:root{color-scheme:light;font-family:Inter,system-ui,sans-serif;--bg: #f7f8f3;--surface: #ffffff;--border: #e7e9e0;--text: #13150d;--text-muted: #666b5e;--accent: #8fe050;--accent-dark: #1b2b12;--accent-soft: #eaf7d9;--danger-bg: #fbe7e3;--danger-text: #b83322;--success-bg: #e3f7d9;--success-text: #2b711c;--warning-bg: #fff3d6;--warning-text: #8a5900;--radius: 20px;--radius-control: 12px;--radius-pill: 999px;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .875rem;--text-md: 1rem;--text-lg: 1.375rem;--text-xl: 1.75rem;--shadow: 0 1px 2px rgba(19, 21, 13, .04);--shadow-overlay: 0 24px 60px rgba(19, 21, 13, .18)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input{font-family:inherit}.app{max-width:720px;margin:0 auto;padding:32px 24px}.app h1{margin:0 0 20px;font-size:var(--text-xl)}.card{background:var(--surface);border:1px solid 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