/* Tailwindが主だが、細かな補助用のCSS */
:root { color-scheme: light; }
html, body { min-height: 100%; height: auto; overflow-y: auto; }

/* Tooltip helper for D3 */
.tooltip { pointer-events: none; }

/* Debug overlay */
.debug-overlay {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-height: 40vh;
  overflow: auto;
  background: rgba(0,0,0,0.8);
  color: #e5e7eb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  padding: 8px 12px;
  z-index: 9999;
  border-top: 1px solid #374151;
}
.hidden { display: none; }

/* Debug: relax SVG wrapper overflow and raise z-index */
.debug-svg-wrap { overflow: visible !important; z-index: 50; outline: 1px dashed #93c5fd; }
/* Tooltip inside svg wrap */
.cf-tooltip { z-index: 60; }