:root{--bg: #0d1117;--bg-elev: #161b22;--bg-elev-2: #1c2230;--text: #e6edf3;--text-muted: #aab4c0;--accent: #6c63ff;--accent-hover: #9d97ff;--accent-contrast: #ffffff;--border: #2a3340;--border-strong: #3a4554;--success: #3fb950;--focus-ring: #79b8ff;--header-bg: rgba(13, 17, 23, .85);--hero-scrim-1: rgba(13, 13, 20, .84);--hero-scrim-2: rgba(13, 13, 20, .38);--hero-halo: rgba(5, 6, 10, .72);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;--maxw: 72rem;--radius: 14px;--radius-sm: 10px;--space: clamp(1rem, 2.5vw, 1.5rem);--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .25)}:root[data-theme=light]{--bg: #ffffff;--bg-elev: #f6f8fa;--bg-elev-2: #eaeef2;--text: #1c2128;--text-muted: #57606a;--accent: #4f46e5;--accent-hover: #4338ca;--accent-contrast: #ffffff;--border: #d0d7de;--border-strong: #b6c0cc;--success: 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