:root { color-scheme: light; font-family: system-ui, sans-serif; }
body { margin: 0 auto; max-width: 52rem; padding: 2rem; background: #f4fbf7; color: #17352a; }
header { border-bottom: 3px solid #397b61; margin-bottom: 1.5rem; }
.session { background: white; border-left: 0.4rem solid #397b61; margin: 1rem 0; padding: 0.8rem 1rem; }
.session h2 { margin: 0 0 0.4rem; }
.session p { margin: 0.2rem 0; }