:root{--bg: #f6f7fb;--surface: #ffffff;--surface-2: #f1f3f8;--border: #e3e6ee;--border-strong: #cfd4e0;--text: #0f1729;--text-2: #4a5468;--text-3: #646d80;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #eef0ff;--primary-contrast: #ffffff;--accent: #0ea5e9;--success: #15803d;--success-soft: #e8f7ee;--warning: #b45309;--warning-soft: #fdf4e3;--danger: #dc2626;--danger-soft: #fdecec;--stage: #0b0d12;--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 2px rgba(15, 23, 41, .06);--shadow: 0 4px 16px rgba(15, 23, 41, .08);--shadow-lg: 0 16px 40px rgba(15, 23, 41, .12);--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--nav-h: 64px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 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