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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 700px;
}

.box {
  background: #020617;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(56, 189, 248, 0.1);
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.icon {
  font-size: 64px;
  text-align: center;
  margin-bottom: 20px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

h1 {
  font-size: 32px;
  margin: 0 0 10px 0;
  color: #38bdf8;
  text-align: center;
  font-weight: 700;
}

.subtitle {
  text-align: center;
  color: #94a3b8;
  margin-bottom: 30px;
  font-size: 16px;
}

.info-section {
  background: #0f172a;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  border: 1px solid rgba(56, 189, 248, 0.1);
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-item:last-child {
  border-bottom: none;
}

.label {
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.value {
  color: #fff;
  font-weight: 500;
}

.value a {
  color: #38bdf8;
  text-decoration: none;
  transition: all 0.2s ease;
}

.value a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

.code {
  font-family: 'Courier New', monospace;
  background: #111827;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
}

.message {
  background: rgba(56, 189, 248, 0.1);
  border-left: 4px solid #38bdf8;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 25px;
}

.message p {
  margin: 8px 0;
  color: #cbd5e1;
  font-size: 14px;
}

.message code {
  background: #111827;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: #38bdf8;
}

.footer {
  text-align: center;
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.6;
}

.footer .note {
  margin-top: 15px;
  font-size: 13px;
  color: #64748b;
  font-style: italic;
}

@media (max-width: 640px) {
  .box {
    padding: 30px 20px;
  }
  
  h1 {
    font-size: 24px;
  }
  
  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
}