:root{
  --bg:#fff;--surface:#f6f7f9;--surface-2:#eef0f4;--text:#101114;--muted:#666b75;
  --border:#e2e5ea;--accent:#5e5ce6;--accent-soft:#efefff;--success:#18794e;
  --warning:#8a4b08;--warning-bg:#fff7e8;--danger:#b42318;
  --max:1240px;--content:820px;--radius:22px;--radius-sm:14px;
  --shadow:0 12px 34px rgba(16,17,20,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:inherit}
img{max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
.skip{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:10px 14px;border-radius:10px;z-index:999}
.skip:focus{left:8px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.topbar-inner{max-width:var(--max);margin:auto;padding:13px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;text-decoration:none;letter-spacing:-.03em}
.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--text);color:#fff;font-size:12px;letter-spacing:-.02em}
.top-actions{display:flex;align-items:center;gap:10px}
.top-link{color:var(--muted);text-decoration:none;font-size:.92rem}
.top-link:hover,.top-link:focus{color:var(--text)}
.layout{max-width:var(--max);margin:auto;display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding:34px 22px 84px}
.sidebar{position:sticky;top:82px;align-self:start;max-height:calc(100vh - 104px);overflow:auto;padding-right:10px}
.sidebar-title{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:800;margin:22px 0 7px}
.sidebar-title:first-child{margin-top:0}
.sidebar a{display:block;padding:7px 10px;margin:2px 0;border-radius:10px;color:var(--muted);text-decoration:none;font-size:.9rem}
.sidebar a:hover,.sidebar a[aria-current="page"]{background:var(--surface);color:var(--text)}
.content{min-width:0;max-width:var(--content)}
.breadcrumbs{color:var(--muted);font-size:.84rem;margin-bottom:24px}
.breadcrumbs a{text-decoration:none}
.eyebrow{font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;font-weight:850;color:var(--accent);margin:0 0 8px}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.04em}
h1{font-size:clamp(2.4rem,6vw,4.9rem);margin:0 0 18px}
h2{font-size:clamp(1.6rem,3vw,2.35rem);margin:50px 0 16px}
h3{font-size:1.22rem;margin:30px 0 10px}
p{margin:0 0 16px}
.lead{font-size:1.12rem;color:var(--muted);max-width:66ch}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 28px;color:var(--muted);font-size:.82rem}
.pill{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--surface);border:1px solid var(--border)}
.hero{padding:clamp(30px,6vw,62px);border:1px solid var(--border);border-radius:32px;background:radial-gradient(circle at 85% 10%,rgba(94,92,230,.16),transparent 30%),var(--surface)}
.hero h1{max-width:12ch}
.hero .lead{max-width:60ch}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:999px;border:1px solid var(--border);font-weight:750;text-decoration:none;background:#fff}
.btn-primary{background:var(--text);color:#fff;border-color:var(--text)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{padding:22px;border:1px solid var(--border);border-radius:var(--radius);background:#fff}
.card h3{margin-top:0}
.card p{color:var(--muted)}
.card a{text-decoration:none;font-weight:760}
.callout{padding:17px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);margin:20px 0}
.callout strong{display:block;margin-bottom:4px}
.callout-warning{background:var(--warning-bg);border-color:#f2d7a7;color:#653609}
.callout-success{background:#effaf5;border-color:#c9ebdb;color:#105c3b}
.steps{counter-reset:step;display:grid;gap:14px;margin:24px 0}
.step{position:relative;padding:20px 20px 20px 60px;border:1px solid var(--border);border-radius:18px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--text);color:#fff;font-weight:800;font-size:.82rem}
.step h3{margin:0 0 5px}
code{padding:.12em .35em;border-radius:6px;background:var(--surface-2);font:0.9em ui-monospace,SFMono-Regular,Consolas,monospace}
pre{overflow:auto;padding:16px;border-radius:16px;background:#111318;color:#f6f7f9;font-size:.86rem}
table{width:100%;border-collapse:separate;border-spacing:0;margin:18px 0;border:1px solid var(--border);border-radius:16px;overflow:hidden;font-size:.9rem}
th,td{text-align:left;vertical-align:top;padding:11px 12px;border-bottom:1px solid var(--border)}
th{background:var(--surface);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.table-wrap{overflow-x:auto}
details{border:1px solid var(--border);border-radius:16px;padding:0 16px;margin:10px 0;background:#fff}
summary{cursor:pointer;font-weight:780;padding:15px 0}
details>div{padding:0 0 16px}
.kbd{display:inline-block;border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:0 5px;background:#fff;font-size:.8em}
.search-box{position:relative;margin:18px 0 28px}
.search-box input{width:100%;min-height:48px;padding:0 15px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--text)}
.search-results{display:none;position:absolute;left:0;right:0;top:54px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:7px;z-index:20}
.search-results.is-open{display:block}
.search-results a{display:block;padding:9px 10px;border-radius:9px;text-decoration:none}
.search-results a:hover{background:var(--surface)}
.footer{border-top:1px solid var(--border);color:var(--muted)}
.footer-inner{max-width:var(--max);margin:auto;padding:28px 22px 46px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.mobile-menu{display:none}
.support-form label{display:block;font-weight:720;margin:15px 0 6px}
.support-form input,.support-form select,.support-form textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:11px 12px;background:#fff;color:var(--text)}
.support-form textarea{min-height:170px;resize:vertical}
.support-form input[type=file]{padding:9px}
.support-form button{min-height:44px;margin-top:18px;padding:0 18px;border:0;border-radius:999px;background:var(--text);color:#fff;font-weight:780}
.support-form button:disabled{opacity:.45;cursor:not-allowed}
.hub{max-width:1100px;margin:auto;padding:70px 22px 90px}
.hub-head{margin-bottom:40px}
.hub h1{max-width:13ch}
.theme-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:18px;padding:28px;border:1px solid var(--border);border-radius:28px;background:var(--surface)}
.theme-art{min-height:220px;border-radius:22px;background:radial-gradient(circle at 70% 25%,rgba(94,92,230,.32),transparent 26%),linear-gradient(135deg,#f8f8fb,#ececf5);display:grid;place-items:center}
.theme-art span{font-size:clamp(3rem,8vw,6rem);font-weight:900;letter-spacing:-.07em}
.ref-section{scroll-margin-top:95px}
.small{font-size:.86rem;color:var(--muted)}
ul,ol{padding-left:1.35rem}
li{margin:.32rem 0}
hr{border:0;border-top:1px solid var(--border);margin:44px 0}
@media (max-width:920px){
  .layout{grid-template-columns:1fr;gap:0}
  .sidebar{display:none;position:static;max-height:none;padding:12px 0 0}
  .sidebar.is-open{display:block}
  .mobile-menu{display:inline-flex;min-height:40px;align-items:center;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:#fff}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:680px){
  .topbar-inner{padding:11px 15px}
  .top-link.hide-mobile{display:none}
  .layout{padding:24px 15px 64px}
  .grid{grid-template-columns:1fr}
  .hero{padding:25px;border-radius:24px}
  .theme-card{grid-template-columns:1fr}
  h1{font-size:clamp(2.2rem,13vw,3.9rem)}
  table{font-size:.84rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.support-honeypot{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  overflow:hidden!important;
  clip:rect(1px,1px,1px,1px)!important;
  white-space:nowrap!important;
}
.support-consent{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:10px;
  align-items:start;
  margin-top:16px;
}
.support-consent input{
  width:auto;
  margin:4px 0 0;
}
.support-consent label{
  margin:0;
  font-weight:500;
}
.support-status{
  min-height:1.5em;
  margin-top:12px;
  color:var(--muted);
}
.support-status.is-success{color:var(--success)}
.support-status.is-error{color:var(--danger)}
.support-form button[aria-busy="true"]{cursor:progress;opacity:.7}