body {
  background: linear-gradient(135deg, #eaf6ff 0%, #b6d7f2 100%);
  font-family: 'Tahoma', 'Verdana', sans-serif;
  margin: 0;
  padding: 0;
}

.xp-email-window {
  background: #fff;
  border: 2px solid #245edb;
  border-radius: 14px;
  box-shadow: 0 8px 32px #245edb22, 0 2px 8px #0002;
  width: 540px;
  margin: 48px auto;
  padding: 0;
  overflow: hidden;
}

.xp-email-header {
  background: linear-gradient(90deg, #245edb 80%, #1c4587 100%);
  color: #fff;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  font-weight: bold;
  border-bottom: 2px solid #b6d7f2;
  letter-spacing: 1px;
}

.xp-email-meta {
  background: #eaf6ff;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #b6d7f2;
  font-size: 0.98rem;
  color: #245edb;
}

.xp-email-meta span {
  display: block;
  margin-bottom: 4px;
}

.xp-email-body {
  padding: 1.5rem;
  font-size: 1.05rem;
  color: #23272b;
  line-height: 1.7;
  background: #fff;
  font-family: 'Tahoma', 'Verdana', sans-serif;
}

.xp-email-footer {
  background: #eaf6ff;
  padding: 0.75rem 1.5rem;
  color: #245edb;
  font-size: 0.95rem;
  border-top: 1px solid #b6d7f2;
  text-align: right;
}