:root {
    --c-black:      #000000;
    --c-white:      #FFFFFF;
    --c-bg:         #F5F5F5;
    --c-text:       #000000;
    --c-muted:      #666666;
    --c-accent:     #1a1a1a;
    --c-border:     #E0E0E0;
    --c-error:      #F44336;

    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --header-h: 70px;
    --radius:   8px;

    --t-fast:   150ms ease;
    --t-med:    300ms ease;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,.12);
    --shadow-lg: 0 12px 24px rgba(0,0,0,.16);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}