/* Big, friendly, high-contrast login for seniors */
.chb-login-wrap {
  max-width: 480px;
  margin: 5vh auto;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  background: #ffffff;
}

.chb-title {
  font-size: 1.8rem;
  line-height: 1.2;
  margin: 0 0 16px;
  text-align: center;
}

.chb-error {
  background: #ffe9e9;
  border: 1px solid #ffb3b3;
  color: #8a1f1f;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.chb-form {
  display: grid;
  gap: 12px;
}

.chb-label {
  font-size: 1.05rem;
  font-weight: 600;
}

.chb-input {
  width: 100%;
  font-size: 1.15rem;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
}

.chb-input:focus {
  outline: none;
  border-color: #64748b;
  box-shadow: 0 0 0 3px rgba(100,116,139,.2);
}

.chb-btn {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.2rem;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  background: #2563eb;
  color: #fff;
}

.chb-btn:hover { filter: brightness(1.05); }

.chb-links {
  margin-top: 12px;
  text-align: center;
  font-size: 1rem;
}

.chb-link {
  color: #2563eb;
  text-decoration: none;
}

.chb-link:hover { text-decoration: underline; }

.chb-sep { margin: 0 8px; color: #94a3b8; }

.chb-footnote {
  margin-top: 16px;
  font-size: .95rem;
  color: #475569;
  text-align: center;
}

@media (max-width: 520px) {
  .chb-login-wrap {
    margin: 2vh 12px;
    padding: 18px;
  }
  .chb-title { font-size: 1.6rem; }
  .chb-input { font-size: 1.1rem; }
  .chb-btn   { font-size: 1.1rem; }
}