/* ===== EXTENSION CARDS ===== */
.ext-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  margin: 24px 0 40px;
}

.ext-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ext-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.08);
}

.ext-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ext-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.ext-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.ext-card-header h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
}

.ext-by {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--gray);
}

.ext-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

.ext-features {
  margin: 4px 0 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ext-features li {
  font-size: 0.85rem;
  color: var(--dark);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.ext-features li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--primary);
  font-weight: 700;
}

.ext-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

.ext-badge-star {
  background: #fef9c3;
  color: #854d0e;
}

.ext-download {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  border-top: 1px solid var(--border);
  transition: color 0.15s;
}

.ext-download:hover {
  color: var(--primary-dark);
}

/* Code inline */
.ext-card code {
  background: var(--gray-light);
  color: var(--primary-dark);
  font-size: 0.8rem;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: monospace;
}

@media (max-width: 640px) {
  .ext-grid {
    grid-template-columns: 1fr;
  }
}