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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  color: #ffffff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 30px;
  border-radius: 20px;
  background: #ff6b35;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: bold;
}

h1 {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 18px;
  color: #ccc;
  margin-bottom: 40px;
  line-height: 1.5;
}

.invite-info {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: none;
}

.invite-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.invite-message {
  color: #ccc;
  line-height: 1.4;
}

.button {
  background: #ff6b35;
  color: white;
  border: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 10px;
  text-decoration: none;
  display: inline-block;
}

.button:hover {
  background: #e55a2b;
  transform: translateY(-2px);
}

.button.secondary {
  background: transparent;
  border: 2px solid #ff6b35;
  color: #ff6b35;
}

.button.secondary:hover {
  background: rgba(255, 107, 53, 0.1);
}

.loading {
  display: none;
  margin: 20px 0;
}

.error {
  background: rgba(244, 67, 54, 0.2);
  border: 1px solid rgba(244, 67, 54, 0.5);
  color: #ffcdd2;
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  display: none;
}

.store-buttons {
  margin-top: 30px;
}

.store-button {
  display: inline-block;
  margin: 10px;
  text-decoration: none;
}

.store-button img {
  height: 50px;
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  h1 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }
}