.auth-main {
  width: min(1180px, calc(100% - 32px));
  margin: 38px auto 64px;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 22px;
  align-items: start;
}

.auth-intro,
.auth-card {
  padding: clamp(24px, 4vw, 44px);
}

.auth-intro h1,
.auth-verify-card h1 {
  margin: 12px 0 18px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.auth-benefits {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.auth-benefits article {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(5, 10, 24, 0.42);
}

.auth-benefits strong {
  color: var(--cyan);
  font-size: 1.05rem;
}

.auth-benefits span,
.auth-card-heading p,
.field-help,
.staging-note {
  color: var(--muted);
}

.auth-card-heading h2,
.auth-success h2 {
  margin: 8px 0 6px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.auth-card-heading p {
  margin: 0 0 22px;
}

#registration-form {
  display: grid;
  gap: 15px;
}

#registration-form > label:not(.check-row) {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

#registration-form input[type="email"],
#registration-form input[type="password"] {
  margin-top: 0;
}

.field-help {
  margin: -8px 0 0;
  font-size: 0.88rem;
}

.check-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  cursor: pointer;
}

.check-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: 20px;
  margin: 2px 0 0;
  accent-color: var(--cyan);
}

.check-row a {
  color: var(--cyan);
  font-weight: 800;
}

.policy-check {
  padding: 12px;
  border: 1px solid rgba(94, 230, 255, 0.16);
  border-radius: 14px;
  background: rgba(5, 10, 24, 0.3);
}

.auth-submit {
  width: 100%;
  margin-top: 4px;
  padding: 15px 20px;
  font-size: 1rem;
}

.auth-submit[disabled] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.auth-message {
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(41, 231, 255, 0.08);
  color: #dffaff;
}

.auth-message.error {
  border-color: rgba(255, 100, 124, 0.7);
  background: rgba(255, 100, 124, 0.11);
  color: #ffdce2;
}

.auth-message.success {
  border-color: rgba(114, 255, 157, 0.64);
  background: rgba(114, 255, 157, 0.1);
  color: #ddffe8;
}

.auth-success {
  text-align: center;
  padding: 12px 0 2px;
}

.success-mark {
  display: inline-grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #041225;
  font-size: 38px;
  font-weight: 900;
  box-shadow: 0 0 34px rgba(114, 255, 157, 0.28);
}

.auth-success p {
  color: var(--muted);
}

.staging-note {
  margin: 12px 0 0;
  font-size: 0.82rem;
}

.auth-verify-main {
  display: grid;
  min-height: 54vh;
  place-items: center;
}

.auth-verify-card {
  width: min(720px, 100%);
  text-align: center;
}

.auth-verify-card h1 {
  font-size: clamp(34px, 5vw, 56px);
}

.verification-spinner {
  width: 58px;
  height: 58px;
  margin: 0 auto 22px;
  border: 5px solid rgba(94, 230, 255, 0.18);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: auth-spin 0.9s linear infinite;
}

.verification-spinner.complete {
  display: grid;
  place-items: center;
  border: 0;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #041225;
  animation: none;
}

.verification-spinner.complete::before {
  content: "✓";
  font-size: 32px;
  font-weight: 900;
}

.verification-spinner.failed {
  display: grid;
  place-items: center;
  border: 0;
  background: rgba(255, 100, 124, 0.16);
  color: var(--red);
  animation: none;
}

.verification-spinner.failed::before {
  content: "!";
  font-size: 34px;
  font-weight: 900;
}

.verify-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

@keyframes auth-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .auth-main {
    margin-top: 24px;
  }

  .auth-intro,
  .auth-card {
    padding: 24px 20px;
  }

  .auth-intro h1 {
    font-size: clamp(36px, 12vw, 52px);
  }
}