:root {
  color-scheme: light;

  --moter-color-purple-50: #e4d7ff;
  --moter-color-purple-100: #b38fff;
  --moter-color-purple-200: #9461ff;
  --moter-color-purple-300: #6f3ed6;
  --moter-color-purple-400: #2e1e5b;
  --moter-color-purple-500: #180e34;

  --moter-color-grey-50: #ffffff;
  --moter-color-grey-100: #f2f0f3;
  --moter-color-grey-200: #e9e6eb;
  --moter-color-grey-300: #b0adb3;
  --moter-color-grey-400: #4a4a4a;
  --moter-color-grey-500: #0f0e0e;

  --moter-color-orange-50: #fde6d5;
  --moter-color-orange-100: #fbcdab;
  --moter-color-orange-200: #f79a58;
  --moter-color-orange-300: #f5812e;
  --moter-color-orange-400: #934d1c;
  --moter-color-orange-500: #311a09;

  /* Status colours are pragmatic defaults and are NOT part of the MOTER 2025 brand palette.
     Needs MOTER brand confirmation before any status UI ships. Pair colour with icon + label;
     never use colour alone as a status signal. */
  --moter-color-success: #147d64;
  --moter-color-warning: var(--moter-color-orange-300);
  --moter-color-danger: #b42318;
  --moter-color-info: #1d4ed8;

  --moter-brand-primary: var(--moter-color-purple-300);
  --moter-brand-primary-hover: var(--moter-color-purple-200);
  --moter-brand-primary-active: var(--moter-color-purple-400);
  --moter-brand-deep: var(--moter-color-purple-500);
  --moter-brand-accent: var(--moter-color-orange-300);
  --moter-brand-accent-hover: var(--moter-color-orange-200);
  --moter-gradient-accent: linear-gradient(90deg, var(--moter-color-purple-300) 0%, var(--moter-color-orange-300) 100%);

  --moter-bg: var(--moter-color-grey-50);
  --moter-bg-subtle: var(--moter-color-grey-100);
  --moter-surface: var(--moter-color-grey-50);
  --moter-surface-muted: var(--moter-color-grey-200);
  --moter-border: var(--moter-color-grey-200);
  --moter-text: var(--moter-color-purple-500);
  --moter-text-secondary: var(--moter-color-grey-400);
  --moter-text-muted: var(--moter-color-grey-300);
  --moter-text-disabled: var(--moter-color-grey-300);
  --moter-text-inverse: var(--moter-color-grey-50);
  --moter-text-link: var(--moter-color-purple-300);
  --moter-text-link-hover: var(--moter-color-purple-400);
  --moter-text-success: var(--moter-color-success);
  --moter-text-warning: var(--moter-color-warning);
  --moter-text-danger: var(--moter-color-danger);
  --moter-text-error: var(--moter-text-danger);
  --moter-text-info: var(--moter-color-info);
  --moter-on-primary: var(--moter-color-grey-50);
  --moter-on-accent: var(--moter-color-purple-500);
  --moter-surface-success: var(--moter-color-grey-50);
  --moter-surface-warning: var(--moter-color-orange-50);
  --moter-surface-danger: var(--moter-color-grey-50);
  --moter-surface-error: var(--moter-surface-danger);
  --moter-surface-info: var(--moter-color-grey-100);
  --moter-border-success: var(--moter-color-success);
  --moter-border-warning: var(--moter-color-warning);
  --moter-border-danger: var(--moter-color-danger);
  --moter-border-error: var(--moter-border-danger);
  --moter-border-info: var(--moter-color-info);

  --moter-font-family-sans: "Neue Haas Unica", Roboto, "Helvetica Neue", Arial, sans-serif;
  --moter-font-family-mono: "IBM Plex Mono", "Roboto Mono", Consolas, monospace;
  --moter-font-size-0: 0.75rem;
  --moter-font-size-1: 0.875rem;
  --moter-font-size-2: 1rem;
  --moter-font-size-3: 1.125rem;
  --moter-font-size-4: 1.5rem;
  --moter-font-size-5: 2rem;
  --moter-font-size-6: 2.75rem;

  --moter-line-height-tight: 1.12;
  --moter-line-height-heading: 1.2;
  --moter-line-height-body: 1.6;

  --moter-font-weight-regular: 400;
  --moter-font-weight-medium: 500;

  --moter-space-1: 0.25rem;
  --moter-space-2: 0.5rem;
  --moter-space-3: 0.75rem;
  --moter-space-4: 1rem;
  --moter-space-5: 1.5rem;
  --moter-space-6: 2rem;
  --moter-space-7: 3rem;
  --moter-space-8: 4rem;

  --moter-size-touch: 2.75rem;
  --moter-container-sm: 42rem;
  --moter-container-md: 64rem;
  --moter-container-lg: 76rem;

  --moter-radius-sm: 0.25rem;
  --moter-radius-md: 0.375rem;
  --moter-radius-lg: 0.5rem;

  --moter-shadow-sm: 0 0.25rem 0.75rem rgba(24, 14, 52, 0.08);
  --moter-shadow-md: 0 1rem 2.5rem rgba(24, 14, 52, 0.12);

  --moter-focus-ring: 0 0 0 0.1875rem rgba(111, 62, 214, 0.65);
  --moter-motion-duration-fast: 150ms;
  --moter-motion-duration-base: 220ms;
  --moter-motion-ease: cubic-bezier(0.2, 0, 0, 1);

  --moter-z-header: 20;
  --moter-z-overlay: 40;
  --moter-z-modal: 60;
}

[data-theme="dark"] {
  color-scheme: dark;

  --moter-brand-primary: var(--moter-color-purple-200);
  --moter-brand-primary-hover: var(--moter-color-purple-100);
  --moter-brand-primary-active: var(--moter-color-purple-300);
  --moter-brand-deep: var(--moter-color-purple-500);
  --moter-brand-accent: var(--moter-color-orange-300);
  --moter-brand-accent-hover: var(--moter-color-orange-200);
  --moter-bg: var(--moter-color-grey-500);
  --moter-bg-subtle: var(--moter-color-purple-500);
  --moter-surface: var(--moter-color-purple-500);
  --moter-surface-muted: var(--moter-color-purple-400);
  --moter-border: var(--moter-color-purple-400);
  --moter-text: var(--moter-color-grey-50);
  --moter-text-secondary: var(--moter-color-grey-200);
  --moter-text-muted: var(--moter-color-grey-300);
  --moter-text-disabled: var(--moter-color-grey-300);
  --moter-text-inverse: var(--moter-color-grey-50);
  --moter-text-link: var(--moter-color-purple-100);
  --moter-text-link-hover: var(--moter-color-purple-50);
  --moter-text-success: var(--moter-color-success);
  --moter-text-warning: var(--moter-color-warning);
  --moter-text-danger: var(--moter-color-danger);
  --moter-text-error: var(--moter-text-danger);
  --moter-text-info: var(--moter-color-info);
  --moter-on-primary: var(--moter-color-grey-50);
  --moter-on-accent: var(--moter-color-purple-500);
  --moter-surface-success: var(--moter-color-purple-500);
  --moter-surface-warning: var(--moter-color-orange-500);
  --moter-surface-danger: var(--moter-color-purple-500);
  --moter-surface-error: var(--moter-surface-danger);
  --moter-surface-info: var(--moter-color-purple-500);
  --moter-border-success: var(--moter-color-success);
  --moter-border-warning: var(--moter-color-warning);
  --moter-border-danger: var(--moter-color-danger);
  --moter-border-error: var(--moter-border-danger);
  --moter-border-info: var(--moter-color-info);
}

[data-contrast="high"] {
  --moter-brand-primary: var(--moter-color-purple-500);
  --moter-brand-primary-hover: var(--moter-color-purple-400);
  --moter-brand-primary-active: var(--moter-color-grey-500);
  --moter-bg: var(--moter-color-grey-50);
  --moter-bg-subtle: var(--moter-color-grey-50);
  --moter-surface: var(--moter-color-grey-50);
  --moter-surface-muted: var(--moter-color-grey-100);
  --moter-border: var(--moter-color-grey-500);
  --moter-text: var(--moter-color-grey-500);
  --moter-text-secondary: var(--moter-color-grey-500);
  --moter-text-muted: var(--moter-color-grey-400);
  --moter-text-disabled: var(--moter-color-grey-400);
  --moter-text-inverse: var(--moter-color-grey-50);
  --moter-text-link: var(--moter-color-purple-500);
  --moter-text-link-hover: var(--moter-color-purple-400);
  --moter-text-success: var(--moter-color-success);
  --moter-text-warning: var(--moter-color-warning);
  --moter-text-danger: var(--moter-color-danger);
  --moter-text-error: var(--moter-text-danger);
  --moter-text-info: var(--moter-color-info);
  --moter-surface-success: var(--moter-color-grey-50);
  --moter-surface-warning: var(--moter-color-orange-50);
  --moter-surface-danger: var(--moter-color-grey-50);
  --moter-surface-error: var(--moter-surface-danger);
  --moter-surface-info: var(--moter-color-grey-100);
  --moter-border-success: var(--moter-color-success);
  --moter-border-warning: var(--moter-color-warning);
  --moter-border-danger: var(--moter-color-danger);
  --moter-border-error: var(--moter-border-danger);
  --moter-border-info: var(--moter-color-info);
  --moter-focus-ring: 0 0 0 0.25rem var(--moter-color-purple-300);
}