:root{--bg:#f7f7f8;--card:#fff;--text:#1a1a1e;--muted:#6b7280;--border:#e5e7eb;--accent:#2563eb;--shadow:0 1px 2px rgba(0,0,0,.04),0 4px 12px rgba(0,0,0,.04);--banner-bg:#fef9e7;--banner-text:#6b5900;--banner-border:#f0d56c;--chip:#f0f0f1;--chip-hover:#e2e2e5}:root[data-theme=dark]{--bg:#0e0f13;--card:#17181d;--text:#e8e8ea;--muted:#9aa0ab;--border:#2a2c34;--accent:#5b9dff;--shadow:0 1px 2px rgba(0,0,0,.3),0 4px 16px rgba(0,0,0,.25);--banner-bg:#2a2517;--banner-text:#f5dfa0;--banner-border:#5a4d2a;--chip:#272930;--chip-hover:#34363f}@media (prefers-color-scheme:dark){:root:not([data-theme]){--bg:#0e0f13;--card:#17181d;--text:#e8e8ea;--muted:#9aa0ab;--border:#2a2c34;--accent:#5b9dff;--shadow:0 1px 2px rgba(0,0,0,.3),0 4px 16px 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