:root{--vd-bg: #0f172a;--vd-card-bg: #1e293b;--vd-card-border: #334155;--vd-text: #e2e8f0;--vd-text-muted: #94a3b8;--vd-heading: #f8fafc;--vd-accent: #818cf8;--vd-accent-2: #c084fc;--vd-font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--vd-font-heading: var(--vd-font-body);--vd-font-scale: 1;--vd-card-max-width: 40rem;--vd-card-padding: clamp(1.5rem, 5vw, 3rem);--vd-radius: 1rem;--vd-nav-bg: rgba(15, 23, 42, .8);--vd-progress: var(--vd-text-muted)}