body {
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  margin: 0;
  padding: 20px;
  height: 100vh; /* ecran complet */
  overflow: hidden;
}

h1 {
  color: #f7931a;
  text-align: center;
  margin-bottom: 20px;
}

/* Container pentru toate cardurile */
#crypto-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* exact 3 coloane */
  grid-auto-rows: 1fr; /* toate rândurile la înălțime egală */
  gap: 15px;
  height: calc(100vh - 70px); /* înălțimea containerului minus titlu */
  overflow-y: auto; /* scroll vertical dacă e nevoie */
  padding: 10px;
}

/* Fiecare card */
.crypto-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.crypto-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.crypto-card p {
  margin: 5px 0;
}

.crypto-price {
  font-size: 18px;
  font-weight: bold;
  color: #f7931a;
}