:root {
  --navy: #0A2A66;
  --blue: #1E5BD6;
  --ink: #1a1a1a;
  --line: #e3e8ef;
  --bg: #f5f7fb;
  --danger: #c0392b;
  --ok: #1e8a4c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Inter, system-ui, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.topbar {
  background: var(--navy);
  color: #fff;
  padding: 18px 32px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .5px;
}
.container { max-width: 760px; margin: 0 auto; padding: 32px 20px 80px; }
.hero { text-align: center; margin-bottom: 24px; }
.hero h1 { color: var(--navy); margin: 0 0 6px; font-size: 30px; }
.hero p { color: #5a6473; margin: 0; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px 32px;
}
fieldset { border: none; padding: 16px 0; margin: 0; border-top: 1px solid var(--line); }
fieldset:first-of-type { border-top: none; }
legend { color: var(--navy); font-weight: 600; font-size: 15px; padding: 0; margin-bottom: 12px; }
label { display: block; margin: 10px 0; font-size: 14px; color: #344; }
input, select {
  display: block; width: 100%; margin-top: 6px;
  padding: 10px 12px; font-size: 14px;
  border: 1px solid var(--line); border-radius: 6px; background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
.upload-row { display: flex; align-items: center; gap: 16px; margin: 12px 0; }
.upload { flex: 0 0 240px; margin: 0; }
.upload-status { font-size: 14px; min-height: 20px; }
.ok { color: var(--ok); }
.err { color: var(--danger); }
.hint { font-size: 13px; color: #5a6473; margin: 8px 0 4px; }
.dl { color: var(--blue); font-weight: 600; text-decoration: none; }
.dl:hover { text-decoration: underline; }
button {
  margin-top: 16px; width: 100%; padding: 14px;
  background: var(--blue); color: #fff; border: none; border-radius: 6px;
  font-size: 16px; font-weight: 600; cursor: pointer;
}
button:hover { background: var(--navy); }
button:disabled { opacity: .6; cursor: default; }
.form-error { color: var(--danger); margin-top: 12px; font-size: 14px; }
.success { text-align: center; }
.success h2 { color: var(--navy); margin-top: 0; }
.ref { font-family: monospace; font-size: 18px; color: var(--blue); }
.hidden { display: none; }