:root {
  color-scheme: dark;

  --color-bg-page: #070913;
  --color-bg-deep: #050711;
  --color-bg-sidebar: #0b0e1b;
  --color-bg-surface: #101426;
  --color-bg-surface-alt: #151a30;
  --color-bg-elevated: #1a2038;
  --color-bg-hover: #202745;

  --color-primary: #8b5cf6;
  --color-primary-hover: #9f7aea;
  --color-primary-active: #7347dc;
  --color-primary-soft: rgba(139, 92, 246, 0.14);
  --color-primary-border: rgba(139, 92, 246, 0.45);

  --color-secondary: #3b82f6;
  --color-secondary-soft: rgba(59, 130, 246, 0.14);
  --color-accent-cyan: #22d3ee;
  --color-accent-gold: #f6c453;
  --color-accent-pink: #d946ef;
  --color-accent-indigo: #6366f1;

  --color-text-primary: #f5f7ff;
  --color-text-secondary: #b4bdd3;
  --color-text-muted: #7d879f;
  --color-text-disabled: #555e73;
  --color-text-inverse: #080a13;

  --color-border: rgba(150, 165, 205, 0.14);
  --color-border-hover: rgba(150, 165, 205, 0.28);
  --color-border-strong: rgba(167, 139, 250, 0.42);

  --color-success: #34d399;
  --color-success-soft: rgba(52, 211, 153, 0.13);
  --color-warning: #fbbf24;
  --color-warning-soft: rgba(251, 191, 36, 0.13);
  --color-danger: #fb7185;
  --color-danger-soft: rgba(251, 113, 133, 0.13);
  --color-info: #38bdf8;
  --color-info-soft: rgba(56, 189, 248, 0.13);

  --gradient-brand: linear-gradient(135deg, #8b5cf6 0%, #6366f1 45%, #3b82f6 100%);
  --gradient-nebula: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.28),
    rgba(59, 130, 246, 0.18),
    rgba(217, 70, 239, 0.12)
  );
  --gradient-page:
    radial-gradient(ellipse at 16% 8%, rgba(139, 92, 246, 0.28), transparent 38%),
    radial-gradient(ellipse at 86% 18%, rgba(99, 102, 241, 0.2), transparent 34%),
    radial-gradient(ellipse at 58% 82%, rgba(217, 70, 239, 0.14), transparent 42%),
    radial-gradient(ellipse at 28% 68%, rgba(246, 196, 83, 0.08), transparent 36%),
    linear-gradient(145deg, rgba(8, 10, 24, 0.2), rgba(16, 11, 34, 0.38) 48%, rgba(5, 7, 17, 0.24)),
    #070913;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.42);
  --shadow-primary: 0 0 28px rgba(139, 92, 246, 0.22);
  --shadow-secondary: 0 0 28px rgba(59, 130, 246, 0.18);

  --duration-fast: 120ms;
  --duration-normal: 180ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
}