body {
  background:
    radial-gradient(
      circle at 10% 10%,
      rgba(111, 98, 255, 0.15),
      transparent 34%
    ),
    radial-gradient(
      circle at 90% 90%,
      rgba(102, 186, 255, 0.1),
      transparent 32%
    ),
    #f4f6fc;
}

.signup-page {
  min-height: 100vh;
  padding-top: 46px;
  padding-bottom: 46px;
}

.signup-card {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 38px 36px;
  box-shadow: var(--shadow-md);
}

.signup-header {
  margin-bottom: 30px;
  text-align: center;
}

.signup-logo {
  width: 70px;
  height: 70px;
  margin: 0 auto 16px;
  object-fit: contain;
}

.signup-header h1 {
  margin-bottom: 10px;
  font-size: 27px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 19px;
}

.signup-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.input-with-button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.input-with-button .btn {
  min-width: 96px;
}

.email-input-area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.email-domain {
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.signup-agreement {
  padding: 15px;
  background: #f7f8fc;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.signup-footer {
  margin-top: 6px;
  text-align: center;
}

.signup-footer a {
  color: var(--primary);
  font-weight: 800;
}

.signup-footer a:hover {
  text-decoration: underline;
}

.password-guide {
  color: var(--text-light);
  font-size: 12px;
  line-height: 1.5;
}

.privacy-agreement {
  margin-top: 4px;
  padding: 16px;
  border: 1px solid #e4e7ec;
  border-radius: 14px;
  background: #fafafa;
}

.privacy-check-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  line-height: 1.5;
}

.privacy-check-label input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex: 0 0 auto;
  accent-color: #111827;
}

.privacy-check-label span {
  color: #344054;
  font-size: 0.92rem;
}

.privacy-check-label strong {
  color: #d8442f;
}

.privacy-details {
  margin-top: 12px;
}

.privacy-details summary {
  color: #475467;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.privacy-content {
  margin-top: 12px;
  padding: 12px;
  border-radius: 10px;
  background: #ffffff;
  color: #667085;
  font-size: 0.84rem;
  line-height: 1.6;
}

.privacy-content p {
  margin: 0 0 10px;
}

.privacy-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 650px) {
  .signup-page {
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .signup-card {
    padding: 30px 20px;
    border-radius: 20px;
  }

  .signup-row {
    grid-template-columns: 1fr;
  }

  .input-with-button {
    grid-template-columns: 1fr;
  }

  .input-with-button .btn {
    width: 100%;
  }

  .email-input-area {
    grid-template-columns: 1fr;
  }
}