/* ══════════════════════════════════════
   canvas.css — Canvas Area
   Big Band Space Planner
══════════════════════════════════════ */

#canvas-wrapper {
  grid-area: canvas;
  display: flex;
  flex-direction: column;
  background: var(--bg-0);
  overflow: hidden;
  position: relative;
}

/* ── Canvas Toolbar ─────────────────── */
#canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  height: var(--canvas-toolbar-h);
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}

/* Zoom controls */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.zoom-btn {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  transition: all 0.15s;
}
.zoom-btn svg { width: 12px; height: 12px; }
.zoom-btn:hover { background: var(--bg-4); color: var(--text-1); }

.zoom-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-1);
  min-width: 44px;
  text-align: center;
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
}
.zoom-label:hover { color: var(--accent); }

.zoom-fit-btn {
  padding: 4px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-2);
  transition: all 0.15s;
}
.zoom-fit-btn:hover { background: var(--bg-4); color: var(--text-1); }

/* Canvas status */
.canvas-status { display: flex; align-items: center; gap: 12px; }

.cursor-info {
  font-size: 11px;
  color: var(--text-3);
  font-feature-settings: 'tnum';
  min-width: 100px;
}

.collision-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(248,113,113,0.15);
  border: 1px solid rgba(248,113,113,0.4);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 11px;
  color: var(--danger);
  animation: pulse-danger 2s ease infinite;
}
@keyframes pulse-danger {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.canvas-help {
  font-size: 10px;
  color: var(--text-3);
  white-space: nowrap;
}

/* ── Canvas Container ───────────────── */
#canvas-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  cursor: default;
}

#main-canvas {
  display: block;
  position: absolute;
  top: 0; left: 0;
  image-rendering: pixelated;
}

/* Canvas cursor states */
#canvas-wrapper.cursor-grab #main-canvas    { cursor: grab; }
#canvas-wrapper.cursor-grabbing #main-canvas { cursor: grabbing; }
#canvas-wrapper.cursor-crosshair #main-canvas { cursor: crosshair; }
#canvas-wrapper.cursor-move #main-canvas    { cursor: move; }
#canvas-wrapper.cursor-rotate #main-canvas  { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M12 6V3L8 7l4 4V8c2.76 0 5 2.24 5 5s-2.24 5-5 5-5-2.24-5-5H5c0 3.86 3.14 7 7 7s7-3.14 7-7-3.14-7-7-7z'/%3E%3C/svg%3E") 8 8, auto; }

/* ── Isometric Controls ─────────────── */
#iso-controls {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 8px 20px;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  height: var(--iso-controls-h);
}
#iso-controls.hidden { display: none; }

.iso-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.iso-slider-row label {
  font-size: 11px;
  color: var(--text-3);
  white-space: nowrap;
  width: 28px;
}
.slider-val {
  font-size: 11px;
  color: var(--accent-text);
  min-width: 32px;
  text-align: right;
  font-feature-settings: 'tnum';
}