:root{
    --bg:#0a0d18; --bg2:#0d1122; --panel:#12172b; --panel2:#151b32;
    --line:#232b47; --line2:#2c3660; --text:#c9d2ea; --head:#f2f5ff; --muted:#8290b4;
    --mint:#7cf5c4; --coral:#ff5d73; --violet:#c792ea; --blue:#82aaff; --amber:#f6c177;
    --c-bg:#0b0f20; --c-comment:#5b6788; --c-key:#ff7eb6; --c-type:#7cf5c4;
    --c-str:#f6c177; --c-num:#a6b8ff; --c-annot:#c792ea; --c-fn:#82aaff; --c-punc:#9aa6cc; --c-arg:#f6c177;
    --radius:14px; --max:1120px; --hdr:60px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{margin:0;overflow-x:hidden;background:
      radial-gradient(900px 500px at 82% -8%, rgba(124,245,196,.07), transparent 60%),
      var(--bg);color:var(--text);
    font-family:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  code,pre,.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

  /* ---- nav (mobile-first: hamburger) ---- */
  header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
    background:rgba(10,13,24,.92);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;gap:12px;min-height:var(--hdr)}
  .brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--head);font-size:17px}
  .logo{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex:none;
    background:linear-gradient(135deg,var(--mint),#3fd7a6);color:#06231a;font-weight:700;font-size:15px}
  .nav-toggle{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);
    color:var(--head);font-size:20px;cursor:pointer;line-height:1}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(10,13,24,.98);border-bottom:1px solid var(--line);padding:4px 16px 10px;
    box-shadow:0 20px 40px -24px rgba(0,0,0,.8)}
  header.nav.open .nav-links{display:flex}
  .nav-links a{color:var(--text);font-size:16px;font-weight:500;padding:14px 4px;border-top:1px solid var(--line)}
  .nav-links a:first-child{border-top:none}
  .nav-links a:active{color:var(--mint)}
  .nav-links .nav-cta{background:none;text-align:left;color:var(--text)!important}

  /* code token colors + snippet links */
  pre{margin:12px 0 0;padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;font-size:12.5px;line-height:1.7;tab-size:2;
    max-width:100%;background:var(--c-bg);border:1px solid var(--line);border-radius:12px}
  pre::-webkit-scrollbar{height:8px}
  pre::-webkit-scrollbar-thumb{background:var(--line2);border-radius:6px}
  .t-com{color:var(--c-comment);font-style:italic}
  .t-key{color:var(--c-key)}.t-type{color:var(--c-type)}.t-str{color:var(--c-str)}
  .t-num{color:var(--c-num)}.t-annot{color:var(--c-annot)}.t-fn{color:var(--c-fn)}
  .t-punc{color:var(--c-punc)}.t-arg{color:var(--c-arg)}
  a.tok{border-radius:3px;transition:background .12s,outline-color .12s}
  a.tok:hover{background:rgba(124,245,196,.15);outline:1px solid rgba(124,245,196,.4)}

  /* ---- item page ---- */
  main.item{padding:22px 16px 72px;max-width:var(--max);margin:0 auto}
  .crumbs{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.7}
  .crumbs a:active,.crumbs a:hover{color:var(--mint)}
  .crumbs span{opacity:.6;margin:0 2px}
  .crumbs .here{color:var(--text);opacity:1}
  .item-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;scroll-margin-top:calc(var(--hdr) + 16px)}
  .item-head h1{margin:0;font-size:clamp(24px,7vw,38px);color:var(--head);letter-spacing:-.5px;
    font-family:"JetBrains Mono",monospace;font-weight:700;overflow-wrap:anywhere;min-width:0}
  .kind-badge{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;
    padding:4px 9px;border-radius:7px;border:1px solid var(--line2);color:var(--muted);background:var(--panel)}
  .kind-keyword{color:var(--c-key);border-color:rgba(255,126,182,.4)}
  .kind-type{color:var(--c-type);border-color:rgba(124,245,196,.4)}
  .kind-phase{color:var(--blue);border-color:rgba(130,170,255,.4)}
  .kind-method,.kind-builtin{color:var(--c-fn);border-color:rgba(130,170,255,.4)}
  .kind-annotation{color:var(--c-annot);border-color:rgba(199,146,234,.4)}
  .kind-namespace{color:var(--amber);border-color:rgba(246,193,119,.4)}
  .kind-operator{color:var(--muted)}
  .sig{display:block;margin:16px 0 4px;color:var(--c-fn);background:var(--c-bg);
    border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:13.5px;
    overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .desc{margin-top:14px}
  .desc p{margin:0 0 12px;font-size:15.5px;color:var(--text);max-width:720px}
  .desc code{color:var(--amber);background:var(--panel);padding:1px 5px;border-radius:5px;font-size:13px;overflow-wrap:anywhere}
  .desc b{color:var(--head)}

  .params,.examples,.related{margin-top:28px}
  .params h2,.examples h2,.related h2{font-size:14px;text-transform:uppercase;letter-spacing:1.5px;
    color:var(--muted);font-weight:600;margin:0 0 12px}
  .param{display:flex;flex-direction:column;gap:4px;padding:11px 13px;border:1px solid var(--line);
    border-radius:10px;background:var(--panel);margin-bottom:8px;scroll-margin-top:calc(var(--hdr) + 16px)}
  .param .pname{color:var(--c-arg);font-size:13.5px;flex:none}
  .param .pdesc{color:var(--text);font-size:14.5px}
  .param code{color:var(--amber);background:var(--c-bg);padding:1px 5px;border-radius:5px;font-size:12.5px}
  .rel-row{display:flex;flex-wrap:wrap;gap:8px}
  a.rel{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--text);background:var(--panel);
    border:1px solid var(--line);border-radius:9px;padding:8px 12px}
  a.rel:active,a.rel:hover{border-color:var(--mint);color:var(--mint)}
  a.back{display:inline-block;margin-top:30px;color:var(--muted);font-size:14px}
  a.back:active,a.back:hover{color:var(--mint)}

  /* namespace overview */
  .ns-blurb{color:var(--muted);font-size:15.5px;max-width:720px;margin:14px 0 22px}
  .ns-blurb code{color:var(--mint);background:rgba(124,245,196,.08);padding:1px 5px;border-radius:5px;font-size:13px}
  .ns-methods{display:flex;flex-direction:column;gap:8px}
  a.ns-method{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border:1px solid var(--line);
    border-radius:11px;background:var(--panel);transition:border-color .14s}
  a.ns-method:active,a.ns-method:hover{border-color:var(--mint)}
  .nm-sig{color:var(--c-fn);font-size:13px;overflow-wrap:anywhere}
  .nm-tip{color:var(--muted);font-size:13.5px}

  /* swatches (Color page) */
  .swatch-group{margin-bottom:20px}
  .swatch-group h3{margin:0 0 12px;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
  .swatch-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
  .swatch{display:flex;align-items:center;gap:9px;background:var(--panel);border:1px solid var(--line);
    border-radius:9px;padding:8px 10px;min-width:0;scroll-margin-top:calc(var(--hdr) + 16px)}
  .chip{width:22px;height:22px;border-radius:6px;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
  .cname{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--head);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
  .chex{margin-left:auto;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted);flex:none}

  /* ---- api index + search ---- */
  main.ref{padding:24px 16px 72px;max-width:var(--max);margin:0 auto}
  .ref-intro{margin-bottom:26px}
  .ref-intro .kicker{font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--mint);margin-bottom:10px}
  .ref-intro h1{font-size:clamp(28px,8vw,46px);margin:0 0 12px;color:var(--head);letter-spacing:-1px}
  .ref-intro p{font-size:15.5px;color:var(--muted);max-width:720px;margin:0 0 18px}
  .search{width:100%;max-width:560px;font-family:"JetBrains Mono",monospace;font-size:16px;color:var(--head);
    background:var(--panel);border:1px solid var(--line2);border-radius:11px;padding:13px 15px;outline:none}
  .search:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(124,245,196,.12)}
  .noresults{color:var(--muted);margin-top:16px}
  .idx-sec{margin-top:34px;scroll-margin-top:calc(var(--hdr) + 16px)}
  .idx-sec h2{font-size:20px;color:var(--head);margin:0 0 4px;letter-spacing:-.3px}
  .sec-blurb{color:var(--muted);font-size:14px;margin:0 0 14px;max-width:720px}
  .sec-blurb code{color:var(--mint);background:rgba(124,245,196,.08);padding:1px 5px;border-radius:5px;font-size:12.5px}
  .idx-grid{display:grid;grid-template-columns:1fr;gap:8px}
  a.idx-item{display:flex;flex-direction:column;gap:3px;padding:12px 13px;border:1px solid var(--line);
    border-radius:10px;background:var(--panel);transition:border-color .14s;min-width:0}
  a.idx-item:active,a.idx-item:hover{border-color:var(--mint)}
  a.idx-item code{color:var(--c-fn);font-size:14px;overflow-wrap:anywhere}
  a.idx-item span{color:var(--muted);font-size:13px;line-height:1.5}

  /* ---- hover card (hover-capable devices only; JS also gates it) ---- */
  .hovercard{position:fixed;z-index:100;max-width:min(340px,calc(100vw - 24px));background:var(--panel2);
    border:1px solid var(--line2);border-radius:12px;padding:12px 14px;box-shadow:0 20px 50px -18px rgba(0,0,0,.8);
    pointer-events:auto;cursor:pointer}
  .hovercard:hover{border-color:var(--mint)}
  .hc-top{display:flex;align-items:center;gap:9px;margin-bottom:8px}
  .hc-name{font-family:"JetBrains Mono",monospace;color:var(--head);font-weight:700;font-size:14px;overflow-wrap:anywhere}
  .hc-sig{display:block;color:var(--c-fn);background:var(--c-bg);border:1px solid var(--line);border-radius:7px;
    padding:6px 9px;font-size:12px;margin-bottom:8px;white-space:pre-wrap;overflow-wrap:anywhere}
  .hc-tip{color:var(--text);font-size:13.5px;line-height:1.5}
  .hc-foot{color:var(--mint);font-size:11.5px;margin-top:9px;letter-spacing:.3px}

  /* ---- target flash ---- */
  @keyframes ludicflash{0%{background:rgba(124,245,196,.28);box-shadow:0 0 0 3px rgba(124,245,196,.28)}
    100%{background:transparent;box-shadow:0 0 0 3px transparent}}
  .flash{animation:ludicflash 1.4s ease-out}
  .item-head.flash h1{color:var(--mint)}

  /* ============ tablet / desktop ============ */
  @media (min-width:640px){
    :root{--hdr:64px}
    .wrap{padding:0 24px}
    main.item{padding:34px 24px 90px}
    main.ref{padding:34px 24px 90px}
    .param{flex-direction:row;gap:14px;align-items:baseline}
    .param .pname{min-width:120px}
    .idx-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
    .swatch-row{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
    .sig{display:inline-block}
  }
  @media (min-width:720px){
    .nav-toggle{display:none}
    .nav-links{display:flex;position:static;flex-direction:row;gap:22px;margin-left:auto;
      align-items:center;background:none;border:none;padding:0}
    .nav-links a{color:var(--muted);font-size:14.5px;padding:0;border-top:none}
    .nav-links a:hover{color:var(--head)}
    .nav-links .nav-cta{padding:8px 15px;border-radius:9px;border:1px solid var(--line2);
      background:var(--panel);color:var(--head)!important}
    .nav-links .nav-cta:hover{border-color:var(--mint)}
  }
  /* keyboard/mouse only: lift affordances that would stick on touch */
  @media (hover:hover){
    a.ns-method:hover{transform:translateX(2px)}
    a.idx-item:hover{transform:translateY(-2px)}
  }