:root {
    /* Color palette (neutrals + brand) */
    --color-brand: #6e56cf;
    --color-brand-600: #5a45bd;
    --color-brand-700: #3a4056;
    --avatar-ring: var(--color-brand, #6e56cf);
    --avatar-ring-dark: var(--brand-text, #b9a7ff);
    --neutral-0: #ffffff;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-600: #475569;
    --neutral-800: #1f2937;
    --neutral-900: #0f172a;

    --success: #1d2520;
    --warning: #f59e0b;
    --danger: #dc2626;

    /* Typography */
    --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;

    --lh-tight: 1.2;
    --lh-normal: 1.5;

    /* Spacing scale */
    --sp-0: 0;
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;

    /* Radii & shadows */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, .08);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, .12);

    /* Speeds / motion */
    --ease: cubic-bezier(.2, .8, .2, 1);
    --dur-fast: 120ms;
    --dur: 200ms;

    /* Content max width */
    --max-w: 72rem;
}