:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #f5f7fa;--panel: #ffffff;--soft: #f0f4f8;--text: #111827;--muted: #667085;--line: #d8e0e8;--accent: #0f766e;--accent-soft: #dff4ef;--ink: #1f2a44;--blue: #2563eb;--blue-soft: #e8f0ff;--gold: #b7791f;--gold-soft: #fff4d6;--danger: #b42318;--danger-soft: #fee4e2;--shadow: 0 18px 50px rgb(17 24 39 / 10%)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);outline:none}textarea{resize:vertical;line-height:1.55}input:focus,textarea:focus,button:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(2rem,5vw,4.2rem);letter-spacing:0;line-height:1.02}h2{margin-bottom:0;font-size:1.25rem;line-height:1.25}label{display:block;margin-bottom:8px;color:var(--muted);font-size:.84rem;font-weight:760}.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;display:grid;align-content:start;gap:16px;height:100vh;padding:18px;overflow:auto;border-right:1px solid var(--line);background:var(--panel)}.workspace{min-width:0;padding:28px}.brand{display:flex;gap:10px;align-items:center}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:8px;background:var(--ink);color:#fff;font-weight:900}.eyebrow{margin:0 0 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