:root{color-scheme:dark;--bg:#000;--bg-2:#0a0a0a;--bg-3:#111;--fg:#ededed;--fg-2:#a1a1a1;--fg-3:#6b6b6b;--line:#242424;--line-2:#363636;--hover:#161616;--blue:#52a8ff;--green:#3ecf8e;--red:#ff6369;--amber:#f5a623;--btn-bg:#ededed;--btn-fg:#000;--btn-hover:#fff;--radius:8px;--mono:ui-monospace,"Geist Mono","SF Mono",Menlo,Consolas,monospace;--sans:"Geist","Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
[data-theme=light]{color-scheme:light;--bg:#fff;--bg-2:#fafafa;--bg-3:#f4f4f5;--fg:#171717;--fg-2:#666;--fg-3:#8f8f8f;--line:#eaeaea;--line-2:#d4d4d4;--hover:#f2f2f2;--blue:#0070f3;--green:#0a8f5a;--red:#e5484d;--amber:#b7791f;--btn-bg:#171717;--btn-fg:#fff;--btn-hover:#000}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a.link{color:var(--blue)}a.link:hover{text-decoration:underline}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em}
code,pre,.mono{font-family:var(--mono)}
.ic{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .in{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.02em;font-size:15px}
.mark{width:18px;height:18px;border-radius:5px;background:conic-gradient(from 210deg,#fff,#6b6b6b,#fff);border:1px solid var(--line-2)}
[data-theme=light] .mark{background:conic-gradient(from 210deg,#000,#bbb,#000)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:6px 10px;border-radius:6px;color:var(--fg-2)}
.nav-links a:hover{color:var(--fg);background:var(--hover)}
.nav-right{display:flex;align-items:center;gap:8px}
.icon-btn{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--fg-2);cursor:pointer}
.icon-btn:hover{color:var(--fg);border-color:var(--line-2)}

/* ---- buttons / inputs ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 14px;border-radius:6px;border:1px solid transparent;background:var(--btn-bg);color:var(--btn-fg);font:500 14px var(--sans);cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{background:var(--btn-hover)}
.btn.sec{background:transparent;color:var(--fg);border-color:var(--line-2)}
.btn.sec:hover{background:var(--hover)}
.btn.danger{background:transparent;color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}
.btn.danger:hover{background:color-mix(in srgb,var(--red) 12%,transparent)}
.btn.sm{height:28px;padding:0 10px;font-size:12.5px}
.btn.lg{height:42px;padding:0 20px;font-size:15px}
.btn.block{width:100%}
input,select,textarea{width:100%;height:36px;padding:0 12px;border-radius:6px;border:1px solid var(--line-2);background:var(--bg);color:var(--fg);font:14px var(--sans);outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--fg-2);box-shadow:0 0 0 3px color-mix(in srgb,var(--fg) 12%,transparent)}
input::placeholder{color:var(--fg-3)}
label{display:block;font-size:13px;font-weight:500;margin:14px 0 6px}
.hint{color:var(--fg-3);font-size:12.5px;margin-top:6px}

/* ---- cards / badges / tables ---- */
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius)}
.card-p{padding:20px}
.card-h{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-h h3{font-size:15px}
.badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:999px;border:1px solid var(--line-2);color:var(--fg-2);font-size:12px;white-space:nowrap}
.badge.ok{color:var(--green);border-color:color-mix(in srgb,var(--green) 40%,transparent)}
.badge.err{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}
.badge.info{color:var(--blue);border-color:color-mix(in srgb,var(--blue) 40%,transparent)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;font-size:13.5px}
th{font-weight:500;color:var(--fg-3);font-size:12.5px;background:var(--bg-2)}
tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--hover)}
.flash{padding:10px 14px;border-radius:6px;margin:0 0 16px;font-size:13.5px;border:1px solid var(--line-2);background:var(--bg-2)}
.flash.ok{border-color:color-mix(in srgb,var(--green) 40%,transparent);color:var(--green)}
.flash.err{border-color:color-mix(in srgb,var(--red) 40%,transparent);color:var(--red)}
.progress{height:6px;border-radius:999px;background:var(--bg-3);overflow:hidden;border:1px solid var(--line)}
.progress>i{display:block;height:100%;background:var(--fg)}
.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:600;letter-spacing:.02em;flex:none;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.inline{display:inline}

/* ---- code ---- */
.code{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);overflow:hidden;margin:14px 0}
.code-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line);color:var(--fg-3);font-size:12px}
.code pre{margin:0;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.7;color:var(--fg)}
.code .cm{color:var(--fg-3)}.code .str{color:var(--green)}
.copy-btn{background:transparent;border:1px solid var(--line);color:var(--fg-2);border-radius:5px;height:24px;padding:0 8px;font:12px var(--sans);cursor:pointer}
.copy-btn:hover{color:var(--fg);border-color:var(--line-2)}
.tabs .tab-list{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-top:14px}
.tab-btn{background:none;border:0;border-bottom:2px solid transparent;color:var(--fg-2);padding:8px 12px;font:500 13px var(--sans);cursor:pointer;margin-bottom:-1px}
.tab-btn.on{color:var(--fg);border-bottom-color:var(--fg)}
.tab-panel{display:none}.tab-panel.on{display:block}
.tab-panel .code{margin-top:0;border-top:0;border-radius:0 0 var(--radius) var(--radius)}

/* ---- marketing ---- */
.hero{position:relative;text-align:center;padding:96px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 60% 60% at 50% 0,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 60% 60% at 50% 0,#000,transparent 75%);opacity:.7;pointer-events:none}
.hero>*{position:relative}
.pill{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border:1px solid var(--line-2);border-radius:999px;color:var(--fg-2);font-size:13px;background:var(--bg-2)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 25%,transparent)}
.h-title{font-size:clamp(38px,7vw,72px);line-height:1.04;letter-spacing:-.045em;font-weight:700;margin:22px auto 18px;max-width:880px}
.h-sub{color:var(--fg-2);font-size:clamp(15px,2vw,19px);max-width:620px;margin:0 auto 30px;line-height:1.6}
.cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero .code{max-width:680px;margin:44px auto 0;text-align:left}
.sect{padding:72px 0;border-top:1px solid var(--line)}
.sect-h{text-align:center;margin-bottom:40px}
.sect-h h2{font-size:clamp(26px,4vw,40px);letter-spacing:-.035em}
.sect-h p{color:var(--fg-2);margin:10px auto 0;max-width:560px;font-size:16px}
.cells{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cell{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.cell:nth-child(3n){border-right:0}.cell:nth-last-child(-n+3){border-bottom:0}
.cell .ico{width:36px;height:36px;border:1px solid var(--line-2);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--fg)}
.cell h3{font-size:15px;margin-bottom:6px}.cell p{margin:0;color:var(--fg-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2)}
.step b{display:inline-flex;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);align-items:center;justify-content:center;font-size:12px;margin-bottom:14px;font-family:var(--mono)}
.step h3{font-size:15px;margin-bottom:6px}.step p{margin:0;color:var(--fg-2)}
details{border-bottom:1px solid var(--line);padding:16px 0}
details summary{cursor:pointer;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--fg-3);font-family:var(--mono)}
details[open] summary::after{content:"–"}
details p{margin:10px 0 0;color:var(--fg-2)}
.cta-band{text-align:center;padding:80px 0}
.cta-band h2{font-size:clamp(26px,4vw,40px);letter-spacing:-.035em;margin-bottom:12px}
.cta-band p{color:var(--fg-2);margin:0 0 24px}
.foot{border-top:1px solid var(--line);padding:28px 0;color:var(--fg-3);font-size:13px}
.foot .in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot a:hover{color:var(--fg)}

/* ---- auth ---- */
.auth{min-height:calc(100vh - 56px);display:flex;align-items:center;justify-content:center;padding:32px 20px}
.auth-card{width:100%;max-width:380px}
.auth-card h1{font-size:24px;letter-spacing:-.03em;margin-bottom:6px}
.auth-card .sub{color:var(--fg-2);margin:0 0 20px}
.auth-card .card-p{padding:24px}
.auth-foot{text-align:center;color:var(--fg-2);margin-top:16px;font-size:13.5px}

/* ---- app shell ---- */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;padding:14px 12px}
.side .brand{padding:6px 8px 16px}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav .grp{font-size:11.5px;color:var(--fg-3);padding:14px 8px 6px;text-transform:uppercase;letter-spacing:.06em}
.side-nav a{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:6px;color:var(--fg-2)}
.side-nav a:hover{background:var(--hover);color:var(--fg)}
.side-nav a.on{background:var(--hover);color:var(--fg)}
.side-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:12px}
.me{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:6px}
.me:hover{background:var(--hover)}
.me .nm{font-weight:500;line-height:1.2}.me .rl{color:var(--fg-3);font-size:12px}
.main{min-width:0}
.topbar{display:none}
.page{max-width:1000px;margin:0 auto;padding:36px 32px 80px}
.page-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.page-h h1{font-size:28px;letter-spacing:-.035em}
.page-h p{margin:4px 0 0;color:var(--fg-2)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{padding:18px 20px}
.stat .l{color:var(--fg-3);font-size:12.5px}
.stat .v{font-size:26px;font-weight:600;letter-spacing:-.03em;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .v small{font-size:14px;color:var(--fg-3);font-weight:400}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.profile-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:140px 1fr;gap:10px 16px;margin:0}
.kv dt{color:var(--fg-3)}.kv dd{margin:0}
.keycell{display:flex;align-items:center;gap:8px}
.keycell code{font-size:12.5px}
.linkbtn{background:none;border:0;color:var(--blue);cursor:pointer;font:13px var(--sans);padding:0}
.linkbtn:hover{text-decoration:underline}

/* ---- docs ---- */
.dlayout{display:grid;grid-template-columns:260px minmax(0,1fr);max-width:1180px;margin:0 auto}
.dside{position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto;padding:24px 16px 40px 20px;border-right:1px solid var(--line)}
.dside input{height:32px;font-size:13px;margin-bottom:14px}
.dside .grp{font-size:11.5px;color:var(--fg-3);padding:14px 8px 6px;text-transform:uppercase;letter-spacing:.06em}
.dside a.dl{display:block;padding:6px 8px;border-radius:6px;color:var(--fg-2);border-left:2px solid transparent}
.dside a.dl:hover{color:var(--fg);background:var(--hover)}
.dside a.dl.on{color:var(--fg);background:var(--hover);border-left-color:var(--fg)}
.dside .empty{color:var(--fg-3);padding:8px;display:none}
.dmain{padding:40px 40px 120px;min-width:0;max-width:820px}
.dmain h1{font-size:34px;letter-spacing:-.04em;margin-bottom:8px}
.dmain h2{font-size:22px;letter-spacing:-.03em;margin:56px 0 12px;padding-top:8px}
.dmain h3{font-size:16px;margin:28px 0 8px}
.dmain p,.dmain li{color:var(--fg-2)}
.dmain p strong,.dmain li strong{color:var(--fg)}
.dmain code.i{background:var(--bg-3);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:12.5px;color:var(--fg)}
.lead{font-size:16px;color:var(--fg-2)}
.callout{border:1px solid var(--line-2);border-left:3px solid var(--blue);background:var(--bg-2);border-radius:6px;padding:12px 16px;margin:16px 0;color:var(--fg-2)}
.callout.warn{border-left-color:var(--amber)}
.req{color:var(--red);font-size:12px;margin-left:6px}.opt{color:var(--fg-3);font-size:12px;margin-left:6px}
.method{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:5px;background:color-mix(in srgb,var(--green) 18%,transparent);color:var(--green);font:600 12px var(--mono);margin-right:8px}
.endpoint{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;background:var(--bg-2);font-family:var(--mono);font-size:13.5px;overflow-x:auto;margin:14px 0}
.play{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.play .full{grid-column:1/-1}
.out{white-space:pre-wrap;word-break:break-all;min-height:80px;max-height:360px;overflow:auto}
.dtoggle{display:none}

/* ---- responsive ---- */
@media(max-width:980px){
 .shell{grid-template-columns:1fr}
 .side{position:fixed;inset:0 auto 0 0;width:260px;z-index:80;transform:translateX(-100%);transition:transform .2s}
 .shell.open .side{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.6)}
 .topbar{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:40}
 .page{padding:24px 16px 60px}
 .stats{grid-template-columns:1fr 1fr}
 .row2{grid-template-columns:1fr}
 .cells{grid-template-columns:1fr 1fr}.cell:nth-child(3n){border-right:1px solid var(--line)}.cell:nth-child(2n){border-right:0}.cell:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.cell:nth-last-child(-n+2){border-bottom:0}
 .steps{grid-template-columns:1fr}
 .dlayout{grid-template-columns:1fr}
 .dtoggle{display:inline-flex}
 .dside{position:fixed;top:56px;left:0;bottom:0;width:280px;background:var(--bg);z-index:60;transform:translateX(-100%);transition:transform .2s;height:auto}
 .dlayout.open .dside{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.6)}
 .dmain{padding:28px 18px 100px}
}
@media(max-width:560px){
 .nav-links .hide-s{display:none}
 .hero{padding:64px 0 40px}
 .cells{grid-template-columns:1fr}.cell{border-right:0!important}.cell:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.cell:last-child{border-bottom:0}
 .stats{grid-template-columns:1fr}
 .play{grid-template-columns:1fr}
 .kv{grid-template-columns:1fr}
}