/* Measurement Tools Styles */

.measure-controls {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
  background: var(--bg-surface);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-controls);
  border: 1px solid var(--border-subtle);
}

.measure-btn {
  font-size: var(--text-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  min-width: 90px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--duration-fast) var(--ease-out);
}

.measure-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.measure-btn:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.measure-panel {
  position: absolute;
  top: calc(var(--topbar-height) + var(--spacing-sm));
  left: 50%;
  transform: translateX(-50%);
  background: var(--data-card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: var(--executive-panel-padding);
  border-radius: var(--radius-lg);
  box-shadow: var(--chart-shadow-lg);
  border: 1px solid var(--data-card-border);
  z-index: var(--z-controls);
  min-width: 280px;
  max-width: 360px;
}

.measure-instructions {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  text-align: center;
  font-style: italic;
}

.measure-results {
  border-top: 1px solid var(--border-light);
  padding-top: var(--spacing-sm);
}

.measure-result {
  background: var(--data-highlight-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--chart-highlight);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: var(--line-height-professional);
  text-align: center;
  transition: var(--transition-professional);
  box-shadow: var(--chart-shadow-sm);
}

.measure-result:hover {
  background: var(--data-hover-bg);
  box-shadow: var(--chart-shadow-md);
  transform: var(--hover-elevation);
}

.measure-result strong {
  display: block;
  color: var(--chart-highlight);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-executive);
  font-size: var(--text-lg);
  letter-spacing: var(--letter-spacing-tight);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .measure-controls {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    transform: none;
    width: auto;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .measure-panel {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    transform: none;
    width: auto;
  }
  
  .measure-btn {
    flex: 1;
    min-width: 80px;
  }
}

/* High contrast theme support */
[data-high-contrast="true"] .measure-controls,
[data-high-contrast="true"] .measure-panel {
  border-color: var(--border-primary);
  box-shadow: var(--shadow-md);
}

[data-high-contrast="true"] .measure-result {
  border-color: var(--border-primary);
}

/* Animation for panel show/hide */
.measure-panel {
  animation: measurePanelSlideIn 200ms ease;
}

@keyframes measurePanelSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .measure-btn {
    transition: none;
  }
  
  .measure-btn:not(:disabled):hover {
    transform: none;
  }
  
  .measure-panel {
    animation: none;
  }
  
  @keyframes measurePanelSlideIn {
    from, to {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }
  }
}