@layer reset,base,layout,components,responsive;
@layer reset{*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:102px}body,h1,h2,h3,h4,p{margin:0}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}img,video{max-width:100%}button{color:inherit}svg{flex-shrink:0}button:disabled{cursor:default}}
@layer base{:root{--bg:#fff;--ink:#20232b;--muted:#6b707c;--soft:#969aa4;--line:#e9eaee;--purple:#6b46c1;--purple-dark:#503190;--tint:#f5f1fc;--surface:#f8f9fb;--sidebar:262px;--header:72px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}::selection{background:#e5d9fb}h1,h2,h3{font-weight:650;line-height:1.23;letter-spacing:-.035em}h1{font-size:40px;max-width:780px}h2{font-size:23px}h3{font-size:17px}p{color:#555c68}a:focus-visible,button:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid #b59bdd;outline-offset:4px;border-radius:5px}input:focus-visible{outline:2px solid #ab8ed6;outline-offset:2px}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;z-index:100;left:20px;top:-70px;background:#fff;border:2px solid var(--purple);padding:10px 18px;border-radius:8px}.skip-link:focus{top:10px}.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}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.045em;color:var(--purple);margin-bottom:15px}.text-link{color:var(--purple);text-decoration:underline;text-underline-offset:3px}.muted{color:var(--muted)}.count{font-size:11px;border-radius:5px;padding:1px 5px;background:#f0f1f4;color:var(--muted);margin-left:7px;font-variant-numeric:tabular-nums}}
@layer layout{.topbar{position:fixed;top:0;left:0;right:0;height:var(--header);z-index:30;display:flex;align-items:center;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);backdrop-filter:blur(12px);padding:0 30px;gap:30px}.brand{display:flex;align-items:center;gap:11px;min-width:202px;line-height:1.15}.brand-logo{display:block;width:156px;height:auto;object-fit:contain}.topnav{display:flex;align-items:center;gap:23px;align-self:stretch;font-size:13px}.topnav a{display:flex;align-items:center;gap:5px;border-bottom:2px solid transparent;padding-top:2px;color:var(--muted)}.topnav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--purple);font-weight:600}.search-open{margin-left:auto;display:flex;align-items:center;gap:9px;width:275px;border:1px solid #e4e5eb;background:#fafbfc;color:#687280;border-radius:8px;padding:8px 11px;font-size:12px;text-align:left;transition:border .15s}.search-open:hover{border-color:#b6a0d3}.search-open .icon{width:16px;height:16px}.search-open kbd{margin-left:auto;font:10px inherit;background:white;border:1px solid #e5e6eb;border-radius:4px;padding:0 5px;color:#8a8d98}.external-link{display:flex;gap:6px;align-items:center;font-size:12px;font-weight:550;color:#636873}.external-link .icon{width:13px;height:13px}.sidebar{position:fixed;top:var(--header);left:0;bottom:0;width:var(--sidebar);border-right:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;padding:25px 17px 28px 21px;background:#fdfdfd;scrollbar-width:thin;scrollbar-color:#dcdde5 transparent;z-index:25}.side-home{display:flex;align-items:center;gap:10px;font-size:13px;border-radius:6px;padding:8px 10px;color:#69707b;margin-bottom:5px}.side-home .icon{width:17px;height:17px}.side-home.active{background:var(--tint);color:var(--purple);font-weight:600}.side-label{font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:#6c7582;margin:24px 10px 12px;font-weight:600}.nav-group{margin-bottom:10px}.nav-group summary{list-style:none;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:650;padding:8px 10px;cursor:pointer;color:#3f4652;user-select:none}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary>.icon{width:15px;height:15px;color:#8a8f9b}.nav-group summary .chevron{margin-left:auto;transition:transform .15s}.nav-group[open] summary .chevron{transform:rotate(90deg)}.nav-items{margin:3px 0 4px 17px;padding-left:9px;border-left:1px solid #e6e5ed;display:flex;flex-direction:column;gap:3px}.nav-item{font-size:12px;line-height:1.45;color:#747a85;padding:7px 9px;border-radius:5px;display:flex;gap:8px;align-items:center}.nav-item:hover{color:var(--purple);background:#faf8fe}.nav-item.active{color:var(--purple);background:var(--tint);font-weight:600}.nav-video-dot{margin-left:auto;color:#b7aec7;display:flex}.nav-video-dot .icon{width:12px;height:12px;stroke-width:1.7}.sidebar-foot{border-top:1px solid var(--line);margin:24px 10px 0;padding-top:15px;color:#979ba5;font-size:11px}.layout{margin-left:var(--sidebar);padding-top:var(--header);display:grid;grid-template-columns:minmax(0,1fr) 188px;max-width:1600px}.main{min-width:0;padding:42px 46px 72px;max-width:1000px;outline:none}.page-toc{position:sticky;top:calc(var(--header) + 36px);align-self:start;padding:0 22px 0 0;margin-top:42px;font-size:11px;line-height:1.6;color:#9296a0}.page-toc p{font-size:11px;color:#626976;font-weight:600;margin-bottom:13px}.page-toc a{display:block;padding:6px 0 6px 13px;border-left:1px solid var(--line)}.page-toc a:hover,.page-toc a.active{color:var(--purple);border-left-color:var(--purple)}.page-toc .toc-extra{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.page-toc .toc-extra a{border:0;padding-left:0;display:flex;align-items:center;gap:7px}.page-toc .icon{width:13px;height:13px}.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:11px;color:#6c7582;margin-bottom:22px}.breadcrumbs .icon{width:11px;height:11px}.breadcrumbs a:hover{color:var(--purple)}.article-head{padding-bottom:25px;border-bottom:1px solid var(--line);margin-bottom:27px}.lead{font-size:16px;line-height:1.75;color:#757b87;max-width:650px;margin-top:18px}.article-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:11px;color:#6b7481}.article-actions a{display:flex;gap:6px;align-items:center;color:var(--purple);font-weight:550}.article-actions .icon{width:14px;height:14px}.copy-link{margin-left:auto;font-size:11px;display:flex;align-items:center;gap:6px;border:0;background:transparent;padding:4px;color:#858b97}.doc-section{margin-top:37px;scroll-margin-top:20px}.doc-section>h2{margin-bottom:18px;display:flex;align-items:center;gap:8px}.heading-anchor{opacity:0;color:#a998c2;font-size:18px;font-weight:400}.doc-section h2:hover .heading-anchor,.heading-anchor:focus-visible{opacity:1}.doc-section>p{font-size:14px;line-height:1.8;margin:14px 0}.article-bottom{margin-top:38px;border-top:1px solid var(--line);padding-top:20px;font-size:11px;color:#6c7582;display:flex;justify-content:space-between;gap:15px}.article-bottom a{color:var(--purple)}.page-nav{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:30px}.page-nav a{border:1px solid var(--line);border-radius:9px;padding:16px 18px;transition:border .15s;display:block}.page-nav a:hover{border-color:#c3afdf}.page-nav small{font-size:10px;color:#6c7582;display:block;margin-bottom:5px}.page-nav span{font-size:12px;font-weight:550}.page-nav .next{text-align:right}.mobile-menu,.menu-close,.menu-scrim{display:none}}
@layer components{.hero{padding:9px 0 29px}.hero h1{font-size:44px;line-height:1.14;letter-spacing:-.045em}.hero .lead{max-width:610px;font-size:15px}.hero-links{display:flex;align-items:center;gap:12px;margin-top:25px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:12px;font-weight:550;border:1px solid #dedfe6;border-radius:7px;padding:9px 14px;background:white;color:#555e6c}.button .icon{width:15px;height:15px}.button.primary{background:var(--purple);border-color:var(--purple);color:white;box-shadow:0 2px 3px #6543a91a}.button:hover{border-color:#b5a1d1}.button.primary:hover{background:var(--purple-dark)}.start-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:10px;overflow:hidden;background:linear-gradient(115deg,#faf8fe,#fff);margin-top:10px}.start-strip a{padding:20px 18px;border-right:1px solid var(--line)}.start-strip a:last-child{border:0}.start-strip a:hover{background:#f3eefb}.step-index{color:#a88dce;font-size:10px;font-weight:650;letter-spacing:.05em}.start-strip h3{font-size:13px;letter-spacing:-.01em;margin:9px 0 7px;display:flex;align-items:center;justify-content:space-between;gap:5px}.start-strip h3 .icon{width:13px;height:13px;color:#9884b3}.start-strip p{font-size:11px;line-height:1.7;color:#687280}.section-intro{font-size:13px;color:#687280;margin-top:-8px;margin-bottom:21px}.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.category-card{border:1px solid var(--line);border-radius:9px;padding:19px 20px;background:white;transition:border .15s,box-shadow .15s;scroll-margin-top:20px}.category-card:hover{border-color:#cbbbdc;box-shadow:0 2px 8px #4c246005}.category-card .category-icon{display:flex;align-items:center;gap:10px;margin-bottom:13px;color:var(--purple)}.category-card .category-icon>.icon{width:20px;height:20px}.category-card .category-icon span{margin-left:auto;color:#727986;font-size:10px}.category-card h3{font-size:14px;margin:0 0 6px;letter-spacing:-.015em}.category-card p{font-size:12px;color:#687280;line-height:1.7}.category-card .card-links{display:flex;flex-direction:column;gap:4px;margin-top:14px;padding-top:11px;border-top:1px solid #f0eef4}.card-links a{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#646d7c;padding:3px 0}.card-links a:hover{color:var(--purple)}.card-links .icon{width:12px;height:12px;color:#b2a5c3}.watch-banner{border:1px solid #e6dff0;border-radius:10px;padding:23px;display:flex;gap:18px;align-items:center;background:linear-gradient(110deg,#f8f4ff,#fdfcfe)}.watch-banner>.icon{width:30px;height:30px;color:var(--purple)}.watch-banner h3{font-size:15px;margin-bottom:7px}.watch-banner p{font-size:12px;color:#818593}.watch-banner .button{margin-left:auto;white-space:nowrap}.location{border:1px solid var(--line);border-radius:8px;display:flex;gap:13px;padding:14px 17px;background:#fafbfc;font-size:12px;align-items:center}.location>.icon{color:#9991a8;width:18px;height:18px}.location strong{display:block;font-size:10px;color:#959aa3;letter-spacing:.02em;font-weight:500;margin-bottom:2px}.location span{font-size:12px;color:#626a78;line-height:1.6}.before-list{list-style:none;padding:0;margin:0;font-size:13px;color:#656d7b}.before-list li{padding:5px 0 5px 21px;position:relative}.before-list li:before{content:'✓';color:var(--purple);position:absolute;left:0;top:5px;font-size:12px}.callout{display:flex;gap:12px;border:1px solid #e8e1f2;border-radius:8px;background:#faf7ff;padding:15px 17px;margin:23px 0;font-size:12px;line-height:1.8}.callout>.icon{width:17px;height:17px;color:#8b70b6;margin-top:2px}.callout strong{display:block;color:#695487;font-size:12px;margin-bottom:4px;font-weight:600}.callout p{color:#7c708b;font-size:12px}.callout.warning{border-color:#efdfbd;background:#fffaf0}.callout.warning>.icon,.callout.warning strong{color:#ad812c}.callout.warning p{color:#8c7958}.callout.subtle{border-color:var(--line);background:#fafbfc}.callout.subtle>.icon,.callout.subtle strong{color:#727986}.callout.subtle p{color:#667180}.steps{padding:0;margin:0;list-style:none}.step{position:relative;padding:0 0 29px 43px;min-height:71px}.step:before{content:'';position:absolute;left:13px;top:29px;width:1px;bottom:5px;background:var(--line)}.step:last-child:before{display:none}.step:last-child{padding-bottom:0}.step-number{position:absolute;top:0;left:0;width:27px;height:27px;border:1px solid #e1d8ee;background:#faf7fe;border-radius:50%;color:#957cb6;display:grid;place-items:center;font-size:11px;font-weight:550}.step h3{font-size:14px;font-weight:600;letter-spacing:-.01em;line-height:1.7;margin-bottom:6px;padding-top:1px}.step p{font-size:13px;color:#657080;line-height:1.85}.example{border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:12px}.example-title{padding:13px 16px;font-weight:550;background:#fafbfc;border-bottom:1px solid var(--line)}.example table{width:100%;border-collapse:collapse;line-height:1.7}.example td{padding:10px 16px;border-bottom:1px solid #f0f1f4;color:#747b88}.example td:first-child{color:#505968}.example td:nth-child(2){color:#727986;font-size:11px}.example td:last-child{font-variant-numeric:tabular-nums;text-align:right;color:#5b4879}.example p{padding:13px 16px;font-size:11px;color:#687280;background:#fcfcfd}.video-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fafbfc}.video-card video{display:block;width:100%;max-height:560px;background:#141120;aspect-ratio:1.55;object-fit:contain}video::cue{font-size:18px}.video-footer{display:flex;align-items:center;gap:13px;font-size:11px;padding:12px 15px;color:#687280}.video-footer a{color:#8970ac;margin-left:auto;display:flex;align-items:center;gap:6px}.video-footer a .icon{width:13px;height:13px}.video-footer a+a{margin-left:0}.transcript{margin-top:12px;border:1px solid var(--line);border-radius:7px}.transcript summary{cursor:pointer;font-size:12px;color:#808794;padding:10px 14px}.transcript p{font-size:12px;line-height:1.9;padding:4px 16px 16px;color:#687280}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;font-size:13px;font-weight:550;padding:17px 24px 17px 0;position:relative;color:#606977}.faq summary:after{content:'+';position:absolute;right:2px;font-size:18px;font-weight:400;color:#a1a7b1}.faq details[open] summary:after{content:'−'}.faq details p{font-size:13px;line-height:1.8;color:#687280;padding:0 25px 17px 0}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.related-grid a{border:1px solid var(--line);border-radius:7px;font-size:12px;padding:13px 14px;color:#737c8b;display:flex;gap:8px;align-items:center}.related-grid a:hover{border-color:#c6b3dd;color:var(--purple)}.related-grid a .icon{margin-left:auto;width:14px;height:14px;color:#aa9abb}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.concept{border:1px solid var(--line);border-radius:9px;padding:20px}.concept h3{font-size:15px;margin:12px 0 9px}.concept>.icon{color:#9677bc}.concept p{font-size:12px;line-height:1.85;color:#667180}.concept a{display:inline-block;color:var(--purple);font-size:11px;margin-top:12px}.library-filter{display:flex;gap:7px;flex-wrap:wrap;margin:24px 0 27px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 10px;font-size:11px;color:#89909b}.filter-chip[aria-pressed=true]{background:var(--tint);border-color:#e4d8f5;color:var(--purple)}.videos-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 17px}.video-tile{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;transition:border .15s}.video-tile:hover{border-color:#baa5d7}.video-tile[hidden]{display:none}.video-poster{position:relative;aspect-ratio:16/10;overflow:hidden;background:#211b30}.video-poster img{width:100%;height:100%;object-fit:cover;display:block}.play-bubble{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:38px;height:38px;border:1px solid #ffffff60;border-radius:50%;background:#ffffffed;color:#634099;display:grid;place-items:center}.play-bubble>.icon{width:16px;height:16px}.duration{position:absolute;right:10px;bottom:10px;font-size:10px;background:#100c20ad;color:#fff;padding:2px 6px;border-radius:4px}.video-tile-body{padding:16px}.video-tile-body small{display:block;color:#85639f;font-size:10px;margin-bottom:6px}.video-tile-body h2{font-size:14px;line-height:1.45;letter-spacing:-.015em}.video-tile-body p{font-size:11px;color:#687280;line-height:1.7;margin-top:8px}.search-dialog{border:1px solid #e5e1ed;border-radius:13px;padding:0;width:min(650px,calc(100vw - 32px));max-height:75vh;margin:12vh auto 0;box-shadow:0 25px 90px #1c15332e;color:var(--ink)}.search-dialog::backdrop{background:#15112550;backdrop-filter:blur(3px)}.search-box{display:flex;gap:12px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}.search-box .icon{color:#9d8bb6;width:20px;height:20px}.search-box input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px;color:#454d5c}.search-box button{border:1px solid #e8e8ee;border-radius:4px;background:#fafbfc;font-size:10px;padding:2px 6px;color:#9b9eaa}.search-caption{font-size:11px;color:#727986;padding:13px 20px 6px}.search-results{list-style:none;padding:7px 10px 13px;margin:0;max-height:47vh;overflow-y:auto}.search-result a{display:block;border-radius:7px;padding:12px 13px}.search-result a:hover,.search-result a.selected{background:var(--tint)}.search-result small{display:block;font-size:10px;color:#85639f;margin-bottom:3px}.search-result strong{display:block;font-size:13px;font-weight:550;color:#586172}.search-result p{font-size:11px;line-height:1.7;color:#687280;margin-top:5px}.search-results mark{background:#e9dcfa;color:#5f3c91;border-radius:2px}.search-empty{padding:28px 20px;text-align:center;color:#9b9fac;font-size:13px}.search-hints{border-top:1px solid var(--line);padding:9px 18px;font-size:10px;color:#727986;display:flex;gap:15px;background:#fafbfc}.search-hints kbd{font:10px inherit;color:#7a8190}.no-video{padding:18px;border:1px dashed #dddde6;border-radius:8px;font-size:12px;color:#979da8}.no-video strong{color:#818997;font-weight:550;display:block;margin-bottom:3px}.noscript{margin:90px 20px 10px;font-size:12px;color:#7d6b94}}
@layer responsive{@media(min-width:1600px){.layout{margin-right:auto}.main{padding-left:65px;padding-right:65px}.topbar{padding-right:45px}}@media(max-width:1200px){.layout{grid-template-columns:minmax(0,1fr)}.page-toc{display:none}.main{max-width:880px;padding-left:40px;padding-right:40px}.topbar{gap:20px;padding:0 24px}.external-link{display:none}.search-open{width:240px}}@media(max-width:950px){:root{--sidebar:238px}.main{padding-left:30px;padding-right:30px}h1{font-size:34px}.hero h1{font-size:39px}.brand{min-width:188px}.topnav{gap:16px}.search-open{width:195px}.search-open kbd{display:none}.watch-banner{flex-wrap:wrap}.watch-banner .button{margin-left:48px}.category-card{padding:17px}.start-strip a{padding:17px 13px}.example td{padding:9px 10px}}@media(max-width:780px){:root{--header:64px}.topbar{padding:0 17px;gap:14px}.brand{min-width:0}.brand-logo{width:126px}.mobile-menu{display:flex;align-items:center;justify-content:center;background:none;border:0;padding:5px;color:#8e839e}.mobile-menu .icon{width:20px;height:20px}.topnav{margin-left:auto;gap:17px;font-size:11px}.topnav .count{display:none}.search-open{width:30px;padding:6px;justify-content:center;margin-left:0;background:none;border:none}.search-open span{display:none}.sidebar{visibility:hidden;transform:translateX(-100%);transition:transform .2s;width:280px;z-index:40;top:0;padding-top:21px;box-shadow:8px 0 40px #30243f16}.menu-open .sidebar{visibility:visible;transform:translateX(0)}.menu-close{display:flex;border:0;background:none;margin:0 3px 15px auto;padding:5px;color:#8e839e}.menu-scrim{display:none;position:fixed;inset:0;background:#15112540;border:0;z-index:35}.menu-open .menu-scrim{display:block}.layout{margin-left:0}.main{max-width:760px;margin:0 auto;padding:28px 24px 55px;width:100%}.hero{padding-top:2px}.hero h1{font-size:38px}.hero .lead{font-size:14px}.breadcrumbs{margin-bottom:20px}.article-head{margin-bottom:22px}.article-head h1{font-size:32px}.lead{font-size:14px}.doc-section{margin-top:32px}.doc-section>h2{font-size:21px}.page-nav{gap:10px}.page-nav a{padding:13px}.search-dialog{margin-top:9vh}.video-card video{max-height:480px}}@media(max-width:480px){.topbar{gap:10px}.brand-logo{width:115px}.brand{gap:7px}.topnav{gap:12px}.main{padding:26px 20px 45px}.hero h1{font-size:34px}.hero .lead{font-size:14px}.hero-links{gap:9px}.button{font-size:11px;padding:8px 12px}.start-strip{grid-template-columns:1fr}.start-strip a{border-right:0;border-bottom:1px solid var(--line);padding:15px 17px}.start-strip h3{margin:4px 0}.start-strip p{font-size:11px}.category-grid,.concept-grid,.videos-grid{grid-template-columns:1fr}.category-card{padding:18px}.related-grid{grid-template-columns:1fr}.article-head h1{font-size:30px}.copy-link{margin-left:0}.article-actions{gap:13px}.step{padding-left:38px}.example td:nth-child(2){display:none}.video-footer{gap:9px;flex-wrap:wrap}.video-footer a{margin-left:0}.article-bottom{display:block}.article-bottom a{display:inline-block;margin-top:8px}.watch-banner{padding:18px;gap:13px}.watch-banner>div{flex:1}.watch-banner .button{margin-left:43px}.page-nav span{font-size:11px}.page-nav{gap:8px}.search-box{padding:15px}.search-box input{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.topbar,.sidebar,.page-toc,.page-nav,.copy-link,.hero-links,.search-dialog,.video-card,nav,.video-footer{display:none!important}.layout{margin:0;padding:0;display:block}.main{max-width:none;padding:20px}.article-head{margin-top:0}.step{break-inside:avoid}.doc-section{break-inside:auto}a{color:inherit}.transcript{display:none}}}

/* Casa identity and the first-project learning path. */
.reference-list{padding-left:22px;color:#555c68}.reference-list li+li{margin-top:9px}
.code-example{margin:18px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#f7faf8}
.code-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 16px;border-bottom:1px solid var(--line);font-size:12px}
.code-heading button{flex-shrink:0;border:1px solid #bccfc2;border-radius:5px;background:#fff;padding:4px 10px;color:#086148;font-size:12px}
.code-example pre{margin:0;padding:18px 16px;overflow-x:auto;max-width:100%;font:12px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;color:#20372f;tab-size:2}
.code-example code{font:inherit}.code-example pre:focus-visible{outline:2px solid #659e7a;outline-offset:-3px}
.copy-status:not(:empty){display:block;padding:0 16px 10px;color:#086148;font-size:12px}
.client-picker{margin-top:22px;min-width:0}
.client-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-bottom:18px;scroll-margin-top:100px}
.client-tabs[hidden],.client-panel[hidden]{display:none}
.client-tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:116px;padding:17px 8px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:background .15s,border-color .15s}
.client-tabs button:hover{background:#f7faf8;border-color:#a8beb0}
.client-tabs button[aria-selected=true]{border-color:#086148;box-shadow:inset 0 0 0 1px #086148;background:#edf6f1}
.client-tabs img{display:block;width:30px;height:30px;object-fit:contain;margin-bottom:3px}
.client-name{font-size:14px;font-weight:650;line-height:1.2;color:#20372f}
.client-product{font-size:11px;line-height:1.2;color:#62746b}
.client-panel{padding:25px;border:1px solid var(--line);border-radius:12px;scroll-margin-top:100px}
.client-panel>h3{font-size:20px;margin-bottom:14px}
.client-panel p{font-size:14px;line-height:1.8;margin-top:14px}
.client-panel .code-example:last-child{margin-bottom:0}
.assistant-setup .code-heading{flex-wrap:wrap;gap:10px}
.assistant-setup-body{padding:0 16px 14px}
.assistant-setup details{margin-top:10px;font-size:13px}
.assistant-setup summary{cursor:pointer;color:#086148}
.assistant-setup details p{overflow-wrap:anywhere}
.assistant-setup .assistant-setup-links{font-size:12px;margin-top:10px}
.reference-details{border:1px solid var(--line);border-radius:9px;padding:0 18px;margin:18px 0;scroll-margin-top:100px}
.reference-details summary{padding:14px 0;cursor:pointer;font-size:14px;font-weight:600;color:#20372f}
.reference-details>div{padding:0 0 18px}.reference-details p+p{margin-top:12px}
.client-panel .reference-details{background:#fafbf9;margin-bottom:0}
@media(max-width:600px){.client-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.client-tabs button{min-height:102px;padding:13px 8px}.client-panel{padding:18px 15px}.client-panel .code-example pre{font-size:11px;padding:14px 12px}}
:root{--purple:#086148;--purple-dark:#064c39;--tint:#edf6f1;--ink:#20372f;--muted:#62746b;--line:#e2e9e4}
::selection{background:#d9eddf}
.casa-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:#086148;color:white;font-size:25px;font-weight:650;letter-spacing:-.06em;line-height:1;padding-bottom:4px}
.brand strong{font-size:18px;white-space:nowrap}.brand-subtitle{display:block;font-size:11px;font-weight:500;letter-spacing:.035em;margin-top:3px;color:#65766d}
.preview-note{padding:10px 13px;border:1px solid #e0e7e1;background:#f7f8f4;border-radius:7px;color:#657166;font-size:11px;margin:0 0 25px}
.hero{padding:10px 0 28px}.hero h1{max-width:680px}.hero .lead{max-width:600px}
.learning-path{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:5px 0 40px}
.learning-path span{padding:17px 10px 17px 0;font-size:12px;color:#486455}.learning-path b{display:block;font-size:11px;letter-spacing:.08em;color:#8c9d91;margin-bottom:4px}
.category-card:hover{border-color:#96b7a3}.nav-item:hover{background:#f2f7f4;color:#086148}.nav-item.active{background:#edf6f1;color:#086148}
a:focus-visible,button:focus-visible,summary:focus-visible,video:focus-visible{outline-color:#659e7a}.search-results mark{background:#d9eddf;color:#164f38}
.guide-screenshot{margin:30px 0;border:1px solid var(--line);border-radius:10px;background:#f7f9f6;overflow:hidden}.guide-screenshot img{display:block;width:100%;height:auto}.guide-screenshot figcaption{font-size:11px;line-height:1.6;color:#67766c;padding:13px 16px}
@media(max-width:480px){.brand strong{font-size:15px}.brand-subtitle{font-size:9px}.casa-mark{width:29px;height:29px;font-size:22px}.topnav{gap:8px;font-size:10px}.learning-path{grid-template-columns:1fr}.learning-path span{padding:12px 0;border-bottom:1px solid var(--line)}.learning-path span:last-child{border:0}.learning-path b{display:inline;margin-right:10px}.hero h1{font-size:32px}}