@import"https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&display=swap";/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer theme{:root,:host{--font-sans:"EB Garamond", Georgia, serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-xs:2px;--radius-sm:4px;--radius-md:8px;--radius-xl:16px;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-surface-page:#0b0d12;--color-surface-sunken:#0e1119;--color-surface-base:#12151d;--color-surface-elevated:#1a1e2a;--color-surface-highest:#22273a;--color-surface-overlay:#0b0d12cc;--color-text-primary:#ccd6e8;--color-text-secondary:#a3b3c7;--color-text-muted:#7e90a6;--color-text-disabled:#6b7d94;--color-text-on-fill:#0b0d12;--color-text-accent:#e0b15e;--color-gold-ember:#e0b15e;--color-gold-bright:#f0c878;--color-gold-deep:#a67c3a;--color-gold-antique:#c9a96e;--color-border-separator:#262b3a;--color-border-structural:#3d4459;--color-border-interactive:#6b7688;--color-border-interactive-hover:#8494a8;--color-border-focus:#f0c878;--color-border-ornament:#c9a96e;--color-state-success:#5cc26e;--color-state-selection:#e0b15e1f}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}html{overflow-x:clip}body{background-color:var(--color-surface-page);min-width:320px;color:var(--color-text-primary);letter-spacing:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:EB Garamond,Georgia,serif;font-size:16px;font-weight:400;line-height:1.6}@media(min-width:1180px){body{font-size:17px}}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);letter-spacing:0;text-wrap:balance;font-family:EB Garamond,Georgia,serif}p{overflow-wrap:break-word}button,a,input,select,textarea,summary,[role=button]{font-family:inherit}button:focus,a:focus,input:focus,select:focus,textarea:focus,summary:focus,[role=button]:focus,[tabindex]:not([tabindex="-1"]):focus{outline:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[role=button]:focus-visible,[tabindex]:not([tabindex="-1"]):focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}::selection{background:var(--color-state-selection);color:var(--color-text-primary)}}@layer components{.skip-link{left:var(--page-gutter);z-index:80;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border-radius:var(--radius-sm);background:var(--color-gold-ember);width:1px;height:1px;color:var(--color-text-on-fill);padding:0;font-size:15px;font-weight:600;text-decoration:none;position:absolute;top:12px;overflow:hidden}.skip-link:focus,.skip-link:focus-visible{clip:auto;clip-path:none;white-space:normal;outline:2px solid var(--color-border-focus);outline-offset:2px;width:auto;height:auto;padding:12px 20px;overflow:visible}.page-shell{isolation:isolate;min-height:100dvh;color:var(--color-text-primary);background-color:var(--color-surface-page);background-image:linear-gradient(var(--color-surface-overlay),#0b0d12eb),radial-gradient(ellipse at 50% -8%,#c9a96e14,transparent 46%),url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");flex-direction:column;display:flex;position:relative}@supports (color:color-mix(in lab,red,red)){.page-shell{background-image:linear-gradient(var(--color-surface-overlay),color-mix(in srgb,var(--color-surface-page) 92%,transparent)),radial-gradient(ellipse at 50% -8%,color-mix(in srgb,var(--color-gold-antique) 8%,transparent),transparent 46%),url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E")}}.page-shell{background-attachment:scroll}.shell-inner{z-index:1;width:min(100%,1440px);padding:20px max(var(--page-gutter),env(safe-area-inset-left)) max(32px,env(safe-area-inset-bottom)) max(var(--page-gutter),env(safe-area-inset-right));gap:var(--section-gap);flex-direction:column;flex:1;margin-inline:auto;display:flex;position:relative}.site-header{border-bottom:1px solid var(--color-border-separator);flex-direction:column;align-items:flex-start;padding-bottom:16px;display:flex}.brand-lockup{align-items:flex-start;min-width:0;display:flex}.brand-copy{min-width:0}.brand-kicker{color:var(--color-text-accent);margin:0;font-size:15px;font-weight:600;line-height:1.35}.type-h1{margin:2px 0 0;font-size:27px;font-weight:700;line-height:1.2}.header-lede{max-width:46ch;color:var(--color-text-secondary);margin:8px 0 0;font-size:15px;line-height:1.45;display:none}.course-layout{flex:1;grid-template-columns:minmax(0,1fr);align-items:start;gap:20px;display:grid}.course-nav{flex-direction:column;gap:12px;min-width:0;display:flex}.course-nav>nav{flex-direction:column;flex:1;gap:12px;min-width:0;min-height:0;display:flex}.course-main{min-width:0}.navigator-bar{border:1px solid var(--color-border-ornament);border-radius:var(--radius-md);background:var(--color-surface-elevated);flex-direction:column;gap:12px;padding:16px;display:flex}.navigator-meta{flex-direction:column;gap:8px;min-width:0;display:flex}.navigator-kicker{color:var(--color-text-muted);margin:0;font-size:15px;font-weight:500;line-height:1.4}.navigator-title{overflow-wrap:break-word;margin:0;font-size:18px;font-weight:600;line-height:1.35}.progress-block{flex-direction:column;gap:8px;display:flex}.progress-copy{font-variant-numeric:lining-nums tabular-nums;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:15px;font-weight:500;line-height:1.4;display:flex}.progress-copy strong{color:var(--color-text-primary);font-weight:600}.progress-copy span{color:var(--color-text-muted)}.progress-track{border-radius:var(--radius-xs);background:var(--color-surface-highest);border:1px solid var(--color-border-structural);height:8px;position:relative;overflow:hidden}.progress-fill{background:var(--color-gold-ember);height:100%;display:block}.chapter-panel{flex-direction:column;gap:8px;min-height:0;display:flex}.chapter-panel[hidden]{display:none}.chapter-scroll{overscroll-behavior:contain;flex-direction:column;gap:8px;max-height:min(50vh,24rem);margin:0;padding:8px;list-style:none;display:flex;overflow:hidden auto}.chapter-scroll>li{min-width:0}.chapter-heading{color:var(--color-text-secondary);margin:0;font-size:15px;font-weight:600;line-height:1.35}.chapter-button{text-align:left;width:100%;min-height:44px;color:var(--color-text-primary);background:var(--color-surface-base);border:1px solid var(--color-border-separator);border-radius:var(--radius-md);cursor:pointer;align-items:flex-start;gap:12px;padding:12px;display:flex}.chapter-button+.chapter-button,.chapter-scroll>.chapter-button{margin:0}.chapter-button:hover{border-color:var(--color-border-interactive-hover);background:var(--color-surface-elevated)}.chapter-button.is-current{background:#2a2a2e}@supports (color:color-mix(in lab,red,red)){.chapter-button.is-current{background:color-mix(in srgb,var(--color-gold-ember) 8%,var(--color-surface-elevated))}}.chapter-button.is-current{border-color:var(--color-gold-ember);box-shadow:inset 3px 0 0 var(--color-gold-ember)}.chapter-button.is-locked{cursor:not-allowed;background:var(--color-surface-sunken);color:var(--color-text-secondary)}.chapter-button.is-locked:hover{border-color:var(--color-border-separator);background:var(--color-surface-sunken)}.chapter-index{border-radius:var(--radius-xs);border:1px solid var(--color-border-structural);background:var(--color-surface-sunken);font-variant-numeric:lining-nums tabular-nums;justify-content:center;align-items:center;width:28px;min-width:28px;height:28px;margin-top:2px;font-size:15px;font-weight:600;display:inline-flex}.chapter-button.is-current .chapter-index{border-color:var(--color-gold-ember);color:var(--color-text-on-fill);background:var(--color-gold-ember)}.chapter-button.is-complete .chapter-index{border-color:var(--color-state-success);color:var(--color-state-success)}.chapter-copy{flex:1;min-width:0}.chapter-title{overflow-wrap:break-word;margin:0;font-size:16px;font-weight:600;line-height:1.35}.chapter-status{color:var(--color-text-muted);align-items:flex-start;gap:6px;margin:4px 0 0;font-size:15px;font-weight:500;line-height:1.4;display:flex}.chapter-button.is-complete .chapter-status{color:var(--color-state-success)}.chapter-button.is-current .chapter-status{color:var(--color-text-accent)}.chapter-icon{color:var(--color-text-muted);flex-shrink:0;margin-top:4px}.chapter-button.is-complete .chapter-icon{color:var(--color-state-success)}.chapter-button.is-current .chapter-icon{color:var(--color-gold-ember)}.surface-card{border:1px solid var(--color-border-separator);border-radius:var(--radius-md);background:var(--color-surface-elevated);padding:20px}.desktop-progress{border-top-color:var(--color-gold-antique);flex-direction:column;gap:12px;display:flex}.lesson-overview{border-color:#726a61}@supports (color:color-mix(in lab,red,red)){.lesson-overview{border-color:color-mix(in srgb,var(--color-border-ornament) 38%,var(--color-border-structural))}}.lesson-overview{background:linear-gradient(180deg,var(--color-surface-elevated) 0%,var(--color-surface-base) 100%)}.section-card{border-color:#675d4f;position:relative}@supports (color:color-mix(in lab,red,red)){.section-card{border-color:color-mix(in srgb,var(--color-border-ornament) 40%,var(--color-border-separator))}}.section-card{background:linear-gradient(180deg,#2a2b30 0%,var(--color-surface-elevated) 22%)}@supports (color:color-mix(in lab,red,red)){.section-card{background:linear-gradient(180deg,color-mix(in srgb,var(--color-gold-antique) 9%,var(--color-surface-elevated)) 0%,var(--color-surface-elevated) 22%)}}.section-card{box-shadow:inset 0 1px #c9a96e6b,0 8px 22px #0b0d128c}@supports (color:color-mix(in lab,red,red)){.section-card{box-shadow:inset 0 1px color-mix(in srgb,var(--color-gold-antique) 42%,transparent),0 8px 22px color-mix(in srgb,var(--color-surface-page) 55%,transparent)}}.section-card:before{content:"";pointer-events:none;background:linear-gradient(90deg,transparent 0%,var(--color-gold-antique) 50%,transparent 100%);height:2px;position:absolute;top:0;left:16px;right:16px}.section-card .card-heading{align-items:flex-start;gap:8px;min-width:0;display:flex}.section-card .card-heading svg{color:var(--color-gold-ember);flex-shrink:0;margin-top:2px}.lesson-actions{flex-wrap:wrap;gap:8px;margin:16px 0 20px;display:flex}.video-frame{aspect-ratio:16/9;border-radius:var(--radius-xl);border:1px solid var(--color-border-ornament);background:var(--color-surface-sunken);width:100%;position:relative;overflow:hidden}.video-frame iframe,.video-placeholder{border:0;width:100%;height:100%;position:absolute;top:0;right:0;bottom:0;left:0}.video-placeholder{text-align:center;background:var(--color-surface-sunken);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.lesson-stack{flex-direction:column;gap:20px;min-width:0;display:flex}.lesson-meta{color:var(--color-text-muted);flex-wrap:wrap;gap:8px 16px;font-size:15px;font-weight:500;line-height:1.45;display:flex}.lesson-meta span{align-items:center;gap:8px;display:inline-flex}.lesson-actions-note{flex-basis:100%;margin:0}.lesson-title{overflow-wrap:break-word;margin:0 0 12px;font-size:23px;font-weight:700;line-height:1.25}.lesson-body{max-width:68ch;color:var(--color-text-primary);margin:0;font-size:18px;line-height:1.65}.lesson-extras{grid-template-columns:minmax(0,1fr);align-items:start;gap:20px;display:grid}.tip-list{flex-direction:column;gap:12px;margin:16px 0 0;padding:0;list-style:none;display:flex}.tip-item{border:1px solid #746753;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:16px;display:grid}@supports (color:color-mix(in lab,red,red)){.tip-item{border:1px solid color-mix(in srgb,var(--color-gold-antique) 48%,var(--color-border-separator))}}.tip-item{border-radius:var(--radius-md);background:linear-gradient(90deg,#c9a96e1c 0%,transparent 36%),var(--color-surface-base)}@supports (color:color-mix(in lab,red,red)){.tip-item{background:linear-gradient(90deg,color-mix(in srgb,var(--color-gold-antique) 11%,transparent) 0%,transparent 36%),var(--color-surface-base)}}.tip-item{box-shadow:inset 3px 0 #c9a96e6b}@supports (color:color-mix(in lab,red,red)){.tip-item{box-shadow:inset 3px 0 color-mix(in srgb,var(--color-gold-antique) 42%,transparent)}}.tip-index{border-radius:var(--radius-xs);border:1px solid #8a7c65;justify-content:center;align-items:center;width:28px;min-width:28px;height:28px;margin-top:1px;display:inline-flex}@supports (color:color-mix(in lab,red,red)){.tip-index{border:1px solid color-mix(in srgb,var(--color-gold-antique) 55%,var(--color-border-structural))}}.tip-index{background:#2b2723}@supports (color:color-mix(in lab,red,red)){.tip-index{background:color-mix(in srgb,var(--color-gold-ember) 14%,var(--color-surface-sunken))}}.tip-index{color:var(--color-gold-ember);font-variant-numeric:lining-nums tabular-nums;font-size:14px;font-weight:600}.tip-title{color:#d7dfed;margin:0 0 6px}@supports (color:color-mix(in lab,red,red)){.tip-title{color:color-mix(in srgb,var(--color-text-primary) 78%,white)}}.tip-title{overflow-wrap:break-word;font-size:17px;font-weight:600;line-height:1.35}.tip-copy{color:var(--color-text-secondary);margin:0;font-size:16px;line-height:1.6}.worksheet-file{border:1px solid #786a54;align-items:flex-start;gap:12px;margin:16px 0;padding:16px;display:flex}@supports (color:color-mix(in lab,red,red)){.worksheet-file{border:1px solid color-mix(in srgb,var(--color-gold-antique) 50%,var(--color-border-separator))}}.worksheet-file{border-radius:var(--radius-md);background:linear-gradient(180deg,#212123,var(--color-surface-base))}@supports (color:color-mix(in lab,red,red)){.worksheet-file{background:linear-gradient(180deg,color-mix(in srgb,var(--color-gold-antique) 8%,var(--color-surface-base)),var(--color-surface-base))}}.worksheet-file{box-shadow:inset 0 1px #c9a96e33}@supports (color:color-mix(in lab,red,red)){.worksheet-file{box-shadow:inset 0 1px color-mix(in srgb,var(--color-gold-antique) 20%,transparent)}}.worksheet-file>svg{color:var(--color-gold-ember);flex-shrink:0}.worksheet-name{overflow-wrap:anywhere;margin:0;font-size:16px;font-weight:600;line-height:1.35}.worksheet-meta{color:var(--color-text-muted);font-variant-numeric:lining-nums tabular-nums;margin:4px 0 0;font-size:14px}.worksheet-copy{color:var(--color-text-secondary);margin:0 0 16px;font-size:16px;line-height:1.6}.card-heading{margin:0 0 4px;font-size:19px;font-weight:600;line-height:1.3}.card-kicker{color:var(--color-text-muted);margin:0 0 12px;font-size:15px;font-weight:500}.locked-panel{flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;min-height:280px;display:flex}.site-footer{border-top:1px solid var(--color-border-separator);color:var(--color-text-muted);flex-wrap:wrap;justify-content:space-between;gap:12px 24px;padding-top:16px;font-size:15px;line-height:1.45;display:flex}.footer-links{flex-wrap:wrap;gap:8px 16px;display:flex}.footer-links a{color:var(--color-text-secondary);text-underline-offset:3px;justify-content:center;align-items:center;min-width:44px;min-height:44px;padding-inline:8px;text-decoration-thickness:1px;display:inline-flex}.footer-links a:hover{color:var(--color-gold-bright)}.btn{border-radius:var(--radius-sm);text-align:center;white-space:normal;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-width:44px;min-height:44px;padding:12px 20px;font-size:15px;font-weight:600;line-height:1.35;text-decoration:none;display:inline-flex}.btn svg{flex-shrink:0}.btn-primary{background:var(--color-gold-ember);border-color:var(--color-gold-ember);color:var(--color-text-on-fill)}.btn-primary:hover{background:var(--color-gold-bright);border-color:var(--color-gold-bright)}.btn-primary:active{background:var(--color-gold-deep);border-color:var(--color-gold-deep);color:var(--color-text-on-fill)}.btn-secondary{background:var(--color-surface-highest);border-color:var(--color-border-interactive);color:var(--color-text-primary)}.btn-secondary:hover{border-color:var(--color-border-interactive-hover);color:var(--color-text-primary)}.btn-download{background:var(--color-surface-highest);border-color:var(--color-gold-antique);color:var(--color-gold-ember);transition:background-color .16s,border-color .16s,color .16s,transform .16s}.btn-download:active{background:var(--color-gold-deep);border-color:var(--color-gold-deep);color:var(--color-text-on-fill);transform:none}.btn-ghost{border-color:var(--color-border-interactive);color:var(--color-text-primary);background:0 0}.btn-full{width:100%}.btn:disabled,.btn[aria-disabled=true]{background:var(--color-surface-sunken);border-color:var(--color-border-separator);color:var(--color-text-disabled);cursor:not-allowed}.disclosure-chevron{margin-left:auto}.disclosure-chevron.is-open{transform:rotate(180deg)}}@layer utilities{.block{display:block}.contents{display:contents}.hidden{display:none}}:root{color-scheme:dark;--page-gutter:16px;--section-gap:24px}@media(min-width:768px){:root{--page-gutter:24px}.header-lede{display:block}.surface-card{padding:24px}}@media(min-width:1180px){:root{--page-gutter:32px;--section-gap:32px}.type-h1{font-size:32px}.course-layout{grid-template-columns:312px minmax(0,1fr);gap:32px}.course-nav{flex-direction:column;min-height:0;max-height:calc(100dvh - 12rem);display:flex;position:sticky;top:24px;overflow:hidden}.course-nav>nav{flex-direction:column;flex:1;min-height:0;max-height:100%;display:flex;overflow:hidden}.chapter-panel,.chapter-panel.is-open{flex:1;min-height:0;display:flex;overflow:hidden}.chapter-scroll{flex:1;min-height:0;max-height:none}.lesson-title{font-size:26px}.lesson-body{font-size:19px}}@media(min-width:1360px){.lesson-extras{grid-template-columns:minmax(0,1.35fr) minmax(17rem,.75fr)}}@media(min-width:1180px){.lesson-actions,.lesson-actions .btn{width:auto}}@media(max-width:599.98px){.lesson-actions{flex-direction:column}.lesson-actions .btn{width:100%}}@media(hover:hover)and (pointer:fine){.btn-download:hover{background:var(--color-gold-ember);border-color:var(--color-gold-ember);color:var(--color-text-on-fill);transform:translateY(-1px)}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.btn-download:hover,.btn-download:active{transform:none}}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.numeric{font-variant-numeric:lining-nums tabular-nums}#main-content:focus,#lesson-content:focus{outline:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[role=button]:focus-visible,[tabindex]:not([tabindex="-1"]):focus-visible{box-shadow:0 0 0 2px var(--color-surface-page);outline:2px solid var(--color-border-focus)!important;outline-offset:2px!important}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-surface-page)}::-webkit-scrollbar-thumb{background:var(--color-surface-highest);border:1px solid var(--color-border-structural);border-radius:var(--radius-sm)}
