/* ============================================================
   Detail overlay
   ============================================================ */

#detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

#detail-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.detail-content {
  display: flex;
  width: 100%;
  height: 100%;
  transform: translateY(10px);
  transition: transform 0.4s ease;
}

#detail-overlay.active .detail-content {
  transform: translateY(0);
}

/* Info panel — fixed-width column on the left */
.detail-info {
  flex-shrink: 0;
  width: 280px;
  padding: 64px 36px 36px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

#detail-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: #777;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

#detail-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #999;
  margin-top: 8px;
}

/* Preview — fills the remaining space */
#detail-preview {
  flex: 1;
  margin: 32px;
  border-radius: 4px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

/* Close button */
#detail-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #e0e0e0;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease;
}

#detail-close:hover {
  border-color: rgba(255, 255, 255, 0.4);
}

/* Download button */
#detail-download {
  position: absolute;
  top: 24px;
  right: 72px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #e0e0e0;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease;
}

#detail-download:hover {
  border-color: rgba(255, 255, 255, 0.4);
}


/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
  .detail-content {
    flex-direction: column-reverse;
  }

  .detail-info {
    width: 100%;
    padding: 20px 24px;
    border-right: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    justify-content: flex-start;
  }

  #detail-preview {
    margin: 16px;
    flex: 1;
  }
}