:root{--bg:#09090b;--bg1:#0e0e11;--panel:rgba(255,255,255,.028);--panel2:rgba(255,255,255,.05);--bd:rgba(255,255,255,.075);--bd2:rgba(255,255,255,.14);--fg:#ededef;--fg2:#a1a1aa;--fg3:#6b6b75;--ac:#8b8cff;--ac2:#5eead4;--acbg:rgba(139,140,255,.12);--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--sh:0 1px 0 rgba(255,255,255,.04) inset,0 8px 30px rgba(0,0,0,.35);--font:"Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",sans-serif;--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono CJK SC",monospace;--ease:cubic-bezier(.2,.8,.2,1);color-scheme:dark}
[data-theme=light]{--bg:#fafafa;--bg1:#ffffff;--panel:#ffffff;--panel2:#f4f4f5;--bd:rgba(9,9,11,.08);--bd2:rgba(9,9,11,.16);--fg:#18181b;--fg2:#52525b;--fg3:#8a8a93;--ac:#5b5bd6;--ac2:#0d9488;--acbg:rgba(91,91,214,.09);--sh:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);color-scheme:light}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{font:14px/1.7 var(--font);letter-spacing:.01em;color:var(--fg);background:var(--bg);min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;display:flex;flex-direction:column}
body:before{content:"";position:fixed;inset:0 0 auto;height:560px;pointer-events:none;z-index:-1;background:radial-gradient(600px 280px at 20% -60px,rgba(139,140,255,.16),transparent 70%),radial-gradient(520px 260px at 85% -80px,rgba(94,234,212,.09),transparent 70%)}
[data-theme=light] body:before{opacity:.7}
a{color:inherit;text-decoration:none}
::selection{background:var(--acbg)}
h1,h2,h3{font-weight:600;letter-spacing:-.01em;line-height:1.3;text-wrap:balance}
p{text-wrap:pretty}
code,kbd,.mono{font-family:var(--mono);font-size:.92em}
.wrap{width:min(1120px,100% - 40px);margin:0 auto}
/* nav */
.nav{position:sticky;top:0;z-index:30;backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--bd)}
.nav .wrap{display:flex;align-items:center;gap:6px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;font-size:15px;margin-right:18px;white-space:nowrap}
.brand svg{flex:none}
.brand small{font-weight:400;color:var(--fg3);font-size:13px}
.nl{padding:6px 14px;border-radius:999px;color:var(--fg2);font-size:13.5px;transition:color .15s,background .15s}
.nl:hover{color:var(--fg);background:var(--panel2)}.nl.on{color:var(--fg);background:var(--panel2)}
.sp{flex:1}
.sbtn{display:flex;align-items:center;gap:10px;min-width:220px;height:36px;padding:0 8px 0 14px;border-radius:999px;border:1px solid var(--bd);background:var(--panel);color:var(--fg3);font-size:13px;cursor:pointer;transition:border-color .15s}
.sbtn:hover{border-color:var(--bd2);color:var(--fg2)}.sbtn span{flex:1;text-align:left}
kbd{display:inline-flex;align-items:center;height:20px;padding:0 7px;border-radius:999px;border:1px solid var(--bd);background:var(--panel2);font-size:11px;color:var(--fg3)}
/* buttons & inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--bd);background:var(--panel);color:var(--fg);font:500 13.5px var(--font);cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,transform .1s,color .15s;user-select:none}
.btn:hover{border-color:var(--bd2);background:var(--panel2)}
.btn:active{transform:scale(.97)}
.btn:focus-visible,.inp:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
.btn.p{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn.p:hover{opacity:.9}
.btn.a{background:var(--ac);border-color:var(--ac);color:#fff}
.btn.sm{height:30px;padding:0 12px;font-size:12.5px}
.btn.ic{width:36px;padding:0}.btn.sm.ic{width:30px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--fg2)}.btn.ghost:hover{background:var(--panel2);color:var(--fg)}
.btn.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent)}
.inp,select.inp{width:100%;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--bd);background:var(--bg1);color:var(--fg);font:14px var(--font);outline:none;transition:border-color .15s,box-shadow .15s;min-width:0}
.inp:focus{border-color:var(--ac);box-shadow:0 0 0 4px var(--acbg)}
textarea.inp{height:auto;min-height:150px;padding:14px 18px;border-radius:18px;resize:vertical;line-height:1.65;font-family:var(--mono);font-size:13px}
textarea.inp.prose{font-family:var(--font);font-size:14px}
select.inp{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.inp.sm{height:34px;font-size:13px;padding:0 14px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:var(--panel2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--fg);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--bd2);cursor:pointer}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--fg);border:3px solid var(--bg)}
input[type=color]{-webkit-appearance:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--bd);padding:3px;background:var(--bg1);cursor:pointer;flex:none}
input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:0;border-radius:50%}
/* chips / segmented / toggles */
.seg{display:inline-flex;padding:3px;gap:2px;border-radius:999px;border:1px solid var(--bd);background:var(--bg1);flex-wrap:wrap}
.seg button{height:30px;padding:0 14px;border-radius:999px;border:0;background:transparent;color:var(--fg2);font:500 13px var(--font);cursor:pointer;transition:background .15s,color .15s}
.seg button:hover{color:var(--fg)}.seg button.on{background:var(--panel2);color:var(--fg);box-shadow:0 0 0 1px var(--bd2) inset}
.chk{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px 0 6px;border-radius:999px;border:1px solid var(--bd);background:var(--bg1);cursor:pointer;font-size:13px;color:var(--fg2);user-select:none;transition:border-color .15s,color .15s}
.chk input{appearance:none;-webkit-appearance:none;width:30px;height:20px;border-radius:999px;background:var(--panel2);border:1px solid var(--bd2);position:relative;cursor:pointer;transition:background .2s;margin:0}
.chk input:after{content:"";position:absolute;left:2px;top:2px;width:14px;height:14px;border-radius:50%;background:var(--fg3);transition:transform .2s var(--ease),background .2s}
.chk input:checked{background:var(--ac);border-color:var(--ac)}.chk input:checked:after{transform:translateX(10px);background:#fff}
.chk:has(input:checked){color:var(--fg);border-color:var(--bd2)}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;font-size:11.5px;border:1px solid var(--bd);color:var(--fg2);background:var(--panel)}
.tag.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 35%,transparent)}.tag.err{color:var(--err);border-color:color-mix(in srgb,var(--err) 35%,transparent)}.tag.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 35%,transparent)}
/* layout helpers */
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:8px;min-width:0}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.lbl{font-size:12.5px;color:var(--fg2);font-weight:500;display:flex;align-items:center;gap:8px;min-height:22px}
.lbl .sp{flex:1}
.hint{font-size:12.5px;color:var(--fg3)}
.err{display:none;padding:10px 16px;border-radius:14px;background:color-mix(in srgb,var(--err) 10%,transparent);border:1px solid color-mix(in srgb,var(--err) 30%,transparent);color:var(--err);font-size:13px}
.err.on{display:block}
.okm{color:var(--ok)}
.card{background:var(--panel);border:1px solid var(--bd);border-radius:22px;box-shadow:var(--sh)}
.out{position:relative;padding:14px 18px;border-radius:18px;background:var(--bg1);border:1px solid var(--bd);font:13px/1.65 var(--mono);white-space:pre-wrap;word-break:break-all;min-height:48px;max-height:520px;overflow:auto}
.kv{display:grid;grid-template-columns:auto 1fr auto;gap:0;border:1px solid var(--bd);border-radius:18px;overflow:hidden;background:var(--bg1)}
.kv>div{padding:9px 16px;border-bottom:1px solid var(--bd);min-width:0;display:flex;align-items:center}
.kv>div:nth-last-child(-n+3){border-bottom:0}
.kv .k{color:var(--fg2);font-size:12.5px;white-space:nowrap}.kv .v{font-family:var(--mono);font-size:13px;word-break:break-all}
.stat{padding:14px 16px;border-radius:18px;background:var(--bg1);border:1px solid var(--bd)}
.stat b{display:block;font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.3}.stat span{font-size:12px;color:var(--fg3)}
table.tb{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;border:1px solid var(--bd);border-radius:18px;overflow:hidden;background:var(--bg1)}
.tb th,.tb td{padding:8px 14px;text-align:left;border-bottom:1px solid var(--bd);font-variant-numeric:tabular-nums}.tb th{color:var(--fg3);font-weight:500;font-size:12px;background:var(--panel)}.tb tr:last-child td{border-bottom:0}
.scroll{overflow:auto;border-radius:18px}
/* home */
.hero{padding:72px 0 28px;text-align:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--bd);background:var(--panel);font-size:12.5px;color:var(--fg2)}
.hero .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--ac2);box-shadow:0 0 8px var(--ac2)}
.hero h1{font-size:clamp(32px,5.4vw,52px);font-weight:650;letter-spacing:-.025em;margin:18px 0 12px;line-height:1.15}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--fg) 20%,var(--ac) 60%,var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--fg2);font-size:16px}
.bigsearch{position:relative;max-width:620px;margin:32px auto 0}
.bigsearch .inp{height:54px;padding:0 120px 0 50px;font-size:15.5px;background:var(--panel);box-shadow:var(--sh)}
.bigsearch svg{position:absolute;left:19px;top:18px;color:var(--fg3)}
.bigsearch kbd{position:absolute;right:16px;top:17px}
.cats{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:22px 0 8px}
.cats button{height:32px;padding:0 15px;border-radius:999px;border:1px solid var(--bd);background:transparent;color:var(--fg2);font:500 13px var(--font);cursor:pointer;transition:.15s}
.cats button:hover{color:var(--fg);border-color:var(--bd2)}.cats button.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.cats button small{opacity:.55;margin-left:5px;font-weight:400}
.sec{margin-top:44px}.sec>h2{font-size:13px;font-weight:600;color:var(--fg2);display:flex;align-items:center;gap:10px;margin-bottom:14px;letter-spacing:.02em}
.sec>h2 small{color:var(--fg3);font-weight:400}.sec>h2:after{content:"";flex:1;height:1px;background:var(--bd)}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tc{position:relative;display:flex;gap:14px;align-items:flex-start;padding:16px 16px 16px 16px;border-radius:20px;border:1px solid var(--bd);background:var(--panel);transition:border-color .2s,background .2s,transform .2s var(--ease),box-shadow .2s}
.tc:hover{border-color:var(--bd2);background:var(--panel2);transform:translateY(-2px);box-shadow:var(--sh)}
.tc h3{font-size:14.5px;font-weight:600;margin-bottom:2px}.tc p{font-size:12.5px;color:var(--fg3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ti{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font:600 14px var(--mono);color:var(--fg);background:linear-gradient(145deg,var(--panel2),transparent);border:1px solid var(--bd);position:relative;overflow:hidden}
.ti:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 0,var(--c,rgba(139,140,255,.35)),transparent 70%);opacity:.6}
.ti span{position:relative;z-index:1}
.star{position:absolute;right:10px;top:10px;width:28px;height:28px;border-radius:50%;border:0;background:transparent;color:var(--fg3);cursor:pointer;opacity:0;transition:opacity .15s,color .15s,background .15s;display:grid;place-items:center}
.tc:hover .star,.star.on{opacity:1}.star:hover{background:var(--panel2);color:var(--fg)}.star.on{color:var(--warn)}
.empty{padding:40px;text-align:center;color:var(--fg3);border:1px dashed var(--bd);border-radius:22px}
/* tool page */
.crumb{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--fg3);padding:28px 0 18px}.crumb a:hover{color:var(--fg)}
.th{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.th .ti{width:52px;height:52px;border-radius:16px;font-size:17px}
.th h1{font-size:26px;letter-spacing:-.02em}.th p{color:var(--fg2);font-size:14px;margin-top:2px}
.th .acts{margin-left:auto;display:flex;gap:8px}
.tool{padding:22px;display:flex;flex-direction:column;gap:16px}
.doc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.doc>div{padding:22px 24px}.doc h2{font-size:14px;margin-bottom:10px}.doc p,.doc li{color:var(--fg2);font-size:13.5px;line-height:1.85}.doc ul{padding-left:18px}.doc code{padding:1px 7px;border-radius:999px;background:var(--panel2);border:1px solid var(--bd);font-size:12px}
.doc pre{margin-top:8px;padding:12px 16px;border-radius:16px;background:var(--bg1);border:1px solid var(--bd);font:12.5px/1.6 var(--mono);white-space:pre-wrap;word-break:break-all;color:var(--fg2)}
.rel{margin-top:40px}
/* page generic */
.page{padding:56px 0 20px}.page h1{font-size:34px;letter-spacing:-.025em}.page .lead{color:var(--fg2);font-size:15.5px;margin-top:8px;max-width:640px}
/* palette */
.ov{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.5);backdrop-filter:blur(3px);display:flex;justify-content:center;align-items:flex-start;padding-top:13vh;opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s}
[data-theme=light] .ov{background:rgba(20,20,30,.25)}
.ov.on{opacity:1;visibility:visible}
.pal{width:min(620px,calc(100% - 24px));border-radius:24px;background:var(--bg1);border:1px solid var(--bd2);box-shadow:0 30px 80px rgba(0,0,0,.5);overflow:hidden;transform:scale(.97) translateY(-6px);transition:transform .2s var(--ease)}
.ov.on .pal{transform:none}
.pal .ph{position:relative;padding:12px}.pal .ph svg{position:absolute;left:30px;top:26px;color:var(--fg3)}
.pal .ph .inp{height:46px;padding-left:46px;font-size:15px;background:var(--panel)}
.pal ul{list-style:none;max-height:min(52vh,440px);overflow:auto;padding:0 8px 8px}
.pal .gh{padding:10px 14px 4px;font-size:11.5px;color:var(--fg3);font-weight:500}
.pal li.it{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:999px;cursor:pointer;font-size:14px}
.pal li.it .ti{width:28px;height:28px;border-radius:9px;font-size:11px}
.pal li.it small{color:var(--fg3);margin-left:auto;font-size:12px}
.pal li.it.on{background:var(--panel2)}
.pal .pf{display:flex;gap:16px;padding:10px 18px;border-top:1px solid var(--bd);font-size:12px;color:var(--fg3)}
.toast{position:fixed;left:50%;bottom:28px;z-index:90;transform:translate(-50%,12px);padding:0 18px;height:40px;display:flex;align-items:center;gap:8px;border-radius:999px;background:var(--fg);color:var(--bg);font-size:13.5px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .2s,transform .25s var(--ease);box-shadow:0 10px 30px rgba(0,0,0,.3)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.acct{display:flex;align-items:center;gap:8px}
.av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:600;background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff}
footer.ft{margin-top:auto;padding:56px 0 32px}
footer.ft .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--bd);padding-top:22px;font-size:12.5px;color:var(--fg3)}
footer.ft a:hover{color:var(--fg)}
.fade{animation:fd .35s var(--ease) both}@keyframes fd{from{opacity:0;transform:translateY(6px)}}
.diff{font:13px/1.6 var(--mono)}.diff div{padding:0 14px;white-space:pre-wrap;word-break:break-all}.diff .a{background:rgba(74,222,128,.12);color:var(--ok)}.diff .d{background:rgba(248,113,113,.12);color:var(--err)}.diff ins{background:rgba(74,222,128,.22);text-decoration:none;border-radius:4px}.diff del{background:rgba(248,113,113,.22);border-radius:4px}
mark{background:color-mix(in srgb,var(--ac) 35%,transparent);color:inherit;border-radius:4px;padding:0 1px}
.md{font-family:var(--font);white-space:normal;line-height:1.8;font-size:14px}.md h1,.md h2,.md h3{margin:.8em 0 .4em}.md p,.md ul,.md ol,.md pre,.md blockquote,.md table{margin:.5em 0}.md ul,.md ol{padding-left:1.4em}.md pre{padding:12px 14px;border-radius:14px;background:var(--panel2);overflow:auto}.md code{background:var(--panel2);padding:1px 6px;border-radius:6px}.md pre code{background:none;padding:0}.md blockquote{border-left:3px solid var(--bd2);padding-left:12px;color:var(--fg2)}.md table{border-collapse:collapse}.md td,.md th{border:1px solid var(--bd);padding:4px 10px}.md img{max-width:100%}.md a{color:var(--ac)}
@media(max-width:860px){.g2,.doc{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1fr 1fr}.sbtn{min-width:0;width:36px;padding:0;justify-content:center}.sbtn span,.sbtn kbd{display:none}.nl.hm{display:none}.brand small{display:none}}
@media(max-width:560px){.wrap{width:calc(100% - 28px)}.hero{padding:44px 0 16px}.hero p{font-size:14.5px}.bigsearch .inp{height:50px;padding-right:20px}.bigsearch kbd{display:none}.tgrid{grid-template-columns:1fr}.tool{padding:16px}.th h1{font-size:22px}.th .ti{width:44px;height:44px}.th{flex-wrap:wrap}.th .acts{margin-left:0;width:100%}.g3{grid-template-columns:1fr}.cats{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin:18px -14px 0;padding:0 14px;scrollbar-width:none}.cats::-webkit-scrollbar{display:none}.cats button{flex:none}.kv{grid-template-columns:auto 1fr auto}.nav .wrap{gap:2px}.brand{margin-right:auto}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
select.inp.sm{padding-right:34px;background-position:right 12px center}
input[type=date].inp,input[type=time].inp,input[type=datetime-local].inp,input[type=month].inp{font-variant-numeric:tabular-nums}
::-webkit-calendar-picker-indicator{opacity:.55;cursor:pointer}[data-theme=dark] ::-webkit-calendar-picker-indicator{filter:invert(1)}
[hidden]{display:none!important}