:root{
  --primary:#e5322d;
  --primary-dark:#c92420;
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --soft:#fff4f4;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:linear-gradient(180deg,#fff 0%,#fafbff 35%,var(--bg) 100%);
  color:var(--text);
}
.container{max-width:980px;margin:24px auto;padding:16px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  box-shadow:0 12px 30px rgba(17,24,39,.08);
}
h1{margin:0 0 18px;text-align:center;font-size:32px;letter-spacing:-.04em}
.drop-zone{
  border:2px dashed #d6dbe3;
  border-radius:18px;
  padding:28px;
  text-align:center;
  background:#fafafa;
  cursor:pointer;
  transition:.2s ease;
}
.drop-zone.dragover{border-color:var(--primary);background:var(--soft)}
.drop-zone input{display:none}
.info,.file-list{margin-top:14px;font-size:14px;color:var(--muted)}
.options{margin-top:16px;display:grid;gap:10px}
.options label{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fcfcfd}
button{
  width:100%;
  padding:13px 16px;
  background:var(--primary);
  border:none;
  color:#fff;
  font-size:16px;
  font-weight:700;
  border-radius:14px;
  cursor:pointer;
  margin-top:16px;
  box-shadow:0 12px 22px rgba(229,50,45,.18);
}
button:hover{background:var(--primary-dark)}
button:disabled{opacity:.6;cursor:not-allowed}
.loader,.download{display:none;margin-top:16px}
.privacy{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  text-align:center;
  line-height:1.6;
}
@media (max-width:640px){
  .container{padding:12px;margin:0}
  .card{padding:18px;border-radius:18px}
  h1{font-size:26px}
  .drop-zone{padding:22px}
}