:root{
  --brand:#ff6a00; --brand-strong:#e85d00; --brand-soft:#fff3e8; --brand-grad:linear-gradient(92deg,#ff6a00 0%,#ff8a00 55%,#ff5000 100%);
  --bg:#f4f4f6; --surface:#ffffff; --surface-2:#fafafa; --ink:#1f1f23; --ink-2:#44444c; --muted:#71717c;
  --border:#e4e4e8; --border-strong:#d4d4da; --code-bg:#17171c; --code-ink:#f3f3f5;
  --ok:#12805c; --ok-bg:#e7f6f0; --bad:#c92a1e; --bad-bg:#fdecea; --warn:#9a6200; --warn-bg:#fff6e0;
  --shadow:0 1px 2px rgba(20,20,30,.05),0 4px 14px rgba(20,20,30,.05);
  --shadow-lg:0 2px 6px rgba(20,20,30,.06),0 14px 34px rgba(20,20,30,.10);
  --radius:10px; --radius-lg:14px;
  --font:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#121215; --surface:#1c1c20; --surface-2:#232329; --ink:#f2f2f4; --ink-2:#c9c9d1; --muted:#9a9aa5;
    --border:#303038; --border-strong:#3d3d48; --brand-soft:#33200f; --code-bg:#0c0c0f;
    --ok-bg:#0f2c22; --bad-bg:#351512; --warn-bg:#33270c;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 4px 14px rgba(0,0,0,.35);
    --shadow-lg:0 2px 6px rgba(0,0,0,.45),0 14px 34px rgba(0,0,0,.5);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand-strong);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
::selection{background:#ffd9bd}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}
.hidden{display:none!important}

/* Header */
.topbar{background:#1f1f23;color:#cfcfd6;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:5px;padding-bottom:5px;flex-wrap:wrap}
.topbar b{color:#ffb27a;font-weight:700}
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.header-in{display:flex;align-items:center;gap:22px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:23px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.logo:hover{text-decoration:none}
.logo .mark{width:38px;height:38px;border-radius:9px;background:var(--brand-grad);display:grid;place-items:center;color:#fff;flex:none}
.logo .mark svg{width:22px;height:22px}
.logo em{font-style:normal;color:var(--brand)}
.mainnav{display:flex;gap:4px;margin-left:8px;align-items:center}
.nav-drop{display:flex;align-items:center}
.mainnav a{color:var(--ink-2);font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.mainnav a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav-drop{position:relative}
.nav-drop .drop{position:absolute;top:calc(100% + 6px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;min-width:250px;display:none}
.nav-drop:hover .drop,.nav-drop:focus-within .drop{display:block}
.nav-drop .drop a{display:flex;justify-content:space-between;gap:16px;padding:8px 10px}
.nav-drop .drop a span{color:var(--muted);font-size:13px;font-weight:700}
.header-search{margin-left:auto;flex:0 1 340px}
.header-search input{width:100%;padding:9px 14px;border:1.5px solid var(--border-strong);border-radius:999px;background:var(--surface-2);outline:none}
.header-search input:focus{border-color:var(--brand);background:var(--surface)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--border-strong);border-radius:8px;padding:8px 10px;color:var(--ink)}

/* Hero */
.hero{background:var(--surface);border-bottom:1px solid var(--border);padding:52px 0 46px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:auto -220px -260px auto;width:480px;height:480px;border-radius:50%;border:70px solid var(--brand-soft);opacity:.38;pointer-events:none;z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;letter-spacing:-.025em;margin:0 0 14px;font-weight:800;max-width:760px}
.hero h1 .hl{color:var(--brand)}
.hero p.lead{font-size:18px;color:var(--ink-2);max-width:680px;margin:0 0 26px}
.hero-search{display:flex;max-width:640px;border:2px solid var(--brand);border-radius:12px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.hero-search input{flex:1;border:0;padding:14px 16px;font-size:16px;outline:none;background:transparent;min-width:0}
.hero-search button{background:var(--brand-grad);color:#fff;border:0;padding:0 26px;font-size:16px;font-weight:700}
.hero-search button:hover{filter:brightness(1.05)}
.hero-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:6px 13px;font-size:13.5px;font-weight:600;color:var(--ink-2)}
.chip svg{width:15px;height:15px;color:var(--brand)}
.chip b{color:var(--ink)}

/* Sections */
section.block{padding:44px 0 8px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.sec-head h2{font-size:25px;letter-spacing:-.02em;margin:0;font-weight:800}
.sec-head p{color:var(--muted);margin:4px 0 0;font-size:15px}
.sec-head a{font-weight:700;font-size:14.5px}

/* Cards and grids */
.grid{display:grid;gap:16px}
.grid.tools{grid-template-columns:repeat(auto-fill,minmax(258px,1fr))}
.grid.cats{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}
.grid.feat{grid-template-columns:repeat(auto-fill,minmax(258px,1fr))}
.tool-card{display:flex;gap:13px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:17px;box-shadow:var(--shadow);color:var(--ink);transition:border-color .15s,box-shadow .15s}
.tool-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);text-decoration:none}
.tool-card .ic{width:44px;height:44px;flex:none;border-radius:10px;background:var(--brand-soft);color:var(--brand-strong);display:grid;place-items:center}
.tool-card .ic svg{width:23px;height:23px}
.tool-card h3{margin:1px 0 4px;font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.tool-card p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.45}
.tool-card .tag{margin-top:8px;display:inline-block;font-size:11.5px;font-weight:700;color:var(--brand-strong);background:var(--brand-soft);padding:2px 8px;border-radius:999px}
.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
.cat-card h3{margin:0 0 4px;font-size:18px;font-weight:800;display:flex;justify-content:space-between;align-items:baseline}
.cat-card h3 .count{color:var(--brand);font-size:15px}
.cat-card>p{margin:0 0 12px;color:var(--muted);font-size:14px}
.cat-card ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.cat-card ul a{display:flex;justify-content:space-between;padding:6px 8px;border-radius:7px;color:var(--ink-2);font-weight:600;font-size:14.5px}
.cat-card ul a:hover{background:var(--brand-soft);color:var(--ink);text-decoration:none}
.cat-card ul a svg{width:15px;height:15px;color:var(--brand);align-self:center}

/* Filter bar */
.filterbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.filterbar .fbtn{border:1px solid var(--border-strong);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:7px 15px;font-weight:700;font-size:14px}
.filterbar .fbtn:hover{border-color:var(--brand);color:var(--ink)}
.filterbar .fbtn.on{background:var(--brand);border-color:var(--brand);color:#fff}
.no-results{background:var(--surface);border:1px dashed var(--border-strong);border-radius:var(--radius-lg);padding:30px;text-align:center;color:var(--muted)}

/* Value props */
.props{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.prop{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow)}
.prop .ic{width:38px;height:38px;border-radius:9px;background:var(--brand-soft);color:var(--brand-strong);display:grid;place-items:center;margin-bottom:10px}
.prop .ic svg{width:20px;height:20px}
.prop h3{margin:0 0 5px;font-size:15.5px}
.prop p{margin:0;font-size:13.8px;color:var(--muted)}

/* Tool page */
.crumbs{font-size:13.5px;color:var(--muted);padding:20px 0 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--brand-strong)}
.tool-head h1, .tool-head #toolH1{font-size:clamp(27px,3.6vw,38px);letter-spacing:-.025em;margin:10px 0 8px;font-weight:800}
.tool-head .lead{font-size:17px;color:var(--ink-2);margin:0 0 22px;max-width:760px}
.crumbs .current{color:var(--ink);font-weight:700}
.tool-backbar{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 20px}
.tool-backbar a{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--border-strong);background:var(--surface);color:var(--ink);border-radius:9px;padding:8px 15px;font-size:14px;font-weight:700}
.tool-backbar a:hover{border-color:var(--brand);text-decoration:none}
.tool-backbar a svg{width:15px;height:15px;color:var(--brand-strong)}
.tool-path{font-size:13px;color:var(--muted);margin:-12px 0 18px}
.tool-path .mono{color:var(--brand-strong);font-weight:700}
.quick-box{max-width:820px;background:var(--brand-soft);border:1px solid var(--brand);border-radius:var(--radius-lg);padding:18px 22px;margin-top:18px}
.quick-box h2{font-size:16px;margin:0 0 6px;font-weight:800;letter-spacing:-.01em}
.quick-box p{margin:0;color:var(--ink-2);font-size:15.5px}
.prose table.dt{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin:12px 0}
.prose .cols2{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
@media (max-width:760px){.prose .cols2{grid-template-columns:1fr}.prose table.dt{display:block;overflow-x:auto}}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:22px}
.panel + .panel{margin-top:16px}
.prose{max-width:820px}
.prose h2{font-size:22px;letter-spacing:-.02em;margin:38px 0 10px;font-weight:800}
.prose h3{font-size:17px;margin:22px 0 8px}
.prose p,.prose li{color:var(--ink-2);font-size:15.5px}
.prose ol,.prose ul{padding-left:22px}
.prose li{margin-bottom:5px}
.example-box{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--brand);border-radius:8px;padding:14px 18px;margin:12px 0}
.example-box p{margin:4px 0}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:700;padding:14px 18px;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--brand);font-size:20px;font-weight:800;line-height:1}
.faq details[open ] summary:after{content:"–"}
.faq details p{padding:0 18px 16px;margin:0;color:var(--ink-2);font-size:15px}

/* Forms */
label.fl{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px}
label.fl .req{color:var(--brand-strong)}
input[type=text],input[type=url],input[type=email],input[type=number],input[type=date],input[type=password],select,textarea{
  width:100%;padding:10px 12px;border:1.5px solid var(--border-strong);border-radius:9px;background:var(--surface);outline:none;transition:border-color .12s}
input:focus,select:focus,textarea:focus{border-color:var(--brand)}
textarea{resize:vertical;line-height:1.5}
textarea.code{font-family:var(--mono);font-size:13.5px}
pre.code{background:var(--code-bg);color:var(--code-ink);border-radius:10px;padding:16px;overflow:auto;font-family:var(--mono);font-size:13.5px;line-height:1.55;margin:0;white-space:pre-wrap;word-break:break-word}
.field{margin-bottom:14px}
.frow{display:grid;gap:14px}
.frow.c2{grid-template-columns:1fr 1fr}
.frow.c3{grid-template-columns:1fr 1fr 1fr}
.frow.c4{grid-template-columns:repeat(4,1fr)}
.hint{font-size:12.8px;color:var(--muted);margin-top:5px}
.err-msg{font-size:13px;color:var(--bad);margin-top:5px;font-weight:600}
.alert{border-radius:10px;padding:12px 15px;font-size:14.5px;margin-bottom:14px;display:none}
.alert.show{display:block}
.alert.err{background:var(--bad-bg);color:var(--bad);border:1px solid var(--bad)}
.alert.warn{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn)}
.alert.ok{background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok)}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px}
.check{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--ink-2);cursor:pointer;padding:4px 0}
.check input{width:17px;height:17px;accent-color:var(--brand);cursor:pointer}
input[type=range]{width:100%;accent-color:var(--brand)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:1.5px solid transparent;border-radius:9px;padding:10px 18px;font-size:15px;font-weight:700;background:var(--surface-2);color:var(--ink);border-color:var(--border-strong);transition:filter .12s,background .12s}
.btn svg{width:16px;height:16px}
.btn:hover{border-color:var(--brand);color:var(--ink)}
.btn.primary{background:var(--brand-grad);color:#fff;border-color:transparent}
.btn.primary:hover{filter:brightness(1.06);color:#fff}
.btn.dark{background:#26262c;color:#fff;border-color:#26262c}
.btn.dark:hover{background:#33333b;color:#fff}
.btn.sm{padding:7px 13px;font-size:13.5px;border-radius:8px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btnrow.right{justify-content:flex-end}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:10px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:transparent;padding:7px 14px;border-radius:7px;font-weight:700;font-size:14px;color:var(--ink-2)}
.seg button.on{background:var(--brand);color:#fff}

/* Stats and tables */
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:16px}
.stat{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:13px 15px}
.stat .v{font-size:23px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.stat .k{font-size:12.8px;color:var(--muted);font-weight:700}
table.dt{width:100%;border-collapse:collapse;font-size:14.5px}
table.dt th{text-align:left;font-size:12.5px;color:var(--muted);font-weight:700;padding:8px 10px;border-bottom:2px solid var(--border)}
table.dt td{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--ink-2)}
table.dt td:first-child{color:var(--ink);font-weight:600}
table.dt tr.hl td{background:var(--brand-soft)}
.bar{height:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--brand-grad);border-radius:99px;transition:width .25s}
.meter{height:10px;background:var(--surface-2);border:1px solid var(--border);border-radius:99px;overflow:hidden}
.meter>i{display:block;height:100%;transition:width .25s,background .25s}
.output-big{font-family:var(--mono);font-size:15px;background:var(--surface-2);border:1.5px dashed var(--border-strong);border-radius:10px;padding:14px 16px;word-break:break-all;line-height:1.6}
.chips-out{display:flex;flex-wrap:wrap;gap:7px}
.chips-out span{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:5px 11px;font-family:var(--mono);font-size:14px}
mark{background:#ffe1c2;color:inherit;border-radius:3px;padding:0 1px}
@media (prefers-color-scheme: dark){mark{background:#7a3c00;color:#ffd9ae}}

/* JSON tree */
.tree{font-family:var(--mono);font-size:13.5px;line-height:1.65;overflow:auto}
.tree .tk{color:var(--brand-strong);font-weight:600}
.tree .ts{color:var(--ok)}
.tree .tn{color:#7a4fd0}
@media (prefers-color-scheme: dark){.tree .tn{color:#c4a6ff}}
.tree .tb{color:#b06000}
.tree .toggle{cursor:pointer;user-select:none;color:var(--muted);font-weight:700}
.tree .kids{margin-left:18px;border-left:1px dotted var(--border-strong);padding-left:10px}
.tree .collapsed>.kids,.tree .collapsed>.closeb{display:none}

/* Drop zone */
.drop{border:2px dashed var(--border-strong);border-radius:12px;padding:28px 18px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft);color:var(--ink)}
.drop b{color:var(--ink)}

/* Toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,80px);opacity:0;visibility:hidden;pointer-events:none;background:#26262c;color:#fff;padding:11px 20px;border-radius:10px;font-weight:700;font-size:14.5px;box-shadow:var(--shadow-lg);transition:transform .25s,opacity .25s,visibility .25s;z-index:200;display:flex;gap:8px;align-items:center;max-width:92vw}
#toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}
#toast svg{width:16px;height:16px;color:#7ee2b8}

/* Footer */
footer{margin-top:64px;background:#1f1f23;color:#b9b9c2}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding:42px 0 30px}
footer h4{color:#fff;font-size:15px;margin:0 0 12px}
footer a{color:#b9b9c2;font-size:14px;display:block;padding:3px 0}
footer a:hover{color:#ffb27a}
footer .brandline{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800}
footer p{font-size:13.8px;line-height:1.6}
footer .bottom{border-top:1px solid #34343c;padding:16px 0 22px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* About stats table */
.scroll-x{overflow-x:auto}
@media (max-width:900px){
  .frow.c4{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .mainnav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);flex-direction:column;padding:10px 16px 16px;box-shadow:var(--shadow-lg)}
  .mainnav.open{display:flex}
  .mainnav a{padding:11px 8px}
  .nav-drop .drop{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}
  .menu-btn{display:block}
  .header-search{display:none}
  .frow.c2,.frow.c3{grid-template-columns:1fr}
  .frow.c4{grid-template-columns:1fr 1fr}
  .hero{padding:36px 0 34px}
  .hero:before{display:none}
  #about .scroll-x{overflow-x:visible}
  #about table.dt{min-width:0!important}
  #about table.dt thead{display:none}
  #about table.dt tbody tr{display:block;padding:10px 4px;border-bottom:1px solid var(--border)}
  #about table.dt td{display:block;border-bottom:0;padding:2px 10px}
  #about table.dt td:first-child{font-size:15.5px}
  .panel{padding:16px}
  .topbar .wrap span:last-child{display:none}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}