:root{
  --brand:#A2AC87;
  --brand-dark:#6d7757;
  --ink:#22301f;
  --muted:#5b6656;
  --bg:#f7f8f3;
  --card:#ffffff;
  --line:#e2e6d8;
  --warn-bg:#fdf6e9;
  --warn-line:#ecd9ac;
  --radius:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.55;
}
.wrap{max-width:680px;margin:0 auto;padding:20px 16px 48px}
header.site{display:flex;align-items:center;gap:10px;padding:6px 0 14px}
.logo{width:38px;height:38px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;flex:0 0 auto}
header.site .name{font-weight:700;font-size:17px}
header.site .place{color:var(--muted);font-size:13px}
h1{font-size:28px;line-height:1.2;margin:8px 0 10px}
h2{font-size:21px;margin:0 0 8px}
p{margin:0 0 12px}
.lede{color:var(--muted);font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;margin:16px 0;box-shadow:0 1px 3px rgba(34,48,31,.05)}
.step-tag{display:inline-block;background:var(--brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:3px 10px;margin-bottom:10px}
.btn{
  display:block;width:100%;text-align:center;border:0;border-radius:12px;cursor:pointer;
  background:var(--brand-dark);color:#fff;font-size:17px;font-weight:600;padding:15px 18px;margin:12px 0;
  text-decoration:none;
}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:#fff;color:var(--brand-dark);border:2px solid var(--brand)}
.btn:disabled{opacity:.55;cursor:wait}
.btn.small{font-size:15px;padding:12px 14px}
.tips{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:12px 14px;font-size:14px}
.tips ul{margin:6px 0 0;padding-left:18px}
.tips li{margin:3px 0}
.privacy{display:flex;gap:8px;align-items:flex-start;background:#eef1e6;border-radius:12px;padding:12px 14px;font-size:14px;color:var(--ink)}
.file-row{margin:14px 0}
input[type=file]{width:100%;font-size:15px;padding:12px;border:2px dashed var(--brand);border-radius:12px;background:#fbfcf8}
.loading{display:none;align-items:center;gap:12px;padding:14px 4px;color:var(--muted);font-size:15px}
.loading.on{display:flex}
.spinner{width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:3px solid var(--line);border-top-color:var(--brand-dark);animation:spin 0.9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.canvas-wrap{display:none;margin:14px 0}
.canvas-wrap.on{display:block}
canvas{width:100%;height:auto;border-radius:12px;display:block;background:#ddd}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted);margin-top:8px}
.legend span::before{content:"";display:inline-block;width:14px;height:4px;border-radius:2px;margin-right:6px;vertical-align:middle;background:var(--c,#999)}
.error{display:none;background:#fdeeee;border:1px solid #f2c1c1;color:#7a2a2a;border-radius:12px;padding:14px;font-size:15px;margin:12px 0}
.error.on{display:block}
.progress{display:none;height:10px;background:var(--line);border-radius:999px;overflow:hidden;margin:4px 0 10px}
.progress.on{display:block}
.progress-fill{height:100%;width:0%;background:var(--brand-dark);border-radius:999px;transition:width .15s ease}
.video-wrap{display:none;margin:14px 0}
.video-wrap.on{display:block}
.video-stage{position:relative;border-radius:12px;overflow:hidden;background:#000;line-height:0}
.video-stage video{width:100%;height:auto;display:block}
.video-stage canvas{position:absolute;left:0;top:0;width:100%;height:100%;background:transparent;border-radius:0;pointer-events:none}
.findings{list-style:none;margin:0 0 6px;padding:0}
.findings li{padding:10px 12px;border:1px solid var(--line);border-radius:12px;margin:0 0 8px;background:#fbfcf8;font-size:15px}
.findings li b{color:var(--brand-dark)}
.disclaimer{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:16px}
footer.site{color:var(--muted);font-size:13px;text-align:center;padding:18px 0 4px}
[hidden]{display:none !important}