* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #0f172a;
  color: #e5e7eb;
}

header {
  background: #020617;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  color: #22c55e;
}

header button {
  background: #22c55e;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  font-weight: bold;
}

.shop {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

.item {
  background: #020617;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
}

.item img {
  width: 100px;
  margin-bottom: 10px;
}

.item span {
  display: block;
  margin: 10px 0;
  font-size: 18px;
  color: #22c55e;
}

.item button {
  background: #22c55e;
  border: none;
  padding: 10px;
  width: 100%;
  cursor: pointer;
  font-weight: bold;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

.modal-content {
  background: #020617;
  padding: 20px;
  width: 90%;
  max-width: 400px;
  margin: 100px auto;
  border-radius: 8px;
}

.modal-content ul {
  list-style: none;
  margin: 10px 0;
}

.modal-content button {
  margin-top: 10px;
  width: 100%;
}

.close {
  background: #ef4444;
}