:root{--brand: #142d63;--brand-hover: #1d3c7b;--navy-deep: #10234b;--accent: #6554d9;--accent-soft: #f0edff;--surface: #ffffff;--canvas: #f4f6fb;--text: #172747;--muted: #63708a;--border: #dde3ee;--success: #147d64;--success-soft: #e6f4ef;--warning: #966116;--warning-soft: #fbf1e1;--danger: #b83d50;--danger-soft: #fbe9ec;--radius-card: 14px;--radius-btn: 9px;--shadow: 0 1px 2px rgba(20, 45, 99, .06), 0 4px 16px rgba(20, 45, 99, .05);--mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--canvas);color:var(--text);font:15px/1.6 Nunito Sans,Noto Sans SC,system-ui,-apple-system,PingFang SC,Microsoft 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