:root {
  --bg: #f6f8ff;
  --text: #1a2040;
  --muted: #5c6488;
  --line: #d9def7;
  --card: #ffffff;
  --blue: #5f6fff;
  --cyan: #1cc8ff;
  --green: #58cc6d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(900px 460px at 0% -10%, #dfe6ff 0%, transparent 60%), radial-gradient(900px 500px at 100% -20%, #dff7ff 0%, transparent 58%), var(--bg);
}
.wrap { width: min(100% - 1.2rem, 860px); margin: 0 auto; padding: 1rem 0 2.5rem; }
.top { margin: .4rem 0 .9rem; }
.brand { font-weight: 800; letter-spacing: -.02em; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1rem;
  box-shadow: 0 14px 28px rgba(47,67,153,.12), inset 0 1px 0 rgba(255,255,255,.9);
}
h1 { margin: .1rem 0 .55rem; font-size: clamp(1.5rem, 4.2vw, 2.4rem); line-height: 1.1; }
h2 { margin: 0 0 .5rem; font-size: 1.1rem; }
.lead { color: var(--muted); margin: 0 0 .9rem; }
label { display: block; font-weight: 700; margin: .7rem 0 .35rem; }
input, select {
  width: 100%;
  padding: .82rem .9rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  font: inherit;
  background: #fff;
}
input:focus, select:focus { outline: none; border-color: #7f8bff; box-shadow: 0 0 0 3px rgba(95,111,255,.16); }
small, .muted { color: var(--muted); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.help, .steps {
  background: #f8fbff;
  border: 1px dashed #c8d7ff;
  border-radius: 14px;
  padding: .85rem;
  margin-top: .8rem;
}
.steps ol { margin: .4rem 0 .3rem 1rem; padding: 0; }
.steps li { margin: .35rem 0; color: var(--muted); }
.auth-switch { display: grid; gap: .4rem; margin-top: .6rem; }
.radio {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .62rem;
  background: #fff;
}
.radio input { width: auto; margin-top: .1rem; }
.btn {
  width: 100%;
  margin-top: 1rem;
  border: none;
  border-radius: 16px;
  padding: .92rem 1.1rem;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(96deg, var(--blue), var(--cyan));
  box-shadow: 0 6px 0 #3f4ad8, 0 14px 24px rgba(72,89,214,.35);
}
.btn:active { transform: translateY(2px); box-shadow: 0 4px 0 #3f4ad8, 0 8px 18px rgba(72,89,214,.32); }
.progress { display:none; margin-top:1rem; }
.bar { height:16px; background:#eef2ff; border-radius:999px; overflow:hidden; border:1px solid var(--line); }
.fill { height:100%; width:0%; background: linear-gradient(90deg, var(--green), #3de2b8); transition: width .4s linear; }
.status { font-weight:700; margin:.55rem 0 .2rem; }
.report { display:none; margin-top:1rem; }
.report ul { margin:.35rem 0 .7rem; }
.pdfbox { background:#f8fbff; border:1px solid var(--line); border-radius:14px; padding:.8rem; }
@media (max-width: 700px) {
  .wrap { width: min(100% - .8rem, 860px); }
  .card { border-radius: 18px; padding: .85rem; }
  .row { grid-template-columns: 1fr; }
}