:root{--paper: #faf7f2;--paper-raised: #fffdfa;--ink: #322f2b;--ink-soft: #6b6459;--ink-faint: #9b9184;--rule: #e5ded3;--accent: #b4622a;--accent-soft: #f0e2d6;--accent-2: #2f6f7d;--tool-bg: #eef0f3;--tool-panel: #f7f8fa;--tool-border: #d5dae1;--tool-border-strong: #b9c1cb;--tool-ink: #2a2f36;--tool-ink-soft: #626b77;--tool-active: #33506e;--tool-warn: #8a6d2f;--tool-warn-bg: #fdf4e0;--stage: #16181c;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.app{display:grid;grid-template-columns:minmax(420px,42%) 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