* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 20px;
}

.content {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 60px 40px;
  text-align: center;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.icon {
  font-size: 80px;
  margin-bottom: 20px;
  animation: bounce 2s infinite;
}

h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

p {
  font-size: 20px;
  margin-bottom: 15px;
  opacity: 0.9;
}

.subtitle {
  font-size: 16px;
  opacity: 0.7;
  margin-bottom: 40px;
}

.loader {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #fff;
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@media (max-width: 600px) {
  .content {
    padding: 40px 30px;
  }

  h1 {
    font-size: 36px;
  }

  .icon {
    font-size: 60px;
  }

  p {
    font-size: 18px;
  }
}