:root{--chrome:#fafafa;--panel:#fff;--canvas-bg:#5b5a62;--border:#e5e5e8;--border-strong:#d2d2d6;--text:#17171a;--text-dim:#6b6b72;--text-faint:#9a9aa1;--accent:#1a56db;--accent-hover:#1547b8;--accent-soft:#eaf0fd;--danger:#dc2626;--success:#16a34a;--radius:7px;--radius-lg:12px;--shadow-sm:0 1px 2px #14141e0f;--shadow-md:0 6px 20px #14141e1a;--shadow-lg:0 16px 48px #14141e38;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--chrome);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Arial,sans-serif}.app{flex-direction:column;height:100vh;display:flex}.font-iast{font-family:Georgia,Noto Serif,serif}.font-deva{font-family:Noto Sans Devanagari,Nirmala UI,Kohinoor Devanagari,sans-serif}.toolbar{background:var(--panel);box-shadow:var(--shadow-sm);z-index:5;flex-shrink:0;align-items:center;gap:18px;padding:9px 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