.auth-page {
  background: #f5f6fa;
  padding: 48px 20px 80px;
}

.auth-card {
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
  padding: 40px 44px;
}

.auth-card-header {
  margin-bottom: 32px;
}

.auth-card-title {
  font-size: 22px;
  font-weight: 600;
  color: #1e293b;
  margin: 0 0 6px;
}

.auth-card-desc {
  font-size: 14px;
  color: #94a3b8;
  margin: 0;
}

.auth-form-group {
  margin-bottom: 20px;
}

.auth-form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  margin-bottom: 6px;
}

.auth-form-input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 2px;
  font-size: 14px;
  color: #334155;
  background: #fff;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.auth-form-input:focus {
  border-color: #3447a0;
}

.auth-form-input::placeholder {
  color: #cbd5e1;
}

.auth-form-row {
  display: flex;
  gap: 12px;
}

.auth-form-row .auth-form-input {
  flex: 1;
}

.auth-captcha-img {
  height: 42px;
  min-width: 100px;
  border: 1px solid #cbd5e1;
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
}

.auth-captcha-img svg {
  width: 100%;
  height: 100%;
  display: block;
}

.auth-code-btn {
  height: 42px;
  padding: 0 16px;
  border: 1px solid #3447a0;
  border-radius: 2px;
  background: #fff;
  color: #3447a0;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s;
}

.auth-code-btn:hover {
  background: #3447a0;
  color: #fff;
}

.auth-code-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  border-color: #cbd5e1;
  color: #94a3b8;
}

.auth-submit-btn {
  width: 100%;
  height: 44px;
  border: none;
  border-radius: 2px;
  background: #3447a0;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.auth-submit-btn:hover {
  background: #2a3990;
}

.auth-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-message {
  padding: 10px 14px;
  margin-bottom: 20px;
  border-radius: 2px;
  font-size: 13px;
  display: none;
}

.auth-message-error {
  border: 1px solid #fecaca;
  background: #fef2f2;
  color: #dc2626;
}

.auth-message-success {
  border: 1px solid #bbf7d0;
  background: #f0fdf4;
  color: #16a34a;
}

.auth-footer-links {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
  color: #94a3b8;
}

.auth-footer-links a {
  color: #3447a0;
  text-decoration: none;
  margin: 0 4px;
}

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

.auth-footer-links span {
  margin: 0 4px;
  color: #cbd5e1;
}

.auth-form-toggle {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  border-bottom: 1px solid #e5e7eb;
}

.auth-form-toggle a {
  padding: 0 0 10px;
  font-size: 14px;
  color: #94a3b8;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.auth-form-toggle a:hover {
  color: #334155;
}

.auth-form-toggle a.active {
  color: #3447a0;
  border-bottom-color: #3447a0;
  font-weight: 500;
}

.auth-form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
  cursor: pointer;
}

.auth-form-checkbox input[type="checkbox"] {
  margin: 0;
  accent-color: #3447a0;
}

.auth-form-checkbox a {
  color: #3447a0;
  text-decoration: none;
}

.auth-form-checkbox a:hover {
  text-decoration: underline;
}

.auth-form-tip {
  font-size: 13px;
  color: #94a3b8;
}

@media (max-width: 640px) {
  .auth-page {
    padding: 32px 16px 60px;
  }

  .auth-card {
    padding: 28px 24px;
  }

  .auth-form-row {
    gap: 8px;
  }

  .auth-captcha-img {
    min-width: 80px;
    max-width: 100px;
  }

  .auth-form-row .auth-form-input {
    min-width: 0;
  }
}