:root{--bg:#0b0f14;--panel:#121821;--line:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--brand:#22d3ee;--brand2:#a3e635;--danger:#f87171}
*{box-sizing:border-box}html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--brand)}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:rgba(11,15,20,.9);position:sticky;top:0;backdrop-filter:blur(6px);z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.logo{font-weight:800;letter-spacing:-.02em;color:#fff;text-decoration:none;font-size:20px}.logo b{color:var(--brand)}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:14px}nav a:hover{color:#fff}
main{padding:36px 0 60px}
.hero{padding:40px 0 20px}.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.1;margin:0 0 14px;letter-spacing:-.03em}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 0 22px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:22px 0}
.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;color:var(--text);text-decoration:none;transition:.15s}
.card:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:14px}
.tool{display:grid;grid-template-columns:1fr 300px;gap:24px}@media(max-width:860px){.tool{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px}
textarea,input[type=text],input[type=number],input[type=email],select{width:100%;background:#0b0f14;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px;font:14px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}
textarea{min-height:170px;resize:vertical}
.btn{display:inline-block;background:var(--brand);color:#04151a;font-weight:700;border:0;border-radius:8px;padding:10px 16px;cursor:pointer;font-size:14px;text-decoration:none}
.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.btn:hover{filter:brightness(1.1);text-decoration:none}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
.out{white-space:pre-wrap;word-break:break-word;background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:12px;font:13px/1.5 ui-monospace,Menlo,monospace;min-height:80px;max-height:420px;overflow:auto}
.stat{color:var(--brand2);font-size:13px;margin-top:8px}.err{color:var(--danger)}
.ad{background:repeating-linear-gradient(45deg,#121821,#121821 10px,#0f151d 10px,#0f151d 20px);border:1px dashed var(--line);border-radius:10px;min-height:250px;display:flex;align-items:center;justify-content:center;color:#4b5563;font-size:12px;margin:16px 0}
.ad.leader{min-height:90px}
.aff{border-left:3px solid var(--brand2)}.aff h4{margin:0 0 8px}.aff ul{padding-left:18px;margin:0}.aff li{margin:6px 0;font-size:14px}.aff small{color:var(--muted)}
.prose{max-width:760px}.prose h2{margin-top:32px}.prose p,.prose li{color:#d1d5db}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:13px}footer a{color:var(--muted);margin-right:14px}
.sub{display:flex;gap:8px}.sub input{flex:1}
.tag{display:inline-block;font-size:11px;background:#0f2a30;color:var(--brand);padding:2px 8px;border-radius:99px;margin-left:8px;vertical-align:middle}