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var(--color-rule);border-radius:var(--radius-control);background-color:var(--color-surface);min-height:44px;color:var(--color-ink-950);justify-content:center;align-items:center;gap:.375rem;padding-inline:.875rem;font-size:.875rem;font-weight:600;display:inline-flex}.practice-picker__chevron{transition:transform .15s var(--ease-standard);transform:rotate(90deg)}.practice-picker__trigger[aria-expanded=true] .practice-picker__chevron{transform:rotate(-90deg)}.practice-picker__menu{z-index:50;border:1px solid var(--color-rule);border-radius:var(--radius-card);background-color:var(--color-surface);width:min(20rem,100vw - 1.5rem);max-height:min(70svh,24rem);box-shadow:var(--shadow-segment);position:absolute;top:calc(100% + .5rem);right:0;overflow-y:auto}.practice-picker__label{color:var(--color-ink-500);letter-spacing:.14em;padding:.75rem .75rem .25rem;font-size:.6875rem;font-weight:600}.practice-picker__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.25rem;padding:.5rem;display:grid}.practice-picker__link{min-height:44px;color:var(--color-ink-700);text-align:center;transition:background-color .15s var(--ease-standard),color .15s var(--ease-standard);border-radius:8px;justify-content:center;align-items:center;padding:.5rem .375rem;font-size:.875rem;font-weight:500;display:flex}@media (hover:hover){.practice-picker__link:hover{background-color:var(--color-surface-muted);color:var(--color-ink-950)}}.practice-picker__link--current{background-color:var(--color-accent-700);color:var(--color-on-accent)}@media (hover:none){.segment{min-height:44px}}.row-button{border-radius:var(--radius-control);min-height:36px;transition:background-color .15s var(--ease-standard);align-items:baseline;gap:.375rem;padding:.25rem .375rem;display:inline-flex}@media (hover:none){.row-button{min-height:44px}}.row{transition:background-color .15s 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) var(--tw-slashed-zero, ) var(--tw-numeric-figure, ) var(--tw-numeric-spacing, ) var(--tw-numeric-fraction, )}.tabular-nums{--tw-numeric-spacing:tabular-nums}.underline{text-decoration-line:underline}.opacity-25{opacity:.25}.opacity-50{opacity:.5}.opacity-80{opacity:.8}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a),0 1px 2px -1px var(--tw-shadow-color,#0000001a)}.shadow,.shadow-segment{box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-segment{--tw-shadow:0 1px 2px var(--tw-shadow-color,#1d252029),0 0 0 .5px var(--tw-shadow-color,#1d25200f)}.ring,.ring-1{--tw-ring-shadow:var(--tw-ring-inset, ) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring-rule{--tw-ring-color:var(--color-rule)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.invert{--tw-invert:invert(100%)}.filter,.invert{filter:var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, )}.filter\!{filter:var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, )!important}.backdrop-blur-xl{--tw-backdrop-blur:blur(var(--blur-xl))}.backdrop-blur-xl,.backdrop-saturate-150{-webkit-backdrop-filter:var(--tw-backdrop-blur, ) var(--tw-backdrop-brightness, ) var(--tw-backdrop-contrast, ) var(--tw-backdrop-grayscale, ) var(--tw-backdrop-hue-rotate, ) var(--tw-backdrop-invert, ) var(--tw-backdrop-opacity, ) var(--tw-backdrop-saturate, ) var(--tw-backdrop-sepia, );backdrop-filter:var(--tw-backdrop-blur, ) var(--tw-backdrop-brightness, ) var(--tw-backdrop-contrast, ) var(--tw-backdrop-grayscale, ) var(--tw-backdrop-hue-rotate, ) var(--tw-backdrop-invert, ) var(--tw-backdrop-opacity, ) var(--tw-backdrop-saturate, ) var(--tw-backdrop-sepia, )}.backdrop-saturate-150{--tw-backdrop-saturate:saturate(150%)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur, ) var(--tw-backdrop-brightness, ) var(--tw-backdrop-contrast, ) var(--tw-backdrop-grayscale, ) var(--tw-backdrop-hue-rotate, ) var(--tw-backdrop-invert, ) var(--tw-backdrop-opacity, ) var(--tw-backdrop-saturate, ) var(--tw-backdrop-sepia, );backdrop-filter:var(--tw-backdrop-blur, ) var(--tw-backdrop-brightness, ) var(--tw-backdrop-contrast, ) var(--tw-backdrop-grayscale, ) var(--tw-backdrop-hue-rotate, ) var(--tw-backdrop-invert, ) var(--tw-backdrop-opacity, ) var(--tw-backdrop-saturate, ) var(--tw-backdrop-sepia, )}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-\[filter\]{transition-property:filter;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-transform{transition-property:transform,translate,scale,rotate;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.duration-150{--tw-duration:.15s;transition-duration:.15s}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.outline-none{--tw-outline-style:none;outline-style:none}.marker\:text-ink-500 ::marker{color:var(--color-ink-500)}.marker\:text-ink-500::marker{color:var(--color-ink-500)}.marker\:text-ink-500 ::-webkit-details-marker,.marker\:text-ink-500::-webkit-details-marker{color:var(--color-ink-500)}.empty\:hidden:empty{display:none}@media (hover:hover){.hover\:border-accent-600:hover{border-color:var(--color-accent-600)}.hover\:bg-accent-600:hover{background-color:var(--color-accent-600)}.hover\:bg-surface:hover{background-color:var(--color-surface)}.hover\:bg-surface-muted:hover{background-color:var(--color-surface-muted)}.hover\:text-accent-700:hover{color:var(--color-accent-700)}.hover\:text-ink-950:hover{color:var(--color-ink-950)}.hover\:underline:hover{text-decoration-line:underline}.hover\:brightness-110:hover{--tw-brightness:brightness(110%);filter:var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, )}}.focus\:border-accent-600:focus{border-color:var(--color-accent-600)}.active\:scale-95:active{--tw-scale-x:95%;--tw-scale-y:95%;--tw-scale-z:95%;scale:var(--tw-scale-x) var(--tw-scale-y)}.active\:scale-\[0\.99\]:active{scale:.99}.disabled\:text-ink-300:disabled{color:var(--color-ink-300)}@supports not ((-webkit-backdrop-filter:blur(0)) or (backdrop-filter:blur(0))){.supports-\[not\(backdrop-filter\:blur\(0\)\)\]\:bg-canvas{background-color:var(--color-canvas)}}@media not all and (min-width:40rem){.max-sm\:hidden{display:none}}@media (min-width:40rem){.sm\:mt-4{margin-top:calc(var(--spacing) * 4)}.sm\:ml-1{margin-left:var(--spacing)}.sm\:ml-9{margin-left:calc(var(--spacing) * 9)}.sm\:block{display:block}.sm\:flex{display:flex}.sm\:hidden{display:none}.sm\:size-64{width:calc(var(--spacing) * 64);height:calc(var(--spacing) * 64)}.sm\:w-16{width:calc(var(--spacing) * 16)}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:flex-wrap{flex-wrap:wrap}.sm\:gap-2{gap:calc(var(--spacing) * 2)}:where(.sm\:space-y-6>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 6) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 6) * calc(1 - var(--tw-space-y-reverse)))}.sm\:px-4{padding-inline:calc(var(--spacing) * 4)}.sm\:px-6{padding-inline:calc(var(--spacing) * 6)}.sm\:py-5{padding-block:calc(var(--spacing) * 5)}.sm\:py-6{padding-block:calc(var(--spacing) * 6)}.sm\:py-8{padding-block:calc(var(--spacing) * 8)}.sm\:py-10{padding-block:calc(var(--spacing) * 10)}.sm\:py-12{padding-block:calc(var(--spacing) * 12)}.sm\:py-24{padding-block:calc(var(--spacing) * 24)}.sm\:pb-\[max\(2\.5rem\,env\(safe-area-inset-bottom\)\)\]{padding-bottom:max(2.5rem,env(safe-area-inset-bottom))}.sm\:text-title{font-size:var(--text-title);line-height:var(--tw-leading,var(--text-title--line-height));letter-spacing:var(--tw-tracking,var(--text-title--letter-spacing));font-weight:var(--tw-font-weight,var(--text-title--font-weight))}}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}.lesson{min-width:0;max-width:var(--container-measure);line-height:var(--leading-body);overflow-wrap:anywhere}.lesson h2{margin-top:3.25rem;padding-top:1.25rem;border-top:1px solid var(--color-rule);font-family:var(--font-display);font-size:1.3125rem;font-weight:600;line-height:1.4;letter-spacing:-.012em;text-wrap:balance}.lesson h3{margin-top:2.25rem;font-size:1rem;font-weight:600;line-height:1.5}.lesson h2,.lesson h3{scroll-margin-top:calc(var(--nav-h) + 1.5rem)}.lesson>h2:first-child{margin-top:0;padding-top:0;border-top:0}.lesson blockquote,.lesson ol,.lesson p,.lesson table,.lesson ul{margin-top:1rem}.lesson p{text-wrap:pretty}.lesson ol,.lesson ul{padding-left:1.25rem}.lesson ul{list-style:disc}.lesson ol{list-style:decimal}.lesson li+li{margin-top:.5rem}.lesson li::marker{color:var(--color-ink-500)}.lesson strong{font-weight:600;color:var(--color-ink-950)}.lesson a{color:var(--color-accent-700);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em;transition:text-decoration-thickness .15s var(--ease-standard)}.lesson a:hover{text-decoration-thickness:2px}.lesson figure{margin-top:1.5rem}.lesson img{display:block;max-width:100%;height:auto;border-radius:var(--radius-card)}.lesson figcaption{margin-top:.5rem;font-size:.8125rem;line-height:1.5;color:var(--color-ink-500)}.lesson code{font-family:var(--font-mono);font-size:.9em;background-color:var(--color-surface-muted);padding:.1em .35em;border-radius:.375rem}.lesson blockquote{border-left:2px solid var(--color-accent-700);background-color:var(--color-surface);padding:.875rem 1rem;border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--color-ink-700)}.lesson blockquote>:first-child{margin-top:0}.lesson table{display:block;width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;border-collapse:collapse;font-size:.875rem;line-height:1.55;overflow-wrap:normal;-webkit-overflow-scrolling:touch}.lesson td,.lesson th{border:1px solid var(--color-rule);padding:.5rem .75rem;text-align:left;vertical-align:top}.lesson th{background-color:var(--color-surface-muted);font-weight:600;color:var(--color-ink-950)}