body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f7fb;
  color: #111;
}
body.dark {
  background: #020617;
  color: #e5e7eb;
}
header {
  background: #111827;
  color: white;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.controls {
  display: flex;
  gap: 10px;
}
select, button {
  padding: 8px 10px;
  border-radius: 6px;
  border: none;
}
main {
  max-width: 1100px;
  margin: 20px auto;
  padding: 0 15px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
}
body.dark .card {
  background: #111827;
}
.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card .content {
  padding: 12px;
}
.card h3 {
  font-size: 16px;
}
.card p {
  font-size: 14px;
}
.card a {
  display: inline-block;
  margin-top: 8px;
  background: #111827;
  color: white;
  padding: 6px 10px;
  text-decoration: none;
  border-radius: 5px;
}
#loader {
  text-align: center;
  padding: 20px;
}
@media (max-width: 800px) {
  .grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 500px) {
  .grid { grid-template-columns: 1fr; }
}