:root { --ink: #0b0613; --paper: #f7f5f0; --muted: rgba(247, 245, 240, 0.65); --rule: rgba(247, 245, 240, 0.2); --accent: #6a2a96; /* royal purple — UI accent (nav, buttons, focus states) */ --max-width: 720px; --font-serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif; --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; --panel-footer-gap: 1rem; /* gap between main's panel and