/* NTK Identity — design tokens (matrix brand purple) */
:root,
[data-theme="light"] {
  --ntk-bg: #f4f2f8;
  --ntk-bg-elevated: #ffffff;
  --ntk-bg-muted: #ebe6f3;
  --ntk-surface: #ffffff;
  --ntk-surface-hover: #f8f5fc;
  --ntk-border: #d8cfe8;
  --ntk-border-strong: #b9a8d4;
  --ntk-text: #1a1228;
  --ntk-text-muted: #5c4f72;
  --ntk-text-inverse: #f8f5fc;
  --ntk-primary: #9333ea;
  --ntk-primary-deep: #7c3aed;
  --ntk-primary-glow: #a855f7;
  --ntk-primary-soft: rgba(147, 51, 234, 0.12);
  --ntk-primary-hover: #7e22ce;
  --ntk-danger: #dc2626;
  --ntk-danger-soft: rgba(220, 38, 38, 0.1);
  --ntk-success: #059669;
  --ntk-warning: #d97706;
  --ntk-focus-ring: rgba(147, 51, 234, 0.35);
  --ntk-shadow-sm: 0 1px 2px rgba(26, 18, 40, 0.06);
  --ntk-shadow-md: 0 8px 24px rgba(26, 18, 40, 0.08);
  --ntk-shadow-lg: 0 16px 40px rgba(26, 18, 40, 0.12);
  --ntk-radius-sm: 6px;
  --ntk-radius-md: 10px;
  --ntk-radius-lg: 16px;
  --ntk-font: IRANSans, Tahoma, Arial, sans-serif;
  --ntk-font-mono: Consolas, "Courier New", monospace;
  --bs-font-sans-serif: var(--ntk-font);
  --ntk-nav-height: 64px;
  --ntk-content-max: 1200px;
  --ntk-auth-bg: #0b0614;
  --ntk-auth-bg-alt: #12081f;
  --ntk-auth-grid: rgba(168, 85, 247, 0.08);
  --ntk-auth-glow: rgba(147, 51, 234, 0.25);
}

[data-theme="dark"] {
  --ntk-bg: #0b0614;
  --ntk-bg-elevated: #12081f;
  --ntk-bg-muted: #1a0f2e;
  --ntk-surface: #160d28;
  --ntk-surface-hover: #1f1435;
  --ntk-border: #2d1f4a;
  --ntk-border-strong: #4a3570;
  --ntk-text: #f3ecff;
  --ntk-text-muted: #b8a5d6;
  --ntk-text-inverse: #0b0614;
  --ntk-primary: #a855f7;
  --ntk-primary-deep: #9333ea;
  --ntk-primary-glow: #c084fc;
  --ntk-primary-soft: rgba(168, 85, 247, 0.18);
  --ntk-primary-hover: #c084fc;
  --ntk-danger: #f87171;
  --ntk-danger-soft: rgba(248, 113, 113, 0.15);
  --ntk-success: #34d399;
  --ntk-warning: #fbbf24;
  --ntk-focus-ring: rgba(192, 132, 252, 0.4);
  --ntk-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --ntk-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --ntk-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
  --ntk-auth-bg: #06030c;
  --ntk-auth-bg-alt: #0b0614;
  --ntk-auth-grid: rgba(168, 85, 247, 0.12);
  --ntk-auth-glow: rgba(147, 51, 234, 0.35);
}