:root {
  /* Background */
  --bg-primary: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --bg-input: #1a1a1a;
  --bg-button: #2a2a2a;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-disabled: #555555;

  /* Dot grid */
  --dot-empty: #2a2a2a;

  /* Accent */
  --accent-default: #3b82f6;

  /* Typography */
  --font-family: 'DM Sans', sans-serif;
  --font-size-name: 17px;
  --font-weight-name: 500;
  --font-size-meta: 13px;
  --font-weight-meta: 400;
  --font-size-heading: 20px;
  --font-weight-heading: 600;

  /* Card */
  --card-radius: 16px;
  --card-padding: 16px;
  --card-content-gap: 12px;

  /* Icon */
  --icon-size: 44px;
  --icon-radius: 12px;

  /* Dot grid */
  --dot-size: 7px;
  --dot-gap: 2px;
  --dot-rows: 7;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Habit colors */
  --color-blue: #3b82f6;
  --color-green: #22c55e;
  --color-purple: #a855f7;
  --color-red: #ef4444;
  --color-orange: #f97316;
  --color-yellow: #eab308;
  --color-pink: #ec4899;
  --color-teal: #14b8a6;
  --color-gray: #6b7280;
  --color-white: #e5e7eb;
  --color-lime: #84cc16;
  --color-indigo: #6366f1;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}