* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; overflow: hidden; height: 100vh; }

#toolbar {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: var(--card); border-bottom: 1px solid var(--border); height: 42px;
}
#toolbar .logo { font-size: 1.1em; font-weight: bold; color: var(--accent); margin-right: 4px; }
#toolbar input { background: var(--card-hover); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; color: var(--text); font-size: 0.85em; width: 140px; outline: none; }
#toolbar input:focus { border-color: var(--accent); }

.tb-btn {
  padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--card-hover); color: var(--text); cursor: pointer; font-size: 0.9em;
  transition: all 0.15s; white-space: nowrap;
}
.tb-btn:hover { background: var(--border); }
.tb-btn.play { background: var(--accent); color: #000; border-color: var(--accent); }
.tb-btn.play:hover { background: var(--accent-dim); color: #fff; }
.tb-btn.small { padding: 2px 8px; font-size: 0.85em; }
.tb-btn.active-tool { border-color: var(--accent); background: var(--card); }

#editorBody {
  display: flex; height: calc(100vh - 42px);
}

#stagePanel {
  width: 520px; min-width: 340px; background: var(--card);
  border-right: 1px solid var(--border); display: flex; flex-direction: column;
  flex-shrink: 0;
}
#stageLabel {
  padding: 4px 10px; font-size: 0.8em; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
#stageWrap {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: #111; padding: 10px;
}
#stageCanvas {
  border-radius: 4px; box-shadow: 0 0 20px rgba(0,0,0,0.5);
  background: #fff; image-rendering: pixelated;
  width: 100%; max-width: 480px; aspect-ratio: 480/360;
}
#spriteBar {
  padding: 6px 10px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  min-height: 50px;
}
#spriteList {
  display: flex; gap: 4px; flex: 1; overflow-x: auto; padding: 2px 0;
}
.sprite-item {
  width: 44px; height: 44px; border-radius: 6px; border: 2px solid var(--border);
  background: var(--card-hover); cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 1.5em; transition: all 0.15s; flex-shrink: 0; overflow: hidden;
}
.sprite-item:hover { border-color: var(--text-dim); }
.sprite-item.active { border-color: var(--accent); background: var(--card); }
.sprite-item canvas { width: 100%; height: 100%; image-rendering: pixelated; }

#blocksPanel { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#blocklyToolbar {
  padding: 4px 12px; border-bottom: 1px solid var(--border);
  font-size: 0.9em; font-weight: bold; background: var(--card);
}
#blocklyDiv { flex: 1; }

/* Modal overrides */
.scratch-modal { min-width: 560px; max-width: 90vw; }
#spriteCanvas { display: block; image-rendering: pixelated; }

@media (max-width: 800px) {
  #editorBody { flex-direction: column; }
  #stagePanel { width: 100%; min-width: 0; max-height: 50vh; }
  #blocksPanel { min-height: 300px; }
  .scratch-modal { min-width: 90vw; }
  #spriteModal .modal > div { flex-direction: column; align-items: center; }
}