:root{--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--text-2: #475569;--muted: #64748b;--primary: #2563eb;--primary-600: #1d4ed8;--green: #16a34a;--amber: #d97706;--red: #dc2626;--indigo: #4f46e5;--teal: #0d9488;--sidebar-bg: #0f172a;--sidebar-text: #cbd5e1;--sidebar-active: #1e3a8a;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08);--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft 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