:root{--bg:#0b0e14;--panel:#141925;--panel-2:#1b2230;--border:#232b3a;--text:#e6e9ef;--muted:#93a0b4;--accent:#4ade80;--accent-2:#38bdf8;--danger:#f87171;--radius:10px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:radial-gradient(1100px 520px at 82% -12%,#18243622,transparent),var(--bg);color:var(--text);font:15px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}.mono,code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(11,14,20,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.nav{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 20px}.brand{font-weight:700;font-size:18px;color:var(--text);letter-spacing:.3px}.brand b{color:var(--accent)}.nav a.navlink{color:var(--muted);font-size:14px}.nav a.navlink:hover{color:var(--text);text-decoration:none}.nav .spacer{flex:1 1}.container{max-width:960px;margin:0 auto;padding:26px 20px 50px}.hero{padding:22px 0 10px}.hero h1{font-size:32px;margin:0 0 8px;letter-spacing:-.4px}.hero p{color:var(--muted);margin:0 0 18px;max-width:560px}h1{font-size:24px}h2{font-size:16px;margin:30px 0 12px}.muted{color:var(--muted)}.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.btn{display:inline-block;cursor:pointer;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:9px 15px;border-radius:8px;font-size:14px;font-weight:500}.btn:hover{border-color:var(--accent);text-decoration:none}.btn-primary{background:var(--accent);color:#06210f;border-color:transparent}.btn-primary:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}label{font-size:13px;color:var(--muted)}input,select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px 11px;font-size:14px;width:100%}.field{display:grid;grid-gap:6px;gap:6px;margin-bottom:12px}.form{max-width:420px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--border)}.badge.ok{color:var(--accent);border-color:#2b5b3e;background:#10241a}.badge.run{color:var(--accent-2);border-color:#244b63;background:#0f2230}.badge.bad{color:var(--danger);border-color:#5b2b2b;background:#2a1414}.controls{display:flex;gap:8px;align-items:center;margin-top:12px}.controls input[type=range]{flex:1 1}.legend{display:flex;gap:14px;margin-top:10px;flex-wrap:wrap;font-size:13px}.list{list-style:none;padding:0;margin:0;display:grid;grid-gap:8px;gap:8px}.list a{color:var(--text)}.rules{line-height:1.65;max-width:760px}.rules h2{font-size:18px;margin:28px 0 10px;padding-top:16px;border-top:1px solid var(--border)}.rules h2:first-child{border-top:none;padding-top:0;margin-top:8px}.rules h3{font-size:15px;margin:18px 0 8px}.rules li,.rules p{color:#c7cfdb}.rules ul{padding-left:20px}.rules code{background:var(--panel-2);padding:1px 5px;border-radius:5px;font-size:13px}.rules pre{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px;overflow:auto}.rules pre code{background:none;padding:0;font-size:12.5px;line-height:1.5}.rules table{margin:8px 0 6px}textarea.code{width:100%;min-height:360px;background:#0a0d13;color:#dbe3ef;border:1px solid var(--border);border-radius:8px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.5;resize:vertical;white-space:pre;-moz-tab-size:2;tab-size:2}.tabs{display:flex;gap:6px;margin-bottom:10px}.tab{padding:6px 13px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--muted);cursor:pointer;font-size:13px}.tab.active{color:var(--text);border-color:var(--accent)}footer{border-top:1px solid var(--border);color:var(--muted);font-size:13px;padding:18px 20px;max-width:960px;margin:40px auto 0}