:root{--page:#faf7f2;--card:#fff;--text:#1f2a27;--muted:#5b6663;--border:#e4ded4;--primary:#2f6b5a;--primary-dark:#24564a;--primary-soft:#ddefe3;--fuel-fill:#ddefe3;--fuel-text:#2f6b5a;--drain-fill:#f8d9d4;--drain-text:#b8463b;--reset-fill:#fbe9d3;--reset-text:#9a6a1f;--amber:#f5d9a8;--amber-text:#7a5410;--red:#b8463b;--red-soft:#f8d9d4;--radius:16px;--shadow:0 1px 2px #1f2a270f, 0 4px 16px #1f2a270d;--font:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--page);color:var(--text);font:15px/1.5 var(--font);margin:0}h1,h2,h3{color:var(--primary-dark);margin:0 0 8px;line-height:1.25}h1{font-size:26px}h2{font-size:19px}h3{font-size:16px}p{margin:0 0 8px}a{color:var(--primary)}:focus-visible{outline-offset:2px;outline:3px solid #7fb8a6}.shell{grid-template-columns:248px 1fr;min-height:100%;display:grid}.sidebar{background:var(--card);border-right:1px solid 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