:root{--ink: #1a1f1d;--paper: #f5f6f3;--paper-raised: #ffffff;--sidebar: #12312b;--sidebar-ink: #d9e4de;--sidebar-line: #244840;--brass: #b8862b;--brass-dark: #8f6a1f;--line: #dfe2dc;--line-strong: #c3c8bf;--muted: #5c655e;--danger: #9c2b20;--danger-bg: #fbe9e7;--success: #1e5631;--success-bg: #e8f3ea;--warn-bg: #fdf3e0;--warn-ink: #7a4e10;--font-display: "Source Serif 4", Georgia, serif;--font-ui: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--radius: 3px;--shadow: 0 1px 2px rgba(18, 49, 43, .06), 0 4px 12px rgba(18, 49, 43, .05)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-ui);font-size:14px;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0;letter-spacing:-.01em}a{color:inherit}button{font-family:var(--font-ui);cursor:pointer}input,select,textarea{font-family:var(--font-ui)}:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:var(--sidebar-ink);padding:20px 14px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{padding:4px 8px 14px;border-bottom:1px solid 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