body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #0f0f0f;
  color: #f5f5f5;
  margin: 0;
  padding: 2rem;
}

.container {
  max-width: 960px;
  margin: auto;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  color: #ff5f00;
  margin-bottom: 2rem;
}

.card {
  background: #1e1e1e;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(255, 95, 0, 0.4);
}

.toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.toggle h2 {
  margin: 0;
  color: #ffae42;
}

.arrow {
  transition: transform 0.3s ease;
}

.arrow.rotate {
  transform: rotate(90deg);
}

.price-content {
  margin-top: 1rem;
  display: none;
}

.price-content.active {
  display: block;
}

#avax-price {
  font-size: 2.2rem;
  font-weight: bold;
  color: #00ffcc;
}

canvas {
  margin-top: 2rem;
  height: 300px !important;
}

.footer {
  text-align: center;
  padding: 15px 10px;
  color: #aaa;
  font-size: 14px;
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  h1 {
    font-size: 1.8rem;
  }

  .card {
    padding: 1rem;
    margin: 1rem 0;
  }

  #avax-price {
    font-size: 1.6rem;
  }

  canvas {
    height: 450px !important; 
  }
}