body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f7f7;
}

header {
  text-align: center;
  padding: 20px;
  background: white;
  position: sticky;
  top: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

h1 {
  margin: 0;
}

button {
  margin-top: 10px;
  padding: 8px 15px;
  border: none;
  background: black;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  opacity: 0.8;
}

#loading {
  text-align: center;
  padding: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  padding: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.quote {
  font-size: 16px;
  margin-bottom: 10px;
}

.author {
  font-size: 14px;
  font-weight: bold;
  color: #555;
}