body {
  background-color: #111;
  color: #f0f0f0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  /* These ensure same behavior as original inline CSS */
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.welcome-card {
  background-color: rgba(15, 15, 15, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  padding: 40px;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.welcome-title {
  color: #fff;
  font-size: 36px;
  margin-bottom: 16px;
  font-weight: 700;
}

.welcome-text {
  color: #ddd;
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer {
  background-color: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(5px);
  padding: 16px 0;
  text-align: center;
  color: #888;
  font-size: 14px;
}