.registration-page {
  --registration-blue: #1d4ed8;
  color: #172b49;
  background: #f5f7fb;
  padding: 32px 20px 48px;
  min-height: calc(100vh - 150px);
  font: 14px/1.5 system-ui, sans-serif;
}
.registration-page * { box-sizing: border-box; }
.registration-card {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid #dbe4ef;
  border-radius: 16px;
  box-shadow: 0 8px 28px #172b4908;
}
.registration-heading h1 { margin: 0 0 6px; font-size: 26px; font-weight: 750; letter-spacing: -.6px; }
.registration-heading p { margin: 0; color: #64748b; }
.registration-review { display: flex; align-items: flex-start; gap: 10px; margin: 20px 0 24px; padding: 12px 14px; background: #eff6ff; border: 1px solid #dbeafe; border-radius: 9px; color: #1e40af; font-size: 12px; }
.registration-review i { margin-top: 3px; }
.registration-review p { margin: 0; }
.registration-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; }
.registration-field { grid-column: 1 / -1; min-width: 0; }
.registration-field-half { grid-column: auto; }
.registration-field label { display: flex; align-items: center; justify-content: space-between; margin: 0 0 6px; font-size: 13px; font-weight: 650; }
.registration-optional { color: #64748b; font-size: 11px; font-weight: 400; }
.registration-field input { display: block; width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid #cbd5e1; border-radius: 7px; background: #fff; color: #172b49; font: inherit; box-shadow: none; }
.registration-field input:focus { border-color: var(--registration-blue); outline: 3px solid #dbeafe; outline-offset: 1px; }
.registration-help { margin: 6px 0 0; color: #64748b; font-size: 12px; line-height: 1.5; }
.registration-errors { margin-bottom: 20px; padding: 12px 14px; border: 1px solid #fecaca; border-radius: 8px; background: #fef2f2; color: #991b1b; font-size: 13px; }
.registration-errors p { margin: 0; }
.registration-errors p + p { margin-top: 5px; }
.registration-field-invalid input { border-color: #dc2626; }
.registration-field-errors { margin: 6px 0 0; padding: 0; list-style: none; color: #b91c1c; font-size: 12px; }
.registration-submit { width: 100%; margin-top: 24px; padding: 12px 16px; border: 1px solid var(--registration-blue); border-radius: 8px; background: var(--registration-blue); color: #fff; font: 700 14px/1.5 system-ui, sans-serif; cursor: pointer; }
.registration-submit:hover { background: #1e40af; }
.registration-submit:focus-visible, .registration-login a:focus-visible { outline: 3px solid #93c5fd; outline-offset: 3px; }
.registration-login { margin: 20px 0 0; text-align: center; color: #64748b; font-size: 13px; }
.registration-login a { color: var(--registration-blue); font-weight: 650; text-decoration: none; }
.registration-login a:hover { text-decoration: underline; }
@media (max-width: 540px) {
  .registration-page { padding: 20px 14px 32px; }
  .registration-card { padding: 24px 20px; border-radius: 12px; }
  .registration-heading h1 { font-size: 24px; }
  .registration-fields { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .registration-field-half { grid-column: 1; }
}