:where(:root){--vk-chart-1:#0072b2;--vk-chart-2:#d55e00;--vk-chart-3:#009e73;--vk-chart-4:#cc79a7;--vk-chart-5:#c68800;--vk-chart-6:#159cde;--vk-chart-grid:color-mix(in oklab, var(--vk-color-fg) 12%, transparent);--vk-chart-axis:color-mix(in oklab, var(--vk-color-fg) 32%, transparent);--vk-chart-label:var(--vk-color-muted);--vk-chart-surface:var(--vk-color-surface);--vk-chart-area-opacity:.18;--vk-chart-tooltip-bg:var(--vk-color-fg);--vk-chart-tooltip-fg:var(--vk-color-bg)}:where([data-theme=dark]){--vk-chart-1:#4ea3ff;--vk-chart-2:#f0b552;--vk-chart-3:#34d399;--vk-chart-4:#e9aad3;--vk-chart-5:#ff8f52;--vk-chart-6:#8ed4f5;--vk-chart-area-opacity:.24}:where(.vk-chart){font-family:var(--vk-font-sans);color:var(--vk-color-fg);position:relative}:where(.vk-chart__svg){block-size:auto;inline-size:100%;overflow:visible}:where(.vk-chart__grid-line){stroke:var(--vk-chart-grid);stroke-width:1px}:where(.vk-chart__axis){stroke:var(--vk-chart-axis);stroke-width:1px}:where(.vk-chart__zero){stroke:var(--vk-chart-axis);stroke-width:1px;stroke-dasharray:4 3}:where(.vk-chart__tick),:where(.vk-chart__empty){fill:var(--vk-chart-label)}:where(.vk-chart__value){fill:var(--vk-color-fg);font-weight:600}:where(.vk-chart__line){fill:none;stroke-linecap:round;stroke-linejoin:round}:where(.vk-chart__area){stroke:none;opacity:var(--vk-chart-area-opacity)}:where(.vk-chart__marker){stroke:var(--vk-chart-surface);stroke-width:1px}:where(.vk-chart__legend){gap:var(--vk-space-1) var(--vk-space-4);margin:var(--vk-space-2) 0 0;font-size:var(--vk-text-sm);color:var(--vk-color-muted);flex-wrap:wrap;padding:0;list-style:none;display:flex}:where(.vk-chart__legend-item){align-items:center;gap:var(--vk-space-2);display:inline-flex}:where(.vk-chart__swatch){flex:none}:where(.vk-chart__table){clip-path:inset(50%);white-space:nowrap;border:0;block-size:1px;inline-size:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:where(.vk-chart__hit){cursor:crosshair;fill:#0000;pointer-events:all}:where(.vk-chart__tooltip){pointer-events:none}:where(.vk-chart__crosshair){stroke:var(--vk-chart-axis);stroke-width:1px;stroke-dasharray:3 3}:where(.vk-chart__tooltip-box){fill:var(--vk-chart-tooltip-bg);stroke:none}:where(.vk-chart__tooltip-title){fill:var(--vk-chart-tooltip-fg);opacity:.85;font-weight:600}:where(.vk-chart__tooltip-row){fill:var(--vk-chart-tooltip-fg)}:where(.vk-chart__series){animation:vk-chart-fade var(--vk-duration) var(--vk-ease) both}@keyframes vk-chart-fade{0%{opacity:0}}@media (prefers-reduced-motion:reduce){:where(.vk-chart__series){animation:none}}@media (hover:hover){:where(.vk-chart__series:hover)>:where(g){opacity:.4;transition:opacity var(--vk-duration-fast) var(--vk-ease)}:where(.vk-chart__series:hover)>:where(g:hover){opacity:1}:where(.vk-chart__series:hover)>:where(g:hover)>:where(.vk-chart__line){stroke-width:calc(var(--vk-chart-line-width,2px) + 1px);transition:stroke-width var(--vk-duration-fast) var(--vk-ease)}:where(.vk-chart__legend:hover)>:where(.vk-chart__legend-item){opacity:.45;transition:opacity var(--vk-duration-fast) var(--vk-ease)}:where(.vk-chart__legend:hover)>:where(.vk-chart__legend-item:hover){opacity:1}}@media (prefers-reduced-motion:reduce){:where(.vk-chart__series:hover)>:where(g),:where(.vk-chart__series:hover)>:where(g:hover)>:where(.vk-chart__line),:where(.vk-chart__legend:hover)>:where(.vk-chart__legend-item){transition:none}}:where(.vk-chart__legend[data-interactive]) :where(.vk-chart__legend-control){align-items:center;gap:var(--vk-space-2);padding:var(--vk-space-1) var(--vk-space-2);margin-inline:calc(var(--vk-space-2) * -1);border-radius:var(--vk-radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color var(--vk-duration-fast) var(--vk-ease);display:inline-flex}@media (hover:hover){:where(.vk-chart__legend[data-interactive]) :where(.vk-chart__legend-control:hover){background:var(--vk-color-surface-hover)}}:where(.vk-chart__legend-toggle){opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}:where(.vk-chart__legend-control:has(.vk-chart__legend-toggle:focus-visible)){outline:var(--vk-ring-width) solid var(--vk-color-ring);outline-offset:var(--vk-ring-offset)}:where(.vk-chart__legend-control:has(.vk-chart__legend-toggle:not(:checked))){opacity:.45}:where(.vk-chart__legend-control:has(.vk-chart__legend-toggle:not(:checked))) :where(.vk-chart__legend-label){text-decoration:line-through}:where([data-series-index]){transition:opacity var(--vk-duration-slow) var(--vk-ease-out), visibility 0s linear var(--vk-duration-slow);visibility:visible}:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="1"]:not(:checked))) :where([data-series-index="1"]),:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="2"]:not(:checked))) :where([data-series-index="2"]),:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="3"]:not(:checked))) :where([data-series-index="3"]),:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="4"]:not(:checked))) :where([data-series-index="4"]),:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="5"]:not(:checked))) :where([data-series-index="5"]),:where(.vk-chart:has(.vk-chart__legend-toggle[data-series="6"]:not(:checked))) :where([data-series-index="6"]){opacity:0;visibility:hidden;transition:opacity var(--vk-duration-slow) var(--vk-ease-out), visibility 0s linear var(--vk-duration-slow)}@media (prefers-reduced-motion:reduce){:where([data-series-index]){transition:none}}:where(.vk-sparkline){vertical-align:middle;inline-size:var(--vk-sparkline-width,7rem);--vk-sparkline-stroke:var(--vk-chart-1);display:inline-block}:where(.vk-sparkline__svg){inline-size:100%;display:block}:where(.vk-sparkline__line){fill:none;stroke:var(--vk-sparkline-stroke);stroke-linecap:round;stroke-linejoin:round}:where(.vk-sparkline__area){stroke:none;fill:var(--vk-sparkline-area,color-mix(in oklab, var(--vk-sparkline-stroke) 22%, transparent))}:where(.vk-sparkline__point){fill:var(--vk-sparkline-stroke);stroke:var(--vk-chart-surface);stroke-width:1px}:where(.vk-line-chart){inline-size:100%;display:block}:where(.vk-line-chart .vk-chart__line){stroke-dashoffset:0;animation:vk-line-draw .6s var(--vk-ease) both}@keyframes vk-line-draw{0%{opacity:.2}}@media (prefers-reduced-motion:reduce){:where(.vk-line-chart .vk-chart__line){animation:none}}:where(.vk-area-chart){inline-size:100%;display:block}:where(.vk-area-chart[data-stacked=true]) :where(.vk-chart__area){opacity:calc(var(--vk-chart-area-opacity) + .5)}:where(.vk-area-chart[data-stacked=true]) :where(.vk-chart__line){stroke:var(--vk-chart-surface);stroke-width:1px}:where(.vk-area-chart .vk-chart__area){animation:vk-area-rise var(--vk-duration) var(--vk-ease) both}@keyframes vk-area-rise{0%{opacity:0}}@media (prefers-reduced-motion:reduce){:where(.vk-area-chart .vk-chart__area){animation:none}}:where(.vk-bar-chart){inline-size:100%;display:block}:where(.vk-bar-chart__bar){stroke:var(--vk-chart-surface);stroke-width:1px}:where(.vk-bar-chart[data-orientation=vertical]) :where(.vk-bar-chart__bar){transform-box:fill-box;transform-origin:bottom;animation:vk-bar-grow-y .42s var(--vk-ease) both}:where(.vk-bar-chart[data-orientation=horizontal]) :where(.vk-bar-chart__bar){transform-box:fill-box;transform-origin:0;animation:vk-bar-grow-x .42s var(--vk-ease) both}@keyframes vk-bar-grow-y{0%{opacity:.4;transform:scaleY(.02)}}@keyframes vk-bar-grow-x{0%{opacity:.4;transform:scaleX(.02)}}@media (prefers-reduced-motion:reduce){:where(.vk-bar-chart__bar){animation:none}}@media (hover:hover){:where(.vk-bar-chart .vk-chart__series:hover)>:where(.vk-bar-chart__bar){opacity:.45;transition:opacity var(--vk-duration-fast) var(--vk-ease)}:where(.vk-bar-chart .vk-chart__series:hover)>:where(.vk-bar-chart__bar:hover){opacity:1;stroke:var(--vk-color-surface);stroke-width:1.5px;paint-order:stroke}}@media (prefers-reduced-motion:reduce){:where(.vk-bar-chart .vk-chart__series:hover)>:where(.vk-bar-chart__bar){transition:none}}:where(.vk-pie-chart){inline-size:100%;display:block}:where(.vk-pie-chart__svg){margin-inline:auto}:where(.vk-pie-chart__slice){stroke:var(--vk-chart-surface);stroke-width:1.5px}:where(.vk-pie-chart__track){stroke:var(--vk-chart-grid)}:where(.vk-pie-chart__label){fill:var(--vk-chart-surface);paint-order:stroke;stroke:color-mix(in oklab, var(--vk-color-fg) 45%, transparent);stroke-width:2.5px;stroke-linejoin:round;font-weight:600}:where(.vk-pie-chart__center){fill:var(--vk-color-fg);font-size:var(--vk-text-xl);font-weight:700}:where(.vk-pie-chart__center-sub){fill:var(--vk-color-muted)}:where(.vk-pie-chart__slice){animation:vk-pie-in .32s var(--vk-ease) both}@keyframes vk-pie-in{0%{opacity:0}}@media (prefers-reduced-motion:reduce){:where(.vk-pie-chart__slice){animation:none}}@media (hover:hover){:where(.vk-pie-chart__svg:hover) :where(.vk-pie-chart__slice){opacity:.5;transition:opacity var(--vk-duration-fast) var(--vk-ease), transform var(--vk-duration) var(--vk-ease-out)}:where(.vk-pie-chart__svg:hover) :where(.vk-pie-chart__slice:hover){opacity:1;transform-origin:50%;transform-box:view-box;stroke:var(--vk-color-surface);stroke-width:1.5px;paint-order:stroke;transform:scale(1.035)}}@media (prefers-reduced-motion:reduce){:where(.vk-pie-chart__svg:hover) :where(.vk-pie-chart__slice){transition:none}:where(.vk-pie-chart__svg:hover) :where(.vk-pie-chart__slice:hover){transform:none}}:where(.vk-progress-ring){justify-content:center;align-items:center;display:inline-flex}:where(.vk-progress-ring__svg){block-size:auto;inline-size:100%;display:block}:where(.vk-progress-ring__track){stroke:var(--vk-progress-ring-track,color-mix(in oklab, var(--vk-color-fg) 12%, transparent))}:where(.vk-progress-ring__arc){stroke:var(--vk-progress-ring-color,var(--vk-chart-1));transition:stroke-dashoffset var(--vk-duration) var(--vk-ease)}:where(.vk-progress-ring__center){font-size:var(--vk-text-md);text-align:center;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-weight:600;line-height:1.1;display:flex;position:absolute;inset:0}@media (prefers-reduced-motion:reduce){:where(.vk-progress-ring__arc){transition:none}}
:root{--vk-color-primary:#047857;--vk-color-primary-fg:#fff;--vk-color-primary-hover:#036049;--vk-color-primary-active:#02503c;--vk-color-primary-subtle:#ecfdf5;--vk-color-primary-subtle-fg:#065f46;--vk-color-ring:#059669;--vk-chart-1:#047857;--vk-chart-2:#0e7490;--vk-chart-3:#b45309;--vk-chart-4:#6d28d9;--vk-chart-5:#9d174d;--vk-chart-6:#3f6212;--vk-font-sans:var(--font-geist-sans), -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", Roboto, sans-serif;--vk-font-mono:var(--font-geist-mono), ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sf-grid-dot:#04785721;--sf-glow:#0596691a;--sf-scrim:#06181273}[data-theme=dark]{--vk-color-primary:#34d399;--vk-color-primary-fg:#052e22;--vk-color-primary-hover:#6ee7b7;--vk-color-primary-active:#10b981;--vk-color-primary-subtle:#052e26;--vk-color-primary-subtle-fg:#6ee7b7;--vk-color-ring:#34d399;--vk-chart-1:#34d399;--vk-chart-2:#38bdf8;--vk-chart-3:#fbbf24;--vk-chart-4:#c084fc;--vk-chart-5:#fb7185;--vk-chart-6:#a3e635;--sf-grid-dot:#34d39924;--sf-glow:#34d39914;--sf-scrim:#0000008c}html{scroll-behavior:smooth;scroll-padding-block-start:calc(var(--vk-navbar-height-md,3.5rem) + var(--vk-space-4))}body{background:var(--vk-color-bg);min-block-size:100dvh;color:var(--vk-color-fg);font-family:var(--vk-font-sans);font-size:var(--vk-text-md);line-height:var(--vk-leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;display:flex}.vk-chart{overflow-x:clip}.vk-prose>*+*{margin-block-start:var(--vk-space-4)}#sf-main{flex:1}.sf-skip{z-index:100;padding:var(--vk-space-3) var(--vk-space-5);border-radius:var(--vk-radius-md);background:var(--vk-color-primary);color:var(--vk-color-primary-fg);font-weight:var(--vk-weight-semibold);text-decoration:none;position:absolute;inset-block-start:-6rem;inset-inline-start:var(--vk-space-4)}.sf-skip:focus{inset-block-start:var(--vk-space-4)}.sf-ring-list{gap:var(--vk-space-3);margin:0;padding:0;list-style:none;display:grid}.sf-ring-item{gap:var(--vk-space-3);grid-template-columns:auto minmax(0,1fr);align-items:start;display:grid}.sf-ring-glyph{margin-block-start:.15em;line-height:0}.sf-ring-inline{align-items:center;gap:var(--vk-space-2);display:inline-flex}.sf-nav-search{inline-size:min(15rem,34vw);display:none}@media (min-width:48rem){.sf-nav-search{display:block}}.sf-nav-badge{text-decoration:none;display:none}@media (min-width:64rem){.sf-nav-badge{display:inline-flex}}.sf-nav-repo{gap:var(--vk-space-2);white-space:nowrap;text-decoration:none}.sf-nav-repo-label{display:none}@media (min-width:30rem){.sf-nav-repo-label{display:inline}}.vk-navbar__brand{min-block-size:2.75rem}.sf-hero{isolation:isolate;border-block-end:1px solid var(--vk-color-border);position:relative;overflow:hidden}.sf-hero:before{content:"";z-index:-1;background-image:radial-gradient(circle at center, var(--sf-grid-dot) 1.5px, transparent 1.6px);background-size:26px 26px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(90% 70% at 50% 0,#000 30%,#0000 78%);mask-image:radial-gradient(90% 70% at 50% 0,#000 30%,#0000 78%)}.sf-hero:after{content:"";z-index:-2;aspect-ratio:1;background:radial-gradient(circle, var(--sf-glow) 0%, transparent 62%);border-radius:50%;inline-size:min(62rem,130%);position:absolute;inset-block-start:-32%;inset-inline-start:50%;translate:-50%}.sf-hero-search{inline-size:100%;max-inline-size:34rem;margin-inline:auto}.sf-chip-row{gap:var(--vk-space-2);flex-wrap:wrap;justify-content:center;display:flex}.sf-chip{text-decoration:none}.sf-card{flex-direction:column;block-size:100%;transition:transform .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.sf-card:hover{transform:translateY(-3px)}.sf-card-body{gap:var(--vk-space-3);padding:var(--vk-space-5) var(--vk-space-5) var(--vk-space-4);flex-direction:column;flex:1;display:flex}.sf-card-footer{padding:var(--vk-space-4) var(--vk-space-5) var(--vk-space-5);border-block-start:1px solid var(--vk-color-border-subtle);justify-content:space-between;margin-block-start:0}.sf-cover{aspect-ratio:16/9;background:var(--vk-color-surface-sunken);position:relative;overflow:hidden}.sf-cover img{object-fit:cover}.sf-cover-badge{z-index:1;position:absolute;inset-block-start:var(--vk-space-3);inset-inline-start:var(--vk-space-3)}.sf-card-title{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;min-block-size:2.7em;display:-webkit-box;overflow:hidden}.sf-card-subtitle{min-block-size:3.2em}.sf-card-link{color:inherit;text-decoration:none}.sf-card-link:after{content:"";z-index:2;position:absolute;inset:0}.sf-card-link:hover{text-underline-offset:3px;text-decoration:underline}.sf-meta{align-items:center;gap:var(--vk-space-2) var(--vk-space-3);color:var(--vk-color-muted);font-size:var(--vk-text-sm);flex-wrap:wrap;display:flex}.sf-meta-group{align-items:center;gap:var(--vk-space-2);white-space:nowrap;display:inline-flex}.sf-price{font-size:var(--vk-text-xl);font-weight:var(--vk-weight-bold);letter-spacing:var(--vk-tracking-tight)}.sf-price-was{font-size:var(--vk-text-sm);font-weight:var(--vk-weight-normal);color:var(--vk-color-muted);margin-inline-start:var(--vk-space-2);text-decoration:line-through}.sf-split{gap:var(--vk-space-8);align-items:start;display:grid}@media (min-width:64rem){.sf-split{gap:var(--vk-space-12);grid-template-columns:minmax(0,1fr) 21rem}}.sf-sticky{position:sticky;inset-block-start:var(--vk-space-6)}.sf-player{border-radius:var(--vk-radius-lg);border:1px solid var(--vk-color-border);position:relative;overflow:hidden}.sf-player img{object-fit:cover}.sf-player-scrim{place-items:center;gap:var(--vk-space-3);background:linear-gradient(180deg, #0000001a, var(--sf-scrim));display:grid;position:absolute;inset:0}.sf-lesson{justify-content:space-between;align-items:center;gap:var(--vk-space-3);padding-block:var(--vk-space-3);border-block-end:1px solid var(--vk-color-border-subtle);flex-wrap:wrap;display:flex}.sf-lesson:last-child{border-block-end:0}.sf-lesson-name{align-items:center;gap:var(--vk-space-3);min-inline-size:0;display:flex}.sf-lesson-meta{align-items:center;gap:var(--vk-space-3);color:var(--vk-color-muted);font-size:var(--vk-text-sm);font-variant-numeric:tabular-nums;display:flex}.sf-dist-row{align-items:center;gap:var(--vk-space-3);font-size:var(--vk-text-sm);color:var(--vk-color-muted);grid-template-columns:3.5rem minmax(0,1fr);display:grid}.sf-dist-bar{align-items:center;gap:var(--vk-space-3);grid-template-columns:minmax(0,1fr) 3rem;display:grid}.sf-dist-count{text-align:end;font-variant-numeric:tabular-nums}.sf-review{padding-block:var(--vk-space-5);border-block-end:1px solid var(--vk-color-border-subtle)}.sf-review:last-child{border-block-end:0}.sf-review-head{align-items:center;gap:var(--vk-space-3);margin-block-end:var(--vk-space-3);display:flex}.sf-shell{gap:var(--vk-space-8);align-items:start;display:grid}@media (min-width:60rem){.sf-shell{grid-template-columns:auto minmax(0,1fr)}.sf-shell-rail{grid-area:1/1}.sf-shell-main{grid-area:1/2}}.sf-continue{gap:var(--vk-space-4);grid-template-columns:auto minmax(0,1fr);align-items:center;display:grid}.sf-chart-wide{grid-column:span 1}@media (min-width:64rem){.sf-chart-wide{grid-column:span 2}}.sf-streak{align-items:baseline;gap:var(--vk-space-2);display:flex}.sf-streak-count{font-size:var(--vk-text-3xl);font-weight:var(--vk-weight-bold);letter-spacing:var(--vk-tracking-tighter);line-height:var(--vk-leading-none)}.sf-filter-bar{padding:var(--vk-space-6);border:1px solid var(--vk-color-border);border-radius:var(--vk-radius-lg);background:var(--vk-color-surface-subtle)}.sf-filters{gap:var(--vk-space-5);display:grid}@media (min-width:48rem){.sf-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:72rem){.sf-filters{grid-template-columns:repeat(4,minmax(0,1fr));align-items:start}}.sf-result-line{justify-content:space-between;align-items:center;gap:var(--vk-space-3);flex-wrap:wrap;display:flex}.sf-install{align-items:center;gap:var(--vk-space-2);padding:var(--vk-space-2) var(--vk-space-2) var(--vk-space-2) var(--vk-space-3);border:1px solid var(--vk-color-border);border-radius:var(--vk-radius-md);background:var(--vk-color-surface-subtle);flex-wrap:nowrap;display:flex}.sf-install code{white-space:nowrap;scrollbar-width:none;flex:auto;min-inline-size:0;overflow-x:auto}.sf-install code::-webkit-scrollbar{display:none}.sf-install>span:last-child{flex:none}.sf-badge-link{text-decoration:none}.sf-prose-narrow{max-inline-size:38rem}.sf-tabular{font-variant-numeric:tabular-nums}.sf-chart-frame{padding:var(--vk-space-5);border:1px solid var(--vk-color-border);border-radius:var(--vk-radius-lg);background:var(--vk-color-surface)}.sf-instructor{gap:var(--vk-space-6);align-items:start;display:grid}@media (min-width:48rem){.sf-instructor{gap:var(--vk-space-10);grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}.sf-visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;block-size:1px;inline-size:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.sf-card,.sf-card:hover{transition:none;transform:none}}