@import"https://fonts.googleapis.com/css2?family=Barlow:wght@300;400;500;600;700;800&family=Barlow+Condensed:wght@500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap";@import"https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Lexend:wght@300;400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@600;700;800;900&display=swap";.public-lesson-topbar{min-height:58px;width:100%;display:flex;align-items:center;gap:16px;padding:10px 24px;background:#07192efa;border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 1px #1f6feb66,0 4px 24px #00000047;position:fixed;top:0;left:0;right:0;z-index:1000;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.lesson-page-with-public-topbar{padding-top:58px;box-sizing:border-box}.public-lesson-brand{flex:0 0 auto;display:flex;align-items:center;gap:12px;min-width:0;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left}.public-lesson-brand-mark{flex:0 0 auto;width:3px;height:30px;background:linear-gradient(180deg,#60a5fa,#1f6feb);border-radius:2px;box-shadow:0 0 12px #60a5fa80}.public-lesson-brand-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;line-height:1}.public-lesson-brand-title{display:block;color:#f0f6ff;font-size:13px;font-weight:800;letter-spacing:.12em;line-height:1;font-family:Plus Jakarta Sans,system-ui,sans-serif;text-transform:uppercase}.public-lesson-brand-subtitle{display:block;margin-top:3px;color:#60a5fa;font-size:10px;font-weight:700;letter-spacing:.22em;line-height:1;text-transform:uppercase;font-family:Plus Jakarta Sans,system-ui,sans-serif}.public-lesson-topbar-title{flex:0 1 auto;color:#94a3b8;font-size:12px;font-weight:600;letter-spacing:.1em;line-height:1;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.public-lesson-topbar-spacer{flex:1 1 auto;min-width:12px}.public-lesson-topbar-badge{flex:0 0 auto;border:1px solid rgba(96,165,250,.35);background:#60a5fa14;color:#93c5fd;border-radius:999px;padding:5px 12px;font-size:11px;font-weight:700;letter-spacing:.08em;line-height:1;text-transform:uppercase;white-space:nowrap}@media (max-width: 820px){.public-lesson-topbar{gap:10px;padding:10px 12px}.public-lesson-topbar-title,.public-lesson-topbar-badge{display:none}}.teu-math-input{display:flex;align-items:center;background:#fff;border:1.5px solid #e2e8f0;border-radius:8px;overflow:hidden;transition:border-color .15s,box-shadow .15s;min-height:40px}.teu-math-input:focus-within{border-color:#93c5fd;box-shadow:0 0 0 3px #93c5fd40}.teu-math-input[data-disabled=true]{background:#f8fafc;pointer-events:none;opacity:.7}.teu-math-input__swatch{flex-shrink:0;width:4px;align-self:stretch}.teu-math-input__field{flex:1;min-width:0;padding:6px 10px;cursor:text;position:relative}.teu-math-input__field:has(math-field:not([data-value])):before,.teu-math-input__field[data-placeholder]:empty:before{content:attr(data-placeholder);color:#94a3b8;font-size:14px;pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.teu-math-input__field math-field{display:block;width:100%;min-height:28px;font-size:16px;--keyboard-zindex: 9999;border:none!important;outline:none!important;background:transparent!important;padding:0!important}.teu-math-input__remove{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;margin-right:4px;background:transparent;border:none;color:#94a3b8;font-size:18px;line-height:1;cursor:pointer;border-radius:4px;transition:color .12s,background .12s}.teu-math-input__remove:hover{color:#ef4444;background:#fee2e2}.ML__keyboard{z-index:9999!important}.teu-math-inline{display:inline-flex;align-items:baseline;vertical-align:baseline;color:inherit;font:inherit}.teu-math-display{display:flex;justify-content:center;width:100%;margin:.75em 0;overflow-x:auto;color:inherit}.teu-math-inline math-field,.teu-math-display math-field,.teu-math-inline__field,.teu-math-display__field{color:inherit;font-size:inherit;background:transparent!important;border:none!important;padding:0!important;outline:none!important;--keyboard-zindex: 9999}.teu-math-inline math-field::part(virtual-keyboard-toggle),.teu-math-display math-field::part(virtual-keyboard-toggle),.teu-math-inline math-field::part(menu-toggle),.teu-math-display math-field::part(menu-toggle){display:none}.lesson-page .equation .teu-math-display{margin:0}:root,:root[data-platform-theme=light]{--platform-bg: #f9fafb;--platform-bg-gradient: #f9fafb;--platform-panel: #ffffff;--platform-panel-strong: #f9fafb;--platform-soft: #f3f4f6;--platform-soft-2: #eff6ff;--platform-text: #111827;--platform-heading: #07192e;--platform-muted: #6b7280;--platform-border: #e5e7eb;--platform-border-soft: #f3f4f6;--platform-accent: #1f6feb;--platform-accent-hover: #1a5fcd;--platform-accent-soft: #eff6ff;--platform-accent-contrast: #ffffff;--platform-teal: #0d9488;--platform-success: #0d9488;--platform-success-soft: #f0fdfa;--platform-danger: #b91c1c;--platform-danger-soft: #fef2f2;--platform-warning-soft: #fffbeb;--platform-shadow-soft: 0 2px 8px rgba(7, 25, 46, .07), 0 8px 32px rgba(7, 25, 46, .07);--platform-shadow-card: 0 2px 8px rgba(7, 25, 46, .06);--platform-shadow-modal: 0 8px 32px rgba(7, 25, 46, .14), 0 24px 64px rgba(7, 25, 46, .12)}:root[data-platform-theme=dark]{--platform-bg: #07192e;--platform-bg-gradient: #07192e;--platform-panel: rgba(255, 255, 255, .05);--platform-panel-strong: rgba(255, 255, 255, .08);--platform-soft: rgba(255, 255, 255, .04);--platform-soft-2: rgba(31, 111, 235, .12);--platform-text: #e2e8f0;--platform-heading: #f0f6ff;--platform-muted: #94a3b8;--platform-border: rgba(255, 255, 255, .08);--platform-border-soft: rgba(255, 255, 255, .05);--platform-accent: #60a5fa;--platform-accent-hover: #93c5fd;--platform-accent-soft: rgba(31, 111, 235, .15);--platform-accent-contrast: #07101f;--platform-teal: #34d399;--platform-success: #34d399;--platform-success-soft: rgba(13, 148, 136, .15);--platform-danger: #f87171;--platform-danger-soft: rgba(185, 28, 28, .2);--platform-warning-soft: rgba(217, 119, 6, .15);--platform-shadow-soft: none;--platform-shadow-card: none;--platform-shadow-modal: 0 8px 32px rgba(0, 0, 0, .4), 0 24px 64px rgba(0, 0, 0, .3)}:root[data-platform-display-style=classic],:root{--dashboard-radius-lg: 0px;--dashboard-radius-md: 0px;--dashboard-radius-sm: 6px;--dashboard-gap-lg: 0px;--dashboard-gap-md: 0px;--dashboard-gap-sm: 8px;--dashboard-padding-lg: 20px;--dashboard-padding-md: 14px;--dashboard-padding-sm: 10px;--dashboard-shadow: none;--dashboard-card-shadow: none;--dashboard-shell-pad: 32px}:root[data-platform-display-style=dense]{--dashboard-radius-lg: 0px;--dashboard-radius-md: 0px;--dashboard-radius-sm: 6px;--dashboard-gap-lg: 0px;--dashboard-gap-md: 0px;--dashboard-gap-sm: 8px;--dashboard-padding-lg: 20px;--dashboard-padding-md: 14px;--dashboard-padding-sm: 10px;--dashboard-shadow: none;--dashboard-card-shadow: none}*{box-sizing:border-box}.course-dashboard{min-height:100vh;background:var(--platform-bg);color:var(--platform-text);padding:var(--dashboard-shell-pad);font-family:Inter,Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--platform-border)}.dashboard-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap}.dashboard-eyebrow,.module-label,.settings-section-label{color:var(--platform-teal, #0d9488);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;margin-bottom:8px;font-family:Inter,system-ui,sans-serif}.dashboard-header h1{margin:0;color:var(--platform-heading);font-size:clamp(32px,3.5vw,48px);line-height:.97;letter-spacing:-.04em;font-family:Plus Jakarta Sans,system-ui,sans-serif;font-weight:800}.dashboard-header p,.course-detail p,.module-card p,.course-panel p,.course-card span,.lesson-card span,.library-lesson-card span,.library-modal-header p,.empty-state{color:var(--platform-muted);line-height:1.55}.dashboard-header p,.course-detail p,.module-card p,.course-panel p{margin:8px 0 0}.error-banner{margin-bottom:18px;border:1px solid rgba(220,38,38,.25);background:var(--platform-danger-soft);color:var(--platform-danger);border-radius:14px;padding:12px 14px;font-weight:750}.dashboard-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:0;align-items:start;width:calc(100% + var(--dashboard-shell-pad));margin-left:calc(-1 * var(--dashboard-shell-pad))}.course-panel,.course-detail,.module-card,.library-modal,.metadata-modal{background:var(--platform-panel);color:var(--platform-text);border:1px solid var(--platform-border);box-shadow:none}.course-panel,.course-detail{border-radius:0;padding:0}.course-detail{border:none;box-shadow:none;background:var(--platform-panel)}.course-panel{align-self:start;position:sticky;top:58px;z-index:10;border-right:1px solid var(--platform-border);border-radius:0;border-top:none;border-left:none;border-bottom:none;min-height:calc(100vh - 58px)}.course-panel>.course-list,.course-panel>.empty-state{padding:0}.modal-backdrop,.teu-interactive-modal{z-index:1001}.panel-header,.module-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.panel-header{margin-bottom:18px}.panel-header h2,.course-title-row h2,.module-header h3,.library-modal-header h3,.metadata-modal-header h3,.library-category h4,.course-card strong,.lesson-card strong,.library-lesson-card strong{color:var(--platform-heading)}.panel-header h2,.course-title-row h2,.module-header h3,.library-modal-header h3,.metadata-modal-header h3{margin:0;letter-spacing:-.035em}.lesson-list{display:block;margin:0}.course-list,.module-list,.library-category-list,.library-lesson-list{display:grid;gap:6px}.course-list{gap:1px}.module-list{gap:12px}.course-card{width:100%;text-align:left;border:none;border-top:3px solid transparent;background:var(--platform-panel);color:var(--platform-text);border-radius:0;padding:8px 12px;cursor:pointer;transition:border-color .12s ease,background .12s ease;position:relative}.course-card:hover{border-top-color:var(--platform-accent);background:var(--platform-soft)}.course-card.active{border-top-color:var(--platform-accent);background:var(--platform-accent-soft)}.course-card strong,.library-lesson-card strong{display:block;font-size:15px}.course-card span,.lesson-card span,.library-lesson-card span{display:block;font-size:13px;margin-top:4px}.course-card-meta{font-size:12px!important;margin-top:6px!important}.course-title-row.hero-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:16px 20px;background:var(--platform-panel);border:none;border-bottom:1px solid var(--platform-border);border-radius:0;padding:20px;margin-bottom:0}.hero-card-info{min-width:0}.hero-card-right{display:flex;flex-direction:column;align-items:flex-end;gap:12px}.course-action-bar{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end;border-top:none;padding-top:0}.course-heading-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.course-heading-line h2{margin:0;font-size:28px}.course-metadata-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.course-metadata-row span{display:inline-flex;align-items:center;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-muted);border-radius:999px;padding:5px 9px;font-size:12px;font-weight:750}.course-thumbnail-preview{width:150px;height:96px;object-fit:cover;border-radius:14px;border:1px solid var(--platform-border)}.cab-btn{display:inline-flex;align-items:center;gap:6px;border-radius:6px;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:600;padding:7px 12px;cursor:pointer;transition:background .12s,border-color .12s,color .12s;white-space:nowrap}.cab-btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.cab-btn svg{flex-shrink:0}.cab-preview{border:1px solid var(--platform-accent);background:var(--platform-accent);color:#fff}.cab-preview:hover:not(:disabled){background:var(--platform-accent-hover);border-color:var(--platform-accent-hover)}.cab-publish{border:1px solid rgba(34,197,94,.4);background:var(--platform-success-soft);color:var(--platform-success)}.cab-publish:hover:not(:disabled){background:#22c55e2e;border-color:var(--platform-success)}.cab-unpublish{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-muted)}.cab-unpublish:hover:not(:disabled){background:var(--platform-accent-soft);border-color:#60a5fa61;color:var(--platform-text)}.cab-new-module{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text)}.cab-new-module:hover:not(:disabled){background:var(--platform-accent-soft);border-color:#60a5fa61}.cab-divider{width:1px;height:24px;background:var(--platform-border-soft);flex-shrink:0;margin:0 2px}.cab-delete{border:1px solid rgba(220,38,38,.25);background:transparent;color:var(--platform-danger)}.cab-delete:hover:not(:disabled){background:var(--platform-danger-soft);border-color:#dc262673}.cab-overflow-wrap{position:relative;margin-left:auto}.cab-overflow-toggle{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-muted);padding:8px 10px}.cab-overflow-toggle:hover:not(:disabled){background:var(--platform-accent-soft);border-color:#60a5fa61;color:var(--platform-text)}.cab-overflow-toggle[aria-expanded=true]{background:var(--platform-accent-soft);border-color:#60a5fa61;color:var(--platform-accent)}.cab-overflow-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:98}.cab-overflow-menu{position:absolute;top:calc(100% + 4px);right:0;z-index:99;min-width:190px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:6px;padding:4px;box-shadow:0 4px 16px #0000001a;display:grid;gap:2px}.cab-overflow-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:8px 10px;border-radius:4px;border:none;background:transparent;color:var(--platform-text);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,color .12s}.cab-overflow-item:hover:not(:disabled){background:var(--platform-accent-soft);color:var(--platform-accent)}.cab-overflow-item:disabled{opacity:.5;cursor:not-allowed}.cab-overflow-item svg{flex-shrink:0;opacity:.7}.cab-overflow-danger{color:var(--platform-danger)}.cab-overflow-danger:hover:not(:disabled){background:var(--platform-danger-soft);color:var(--platform-danger)}.course-status,.lesson-status,.official-badge{display:inline-flex!important;width:fit-content;align-items:center;justify-content:center;border-radius:4px;padding:2px 6px;font-size:10px!important;font-weight:700;line-height:1;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--platform-border)}.course-status{background:var(--platform-soft);color:var(--platform-muted);margin-top:8px}.course-card .course-status{margin-top:6px}.course-status.draft,.lesson-status.draft{background:#60a5fa21;color:var(--platform-accent);border-color:#60a5fa4d}.course-status.published,.lesson-status.published{background:#22c55e21;color:var(--platform-success);border-color:#22c55e4d}.course-status.archived{background:#94a3b824;color:var(--platform-muted);border-color:var(--platform-border)}.official-badge{background:#fef3c7;color:#92400e!important;border-color:#fde68a}:root[data-platform-theme=dark] .official-badge{background:#3a2c0d;color:#fbbf24!important;border-color:#5f4616}.module-card{border-radius:0;padding:0;box-shadow:none;border-bottom:1px solid var(--platform-border)}.module-card:last-child{border-bottom:none}.module-header{padding:14px 20px;border-bottom:1px solid var(--platform-border-soft);margin-bottom:0}.module-header h3{font-size:24px}.module-actions,.lesson-actions{display:flex;gap:8px;align-items:center;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.module-actions button{white-space:nowrap}.lesson-info{display:flex;align-items:flex-start;gap:12px;min-width:0}.lesson-sequence-number{flex:0 0 auto;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--surface-2);border:1px solid var(--border-color);font-size:13px;font-weight:700}.lesson-group{margin-top:0}.lesson-group-title{color:var(--platform-muted);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:8px 14px 6px;border-bottom:1px solid var(--platform-border);background:var(--platform-soft)}.lesson-card,.library-lesson-card,.empty-state{background:var(--platform-panel);color:var(--platform-text);border:none;border-bottom:1px solid var(--platform-border)}.lesson-card,.library-lesson-card{display:flex;flex-direction:row;align-items:center;gap:0;border-radius:0}.lesson-info{flex:1 1 0;padding:9px 14px;min-width:0;border-right:1px solid var(--platform-border)}.lesson-controls{flex:0 0 auto;display:flex;align-items:center;padding:0 10px;border-right:1px solid var(--platform-border);background:var(--platform-soft);align-self:stretch}.lesson-controls label{display:flex;align-items:center;gap:6px;white-space:nowrap;margin:0;font-size:11px;font-weight:600;color:var(--platform-muted)}.lesson-controls select{height:28px;min-width:120px;max-width:160px;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:4px;padding:0 6px;font:inherit;font-size:12px;font-weight:600}.lesson-actions{flex:0 0 auto;display:flex;gap:5px;align-items:center;flex-wrap:nowrap;justify-content:flex-end;padding:7px 10px;background:var(--platform-panel)}.lesson-card strong{display:block;font-size:13px;font-weight:600;line-height:1.4}.lesson-actions button{min-height:28px;padding:3px 9px;font-size:12px}.lesson-meta-row{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-top:6px}.lesson-meta-row span{margin-top:0}.lesson-overflow-wrap{position:relative}.lesson-overflow-toggle{min-width:36px;padding-inline:10px;font-weight:800}.lesson-overflow-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:transparent}.lesson-overflow-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:21;min-width:150px;padding:4px;border:1px solid var(--platform-border);border-radius:6px;background:var(--platform-panel);box-shadow:0 8px 24px #0000001f}.lesson-overflow-menu button{width:100%;justify-content:flex-start;border:0;background:transparent}.lesson-overflow-menu button:hover{background:var(--platform-soft)}.empty-state{border-style:solid;border-radius:0;padding:14px 16px;border:none;border-bottom:1px solid var(--platform-border);background:var(--platform-soft)}.empty-state.large{display:grid;gap:4px;padding:20px 16px}.empty-state.compact{padding:10px 16px;font-size:14px}button{font-family:inherit}.primary-action,.secondary-action,.small-action,.publish-course-action,.danger-action,.module-actions button,.lesson-actions button,.metadata-modal-actions button,.library-modal button{border-radius:8px;font-weight:600;font-family:Inter,system-ui,sans-serif;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .12s ease,box-shadow .12s ease,opacity .15s ease}.primary-action,.publish-course-action{border:1px solid transparent;background:var(--platform-accent);color:#fff;padding:10px 16px;box-shadow:0 2px 10px #1f6feb47;font-weight:700}.primary-action:hover:not(:disabled),.publish-course-action:hover:not(:disabled){background:var(--platform-accent-hover);box-shadow:0 4px 16px #1f6feb61}.secondary-action,.small-action,.module-actions button,.lesson-actions button,.metadata-modal-actions button,.library-modal button{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);padding:8px 12px;box-shadow:none}.secondary-action:hover:not(:disabled),.small-action:hover:not(:disabled),.module-actions button:hover:not(:disabled),.lesson-actions button:hover:not(:disabled),.metadata-modal-actions button:hover:not(:disabled),.library-modal button:hover:not(:disabled){background:var(--platform-accent-soft);border-color:#1f6feb4d}.primary-action.compact,.secondary-action.compact,.small-action.compact,.publish-course-action.compact,.danger-action.compact{padding:7px 12px}.lesson-actions button.publish-action{border-color:#0d948859;background:var(--platform-success-soft);color:var(--platform-success)}.lesson-actions button.publish-action:hover:not(:disabled){background:#0d948826;border-color:var(--platform-success)}button.danger-soft,.lesson-actions button.danger-soft,.module-actions button.danger-soft,.danger-action{border:1px solid rgba(220,38,38,.25);background:transparent;color:var(--platform-danger);box-shadow:none}button.danger-soft:hover:not(:disabled),.lesson-actions button.danger-soft:hover:not(:disabled),.module-actions button.danger-soft:hover:not(:disabled),.danger-action:hover:not(:disabled){background:var(--platform-danger-soft);border-color:#dc262661}.library-action{background:var(--platform-panel)!important;color:var(--platform-text)!important;border-color:var(--platform-border)!important}button:disabled,select:disabled,input:disabled,textarea:disabled{opacity:.55;cursor:not-allowed;transform:none!important}.workspace-tabs{display:inline-flex;align-items:center;gap:0;margin-top:18px;border-bottom:2px solid var(--platform-border);background:transparent;border-radius:0;padding:0}.workspace-tab{border:0;border-bottom:2px solid transparent;margin-bottom:-2px;background:transparent;color:var(--platform-muted);border-radius:0;padding:8px 16px;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:color .12s,border-color .12s}.workspace-tab:hover{color:var(--platform-text);background:transparent}.workspace-tab.active{color:var(--platform-accent);background:transparent;border-bottom-color:var(--platform-accent);font-weight:700}.dashboard-style-switcher select{border:0;background:transparent;color:var(--platform-text);font:inherit;font-size:12px;font-weight:850;outline:none;cursor:pointer}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:32px;background:#0206179e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);overflow:auto}.library-modal,.metadata-modal{width:min(980px,100%);max-height:min(820px,92vh);overflow:auto;border-radius:24px;padding:24px;box-shadow:var(--platform-shadow-modal)}.library-modal-header,.metadata-modal-header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;border-bottom:1px solid var(--platform-border-soft);padding-bottom:16px;margin-bottom:20px}.library-category{display:grid;gap:12px}.library-category h4{margin:0;font-size:14px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.official-lesson-card{background:var(--platform-warning-soft)}.library-modal{width:min(1280px,96vw)}.official-lesson-card .lesson-info{flex-direction:column;align-items:stretch;gap:4px}.official-lesson-card .lesson-actions{flex-direction:column;align-items:stretch;flex:0 0 96px;gap:4px}.official-lesson-card .lesson-actions button{width:100%}.curriculum-standard-row{display:flex;flex-direction:column;align-items:flex-start;gap:4px;margin-top:4px}.standard-badge{display:inline-flex;width:fit-content;align-items:center;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:700;border:1px solid var(--platform-border)}.standard-badge--primary{background:#22c55e21;color:var(--platform-success);border-color:#22c55e4d}.standard-badge--supporting,.standard-badge--extension{background:var(--platform-soft);color:var(--platform-muted)}.library-code-search{height:32px;min-width:160px;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:4px;padding:0 10px;font:inherit;font-size:12px}:root[data-platform-display-style=dense] .official-lesson-card .lesson-info{align-items:stretch;gap:4px}:root[data-platform-display-style=dense] .official-lesson-card .lesson-actions{flex-direction:column;align-items:stretch}:root[data-platform-display-style=dense] .official-lesson-card .lesson-actions button{width:100%}.metadata-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.metadata-field-wide{grid-column:1 / -1}.metadata-preview-card{margin-top:16px;display:grid;gap:8px;color:var(--platform-muted);font-size:12px;font-weight:800}.metadata-preview-card img{width:100%;max-height:220px;object-fit:cover;border-radius:14px;border:1px solid var(--platform-border)}.metadata-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--platform-border-soft)}:root[data-platform-theme=dark] :is(.course-panel,.course-detail,.module-card,.course-card,.lesson-card,.library-modal,.metadata-modal,.library-lesson-card,.empty-state){box-shadow:none}.delivery-dashboard{width:100%;display:grid;gap:20px;color:var(--platform-text)}.delivery-dashboard *{box-sizing:border-box}.delivery-header-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 20px;border:none;border-bottom:1px solid var(--platform-border);border-radius:0;background:var(--platform-panel);box-shadow:none}.delivery-header-card h2{margin:0;color:var(--platform-heading);font-size:clamp(22px,2.5vw,30px);line-height:1;letter-spacing:-.035em;font-family:Plus Jakarta Sans,system-ui,sans-serif;font-weight:800}.delivery-header-card p{max-width:720px;margin:8px 0 0;color:var(--platform-muted);line-height:1.55}.delivery-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:0;align-items:start;width:calc(100% + var(--dashboard-shell-pad));margin-left:calc(-1 * var(--dashboard-shell-pad));border:1px solid var(--platform-border);border-top:none;border-left:none}.delivery-section-list,.delivery-section-detail,.delivery-column,.section-detail-hero{border:none;background:var(--platform-panel);color:var(--platform-text);border-radius:0;box-shadow:none}.delivery-section-list{position:sticky;top:58px;border-right:1px solid var(--platform-border);padding:0;min-height:calc(100vh - 58px)}.delivery-section-detail{min-width:0;padding:0;display:grid;gap:0}.section-card-list{display:grid;gap:0}.delivery-section-list>.panel-header{padding:12px 14px;border-bottom:1px solid var(--platform-border);margin-bottom:0}.section-card{width:100%;display:grid;gap:3px;text-align:left;padding:10px 14px;border:none;border-top:3px solid transparent;border-bottom:1px solid var(--platform-border);border-radius:0;background:var(--platform-panel);color:var(--platform-text);cursor:pointer;transition:background .12s ease,border-top-color .12s ease}.section-card:last-child{border-bottom:none}.section-card:hover{border-top-color:var(--platform-accent);background:var(--platform-soft)}.section-card.active{border-top-color:var(--platform-accent);background:var(--platform-accent-soft)}.section-card strong{color:var(--platform-heading);font-size:15px;line-height:1.25}.section-card span{color:var(--platform-muted);font-size:13px;line-height:1.4}.section-access-code{width:fit-content;margin-top:4px;padding:2px 6px;border:1px solid var(--platform-border);border-radius:4px;background:var(--platform-panel);color:var(--platform-accent)!important;font-size:11px!important;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.section-status{width:fit-content;display:inline-flex;align-items:center;margin-top:2px;padding:2px 6px;border-radius:4px;font-size:10px;font-style:normal;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.section-status.active{color:var(--platform-success);background:var(--platform-success-soft);border:1px solid color-mix(in srgb,var(--platform-success) 30%,transparent)}.section-status.archived{color:var(--platform-muted);background:var(--platform-soft);border:1px solid var(--platform-border)}.section-detail-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:start;padding:16px 20px;background:var(--platform-panel);border-bottom:1px solid var(--platform-border)}.section-heading-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.section-heading-line h3{margin:0;color:var(--platform-heading);font-size:28px;line-height:1.05;letter-spacing:-.04em}.section-detail-hero p{margin:8px 0 0;color:var(--platform-muted);line-height:1.55}.section-code-row{width:fit-content;display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:4px 0;border:none;border-radius:0;background:transparent}.section-code-row span{color:var(--platform-muted);font-size:12px;font-weight:850;letter-spacing:.05em;text-transform:uppercase}.section-code-row strong{color:var(--platform-accent);font-size:13px;letter-spacing:.08em}.section-detail-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;flex-wrap:wrap;max-width:420px}.section-detail-actions button,.delivery-course-card button,.delivery-course-actions button,.delivery-header-card button{min-height:30px;border:1px solid var(--platform-border);border-radius:6px;background:var(--platform-panel);color:var(--platform-text);font:inherit;font-size:13px;font-weight:600;padding:6px 12px;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease}.section-detail-actions button:hover:not(:disabled),.delivery-course-card button:hover:not(:disabled),.delivery-course-actions button:hover:not(:disabled),.delivery-header-card button:hover:not(:disabled){border-color:color-mix(in srgb,var(--platform-accent) 45%,var(--platform-border));background:var(--platform-accent-soft);color:var(--platform-accent)}.section-detail-actions button:disabled,.delivery-course-card button:disabled,.delivery-course-actions button:disabled,.delivery-header-card button:disabled{opacity:.48;cursor:not-allowed;transform:none}.danger-soft{color:var(--platform-danger)!important;border-color:color-mix(in srgb,var(--platform-danger) 30%,var(--platform-border))!important;background:transparent!important}.danger-soft:hover:not(:disabled){background:var(--platform-danger-soft)!important;color:var(--platform-danger)!important}.delivery-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;align-items:start;border-top:1px solid var(--platform-border)}.delivery-column{min-width:0;padding:0;display:grid;gap:0;border-right:1px solid var(--platform-border)}.delivery-column:last-child{border-right:none}.delivery-column-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--platform-border);background:var(--platform-soft)}.delivery-column-head h3{margin:0;color:var(--platform-heading);font-size:13px;font-weight:700;letter-spacing:-.01em}.delivery-column-head span{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:20px;padding:0 6px;border-radius:4px;background:var(--platform-accent-soft);color:var(--platform-accent);font-size:11px;font-weight:700}.delivery-course-list{display:grid;gap:0}.delivery-course-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 16px;border:none;border-bottom:1px solid var(--platform-border);border-radius:0;background:var(--platform-panel);color:var(--platform-text)}.delivery-course-card:last-child{border-bottom:none}.delivery-course-card strong{display:block;color:var(--platform-heading);font-size:15px;line-height:1.25}.delivery-course-card span{display:block;margin-top:4px;color:var(--platform-muted);font-size:13px;line-height:1.45}.delivery-course-actions{display:inline-flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:nowrap}.delivery-course-actions button{min-width:36px;padding:8px 10px}.delivery-course-actions button:first-child,.delivery-course-actions button:nth-child(2){width:36px;padding:0;font-size:15px;line-height:1}.delivery-course-actions button:last-child{color:var(--platform-danger);border-color:color-mix(in srgb,var(--platform-danger) 25%,var(--platform-border));background:transparent}.delivery-course-actions button:last-child:hover:not(:disabled){background:var(--platform-danger-soft);color:var(--platform-danger);border-color:color-mix(in srgb,var(--platform-danger) 45%,var(--platform-border))}.publish-action{color:var(--platform-success)!important;background:var(--platform-success-soft)!important;border-color:color-mix(in srgb,var(--platform-success) 35%,var(--platform-border))!important}.publish-action:hover:not(:disabled){color:var(--platform-success)!important;border-color:var(--platform-success)!important}.delivery-dashboard .empty-state{border:none;border-bottom:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-muted);border-radius:0;padding:14px 16px;line-height:1.55}.delivery-dashboard .empty-state.compact{padding:10px 16px;font-size:13px}.delivery-dashboard .empty-state.large{min-height:160px;display:grid;place-items:center;text-align:center;border-bottom:none}.delivery-roster-card{border:none;border-top:1px solid var(--platform-border);border-bottom:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:0;box-shadow:none;padding:0;display:grid;gap:0}.delivery-roster-card .delivery-column-head{padding:10px 16px;border-bottom:1px solid var(--platform-border)}.delivery-roster-card .delivery-column-head p{margin:3px 0 0;color:var(--platform-muted);font-size:12px;line-height:1.45}.delivery-roster-tools{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;align-items:stretch}.delivery-organisation-students,.delivery-student-form,.delivery-bulk-students{min-height:230px;border:1px solid var(--platform-border);background:var(--platform-soft);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:12px}.delivery-organisation-students h4{margin:0;color:var(--platform-heading);font-size:18px;line-height:1.2}.delivery-student-form label,.delivery-bulk-students label{display:grid;gap:6px;color:var(--platform-muted);font-size:12px;font-weight:850}.delivery-student-form input,.delivery-bulk-students input,.delivery-bulk-students textarea{width:100%;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:11px;padding:10px 11px;font:inherit;font-weight:650;outline:none}.delivery-bulk-students textarea{min-height:124px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.5}.delivery-student-form input:focus,.delivery-bulk-students input:focus,.delivery-bulk-students textarea:focus{border-color:color-mix(in srgb,var(--platform-accent) 60%,var(--platform-border));box-shadow:0 0 0 3px color-mix(in srgb,var(--platform-accent) 16%,transparent)}.delivery-student-form button,.delivery-bulk-students button,.delivery-student-card button{min-height:36px;border:1px solid var(--platform-border);border-radius:11px;background:var(--platform-panel);color:var(--platform-text);font:inherit;font-size:13px;font-weight:800;padding:8px 11px;cursor:pointer;transition:background .13s ease,border-color .13s ease,color .13s ease,transform .13s ease,opacity .13s ease}.delivery-student-form button{border-color:var(--platform-accent);background:var(--platform-accent);color:#fff}.delivery-bulk-students button{color:var(--platform-accent);background:var(--platform-accent-soft);border-color:color-mix(in srgb,var(--platform-accent) 35%,var(--platform-border))}.delivery-student-form button:hover:not(:disabled),.delivery-bulk-students button:hover:not(:disabled),.delivery-student-card button:hover:not(:disabled){filter:brightness(1.04)}.delivery-student-form button:disabled,.delivery-bulk-students button:disabled,.delivery-student-card button:disabled{opacity:.48;cursor:not-allowed;transform:none}.delivery-student-list{display:grid;gap:0}.delivery-student-card{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:9px 16px;border:none;border-bottom:1px solid var(--platform-border);border-radius:0;background:var(--platform-panel);color:var(--platform-text)}.delivery-student-card:last-child{border-bottom:none}.delivery-student-card strong{display:block;color:var(--platform-heading);font-size:15px;line-height:1.25}.delivery-student-card span{display:block;margin-top:4px;color:var(--platform-muted);font-size:13px;line-height:1.35}.delivery-student-card small{color:var(--platform-muted);font-size:12px;white-space:nowrap}.delivery-student-card .danger-soft{min-width:82px}.delivery-bulk-students input[type=file]{padding:8px}.delivery-bulk-students input[type=file]::file-selector-button{border:1px solid var(--platform-border);border-radius:9px;background:var(--platform-panel);color:var(--platform-text);padding:7px 10px;margin-right:10px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.delivery-student-picker{display:flex;flex-direction:column;gap:8px;overflow-y:auto;max-height:170px;padding-right:4px}.delivery-student-picker button{width:100%;min-height:42px;height:auto;display:flex;align-items:center;justify-content:flex-start;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:12px;padding:10px 12px;font:inherit;font-size:14px;font-weight:800;text-align:left;cursor:pointer}.delivery-student-picker button:hover{border-color:var(--platform-accent);background:var(--platform-accent-soft);color:var(--platform-accent)}.delivery-student-picker:empty:after{content:"No organisation students available.";color:var(--platform-muted);font-size:13px;line-height:1.4}.delivery-roster-panel{margin-top:24px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:12px;overflow:hidden}.delivery-roster-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--platform-border)}.delivery-roster-header h3{margin:0;font-size:1rem;font-weight:600}.delivery-roster-count{font-size:.875rem;opacity:.75}.delivery-roster-list{display:flex;flex-direction:column}.delivery-roster-empty{padding:24px;text-align:center;opacity:.7}.delivery-roster-item{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--platform-border)}.delivery-roster-item:last-child{border-bottom:none}.delivery-roster-student{display:flex;flex-direction:column;gap:4px}.delivery-roster-name{font-weight:600;font-size:.95rem}.delivery-roster-meta{font-size:.8rem;opacity:.7}.delivery-roster-status{display:flex;align-items:center;gap:8px}.delivery-roster-status-badge{padding:4px 8px;border-radius:999px;font-size:.75rem;font-weight:600}.delivery-roster-status-badge.active{background:#00b45a26}.delivery-roster-status-badge.inactive{background:#78787826}.delivery-roster-actions{display:flex;gap:8px}.delivery-roster-actions button{padding:6px 10px;font-size:.8rem}.delivery-student-metrics{display:flex;gap:16px;flex-wrap:wrap}.delivery-student-metric{min-width:90px}.delivery-student-metric strong{display:block;font-size:1rem}.delivery-student-metric span{font-size:.75rem;opacity:.7}@media (max-width: 1180px){.delivery-grid{grid-template-columns:260px minmax(0,1fr)}.section-detail-hero{grid-template-columns:1fr}.section-detail-actions{justify-content:flex-start;max-width:none}.delivery-roster-tools{grid-template-columns:1fr}}@media (max-width: 960px){.delivery-grid,.delivery-columns{grid-template-columns:1fr}.delivery-section-list{position:static}}@media (max-width: 760px){.delivery-student-card{grid-template-columns:1fr;align-items:start}.delivery-student-card small{white-space:normal}}@media (max-width: 640px){.delivery-header-card,.section-detail-hero,.delivery-course-card{grid-template-columns:1fr}.delivery-header-card{align-items:stretch}.delivery-course-actions{justify-content:flex-start;flex-wrap:wrap}}.admin-dashboard{min-height:100vh;padding:32px;background:var(--platform-bg-gradient);color:var(--platform-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex;flex-direction:column;gap:24px}.admin-surface{background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:22px;overflow:hidden;box-shadow:var(--platform-shadow-soft)}.admin-surface .admin-header{border-radius:0;border:none;border-bottom:1px solid var(--platform-border);box-shadow:none;margin-bottom:0}.admin-top-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--platform-border)}.admin-top-row .admin-card,.admin-top-row .admin-grid{border:none;border-right:1px solid var(--platform-border);border-radius:0;box-shadow:none;padding:22px}.admin-top-row .admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:0;grid-column:span 2}.admin-top-row .admin-grid .admin-card{border-right:1px solid var(--platform-border);padding:22px}.admin-top-row .admin-grid .admin-card:last-child{border-right:none}.admin-top-row>*:last-child{border-right:none}.admin-surface .admin-members-card{border:none;border-radius:0;box-shadow:none}.admin-error{grid-column:1 / -1}.admin-header,.admin-card,.admin-status-card{background:var(--platform-panel);color:var(--platform-text);border:1px solid var(--platform-border);box-shadow:var(--platform-shadow-soft)}.admin-header{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:24px;padding:28px;border-radius:22px}.admin-header h1{margin:0;color:var(--platform-heading);font-size:clamp(36px,4vw,52px);line-height:.95;letter-spacing:-.05em}.admin-header p,.admin-section-head p,.admin-card p{color:var(--platform-muted)}.admin-card,.admin-status-card{border-radius:22px;padding:22px}.admin-card h1,.admin-card h2,.admin-status-card strong{color:var(--platform-heading)}.admin-header-actions{display:flex;align-items:center;gap:12px}.admin-eyebrow{color:var(--platform-accent);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.admin-muted{color:var(--platform-muted)}.admin-grid,.admin-bulk-grid{display:grid;gap:20px;min-width:0}.admin-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.admin-bulk-grid{grid-template-columns:1fr 1fr}.admin-bulk-grid.compact{grid-template-columns:1fr}.admin-bulk-grid.compact .admin-bulk-textarea textarea{min-height:150px}.admin-section-head{display:flex;justify-content:space-between;gap:16px;margin-bottom:18px}.admin-section-head h2{margin:0;letter-spacing:-.035em;color:var(--platform-heading)}.admin-form{display:grid;gap:14px}.admin-form label,.admin-bulk-textarea{display:grid;gap:6px;color:var(--platform-muted);font-size:12px;font-weight:800}.admin-form input,.admin-form select,.admin-form textarea,.admin-bulk-textarea textarea,.admin-table select{width:100%;box-sizing:border-box;border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:11px;padding:10px 11px;font:inherit;font-weight:650}.admin-form textarea,.admin-bulk-textarea textarea{min-height:210px;resize:vertical}.admin-form button,.admin-table button{border-radius:11px;font-weight:800;cursor:pointer;border:1px solid var(--platform-accent);background:var(--platform-accent);color:#fff;padding:11px 14px;font:inherit;transition:background .15s,border-color .15s,transform .15s}.admin-form button:hover:not(:disabled),.admin-table button:hover:not(:disabled){background:var(--platform-accent-hover);border-color:var(--platform-accent-hover)}.admin-form button:disabled,.admin-table button:disabled{opacity:.55;cursor:not-allowed;transform:none}.admin-danger{border:1px solid rgba(220,38,38,.25)!important;background:transparent!important;color:var(--platform-danger)!important}.admin-danger:hover:not(:disabled){background:var(--platform-danger-soft)!important}.admin-error{margin-bottom:18px;border:1px solid rgba(220,38,38,.25);background:var(--platform-danger-soft);color:var(--platform-danger);border-radius:14px;padding:12px 14px;font-weight:750}.admin-table-wrap{overflow-x:auto;border:1px solid var(--platform-border);border-radius:16px}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{text-align:left;padding:14px;border-bottom:1px solid var(--platform-border-soft)}.admin-table th{color:var(--platform-accent);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.admin-pill-list,.admin-preview-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.admin-pill,.admin-preview-list span{border:1px solid var(--platform-border);background:var(--platform-accent-soft);color:var(--platform-accent);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:750}.admin-invite-list{display:grid;gap:10px}.admin-invite-row{display:grid;grid-template-columns:1fr 120px 120px;gap:12px;align-items:center;padding:13px;border:1px solid var(--platform-border);border-radius:15px;background:var(--platform-soft)}.admin-invite-row strong{color:var(--platform-heading)}.admin-invite-row span,.admin-invite-row em{color:var(--platform-muted)}@media (max-width: 980px){.admin-dashboard{padding:22px;grid-template-columns:1fr}.admin-header,.admin-grid,.admin-card,.admin-members-card{grid-column:1 / -1}.admin-bulk-grid{grid-template-columns:1fr}}.course-dashboard[data-dashboard-style=cloudflare]{--platform-bg: #f7f7f4;--platform-bg-gradient: radial-gradient(circle at top left, rgba(246, 130, 31, .16), transparent 34rem), linear-gradient(180deg, #fffaf3 0%, #f7f7f4 46%, #ffffff 100%);--platform-panel: #ffffff;--platform-panel-strong: #ffffff;--platform-soft: #fbfaf7;--platform-soft-2: #fff3e5;--platform-text: #1d1d1b;--platform-heading: #111111;--platform-muted: #5f625f;--platform-border: #dedbd2;--platform-border-soft: #ebe7dc;--platform-accent: #f6821f;--platform-accent-hover: #d96500;--platform-accent-soft: #fff1df;--platform-success: #238636;--platform-success-soft: #eef8ef;--platform-danger: #b42318;--platform-danger-soft: #fff1ef;--platform-warning-soft: #fff7df;--platform-shadow-soft: 0 1px 2px rgba(17, 17, 17, .06);--platform-shadow-card: 0 1px 2px rgba(17, 17, 17, .05);--platform-shadow-modal: 0 22px 70px rgba(17, 17, 17, .22);background:var(--platform-bg-gradient)}.course-dashboard[data-dashboard-style=cloudflare] .dashboard-header{align-items:center;padding:22px 0 8px}.course-dashboard[data-dashboard-style=cloudflare] :is(.dashboard-eyebrow,.module-label,.settings-section-label){color:var(--platform-accent);letter-spacing:.08em}.course-dashboard[data-dashboard-style=cloudflare] .dashboard-header h1{max-width:760px;font-size:clamp(42px,5vw,72px);line-height:.92;letter-spacing:-.065em}.course-dashboard[data-dashboard-style=cloudflare] .dashboard-header p{max-width:620px;font-size:17px}.course-dashboard[data-dashboard-style=cloudflare] .dashboard-grid{grid-template-columns:320px minmax(0,1fr)}.course-dashboard[data-dashboard-style=cloudflare] :is(.course-panel,.course-detail,.module-card,.library-modal,.metadata-modal){border-radius:8px;box-shadow:var(--platform-shadow-soft)}.course-dashboard[data-dashboard-style=cloudflare] .course-title-row.hero-card{border-radius:8px;padding:26px;background:linear-gradient(135deg,rgba(246,130,31,.12),transparent 34%),#fff}.course-dashboard[data-dashboard-style=cloudflare] :is(.course-card,.lesson-card,.library-lesson-card,.empty-state){border-radius:8px;background:#fff}.course-dashboard[data-dashboard-style=cloudflare] .course-card:hover,.course-dashboard[data-dashboard-style=cloudflare] .course-card.active{border-color:var(--platform-accent);background:#fff8ef;transform:none}.course-dashboard[data-dashboard-style=cloudflare] .module-card{padding:0;overflow:hidden}.course-dashboard[data-dashboard-style=cloudflare] .module-header{margin:0;padding:20px 22px;background:#fbfaf7}.course-dashboard[data-dashboard-style=cloudflare] .lesson-group{padding:0 22px 22px}.course-dashboard[data-dashboard-style=cloudflare] .course-action-bar{gap:8px}.course-dashboard[data-dashboard-style=cloudflare] :is(.primary-action,.publish-course-action,.cab-preview,.workspace-tab.active){background:#111;border-color:#111;color:#fff}.course-dashboard[data-dashboard-style=cloudflare] .primary-action:hover:not(:disabled),.course-dashboard[data-dashboard-style=cloudflare] .publish-course-action:hover:not(:disabled),.course-dashboard[data-dashboard-style=cloudflare] .cab-preview:hover:not(:disabled){background:var(--platform-accent);border-color:var(--platform-accent)}.course-dashboard[data-dashboard-style=cloudflare] :is(.secondary-action,.small-action,.module-actions button,.lesson-actions button,.cab-btn){border-radius:6px}.course-dashboard[data-dashboard-style=cloudflare] :is(.course-status,.lesson-status,.official-badge){border-radius:4px}.course-dashboard[data-dashboard-style=cloudflare] .workspace-tabs{border-radius:8px;background:#fff}.course-dashboard[data-dashboard-style=cloudflare] .workspace-tab{border-radius:5px}.course-dashboard[data-dashboard-style=cloudflare] .course-thumbnail-preview{border-radius:6px}:root[data-platform-display-style=dense] :is(.course-dashboard,.admin-dashboard,.delivery-dashboard,.analytics-debug-page){font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}:root[data-platform-display-style=dense] :is(.course-dashboard,.admin-dashboard,.analytics-debug-page){padding:0;--dashboard-shell-pad: 0px}:root[data-platform-display-style=dense] .course-dashboard{--platform-bg: #f7f7f5;--platform-bg-gradient: linear-gradient(180deg, #fafafa 0%, #f4f4f1 100%);--platform-panel: #ffffff;--platform-panel-strong: #ffffff;--platform-soft: #fafafa;--platform-soft-2: #f2f2ef;--platform-text: #262626;--platform-heading: #171717;--platform-muted: #666666;--platform-border: #dedede;--platform-border-soft: #eeeeee;--platform-accent: #2a75ca;--platform-accent-hover: #d96500;--platform-accent-soft: #fff3e6;--platform-shadow-soft: none;--platform-shadow-card: none}:root[data-platform-display-style=dense] :is(.dashboard-header,.admin-header,.delivery-header-card,.analytics-debug-header){margin:0;padding:20px 28px;border-bottom:1px solid var(--platform-border);border-radius:0;background:transparent;box-shadow:none}:root[data-platform-display-style=dense] .dashboard-header{padding:28px 36px 22px}:root[data-platform-display-style=dense] .delivery-header-card{margin-bottom:0}:root[data-platform-display-style=dense] :is(.dashboard-header h1,.admin-header h1,.delivery-header-card h2,.analytics-debug-header h1){letter-spacing:-.045em}:root[data-platform-display-style=dense] .dashboard-header h1{font-size:34px;line-height:1.05}:root[data-platform-display-style=dense] .dashboard-header p{margin-top:6px;font-size:15px}:root[data-platform-display-style=dense] :is(.module-label,.dashboard-eyebrow,.settings-section-label){margin-bottom:4px;font-size:10px;letter-spacing:.08em}:root[data-platform-display-style=dense] .dashboard-grid{grid-template-columns:280px minmax(0,1fr);gap:0;align-items:stretch}:root[data-platform-display-style=dense] :is(.delivery-grid,.admin-grid,.analytics-dashboard-grid){gap:0}:root[data-platform-display-style=dense] :is(.delivery-dashboard,.delivery-section-detail,.analytics-summary-grid){gap:var(--dashboard-gap-md)}:root[data-platform-display-style=dense] .module-list{gap:16px}:root[data-platform-display-style=dense] :is(.course-panel,.course-detail,.module-card,.admin-card,.admin-status-card,.delivery-section-list,.delivery-section-detail,.delivery-column,.delivery-roster-card,.section-detail-hero,.analytics-filter-panel,.analytics-metric-card,.analytics-chart-card,.analytics-table-section,.analytics-events){border-radius:var(--dashboard-radius-lg);padding:var(--dashboard-padding-lg);box-shadow:none}:root[data-platform-display-style=dense] .course-panel{position:sticky;top:0;min-height:calc(100vh - 72px);border-radius:0;border-width:0 1px 0 0;padding:18px 14px;box-shadow:none}:root[data-platform-display-style=dense] .course-detail{border:0;border-radius:0;padding:28px 36px;box-shadow:none;background:#fff}:root[data-platform-display-style=dense] .panel-header{margin-bottom:12px;gap:10px}:root[data-platform-display-style=dense] .panel-header h2{font-size:16px}:root[data-platform-display-style=dense] .panel-header p{display:none}:root[data-platform-display-style=dense] .course-list{gap:1px}:root[data-platform-display-style=dense] .course-card{border:0;border-radius:8px;background:transparent;padding:7px 12px;transform:none}:root[data-platform-display-style=dense] .course-card:hover,:root[data-platform-display-style=dense] .course-card.active{background:#eeeeeb;border-color:transparent;transform:none}:root[data-platform-display-style=dense] .course-card strong{font-size:14px;line-height:1.25}:root[data-platform-display-style=dense] .course-card span{font-size:12px;line-height:1.3}:root[data-platform-display-style=dense] .section-card-list{display:block}:root[data-platform-display-style=dense] .section-card{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;border-radius:8px;border:0;margin:0;padding:10px 12px;box-shadow:none;background:transparent;transform:none}:root[data-platform-display-style=dense] .section-card:nth-child(2n){background:color-mix(in srgb,var(--platform-soft) 68%,transparent)}:root[data-platform-display-style=dense] .section-card:hover:not(.active){background:#eeeeeb;border-color:transparent}:root[data-platform-display-style=dense] .section-card.active{background:#eeeeeb;border-color:transparent;border-left:0;padding-left:12px}:root[data-platform-display-style=dense] .section-card strong{font-size:13px;font-weight:600;line-height:1.25;color:var(--platform-heading)}:root[data-platform-display-style=dense] .section-card span{font-size:11px;color:var(--platform-muted)}:root[data-platform-display-style=dense] .section-access-code{display:none}:root[data-platform-display-style=dense] .section-status{font-size:10px;padding:2px 6px;border-radius:4px;margin-top:2px}:root[data-platform-display-style=dense] .course-title-row.hero-card{border-radius:0;border-width:0 0 1px 0;padding:0 0 18px;margin-bottom:18px;background:transparent;box-shadow:none}:root[data-platform-display-style=dense] .course-heading-line h2{font-size:28px;letter-spacing:-.04em}:root[data-platform-display-style=dense] .course-metadata-row{margin-top:8px;gap:6px}:root[data-platform-display-style=dense] .course-metadata-row span,:root[data-platform-display-style=dense] .course-status,:root[data-platform-display-style=dense] .lesson-status,:root[data-platform-display-style=dense] .official-badge{border-radius:4px;padding:3px 7px;font-size:10px!important}:root[data-platform-display-style=dense] .course-thumbnail-preview{border-radius:6px}:root[data-platform-display-style=dense] .course-action-bar{padding-top:10px;gap:6px}:root[data-platform-display-style=dense] .module-card{border-radius:0;border:1px solid var(--platform-border);padding:0;box-shadow:none;overflow:hidden}:root[data-platform-display-style=dense] .module-header{margin:0;padding:12px 14px;align-items:center;background:var(--platform-soft);border-bottom:1px solid var(--platform-border)}:root[data-platform-display-style=dense] .module-header h3{font-size:17px;line-height:1.2}:root[data-platform-display-style=dense] .module-header p{margin-top:3px;font-size:12px}:root[data-platform-display-style=dense] .lesson-group{margin:0}:root[data-platform-display-style=dense] .lesson-group-title{margin:0;padding:8px 12px;border-bottom:1px solid var(--platform-border-soft);background:var(--platform-panel);color:#525252;font-size:11px}:root[data-platform-display-style=dense] .lesson-list{display:block;margin:0}:root[data-platform-display-style=dense] .lesson-card{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:14px;align-items:center;margin:0;min-height:44px;padding:7px 14px;border:0;border-bottom:1px solid var(--platform-border-soft);border-radius:0;background:var(--platform-panel);box-shadow:none}:root[data-platform-display-style=dense] .lesson-card:nth-child(2n){background:var(--platform-soft)}:root[data-platform-display-style=dense] .lesson-card:hover{background:var(--platform-accent-soft)}:root[data-platform-display-style=dense] .lesson-card strong{font-size:13px;font-weight:600;line-height:1.25}:root[data-platform-display-style=dense] .lesson-info{align-items:center;gap:10px}:root[data-platform-display-style=dense] .lesson-meta-row{margin-top:0}:root[data-platform-display-style=dense] .lesson-sequence-number{width:22px;height:22px;border-radius:4px;font-size:11px}:root[data-platform-display-style=dense] .lesson-controls{display:flex;align-items:center;justify-content:flex-start}:root[data-platform-display-style=dense] .lesson-controls label{display:flex;align-items:center;gap:8px;margin:0;white-space:nowrap;font-size:11px}:root[data-platform-display-style=dense] .lesson-controls select{width:150px;min-width:150px;height:28px;border-radius:5px;padding:3px 7px;font-size:12px}:root[data-platform-display-style=dense] .lesson-actions{gap:4px;justify-content:flex-end}:root[data-platform-display-style=dense] .lesson-actions button{padding:4px 8px;min-height:28px;font-size:11px;border-radius:5px}:root[data-platform-display-style=dense] .lesson-overflow-toggle{min-width:30px;padding-inline:8px}:root[data-platform-display-style=dense] .lesson-overflow-menu{border-radius:8px}:root[data-platform-display-style=dense] :is(.delivery-course-list,.delivery-student-list,.admin-invite-list){display:block}:root[data-platform-display-style=dense] :is(.delivery-course-card,.delivery-student-card,.admin-invite-row){border-radius:0;border-left:0;border-right:0;border-top:0;margin:0;padding:8px 12px;box-shadow:none;min-height:42px}:root[data-platform-display-style=dense] .delivery-course-card:nth-child(2n),:root[data-platform-display-style=dense] .delivery-student-card:nth-child(2n),:root[data-platform-display-style=dense] .admin-invite-row:nth-child(2n),:root[data-platform-display-style=dense] .admin-table tbody tr:nth-child(2n),:root[data-platform-display-style=dense] .analytics-teacher-table tbody tr:nth-child(2n){background:color-mix(in srgb,var(--platform-soft) 68%,transparent)}:root[data-platform-display-style=dense] :is(.module-header,.delivery-column-head){margin:0;padding:10px 12px;border-bottom:1px solid var(--platform-border);background:var(--platform-soft)}:root[data-platform-display-style=dense] :is(.delivery-organisation-students,.delivery-student-form,.delivery-bulk-students){border-radius:var(--dashboard-radius-sm);min-height:auto}:root[data-platform-display-style=dense] .delivery-student-picker button{border-radius:var(--dashboard-radius-sm);min-height:34px;font-size:13px}:root[data-platform-display-style=dense] .section-detail-hero{border-radius:0;border-width:0 0 1px 0;padding:14px 18px;box-shadow:none}:root[data-platform-display-style=dense] .section-heading-line h3{font-size:22px;letter-spacing:-.03em}:root[data-platform-display-style=dense] .section-code-row{border-radius:var(--dashboard-radius-sm);margin-top:10px;padding:6px 8px}:root[data-platform-display-style=dense] .section-detail-actions{gap:4px}:root[data-platform-display-style=dense] :is(button,select,input,textarea){border-radius:var(--dashboard-radius-sm)}:root[data-platform-display-style=dense] :is(.cab-btn,.primary-action,.secondary-action,.small-action,.module-actions button,.lesson-actions button,.delivery-course-actions button,.section-detail-actions button,.delivery-header-card button,.delivery-student-form button,.delivery-bulk-students button,.delivery-student-card button,.admin-form button,.admin-table button,.analytics-debug-actions button){min-height:28px;padding:5px 9px;font-size:12px;border-radius:var(--dashboard-radius-sm);box-shadow:none}:root[data-platform-display-style=dense] :is(.lesson-actions,.delivery-course-actions,.section-detail-actions,.module-actions){gap:4px}:root[data-platform-display-style=dense] .workspace-tabs{border-radius:var(--dashboard-radius-sm);box-shadow:none}:root[data-platform-display-style=dense] .workspace-tab{border-radius:var(--dashboard-radius-sm)}:root[data-platform-display-style=dense] .error-banner{border-radius:var(--dashboard-radius-sm)}:root[data-platform-display-style=dense] .empty-state{border-radius:0;padding:12px 14px;background:var(--platform-soft)}:root[data-platform-display-style=dense] :is(.library-modal,.metadata-modal){border-radius:8px}:root[data-platform-display-style=dense] .cab-overflow-menu{border-radius:8px}:root[data-platform-display-style=dense] :is(.admin-table-wrap,.analytics-table-section){border-radius:0}:root[data-platform-display-style=dense] .admin-table th,:root[data-platform-display-style=dense] .admin-table td,:root[data-platform-display-style=dense] .analytics-teacher-table th,:root[data-platform-display-style=dense] .analytics-teacher-table td{padding:8px 10px}:root[data-platform-display-style=dense] .analytics-summary-grid{gap:4px}:root[data-platform-display-style=dense] .analytics-metric-card strong{font-size:24px}:root[data-platform-display-style=dense] .dashboard-style-switcher{border-radius:999px;padding:5px 8px 5px 10px;font-size:11px}:root[data-platform-display-style=dense] .teu-interactive-dialog{border-radius:4px;box-shadow:0 8px 32px #0f172a38}:root[data-platform-display-style=dense] .teu-interactive-dialog-header{padding:14px 20px 10px}:root[data-platform-display-style=dense] .teu-interactive-dialog-header h2{font-size:22px;letter-spacing:-.03em}:root[data-platform-display-style=dense] .teu-interactive-dialog-header p{font-size:13px;margin-top:4px}:root[data-platform-display-style=dense] .teu-interactive-filter-grid{padding:8px 16px;gap:6px}:root[data-platform-display-style=dense] .teu-interactive-dialog label select,:root[data-platform-display-style=dense] .teu-interactive-dialog label input{height:28px;border-radius:5px;font-size:11px;padding:0 7px}:root[data-platform-display-style=dense] .teu-interactive-filter-actions>button{height:28px;padding:4px 8px;border-radius:5px;font-size:11px}:root[data-platform-display-style=dense] .teu-interactive-view-toggle button{min-height:24px;padding:3px 7px;font-size:11px}:root[data-platform-display-style=dense] .teu-interactive-results{padding:10px 16px 16px}:root[data-platform-display-style=dense] .teu-interactive-results--cards{gap:10px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}:root[data-platform-display-style=dense] .teu-interactive-results--cards .teu-interactive-card{height:180px;min-height:180px;padding:12px;border-radius:6px;gap:8px}:root[data-platform-display-style=dense] .teu-interactive-results--cards .teu-interactive-card>button{min-height:28px;font-size:11px;border-radius:5px}:root[data-platform-display-style=dense] .teu-interactive-results--list .teu-interactive-card{min-height:38px;padding:5px 8px 5px 10px;border-radius:5px;gap:8px}:root[data-platform-display-style=dense] .teu-interactive-results--list .teu-interactive-card>button{width:76px;min-height:26px;padding:4px 6px;border-radius:5px;font-size:11px}:root[data-platform-display-style=dense] .teu-interactive-card h3{font-size:13px}:root[data-platform-display-style=dense] .teu-interactive-results--cards .teu-interactive-card h3{font-size:15px}:root[data-platform-display-style=dense] .teu-interactive-picker-summary{border-radius:6px;padding:8px 10px}:root[data-platform-display-style=dense] .teu-interactive-picker button{border-radius:5px;padding:5px 9px;font-size:12px}@media (max-width: 1200px){.course-title-row.hero-card{grid-template-columns:1fr}.course-thumbnail-preview{width:100%;height:150px}.lesson-card,.library-lesson-card{grid-template-columns:1fr;align-items:flex-start}.lesson-actions,.module-actions{justify-content:flex-start}:root[data-platform-display-style=dense] .lesson-card{grid-template-columns:1fr;gap:8px;padding:10px 14px}:root[data-platform-display-style=dense] .lesson-actions{justify-content:flex-start}:root[data-platform-display-style=dense] .delivery-roster-tools{grid-template-columns:1fr}}@media (max-width: 900px){:root{--dashboard-shell-pad: 22px}.course-dashboard{padding:var(--dashboard-shell-pad)}.dashboard-header,.panel-header,.module-header,.library-modal-header,.metadata-modal-header{flex-direction:column}.dashboard-grid{grid-template-columns:1fr}.course-panel{position:static}.dashboard-header-actions,.course-action-bar,.module-actions,.lesson-actions,.metadata-modal-actions{justify-content:flex-start}.course-action-bar{gap:6px}.cab-overflow-wrap{margin-left:0}.metadata-form-grid{grid-template-columns:1fr}:root[data-platform-display-style=dense] .dashboard-header{padding:22px}:root[data-platform-display-style=dense] .dashboard-grid{grid-template-columns:1fr}:root[data-platform-display-style=dense] .course-panel{min-height:auto;position:static;border-width:0 0 1px 0}:root[data-platform-display-style=dense] .course-detail{padding:22px}:root[data-platform-display-style=dense] .delivery-grid{grid-template-columns:1fr}:root[data-platform-display-style=dense] .delivery-section-list{position:static}}@media (max-width: 760px){:root[data-platform-display-style=dense] .delivery-student-card{grid-template-columns:1fr;align-items:start}}:root[data-platform-display-style=dense] :is(.lesson-page,.lesson-renderer,.viewer-app,.course-viewer-app,.section-landing-app,.interactive-host,.interactive-frame,.education-universe-frame){--dashboard-radius-lg: initial;--dashboard-radius-md: initial;--dashboard-radius-sm: initial}.teu-editor-shell{--editor-bg: var(--platform-bg, #f9fafb);--editor-panel: var(--platform-panel, #ffffff);--editor-panel-soft: var(--platform-soft, #f3f4f6);--editor-border: var(--platform-border, #e5e7eb);--editor-text: var(--platform-text, #111827);--editor-muted: var(--platform-muted, #6b7280);--editor-accent: var(--platform-accent, #1f6feb);--editor-accent-dark: var(--platform-accent-hover, #1a5fcd);--editor-radius: 6px;min-height:100vh;background:var(--editor-bg);color:var(--editor-text);font-family:Inter,Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}.teu-editor-shell [class*=Puck],.teu-editor-shell [class*=puck],.teu-editor-shell [class*=Header],.teu-editor-shell [class*=Toolbar],.teu-editor-shell [class*=Sidebar],.teu-editor-shell [class*=Fields],.teu-editor-shell [class*=Components],.teu-editor-shell [class*=Panel]{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif!important;color:var(--editor-text)}.teu-editor-shell [class*=Preview],.teu-editor-shell [class*=Canvas],.teu-editor-shell [class*=Viewport]{background:transparent!important;color:var(--editor-text)!important}.teu-editor-shell [class*=Sidebar],.teu-editor-shell [class*=Fields],.teu-editor-shell [class*=Components],.teu-editor-shell [class*=Panel]{background:var(--editor-panel)!important;border-color:var(--editor-border)!important}.teu-editor-shell [class*=Header],.teu-editor-shell [class*=Toolbar]{background:var(--editor-panel)!important;border-bottom:1px solid var(--editor-border)!important}.teu-editor-shell [class*=Component],.teu-editor-shell [class*=Draggable]{border-radius:var(--editor-radius)!important}.teu-editor-shell [class*=Field] input,.teu-editor-shell [class*=Field] textarea,.teu-editor-shell [class*=Field] select,.teu-editor-shell [class*=Input] input,.teu-editor-shell [class*=Input] textarea,.teu-editor-shell [class*=Input] select{border-radius:6px!important;border:1px solid var(--editor-border)!important;background:#fff!important;color:var(--editor-text)!important}.teu-editor-shell [class*=Header] button,.teu-editor-shell [class*=Toolbar] button,.teu-editor-shell [class*=Sidebar] button,.teu-editor-shell [class*=Panel] button,.teu-editor-shell .teu-back-button,.teu-editor-shell .teu-draft-button{border-radius:6px!important;font-weight:600!important}.teu-editor-shell [class^=_Drawer_],.teu-editor-shell [class*=" _Drawer_"]{gap:4px!important}.teu-editor-shell button[type=submit]:hover,.teu-editor-shell button[aria-label*=Publish]:hover,.teu-editor-shell button[title*=Publish]:hover{background:var(--editor-accent-dark)!important}.teu-editor-shell label,.teu-editor-shell small,.teu-editor-shell [class*=Description],.teu-editor-shell [class*=Help],.teu-editor-shell [class*=Hint]{color:var(--editor-muted)}.teu-editor-shell :focus-visible{outline:2px solid var(--editor-accent)!important;outline-offset:2px}.teu-editor-shell .teu-draft-button{background:#f9fafb!important;color:var(--editor-text)!important;border:1px solid var(--editor-border)!important;padding:7px 12px!important;border-radius:6px!important;font-weight:600!important;font-size:13px!important;transition:background .12s,border-color .12s!important}.teu-editor-shell .teu-draft-button:hover{background:#f3f4f6!important;border-color:#d1d5db!important}.teu-editor-shell .teu-back-button{background:transparent!important;color:var(--editor-text)!important;border:1px solid var(--editor-border)!important;padding:7px 12px!important;border-radius:6px!important;font-weight:600!important;font-size:13px!important}.teu-editor-shell .teu-back-button:hover{background:#f3f4f6!important}.teu-editor-shell [class*=Components] [class*=Item],.teu-editor-shell [class*=Components] [class*=Component],.teu-editor-shell [class*=Components] [class*=Draggable]{margin-top:3px!important;margin-bottom:3px!important}.teu-editor-shell [class*=Component] button,.teu-editor-shell [class*=Draggable] button,.teu-editor-shell [class*=Item] button{min-height:32px!important;padding-top:6px!important;padding-bottom:6px!important}.teu-puck-lesson-preview.lesson-page{min-height:0!important;height:auto!important}.teu-puck-lesson-preview.lesson-page>section{min-height:0!important;height:auto!important}.teu-puck-lesson-preview.lesson-page .interactive-section,.teu-puck-lesson-preview.lesson-page .interactive-block{height:auto!important}.teu-puck-lesson-preview.lesson-page .interactive,.teu-puck-lesson-preview.lesson-page .teu-plugin-preview,.teu-puck-lesson-preview.lesson-page .teu-plugin-host{height:var(--teu-editor-preview-height, auto)!important}.teu-interactive-modal{position:fixed;top:0;right:0;bottom:0;left:0;top:var(--teu-topbar-height, 58px);z-index:9999}:root[data-platform-display-style=dense] .teu-interactive-dialog{top:14px;right:14px;bottom:14px;left:14px}:root[data-platform-display-style=dense] .teu-interactive-dialog-header{padding:12px 16px 10px}:root[data-platform-display-style=dense] .teu-interactive-dialog-header h2{font-size:18px}:root[data-platform-display-style=dense] .teu-interactive-dialog-header p{font-size:12px}:root[data-platform-display-style=dense] .teu-interactive-dialog label{font-size:9px}:root[data-platform-display-style=dense] .teu-interactive-dialog label select,:root[data-platform-display-style=dense] .teu-interactive-dialog label input{height:28px;font-size:11px}:root[data-platform-display-style=dense] .teu-interactive-results--cards .teu-interactive-card{min-height:220px}:root[data-platform-display-style=dense] .teu-interactive-results--list .teu-interactive-card{min-height:38px;padding:6px 8px 6px 12px}:root[data-platform-display-style=dense] .teu-interactive-card h3{font-size:14px}:root[data-platform-display-style=dense] .teu-interactive-results--cards .teu-interactive-card h3{font-size:14px}.portal-shell,.portal-login-page{--platform-bg: #050812;--platform-bg-gradient: radial-gradient(circle at 10% 10%, rgba(0,102,204,.18), transparent 26%), radial-gradient(circle at 90% 18%, rgba(0,214,201,.1), transparent 28%), linear-gradient(180deg, #06101c, #0b1628 55%, #08101a);--platform-panel: rgba(18, 28, 45, .92);--platform-panel-strong: rgba(16, 32, 51, .95);--platform-soft: rgba(255,255,255,.04);--platform-text: #f5f7fb;--platform-heading: #ffffff;--platform-muted: #8e9aaa;--platform-body: #c7d0dd;--platform-border: rgba(255,255,255,.12);--platform-border-soft: rgba(255,255,255,.08);--platform-accent: #0066cc;--platform-accent-hover: #0052a3;--platform-accent-soft: rgba(0,102,204,.2);--platform-accent2: #5fb3ff;--platform-gold: #ffb000;--platform-teal: #00d6c9;--platform-shadow-soft: rgba(0,0,0,.32);--platform-shadow-card: 0 18px 50px rgba(0,0,0,.32);--platform-shadow-modal: 0 26px 80px rgba(0,0,0,.5);font-family:Barlow,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.portal-shell{min-height:100vh;background:var(--platform-bg-gradient);color:var(--platform-text)}.portal-login-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:var(--platform-bg-gradient);color:var(--platform-text)}.portal-login-card{width:min(980px,100%);display:grid;grid-template-columns:1fr 420px;gap:26px;background:linear-gradient(180deg,#ffffff12,#ffffff08),#121c2deb;border:1px solid var(--platform-border);border-radius:24px;box-shadow:var(--platform-shadow-modal);padding:28px}.portal-login-brand{grid-column:1 / -1;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--platform-border);padding-bottom:18px}.portal-login-brand-mark{width:4px;height:32px;background:var(--platform-accent);flex-shrink:0}.portal-login-brand-title{font-weight:800;letter-spacing:.05em;line-height:1;color:var(--platform-text)}.portal-login-brand-subtitle{font-size:10px;color:var(--platform-muted);letter-spacing:.16em;text-transform:uppercase;margin-top:2px}.portal-login-copy h1{font-size:clamp(42px,7vw,82px);line-height:.9;margin:0 0 16px;color:var(--platform-heading);letter-spacing:-.04em}.portal-login-copy p{color:var(--platform-body, #c7d0dd);line-height:1.45}.portal-login-copy .dashboard-eyebrow{color:var(--platform-accent2, #5fb3ff);margin-bottom:8px}.portal-dashboard{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:42px 0 64px;color:var(--platform-text)}.portal-page-title{display:flex;justify-content:space-between;gap:18px;align-items:start;margin-bottom:22px}.portal-page-title h1{font-size:clamp(38px,6vw,66px);line-height:.95;margin:0 0 12px;color:var(--platform-heading);letter-spacing:-.04em}.portal-page-title .dashboard-eyebrow{color:var(--platform-accent2, #5fb3ff)}.portal-page-title p{color:var(--platform-body, #c7d0dd);line-height:1.45}.portal-action-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center}.portal-section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:22px 0 12px}.portal-section-heading h2{margin:0;color:var(--platform-heading)}.portal-quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}.portal-quick-actions button{background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:18px;box-shadow:var(--platform-shadow-card);color:var(--platform-text);text-align:left;padding:22px;cursor:pointer;transition:transform .15s ease,border-color .15s ease;font-family:inherit}.portal-quick-actions button:hover{transform:translateY(-2px);border-color:var(--platform-accent2, #5fb3ff)}.portal-quick-actions span{display:inline-block;color:var(--platform-accent2, #5fb3ff);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}.portal-quick-actions strong{display:block;font-size:22px;color:var(--platform-heading);margin-bottom:8px}.portal-quick-actions p{color:var(--platform-body, #c7d0dd);line-height:1.45}.portal-course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.portal-course-card{text-align:left;padding:22px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:18px;box-shadow:var(--platform-shadow-card);color:var(--platform-text);cursor:pointer;width:100%;transition:transform .15s ease,border-color .15s ease;font-family:inherit}.portal-course-card.teacher,.portal-course-card.admin{border-left:5px solid var(--platform-gold, #ffb000)}.portal-course-card.student{border-left:5px solid var(--platform-teal, #00d6c9)}.portal-course-card:hover{transform:translateY(-2px);border-color:var(--platform-accent2, #5fb3ff)}.portal-course-card span{display:inline-block;color:var(--platform-accent2, #5fb3ff);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}.portal-course-card strong{display:block;font-size:22px;color:var(--platform-heading);margin-bottom:8px}.portal-course-card p{color:var(--platform-body, #c7d0dd);line-height:1.45}.portal-course-card em{color:var(--platform-gold, #ffb000);font-style:normal;font-weight:800}.portal-lesson-list{display:grid;gap:12px;margin-bottom:24px}.portal-lesson-card{padding:18px 20px;display:flex;justify-content:space-between;gap:18px;align-items:center;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:18px;box-shadow:var(--platform-shadow-card);transition:transform .15s ease,border-color .15s ease}.portal-lesson-card:hover{transform:translateY(-2px);border-color:var(--platform-accent2, #5fb3ff)}.portal-lesson-card span{display:inline-block;color:var(--platform-accent2, #5fb3ff);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:6px}.portal-lesson-card strong{display:block;font-size:18px;color:var(--platform-heading);margin-bottom:4px}.portal-lesson-card p{color:var(--platform-body, #c7d0dd);line-height:1.45;margin:0}.portal-lesson-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;flex-shrink:0}.portal-empty-card{padding:26px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:18px;color:var(--platform-body, #c7d0dd)}.portal-empty-card h2{color:var(--platform-heading);margin:0 0 8px}.portal-btn-primary{border:1px solid rgba(95,179,255,.45);background:var(--platform-accent, #0066cc);color:#fff;border-radius:999px;padding:10px 16px;font:inherit;font-weight:800;cursor:pointer;transition:border-color .15s,color .15s,transform .15s}.portal-btn-primary:hover:not(:disabled){border-color:var(--platform-accent2, #5fb3ff);color:#fff}.portal-btn-secondary{border:1px solid var(--platform-border);background:#ffffff0e;color:var(--platform-body, #c7d0dd);border-radius:999px;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;transition:border-color .15s,color .15s,transform .15s}.portal-btn-secondary:hover:not(:disabled){border-color:var(--platform-accent2, #5fb3ff);color:#fff}.portal-btn-primary:disabled,.portal-btn-secondary:disabled{opacity:.5;cursor:not-allowed;transform:none}.portal-section-join{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.portal-section-join input{border:1px solid rgba(255,255,255,.16);background:#ffffff12;color:#fff;border-radius:12px;padding:10px 14px;font:inherit;font-size:15px;font-weight:700;letter-spacing:.1em;outline:none;width:180px}.portal-section-join input:focus{border-color:var(--platform-accent2, #5fb3ff);box-shadow:0 0 0 3px #5fb3ff26}.portal-shell .dashboard-style-switcher{border-color:var(--platform-border);background:#ffffff0e;color:var(--platform-muted)}.portal-shell .dashboard-style-switcher select{color:var(--platform-text);background:transparent}:root[data-platform-display-style=dense] .portal-dashboard{padding:24px 0 32px}:root[data-platform-display-style=dense] .portal-page-title h1{font-size:clamp(24px,3vw,36px);letter-spacing:-.03em;margin-bottom:6px}:root[data-platform-display-style=dense] .portal-quick-actions{gap:6px;margin-bottom:12px}:root[data-platform-display-style=dense] .portal-quick-actions button{padding:14px 16px;border-radius:10px;box-shadow:none}:root[data-platform-display-style=dense] .portal-quick-actions button:hover,:root[data-platform-display-style=dense] .portal-course-card:hover,:root[data-platform-display-style=dense] .portal-lesson-card:hover{transform:none}:root[data-platform-display-style=dense] .portal-course-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px}:root[data-platform-display-style=dense] .portal-course-card{padding:14px;border-radius:10px;box-shadow:none}:root[data-platform-display-style=dense] .portal-course-card strong{font-size:16px}:root[data-platform-display-style=dense] .portal-lesson-list{gap:4px}:root[data-platform-display-style=dense] .portal-lesson-card{padding:10px 14px;border-radius:10px;box-shadow:none}:root[data-platform-display-style=dense] .portal-empty-card{border-radius:10px;padding:14px}:root[data-platform-display-style=dense] .portal-section-heading{margin:14px 0 8px}@media (max-width: 850px){.portal-login-card,.portal-quick-actions{grid-template-columns:1fr}.portal-dashboard{width:min(100% - 24px,1180px);padding-top:24px}.portal-page-title,.portal-lesson-card{flex-direction:column;align-items:stretch}.portal-action-row,.portal-lesson-actions{justify-content:flex-start}}.front-page{min-height:100vh;background:radial-gradient(circle at top left,rgba(37,99,235,.12),transparent 34rem),radial-gradient(circle at bottom right,rgba(14,165,233,.08),transparent 30rem),var(--platform-bg);color:var(--platform-text);padding:clamp(32px,5vw,72px);display:flex;justify-content:center;font-family:Inter,system-ui,sans-serif}.front-page-shell{width:min(1400px,100%)}.front-page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:80px}.front-page-brand{display:flex;align-items:center;gap:16px}.front-page-brand h1{margin:0;font-size:clamp(22px,3vw,34px);color:var(--platform-heading);letter-spacing:-.04em}.front-page-brand p{margin:0;color:var(--platform-muted);font-size:14px}.front-page-hero{max-width:900px}.front-page-kicker{color:var(--platform-accent);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}.front-page-hero h2{margin:0;color:var(--platform-heading);font-size:clamp(52px,8vw,92px);line-height:.95;letter-spacing:-.08em}.front-page-hero p{margin-top:24px;max-width:700px;color:var(--platform-muted);font-size:clamp(18px,2vw,22px);line-height:1.6}.front-page-actions{margin-top:72px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.front-page-card{background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:var(--dashboard-radius-lg);padding:28px;text-align:left;cursor:pointer;transition:.16s ease}.front-page-card:hover{transform:translateY(-2px);border-color:var(--platform-accent);background:var(--platform-accent-soft)}.front-page-card.primary{background:linear-gradient(135deg,var(--platform-accent),rgba(37,99,235,.7));color:#fff}.front-page-card.primary *{color:#fff!important}.front-page-card span{display:block;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.1em;margin-bottom:24px}.front-page-card strong{display:block;font-size:28px;line-height:1.05}.front-page-card p{margin-top:18px;color:var(--platform-muted);line-height:1.55}@media (max-width: 900px){.front-page-actions{grid-template-columns:1fr}.front-page-header{margin-bottom:48px}.front-page-hero h2{font-size:52px}}.teu-editor-shell .lesson-page.teu-puck-lesson-preview,.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Preview],.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Canvas],.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Viewport],.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Frame],.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=DropZone]{background:var(--lp-bg-gradient)!important}.course-panel .subscription-badge,.course-panel [class*=student-cap],.course-panel [class*=storage-badge],.course-panel [class*=cap-badge],.course-panel [class*=quota-badge],.course-panel [class*=trial-badge]{display:inline-flex!important;align-items:center!important;gap:5px!important;font-size:11px!important;font-weight:600!important;color:var(--platform-muted)!important;background:transparent!important;border:none!important;border-radius:0!important;padding:0!important;box-shadow:none!important;width:auto!important;height:auto!important}.course-panel [class*=badge] [class*=bar],.course-panel [class*=badge] [class*=track],.course-panel [class*=badge] [class*=progress]{height:3px!important;width:48px!important;border-radius:2px!important;min-width:unset!important}.course-card,.course-card:hover,.course-card.active{border-radius:0!important;overflow:visible!important}.course-card{border-top-width:3px!important;border-top-style:solid!important;border-top-color:transparent!important}.course-card:hover{border-top-color:var(--platform-accent)!important}.course-card.active{border-top-color:var(--platform-accent)!important;background:var(--platform-accent-soft)!important}.lesson-card,.library-lesson-card{border-radius:0!important;border:none!important;border-bottom:1px solid var(--platform-border)!important}.lesson-card:last-child,.library-lesson-card:last-child{border-bottom:none!important}.empty-state{border-radius:0!important;border:none!important;border-bottom:1px solid var(--platform-border)!important}.module-card{border-radius:0!important;box-shadow:none!important}.module-actions button,.lesson-actions button{border-radius:6px!important}.course-status,.lesson-status,.official-badge{border-radius:4px!important}.lesson-controls select,.lesson-card select{border-radius:6px!important}.course-viewer-layout{min-height:100vh;display:grid;grid-template-columns:280px minmax(0,1fr);background:var(--platform-bg);color:var(--platform-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;transition:grid-template-columns .2s ease}.course-viewer-layout.sidebar-collapsed{grid-template-columns:68px minmax(0,1fr)}.course-viewer-shell{min-height:100vh;display:grid;place-items:center;background:var(--platform-bg);color:var(--platform-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.course-viewer-shell.error,.course-viewer-error{color:var(--platform-danger)}.course-viewer-sidebar{position:sticky;top:0;height:100vh;overflow:auto;padding:24px;border-right:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);transition:padding .2s ease}.course-viewer-sidebar.collapsed{padding:20px 10px;overflow-x:hidden}.course-viewer-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.course-viewer-sidebar.collapsed .course-viewer-sidebar-head{justify-content:center}.course-viewer-sidebar-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex-shrink:0;margin-left:auto;width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:0;font-size:15px;font-weight:900;line-height:1;cursor:pointer}.course-viewer-sidebar-toggle:hover{border-color:var(--platform-accent);color:var(--platform-accent)}.course-viewer-sidebar.collapsed .course-viewer-sidebar-toggle{margin-left:0}.course-viewer-home-icon,.course-viewer-lesson-badge{display:none;width:26px;height:26px;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-heading);font-size:13px;font-weight:900;flex-shrink:0}.course-viewer-sidebar.collapsed .course-viewer-home-icon,.course-viewer-sidebar.collapsed .course-viewer-lesson-badge{display:flex;margin:0 auto}.course-viewer-sidebar.collapsed .course-viewer-home-card,.course-viewer-sidebar.collapsed .course-viewer-lesson{padding:8px 4px;display:grid;justify-items:center;gap:0}.course-viewer-sidebar.collapsed .course-viewer-home-card>span:not(.course-viewer-home-icon),.course-viewer-sidebar.collapsed .course-viewer-home-card small,.course-viewer-sidebar.collapsed .course-viewer-lesson>span:not(.course-viewer-lesson-badge),.course-viewer-sidebar.collapsed .course-viewer-lesson small,.course-viewer-sidebar.collapsed .course-viewer-module-title{display:none}.course-viewer-sidebar-head .settings-trigger{padding:9px 11px}.course-viewer-sidebar-head .settings-trigger span:last-child{display:none}.course-viewer-brand{font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--platform-accent);margin-bottom:22px}.course-viewer-course-card,.course-progress-card,.course-viewer-empty-page,.course-viewer-error{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:0;padding:20px;margin-bottom:24px;box-shadow:var(--platform-shadow-soft)}.course-viewer-eyebrow{color:var(--platform-accent);font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}.course-viewer-course-card h1{margin:0;color:var(--platform-heading);font-size:24px;line-height:1.1;letter-spacing:-.03em}.course-viewer-course-card p,.course-viewer-empty,.course-progress-meta,.course-viewer-current span,.course-viewer-lesson small{color:var(--platform-muted)}.course-viewer-nav,.course-viewer-lesson-list{display:grid;gap:10px}.course-viewer-module{border-top:1px solid var(--platform-border);padding-top:16px;margin-top:16px}.course-viewer-module-title{font-size:13px;font-weight:900;color:var(--platform-heading);letter-spacing:.02em;margin-bottom:10px}.course-viewer-empty{font-size:13px}.course-viewer-lesson{text-align:left;display:grid;gap:5px;width:100%;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:0;padding:12px;cursor:pointer}.course-viewer-lesson:hover,.course-viewer-lesson.active{border-color:var(--platform-accent);background:var(--platform-accent-soft)}.course-viewer-lesson span{font-weight:800}.course-viewer-lesson small{text-transform:capitalize}.course-viewer-main{min-width:0;background:var(--platform-bg)}.course-viewer-topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:120px minmax(0,1fr) 120px;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--platform-border);background:color-mix(in srgb,var(--platform-panel) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.course-viewer-topbar button{border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:0;padding:10px 12px;font-weight:900;cursor:pointer}.course-viewer-topbar button:disabled{opacity:.35;cursor:not-allowed}.course-viewer-current{min-width:0;text-align:center;font-weight:900;color:var(--platform-heading);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-viewer-current span{margin-left:10px;font-size:12px}.course-progress-card{border-radius:0;padding:16px;margin-bottom:18px}.course-progress-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.course-progress-row span{color:var(--platform-accent);font-weight:900}.course-progress-track{height:10px;border-radius:0;background:var(--platform-soft);overflow:hidden;border:1px solid var(--platform-border)}.course-progress-fill{height:100%;border-radius:0;background:var(--platform-accent);transition:width .18s ease}.course-progress-meta{margin-top:8px;font-size:12px}.course-progress-reset{margin-top:12px;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:0;padding:8px 10px;font-weight:800;cursor:pointer}.course-viewer-lesson.complete{border-color:var(--platform-success)}.course-viewer-lesson.complete small{color:var(--platform-success);font-weight:900}.course-viewer-lesson.complete span:before{content:"✓";display:inline-grid;place-items:center;width:18px;height:18px;margin-right:8px;border-radius:0;background:var(--platform-success-soft);color:var(--platform-success);font-size:12px;font-weight:900}.complete-action{background:var(--platform-success-soft)!important;color:var(--platform-success)!important;border-color:var(--platform-success)!important}.complete-action.done{opacity:.8}@media (max-width: 1000px){.course-viewer-layout,.course-viewer-layout.sidebar-collapsed{grid-template-columns:1fr}.course-viewer-sidebar{position:relative;height:auto}.course-viewer-sidebar-toggle{display:none}.course-viewer-sidebar.collapsed{padding:24px}.course-viewer-sidebar.collapsed .course-viewer-home-card>span:not(.course-viewer-home-icon),.course-viewer-sidebar.collapsed .course-viewer-home-card small,.course-viewer-sidebar.collapsed .course-viewer-lesson>span:not(.course-viewer-lesson-badge),.course-viewer-sidebar.collapsed .course-viewer-lesson small,.course-viewer-sidebar.collapsed .course-viewer-module-title{display:revert}.course-viewer-sidebar.collapsed .course-viewer-home-card,.course-viewer-sidebar.collapsed .course-viewer-lesson{padding:12px;display:grid;justify-items:stretch}.course-viewer-sidebar.collapsed .course-viewer-home-icon,.course-viewer-sidebar.collapsed .course-viewer-lesson-badge{display:none}.course-viewer-topbar{grid-template-columns:1fr}}.course-viewer-status{display:inline-flex;width:fit-content;align-items:center;justify-content:center;border-radius:0;padding:4px 10px;margin-bottom:10px;font-size:11px;font-weight:900;line-height:1;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-muted)}.course-viewer-status.draft{background:#60a5fa24;color:var(--platform-accent);border-color:#60a5fa52}.course-viewer-status.published{background:#22c55e24;color:var(--platform-success);border-color:#22c55e52}.course-viewer-status.archived{background:#94a3b829;color:var(--platform-muted);border-color:var(--platform-border)}.course-viewer-home-card{width:100%;text-align:left;display:grid;gap:4px;border:1px solid var(--platform-border, rgba(148, 163, 184, .22));background:var(--platform-soft, rgba(15, 23, 42, .62));color:var(--platform-text, #e5edf8);border-radius:0;padding:14px;margin-bottom:14px;cursor:pointer}.course-viewer-home-card:hover,.course-viewer-home-card.active{border-color:var(--platform-accent, #60a5fa);background:var(--platform-accent-soft, rgba(37, 99, 235, .22))}.course-viewer-home-card span{font-weight:900}.course-viewer-home-card small{color:var(--platform-muted, #9fb0c7)}.course-home-page{min-height:calc(100vh - 60px);background:var(--platform-bg, #f7f8fa);padding:48px 56px 96px;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.course-home-inner{max-width:1200px;margin:0 auto}.course-home-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:56px}.course-home-hero-copy{min-width:0;flex:1 1 480px}.course-home-eyebrow{color:var(--platform-accent, #2a75ca);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}.course-home-title{margin:0 0 14px;color:var(--platform-heading, #0b1526);font-size:clamp(38px,5.5vw,60px);font-weight:900;line-height:1.04;letter-spacing:-.02em}.course-home-description{margin:0 0 28px;max-width:640px;color:var(--platform-muted, #6b7280);font-size:17px;line-height:1.6}.course-home-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.course-home-start-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:999px;background:var(--platform-accent, #2a75ca);color:#fff;font:inherit;font-size:15px;font-weight:800;padding:14px 28px;cursor:pointer;box-shadow:0 10px 24px color-mix(in srgb,var(--platform-accent, #2a75ca) 30%,transparent);transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.course-home-start-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 30px color-mix(in srgb,var(--platform-accent, #2a75ca) 36%,transparent)}.course-home-start-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.course-home-next{color:var(--platform-muted, #6b7280);font-size:14.5px;font-weight:600}.course-home-progress-ring{position:relative;flex:0 0 auto;width:168px;height:168px;border-radius:50%;background:conic-gradient(var(--platform-accent, #2a75ca) calc(var(--progress, 0) * 1%),color-mix(in srgb,var(--platform-accent, #2a75ca) 24%,transparent) 0)}.course-home-progress-ring:before{content:"";position:absolute;top:14px;right:14px;bottom:14px;left:14px;border-radius:50%;background:var(--platform-bg, #f7f8fa)}.course-home-progress-ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.course-home-progress-ring-label strong{font-size:30px;font-weight:800;color:var(--platform-heading, #0b1526);line-height:1}.course-home-progress-ring-label span{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--platform-muted, #6b7280)}.course-home-path-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:36px}.course-home-path-head h2{margin:0;color:var(--platform-heading, #0b1526);font-size:28px;font-weight:800;letter-spacing:-.01em}.course-home-path-head p{margin:0;color:var(--platform-muted, #6b7280);font-size:14px;font-weight:600}.course-home-timeline{position:relative}.course-home-timeline:before{content:"";position:absolute;left:31px;top:32px;bottom:32px;width:2px;background:var(--platform-border, #dbe3ee);z-index:0}.course-home-module{position:relative;z-index:1;display:grid;grid-template-columns:64px 1fr;column-gap:28px;margin-bottom:44px}.course-home-module:last-child{margin-bottom:0}.course-home-module-marker{width:64px;height:64px;border-radius:50%;background:var(--platform-panel, #ffffff);border:2px solid var(--platform-accent, #2a75ca);display:flex;align-items:center;justify-content:center;color:var(--platform-accent, #2a75ca);font-size:18px;font-weight:800}.course-home-module-body{min-width:0;padding-top:10px}.course-home-module-title{margin:0 0 4px;color:var(--platform-heading, #0b1526);font-size:22px;font-weight:800;letter-spacing:-.01em}.course-home-module-count{margin:0 0 16px;color:var(--platform-muted, #6b7280);font-size:13px;font-weight:600}.course-home-lessons{display:flex;flex-wrap:wrap;gap:12px}.course-home-lesson{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--platform-border, #dbe3ee);border-radius:999px;background:var(--platform-panel, #ffffff);color:var(--platform-heading, #0b1526);font:inherit;font-size:14.5px;font-weight:700;padding:12px 18px;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.course-home-lesson:hover{border-color:var(--platform-accent, #2a75ca);box-shadow:0 6px 16px #0f172a14;transform:translateY(-1px)}.course-home-lesson-dot{width:8px;height:8px;border-radius:50%;background:color-mix(in srgb,var(--platform-accent, #2a75ca) 35%,transparent);flex-shrink:0}.course-home-lesson.complete .course-home-lesson-dot{background:var(--platform-accent, #2a75ca)}@media (max-width: 900px){.course-home-page{padding:28px 20px 64px}.course-home-hero{gap:24px}.course-home-module{grid-template-columns:48px 1fr;column-gap:18px}.course-home-module-marker{width:48px;height:48px;font-size:14px}.course-home-timeline:before{left:23px}}@media (max-width: 560px){.course-home-progress-ring{width:128px;height:128px}.course-home-progress-ring-label strong{font-size:24px}}.course-viewer-page{min-height:100vh;display:flex;flex-direction:column}.course-viewer-layout{flex:1}.course-viewer-page{min-height:100vh;background:var(--platform-bg)}.course-viewer-layout{min-height:calc(100vh - 60px);padding-top:0}.course-viewer-sidebar{top:60px;height:calc(100vh - 60px)}.course-viewer-main{min-height:calc(100vh - 60px)}.course-viewer-topbar{position:sticky;top:58px;z-index:10;display:flex;justify-content:flex-end;align-items:center;min-height:60px;padding:0 28px;border-bottom:1px solid var(--platform-border);background:color-mix(in srgb,var(--platform-panel) 94%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.course-viewer-sidebar .course-viewer-course-card,.course-viewer-sidebar .course-progress-card{display:none!important}.course-viewer-topbar{display:grid!important;grid-template-columns:minmax(0,1fr) auto!important;justify-content:initial!important;align-items:center!important;gap:18px!important;min-height:64px;padding:0 28px!important}.course-viewer-current{min-width:0;text-align:left;display:flex;align-items:baseline;gap:12px;overflow:hidden}.course-viewer-current strong{color:var(--platform-heading);font-size:15px;font-weight:950;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.course-viewer-current span{margin-left:0;color:var(--platform-muted);font-size:13px;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 720px){.course-viewer-topbar{grid-template-columns:1fr!important;align-items:stretch!important;padding:12px 18px!important}.course-viewer-current{display:grid;gap:3px}}.course-viewer-main>.lesson-page{min-height:calc(100vh - 64px)}.course-viewer-main .lesson-page{margin:0}.section-primary-action,.catalogue-primary{text-transform:none;letter-spacing:-.01em}.section-course-card,.catalogue-card,.section-course-group,.section-continue-card{position:relative}.section-course-card:before,.catalogue-card:before,.section-course-group:before,.section-continue-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--platform-accent);pointer-events:none}.platform-topbar{min-height:58px;width:100%;display:flex;align-items:center;gap:16px;padding:10px 24px;background:#07192efa;border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 1px #1f6feb66,0 4px 24px #00000047;position:fixed;top:0;left:0;right:0;z-index:1000;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}body{padding-top:58px}body:has(.front-page){padding-top:0}.platform-brand{flex:0 0 auto;display:flex;align-items:center;gap:12px;min-width:0;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left}.platform-brand-mark{flex:0 0 auto;width:3px;height:30px;background:linear-gradient(180deg,#60a5fa,#1f6feb);border-radius:2px;box-shadow:0 0 12px #60a5fa80}.platform-brand-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;line-height:1}.platform-brand-title{display:block;color:#f0f6ff;font-size:13px;font-weight:800;letter-spacing:.12em;line-height:1;font-family:Plus Jakarta Sans,system-ui,sans-serif;text-transform:uppercase}.platform-brand-subtitle{display:block;margin-top:3px;color:#60a5fa;font-size:10px;font-weight:700;letter-spacing:.22em;line-height:1;text-transform:uppercase;font-family:Plus Jakarta Sans,system-ui,sans-serif}.platform-topbar-title{flex:0 1 auto;color:#94a3b8;font-size:12px;font-weight:600;letter-spacing:.1em;line-height:1;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.platform-topbar-spacer{flex:1 1 auto;min-width:12px}.platform-topbar-right{flex:0 0 auto;display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-left:auto;min-width:max-content}.platform-topbar-actions{flex:0 0 auto;display:flex;align-items:center;gap:6px;white-space:nowrap}.platform-topbar-actions button,.platform-signout{flex:0 0 auto;border:1px solid rgba(255,255,255,.1);background:transparent;color:#94a3b8;border-radius:8px;padding:7px 14px;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;transition:border-color .15s ease,background .15s ease,color .15s ease}.platform-topbar-actions button:hover,.platform-signout:hover{border-color:#ffffff38;background:#ffffff0f;color:#e2e8f0}.platform-user-panel{flex:0 0 auto;display:flex;align-items:center;gap:8px;color:#64748b;font-size:13px;line-height:1;white-space:nowrap}.platform-user-panel strong{display:inline-block;color:#e2e8f0;font-size:13px;font-weight:600;line-height:1;white-space:nowrap}.platform-user-panel span{display:inline-block;color:#64748b;font-size:10px;font-weight:600;letter-spacing:.1em;line-height:1;text-transform:uppercase;white-space:nowrap}.platform-signout{margin-left:0}@media (max-width: 820px){.platform-topbar{gap:10px;padding:10px 12px}.platform-topbar-title,.platform-topbar-actions{display:none}.platform-user-panel{gap:6px}.platform-user-panel span{display:none}}.platform-topbar-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:min(42vw,720px);pointer-events:none}.teu-editor-topbar-title{overflow:hidden;color:#f8fafc;font-family:Plus Jakarta Sans,system-ui,sans-serif;font-size:20px;font-weight:800;line-height:1.1;text-align:center;text-overflow:ellipsis;white-space:nowrap}.platform-topbar-editor-actions{display:flex;align-items:center;gap:10px}.platform-topbar-editor-actions button{min-height:38px;border-radius:7px;padding:8px 15px;font:inherit;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap}.platform-topbar-editor-actions button:disabled{cursor:wait;opacity:.65}.teu-topbar-secondary-button{border:1px solid rgba(255,255,255,.16);background:#ffffff0a;color:#e2e8f0}.teu-topbar-secondary-button:hover:not(:disabled){border-color:#ffffff47;background:#ffffff17}.teu-topbar-publish-button{border:1px solid #1f6feb;background:#0969da;color:#fff}.teu-topbar-publish-button:hover:not(:disabled){background:#1f6feb}@media (max-width: 1100px){.platform-topbar-center{display:none}}@media (max-width: 820px){.platform-topbar-editor-actions .teu-topbar-secondary-button{display:none}}.settings-menu{position:relative;display:inline-flex;z-index:90}.settings-trigger{border:1px solid var(--platform-border, #d9e1ec);background:var(--platform-panel, #ffffff);color:var(--platform-text, #172033);border-radius:999px;padding:11px 14px;display:inline-flex;align-items:center;gap:8px;font-weight:850;cursor:pointer;box-shadow:var(--platform-shadow-soft, 0 10px 24px rgba(15, 23, 42, .08))}.settings-trigger:hover{background:var(--platform-soft, #f1f5f9)}.settings-trigger-icon{line-height:1}.settings-popover{position:absolute;top:calc(100% + 10px);right:0;width:280px;border:1px solid var(--platform-border, #d9e1ec);background:var(--platform-panel, #ffffff);color:var(--platform-text, #172033);border-radius:18px;padding:14px;box-shadow:var(--platform-shadow-strong, 0 24px 70px rgba(15, 23, 42, .22))}.settings-popover-head{display:grid;gap:4px;padding:4px 4px 12px;border-bottom:1px solid var(--platform-border, #d9e1ec)}.settings-popover-head span,.settings-option small{color:var(--platform-muted, #64748b);font-size:12px}.settings-section-label{color:var(--platform-accent, #2563eb);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin:14px 4px 8px}.settings-options{display:grid;gap:8px}.settings-option{width:100%;border:1px solid var(--platform-border, #d9e1ec);background:var(--platform-soft, #f8fafc);color:var(--platform-text, #172033);border-radius:14px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;cursor:pointer}.settings-option span{display:grid;gap:3px}.settings-option.active{border-color:var(--platform-accent, #2563eb);background:var(--platform-accent-soft, #eff6ff)}:root[data-platform-theme=dark] .settings-trigger,:root[data-platform-theme=dark] .settings-popover,:root[data-platform-theme=dark] .settings-option{box-shadow:none}.course-catalogue-shell,.course-catalogue-page{min-height:100vh;background:var(--platform-bg);color:var(--platform-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.course-catalogue-shell{display:grid;place-items:center;padding:32px}.course-catalogue-shell.error{color:var(--platform-danger, #ef4444)}.course-catalogue-page{padding:40px}.catalogue-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin:0 auto 28px;max-width:1440px}.catalogue-eyebrow{color:var(--platform-accent);font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}.catalogue-hero h1{margin:0;color:var(--platform-text);font-size:clamp(42px,6vw,72px);line-height:.92;letter-spacing:-.055em}.catalogue-hero p,.catalogue-results-head p,.catalogue-empty p,.catalogue-card p{color:var(--platform-muted);line-height:1.6}.catalogue-hero p{max-width:760px;font-size:18px;margin:14px 0 0}.catalogue-filters{max-width:1440px;margin:0 auto 28px;display:grid;grid-template-columns:minmax(260px,1fr) 240px 220px;gap:14px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:0;padding:18px;box-shadow:0 18px 50px #0f172a14}.catalogue-filters label{display:grid;gap:7px;color:var(--platform-muted);font-size:12px;font-weight:850;letter-spacing:.04em;text-transform:uppercase}.catalogue-filters input,.catalogue-filters select{min-height:44px;border:1px solid var(--platform-border);border-radius:0;background:var(--platform-soft);color:var(--platform-text);padding:10px 12px;font:inherit;font-weight:700}.catalogue-results-head{max-width:1440px;margin:0 auto 18px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px}.catalogue-results-head h2,.catalogue-empty h2{margin:0;color:var(--platform-text);letter-spacing:-.035em}.catalogue-results-head p{margin:6px 0 0}.catalogue-clear{border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:0;padding:10px 12px;font-weight:850;cursor:pointer}.catalogue-grid{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.catalogue-card{display:grid;grid-template-rows:210px 1fr;overflow:hidden;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:0;box-shadow:0 18px 50px #0f172a1a}.catalogue-card-media{display:block;position:relative;overflow:hidden;background:var(--platform-soft);text-decoration:none}.catalogue-card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .22s ease}.catalogue-card:hover .catalogue-card-media img{transform:scale(1.035)}.catalogue-card-placeholder{height:100%;display:grid;place-items:center;background:radial-gradient(circle at top left,color-mix(in srgb,var(--platform-accent) 22%,transparent),transparent 34rem),linear-gradient(135deg,var(--platform-panel),var(--platform-soft))}.catalogue-card-placeholder span{color:var(--platform-accent);font-weight:950;text-transform:uppercase;letter-spacing:.12em}.catalogue-card-body{display:grid;gap:13px;padding:20px}.catalogue-card-meta,.catalogue-tags{display:flex;gap:8px;flex-wrap:wrap}.catalogue-card-meta span,.catalogue-tags span{display:inline-flex;width:fit-content;border-radius:0;padding:4px 9px;font-size:11px;font-weight:900;letter-spacing:.04em}.catalogue-card-meta span{color:var(--platform-accent);background:var(--platform-accent-soft)}.catalogue-tags span{color:var(--platform-muted);background:var(--platform-soft);border:1px solid var(--platform-border)}.catalogue-card h3{margin:0;color:var(--platform-text);font-size:24px;line-height:1.08;letter-spacing:-.035em}.catalogue-card p{margin:0}.catalogue-card-progress{margin-top:4px}.catalogue-progress-row{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px;color:var(--platform-muted);font-size:12px;font-weight:850}.catalogue-progress-row strong{color:var(--platform-accent)}.catalogue-progress-track{height:9px;border-radius:0;border:1px solid var(--platform-border);background:var(--platform-soft);overflow:hidden}.catalogue-progress-fill{height:100%;border-radius:0;background:var(--platform-accent)}.catalogue-card-actions{display:flex;gap:10px;margin-top:4px}.catalogue-primary,.catalogue-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:0;padding:10px 13px;font-weight:900;text-decoration:none}.catalogue-primary{color:#fff;background:var(--platform-accent)}.catalogue-secondary{color:var(--platform-text);background:var(--platform-soft);border:1px solid var(--platform-border)}.catalogue-empty{max-width:1440px;margin:0 auto;border:1px dashed var(--platform-border);background:var(--platform-panel);color:var(--platform-text);border-radius:0;padding:28px}@media (max-width: 1180px){.catalogue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 760px){.course-catalogue-page{padding:24px}.catalogue-hero,.catalogue-results-head{flex-direction:column;align-items:stretch}.catalogue-filters,.catalogue-grid{grid-template-columns:1fr}}button.catalogue-card-media,button.catalogue-primary,button.catalogue-secondary{font:inherit;cursor:pointer}button.catalogue-card-media{width:100%;border:0;padding:0;text-align:inherit}button.catalogue-primary,button.catalogue-secondary{border:0}.course-catalogue-shell,.course-catalogue-page{background:radial-gradient(circle at 10% 0%,color-mix(in srgb,var(--platform-accent) 15%,transparent),transparent 34rem),linear-gradient(180deg,color-mix(in srgb,var(--platform-panel) 38%,var(--platform-bg)),var(--platform-bg) 56%)}.course-catalogue-page{padding:36px 44px 88px}.catalogue-hero,.catalogue-filters,.catalogue-results-head,.catalogue-grid,.catalogue-empty{max-width:1220px}.catalogue-hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:34px;margin-bottom:22px;padding:clamp(26px,4vw,42px);overflow:hidden;border:1px solid color-mix(in srgb,var(--platform-border) 82%,transparent);border-radius:0;background:radial-gradient(circle at 0% 0%,color-mix(in srgb,var(--platform-accent) 13%,transparent),transparent 28rem),color-mix(in srgb,var(--platform-panel) 96%,transparent);box-shadow:0 28px 90px #0f172a1a}.catalogue-hero:after{content:"";position:absolute;right:-130px;bottom:-150px;width:360px;height:360px;border-radius:0;background:color-mix(in srgb,var(--platform-accent) 10%,transparent);pointer-events:none}.catalogue-hero>*{position:relative;z-index:1}.catalogue-eyebrow{font-size:12px;font-weight:950;letter-spacing:.14em}.catalogue-hero h1{max-width:820px;color:var(--platform-heading);font-size:clamp(46px,7vw,86px);line-height:.9;letter-spacing:-.065em}.catalogue-hero p{max-width:720px;color:color-mix(in srgb,var(--platform-muted) 86%,var(--platform-text));font-size:17px}.catalogue-section-banner{width:fit-content;margin-top:22px;padding:10px 16px;display:inline-flex;align-items:center;gap:10px;border:1px solid var(--platform-border);border-radius:0;background:var(--platform-panel)}.catalogue-section-banner span{color:var(--platform-muted);font-size:11px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.catalogue-section-banner strong{color:var(--platform-heading);font-size:14px;font-weight:950;letter-spacing:.08em}.catalogue-hero .settings-trigger{border-radius:0;background:var(--platform-panel);box-shadow:0 14px 34px #0f172a1f}.catalogue-filters{grid-template-columns:minmax(280px,1fr) minmax(180px,240px) minmax(160px,220px);margin-bottom:24px;border-radius:0;background:color-mix(in srgb,var(--platform-panel) 96%,transparent);box-shadow:0 20px 60px #0f172a14}.catalogue-filters input,.catalogue-filters select{border-radius:0;background:var(--platform-soft)}.catalogue-filters input:focus,.catalogue-filters select:focus{outline:4px solid color-mix(in srgb,var(--platform-accent) 18%,transparent);border-color:var(--platform-accent)}.catalogue-results-head{margin-bottom:16px}.catalogue-results-head h2,.catalogue-empty h2{color:var(--platform-heading);font-size:30px}.catalogue-clear{border-radius:0;padding:11px 16px;background:color-mix(in srgb,var(--platform-panel) 86%,transparent)}.catalogue-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}.catalogue-card{grid-template-rows:178px 1fr;border-radius:0;box-shadow:0 18px 48px #0f172a1a;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.catalogue-card:hover{transform:translateY(-2px);border-color:var(--platform-accent);box-shadow:0 24px 64px #0f172a21}.catalogue-card-placeholder{background:radial-gradient(circle at 24% 18%,color-mix(in srgb,var(--platform-accent) 20%,transparent),transparent 14rem),linear-gradient(135deg,color-mix(in srgb,var(--platform-panel) 86%,var(--platform-soft)),var(--platform-soft))}.catalogue-card-body{gap:12px;padding:21px}.catalogue-card h3{color:var(--platform-heading);font-size:23px}.catalogue-card-meta span{background:color-mix(in srgb,var(--platform-accent-soft) 52%,var(--platform-soft));color:color-mix(in srgb,var(--platform-accent) 82%,var(--platform-text))}.catalogue-tags span{background:color-mix(in srgb,var(--platform-soft) 84%,transparent)}.catalogue-progress-track{height:9px}.catalogue-progress-fill{background:linear-gradient(90deg,var(--platform-accent),color-mix(in srgb,var(--platform-accent) 68%,var(--platform-text)))}.catalogue-card-actions{margin-top:6px}.catalogue-primary,.catalogue-secondary,button.catalogue-primary,button.catalogue-secondary{border-radius:0;min-height:42px;padding:10px 16px;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease}.catalogue-primary,button.catalogue-primary{color:#fff;background:var(--platform-accent);box-shadow:0 16px 34px color-mix(in srgb,var(--platform-accent) 24%,transparent)}.catalogue-secondary,button.catalogue-secondary{color:var(--platform-text);background:var(--platform-panel);border:1px solid var(--platform-border)}.catalogue-primary:hover,.catalogue-secondary:hover{transform:translateY(-1px)}.catalogue-empty{border-radius:0;padding:30px;background:color-mix(in srgb,var(--platform-panel) 96%,transparent);box-shadow:0 20px 60px #0f172a14}@media (max-width: 900px){.course-catalogue-page{padding:24px 20px 72px}.catalogue-hero{grid-template-columns:1fr;border-radius:0}}@media (max-width: 760px){.catalogue-hero,.catalogue-results-head{display:grid;align-items:stretch}.catalogue-filters,.catalogue-grid{grid-template-columns:1fr}}*,*:before,*:after{box-sizing:border-box}button,input,select,textarea,.section-code-pill,.catalogue-section-banner,.course-viewer-status,.catalogue-card-meta span,.catalogue-tags span,.section-course-meta span,.course-progress-track,.catalogue-progress-track,.section-progress-track{border-radius:0!important}.section-primary-action,.catalogue-primary,.course-landing-primary{text-transform:none;letter-spacing:-.01em}.section-course-card,.catalogue-card,.course-landing-hero,.course-landing-outline,.section-course-group,.section-continue-card{position:relative}.section-course-card:before,.catalogue-card:before,.course-landing-hero:before,.course-landing-outline:before,.section-course-group:before,.section-continue-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--platform-accent);pointer-events:none}.section-landing-shell,.section-landing-page,.student-profile-page{min-height:100vh;width:100%;box-sizing:border-box;background:var(--platform-bg);color:var(--platform-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.section-landing-shell{display:grid;place-items:center;padding:48px 24px;font-size:16px;font-weight:600}.section-landing-shell.error{color:var(--platform-danger)}.section-landing-page{padding:40px 48px 96px}.section-landing-page>.section-landing-hero,.section-landing-page>.section-continue-card,.section-landing-page>.section-course-group{width:min(1180px,100%);margin-left:auto;margin-right:auto;box-sizing:border-box}.section-landing-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:start;margin-bottom:32px}.section-landing-hero-copy{min-width:0}.section-eyebrow{color:var(--platform-accent);font-size:12px;font-weight:800;letter-spacing:.1em;line-height:1;text-transform:uppercase}.section-code-pill{width:fit-content;margin:0 0 18px;padding:9px 14px;display:inline-flex;align-items:center;gap:10px;border-radius:10px;background:var(--platform-panel);border:1px solid var(--platform-border);color:var(--platform-text)}.section-code-pill span{color:var(--platform-muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.section-code-pill strong{color:var(--platform-heading);font-size:14px;font-weight:800;letter-spacing:.02em}.section-welcome-name{width:fit-content;display:flex;align-items:center;gap:10px;margin:0 0 20px;padding:10px 14px;border-radius:10px;background:var(--platform-panel);border:1px solid var(--platform-border);color:var(--platform-muted);font-size:14px;font-weight:500}.section-welcome-name strong{color:var(--platform-heading);font-weight:700}.section-welcome-name button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--platform-border);background:var(--platform-soft);color:var(--platform-text);border-radius:8px;padding:5px 11px;font:inherit;font-size:12px;font-weight:700;line-height:1.2;cursor:pointer}.section-welcome-name button:hover{border-color:var(--platform-accent);background:var(--platform-accent-soft)}.section-landing-hero-copy h1{margin:0 0 14px;max-width:780px;color:var(--platform-heading);font-size:clamp(34px,4.4vw,54px);font-weight:800;line-height:1.05;letter-spacing:-.025em}.section-landing-hero-copy p{max-width:640px;margin:0 0 24px;color:var(--platform-muted);font-size:16px;line-height:1.6}.section-landing-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.section-landing-side{min-width:0;display:flex;justify-content:flex-end}.section-landing-side .settings-trigger{border-radius:10px}.section-primary-action,.section-secondary-action{-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:10px;padding:13px 20px;font:inherit;font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease}.section-primary-action{border:0;background:var(--platform-accent);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--platform-accent) 24%,transparent)}.section-primary-action:hover{background:var(--platform-accent-hover, var(--platform-accent))}.section-secondary-action{border:1px solid var(--platform-border);background:var(--platform-panel);color:var(--platform-text)}.section-secondary-action:hover{border-color:var(--platform-accent)}.section-primary-action:active,.section-secondary-action:active{transform:translateY(1px)}.section-primary-action.compact,.section-secondary-action.compact{padding:9px 14px;border-radius:8px;font-size:13px}.section-primary-action:disabled,.section-secondary-action:disabled{opacity:.5;cursor:not-allowed;transform:none}.section-continue-card{margin-bottom:22px;padding:24px 28px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;border:1px solid var(--platform-border);border-left:4px solid var(--platform-accent);background:var(--platform-panel);border-radius:14px;box-shadow:0 1px 2px #0f172a0a,0 12px 32px #0f172a0f}.section-continue-card h2{margin:6px 0 8px;color:var(--platform-heading);font-size:22px;font-weight:800;line-height:1.2;letter-spacing:-.015em}.section-continue-card p{margin:0 0 14px;color:var(--platform-muted);font-size:15px;line-height:1.5}.section-continue-card .section-progress-block{max-width:720px}.section-course-group{margin-bottom:22px;padding:24px;border:1px solid var(--platform-border);background:var(--platform-panel);border-radius:14px;box-shadow:0 1px 2px #0f172a0a}.section-course-group-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.section-course-group h2{margin:0;color:var(--platform-heading);font-size:20px;font-weight:800;line-height:1.2;letter-spacing:-.015em}.section-course-group-head>span{flex:0 0 auto;min-width:34px;height:34px;display:grid;place-items:center;border-radius:999px;background:var(--platform-soft);border:1px solid var(--platform-border);color:var(--platform-heading);font-weight:800;font-size:13px}.section-empty-card{padding:16px 18px;border-radius:10px;background:var(--platform-soft);border:1px dashed var(--platform-border);color:var(--platform-muted);font-size:14px;font-weight:500}.section-course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,280px));gap:18px;align-items:stretch}.section-course-card{width:100%;overflow:hidden;display:grid;grid-template-rows:150px minmax(0,1fr);border-radius:14px;background:var(--platform-panel);border:1px solid var(--platform-border);box-shadow:0 1px 2px #0f172a0a;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.section-course-card:hover{transform:translateY(-2px);border-color:var(--platform-accent);box-shadow:0 12px 28px #0f172a14}.section-course-media{min-width:0;height:150px;background:var(--platform-soft);border-bottom:1px solid var(--platform-border)}.section-course-media img{width:100%;height:100%;object-fit:cover;display:block}.section-course-placeholder{width:100%;height:100%;display:grid;place-items:center;background:var(--platform-soft);color:var(--platform-accent);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.section-course-body{min-width:0;padding:18px;display:grid;align-content:start}.section-course-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.section-course-meta span{padding:4px 10px;border-radius:999px;background:color-mix(in srgb,var(--platform-accent-soft) 60%,var(--platform-soft));color:color-mix(in srgb,var(--platform-accent) 80%,var(--platform-text));font-size:11px;font-weight:700}.section-course-body h3{margin:0 0 8px;color:var(--platform-heading);font-size:18px;font-weight:750;line-height:1.25;letter-spacing:-.01em}.section-course-body p{margin:0 0 14px;color:var(--platform-muted);font-size:14px;line-height:1.45}.section-course-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.section-progress-block{display:grid;gap:8px}.section-progress-row{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--platform-muted);font-size:12px;font-weight:700}.section-progress-row strong{color:var(--platform-heading)}.section-progress-track{height:8px;overflow:hidden;border-radius:999px;background:var(--platform-soft)}.section-progress-fill{height:100%;border-radius:999px;background:var(--platform-accent);transition:width .18s ease}.student-profile-page{padding:56px 24px;display:grid;place-items:center}.section-profile-setup{width:min(440px,100%)}.section-profile-card{width:100%;box-sizing:border-box;padding:32px 32px 28px;background:var(--platform-panel);border:1px solid var(--platform-border);border-radius:14px;box-shadow:0 1px 2px #0f172a0a,0 16px 40px #0f172a14}.section-profile-card h1{margin:10px 0 8px;color:var(--platform-heading);font-size:24px;font-weight:800;line-height:1.3;letter-spacing:-.015em}.section-profile-card p{margin:0 0 18px;color:var(--platform-muted);font-size:14px;line-height:1.55}.section-profile-card .section-code-pill{margin:0 0 22px}.section-profile-form{display:grid;gap:6px}.section-profile-form label span{color:var(--platform-heading);font-size:13px;font-weight:700}.section-profile-form input{box-sizing:border-box;min-height:44px;padding:10px 13px;border:1px solid var(--platform-border);border-radius:10px;background:var(--platform-soft);color:var(--platform-text);font:inherit;font-size:14px}.section-profile-form input:focus{outline:3px solid color-mix(in srgb,var(--platform-accent) 20%,transparent);border-color:var(--platform-accent)}.section-profile-form .section-primary-action{margin-top:16px;width:100%}.section-profile-error{margin-top:10px;padding:10px 12px;border-radius:8px;background:color-mix(in srgb,var(--platform-danger) 8%,transparent);border:1px solid var(--platform-danger);color:var(--platform-danger);font-size:12.5px;font-weight:600;line-height:1.4}@media (max-width: 900px){.section-landing-page{padding:24px 20px 72px}.section-landing-hero{grid-template-columns:1fr;gap:20px}.section-landing-side{justify-content:flex-start}.section-continue-card{grid-template-columns:1fr;align-items:start}}@media (max-width: 560px){.section-landing-page{padding:20px 16px 64px}.section-course-grid{grid-template-columns:1fr}.section-continue-card,.section-course-group{padding:20px}.student-profile-page{padding:32px 16px}.section-profile-card{padding:26px 22px 22px}.section-profile-card h1{font-size:22px}}.lesson-page{--lp-bg: #03050c;--lp-bg-gradient: radial-gradient(circle at 10% 10%, rgba(0,102,204,.18), transparent 24%), radial-gradient(circle at 90% 20%, rgba(0,169,183,.12), transparent 26%), linear-gradient(180deg, #06101c, #0b1628 52%, #08101a);--lp-panel: rgba(18,28,45,.9);--lp-panel-strong: rgba(16,32,51,.9);--lp-text: #f2f3f6;--lp-heading: #ffffff;--lp-body: #c7cfdd;--lp-muted: #a6afbf;--lp-border: rgba(255,255,255,.12);--lp-plugin-bg: #06101c;--lp-accent: #5fb3ff;--lp-accent-alt: #00a9b7;--lp-accent-warm: #ffb000;--lp-accent-danger: #e85d75;--lp-accent-success: #4cd964;--lp-font-body: "Barlow", system-ui, sans-serif;--lp-font-head: "Barlow Condensed", system-ui, sans-serif;--lp-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--lp-radius: 14px;--lp-radius-sm: 8px;--lp-shadow: 0 10px 30px rgba(0,0,0,.18);--lp-max-width: 1180px;--lp-max-width-wide: 1600px;--lp-block-gap: 0px;--lp-block-padding-y: 20px;--lp-block-padding-x: 24px;--lp-card-bg: var(--lp-panel);--lp-card-border: 1px solid var(--lp-border);--lp-card-accent-top: 4px solid var(--lp-accent);--lp-card-left: 3px solid var(--lp-accent);--lp-kicker-color: var(--lp-accent);--lp-num-color: rgba(0,102,204,.32);--lp-question-bg: rgba(8,22,40,.7);--lp-question-border: rgba(95,179,255,.22);--lp-option-bg: rgba(8,22,40,.72);--lp-option-border: rgba(95,179,255,.22);--lp-option-color: #eaf2ff;--lp-option-hover-bg: rgba(18,44,76,.9);--lp-launch-bg: rgba(47,155,255,.16);--lp-launch-border: rgba(95,179,255,.65);--lp-launch-color: #78c8ff;--lp-equation-bg: rgba(0,102,204,.16);--lp-topbar-bg: color-mix(in srgb, var(--lp-bg) 92%, transparent);min-height:100vh;background:var(--lp-bg-gradient);color:var(--lp-text);font-family:var(--lp-font-body);box-sizing:border-box}.lesson-page *{box-sizing:border-box}.lesson-page.dark{--lp-bg: #03050c;--lp-bg-gradient: radial-gradient(circle at 10% 10%, rgba(0,102,204,.18), transparent 24%), radial-gradient(circle at 90% 20%, rgba(0,169,183,.12), transparent 26%), linear-gradient(180deg, #06101c, #0b1628 52%, #08101a);--lp-panel: rgba(18,28,45,.9);--lp-panel-strong: rgba(16,32,51,.9);--lp-text: #f2f3f6;--lp-heading: #ffffff;--lp-body: #c7cfdd;--lp-muted: #a6afbf;--lp-border: rgba(255,255,255,.12);--lp-plugin-bg: #06101c}.lesson-page.light{--lp-bg: #f5f7fb;--lp-bg-gradient: radial-gradient(circle at 10% 10%, rgba(0,102,204,.1), transparent 24%), radial-gradient(circle at 90% 20%, rgba(0,169,183,.08), transparent 26%), linear-gradient(180deg, #ffffff, #eef3f9 62%, #f8fafc);--lp-panel: rgba(255,255,255,.94);--lp-panel-strong: rgba(239,246,255,.94);--lp-text: #172033;--lp-heading: #0f172a;--lp-body: #334155;--lp-muted: #64748b;--lp-border: rgba(15,23,42,.14);--lp-plugin-bg: #06101c;--lp-question-bg: rgba(240,246,255,.8);--lp-option-bg: rgba(240,246,255,.8);--lp-option-color: #1e2a3a;--lp-option-hover-bg: rgba(210,230,255,.9);--lp-equation-bg: rgba(0,102,204,.08);--lp-num-color: rgba(0,102,204,.2);--lp-launch-bg: rgba(0,102,204,.1);--lp-launch-border:rgba(0,102,204,.4);--lp-launch-color: #0066cc}.lesson-page.system{--lp-bg: var(--platform-bg, #f5f7fb);--lp-bg-gradient: var(--platform-bg, #f5f7fb);--lp-panel: var(--platform-panel, #ffffff);--lp-panel-strong: var(--platform-panel-strong, #eff6ff);--lp-text: var(--platform-text, #172033);--lp-heading: var(--platform-heading, #0f172a);--lp-body: var(--platform-muted, #475569);--lp-muted: var(--platform-muted, #64748b);--lp-border: var(--platform-border, #d9e1ec);--lp-plugin-bg: #06101c}.lesson-page.lesson-style-classic{--lp-bg: #f2f2f2;--lp-bg-gradient: #f2f2f2;--lp-panel: #ffffff;--lp-panel-strong: #f6f6f6;--lp-text: #1d1d1d;--lp-heading: #1d1d1d;--lp-body: #374151;--lp-muted: #6b7280;--lp-border: #e5e7eb;--lp-plugin-bg: #111111;--lp-accent: #f6821f;--lp-accent-alt: #0ea5e9;--lp-accent-warm: #f59e0b;--lp-accent-danger: #c0392b;--lp-accent-success: #00a86b;--lp-font-body: "Helvetica Neue", Arial, ui-sans-serif, system-ui, -apple-system, sans-serif;--lp-font-head: "Helvetica Neue", Arial, ui-sans-serif, system-ui, -apple-system, sans-serif;--lp-radius: 6px;--lp-radius-sm: 4px;--lp-shadow: none;--lp-max-width: 860px;--lp-card-bg: var(--lp-panel);--lp-card-border: 1px solid var(--lp-border);--lp-card-accent-top: 1px solid var(--lp-border);--lp-card-left: 4px solid var(--lp-accent);--lp-kicker-color: var(--lp-accent);--lp-num-color: var(--lp-accent);--lp-question-bg: #fff4e8;--lp-question-border: #fde8cc;--lp-option-bg: #ffffff;--lp-option-border: #e5e7eb;--lp-option-color: #1d1d1d;--lp-option-hover-bg: #fff4e8;--lp-launch-bg: var(--lp-accent);--lp-launch-border: var(--lp-accent);--lp-launch-color: #ffffff;--lp-equation-bg: #fff4e8;--lp-topbar-bg: #ffffff}.lesson-page.lesson-style-classic.light{--lp-bg: #f2f2f2;--lp-bg-gradient: #f2f2f2;--lp-panel: #ffffff;--lp-panel-strong: #f6f6f6;--lp-text: #1d1d1d;--lp-heading: #1d1d1d;--lp-body: #374151;--lp-muted: #6b7280;--lp-border: #e5e7eb;--lp-topbar-bg: #ffffff}.lesson-page.lesson-style-classic.dark{--lp-bg: #0b0f16;--lp-bg-gradient: #0b0f16;--lp-panel: #111827;--lp-panel-strong: #182233;--lp-text: #f3f4f6;--lp-heading: #ffffff;--lp-body: #d1d5db;--lp-muted: #9ca3af;--lp-border: #2f3a4a;--lp-topbar-bg: #111827}.lesson-page.lesson-style-fun{--lp-bg: #f8f8f6;--lp-bg-gradient: #f8f8f6;--lp-panel: #ffffff;--lp-panel-strong: #f4f4f2;--lp-text: #1a1a2e;--lp-heading: #1a1a2e;--lp-body: #3d3d5c;--lp-muted: #7c7c9e;--lp-border: #e8e8e4;--lp-plugin-bg: #1a1a2e;--lp-accent: #ffb700;--lp-accent-alt: #ff6b8a;--lp-accent-warm: #ff8c42;--lp-accent-danger: #ff4757;--lp-accent-success: #2ed573;--lp-font-body: "Lexend", system-ui, sans-serif;--lp-font-head: "Fredoka", system-ui, sans-serif;--lp-radius: 0px;--lp-radius-sm: 0px;--lp-shadow: 0 2px 8px rgba(0,0,0,.06);--lp-max-width: 960px;--lp-card-bg: var(--lp-panel);--lp-card-border: 2px solid var(--lp-border);--lp-card-accent-top: 5px solid var(--lp-accent);--lp-card-left: 5px solid var(--lp-accent);--lp-kicker-color: var(--lp-accent-alt);--lp-num-color: var(--lp-accent);--lp-question-bg: #fffde8;--lp-question-border: #ffe082;--lp-option-bg: #ffffff;--lp-option-border: #e8e8e4;--lp-option-color: #1a1a2e;--lp-option-hover-bg: #fff9e0;--lp-launch-bg: var(--lp-accent);--lp-launch-border: var(--lp-accent);--lp-launch-color: #1a1a2e;--lp-equation-bg: #fffde8;--lp-topbar-bg: #ffffff}.lesson-page.lesson-style-fun .hero{border-top:6px solid;border-image:linear-gradient(90deg,#ffb700,#ff6b8a,#3cd2a0) 1}.lesson-page.lesson-style-fun h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page.lesson-style-fun h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page.lesson-style-fun h3:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-family:var(--lp-font-head);font-weight:700;letter-spacing:.01em}.lesson-page.lesson-style-fun .callout.gold,.lesson-page.lesson-style-fun .card.gold{--lp-card-left: 5px solid var(--lp-accent-alt);border-left:5px solid var(--lp-accent-alt);background:color-mix(in srgb,var(--lp-accent-alt) 7%,var(--lp-panel))}.lesson-page.lesson-style-fun .section-kicker{display:inline-block;background:color-mix(in srgb,var(--lp-accent-alt) 12%,transparent);color:var(--lp-accent-alt);padding:2px 8px;font-size:.78em;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(1){border-left-color:#ffb700}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(2){border-left-color:#ff6b8a}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(3){border-left-color:#3cd2a0}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(4){border-left-color:#a78bfa}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(5){border-left-color:#ff8c42}.lesson-page.lesson-style-fun .lesson-flow>div:nth-child(n+6){border-left-color:#ffb700}.lesson-page.lesson-style-fun footer{font-size:15px;font-weight:500}.lesson-page.lesson-style-fun .assessment-option:hover{transform:none;border-color:var(--lp-accent);background:var(--lp-option-hover-bg)}.lesson-page.lesson-style-eduniverse{--lp-bg: #f9fafb;--lp-bg-gradient: #f9fafb;--lp-panel: #ffffff;--lp-panel-strong: #f3f4f6;--lp-text: #111827;--lp-heading: #07192e;--lp-body: #374151;--lp-muted: #6b7280;--lp-border: #e5e7eb;--lp-plugin-bg: #07192e;--lp-accent: #1f6feb;--lp-accent-alt: #0d9488;--lp-accent-warm: #d97706;--lp-accent-danger: #dc2626;--lp-accent-success: #0d9488;--lp-font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;--lp-font-head: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;--lp-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--lp-radius: 6px;--lp-radius-sm: 4px;--lp-shadow: none;--lp-max-width: 960px;--lp-max-width-wide: 1440px;--lp-card-bg: var(--lp-panel);--lp-card-border: 1px solid var(--lp-border);--lp-card-accent-top: 3px solid var(--lp-accent);--lp-card-left: 3px solid var(--lp-accent);--lp-kicker-color: var(--lp-accent-alt);--lp-num-color: var(--lp-accent);--lp-question-bg: #f0f7ff;--lp-question-border: #bfdbfe;--lp-option-bg: #ffffff;--lp-option-border: #e5e7eb;--lp-option-color: #111827;--lp-option-hover-bg: #eff6ff;--lp-launch-bg: var(--lp-accent);--lp-launch-border: var(--lp-accent);--lp-launch-color: #ffffff;--lp-equation-bg: #eff6ff;--lp-topbar-bg: #ffffff}.lesson-page.lesson-style-eduniverse h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page.lesson-style-eduniverse h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page.lesson-style-eduniverse h3:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page.lesson-style-eduniverse h4:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-family:var(--lp-font-head);font-weight:800;letter-spacing:-.03em}.lesson-page.lesson-style-eduniverse .section-kicker,.lesson-page.lesson-style-eduniverse .hero-kicker{color:var(--lp-accent-alt);font-family:var(--lp-font-body);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.lesson-page.lesson-style-eduniverse .card,.lesson-page.lesson-style-eduniverse .callout{border-left:3px solid var(--lp-accent);box-shadow:none}.lesson-page.lesson-style-eduniverse .card.teal,.lesson-page.lesson-style-eduniverse .callout.teal{border-left-color:#0d9488}.lesson-page.lesson-style-eduniverse .card.gold,.lesson-page.lesson-style-eduniverse .callout.gold{border-left-color:#d97706}.lesson-page.lesson-style-eduniverse .card.red,.lesson-page.lesson-style-eduniverse .callout.red{border-left-color:#dc2626}.lesson-page.lesson-style-eduniverse .section-head{border-bottom:2px solid var(--lp-border);padding-bottom:12px}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(1){border-left-color:#1f6feb}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(2){border-left-color:#0d9488}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(3){border-left-color:#d97706}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(4){border-left-color:#8b5cf6}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(5){border-left-color:#0d9488}.lesson-page.lesson-style-eduniverse .lesson-flow>div:nth-child(n+6){border-left-color:#1f6feb}.lesson-page.lesson-style-eduniverse .lesson-topbar{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:none}.lesson-page{background:var(--lp-bg-gradient);color:var(--lp-text);font-family:var(--lp-font-body);min-height:100vh}.lesson-page.teu-puck-lesson-preview .hero,.lesson-page.teu-puck-lesson-preview section{padding-top:var(--lp-block-padding-y)!important;padding-bottom:var(--lp-block-padding-y)!important}.teu-puck-lesson-preview [class*=_PuckHeader-title] h2{font-size:34px!important;line-height:1!important;letter-spacing:-.04em!important}.teu-puck-lesson-preview [class*=_PuckHeader-inner]{min-height:40px!important}.teu-puck-lesson-preview .hero .kicker{font-size:11px!important;letter-spacing:.14em!important}.teu-puck-lesson-preview .hero h1{font-size:25px!important;line-height:.95!important}.lesson-page .topbar{position:sticky;top:0;z-index:50;min-height:56px;background:var(--lp-topbar-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:2px solid var(--lp-accent);display:flex;align-items:center;gap:18px;padding:0 22px}.lesson-page .brand{display:flex;align-items:center;gap:10px;border-right:1px solid rgba(0,102,204,.28);padding-right:18px;height:56px}.lesson-page .brand-bar{width:4px;height:32px;background:var(--lp-accent)}.lesson-page .brand-main{font-family:var(--lp-font-head);font-size:18px;font-weight:700;letter-spacing:.045em}.lesson-page .brand-sub{font-size:8px;text-transform:uppercase;letter-spacing:.16em;color:var(--lp-muted)}.lesson-page .nav{display:flex;gap:8px;flex:1}.lesson-page .nav a{font-size:11px;text-decoration:none;color:var(--lp-muted);text-transform:uppercase;letter-spacing:.08em;padding:6px 8px;border-radius:999px}.lesson-page .nav a:hover{color:var(--lp-heading);background:#0066cc29}.lesson-page .tag{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--lp-accent);font-weight:700}.lesson-page .hero,.lesson-page section{max-width:var(--lp-max-width);margin:0 auto;padding:var(--lp-block-padding-y) var(--lp-block-padding-x)}.lesson-page section.interactive-section{max-width:var(--lp-max-width-wide)!important}.lesson-page .hero{padding-top:78px}.lesson-page .kicker,.lesson-page .section-kicker{font-size:11px;color:var(--lp-kicker-color);text-transform:uppercase;letter-spacing:.18em;font-weight:700;margin-bottom:4px;display:block}.lesson-page h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *),.lesson-page h3:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-family:var(--lp-font-head);color:var(--lp-heading);margin:0 0 14px}.lesson-page h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:76px;line-height:.9;max-width:850px}.lesson-page h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:48px;line-height:1}.lesson-page h3:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:28px}.lesson-page p:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){color:var(--lp-body)}.lesson-page .hero p,.lesson-page .lead{font-size:19px;color:var(--lp-body);max-width:900px;line-height:1.55}.lesson-page.lesson-style-classic h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:28px;line-height:1.25;max-width:none;font-weight:700}.lesson-page.lesson-style-classic h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:22px;line-height:1.3;font-weight:700}.lesson-page.lesson-style-classic h3:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:16px;line-height:1.4;font-weight:600;letter-spacing:-.01em}.lesson-page.lesson-style-classic .hero p,.lesson-page.lesson-style-classic .lead{font-size:15px}.lesson-page.lesson-style-classic p:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:15px}.lesson-page .path{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:24px}.lesson-page .path div{background:var(--lp-card-bg);border:var(--lp-card-border);border-left:var(--lp-card-left);border-radius:var(--lp-radius);box-shadow:var(--lp-shadow);padding:12px;color:var(--lp-body)}.lesson-page .path b{display:block;color:var(--lp-heading);font-family:var(--lp-font-head);font-size:20px}.lesson-page.lesson-style-classic .path{display:flex;flex-wrap:wrap;grid-template-columns:unset;gap:8px;margin-top:20px}.lesson-page.lesson-style-classic .path div{min-height:auto;padding:6px 12px;font-size:13px}.lesson-page.lesson-style-classic .path b{font-size:13px;font-weight:600;display:inline;margin-right:4px}.lesson-page .lesson-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.lesson-page .lesson-flow div{background:var(--lp-card-bg);border:var(--lp-card-border);border-left:var(--lp-card-left);border-radius:var(--lp-radius);box-shadow:var(--lp-shadow);padding:14px;color:var(--lp-body)}.lesson-page .lesson-flow b{display:block;color:var(--lp-heading);font-family:var(--lp-font-head);font-size:22px;margin-bottom:4px}.lesson-page.lesson-style-classic .lesson-flow{display:flex;flex-wrap:wrap;grid-template-columns:unset;gap:8px}.lesson-page.lesson-style-classic .lesson-flow div{min-height:auto;padding:8px 14px;font-size:13px}.lesson-page.lesson-style-classic .lesson-flow b{font-size:13px;font-weight:600;display:inline;margin-right:6px;margin-bottom:0}.lesson-page .section-head{display:grid;grid-template-columns:190px 1fr;gap:26px;margin-bottom:4px}.lesson-page .num{font-family:var(--lp-font-head);font-size:88px;line-height:.8;color:var(--lp-num-color);font-weight:700}.lesson-page.lesson-style-classic .section-head{display:flex;align-items:baseline;gap:14px;padding-top:24px;margin-top:8px;border-top:2px solid var(--lp-border);grid-template-columns:unset}.lesson-page.lesson-style-classic .num{font-size:13px;font-weight:700;line-height:inherit;letter-spacing:.04em;display:inline;width:auto;height:auto}.lesson-page .grid,.lesson-page .content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-page .card,.lesson-page .figure-card{background:var(--lp-card-bg);border:var(--lp-card-border);border-radius:var(--lp-radius);box-shadow:var(--lp-shadow)}.lesson-page .card{padding:20px}.lesson-page .card.accent{border-top:var(--lp-card-accent-top);border-left:var(--lp-card-left)}.lesson-page .card.gold{border-top:var(--lp-card-accent-top);border-left:4px solid var(--lp-accent-warm)}.lesson-page .card.teal{border-top:var(--lp-card-accent-top);border-left:4px solid var(--lp-accent-alt)}.lesson-page .card.red{border-top:var(--lp-card-accent-top);border-left:4px solid var(--lp-accent-danger)}.lesson-page .card.blue{border-top:var(--lp-card-accent-top);border-left:4px solid var(--lp-accent)}.lesson-page.lesson-style-standard .card.accent{border-top:4px solid var(--lp-accent);border-left:var(--lp-card-border)}.lesson-page.lesson-style-standard .card.gold{border-top:4px solid var(--lp-accent-warm);border-left:var(--lp-card-border)}.lesson-page.lesson-style-standard .card.teal{border-top:4px solid var(--lp-accent-alt);border-left:var(--lp-card-border)}.lesson-page.lesson-style-standard .card.red{border-top:4px solid var(--lp-accent-danger);border-left:var(--lp-card-border)}.lesson-page.lesson-style-standard .card.blue{border-top:4px solid var(--lp-accent);border-left:var(--lp-card-border)}.lesson-page .card p,.lesson-page .card li,.lesson-page .card dd{color:var(--lp-body);font-size:15px;line-height:1.55}.lesson-page .card ul,.lesson-page .card ol{padding-left:22px}.lesson-page .card li+li{margin-top:6px}.lesson-page .callout{background:var(--lp-card-bg);border:var(--lp-card-border);border-left:var(--lp-card-left);border-radius:var(--lp-radius);box-shadow:var(--lp-shadow);padding:20px}.lesson-page.lesson-style-classic .callout{background:var(--lp-question-bg);box-shadow:none}.lesson-page .equation{margin-top:16px;padding:12px 14px;border-radius:var(--lp-radius-sm);border-left:4px solid var(--lp-accent);background:var(--lp-equation-bg);color:var(--lp-heading);font-family:var(--lp-font-mono);font-size:20px;letter-spacing:.03em}.lesson-page .figure-card{overflow:hidden}.lesson-page .figure-card img{width:100%;height:100%;min-height:320px;object-fit:cover;display:block}.lesson-page .figure-card.contain img{object-fit:contain;padding:14px;background:var(--lp-plugin-bg)}.lesson-page .figure-caption{padding:12px 14px;border-top:var(--lp-card-border);font-size:13px;color:var(--lp-muted);background:var(--lp-panel-strong)}.lesson-page .interactive-block{background:var(--lp-card-bg);border:var(--lp-card-border);border-radius:var(--lp-radius);overflow:hidden;box-shadow:var(--lp-shadow)}.lesson-page .interactive-head{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:16px 18px;border-bottom:var(--lp-card-border);background:var(--lp-panel-strong)}.lesson-page .interactive-title{font-family:var(--lp-font-head);font-size:28px;color:var(--lp-heading)}.lesson-page.lesson-style-classic .interactive-title{font-size:15px;font-weight:600}.lesson-page .interactive-description{color:var(--lp-muted)}.lesson-page section.interactive-section{width:100%;max-width:var(--lp-max-width-wide)!important}.lesson-page section.interactive-section .interactive-block,.lesson-page section.interactive-section .interactive,.lesson-page section.interactive-section .teu-plugin-preview{width:100%;min-width:0}.lesson-page section.interactive-section iframe,.lesson-page section.interactive-section canvas{width:100%!important;max-width:none!important}.lesson-page section.interactive-section .eu-earth-interactive,.lesson-page section.interactive-section .eu-earth-body,.lesson-page section.interactive-section .eu-earth-layout,.lesson-page section.interactive-section .eu-earth-stage{width:100%;max-width:none}.lesson-page .launch{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 18px;border-radius:var(--lp-radius);border:1px solid var(--lp-launch-border);background:var(--lp-launch-bg);color:var(--lp-launch-color);font-family:var(--lp-font-body);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .14s,color .14s}.lesson-page .launch:hover:not(:disabled){background:var(--lp-accent);border-color:var(--lp-accent);color:#fff}.lesson-page .launch:disabled{opacity:.45;cursor:not-allowed}.lesson-page dl{display:grid;gap:12px}.lesson-page dt{color:var(--lp-heading)}.lesson-page dd{margin:4px 0 0;color:var(--lp-body)}.lesson-page details.card summary{cursor:pointer}.lesson-page details.card summary::marker{color:var(--lp-accent)}.lesson-page blockquote.card{margin-left:0;margin-right:0}.lesson-page blockquote.card footer{color:var(--lp-muted);padding:0;background:transparent;text-align:left}.lesson-page .assessment-options{display:grid;gap:10px;margin:18px 0}.lesson-page .assessment-option{display:flex;align-items:flex-start;gap:12px;width:100%;padding:14px 16px;border:1px solid var(--lp-option-border);border-radius:var(--lp-radius);background:var(--lp-option-bg);color:var(--lp-option-color);cursor:pointer;line-height:1.45;transition:border-color .14s,background .14s,transform .14s}.lesson-page .assessment-option:hover{border-color:var(--lp-accent);background:var(--lp-option-hover-bg);transform:translateY(-1px)}.lesson-page.lesson-style-classic .assessment-option:hover{transform:none}.lesson-page .assessment-option input{-moz-appearance:none;appearance:none;-webkit-appearance:none;flex:0 0 auto;width:20px;height:20px;margin:2px 0 0;border-radius:999px;border:2px solid var(--lp-border);background:transparent;cursor:pointer}.lesson-page .assessment-option input:checked{border-color:var(--lp-accent);background:var(--lp-accent)}.lesson-page .assessment-option span{color:inherit;font-size:16px;font-weight:650}.lesson-page .assessment-option:has(input:checked){border-color:var(--lp-accent);background:color-mix(in srgb,var(--lp-accent) 12%,var(--lp-panel));color:var(--lp-heading)}.lesson-page .question{margin-top:16px;padding:14px 16px;border-radius:var(--lp-radius-sm);border:1px solid var(--lp-question-border);border-left:4px solid var(--lp-accent);background:var(--lp-question-bg);color:var(--lp-heading)}.lesson-page .question p{margin-bottom:0}.lesson-page .question.correct{border-left-color:var(--lp-accent-success);background:color-mix(in srgb,var(--lp-accent-success) 8%,var(--lp-bg))}.lesson-page .question.incorrect{border-left-color:var(--lp-accent-danger);background:color-mix(in srgb,var(--lp-accent-danger) 8%,var(--lp-bg))}.lesson-page .question.correct b{color:var(--lp-accent-success)}.lesson-page .question.incorrect b{color:var(--lp-accent-danger)}.lesson-page .knowledge-check-card{padding:clamp(22px,2.4vw,30px)}.lesson-page .knowledge-check-card>h3,.lesson-page .reflection-card>.reflection-header h3{font-size:clamp(26px,2.2vw,34px);line-height:1.08;margin-bottom:10px;max-width:none}.lesson-page .knowledge-check-question-list{display:grid;gap:16px;margin-top:18px}.lesson-page .knowledge-check-question{padding:16px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:color-mix(in srgb,var(--lp-panel-strong) 68%,var(--lp-bg))}.lesson-page .knowledge-check-question-title{margin:0 0 12px;color:var(--lp-heading);font-family:var(--lp-font-body);font-size:16px;font-weight:750;line-height:1.35;letter-spacing:-.01em}.lesson-page .knowledge-check-question .assessment-options{margin:12px 0 0}.lesson-page .knowledge-check-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px}.lesson-page .knowledge-check-progress,.lesson-page .reflection-count{color:var(--lp-muted);font-size:13px;font-weight:650}.lesson-page .knowledge-check-editor-help{margin:12px 0 16px;padding:10px 12px;border:1px solid var(--lp-question-border);border-radius:var(--lp-radius-sm);background:var(--lp-question-bg);color:var(--lp-muted);font-family:var(--lp-font-mono);font-size:12px;line-height:1.45}.lesson-page .reflection-card{padding:clamp(24px,2.8vw,34px);border-top:var(--lp-card-accent-top);border-left:4px solid var(--lp-accent);overflow:hidden}.lesson-page .reflection-prompt-text{max-width:86ch}.lesson-page .reflection-prompt{margin:0;color:var(--lp-body);font-size:clamp(17px,1.45vw,21px);line-height:1.5}.lesson-page .reflection-guidance{margin:12px 0 0;padding:12px 14px;border:1px solid var(--lp-question-border);border-left:4px solid var(--lp-accent);border-radius:var(--lp-radius-sm);background:var(--lp-question-bg);color:var(--lp-body);font-size:15px;line-height:1.5}.lesson-page .reflection-response-area{display:grid;gap:12px;margin-top:18px}.lesson-page .reflection-textarea{width:100%;min-height:168px;padding:16px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);outline:none;background:color-mix(in srgb,var(--lp-panel-strong) 72%,var(--lp-bg));color:var(--lp-heading);box-shadow:none;font-family:var(--lp-font-body);font-size:16px;line-height:1.55;resize:vertical}.lesson-page .reflection-textarea::placeholder{color:var(--lp-muted);opacity:.9}.lesson-page .reflection-textarea:focus{border-color:var(--lp-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--lp-accent) 18%,transparent)}.lesson-page .reflection-preview-box{min-height:132px;color:var(--lp-muted)}.lesson-page .reflection-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.lesson-page .reflection-submit{width:auto;align-self:flex-start}.lesson-page .ordering-card{padding:clamp(22px,2.4vw,30px)}.lesson-page .ordering-card>h3{font-size:clamp(26px,2.2vw,34px);line-height:1.08;margin-bottom:10px;max-width:none}.lesson-page .ordering-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.lesson-page .ordering-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:color-mix(in srgb,var(--lp-panel-strong) 68%,var(--lp-bg));cursor:grab;transition:border-color .14s,background .14s}.lesson-page .ordering-item:active{cursor:grabbing}.lesson-page .ordering-item:hover{border-color:var(--lp-accent)}.lesson-page .ordering-handle{flex:0 0 auto;color:var(--lp-muted);font-size:18px;line-height:1}.lesson-page .ordering-item-text{flex:1 1 auto;color:var(--lp-heading);font-family:var(--lp-font-body);font-size:16px;font-weight:650;line-height:1.4}.lesson-page .ordering-controls{display:flex;flex:0 0 auto;gap:6px}.lesson-page .ordering-controls button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:var(--lp-panel);color:var(--lp-heading);font-size:14px;line-height:1;cursor:pointer;transition:background .14s,color .14s,border-color .14s}.lesson-page .ordering-controls button:hover:not(:disabled){background:var(--lp-accent);border-color:var(--lp-accent);color:#fff}.lesson-page .ordering-controls button:disabled{opacity:.35;cursor:not-allowed}.lesson-page .ordering-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px}.lesson-page .ordering-result{font-size:13px;font-weight:700;letter-spacing:.02em}.lesson-page .ordering-result.correct{color:var(--lp-accent-success)}.lesson-page .ordering-result.incorrect{color:var(--lp-accent-danger)}.lesson-page .categorisation-card{padding:clamp(22px,2.4vw,30px)}.lesson-page .categorisation-card>h3{font-size:clamp(26px,2.2vw,34px);line-height:1.08;margin-bottom:10px;max-width:none}.lesson-page .categorisation-pool{margin-top:18px;padding:14px 16px;border:1px dashed var(--lp-border);border-radius:var(--lp-radius-sm);background:color-mix(in srgb,var(--lp-panel-strong) 40%,var(--lp-bg))}.lesson-page .categorisation-pool-label{margin-bottom:10px;color:var(--lp-muted);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.lesson-page .categorisation-chip-row{display:flex;flex-wrap:wrap;gap:10px}.lesson-page .categorisation-empty-hint{color:var(--lp-muted);font-size:14px;font-style:italic}.lesson-page .categorisation-chip{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:color-mix(in srgb,var(--lp-panel-strong) 68%,var(--lp-bg));cursor:grab;transition:border-color .14s,background .14s}.lesson-page .categorisation-chip:active{cursor:grabbing}.lesson-page .categorisation-chip:hover{border-color:var(--lp-accent)}.lesson-page .categorisation-chip-text{color:var(--lp-heading);font-family:var(--lp-font-body);font-size:15px;font-weight:650}.lesson-page .categorisation-chip-actions{display:flex;gap:6px}.lesson-page .categorisation-chip-actions button{padding:5px 10px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:var(--lp-panel);color:var(--lp-body);font-family:var(--lp-font-body);font-size:12px;font-weight:650;cursor:pointer;transition:background .14s,color .14s,border-color .14s}.lesson-page .categorisation-chip-actions button:hover{background:var(--lp-accent);border-color:var(--lp-accent);color:#fff}.lesson-page .categorisation-buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:18px}.lesson-page .categorisation-bucket{min-height:96px;padding:14px;border:1px solid var(--lp-border);border-radius:var(--lp-radius-sm);background:color-mix(in srgb,var(--lp-panel-strong) 55%,var(--lp-bg))}.lesson-page .categorisation-bucket-label{margin-bottom:10px;color:var(--lp-heading);font-family:var(--lp-font-body);font-size:14px;font-weight:750}.lesson-page .categorisation-bucket-items{display:grid;gap:8px}.lesson-page .categorisation-chip.in-bucket{justify-content:space-between;cursor:default}.lesson-page .categorisation-chip.in-bucket.correct{border-left:3px solid var(--lp-accent-success)}.lesson-page .categorisation-chip.in-bucket.incorrect{border-left:3px solid var(--lp-accent-danger)}.lesson-page .categorisation-remove{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border:none;border-radius:50%;background:transparent;color:var(--lp-muted);font-size:16px;line-height:1;cursor:pointer}.lesson-page .categorisation-remove:hover{background:var(--lp-question-bg);color:var(--lp-heading)}.lesson-page .fill-blank-card{padding:clamp(22px,2.4vw,30px)}.lesson-page .fill-blank-card>h3{font-size:clamp(26px,2.2vw,34px);line-height:1.08;margin-bottom:10px;max-width:none}.lesson-page .fill-blank-lines{display:grid;gap:14px;margin-top:18px}.lesson-page .fill-blank-line{margin:0;color:var(--lp-body);font-size:clamp(16px,1.3vw,19px);line-height:1.9}.lesson-page .fill-blank-input{display:inline-flex;margin:0 4px;padding:4px 8px;border:none;border-bottom:2px solid var(--lp-accent);border-radius:2px;background:var(--lp-question-bg);color:var(--lp-heading);outline:none;font-family:var(--lp-font-body);font-size:inherit;font-weight:650;text-align:center;transition:border-color .14s,background .14s}.lesson-page .fill-blank-input:focus{background:color-mix(in srgb,var(--lp-accent) 12%,var(--lp-question-bg))}.lesson-page .fill-blank-input.correct{border-bottom-color:var(--lp-accent-success);background:color-mix(in srgb,var(--lp-accent-success) 12%,var(--lp-bg))}.lesson-page .fill-blank-input.incorrect{border-bottom-color:var(--lp-accent-danger);background:color-mix(in srgb,var(--lp-accent-danger) 12%,var(--lp-bg))}.lesson-page.lesson-style-eduniverse .knowledge-check-card,.lesson-page.lesson-style-eduniverse .reflection-card,.lesson-page.lesson-style-eduniverse .ordering-card,.lesson-page.lesson-style-eduniverse .categorisation-card,.lesson-page.lesson-style-eduniverse .fill-blank-card{border-top:1px solid #e5e7eb;background:#fff}.lesson-page.lesson-style-eduniverse .knowledge-check-card{border-left-color:#0d9488}.lesson-page.lesson-style-eduniverse .reflection-card{border-left-color:#1f6feb}.lesson-page.lesson-style-eduniverse .ordering-card{border-left-color:#5fb3ff}.lesson-page.lesson-style-eduniverse .categorisation-card{border-left-color:#0d9488}.lesson-page.lesson-style-eduniverse .fill-blank-card{border-left-color:#ffb000}.lesson-page.lesson-style-eduniverse .knowledge-check-question,.lesson-page.lesson-style-eduniverse .reflection-textarea,.lesson-page.lesson-style-eduniverse .reflection-preview-box,.lesson-page.lesson-style-eduniverse .ordering-item,.lesson-page.lesson-style-eduniverse .categorisation-pool,.lesson-page.lesson-style-eduniverse .categorisation-bucket,.lesson-page.lesson-style-eduniverse .categorisation-chip{background:#f9fafb;border-color:#d1d5db;color:#111827}.lesson-page.lesson-style-eduniverse .fill-blank-input{background:#eff6ff;color:#111827}.lesson-page.lesson-style-eduniverse .reflection-guidance{background:#eff6ff;border-color:#bfdbfe;color:#1f2937}.lesson-page.lesson-style-eduniverse .assessment-option:hover,.lesson-page.lesson-style-eduniverse .assessment-option:has(input:checked){background:#eff6ff}.lesson-page .teu-plugin-host,.lesson-page .eu-plugin-host{position:relative;width:100%;min-width:0;height:100%;overflow:hidden;background:var(--lp-plugin-bg)}.lesson-page .teu-plugin-host section,.lesson-page .eu-plugin-host section{max-width:none!important;margin:0!important;padding:0!important}.lesson-page .teu-plugin-host main,.lesson-page .eu-plugin-host main{min-height:0!important}.lesson-page .teu-plugin-host footer,.lesson-page .eu-plugin-host footer{max-width:none!important;margin:0!important;padding:0!important;text-align:initial!important}.lesson-page .teu-plugin-host .plugin-root,.lesson-page .teu-plugin-host .interactive-root,.lesson-page .teu-plugin-host .eu-plugin-root,.lesson-page .eu-plugin-host .plugin-root,.lesson-page .eu-plugin-host .interactive-root,.lesson-page .eu-plugin-host .eu-plugin-root{width:100%;height:100%}.lesson-page footer{max-width:var(--lp-max-width);margin:0 auto;padding:36px 24px 64px;color:var(--lp-muted);text-align:center;border-top:var(--lp-card-border)}.lesson-page.lesson-style-classic footer{text-align:left;padding:20px 24px;font-size:13px}@media (max-width: 980px){.lesson-page .nav,.lesson-page .tag{display:none}.lesson-page h1:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:54px}.lesson-page .path,.lesson-page .grid,.lesson-page .content-grid,.lesson-page .section-head,.lesson-page .lesson-flow{grid-template-columns:1fr}.lesson-page .num{font-size:60px}.lesson-page .interactive-head{align-items:flex-start;flex-direction:column}.lesson-page .hero,.lesson-page section{padding-left:16px;padding-right:16px}}.lesson-page .plain-list{color:var(--lp-body);font-size:17px;line-height:1.65;margin:0;padding-left:1.35em}.lesson-page .plain-list li+li,.lesson-page p+ul,.lesson-page p+ol,.lesson-page ul+p,.lesson-page ol+p{margin-top:.55em}.lesson-page .table-wrap{width:100%;overflow-x:auto}.lesson-page .data-table{width:100%;border-collapse:collapse;background:var(--lp-card-bg);border:var(--lp-card-border);border-radius:var(--lp-radius);overflow:hidden;color:var(--lp-body)}.lesson-page .data-table caption{caption-side:top;color:var(--lp-heading);font-family:var(--lp-font-head);font-weight:700;text-align:left;padding:0 0 10px}.lesson-page .data-table th,.lesson-page .data-table td{border-bottom:var(--lp-card-border);padding:12px 14px;text-align:left;vertical-align:top}.lesson-page .data-table th{color:var(--lp-heading);background:var(--lp-panel-strong);font-weight:700}.lesson-page .data-table tr:last-child td{border-bottom:0}.lesson-page .split-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:stretch}.lesson-page .split-block>.card,.lesson-page .split-block>.split-text,.lesson-page .split-block>.figure-card{min-width:0}.lesson-page .split-text{background:transparent;color:var(--lp-body)}.lesson-page .split-text h3{margin-top:0}.lesson-page .image-text-block .figure-card{margin:0}@media (max-width: 820px){.lesson-page .split-block{grid-template-columns:1fr}}.lesson-page .hero,.lesson-page section{font-size:var(--lp-block-font-size, inherit)}.lesson-page .hero p,.lesson-page section p,.lesson-page section li,.lesson-page section dd,.lesson-page section td,.lesson-page section th,.lesson-page section .lead,.lesson-page footer{font-size:var(--lp-block-font-size, inherit)}.lesson-page .hero,.lesson-page section{padding-top:var(--lp-block-padding-y, 20px)!important;padding-bottom:var(--lp-block-padding-y, 20px)!important;padding-left:var(--lp-block-padding-x, 24px)!important;padding-right:var(--lp-block-padding-x, 24px)!important}.lesson-page [data-analytics-block-id]+[data-analytics-block-id]{margin-top:var(--lp-block-gap, 0px)}.lesson-page section:not(.interactive-section) h1,.lesson-page section:not(.interactive-section) h2,.lesson-page section:not(.interactive-section) h3,.lesson-page section.interactive-section>.interactive-block>.interactive-head .interactive-title,.lesson-page section.interactive-section>.interactive-head .interactive-title,.lesson-page .hero h1{color:var(--lp-block-title-color, var(--lp-heading))!important}.lesson-page section:not(.interactive-section)[style*=--lp-block-title-font-size] h1,.lesson-page section:not(.interactive-section)[style*=--lp-block-title-font-size] h2,.lesson-page section:not(.interactive-section)[style*=--lp-block-title-font-size] h3,.lesson-page section.interactive-section[style*=--lp-block-title-font-size]>.interactive-block>.interactive-head .interactive-title,.lesson-page section.interactive-section[style*=--lp-block-title-font-size]>.interactive-head .interactive-title,.lesson-page .hero[style*=--lp-block-title-font-size] h1{font-size:var(--lp-block-title-font-size)!important;line-height:1.08!important}.lesson-page section:not(.interactive-section) p,.lesson-page section:not(.interactive-section) li,.lesson-page section:not(.interactive-section) dd,.lesson-page section:not(.interactive-section) figcaption,.lesson-page section:not(.interactive-section) .lead,.lesson-page section:not(.interactive-section) .split-text,.lesson-page section:not(.interactive-section) .figure-caption,.lesson-page section:not(.interactive-section) table,.lesson-page section:not(.interactive-section) td,.lesson-page section:not(.interactive-section) th,.lesson-page section.interactive-section>.interactive-block>.interactive-head .interactive-description,.lesson-page section.interactive-section>.interactive-head .interactive-description,.lesson-page .hero p,.lesson-page .hero .lead{color:var(--lp-block-body-color, var(--lp-body))!important}.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] p,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] li,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] dd,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] figcaption,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] .lead,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] .split-text,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] .figure-caption,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] table,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] td,.lesson-page section:not(.interactive-section)[style*=--lp-block-body-font-size] th,.lesson-page section.interactive-section[style*=--lp-block-body-font-size]>.interactive-block>.interactive-head .interactive-description,.lesson-page section.interactive-section[style*=--lp-block-body-font-size]>.interactive-head .interactive-description,.lesson-page .hero[style*=--lp-block-body-font-size] p,.lesson-page .hero[style*=--lp-block-body-font-size] .lead{font-size:var(--lp-block-body-font-size)!important}.lesson-page{gap:var(--lp-block-gap, 0px)}.lesson-page [data-analytics-block-id]{margin:0}.lesson-page .hero,.lesson-page section{padding-block:var(--lp-block-padding-y, 20px)!important;padding-inline:var(--lp-block-padding-x, 24px)!important}.lesson-page section:not(.interactive-section) h1,.lesson-page section:not(.interactive-section) h2,.lesson-page section:not(.interactive-section) h3,.lesson-page section.interactive-section>.interactive-block>.interactive-head .interactive-title,.lesson-page section.interactive-section>.interactive-head .interactive-title,.lesson-page .hero h1{color:var(--lp-block-title-color, var(--lp-heading))!important;font-size:var(--lp-block-title-font-size, revert-layer)}.lesson-page section:not(.interactive-section) p,.lesson-page section:not(.interactive-section) li,.lesson-page section:not(.interactive-section) dd,.lesson-page section:not(.interactive-section) figcaption,.lesson-page section:not(.interactive-section) .lead,.lesson-page section:not(.interactive-section) .split-text,.lesson-page section:not(.interactive-section) .figure-caption,.lesson-page section:not(.interactive-section) table,.lesson-page section:not(.interactive-section) td,.lesson-page section:not(.interactive-section) th,.lesson-page section.interactive-section>.interactive-block>.interactive-head .interactive-description,.lesson-page section.interactive-section>.interactive-head .interactive-description,.lesson-page .hero p,.lesson-page .hero .lead{color:var(--lp-block-body-color, var(--lp-body))!important;font-size:var(--lp-block-body-font-size, inherit)}.lesson-page .hero,.lesson-page section{margin-top:0!important;margin-bottom:0!important}.lesson-page [data-analytics-block-id]{margin:0!important}.lesson-page [data-analytics-block-id]+[data-analytics-block-id]{margin-top:var(--lp-block-gap, 0px)!important}.lesson-page .teu-plugin-host,.lesson-page .eu-plugin-host{position:relative;width:100%;min-width:0;height:100%;overflow:hidden;background:var(--lp-plugin-bg);color:initial;font-family:initial}.lesson-page .teu-plugin-host *,.lesson-page .teu-plugin-host *:before,.lesson-page .teu-plugin-host *:after,.lesson-page .eu-plugin-host *,.lesson-page .eu-plugin-host *:before,.lesson-page .eu-plugin-host *:after{box-sizing:border-box}.lesson-page .teu-plugin-host :where(section,main,footer,article,aside,nav,header),.lesson-page .eu-plugin-host :where(section,main,footer,article,aside,nav,header){max-width:none!important;margin:0!important}.lesson-page .teu-plugin-host :where(canvas,iframe,svg),.lesson-page .eu-plugin-host :where(canvas,iframe,svg){max-width:none!important}.lesson-page .teu-plugin-host canvas,.lesson-page .eu-plugin-host canvas{display:block;width:100%!important;height:100%!important}.lesson-page .teu-plugin-host .eu-earth-interactive,.lesson-page .eu-plugin-host .eu-earth-interactive{color:var(--eu-text)!important;font-family:var(--eu-font-body)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(h1,h2,h3,h4,h5,h6,p,li,dt,dd,caption,blockquote,label,span,strong,em,small,b,i,button,input,select,textarea,table,thead,tbody,tfoot,tr,th,td,summary,details),.lesson-page .eu-plugin-host .eu-earth-interactive :where(h1,h2,h3,h4,h5,h6,p,li,dt,dd,caption,blockquote,label,span,strong,em,small,b,i,button,input,select,textarea,table,thead,tbody,tfoot,tr,th,td,summary,details){color:inherit!important;font-family:inherit!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(h1,h2,h3,h4,h5,h6,p,li,dt,dd,th,td,label,button,input,select,textarea),.lesson-page .eu-plugin-host .eu-earth-interactive :where(h1,h2,h3,h4,h5,h6,p,li,dt,dd,th,td,label,button,input,select,textarea){font-size:inherit;line-height:inherit}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.title,.panel-title,.section-title,.scenario-title,.card-title,.metric b,.note b,.box b,.card h1,.card h2,.card h3,.card h4,.eu-earth-title,.eu-earth-brand-main,.eu-card h2,.eu-metric b),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.title,.panel-title,.section-title,.scenario-title,.card-title,.metric b,.note b,.box b,.card h1,.card h2,.card h3,.card h4,.eu-earth-title,.eu-earth-brand-main,.eu-card h2,.eu-metric b){color:var(--eu-text)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.sub,.hint,.muted,.scenario-desc,.eu-earth-subtitle,.eu-earth-brand-sub,.eu-note,.eu-card p,.eu-metric span),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.sub,.hint,.muted,.scenario-desc,.eu-earth-subtitle,.eu-earth-brand-sub,.eu-note,.eu-card p,.eu-metric span){color:var(--eu-muted)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.eu-good,.good,.great,.ic-green,.tps-green),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.eu-good,.good,.great,.ic-green,.tps-green){color:var(--eu-good, #22c55e)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.eu-bad,.bad,.tps-red),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.eu-bad,.bad,.tps-red){color:var(--eu-bad, #ef4444)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.eu-warn,.warn,.ok,.tps-yellow),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.eu-warn,.warn,.ok,.tps-yellow){color:var(--eu-warn, #f59e0b)!important}.lesson-page .teu-plugin-host .eu-earth-interactive :where(.tps-blue,.blue),.lesson-page .eu-plugin-host .eu-earth-interactive :where(.tps-blue,.blue){color:var(--eu-accent, #2f9bff)!important}.lesson-page .teu-plugin-host .eu-earth-interactive svg text,.lesson-page .eu-plugin-host .eu-earth-interactive svg text{font-family:inherit}.lesson-page .title-paragraph-block>h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:32px;line-height:1.15;max-width:none}.lesson-page.lesson-style-classic .title-paragraph-block>h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:22px;line-height:1.3}.lesson-page.lesson-style-fun .title-paragraph-block>h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:32px;line-height:1.15}.lesson-page.lesson-style-eduniverse .title-paragraph-block>h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:28px;line-height:1.18}.lesson-page .title-paragraph-block[style*=--lp-block-title-font-size]>h2:not(.teu-plugin-host *):not(.eu-plugin-host *):not(.eu-earth-interactive *){font-size:var(--lp-block-title-font-size)!important;line-height:1.08!important}input.teu-field-number-input::-webkit-outer-spin-button,input.teu-field-number-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input.teu-field-number-input{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}html,body,#root{width:100%;min-width:0;min-height:100%;margin:0}html{background:transparent}body{background:transparent;overflow-x:hidden}body:has(.platform-topbar){padding-top:58px}body:not(:has(.platform-topbar)){padding-top:0}#root{width:100%;min-height:100%;isolation:isolate}.lesson-page{width:100%;min-height:100vh}.viewer-page-theme{width:100%;min-height:100vh;background:var(--viewer-bg, #070b13);color:var(--viewer-body, #e5edf8)}
