:root{--bg:#f5f6fa;--card:#fff;--ink:#1d2030;--mut:#667;--line:#e3e6ee;--acc:#4338ca;--acc2:#6366f1;--gold:#b45309;--ok:#047857;--warn:#b45309}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.top{background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;gap:12px;align-items:center}
.brand h1{margin:0;font-size:20px;letter-spacing:-.2px}.brand p{margin:0;color:var(--mut);font-size:13px}
.logo{width:36px;height:36px;border-radius:50%;border:2px solid var(--acc);background:conic-gradient(from 0deg,transparent 0 8%,var(--acc2) 8% 9%,transparent 9% 33%,var(--acc2) 33% 34%,transparent 34% 58%,var(--acc2) 58% 59%,transparent 59%);position:relative}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:#fafbff}
.badge.ok{color:var(--ok);border-color:#a7f3d0;background:#ecfdf5}.badge.warn{color:var(--warn);border-color:#fcd9a8;background:#fffbeb}
.grid{display:grid;grid-template-columns:340px 1fr;gap:20px;padding-top:20px;padding-bottom:10px;align-items:start}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:20px;box-shadow:0 1px 2px rgba(20,20,60,.04)}
.card h2{margin:0 0 12px;font-size:16px;display:flex;align-items:center;gap:8px}
.n{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--acc);color:#fff;font-size:12px}
.drop{display:block;border:2px dashed #c7cbe0;border-radius:12px;padding:18px 12px;text-align:center;cursor:pointer;background:#fafbff;margin-bottom:10px}
.drop:hover,.drop.over{border-color:var(--acc2);background:#f0f1ff}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop strong{display:block}.drop small{color:var(--mut)}
.btn{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:9px 14px;font:inherit;cursor:pointer;font-weight:550}
.btn:hover:not(:disabled){border-color:var(--acc2)}.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff;width:100%;padding:11px}
.btn.primary:hover:not(:disabled){background:#372fb0}
.btn.ghost{background:transparent}.btn.small{padding:6px 10px;font-size:13px;margin-bottom:10px}
.btn.gold{background:#fff7ed;border-color:#f5c27d;color:#9a4a07;width:100%;padding:11px}
.btn.gold:hover:not(:disabled){background:#ffedd5;border-color:#e0993b}
#btnStop{width:100%;margin-top:8px}
.row{margin:6px 0 10px}.chk{display:flex;gap:8px;align-items:center;cursor:pointer}
.hint{color:var(--mut);display:block;font-size:12px}
.sl{margin:10px 0}.sl label{display:flex;justify-content:space-between;font-size:13px;color:#445}
.sl input{width:100%}.sl.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
output{color:var(--acc);font-weight:600}
.field{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0}
.field label{font-size:13px;color:#445}
.field input,.field select,.export input[type=number]{border:1px solid var(--line);border-radius:8px;padding:6px 8px;font:inherit;width:110px}
.targetwrap{margin-top:12px;text-align:center}
#srcView{width:160px;height:160px;border-radius:50%;border:1px solid var(--line);background:#fff}
.targetwrap small{display:block;color:var(--mut);font-size:12px}
.stage{padding:16px}
.canvaswrap{position:relative;max-width:640px;margin:0 auto}
#preview{width:100%;height:auto;aspect-ratio:1;display:block;border-radius:50%;background:#fff;box-shadow:0 0 0 1px var(--line),0 8px 28px rgba(30,30,80,.10)}
.empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--mut);padding:18% 14%}
.empty[hidden]{display:none}
.empty small{display:block;margin-top:6px}
.progress{height:6px;background:#eceef6;border-radius:99px;margin:14px auto 6px;max-width:640px;overflow:hidden}
#bar{height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .15s}
.status{text-align:center;color:var(--mut);font-size:13px;min-height:20px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
@media(max-width:700px){.stats{grid-template-columns:1fr 1fr}}
.stat{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fcfcff}
.stat span{display:block;font-size:12px;color:var(--mut)}.stat b{font-size:20px}.stat small{display:block;font-size:11px;color:var(--mut)}
.est{font-style:normal;background:#fff7ed;color:var(--gold);border:1px solid #f5c27d;border-radius:6px;padding:0 5px;font-size:10px;text-transform:uppercase;letter-spacing:.4px;margin-left:4px}
.fine{font-size:12px;color:var(--mut);margin:10px 0 0}
.exp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:700px){.exp-grid{grid-template-columns:1fr}}
.exp{border:1px solid var(--line);border-radius:12px;padding:14px;position:relative}
.exp h3{margin:4px 0 6px;font-size:15px}.exp p,.exp li{font-size:13px;color:#445}.exp ul{padding-left:18px;margin:6px 0 12px}
.exp.paid{background:linear-gradient(180deg,#fffaf3,#fff)}
.tag{display:inline-block;font-size:11px;border-radius:6px;padding:1px 7px;background:#ecfdf5;color:var(--ok);font-weight:600}.tag.gold{background:#fff7ed;color:var(--gold)}
.btns{display:flex;gap:8px;flex-wrap:wrap}
.foot{color:var(--mut);font-size:12px;padding-bottom:30px}
.modal{position:fixed;inset:0;background:rgba(20,22,40,.55);display:grid;place-items:center;z-index:9;padding:16px}.modal[hidden]{display:none}
.mbox{background:#fff;border-radius:14px;max-width:520px;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.mbox h3{margin:0 0 10px}.mbox .btns{margin:14px 0 6px}
code{background:#eef0f8;padding:1px 5px;border-radius:5px}
[hidden]{display:none!important}
.notice{margin:14px 0 0;padding:11px 16px;border-radius:10px;background:#eef2ff;border:1px solid #c7d2fe;color:#312e81;font-size:15px}
.notice .nsub{color:#4b5563;font-size:13px;margin-left:4px}
.calib{margin:10px 0 14px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fcfcff}
.calib summary{cursor:pointer;font-size:13px;font-weight:600}
.calout{font-size:13px;background:#fff7ed;border:1px solid #f5c27d;border-radius:8px;padding:7px 9px;margin-top:6px;color:#7c3a06}
.feedback textarea,.feedback input[type=email]{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px;font:inherit;margin-bottom:8px}
.feedback .fl{display:block;font-size:13px;color:#445;margin:10px 0 4px}
.feedback .btns{align-items:center}
.paidbox{margin-top:16px;padding-top:12px;border-top:1px dashed var(--line)}
.paidbox h3{margin:0 0 4px;font-size:15px}
.btn.primary{width:auto}
.exp .btn.primary{width:auto}
#btnRun.btn.primary{width:100%}
.tag{margin-left:6px}
.paidbox .btn.gold{width:auto;padding:9px 14px}
/* SEO content: How it works + FAQ */
.seo{padding-top:10px;padding-bottom:10px}
.seo .card h2{font-size:18px}
.seo ol{margin:0;padding-left:22px;max-width:90ch}.seo li{margin:0 0 8px}
.seo h3{margin:18px 0 4px;font-size:15px}.seo h3:first-of-type{margin-top:0}
.seo p{margin:0 0 6px;max-width:90ch;color:#333}