.upload-panel {
  background: #333;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto 20px;
}
.upload-panel__header {
  padding: 12px 20px;
}
.upload-panel__header h2 {
  margin: 0;
  font-size: 1.25rem;
}
.upload-panel__body {
  display: flex;
}
.upload-panel__photos {
  flex: 1;
  padding: 20px;
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
}
.photo-slot {
  position: relative;
  background: #e0e0e0;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1/1;
}
.photo-slot--large {
  grid-column: 1/ span 2;
  aspect-ratio: 2/1;
}
.photo-slot input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
}
.photo-slot::after {
  content: '+';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #666;
}
.upload-panel__params {
  flex: 1;
  padding: 20px;
}
.category-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}
.category-btn {
  flex: 1;
  padding: 10px;
  background: #eee;
  border: 1px solid #ccc;
  border-radius: 8px;
  cursor: pointer;
  font-size: .95rem;
}
.category-btn.active {
  background: #007bff;
  color: #fff;
  border-color: #007bff;
}
.level-select {
  margin-bottom: 15px;
}
.tags-inputs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.tags-inputs input {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
}
.upload-btn {
  width: 100%;
  padding: 12px;
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
}
.feed-section {
  margin-bottom: 40px;
}
.feed h2 {
  margin-bottom: 15px;
}