:root {
  --blue-dark: #073b78;
  --blue-primary: #0b5cab;
  --blue-hover: #084986;
  --blue-light: #eaf4ff;

  --yellow-primary: #f4c430;
  --yellow-light: #fff8d6;

  --white: #ffffff;
  --page-background: #f4f7fb;
  --border: #cbd5e1;

  --error-dark: #991b1b;
  --error-light: #fef2f2;
  --error-border: #fecaca;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--page-background);
  color: var(--text-primary);
}

.registration-container {
  width: min(900px, calc(100% - 30px));
  margin: 36px auto;
}

.registration-card {
  padding: 32px;
  background-color: var(--white);
  border-top: 7px solid var(--yellow-primary);
  border-radius: 12px;
  box-shadow: 0 5px 18px rgba(7, 59, 120, 0.12);
}

.registration-heading {
  margin-bottom: 28px;
  text-align: center;
}

.registration-heading h1 {
  margin: 0 0 10px;
  color: var(--blue-dark);

}

.registration-heading p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.error-message {
  margin-bottom: 24px;
  padding: 16px;
  color: var(--error-dark);
  background-color: var(--error-light);
  border: 1px solid var(--error-border);
  border-left: 4px solid var(--error-dark);
  border-radius: 7px;
  line-height: 1.5;
}

.error-message ul {
  margin: 8px 0 0;
  padding-left: 22px;
}

.registration-form {
  display: grid;
  gap: 26px;
}

.registration-form fieldset {
  margin: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 9px;
}

.registration-form legend {
  padding: 0 9px;
  color: var(--blue-dark);
  font-size: 1.1rem;
  font-weight: bold;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.form-group {
  min-width: 0;
}

.birth-date-selects {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 8px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 7px;
  color: var(--blue-dark);
  font-weight: bold;
}

.form-group label span {
  color: #b91c1c;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  color: var(--text-primary);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 7px;
  font: inherit;
}

.form-group textarea {
  min-height: 110px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 3px solid rgba(11, 92, 171, 0.18);
  border-color: var(--blue-primary);
}

.form-group select:disabled {
  color: #718096;
  background-color: #f1f5f9;
  cursor: not-allowed;
}

.form-group label .optional-label {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: normal;
}

.field-help {
  margin: 14px 0 0;
  padding: 11px 13px;
  color: var(--blue-dark);
  background-color: var(--blue-light);
  border-left: 3px solid var(--yellow-primary);
  line-height: 1.4;
}

.registration-actions {
  display: flex;
  gap: 12px;
}

.registration-actions > * {
  flex: 1;
}

.registration-back {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  color: var(--blue-primary);
  background-color: var(--white);
  border: 2px solid var(--blue-primary);
  border-radius: 7px;
  font-weight: bold;
  text-decoration: none;
}

.registration-back:hover {
  color: var(--white);
  background-color: var(--blue-primary);
}

.registration-submit {
  min-height: 48px;
  padding: 12px 22px;
  color: var(--white);
  background-color: var(--blue-primary);
  border: 0;
  border-radius: 7px;
  font: inherit;
  font-weight: bold;
  cursor: pointer;
}

.registration-submit:hover {
  background-color: var(--blue-hover);
}

.registration-submit:disabled {
  color: var(--white);
  background-color: var(--blue-hover);
  cursor: wait;
  opacity: 0.75;
}

.registration-submit:focus-visible,
.registration-back:focus-visible,
.login-link a:focus-visible {
  outline: 3px solid var(--yellow-primary);
  outline-offset: 3px;
}

.login-link {
  margin: 26px 0 0;
  padding-top: 20px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
}

.login-link a {
  color: var(--blue-primary);
  font-weight: bold;
}

.login-link a:hover {
  color: var(--blue-hover);
}

.password-input-wrapper {
  position: relative;
}

.password-input-wrapper input {
  padding-right: 52px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 40px;
  min-height: 40px;
  padding: 0;
  color: var(--blue-dark);
  background: transparent;
  border: 0;
  border-radius: 6px;
  transform: translateY(-50%);
  cursor: pointer;
}

.password-toggle:hover {
  color: var(--blue-primary);
  background-color: var(--blue-light);
}

.password-toggle:focus-visible {
  outline: 3px solid var(--yellow-primary);
  outline-offset: 1px;
}

.password-toggle svg {
  display: block;
  margin: auto;
}

.password-toggle[aria-pressed="true"] .password-hidden-slash {
  display: none;
}

@media (max-width: 720px) {
  .registration-container {
    margin: 24px auto;
  }

  .registration-card {
    padding: 24px 20px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: auto;
  }
}

@media (max-width: 420px) {
  .registration-card {
    padding: 22px 14px;
  }

  .registration-form fieldset {
    padding: 18px 14px;
  }

}