@charset "UTF-8";:root{--content-max: 1240px;--header-h: 62px;--rail-w: 270px;--aside-w: 280px;--font-sans: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display: "Bricolage Grotesque", "Avenir Next", "Onest", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--measure: 72ch;--r-sm: 8px;--r: 14px;--r-lg: 22px;--dur-fast: .12s;--dur: .2s;--dur-slow: .3s;--ease: cubic-bezier(.4, 0, .2, 1);--focus-ring: 2px solid var(--accent-2);--focus-offset: 2px;--tap: 44px}html[data-theme=dark]{--bg: #0b0c10;--surface: #14161d;--surface-2: #1b1e28;--surface-glass: rgba(11, 12, 16, .82);--border: #272b38;--text: #eceef5;--text-dim: #949aad;--text-faint: #6f7689;--accent: #8b7cff;--on-accent: #0b0c10;--accent-2: #3dd6ea;--hot: #ff7a59;--glow: rgba(139, 124, 255, .18);--glow-2: rgba(61, 214, 234, .12);--shadow: 0 24px 60px -24px rgba(0, 0, 0, .7);--code-bg: #0f1117;--code-border: #272b38;--ok: #46d49a;--err: #ff6b7d;color-scheme:dark}html[data-theme=light]{--bg: #f5f5f8;--surface: #ffffff;--surface-2: #edeef4;--surface-glass: rgba(245, 245, 248, .85);--border: #dcdee8;--text: #12131a;--text-dim: #5a6072;--text-faint: #7a8196;--accent: #5b4af0;--on-accent: #ffffff;--accent-2: #0a97ad;--hot: #e0522d;--glow: rgba(91, 74, 240, .12);--glow-2: rgba(10, 151, 173, .1);--shadow: 0 24px 60px -28px rgba(20, 30, 60, .25);--code-bg: #f6f8fa;--code-border: #d8dee9;--ok: #14965f;--err: #d63a50;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}body{min-height:100vh}html,body{overflow-x:clip}html.shorts-open,html.shorts-open body,html.sheet-open,html.sheet-open body,html.playground-open,html.playground-open body{overflow:hidden;overscroll-behavior:none}html.playground-open :is(gwg-header,gwg-footer){display:none}html.playground-open body{padding-bottom:0}.app-main{min-height:calc(100vh - var(--header-h));overflow-x:clip}@media(max-width:900px){html body{padding-bottom:calc(var(--tap) + 1.1rem + 76px + env(safe-area-inset-bottom,0px))}}a{color:var(--accent)}h1,h2,h3{font-family:var(--font-display);text-wrap:balance}:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset);border-radius:6px}:where(a,button,input,select,textarea):focus:not(:focus-visible){outline:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}html{scroll-behavior:auto}}::selection{background:color-mix(in srgb,var(--accent) 35%,transparent)}*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}.skip-link{position:absolute;left:-9999px;top:0;padding:.6rem 1rem;background:var(--accent);color:var(--on-accent);z-index:100;border-radius:0 0 8px}.skip-link:focus{left:0}.prose{display:block;font-size:1rem;line-height:1.75;color:var(--text)}.prose>:where(p,ul,ol,blockquote,h2,h3,h4){max-width:var(--measure)}.prose h2{margin:2.4rem 0 1rem;font-size:1.5rem;letter-spacing:-.02em;padding-bottom:.4rem;border-bottom:1px solid var(--border)}.prose h3{margin:1.8rem 0 .7rem;font-size:1.2rem}.prose p{margin:0 0 1rem}.prose ul,.prose ol{margin:0 0 1rem;padding-inline-start:1.4rem}.prose li{margin:.3rem 0}.prose a{text-decoration:underline;text-underline-offset:3px}.prose code{font-family:var(--font-mono);font-size:.88em;background:var(--surface-2);padding:.15em .4em;border-radius:6px}.prose pre{margin:1.2rem 0;padding:1.1rem 1.25rem;border-radius:14px;border:1px solid var(--border);background:var(--code-bg);overflow-x:auto;font-size:.9rem;line-height:1.6}.prose pre code{background:transparent;padding:0;font-size:inherit}.prose blockquote{margin:1.2rem 0;padding:.8rem 1.1rem;border-inline-start:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:0 10px 10px 0;color:var(--text-dim)}.prose blockquote p{margin:0}.prose table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.92rem}.prose th,.prose td{border:1px solid var(--border);padding:.55rem .8rem;text-align:start}.prose th{background:var(--surface-2)}.prose img{border-radius:12px}.prose hr{border:0;border-top:1px solid var(--border);margin:2rem 0}html[data-theme=light] code[class*=language-],html[data-theme=light] pre[class*=language-]{color:#24292f;background:none;text-shadow:none}html[data-theme=light] pre[class*=language-]{background:var(--code-bg)}html[data-theme=light] .token.comment,html[data-theme=light] .token.prolog,html[data-theme=light] .token.doctype,html[data-theme=light] .token.cdata{color:#6e7781}html[data-theme=light] .token.punctuation{color:#24292f}html[data-theme=light] .token.property,html[data-theme=light] .token.tag,html[data-theme=light] .token.constant,html[data-theme=light] .token.symbol,html[data-theme=light] .token.deleted{color:#cf222e}html[data-theme=light] .token.boolean,html[data-theme=light] .token.number{color:#0550ae}html[data-theme=light] .token.selector,html[data-theme=light] .token.attr-name,html[data-theme=light] .token.string,html[data-theme=light] .token.char,html[data-theme=light] .token.builtin,html[data-theme=light] .token.inserted{color:#0a3069}html[data-theme=light] .token.operator,html[data-theme=light] .token.entity,html[data-theme=light] .token.url,html[data-theme=light] .language-css .token.string,html[data-theme=light] .style .token.string{color:#0550ae;background:none}html[data-theme=light] .token.atrule,html[data-theme=light] .token.attr-value,html[data-theme=light] .token.keyword{color:#cf222e}html[data-theme=light] .token.function,html[data-theme=light] .token.class-name{color:#8250df}html[data-theme=light] .token.regex,html[data-theme=light] .token.important,html[data-theme=light] .token.variable{color:#953800}.code-wrap{position:relative;margin:1.2rem 0}.code-wrap pre{margin:0}.code-wrap:after{content:"";position:absolute;inset-block:1px;inset-inline-end:1px;width:2.5rem;border-radius:0 10px 10px 0;background:linear-gradient(to right,transparent,var(--code-bg));pointer-events:none;opacity:0;transition:opacity var(--dur) var(--ease)}.code-wrap.code-more:after{opacity:1}.code-bar{position:absolute;top:.5rem;inset-inline-end:.5rem;display:flex;align-items:center;gap:.5rem;z-index:2}.code-lang{font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim);pointer-events:none}.code-copy{display:inline-flex;align-items:center;gap:.35rem;min-height:28px;padding:.25rem .55rem;border-radius:8px;border:1px solid var(--code-border);background:var(--surface);color:var(--text-dim);font:inherit;font-size:.75rem;font-weight:600;cursor:pointer;opacity:.8;transition:opacity var(--dur) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.code-copy:hover{color:var(--text);border-color:var(--accent)}.code-copy.copied{color:var(--ok);border-color:var(--ok)}.code-copy .gwg-icon{width:13px;height:13px}.code-wrap:hover .code-copy,.code-wrap:focus-within .code-copy{opacity:1}.nocase{text-transform:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}skillbyai-companion{transition:opacity .2s ease,visibility .2s}skillbyai-companion.skc-off{display:none!important}html.skc-tucked skillbyai-companion{opacity:0;visibility:hidden;pointer-events:none}html:has([data-gc-menu]>*,[data-gc-account-sheet]>*) skillbyai-companion{opacity:0;visibility:hidden;pointer-events:none}body:has(skillbyai-companion:not(.skc-off)) main{padding-bottom:5.5rem}@media(min-width:901px){body{padding-bottom:76px}}html.v2-page body{background:#f4f1ea}html.v2-page[data-theme=dark] body{background:#0e0d12}code[class*=language-],pre[class*=language-]{color:#ccc;background:none;font-family:Consolas,Monaco,Andale Mono,Ubuntu Mono,monospace;font-size:1em;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*=language-]{padding:1em;margin:.5em 0;overflow:auto}:not(pre)>code[class*=language-],pre[class*=language-]{background:#2d2d2d}:not(pre)>code[class*=language-]{padding:.1em;border-radius:.3em;white-space:normal}.token.comment,.token.block-comment,.token.prolog,.token.doctype,.token.cdata{color:#999}.token.punctuation{color:#ccc}.token.tag,.token.attr-name,.token.namespace,.token.deleted{color:#e2777a}.token.function-name{color:#6196cc}.token.boolean,.token.number,.token.function{color:#f08d49}.token.property,.token.class-name,.token.constant,.token.symbol{color:#f8c555}.token.selector,.token.important,.token.atrule,.token.keyword,.token.builtin{color:#cc99cd}.token.string,.token.char,.token.attr-value,.token.regex,.token.variable{color:#7ec699}.token.operator,.token.entity,.token.url{color:#67cdcc}.token.important,.token.bold{font-weight:700}.token.italic{font-style:italic}.token.entity{cursor:help}.token.inserted{color:green}.gc{--gc-content-max: 1240px;--gc-header-h: 62px;--gc-tap: 44px;--gc-dur: .2s;--gc-dur-fast: .12s;--gc-dur-slow: .3s;--gc-ease: cubic-bezier(.4, 0, .2, 1);--gc-font-sans: var(--gc-onest, "Onest"), system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--gc-font-display: var(--gc-bricolage, "Bricolage Grotesque"), "Avenir Next", var(--gc-onest, "Onest"), system-ui, sans-serif;--gc-font-mono: var(--gc-jetbrains, "JetBrains Mono"), ui-monospace, "SFMono-Regular", Menlo, monospace;--gc-bg: #0b0c10;--gc-surface: #14161d;--gc-surface-2: #1b1e28;--gc-surface-glass: rgba(11, 12, 16, .82);--gc-border: #272b38;--gc-text: #eceef5;--gc-text-dim: #949aad;--gc-text-faint: #6f7689;--gc-accent: #8b7cff;--gc-on-accent: #0b0c10;--gc-accent-2: #3dd6ea;--gc-shadow: 0 24px 60px -24px rgba(0, 0, 0, .7);font-family:var(--gc-font-sans);color:var(--gc-text);-webkit-font-smoothing:antialiased}html[data-theme=light] .gc{--gc-bg: #f5f5f8;--gc-surface: #ffffff;--gc-surface-2: #edeef4;--gc-surface-glass: rgba(245, 245, 248, .85);--gc-border: #dcdee8;--gc-text: #12131a;--gc-text-dim: #5a6072;--gc-text-faint: #7a8196;--gc-accent: #5b4af0;--gc-on-accent: #ffffff;--gc-accent-2: #0a97ad;--gc-shadow: 0 24px 60px -28px rgba(20, 30, 60, .25)}@media(prefers-color-scheme:light){html:not([data-theme]) .gc{--gc-bg: #f5f5f8;--gc-surface: #ffffff;--gc-surface-2: #edeef4;--gc-surface-glass: rgba(245, 245, 248, .85);--gc-border: #dcdee8;--gc-text: #12131a;--gc-text-dim: #5a6072;--gc-text-faint: #7a8196;--gc-accent: #5b4af0;--gc-on-accent: #ffffff;--gc-accent-2: #0a97ad;--gc-shadow: 0 24px 60px -28px rgba(20, 30, 60, .25)}}.gc *,.gc *:before,.gc *:after{box-sizing:border-box}.gc :where(a,button,input,summary):focus-visible{outline:2px solid var(--gc-accent-2);outline-offset:2px;border-radius:6px}.gc-icon{width:var(--gc-icon, 1em);height:var(--gc-icon, 1em);flex:none}@media(scripting:none){.gc-js,.gc-search{display:none!important}.gc-tools{margin-inline-start:auto}}html.sheet-open,html.sheet-open body{overflow:hidden;overscroll-behavior:none}html.sheet-open .gc-tabbar,html.sheet-open skillbyai-companion{display:none!important}.gc-top{position:sticky;top:0;z-index:50}.gc-header{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:var(--gc-surface-glass);border-bottom:1px solid var(--gc-border);padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) 0 env(safe-area-inset-left,0px)}.gc-bar{max-width:var(--gc-content-max);margin:0 auto;padding:0 clamp(1rem,3vw,2rem);height:var(--gc-header-h);display:flex;align-items:center;gap:1rem;min-width:0}.gc-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.05rem;text-decoration:none;color:var(--gc-text);white-space:nowrap;flex:none}.gc-brand:hover{color:var(--gc-text)}.gc-top .gc-brand{min-height:var(--gc-tap, 44px)}.gc-brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;font-family:var(--gc-font-mono);font-size:.8rem;font-weight:600;color:var(--gc-on-accent);background:linear-gradient(135deg,var(--gc-accent),var(--gc-accent-2))}.gc-brand-text{font-family:var(--gc-font-display);font-weight:800;letter-spacing:-.02em;font-size:1.12rem}.gc-brand-text span{color:var(--gc-accent-2)}.gc-nav{display:flex;align-items:center;gap:.25rem}.gc-nav a{display:inline-flex;align-items:center;gap:.3rem;min-height:var(--gc-tap);padding:.4rem .8rem;border:0;border-radius:9px;background:transparent;color:var(--gc-text-dim);font:inherit;font-weight:500;font-size:.92rem;text-decoration:none;cursor:pointer;transition:background var(--gc-dur),color var(--gc-dur)}.gc-nav a:hover,.gc-nav a[aria-current=page]{color:var(--gc-text);background:var(--gc-surface-2)}.gc-nav .gc-courses-btn.gc-active{color:var(--gc-accent);background:color-mix(in srgb,var(--gc-accent) 14%,transparent)}.gc-nav:has(.gc-active) a[aria-current=page],.gc-tabbar:has(.gc-active) a[aria-current=page]{color:var(--gc-text-dim);background:transparent}.gc-search{display:flex;align-items:center;gap:.6rem;flex:1;max-width:280px;min-width:0;min-height:40px;margin-inline-start:auto;padding:0 .6rem 0 .8rem;border:1px solid var(--gc-border);border-radius:12px;background:var(--gc-surface);color:var(--gc-text-faint);cursor:text;--gc-icon: 16px;transition:border-color var(--gc-dur)}.gc-search input{flex:1;min-width:0;height:38px;border:0;background:transparent;color:var(--gc-text);font:inherit;font-size:.88rem;outline:none}.gc-search input::placeholder{color:var(--gc-text-faint)}.gc-search kbd{flex:none;padding:.05rem .4rem;border:1px solid var(--gc-border);border-radius:6px;font-family:var(--gc-font-mono);font-size:.7rem;color:var(--gc-text-dim)}.gc-search:hover{border-color:var(--gc-accent)}.gc .gc-search input:focus-visible{outline:none}.gc-tools{display:flex;align-items:center;gap:.6rem;flex:none}.gc-lang{position:relative}.gc-lang>summary{list-style:none}.gc-lang>summary::-webkit-details-marker{display:none}.gc-lang-btn,.gc-theme-btn,.gc-tg-btn{display:flex;align-items:center;gap:.4rem;min-height:var(--gc-tap);padding:.45rem .7rem;border-radius:10px;border:1px solid var(--gc-border);background:var(--gc-surface-2);color:var(--gc-text);font:inherit;font-weight:600;font-size:.85rem;cursor:pointer;transition:border-color var(--gc-dur) var(--gc-ease),transform var(--gc-dur-fast) var(--gc-ease)}.gc-lang-btn:hover,.gc-theme-btn:hover,.gc-tg-btn:hover{border-color:var(--gc-accent)}.gc-lang-btn:active,.gc-theme-btn:active,.gc-tg-btn:active{transform:translateY(1px)}.gc-theme-btn,.gc-tg-btn{padding:.45rem;min-width:var(--gc-tap);justify-content:center;--gc-icon: 17px}.gc-tg-btn,.gc-tg-link .gc-icon{color:#229ed9}.gc-theme-btn .gc-i-moon,html[data-theme=light] .gc-theme-btn .gc-i-sun{display:none}html[data-theme=light] .gc-theme-btn .gc-i-moon{display:block}@media(prefers-color-scheme:light){html:not([data-theme]) .gc-theme-btn .gc-i-sun{display:none}html:not([data-theme]) .gc-theme-btn .gc-i-moon{display:block}}.gc-account{display:inline-flex;align-items:center;justify-content:center;min-height:var(--gc-tap);padding:0 .95rem;border-radius:999px;background:var(--gc-accent);color:var(--gc-on-accent);font-weight:700;font-size:.85rem;text-decoration:none;white-space:nowrap}.gc-account:hover{filter:brightness(1.08)}.gc-account.gc-account-user{width:var(--gc-tap);padding:0;font-family:var(--gc-font-mono);font-size:.78rem}.gc-inbox{position:relative;display:grid;place-items:center;width:var(--gc-tap);height:var(--gc-tap);border-radius:999px;color:var(--gc-text);text-decoration:none;--gc-icon: 20px}.gc-inbox:hover{background:var(--gc-surface-2)}.gc-inbox-count{position:absolute;top:4px;right:2px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--gc-accent);color:var(--gc-on-accent);font-size:11px;font-weight:800;line-height:18px;text-align:center}.gc-m-search,.gc-menu-btn{display:none}.gc-app-btn{display:inline-flex;align-items:center;gap:.4rem;min-height:var(--gc-tap);padding:.45rem .8rem;border-radius:10px;border:1px solid color-mix(in srgb,var(--gc-accent-2) 45%,var(--gc-border));background:color-mix(in srgb,var(--gc-accent-2) 10%,var(--gc-surface-2));color:var(--gc-text);font-weight:600;font-size:.85rem;text-decoration:none;white-space:nowrap;--gc-icon: 17px;transition:border-color var(--gc-dur) var(--gc-ease),transform var(--gc-dur-fast) var(--gc-ease)}.gc-app-btn .gc-icon{color:var(--gc-accent-2)}.gc-app-btn:hover,.gc-app-btn[aria-current=page]{border-color:var(--gc-accent-2)}.gc-app-btn:active{transform:translateY(1px)}.gc-caret{opacity:.6;--gc-icon: 14px;transition:transform var(--gc-dur) var(--gc-ease)}.gc-lang[open] .gc-caret{transform:rotate(180deg)}.gc-lang-menu{position:absolute;right:0;top:calc(100% + .4rem);min-width:160px;list-style:none;margin:0;padding:.35rem;border-radius:12px;border:1px solid var(--gc-border);background:var(--gc-surface);box-shadow:var(--gc-shadow);z-index:60}.gc-lang-menu a{width:100%;display:flex;align-items:center;gap:.5rem;min-height:var(--gc-tap);padding:.5rem .6rem;border-radius:8px;color:var(--gc-text);text-decoration:none}.gc-lang-menu a:hover{background:var(--gc-surface-2)}.gc-lang-menu a.gc-current{color:var(--gc-accent);font-weight:700}.gc-badge{display:grid;place-items:center;flex:none;font-family:var(--gc-font-mono);font-weight:700;letter-spacing:.02em;color:color-mix(in srgb,var(--gc-hue) 45%,#fff);background:color-mix(in srgb,var(--gc-hue) 28%,var(--gc-surface))}.gc-dot{flex:none;width:10px;height:10px;border-radius:3px;background:color-mix(in srgb,var(--gc-hue) 70%,#fff)}html[data-theme=light] .gc-badge{color:var(--gc-hue);background:color-mix(in srgb,var(--gc-hue) 12%,var(--gc-surface))}html[data-theme=light] .gc-dot{background:var(--gc-hue)}@media(prefers-color-scheme:light){html:not([data-theme]) .gc-badge{color:var(--gc-hue);background:color-mix(in srgb,var(--gc-hue) 12%,var(--gc-surface))}html:not([data-theme]) .gc-dot{background:var(--gc-hue)}}.gc-label{margin:0;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gc-text-dim)}.gc-empty{margin:0;color:var(--gc-text-dim);font-size:.92rem}.gc-backdrop{position:fixed;inset:calc(var(--gc-header-h) + env(safe-area-inset-top,0px)) 0 0 0;z-index:1;background:#0f172a47}.gc-panel{position:absolute;z-index:2;top:calc(100% + 12px);left:max(1rem,calc((100% - var(--gc-content-max)) / 2));right:max(1rem,calc((100% - var(--gc-content-max)) / 2));height:min(560px,calc(100vh - var(--gc-header-h) - 24px));display:grid;grid-template-columns:264px minmax(0,1fr);overflow:hidden;border:1px solid var(--gc-border);border-radius:18px;background:var(--gc-surface);box-shadow:var(--gc-shadow)}.gc-rail{display:flex;flex-direction:column;gap:.25rem;min-height:0;padding:1.25rem .85rem;border-inline-end:1px solid var(--gc-border);background:var(--gc-bg)}.gc-rail .gc-label{padding:0 .75rem .6rem}.gc-rail ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;min-height:0;overflow-y:auto}.gc-rail-btn{width:100%;display:flex;align-items:center;gap:.75rem;min-height:var(--gc-tap);padding:.55rem .75rem;border:0;border-radius:10px;background:none;color:var(--gc-text-dim);font:inherit;font-size:.9rem;font-weight:600;text-align:start;cursor:pointer;--gc-icon: 15px}.gc-rail-btn .gc-rail-name{flex:1;min-width:0}.gc-rail-btn .gc-icon{opacity:.6}.gc-rail-btn:hover{background:var(--gc-surface-2);color:var(--gc-text)}.gc-rail-btn.gc-on{background:var(--gc-surface);color:var(--gc-text);box-shadow:0 1px 2px #0f172a14,0 0 0 1px var(--gc-border)}.gc-rail-btn.gc-on .gc-icon{opacity:1}.gc-browse-all{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-top:auto;min-height:var(--gc-tap);padding:.6rem .75rem;border-radius:10px;color:var(--gc-accent);font-size:.88rem;font-weight:700;text-decoration:none;--gc-icon: 15px}.gc-browse-all:hover{background:var(--gc-surface-2);color:var(--gc-accent)}.gc-panel.gc-panel-results{left:auto;width:min(520px,calc(100% - 2rem));height:auto;max-height:min(560px,calc(100vh - var(--gc-header-h) - 24px));grid-template-columns:minmax(0,1fr)}.gc-panel-results .gc-pane{padding:1rem}.gc-panel-results .gc-rows{grid-template-columns:minmax(0,1fr)}.gc-pane{display:flex;flex-direction:column;gap:1.25rem;min-height:0;padding:1.75rem 2rem;overflow-y:auto;overscroll-behavior:contain}.gc-pane h2{margin:0;font-family:var(--gc-font-display);font-size:1.375rem;font-weight:800;letter-spacing:-.01em;color:var(--gc-text)}.gc-rows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 16px}.gc-row{display:flex;align-items:center;gap:.75rem;padding:.625rem;border-radius:12px;color:var(--gc-text);text-decoration:none}.gc-row .gc-badge{width:42px;height:42px;border-radius:11px;font-size:.68rem}.gc-row:hover,.gc-row.gc-hl{background:var(--gc-surface-2);color:var(--gc-text)}.gc-row-text{display:flex;flex-direction:column;gap:2px;min-width:0}.gc-row-title{font-size:.94rem;font-weight:700}.gc-row-sub{font-size:.8rem;font-weight:500;color:var(--gc-text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.gc-soon{display:flex;flex-direction:column;gap:.75rem;padding-top:1.1rem;border-top:1px solid var(--gc-border)}.gc-soon ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.gc-soon li{padding:.35rem .75rem;border-radius:999px;background:var(--gc-surface-2);color:var(--gc-text-dim);font-size:.8rem;font-weight:600}.gc-sheet-backdrop{position:fixed;inset:0;z-index:70;background:#0f172a66}.gc-sheet{position:fixed;z-index:71;inset:64px 0 0;display:flex;flex-direction:column;overflow:hidden;border-radius:22px 22px 0 0;background:var(--gc-surface);animation:gc-sheet-up var(--gc-dur-slow) var(--gc-ease)}@keyframes gc-sheet-up{0%{transform:translateY(24px);opacity:0}}.gc-grabber{flex:none;display:flex;justify-content:center;padding:10px 0 6px;touch-action:none;cursor:grab}.gc-grabber span{width:40px;height:5px;border-radius:3px;background:var(--gc-border)}.gc-sheet-head{flex:none;display:flex;align-items:center;padding:.25rem .75rem .25rem 1.25rem}.gc-sheet-head h2{flex:1;margin:0;font-family:var(--gc-font-display);font-size:1.25rem;font-weight:800;color:var(--gc-text)}.gc-sheet-close{display:grid;place-items:center;width:var(--gc-tap);height:var(--gc-tap);border:0;border-radius:999px;background:var(--gc-surface-2);color:var(--gc-text);cursor:pointer;--gc-icon: 20px}.gc-sheet-search{flex:none;display:flex;align-items:center;gap:.6rem;margin:.6rem 1.25rem .9rem;padding:0 .9rem;border-radius:12px;background:var(--gc-surface-2);color:var(--gc-text-faint);--gc-icon: 18px}.gc-sheet-search input{flex:1;min-width:0;height:46px;border:0;background:transparent;color:var(--gc-text);font:inherit;font-size:16px;outline:none}.gc-sheet-search:focus-within{box-shadow:0 0 0 2px var(--gc-accent)}.gc .gc-sheet-search input:focus-visible{outline:none}.gc-sheet-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 1.25rem calc(1.5rem + env(safe-area-inset-bottom,0px))}.gc-acc{border-bottom:1px solid var(--gc-border)}.gc-acc-btn{width:100%;display:flex;align-items:center;gap:.75rem;min-height:56px;padding:0;border:0;background:none;color:var(--gc-text);font:inherit;text-align:start;cursor:pointer}.gc-acc-name{flex:1;font-size:1rem;font-weight:700}.gc-acc-caret{color:var(--gc-text-dim);--gc-icon: 20px;transition:transform var(--gc-dur) var(--gc-ease)}.gc-acc-btn[aria-expanded=true] .gc-acc-caret{transform:rotate(180deg)}.gc-acc-icon{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:8px;background:color-mix(in srgb,var(--gc-hue, var(--gc-accent)) 14%,var(--gc-surface))}.gc-acc-icon.gc-all{color:var(--gc-accent);--gc-icon: 16px}.gc-acc-body{padding-bottom:1rem}.gc-group-label{display:flex;align-items:center;gap:.5rem;margin:0;padding:.65rem 2px .5rem;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gc-text-dim)}.gc-group-label .gc-dot{width:8px;height:8px;border-radius:2px}.gc-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding-bottom:6px}.gc-tile{display:flex;align-items:center;gap:.6rem;min-height:52px;padding:.5rem .6rem;border:1px solid var(--gc-border);border-radius:12px;color:var(--gc-text);text-decoration:none}.gc-tile .gc-badge{width:32px;height:32px;border-radius:8px;font-size:.62rem}.gc-tile:active{background:var(--gc-surface-2)}.gc-tile-title{min-width:0;font-size:.84rem;font-weight:700;line-height:1.25;overflow-wrap:anywhere}.gc-soon-line{margin:.4rem 0 0;font-size:.82rem;line-height:1.5;color:var(--gc-text-dim)}.gc-soon-line b{color:var(--gc-text)}.gc-sheet.gc-acct-sheet{top:auto;max-height:calc(100dvh - 64px)}.gc-acct-body{overflow-y:auto;overscroll-behavior:contain;padding:.25rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom,0px))}.gc-acct-head{display:flex;align-items:center;gap:.9rem;padding:.4rem 0 .25rem}.gc-acct-head .gc-sheet-close{background:none;color:var(--gc-text-dim)}.gc-avatar{display:grid;place-items:center;flex:none;width:52px;height:52px;border-radius:999px;background:var(--gc-surface-2);color:var(--gc-text);font-weight:700;font-size:1rem}.gc-acct-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:.15rem}.gc-acct-title{font-size:1.1rem;font-weight:700;color:var(--gc-text)}.gc-acct-title.gc-display{font-family:var(--gc-font-display);font-size:1.3rem;font-weight:800;letter-spacing:-.01em}.gc-acct-sub{font-size:.88rem;color:var(--gc-text-dim)}.gc-acct-cta{display:flex;flex-direction:column;gap:.6rem;margin-top:1.1rem}.gc-btn{display:flex;align-items:center;justify-content:center;min-height:48px;padding:0 1rem;border-radius:12px;font-weight:700;font-size:.98rem;text-decoration:none}.gc-btn-primary{background:var(--gc-accent);color:var(--gc-on-accent)}.gc-btn-ghost{border:1px solid var(--gc-border);color:var(--gc-text)}.gc-field-label{margin:1.25rem 0 .5rem;font-size:.85rem;color:var(--gc-text-dim)}.gc-seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:4px;border-radius:12px;background:var(--gc-bg)}.gc-seg-btn{display:grid;place-items:center;min-height:var(--gc-tap);border:0;border-radius:9px;background:none;color:var(--gc-text-dim);font:inherit;font-weight:600;font-size:.92rem;text-decoration:none;cursor:pointer}.gc-seg-btn.gc-on{background:var(--gc-surface-2);color:var(--gc-text)}.gc-list{display:flex;flex-direction:column;margin-top:1rem}.gc-list-row{display:flex;align-items:center;gap:1rem;width:100%;min-height:56px;padding:0;border:0;border-bottom:1px solid var(--gc-border);background:none;color:var(--gc-text);font:inherit;font-size:1rem;text-align:start;text-decoration:none;cursor:pointer;--gc-icon: 20px}.gc-list-row:last-child{border-bottom:0}.gc-list-row>span:first-of-type{flex:1}.gc-list-row .gc-icon{color:var(--gc-text-dim)}.gc-beta{flex:none!important;font-size:.82rem;font-weight:600;color:#34d399}html[data-theme=light] .gc-beta{color:#059669}.gc-tabbar{display:none}@media(max-width:900px){body{padding-bottom:calc(var(--gc-tap, 44px) + 1.1rem + env(safe-area-inset-bottom,0px))}skillbyai-companion{--skc-offset-bottom: calc(var(--gc-tap, 44px) + .7rem + 1px + env(safe-area-inset-bottom, 0px))}.gc-nav,.gc-search,.gc-app-btn,.gc-tg-btn,.gc-theme-btn{display:none}.gc-tools{margin-inline-start:auto;gap:.25rem}.gc-bar{gap:.6rem}.gc-m-search,.gc-menu-btn{display:grid;place-items:center;width:var(--gc-tap);height:var(--gc-tap);padding:0;border:0;border-radius:999px;background:none;color:var(--gc-text);cursor:pointer;--gc-icon: 22px}.gc-m-search{order:1}.gc-inbox,.gc-account{order:2}.gc-menu-btn{order:3}.gc-tools:has(.gc-account-user) .gc-menu-btn{display:none}.gc-account:not(.gc-account-user){padding:0 .6rem;background:none;color:var(--gc-text);font-weight:600;font-size:.92rem}.gc-account.gc-account-user{margin-inline-start:.25rem;background:var(--gc-surface-2);color:var(--gc-text);font-family:inherit;font-size:.85rem}.gc-tabbar{position:fixed;inset-inline:0;bottom:0;z-index:60;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:.35rem .5rem calc(.35rem + env(safe-area-inset-bottom,0px));border-top:1px solid var(--gc-border);background:var(--gc-surface-glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.gc-tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;min-height:var(--gc-tap);border-radius:10px;color:var(--gc-text-dim);font-size:.75rem;font-weight:600;text-decoration:none;--gc-icon: 20px}.gc-tabbar a[aria-current=page],.gc-tabbar a.gc-active{color:var(--gc-accent);background:color-mix(in srgb,var(--gc-accent) 12%,transparent)}.gc-lang-btn{padding:.45rem .55rem}}@media(max-width:900px)and (scripting:enabled){.gc-top .gc-lang{display:none}}@media(max-width:340px){.gc-top .gc-brand-text{display:none}}@media(min-width:901px)and (max-width:1100px){.gc-top .gc-brand-text{display:none}.gc-nav a{padding:.4rem .55rem}.gc-search{min-width:120px}.gc-search kbd,.gc-top .gc-tg-btn{display:none}.gc-search input::placeholder{color:transparent}.gc-tools{gap:.35rem}}@media(max-width:1100px){.gc-app-btn{padding:.45rem;min-width:var(--gc-tap);justify-content:center}.gc-app-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}@media(max-width:440px){.gc-tools{gap:.4rem}}@media(max-width:400px){.gc-bar{gap:.4rem;padding:0 .6rem}.gc-lang-btn{padding:.45rem .4rem;font-size:0}.gc-lang-btn .gc-flag{font-size:.95rem}.gc-theme-btn,.gc-tg-btn{padding:.45rem}}.gc-footer{max-width:var(--gc-content-max);margin:4rem auto 0;padding:2.5rem clamp(1rem,3vw,1.25rem) 2rem;border-top:1px solid var(--gc-border);color:var(--gc-text-dim);font-size:.88rem}.gc-app-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.6rem 1rem;margin-bottom:2.25rem;padding:1rem 1.25rem;border:1px solid color-mix(in srgb,var(--gc-accent-2) 40%,var(--gc-border));border-radius:16px;background:linear-gradient(135deg,color-mix(in srgb,var(--gc-accent) 10%,var(--gc-surface)),color-mix(in srgb,var(--gc-accent-2) 10%,var(--gc-surface)));color:var(--gc-text-dim);text-decoration:none;transition:border-color var(--gc-dur) var(--gc-ease)}.gc-app-card:hover{border-color:var(--gc-accent-2)}.gc-app-card-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--gc-accent-2) 16%,var(--gc-surface));color:var(--gc-accent-2);--gc-icon: 22px}.gc-app-card-text{display:flex;flex-direction:column;gap:.2rem;min-width:0}.gc-app-card-text strong{color:var(--gc-text);font-family:var(--gc-font-display);font-size:1.02rem}.gc-app-card-cta{display:inline-flex;align-items:center;gap:.35rem;color:var(--gc-accent);font-weight:700;white-space:nowrap;--gc-icon: 16px}.gc-app-card:hover .gc-app-card-cta .gc-icon{transform:translate(2px)}.gc-app-card-cta .gc-icon{transition:transform var(--gc-dur) var(--gc-ease)}@media(max-width:640px){.gc-app-card{grid-template-columns:auto 1fr;align-items:start}.gc-app-card-cta{grid-column:2}}.gc-cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:2rem}.gc-footer .gc-brand{display:inline-flex}.gc-footer .gc-brand-text{font-size:1.15rem}.gc-brand-col p{margin:.8rem 0 0;max-width:34ch}.gc-tg-link{display:inline-flex;align-items:center;gap:.5rem;min-height:var(--gc-tap);margin-top:1rem;padding:0 1rem;border:1px solid var(--gc-border);border-radius:999px;background:var(--gc-surface-2);color:var(--gc-text);font-weight:600;text-decoration:none;--gc-icon: 18px}.gc-tg-link:hover{border-color:#229ed9}.gc-social{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.gc-social a{display:inline-flex;align-items:center;justify-content:center;width:var(--gc-tap, 44px);height:var(--gc-tap, 44px);border:1px solid var(--gc-border);border-radius:999px;background:var(--gc-surface-2);color:var(--gc-text-dim);--gc-icon: 18px}.gc-social a:hover{color:var(--gc-text)}.gc-social .gc-social-youtube:hover{border-color:#f03}.gc-social .gc-social-instagram:hover{border-color:#e1306c}.gc-social .gc-social-linkedin:hover{border-color:#0a66c2}.gc-social .gc-social-facebook:hover{border-color:#1877f2}.gc-social .gc-social-telegram:hover{border-color:#229ed9}.gc-col{display:flex;flex-direction:column;gap:.1rem;min-width:0}.gc-col-title{margin:0 0 .5rem;font-family:var(--gc-font-mono);font-size:.75rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--gc-text-faint)}.gc-col a{display:block;min-height:32px;padding:.3rem 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--gc-text-dim);text-decoration:none}.gc-col a:hover{color:var(--gc-accent)}@media(pointer:coarse){.gc-col a{min-height:var(--gc-tap, 44px);padding:.65rem 0}}.gc-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--gc-border);font-size:.82rem}@media(max-width:900px){.gc-cols{grid-template-columns:1fr 1fr}.gc-brand-col{grid-column:1 / -1}}@media(max-width:520px){.gc-cols{grid-template-columns:1fr;gap:1.5rem}}@media(prefers-reduced-motion:reduce){.gc *,.gc *:before,.gc *:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.gc-consent{box-sizing:border-box;position:fixed;left:16px;bottom:max(16px,env(safe-area-inset-bottom));z-index:2147483001;width:min(420px,calc(100vw - 32px));padding:16px;border:1px solid var(--gc-border);border-radius:14px;background:var(--gc-surface);color:var(--gc-text);box-shadow:0 12px 40px #0000002e;font-family:var(--gc-font-sans, system-ui, sans-serif)}.gc-consent h2{margin:0 0 6px;font-size:1rem}.gc-consent p{margin:0;font-size:.875rem;line-height:1.5;color:var(--gc-text-dim)}.gc-consent a{color:var(--gc-accent)}.gc-consent-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:12px}.gc-consent button{min-height:var(--gc-tap, 44px);padding:0 16px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer}.gc-consent button:focus-visible{outline:2px solid var(--gc-accent-2);outline-offset:2px}.gc-consent-no{border:1px solid var(--gc-border);background:transparent;color:var(--gc-text)}.gc-consent-yes{border:0;background:var(--gc-accent);color:var(--gc-on-accent)}@media(max-width:900px){.gc-consent{bottom:calc(var(--gc-tap, 44px) + 1.1rem + env(safe-area-inset-bottom,0px))}}.gc-udemy-link{margin-top:4px}a.gc-acc-btn.gc-udemy-link{text-decoration:none;justify-content:space-between}[data-gc-tester] [data-gc-tester-ask]{display:none}