:root{--knox-bg:#f8fafc;--knox-surface:#f1f5f9;--knox-card:#fff;--knox-card-hover:#f8fafc;--knox-text:#0f172a;--knox-text-secondary:#334155;--knox-hint:#64748b;--knox-separator:#0f172a14;--knox-accent:#111827;--knox-accent-contrast:#fff;--knox-radius:20px;--knox-radius-sm:14px;--knox-shadow:0 1px 2px #0f172a0f;--knox-shadow-md:0 8px 24px #0f172a14;--knox-shadow-lg:0 16px 40px #0f172a1a;--knox-sidebar-bg:#f8fafc;--knox-input-bg:#fff;--knox-scrollbar:#0f172a29;--knox-scrollbar-hover:#0f172a47}[data-theme=dark]{--knox-bg:#0a0f1e;--knox-surface:#111827;--knox-card:#162032;--knox-card-hover:#1c2942;--knox-text:#e2e8f0;--knox-text-secondary:#cbd5e1;--knox-hint:#94a3b8;--knox-separator:#e2e8f01a;--knox-accent:#f8fafc;--knox-accent-contrast:#0a0f1e;--knox-shadow-md:0 12px 32px #02061173;--knox-shadow-lg:0 20px 48px 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