:root{
--bg:#06101d;--bg2:#091827;--panel:#0c1a2a;--panel2:#102338;--text:#eef8ff;--muted:#8fa8bd;
--accent:#21e6b7;--accent2:#39a7ff;--gold:#ffc857;--border:#1a344b;--shadow:0 20px 55px rgba(0,0,0,.28);
--glow:0 0 0 1px rgba(57,167,255,.08),0 22px 70px rgba(0,0,0,.25)
}
[data-theme="light"]{--bg:#f4f8fb;--bg2:#edf5fa;--panel:#fff;--panel2:#eef5fb;--text:#102033;--muted:#60758a;--accent:#079c77;--accent2:#147ad6;--gold:#bd7c00;--border:#d6e4ee;--shadow:0 16px 40px rgba(20,50,75,.09);--glow:0 0 0 1px rgba(20,122,214,.05),0 18px 50px rgba(20,50,75,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:
radial-gradient(circle at 12% -10%,rgba(57,167,255,.16),transparent 34%),radial-gradient(circle at 88% 4%,rgba(33,230,183,.11),transparent 28%),linear-gradient(180deg,var(--bg),var(--bg2) 55%,var(--bg));min-height:100vh}
a{color:inherit;text-decoration:none}.wrap{max-width:1240px;margin:auto;padding:0 22px}
header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--border) 80%,transparent)}
.nav{min-height:74px;display:flex;align-items:center;gap:18px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:25px;font-weight:950;letter-spacing:-.9px;white-space:nowrap}.brand:before{content:'K';display:grid;place-items:center;width:35px;height:35px;border-radius:11px;color:#06101d;background:linear-gradient(135deg,var(--gold),var(--accent));font-size:19px;font-weight:950;box-shadow:0 8px 22px rgba(33,230,183,.14)}.brand span{color:var(--accent)}
.navlinks{display:flex;gap:15px;margin-left:auto;color:var(--muted);font-size:13px;align-items:center;flex-wrap:wrap}.navlinks a{padding:7px 0;position:relative}.navlinks a:after{content:'';position:absolute;left:0;right:100%;bottom:1px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:.18s}.navlinks a:hover{color:var(--text)}.navlinks a:hover:after{right:0}
.btn,button{border:0;border-radius:12px;padding:12px 16px;font-weight:850;cursor:pointer;transition:.18s transform,.18s filter}.btn:hover,button:hover{transform:translateY(-1px);filter:brightness(1.05)}.primary{background:linear-gradient(135deg,var(--accent),#66f2d0);color:#032116}.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border)}
.hero{padding:92px 0 48px;text-align:center;position:relative}.hero:before{content:'';position:absolute;inset:18px 10% auto;height:300px;background:radial-gradient(circle,rgba(57,167,255,.12),transparent 68%);pointer-events:none}.kicker{position:relative;display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid var(--border);border-radius:999px;color:var(--accent);background:color-mix(in srgb,var(--panel) 88%,transparent);font-weight:750;font-size:13px}.kicker:before{content:'✦';color:var(--gold)}
.hero h1{position:relative;font-size:clamp(42px,6.3vw,78px);line-height:.99;letter-spacing:-3.1px;margin:20px auto 18px;max-width:1000px}.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{position:relative;max-width:780px;margin:0 auto 28px;color:var(--muted);font-size:18px;line-height:1.65}
.search{position:relative;max-width:800px;margin:0 auto;display:flex;gap:10px;background:color-mix(in srgb,var(--panel) 90%,transparent);border:1px solid var(--border);padding:9px;border-radius:18px;box-shadow:var(--glow)}.search:before{content:'⌕';display:grid;place-items:center;width:42px;color:var(--muted);font-size:24px}.search input{flex:1;background:transparent;border:0;outline:0;color:var(--text);font-size:16px;padding:9px 4px;min-width:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}.stat{padding:17px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 95%,transparent),color-mix(in srgb,var(--panel2) 78%,transparent));box-shadow:var(--shadow)}.stat b{display:block;font-size:25px;letter-spacing:-.5px}.stat:nth-child(1) b,.stat:nth-child(4) b{color:var(--accent)}
.section{padding:42px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section h2{margin:0;font-size:32px;letter-spacing:-1px}.section p{color:var(--muted);line-height:1.6}.section-head p{margin:7px 0 0}
.feature-strip{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:14px}.feature-tile{position:relative;overflow:hidden;min-height:170px;padding:22px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(145deg,var(--panel),var(--panel2));box-shadow:var(--shadow)}.feature-tile:first-child{background:linear-gradient(145deg,rgba(14,58,69,.9),rgba(11,31,49,.95))}.feature-tile h3{font-size:22px;margin:8px 0}.feature-tile p{font-size:14px;max-width:390px}.feature-tile .icon{font-size:34px}.feature-tile:after{content:'';position:absolute;width:150px;height:150px;border-radius:50%;right:-45px;top:-55px;background:radial-gradient(circle,rgba(57,167,255,.18),transparent 70%)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{position:relative;background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 97%,transparent),color-mix(in srgb,var(--panel2) 82%,transparent));border:1px solid var(--border);border-radius:19px;padding:19px;box-shadow:0 12px 35px rgba(0,0,0,.15);transition:.18s transform,.18s border-color,.18s box-shadow;overflow:hidden}.card:before{content:'';position:absolute;inset:0 auto 0 0;width:3px;background:linear-gradient(var(--accent),var(--accent2));opacity:0;transition:.18s}.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent2) 68%,var(--border));box-shadow:var(--glow)}.card:hover:before{opacity:1}.icon{font-size:29px}.card h3{margin:12px 0 7px;font-size:17px;letter-spacing:-.25px}.card p{margin:0;color:var(--muted);font-size:13px;min-height:42px;line-height:1.5}.tag{display:inline-block;margin-top:13px;padding:6px 9px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);color:var(--muted);font-size:11px;font-weight:700}
.categories{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.cat{padding:18px 12px;text-align:center;border:1px solid var(--border);background:linear-gradient(180deg,var(--panel),var(--panel2));border-radius:17px;transition:.18s}.cat:hover{transform:translateY(-3px);border-color:var(--accent2)}.cat div{font-size:28px;margin-bottom:8px}.cat strong{display:block}.cat small{display:block;color:var(--muted);margin-top:4px}
.adbox{min-height:90px;border:1px dashed color-mix(in srgb,var(--border) 75%,transparent);border-radius:14px;display:grid;place-items:center;color:var(--muted);background:color-mix(in srgb,var(--panel) 65%,transparent);font-size:12px}
.tool-shell{max-width:950px;margin:36px auto}.tool-panel{background:linear-gradient(180deg,var(--panel),color-mix(in srgb,var(--panel2) 82%,var(--panel)));border:1px solid var(--border);border-radius:24px;padding:26px;box-shadow:var(--glow)}.tool-panel>h1{font-size:clamp(30px,5vw,46px);letter-spacing:-1.5px;margin:10px 0}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field label{display:block;color:var(--muted);font-size:13px;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;padding:13px;border:1px solid var(--border);border-radius:12px;background:var(--panel2);color:var(--text);outline:0;transition:.18s}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(57,167,255,.08)}.field textarea{min-height:160px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.result{margin-top:16px;padding:16px;background:var(--panel2);border:1px solid var(--border);border-radius:13px;white-space:pre-wrap;overflow-wrap:anywhere}.breadcrumbs{color:var(--muted);font-size:13px;margin-top:25px}.content{line-height:1.78}.content p,.content li{color:var(--muted)}
.notice{padding:14px 16px;border:1px solid var(--border);border-radius:13px;background:linear-gradient(90deg,rgba(33,230,183,.06),rgba(57,167,255,.05));color:var(--muted);margin:13px 0}.badge-live{color:var(--accent);font-weight:850}.badge-backend{color:var(--gold);font-weight:850}.preview{max-width:100%;border-radius:14px;margin-top:14px;border:1px solid var(--border)}.file-input{padding:18px;border:1px dashed var(--border);border-radius:14px;background:var(--panel2)}.canvas-wrap{margin-top:15px;overflow:auto}.canvas-wrap canvas{max-width:100%;border-radius:14px;border:1px solid var(--border)}
.signal{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);font-weight:850}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.metric{padding:14px;background:var(--panel2);border:1px solid var(--border);border-radius:13px}.metric b{display:block;font-size:20px;margin-top:4px}.table-wrap{overflow:auto;margin-top:14px}table{width:100%;border-collapse:separate;border-spacing:0;background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left}th{background:var(--panel2);font-size:13px}tr:last-child td{border-bottom:0}
footer{border-top:1px solid var(--border);margin-top:58px;padding:38px 0;color:var(--muted);background:rgba(0,0,0,.05)}.footergrid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:25px}.footergrid h4{color:var(--text);margin-top:0}.footergrid p{margin:9px 0}.small{font-size:13px;color:var(--muted)}.hidden{display:none!important}
@media(max-width:1080px){.grid{grid-template-columns:repeat(3,1fr)}.categories{grid-template-columns:repeat(4,1fr)}.navlinks{display:none}.feature-strip{grid-template-columns:1fr 1fr}.feature-tile:first-child{grid-column:1/-1}}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}.categories{grid-template-columns:repeat(3,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.footergrid{grid-template-columns:1fr 1fr}.fields{grid-template-columns:1fr}.hero{padding-top:60px}.hero h1{letter-spacing:-2px}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.wrap{padding:0 15px}.grid,.stats,.feature-strip{grid-template-columns:1fr}.categories{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:42px}.search{flex-direction:column}.search:before{display:none}.footergrid{grid-template-columns:1fr}.tool-panel{padding:19px}.section{padding:34px 0}}