:root{--accent: #6366f1;--bg: #0b0f1a;--bg2: #121829;--panel: #151c30;--line: #243049;--text: #e6eaf2;--muted: #93a0b8;--best: #1f7a4d;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text)}body{background:radial-gradient(1100px 520px at 50% -8%,#1b2440 0,var(--bg) 60%) no-repeat,var(--bg);min-height:100vh}.wrap{max-width:980px;margin:0 auto;padding:28px 20px 80px}.muted{color:var(--muted)}.error{background:#2a1620;border:1px solid #5b2740;color:#ffb4c4;padding:12px 16px;border-radius:10px}.hero{text-align:center;padding:36px 0 26px}.brand{letter-spacing:.35em;font-weight:700;color:var(--muted);font-size:13px}.hero h1{font-size:44px;margin:8px 0 10px;background:linear-gradient(90deg,#fff,#9aa6c4);-webkit-background-clip:text;background-clip:text;color:transparent}.sub{color:var(--muted);max-width:620px;margin:0 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12px}.blurb{color:var(--muted);line-height:1.65;max-width:760px}.gh{display:inline-block;margin-top:10px;color:var(--accent);text-decoration:none;font-weight:600;font-size:14px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:20px}.panel h2{margin:0 0 16px;font-size:18px}.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.ctl{display:flex;flex-direction:column;gap:6px;font-size:14px}.ctl>span{color:#c4cde2;font-weight:600;font-size:13px}.ctl small{color:var(--muted);font-size:12px;line-height:1.4}.ctl-wide{grid-column:1 / -1}.ctl-check{flex-direction:row;align-items:center;gap:9px}.ctl textarea{resize:vertical;font-family:inherit;line-height:1.5}.run{margin-top:18px;background:var(--accent);color:#fff;border:none;padding:11px 22px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:filter .12s}.run:hover{filter:brightness(1.08)}.run:disabled{opacity:.6;cursor:progress}.result .summary{font-size:16px;line-height:1.6;background:var(--bg2);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 8px 8px 0}.tablewrap{margin-top:18px;overflow-x:auto}.tablewrap h3,.chart h3,.detail strong{font-size:14px;color:#c4cde2;margin:0 0 8px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}td.best{color:#6ee7a8;font-weight:700}.chart{margin-top:22px}.chart-svg{width:100%;height:auto;background:var(--bg2);border:1px solid var(--line);border-radius:10px}.gridline{stroke:var(--line);stroke-width:1}.chart .axis{stroke:#3a486a;stroke-width:1.2}.ytick,.xtick{fill:var(--muted);font-size:11px}.ylabel{fill:var(--muted);font-size:12px}.legend{display:flex;gap:16px;margin-top:10px;font-size:13px;color:var(--muted)}.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}.detail{margin-top:16px}.detail pre{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;color:#cdd6ea}.meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}.meta b{color:#c4cde2}@media (max-width: 560px){.hero h1{font-size:34px}.phead h1{font-size:28px}.wrap{padding:18px 14px 60px}}