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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #f4f4f5;
  color: #3f3f46;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 24px;
  text-align: center;
}

.card {
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 16px;
  padding: 48px 36px 40px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.logo {
  margin-bottom: 24px;
}

.icon {
  color: #6366f1;
  margin-bottom: 24px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

h1 {
  font-size: 22px;
  font-weight: 700;
  color: #18181b;
  margin-bottom: 12px;
}

.desc {
  font-size: 14px;
  line-height: 1.7;
  color: #71717a;
  margin-bottom: 32px;
}

.info {
  background: #fafafa;
  border: 1px solid #f0f0f2;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.info-row + .info-row {
  border-top: 1px solid #f0f0f2;
}

.label {
  font-size: 13px;
  color: #a1a1aa;
}

.value {
  font-size: 13px;
  font-weight: 600;
  color: #27272a;
}

.progress-bar {
  height: 4px;
  background: #e4e4e7;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 24px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6366f1, #818cf8);
  border-radius: 2px;
  transition: width 1s linear;
}

.footer-text {
  font-size: 12px;
  color: #a1a1aa;
}

.copyright {
  margin-top: 24px;
  font-size: 12px;
  color: #d4d4d8;
}

@media (max-width: 520px) {
  .card {
    padding: 36px 24px 32px;
  }

  h1 {
    font-size: 19px;
  }

  .desc {
    font-size: 13px;
  }
}
