@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Crimson+Pro:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap");:root{--ink:#1a1a1a;--muted:#64748b;--surface:#fff;--border:#e5e7eb;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-2:#7c3aed;--panel:hsla(0,0%,100%,.92);--shadow:0 2px 8px rgba(0,0,0,.06);--page-bg:linear-gradient(180deg,#fafbfc,#f8fafc 60%,#fff);--background:#fff;--section-concepts:#2563eb;--section-notes:#059669;--section-evidence:#dc2626;--section-connections:#7c3aed;--section-activity:#ea580c;--section-research:#0891b2;--academic-blue:#2563eb;--academic-purple:#7c3aed;--academic-green:#059669;--academic-orange:#ea580c;--academic-red:#dc2626;--academic-teal:#0891b2;--font-display:"Inter",system-ui,-apple-system,sans-serif;--font-body:"Inter",system-ui,-apple-system,sans-serif;--font-serif:"Crimson Pro",Georgia,serif;--font-mono:"IBM Plex 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