:root{--bg:#07080b;--panel:#0e1016;--line:#1f2330;--text:#e8eaf0;--muted:#9aa1b2;--faint:#5f6678;--a:#22d3ee;--b:#a78bfa;--grad:linear-gradient(135deg,var(--a),var(--b));--mono:"JetBrains Mono",ui-monospace,monospace;--sans:"Inter",system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--sans);background-image:radial-gradient(800px 400px at 70% -10%,#22d3ee14,transparent),radial-gradient(700px 400px at 10% 0,#a78bfa14,transparent)}
a{color:inherit;text-decoration:none}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:#07080bcc;backdrop-filter:blur(8px);z-index:5}
header .wrap{display:flex;align-items:center;gap:24px;height:60px}.brand{display:flex;gap:10px;align-items:center;font-weight:700;letter-spacing:-.02em}.brand img{width:28px}.brand b{background:var(--grad);-webkit-background-clip:text;color:transparent}
nav{display:flex;gap:18px;margin-left:auto;font-size:14px;color:var(--muted)}nav a:hover{color:var(--text)}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.hero{padding:72px 0 28px;text-align:center}.hero h1{font-size:clamp(34px,5vw,56px);letter-spacing:-.035em;line-height:1.05;margin:14px 0}.hero h1 span{background:var(--grad);-webkit-background-clip:text;color:transparent}.hero p{color:var(--muted);max-width:560px;margin:0 auto}
form.search{display:flex;max-width:640px;margin:28px auto 16px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:6px;box-shadow:0 0 0 1px #22d3ee10,0 10px 40px #0008}
form.search input{flex:1;background:none;border:0;color:var(--text);font:16px var(--sans);padding:12px 14px;outline:none}
.btn{background:var(--grad);color:#05060a;border:0;border-radius:10px;padding:10px 18px;font-weight:600;cursor:pointer;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chip{font-family:var(--mono);font-size:12px;border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:6px 11px;border-radius:999px;cursor:pointer}.chip:hover{border-color:var(--a);color:var(--text)}
section{padding:28px 0}h2{font-size:20px;letter-spacing:-.02em;margin:6px 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px;transition:.15s}.card:hover{border-color:#2f3546;transform:translateY(-1px)}
.card h3{margin:0;font-size:17px;display:flex;align-items:center;gap:10px}.av{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font:600 11px var(--mono);background:#161a24;border:1px solid var(--line);color:var(--a)}
.card p{margin:0;color:var(--muted);font-size:14px}.meta{display:flex;gap:6px;flex-wrap:wrap}.tag{font:11px var(--mono);border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--muted)}
.card .go{margin-top:auto;font:12px var(--mono);color:var(--a)}.rank{font:11px var(--mono);color:var(--b);margin-left:auto}
.spon{border-color:#a78bfa55;background:linear-gradient(#0e1016,#0e1016) padding-box,var(--grad) border-box;border:1px solid transparent}.spon .lbl{font:10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#05060a;background:var(--grad);padding:2px 7px;border-radius:5px;margin-left:auto}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.cats a{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.cats a:hover{border-color:var(--a)}.cats small{display:block;color:var(--faint);font-family:var(--mono);font-size:11px;margin-top:4px}
footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;color:var(--faint);font-size:13px}
.prose{max-width:680px}.prose p{color:var(--muted)}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}input.f,textarea.f,select.f{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px;font:14px var(--sans)}
.empty{color:var(--muted)}

.lead{color:var(--muted);max-width:640px;margin:-6px 0 22px}code{font-family:var(--mono);font-size:13px;color:var(--a)}.prose h2{margin-top:26px}.prose a{color:var(--a)}.hero .btn{display:inline-block;margin-top:12px}
@media (max-width:760px){header .wrap{height:auto;flex-wrap:wrap;gap:8px;padding-top:10px;padding-bottom:8px}nav{margin-left:0;width:100%;overflow-x:auto;white-space:nowrap;gap:16px;padding-bottom:4px;scrollbar-width:none}nav::-webkit-scrollbar{display:none}.hero{padding-top:40px}form.search{flex-direction:column}form.search .btn{width:100%}}

/* ads */
.lbl{font:10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#05060a;background:var(--grad);padding:2px 7px;border-radius:5px;white-space:nowrap}
.spon{position:relative;background:linear-gradient(var(--panel),var(--panel)) padding-box,linear-gradient(135deg,#22d3ee66,#a78bfa66) border-box;border:1px solid transparent}
.spon-top{display:flex;justify-content:space-between;align-items:center}.spon .lbl{margin-left:0}.spon-av{color:var(--b)}
.adbanner{display:flex;align-items:center;gap:18px;margin:8px 0 0;padding:16px 20px;border-radius:14px;background:linear-gradient(90deg,#22d3ee12,#a78bfa14),var(--panel);border:1px solid #2a3040}
.adbanner:hover{border-color:#3a4258}.adb-body{flex:1;display:flex;flex-direction:column}.adb-body span{color:var(--muted);font-size:14px}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--text)}
.catwrap{display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:start}.catwrap aside{position:sticky;top:80px;display:flex;flex-direction:column;gap:14px}
.adside{display:flex;flex-direction:column;gap:8px;padding:16px;border-radius:12px;border:1px dashed #3a4258;background:var(--panel)}.adside .lbl{align-self:flex-start}.adside p{margin:0;color:var(--muted);font-size:13px}.adside .go{font:12px var(--mono);color:var(--a)}
.adinline{display:none}
@media (max-width:860px){.catwrap{grid-template-columns:1fr}.catwrap aside{position:static}}
/* newsletter */
form.nl{display:flex;flex-wrap:wrap;gap:8px;width:100%;max-width:480px;min-width:0}form.nl input{flex:1 1 160px;min-width:0;width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--text);padding:11px 12px;font:14px var(--sans)}form.nl .btn{flex:0 0 auto;white-space:nowrap;max-width:100%}.nlbox>*,.foot-nl>*{min-width:0}form.nl input:focus{outline:none;border-color:var(--a)}
.nl-msg{margin:8px 0 0;text-transform:none;letter-spacing:0}.nl-msg.ok{color:var(--a)}
.nlbox{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;padding:26px;border-radius:16px;border:1px solid var(--line);background:radial-gradient(500px 200px at 100% 0,#a78bfa1c,transparent),var(--panel)}.nlbox h2{margin:4px 0 6px}.nlbox p{color:var(--muted);margin:0}
.foot-nl{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-bottom:18px;margin-bottom:16px;border-bottom:1px solid var(--line)}.foot-nl p{margin:2px 0 0}.foot-nl b{color:var(--text)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.features div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.features p{color:var(--muted);font-size:14px;margin:6px 0 0}
/* advertise mockups */
.place{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding:22px 0;border-top:1px solid var(--line)}.place p{color:var(--muted)}
.mock{border:1px solid var(--line);border-radius:12px;background:var(--bg);padding:14px;display:flex;flex-direction:column;gap:8px}.mock .bar{height:8px;border-radius:4px;background:#1a1e29}.mock .row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.mock .c{height:46px;border-radius:7px;background:#141823;border:1px solid var(--line)}.mock .hl{border:1px solid transparent;background:linear-gradient(#141823,#141823) padding-box,var(--grad) border-box;position:relative}.mock .hl::after{content:"SPONSORED";position:absolute;top:4px;left:5px;font:8px var(--mono);color:var(--b);letter-spacing:.1em}.mock .ban{height:34px}.mock .split{display:grid;grid-template-columns:3fr 1fr;gap:6px}.mock .side{height:100px}
ul.check{padding-left:18px;color:var(--muted)}ul.check li{margin:4px 0}
@media (max-width:760px){.nlbox,.place,.features{grid-template-columns:1fr}.foot-nl{flex-direction:column;align-items:flex-start}.adbanner{flex-direction:column;align-items:flex-start}}

/* use cases */
.ucnav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}.ucnav a{font:12px var(--mono);border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:6px 11px;border-radius:999px}.ucnav a:hover{border-color:var(--a);color:var(--text)}
.ucgroup{padding-top:30px;scroll-margin-top:70px}.ucgroup h2{font-size:24px}
.cite{font:11px var(--mono);color:var(--a);white-space:normal}.cite:hover{text-decoration:underline}
.uc .stat{border-left:2px solid var(--b);padding:2px 0 2px 10px}.uc .stat p{color:var(--text);font-size:13.5px;margin:4px 0}.uc .tools div{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.tchip{font:12px var(--mono);border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--text)}.tchip:hover{border-color:var(--a)}
.uc .go{font:12px var(--mono);color:var(--a)}.go{font:12px var(--mono);color:var(--a)}
.cite-s{font:11px var(--mono);color:var(--faint);margin-top:auto}
.chips{height:72px;overflow:hidden;align-content:flex-start;padding:2px}.chips .chip{white-space:nowrap;max-width:100%;text-overflow:ellipsis;overflow:hidden;transition:opacity .35s,filter .35s,transform .35s,border-color .3s,box-shadow .3s}.chips .chip:hover,.chips .chip:focus-visible{border-color:var(--a);color:var(--text);box-shadow:0 0 14px #22d3ee33;outline:none}
.chips .chip.out{opacity:0;filter:blur(4px);transform:translateY(-8px)}
.chips .chip.in{animation:chipin .7s ease-out;color:var(--a);border-color:transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--grad) border-box;box-shadow:0 0 16px #22d3ee40,0 0 22px #a78bfa26}
@keyframes chipin{0%{opacity:0;transform:translateY(8px);filter:blur(3px)}40%{opacity:1;filter:blur(0)}100%{transform:none}}
@media(max-width:600px){.chips{height:112px}}
@media(prefers-reduced-motion:reduce){.chips .chip{transition:none;animation:none}}

/* ===== BEGIN use-case modal + favorites (uc.js) ===== */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ucx{cursor:pointer;min-width:0}.ucx:focus-within{border-color:#2f3546}
.uc-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.uc-open{all:unset;cursor:pointer;font:inherit;font-weight:600}.uc-open:hover{color:var(--a)}.uc-open:focus-visible,.uc-fav:focus-visible,.uc-favtab:focus-visible,.ucm button:focus-visible,.ucm a:focus-visible,.ucm-prompt:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.uc-cta{all:unset;cursor:pointer;margin-top:auto;font:12px var(--mono);color:var(--a)}
.uc-fav,.uc-favtab,.ucm-bar button{background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:8px;cursor:pointer;font:13px var(--sans);min-height:36px;padding:4px 10px}
.uc-fav{min-width:40px;font-size:17px;line-height:1}.uc-fav.on,.ucm-fav.on{color:#f472b6;border-color:#f472b655}
.uc-favtab{font:12px var(--mono);border-radius:999px;min-height:30px}.uc-favtab[aria-pressed=true]{border-color:#f472b6;color:var(--text)}
.uc-count{display:inline-block;min-width:18px;padding:0 5px;margin-left:4px;border-radius:999px;background:#f472b622;color:#f9a8d4;text-align:center}
.uc-empty{border:1px dashed var(--line);border-radius:12px;padding:18px;color:var(--muted);margin:14px 0}
html.ucm-lock,html.ucm-lock body{overflow:hidden}
.ucm{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px}.ucm[hidden]{display:none}
.ucm-bd{position:absolute;inset:0;background:#000b;backdrop-filter:blur(3px)}
.ucm-dlg{position:relative;width:min(680px,100%);max-height:calc(100vh - 48px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 60px #000c;animation:ucmin .18s ease-out;overscroll-behavior:contain}
.ucm-bar{position:sticky;top:0;display:flex;gap:8px;justify-content:flex-end;padding:12px 14px;background:var(--panel);border-bottom:1px solid var(--line);z-index:1}
.ucm-x{font-size:16px!important;min-width:40px}
.ucm-body{padding:6px 22px 24px}.ucm-body h2{margin:6px 0 12px;font-size:22px;letter-spacing:-.02em}.ucm-body h3{font-size:15px;margin:18px 0 6px}
.ucm-meta{display:grid;gap:10px;margin:0 0 14px}.ucm-meta dt{font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--faint)}.ucm-meta dd{margin:2px 0 0;color:var(--text)}
.uc-tool{color:var(--a)}.uc-afflbl{font:10px var(--mono);color:var(--faint)}
.ucm-ph{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.ucm-copy{background:var(--grad);color:#05060a;border:0;border-radius:8px;padding:8px 14px;font:600 13px var(--sans);cursor:pointer;min-height:36px}.ucm-copy.ok{background:#4ade80}
.ucm-prompt{margin:8px 0 0;background:#07080b;border:1px solid var(--line);border-radius:10px;padding:14px;white-space:pre-wrap;word-break:break-word;font:13px/1.6 var(--mono);color:#d7dbe6;max-height:42vh;overflow:auto}
.ucm-steps{margin:0;padding-left:20px;color:var(--muted)}.ucm-steps li{margin:4px 0}
.ucm-src{margin-top:16px;border-left:2px solid var(--b);padding:2px 0 2px 10px}.ucm-src p{margin:4px 0;font-size:13.5px}.ucm-src a{color:var(--a);font-size:13px}
@keyframes ucmin{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:640px){.ucm{padding:0;place-items:stretch}.ucm-dlg{width:100%;max-height:none;height:100%;height:100dvh;border-radius:0;border:0}.ucm-body{padding:6px 16px 32px}.ucm-prompt{max-height:none}}
@media(prefers-reduced-motion:reduce){.ucm-dlg{animation:none}.ucx{transition:none}}
/* ===== END use-case modal + favorites ===== */

[data-ad]:empty,[data-ad][hidden]{display:none!important}.adv-line{font-size:12px;color:var(--faint);padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line);line-height:1.5}.adv-line a{color:var(--faint);text-decoration:none;border-bottom:1px dotted currentColor}.adv-line a:hover{color:var(--muted)}
.reqs{list-style:none;margin:0;padding:8px 0 0;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:5px}.reqs li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}.reqs .rl{flex:1;min-width:0}.reqs .rv{font:11px var(--mono);white-space:nowrap}
.ri{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:5px;font:600 11px var(--mono);flex:none;border:1px solid var(--line)}
.rq-yes .ri,.rq-yes .rv{color:#3ddc97}.rq-yes .ri{border-color:#1f5a43;background:#0c1f18}.rq-partial .ri,.rq-partial .rv{color:#f5c451}.rq-partial .ri{border-color:#5a4a1f;background:#1f1a0c}.rq-no .ri,.rq-no .rv{color:#ff7a7f}.rq-no .ri{border-color:#5a2427;background:#1f0c0e}.rq-unknown .ri,.rq-unknown .rv{color:var(--faint)}
.reqtab{margin:0 0 16px;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.reqtab table{border-collapse:collapse;width:100%;font-size:13px;min-width:420px}.reqtab caption{text-align:left;padding:10px 12px 4px;color:var(--muted);font-size:11px}
.reqtab th,.reqtab td{padding:8px 12px;border-top:1px solid var(--line);text-align:left;white-space:nowrap}.reqtab thead th{font:600 12px var(--mono);color:var(--muted)}.reqtab tbody th{font-weight:500;color:var(--text);white-space:normal;min-width:130px}.reqtab td{font:12px var(--mono)}.reqtab td.rq-yes{color:#3ddc97}.reqtab td.rq-partial{color:#f5c451}.reqtab td.rq-no{color:#ff7a7f}.reqtab td.rq-unknown{color:var(--faint)}
.reqnote{margin:0;padding:6px 12px 10px;color:var(--faint);font-size:11px;white-space:normal}
.rq-na .ri,.rq-na .rv{color:var(--faint)}.reqtab td.rq-na{color:var(--faint)}