:root {
    --color-primary: #0f172a;
    --color-bg: #ffffff;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-border: #f1f5f9;
    --color-surface: #f8fafc;
    --color-surface-glass: rgba(255, 255, 255, 0.85);
    --font-heading: 'Instrument Serif', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Contrast Guarantee */
    --color-text-on-dark: #f8fafc;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #020617;
        --color-text: #f1f5f9;
        --color-text-muted: #94a3b8;
        --color-border: #1e293b;
        --color-surface: #0f172a;
        --color-surface-glass: rgba(15, 23, 42, 0.85);
    }
}