*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-card:#0f3460;--accent:#e94560;--accent-hover:#c73652;--text-primary:#eaeaea;--text-secondary:#a0a0b0;--border:#2a2a4a;--completed:#4a4a6a;--success:#4caf50;--shadow:0 4px 24px rgba(0,0,0,.4)}body,html{min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6}