body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0a1022;
  color: #e0e0ff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background-color: #fff;
  border-radius: 50%;
  opacity: 0.5;
  animation: twinkle 4s infinite;
}

@keyframes twinkle {
  0% { opacity: 0.2; }
  50% { opacity: 0.8; }
  100% { opacity: 0.2; }
}

.container {
  text-align: center;
  z-index: 1;
  padding: 2rem;
  max-width: 600px;
  background-color: rgba(15, 23, 42, 0.7);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid #2a4480;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
}

h1 {
  font-size: 5rem;
  margin: 0;
  background: linear-gradient(45deg, #4facfe 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.error-text {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: #a3b1ff;
}

p {
  margin: 1rem 0;
  line-height: 1.6;
}

.button {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(45deg, #1e3c72 0%, #2a5298 100%);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  margin-top: 1rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(46, 84, 194, 0.4);
  background: linear-gradient(45deg, #2a5298 0%, #1e3c72 100%);
}

.spaceship {
  font-size: 3rem;
  margin: 1rem 0;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}