-width:680px){.lab-session-tabs{grid-template-columns:1fr}.guided-lab-head{align-items:flex-start;gap:10px}.lab-session{grid-template-columns:34px 1fr auto}}

/* Complete virtual activity library — v14 */
.virtual-catalogue{margin:34px 0}.virtual-catalogue .guided-lab-head p{margin:5px 0 0;color:var(--muted);font-size:13px}.activity-domain-filters{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0}.virtual-activity-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.virtual-activity-card{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:start;text-align:left;border:1px solid var(--line);background:#fff;border-radius:7px;padding:13px;color:var(--ink);min-height:126px}.virtual-activity-card:hover{border-color:#97afb4;box-shadow:0 2px 7px rgba(16,24,40,.06)}.virtual-activity-card>span{width:31px;height:31px;display:grid;place-items:center;border-radius:5px;background:#eef3f5;color:#315e68;font-size:10px;font-weight:800}.virtual-activity-card small,.virtual-activity-card strong{display:block}.virtual-activity-card small{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.04em}.virtual-activity-card strong{font-size:13px;margin-top:3px}.virtual-activity-card p{color:var(--muted);font-size:11px;line-height:1.4;margin:6px 0 0}.virtual-activity-card>i{font-style:normal;font-size:10px;color:#08766e;font-weight:700}.virtual-activity-card>i.complete{color:#287a45}.virtual-dialog{width:min(720px,100%)}.virtual-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.virtual-dialog-head h2{margin:5px 0 0}.simulation-screen{border:1px solid #c9d1d9;border-radius:7px;background:#f6f8fa;overflow:hidden;min-height:300px}.simulation-toolbar{height:38px;background:#233b4d;color:#fff;padding:0 13px;display:flex;align-items:center;justify-content:space-between;font-size:11px}.simulation-toolbar small{opacity:.72}.sequence-progress{height:5px;background:#e1e6eb}.sequence-progress span{display:block;height:100%;background:#0b756d;transition:.2s}.virtual-instruction{padding:14px 18px 0;margin:0;color:#475467;font-size:13px}.virtual-actions,.virtual-choices{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:17px}.virtual-action,.virtual-choice{border:1px solid #d0d5dd;background:#fff;border-radius:6px;padding:12px;text-align:left;color:#344054}.virtual-action{display:flex;align-items:center;gap:9px}.virtual-action b{width:23px;height:23px;display:grid;place-items:center;border-radius:4px;background:#edf2f4;font-size:10px}.virtual-action.done{background:#edf8f2;border-color:#a9d8ba;color:#247447}.virtual-choice.correct{background:#edf8f2;border-color:#62a878}.virtual-choice.wrong{background:#fff0ef;border-color:#e39b94}.virtual-workspace{max-width:500px;margin:35px auto;padding:20px}.virtual-workspace label{display:block;font-size:12px;font-weight:700;margin-bottom:7px}.virtual-workspace input{width:100%;height:42px;border:1px solid #bcc6cf;border-radius:6px;padding:10px;margin-bottom:5px}.virtual-workspace .primary{margin-top:10px}.virtual-footer{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:13px}.virtual-footer>span{font-size:12px;color:var(--muted)}
@media(max-width:1050px){.virtual-activity-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.virtual-activity-grid,.virtual-actions,.virtual-choices{grid-template-columns:1fr}.virtual-activity-card{grid-template-columns:31px 1fr}.virtual-activity-card>i{grid-column:2}.virtual-footer{align-items:flex-start;flex-direction:column}.virtual-dialog{max-height:92vh;overflow:auto}}

/* Virtual desktop activity environments — v16 */
.virtual-activity-card[hidden]{display:none!important}.virtual-dialog{width:min(920px,96vw)}.simulation-screen{background:#162f3b;border-color:#324b58}.virtual-desktop-shell{padding:12px}.virtual-wallpaper{position:relative;min-height:470px;border-radius:5px;overflow:hidden;background:linear-gradient(140deg,#235764,#3d7881 58%,#84aab0);padding:24px 30px 50px}.virtual-shortcuts{position:absolute;left:12px;top:16px;display:grid;gap:13px;color:#fff;font-size:9px;text-align:center}.virtual-shortcuts span{display:grid;width:54px;justify-items:center;gap:3px}.virtual-shortcuts b{width:33px;height:31px;border-radius:4px;background:rgba(255,255,255,.92);color:#285766;display:grid;place-items:center;font-size:9px}.virtual-app-window{position:relative;margin:0 18px 0 68px;background:#fff;min-height:380px;border-radius:5px;overflow:hidden;box-shadow:0 14px 34px rgba(7,26,34,.34)}.virtual-window-title{height:35px;display:flex;align-items:center;justify-content:space-between;padding:0 11px;background:#f7f8fa;border-bottom:1px solid #dfe3e8;font-size:11px}.virtual-window-title span{display:flex;align-items:center;gap:7px;font-weight:700}.virtual-window-title span b{width:22px;height:22px;display:grid;place-items:center;border-radius:3px;background:#0b5d57;color:#fff;font-size:8px}.virtual-window-title i{font-style:normal;color:#667085;letter-spacing:.25em}.virtual-ribbon{min-height:38px;display:flex;align-items:center;gap:6px;padding:6px 10px;background:#fff;border-bottom:1px solid #e5e7eb}.virtual-ribbon>span{border-right:1px solid #e3e6ea;padding:4px 8px 4px 3px;font-size:9px;color:#475467}.virtual-ribbon .address-sim{flex:1;border:1px solid #d0d5dd;border-radius:12px;padding:5px 10px;color:#667085;font-size:9px}.virtual-location{padding:7px 12px;background:#f8fafb;border-bottom:1px solid #e4e7ec;color:#667085;font-size:9px}.virtual-app-body{min-height:295px;background:#fff;overflow:auto}.virtual-app-body.word-processing{margin:12px auto;background:#f2f4f7;padding:15px 22px}.virtual-app-body.word-processing>*{background:#fff}.virtual-app-body.spreadsheet{background-image:linear-gradient(#e4e7ec 1px,transparent 1px),linear-gradient(90deg,#e4e7ec 1px,transparent 1px);background-size:28px 24px}.virtual-app-body.internet-skills{background:#f8fafc}.virtual-app-body.hardware{background:#edf2f4}.virtual-os-taskbar{position:absolute;bottom:0;left:0;right:0;height:36px;background:rgba(15,29,36,.94);color:#dbe4e7;display:flex;align-items:center;gap:17px;padding:0 12px;font-size:9px}.virtual-os-taskbar b{background:#0b756d;padding:5px 7px;border-radius:3px}.virtual-os-taskbar time{margin-left:auto}.procedure-trail{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:13px 17px 2px}.procedure-trail span{display:flex;gap:6px;align-items:center;border:1px solid #dfe3e8;border-radius:5px;padding:7px;background:#f8fafb;color:#98a2b3;font-size:9px}.procedure-trail span b{width:18px;height:18px;border-radius:3px;background:#e8ecf0;display:grid;place-items:center;font-size:8px}.procedure-trail span.done{background:#edf8f2;border-color:#b7dec5;color:#247447}.procedure-trail span.current{border-color:#6da19d;color:#0b5d57;background:#f1f9f8}.virtual-action b{width:auto;padding:4px 6px}.virtual-actions{padding-top:10px}.simulation-toolbar{background:#102b37}
@media(max-width:680px){.virtual-dialog{width:100%}.virtual-desktop-shell{padding:7px}.virtual-wallpaper{min-height:440px;padding:14px 8px 45px}.virtual-shortcuts{display:none}.virtual-app-window{margin:0;min-height:360px}.procedure-trail{grid-template-columns:1fr 1fr}.virtual-ribbon{overflow-x:auto}.virtual-app-body{min-height:275px}}

/* Authentic Word practical — v17 */
.word-lab-dialog{width:min(980px,96vw)}.word-practical-screen{min-height:520px;border:8px solid #172a34;border-radius:8px;background:#08151c;overflow:hidden;box-shadow:0 14px 32px rgba(15,23,42,.24)}.pc-off{height:504px;display:grid;place-content:center;justify-items:center;color:#8fa2ac;gap:18px}.pc-off button{width:82px;height:82px;border:2px solid #54717d;border-radius:50%;background:#11252e;color:#b9c9cf;display:grid;place-items:center}.pc-off button i{width:26px;height:26px;border:3px solid currentColor;border-top-color:transparent;border-radius:50%;position:relative}.pc-off button i:after{content:'';position:absolute;width:3px;height:14px;background:currentColor;top:-8px;left:9px}.pc-off button span{font-size:9px}.pc-login{height:504px;display:grid;place-content:center;justify-items:center;gap:12px;color:#fff;background:linear-gradient(135deg,#27606a,#173f55)}.login-avatar{width:78px;height:78px;border-radius:50%;background:rgba(255,255,255,.9);color:#315e68;display:grid;place-items:center;font-size:21px;font-weight:800}.real-desktop{height:504px;position:relative;background:linear-gradient(135deg,#316978,#69a0a5);overflow:hidden}.desktop-wallpaper{padding:20px;display:flex;gap:15px}.real-desktop-icon{width:72px;border:0;background:transparent;color:#fff;font-size:10px;text-shadow:0 1px 2px #000;display:grid;justify-items:center;gap:4px}.real-desktop-icon b{width:42px;height:39px;border-radius:5px;background:#f1f5f6;color:#275563;display:grid;place-items:center;text-shadow:none}.real-taskbar{position:absolute;bottom:0;left:0;right:0;height:42px;background:rgba(10,24,31,.94);display:flex;align-items:center;color:#dce6e9}.real-taskbar button{align-self:stretch;border:0;background:#0b5d57;color:#fff;padding:0 15px}.real-taskbar>span{margin-left:8px;background:#fff;color:#667085;border-radius:3px;padding:7px 45px 7px 12px;font-size:10px}.real-taskbar time{margin-left:auto;margin-right:13px;font-size:9px}.real-start-menu{position:absolute;bottom:42px;left:0;width:330px;background:#f7f9fa;box-shadow:4px -4px 20px rgba(0,0,0,.25);padding:14px;z-index:2}.start-user{display:flex;align-items:center;gap:9px;padding:4px 4px 12px;font-weight:700}.start-user span{width:27px;height:27px;border-radius:50%;background:#315e68;color:#fff;display:grid;place-items:center;font-size:9px}.real-start-menu>button{display:flex;width:100%;align-items:center;gap:10px;border:0;background:transparent;padding:9px;text-align:left}.real-start-menu>button:hover{background:#e7eef0}.real-start-menu>button>b{width:34px;height:34px;border-radius:4px;background:#2359a5;color:#fff;display:grid;place-items:center}.real-start-menu strong,.real-start-menu small{display:block}.real-start-menu small{color:#667085;margin-top:2px}.word-launch{height:504px;background:#f3f4f7;padding:60px}.word-brand{display:flex;align-items:center;gap:12px;color:#204f94;font-size:20px;font-weight:700}.word-brand b{width:45px;height:45px;background:#2359a5;color:#fff;display:grid;place-items:center}.word-launch h3{margin:35px 0 15px}.word-launch>button{width:150px;border:1px solid #ccd3db;background:#fff;padding:10px;text-align:left}.word-launch>button span{display:block;height:125px;background:#fff;border:1px solid #e2e5e9;margin-bottom:8px}.real-word{height:504px;background:#edf0f3;display:grid;grid-template-rows:34px 31px 58px 1fr 24px}.word-titlebar{background:#2359a5;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 10px;font-size:10px}.word-titlebar b{background:#fff;color:#2359a5;padding:4px}.word-titlebar i{font-style:normal;letter-spacing:.3em}.word-tabs{display:flex;align-items:center;gap:18px;padding:0 12px;background:#fff;color:#344054;font-size:10px;border-bottom:1px solid #dfe3e8}.word-tabs b{background:#2359a5;color:#fff;align-self:stretch;display:grid;place-items:center;padding:0 12px;margin-left:-12px}.word-ribbon{background:#fff;border-bottom:1px solid #ccd3da;display:flex;align-items:center;gap:5px;padding:8px 12px}.word-ribbon button,.word-ribbon select{height:31px;min-width:34px;border:1px solid #d7dce2;background:#fff;border-radius:3px}.word-ribbon button.active{background:#cfe0f6;border-color:#6c99cf}.word-ribbon .save-control{margin-left:auto;padding:0 18px;background:#2359a5;color:#fff;border-color:#2359a5}.word-canvas{overflow:auto;padding:18px 10%;background:#dde1e6}.word-canvas textarea{display:block;width:100%;min-height:285px;border:0;background:#fff;box-shadow:0 2px 9px rgba(16,24,40,.16);padding:38px 46px;resize:none;font:14px/1.7 Calibri,Arial,sans-serif;outline:none}.word-status{display:flex;justify-content:space-between;align-items:center;padding:0 10px;background:#fff;color:#667085;font-size:9px}.word-practical-status{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;margin-top:12px;font-size:11px;color:#667085}.word-practical-status>div{height:6px;background:#e2e6ea;border-radius:3px;overflow:hidden}.word-practical-status>div i{display:block;height:100%;background:#0b756d}.word-practical-status>b{color:#344054}
@media(max-width:680px){.word-lab-dialog{width:100%;max-height:95vh;overflow:auto}.word-practical-screen,.pc-off,.pc-login,.real-desktop,.word-launch,.real-word{height:430px}.word-launch{padding:30px}.word-canvas{padding:10px}.word-canvas textarea{min-height:250px;padding:22px}.real-start-menu{width:290px}.word-practical-status{grid-template-columns:auto 1fr auto}.word-practical-status button{grid-column:1/-1}.real-taskbar>span{display:none}}

/* Hands-on simulation controls for all activities — v18 */
.hands-on-stage{min-height:295px}.hands-on-brief{display:grid;grid-template-columns:1fr auto;gap:5px;padding:11px 14px;border-bottom:1px solid #e3e7eb;background:#f8fafb;font-size:10px}.hands-on-brief span{color:var(--muted)}.hands-on-brief .mini-progress{grid-column:1/-1}.context-workspace{display:grid;grid-template-columns:120px 1fr;min-height:215px}.context-workspace>aside{background:#f2f4f6;border-right:1px solid #dde2e7;padding:8px}.context-workspace>aside button{display:block;width:100%;border:0;background:transparent;text-align:left;padding:7px 6px;color:#475467;font-size:9px}.context-surface{padding:18px;display:flex;align-content:flex-start;align-items:flex-start;gap:12px;flex-wrap:wrap;background:#fff}.context-control{min-width:110px;max-width:175px;border:1px solid #d7dce1;background:#fff;border-radius:5px;padding:10px;text-align:left;display:grid;gap:6px;color:#344054}.context-control:hover{background:#edf6f5;border-color:#68a19d}.context-control>span{width:38px;height:34px;border-radius:4px;background:#e7eef1;color:#315e68;display:grid;place-items:center;font-size:8px;font-weight:800}.context-control>b{font-size:10px;line-height:1.35}.context-control.tool-control{min-width:auto;background:#f8fafb}.context-control.tool-control>span{width:28px;height:26px}.context-control.menu-control{background:#f0f5fa}.context-control.object-control>span{height:42px;background:#e5eff3}.interaction-note{margin:0;padding:8px 14px;background:#f8fafb;border-top:1px solid #e7eaee;color:#667085;font-size:9px}.practice-word-page{background:#e1e5e9;padding:0 12% 14px;min-height:295px}.mini-word-ribbon{height:42px;margin:0 -14% 14px;padding:6px 15px;background:#fff;border-bottom:1px solid #d0d5db;display:flex;align-items:center;gap:5px}.mini-word-ribbon button{width:31px;height:29px;border:1px solid #d9dee3;background:#fff}.mini-word-ribbon span{color:#667085;font-size:9px;margin-left:7px}.practice-word-page textarea{width:100%;min-height:185px;border:0;background:#fff;box-shadow:0 2px 7px rgba(16,24,40,.15);padding:25px;resize:none;font:13px/1.6 Calibri,Arial}.practice-word-page>.primary{margin-top:8px}.practice-sheet{min-height:295px;background:#fff}.formula-row{display:flex;align-items:center;gap:6px;padding:7px;border-bottom:1px solid #d9dee4}.formula-row>span{font-style:italic;color:#667085}.formula-row input{flex:1;height:31px;border:1px solid #cfd5dc;padding:6px}.formula-row .primary{min-height:31px}.sheet-grid{display:grid;grid-template-columns:35px repeat(4,1fr);grid-auto-rows:31px;font-size:9px}.sheet-grid>*{border-right:1px solid #e0e4e8;border-bottom:1px solid #e0e4e8;padding:7px}.sheet-grid>b{background:#f2f4f6;text-align:center}.selected-cell{outline:2px solid #168166;outline-offset:-2px}.practice-browser{min-height:295px;background:#f7f9fb;padding:35px 12%}.browser-search{display:flex;align-items:center;border:1px solid #bfc8d0;border-radius:22px;background:#fff;padding:4px 5px 4px 13px}.browser-search input{flex:1;border:0;outline:0;padding:8px}.browser-search .primary{border-radius:17px;min-height:31px}.search-home{text-align:center;color:#667085;padding:45px 15px}.search-home b{color:#315e68;font-size:20px}.practice-notepad{min-height:295px;padding:0 12px 12px;background:#fff}.notepad-title{margin:0 -12px 8px;padding:7px 10px;background:#f3f5f7;border-bottom:1px solid #dfe3e7;font-size:9px}.practice-notepad textarea{width:100%;min-height:190px;border:1px solid #d5dbe0;padding:14px;resize:none}.practice-notepad .primary{margin-top:7px}.choice-workspace{min-height:295px;padding:15px;background:#f8fafb}.context-choices{display:grid;grid-template-columns:1fr 1fr;gap:8px}.context-choices .virtual-choice{display:flex;align-items:center;gap:9px}.context-choices .virtual-choice>span{min-width:42px;height:31px;border-radius:4px;background:#e8eef1;display:grid;place-items:center;font-size:7px;color:#315e68;font-weight:800}.context-choices .virtual-choice>b{font-size:10px;line-height:1.35}.motherboard-sim{height:105px;position:relative;border:5px solid #315e56;border-radius:6px;background:#5d8e79;margin-bottom:12px;color:#fff}.motherboard-sim i{position:absolute;font-style:normal;font-size:8px;border:2px solid #d7c27c;background:#314f49;padding:10px}.motherboard-sim .cpu{left:38%;top:25px}.motherboard-sim .ram{left:65%;top:10px;height:70px}.motherboard-sim .psu{left:8%;top:18px}.motherboard-sim .slots{left:32%;bottom:7px;padding:4px 35px}.browser-warning{border:1px solid #d0d6dc;background:#fff;border-radius:5px;padding:10px;margin-bottom:9px}.browser-warning span{display:block;color:#315e68;font-weight:800;font-size:10px}.browser-warning div{font-size:9px;color:#667085;margin-top:3px}.sheet-preview{display:grid;grid-template-columns:1fr 1fr;width:230px;margin:0 auto 10px;border:1px solid #cfd6dc}.sheet-preview>*{padding:7px;border:1px solid #e0e4e8;font-size:9px}.sheet-preview b{background:#edf3f4}.format-preview{background:#fff;border:1px solid #d8dde2;padding:12px;margin-bottom:8px}.format-preview span{font-size:8px;color:#667085}.format-preview p{margin:6px 0 0;background:#dceafb;padding:4px;font-size:10px}
@media(max-width:680px){.context-workspace{grid-template-columns:1fr}.context-workspace>aside{display:flex;overflow:auto}.context-workspace>aside button{width:auto}.context-surface{padding:10px}.context-control{min-width:90px}.context-choices{grid-template-columns:1fr}.practice-word-page{padding-left:5%;padding-right:5%}.practice-browser{padding:25px 5%}}

/* Stateful launch workflow for every practical — v19 */
.scenario-screen{background:#08151c}.scenario-application{height:504px;background:#dfe5e9;padding:10px;overflow:auto}.scenario-app-header{height:34px;background:#fff;border-radius:5px 5px 0 0;border-bottom:1px solid #d5dbe0;display:flex;align-items:center;justify-content:space-between;padding:0 10px;font-size:10px}.scenario-app-header span{display:flex;align-items:center;gap:7px;font-weight:700}.scenario-app-header span b{width:22px;height:22px;border-radius:3px;background:#0b5d57;color:#fff;display:grid;place-items:center;font-size:8px}.scenario-app-header i{font-style:normal;color:#667085;letter-spacing:.25em}.scenario-application .virtual-desktop-shell{padding:0}.scenario-application .virtual-wallpaper{min-height:440px;border-radius:0;padding-top:12px}.scenario-application .virtual-app-window{min-height:360px}.scenario-application .virtual-app-body{min-height:275px}
@media(max-width:680px){.scenario-application{height:430px;padding:5px}.scenario-application .virtual-wallpaper{min-height:380px}.scenario-application .virtual-app-window{min-height:320px}}

.virtual-manager-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:24px 0 16px}.virtual-manager-toolbar .activity-domain-filters{margin:0}.virtual-manager-toolbar label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:700;min-width:180px}.virtual-manager-toolbar select{background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px 34px 10px 12px}
.teacher-virtual-grid{display:grid;gap:12px}.teacher-virtual-card{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:18px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,35,62,.035)}.teacher-virtual-index{width:42px;height:42px;border-radius:10px;background:#eef3fa;color:#244565;display:grid;place-items:center;font-size:12px;font-weight:800}.virtual-card-meta{display:flex;align-items:center;gap:8px;margin-bottom:5px}.virtual-card-meta span{color:#275b87;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.virtual-card-meta i{font-style:normal;color:var(--muted);font-size:11px}.teacher-virtual-main h3{margin:0 0 6px;font-size:16px}.teacher-virtual-main>p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.teacher-virtual-actions{display:flex;gap:8px}.teacher-virtual-actions button{padding:9px 13px}.assignment-pills{display:flex;flex-wrap:wrap;gap:6px;min-height:27px;margin-top:12px;align-items:center}.assignment-pills>small{color:#8b98a8}.assignment-pill{border:0;border-radius:999px;background:#e8f4ed;color:#25633e;font-size:11px;font-weight:700;padding:6px 9px;cursor:pointer}.virtual-performance{display:flex;gap:18px;margin-top:12px;color:var(--muted);font-size:12px}.virtual-performance strong{color:#20364d}
.practical-preview{max-width:720px}.preview-desktop{border:1px solid #223b59;border-radius:10px;overflow:hidden;background:#17456d;margin:18px 0}.preview-desktop-bar{background:#172b40;color:#e9f1f8;padding:10px 14px;font-size:12px;font-weight:700;display:flex;justify-content:space-between}.preview-desktop-bar span{color:#94c4e9}.preview-app-window{margin:36px auto;background:#fff;width:78%;min-height:150px;border-radius:8px;padding:22px;box-shadow:0 14px 30px rgba(0,0,0,.24)}.preview-app-window b{color:#174f80}.preview-app-window p{color:#5e7083;line-height:1.6}.preview-flow{display:grid;gap:9px;padding-left:22px}.preview-flow li{padding-left:5px;color:#43576b}
.practical-evidence{margin-top:28px}.domain-mastery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:15px}.domain-mastery article{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px}.domain-mastery span,.domain-mastery small{display:block;color:var(--muted);font-size:11px}.domain-mastery strong{display:block;font-size:20px;margin:7px 0}.practical-evidence-row{display:grid;grid-template-columns:1.2fr 1.8fr 1.1fr .6fr .8fr .55fr .8fr;gap:12px;align-items:center;padding:13px 16px;border-bottom:1px solid var(--border);font-size:12px}.practical-evidence-row>span small{display:block;color:var(--muted);margin-top:3px}.evidence-head{background:#f6f8fb;color:#657689;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.teacher-practical-summary{margin-top:24px}.practice-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}.practice-summary-grid article{background:#173f63;color:white;border-radius:10px;padding:17px}.practice-summary-grid strong{display:block;font-size:24px}.practice-summary-grid span{display:block;color:#c7d7e6;font-size:11px;margin-top:3px}.recent-practicals{max-width:none}
@media(max-width:900px){.virtual-manager-toolbar{align-items:stretch;flex-direction:column}.teacher-virtual-card{grid-template-columns:42px 1fr}.teacher-virtual-actions{grid-column:2}.domain-mastery,.practice-summary-grid{grid-template-columns:repeat(2,1fr)}.practical-evidence-row{min-width:850px}.practical-evidence .table-card{overflow:auto}}
@media(max-width:560px){.teacher-virtual-card{grid-template-columns:1fr}.teacher-virtual-index,.teacher-virtual-actions{grid-column:1}.teacher-virtual-actions button{flex:1}.domain-mastery,.practice-summary-grid{grid-template-columns:1fr}}

[hidden]{display:none!important}

/* Bound the reader to the visible screen, including mobile browser toolbars. */
.modal{overflow-y:auto;overscroll-behavior:contain}
.modal>.material-dialog{min-height:0;max-height:calc(100vh - 40px);max-height:calc(100dvh - 40px);overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;overflow-wrap:anywhere;-webkit-overflow-scrolling:touch}
.material-dialog .lesson-body{white-space:pre-wrap;overflow-wrap:anywhere}
.material-dialog>.dialog-actions{position:sticky;bottom:-25px;background:var(--paper);padding:14px 0;margin-bottom:-10px;z-index:1}
@media(max-width:560px){.modal:has(>.material-dialog){padding:10px}.modal>.material-dialog{max-height:calc(100vh - 20px);max-height:calc(100dvh - 20px)}}