:root {
  --nti-font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  --nti-color-text: #1a1a1a;
  --nti-color-muted: #64748b;
  --nti-color-border: #cbd5e1;
  --nti-color-border-soft: #e2e8f0;
  --nti-color-surface: #ffffff;
  --nti-color-background: #ececec;
  --nti-color-primary: #2980b9;
  --nti-color-primary-hover: #2471a3;
  --nti-color-danger: #b91c1c;
  --nti-color-success: #1b7f4a;
  --nti-topbar-bg: #3c3c3c;
  --nti-topbar-text: #f0f0f0;
  --nti-topbar-text-muted: #d1d5db;
  --nti-topbar-border: #2f2f2f;
  --nti-topbar-btn-bg: #4a4a4a;
  --nti-topbar-btn-border: #666666;
  --nti-topbar-btn-hover: #5a5a5a;
  --nti-radius-sm: 6px;
  --nti-radius-md: 10px;
  --nti-radius-pill: 999px;
  --nti-space-1: 4px;
  --nti-space-2: 8px;
  --nti-space-3: 12px;
  --nti-space-4: 16px;
  --nti-font-size-sm: 12px;
  --nti-font-size-md: 14px;
  --nti-font-size-lg: 18px;
  --nti-font-size-xl: 24px;
  --nti-line-height: 1.5;

  /* Legacy aliases used by workflow styles */
  --ink: var(--nti-color-text);
  --bg: var(--nti-color-background);
  --panel: var(--nti-color-surface);
  --muted: var(--nti-color-muted);
  --border: var(--nti-color-border);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

body {
  margin: 0;
  font-family: var(--nti-font-family);
  color: var(--nti-color-text);
  background: var(--nti-color-background);
}