:root{--bg: #f5f5f7;--card: #ffffff;--text: #1d1d1f;--muted: #6e6e73;--brand: #0071e3;--accent: #34c759;--border: #d2d2d7;--bg-elev: #ffffff;--ring: rgba(0, 113, 227, .35);--radius: 12px;--radius-lg: 16px;--shadow-soft: 0 1px 3px rgba(0, 0, 0, .06), 0 8px 20px rgba(0, 0, 0, .05);--shadow-md: 0 12px 30px rgba(0, 0, 0, .08);--shadow-brand: 0 8px 22px rgba(0, 113, 227, .18);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, ui-sans-serif, system-ui, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";--leading: 1.6}@media (prefers-color-scheme: dark){:root{--bg: #0b0d12;--card: #111318;--text: #f5f5f7;--muted: #b8b8bd;--brand: #0a84ff;--accent: #30d158;--border: #2c2c30;--bg-elev: #151821;--ring: rgba(10, 132, 255, .45);--shadow-soft: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 24px rgba(0, 0, 0, .35);--shadow-md: 0 16px 36px rgba(0, 0, 0, .5);--shadow-brand: 0 12px 28px rgba(10, 132, 255, 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