:root {
  --navy: #0f2438;
  --accent: #1f6feb;
  --line: #d8dee6;
  --bg: #f4f6f9;
  --err: #b00020;
  --ok: #0a7d33;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: #16202b; background: var(--bg); }

.topbar { display: flex; justify-content: space-between; align-items: center;
  background: var(--navy); color: #fff; padding: 12px 20px; }
.topbar a { color: #bcd4ff; }
.brand { font-weight: 600; }
.who { font-size: 13px; opacity: .9; }

.wrap { max-width: 860px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 22px 24px; margin-bottom: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.step h2 { margin-top: 0; }
.hint { color: #5a6675; font-size: 14px; }
.hidden { display: none; }

fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 14px 0; padding: 12px 16px; }
legend { font-weight: 600; padding: 0 6px; color: var(--navy); }

.chk { display: flex; gap: 10px; align-items: center; padding: 6px 0; cursor: pointer; }
.chk input { width: 18px; height: 18px; }

.field { display: flex; flex-direction: column; gap: 4px; margin: 10px 0; }
.field.wide { grid-column: 1 / -1; }
#fieldsForm fieldset { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
#fieldsForm legend { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: #33414f; }
.req { color: var(--err); }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 6px; background: #fff; }
textarea { min-height: 70px; resize: vertical; }

.btn { display: inline-block; border: 1px solid var(--line); background: #fff; color: #1c2b3a;
  padding: 10px 16px; border-radius: 7px; cursor: pointer; font-weight: 600; margin: 8px 8px 0 0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:hover { filter: brightness(.97); }
.row { margin-top: 16px; }

.error { color: var(--err); font-size: 14px; margin-top: 12px; }
.result { color: var(--ok); font-size: 14px; margin-top: 12px; }

/* login */
body.login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { text-align: center; max-width: 380px; }
.login-card h1 { color: var(--navy); margin-bottom: 4px; }
.sub { color: #5a6675; margin-top: 0; }
.fineprint { color: #8893a2; font-size: 12px; margin-top: 16px; }