:root{--bg:#fffaf5;--fg:#2b2320;--muted:#6b5e57;--card:#fff;--line:#eadfd6;--accent:#c2410c;--accent2:#9a3412;--soft:#fdeee3;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--accent2)}
img,canvas{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;text-decoration:none;color:var(--fg);font-size:18px}
.brand img{width:28px;height:28px}
nav.main{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
nav.main a{text-decoration:none;color:var(--muted);padding:4px 0}
nav.main a[aria-current=page]{color:var(--accent2);font-weight:700;border-bottom:2px solid var(--accent)}
.hero{padding:22px 0 6px}
h1{font-size:clamp(26px,4.2vw,40px);line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
.lede{color:var(--muted);margin:0 0 14px;max-width:820px}
.tool{display:grid;grid-template-columns:330px 1fr;gap:18px;align-items:start}
.tool>*{min-width:0}
@media (max-width:860px){.tool{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.drop{display:block;border:2px dashed #e3b58f;background:var(--soft);border-radius:12px;padding:16px;text-align:center;cursor:pointer;font-weight:600}
.drop.drag{background:#fbd9bf}
.drop small{display:block;font-weight:400;color:var(--muted);margin-top:4px}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.thumb{display:none;margin-top:10px;max-height:140px;border-radius:8px;margin-inline:auto}
.field{margin:14px 0 0}
.field label{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:4px}
.field output{font-weight:700;color:var(--accent2)}
.field input[type=range]{width:100%;accent-color:var(--accent)}
select,input[type=number]{width:100%;padding:8px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
.check{display:flex;gap:8px;align-items:center;font-size:14px;margin-top:10px}
.hint{font-size:13px;color:var(--muted);margin:4px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:10px;padding:12px 16px;font:700 16px/1 inherit;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;width:100%;margin-top:16px}
.btn-primary:hover{background:var(--accent2)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed}
.btn-sec{background:#fff;border:1px solid var(--line);color:var(--fg);font-size:14px;padding:10px 12px}
.btn-sec:disabled{opacity:.5;cursor:not-allowed}
.linkbtn{background:none;border:0;color:var(--accent2);text-decoration:underline;cursor:pointer;font:inherit;padding:0}
.preview{min-height:280px}
.empty{display:flex;align-items:center;justify-content:center;min-height:260px;color:var(--muted);text-align:center;padding:20px}
.chartbox{overflow:auto;max-height:72vh;border:1px solid var(--line);border-radius:10px;background:#fff}
#chart{display:block;image-rendering:pixelated;max-width:none}
.stats{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted);margin:10px 0}
.stats b{color:var(--fg)}
.dl{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.viewopts{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;margin-bottom:8px}
.legend{width:100%;border-collapse:collapse;font-size:14px;margin-top:8px}
.legend th,.legend td{border-bottom:1px solid var(--line);padding:5px 6px;text-align:left}
.legend td.n{text-align:right;font-variant-numeric:tabular-nums}
.sw{display:inline-block;width:22px;height:22px;border-radius:4px;border:1px solid rgba(0,0,0,.2);vertical-align:middle;text-align:center;font:700 13px/20px monospace}
details.rows{margin-top:12px}
details.rows pre{max-height:320px;overflow:auto;background:#faf6f2;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:13px;white-space:pre-wrap}
.upsell{margin-top:14px;background:var(--soft);border:1px dashed #e3b58f;border-radius:12px;padding:12px;font-size:14px}
.ad-slot{display:none}
section.sec{padding:26px 0 4px}
h2{font-size:26px;margin:0 0 10px;letter-spacing:-.01em}
h3{font-size:18px;margin:14px 0 4px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;padding:0;list-style:none;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;counter-increment:s}
.steps li:before{content:counter(s);display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;align-items:center;justify-content:center;font-weight:800;margin-bottom:6px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}
.faq summary{font-weight:700;cursor:pointer}
.prose{max-width:820px}
footer{margin-top:40px;border-top:1px solid var(--line);background:#fff;padding:20px 0;font-size:14px;color:var(--muted)}
footer a{color:var(--muted);margin-right:14px}
.busy{opacity:.6;pointer-events:none}
[hidden]{display:none!important}