:root{color-scheme:light dark;--bg:#f6f5f1;--surface:#fffefa;--surface-elevated:#f9f7f1;--header-surface:color-mix(in srgb, var(--surface) 94%, transparent);--text:#171714;--text-secondary:#5c5a52;--text-tertiary:#5c5a52;--border:#d8d5ca;--separator:#e7e4dc;--accent:#0b5ea8;--accent-strong:#084b86;--accent-fg:#fff;--focus:#0b5ea8;--tint:#eeece5;--shadow:0 24px 70px #17171417;--radius-lg:18px;--radius-md:14px;--radius-sm:8px;--font-family-base:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Helvetica, Arial, sans-serif;--font-family-arabic:Tahoma, "Geeza Pro", Arial, 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