:root{color-scheme:light dark;--bg:#f4f4fa;--bg-grad:radial-gradient(circle at 20% -10%,#ece9fb 0%,#f4f4fa 45%,#f4f4fa 100%);--surface:rgba(255,255,255,0.72);--surface-solid:#ffffff;--surface-input:#f5f5f8;--surface-border:rgba(60,60,67,0.13);--text:#1d1d1f;--muted:#6e6e73;--accent:#5546d8;--accent-a:#5e5ce6;--accent-b:#0071e3;--accent-soft:rgba(94,92,230,0.1);--accent-glow:rgba(94,92,230,0.28);--focus:#0071e3;--danger:#d70015;--danger-soft:rgba(215,0,21,0.08);--shadow-card:0 1px 2px rgba(0,0,0,0.05),0 16px 40px -24px rgba(30,20,80,0.16);--shadow-btn:0 6px 20px -6px var(--accent-glow)}@media (prefers-color-scheme:dark){:root{--bg:#050508;--bg-grad:radial-gradient(circle at 15% 0%,#1c1830 0%,#0a0a12 55%,#050508 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