:root{--bg: #f1f5f9;--panel: #ffffff;--panel-strong: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--text-dim: #64748b;--brand: #2563eb;--brand-hover: #1d4ed8;--brand-light: #eff6ff;--ok: #059669;--ok-light: #ecfdf5;--warn: #d97706;--warn-light: #fffbeb;--danger: #dc2626;--danger-light: #fef2f2;--bg-deep: #0f172a;--side-text: #cbd5e1;--side-hover: #1e293b;--radius: 10px}*{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,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-deep);border-right:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;padding:18px 12px;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 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