:root { color-scheme: light; }
* { box-sizing: border-box; }
body.pf-page {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f3f5f8;
  color: #172238;
}
.pf-header {
  background: #172238;
  color: #fff;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.pf-header a { color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .04em; }
.pf-lang a { margin-left: 10px; font-weight: 600; opacity: .7; }
.pf-lang a[aria-current="page"] { opacity: 1; }
.pf-main { max-width: 640px; margin: 24px auto; padding: 0 16px 48px; }
.pf-main h1 { font-size: 28px; margin: 0 0 8px; }
.pf-lead { color: #4a5568; margin: 0 0 20px; line-height: 1.5; }
#partner-app {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 24px rgba(23, 34, 56, .08);
}
#partner-app h2 { margin: 4px 0 16px; font-size: 22px; }
#partner-app h3 { margin: 20px 0 8px; font-size: 16px; }
.pf-step { margin: 0; color: #5b6577; font-size: 13px; }
.pf-body { display: grid; gap: 12px; }
.pf-field { display: grid; gap: 4px; }
.pf-field span { font-size: 14px; font-weight: 600; }
.pf-field input, .pf-field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c8d0dc;
  border-radius: 10px;
  font: inherit;
  background: #fff;
}
.pf-field input:focus, .pf-field select:focus { outline: 2px solid #16bb68; border-color: #16bb68; }
.pf-check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.4; }
.pf-check input { margin-top: 3px; width: 18px; height: 18px; flex: none; }
.pf-nav { display: flex; gap: 10px; margin-top: 20px; }
.pf-btn {
  flex: 1;
  padding: 13px 16px;
  border: 0;
  border-radius: 12px;
  background: #16bb68;
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.pf-btn:disabled { opacity: .45; cursor: not-allowed; }
.pf-ghost { background: #e6eaf0; color: #172238; }
.pf-hint { color: #5b6577; font-size: 13px; line-height: 1.45; }
.pf-warn { color: #a43a00; font-weight: 600; }
.pf-ok { color: #0c8a4b; font-weight: 600; }