:root{--bg:#f6f7fb;--surface:#fff;--surface-alt:#f9fafb;--border:#e5e7eb;--text:#111827;--muted:#6b7280;--accent:#4f46e5;--accent-soft:#4f46e51a;--ok:#059669;--ok-soft:#0596691f;--warn:#d97706;--warn-soft:#d9770624;--danger:#dc2626;--danger-soft:#dc26261f;--neutral-soft:#6b728024;--radius:10px;--shadow:0 1px 2px #0000000a, 0 1px 8px #0000000a;--sidebar-bg:#0f1535;--sidebar-bg-elev:#161c46;--sidebar-fg:#cbd5e1;--sidebar-fg-muted:#7c89b5;--sidebar-active:#6366f1;--sidebar-active-soft:#6366f12e;--sidebar-border:#ffffff0f}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.45}h1{margin:0 0 4px;font-size:24px}h2{margin:0 0 12px;font-size:16px}p{margin:0 0 12px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,.code-inline{background:var(--surface-alt);border-radius:4px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.muted{color:var(--muted)}.small{font-size:12px}.error{background:var(--danger-soft);color:var(--danger);border-radius:var(--radius);border:1px solid #dc262640;padding:10px 12px}.app-shell{background:var(--bg);height:100vh;display:flex;overflow:hidden}.content{flex:1;min-width:0;padding:28px 36px;overflow:auto}.sidebar{background:var(--sidebar-bg);width:224px;color:var(--sidebar-fg);border-right:1px solid var(--sidebar-border);flex-direction:column;flex-shrink:0;gap:4px;padding:18px 14px 16px;display:flex;overflow-y:auto}.sidebar-brand{border-bottom:1px solid var(--sidebar-border);align-items:center;gap:10px;margin-bottom:6px;padding:4px 10px 18px;display:flex}.sidebar-brand a{color:#fff;letter-spacing:.02em;align-items:center;gap:10px;font-size:15px;font-weight:700;display:flex}.sidebar-brand 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