:root{--color-background-primary: #fafafa;--color-background-secondary: #f0f0f0;--color-text-primary: #1a1a1a;--color-text-secondary: #4a4a4a;--color-text-tertiary: #737373;--color-border-primary: #e5e5e5;--color-border-secondary: #d4d4d4;--color-border-tertiary: #a3a3a3;--border-radius-md: 10px;--border-radius-lg: 14px;--font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace}*{box-sizing:border-box}body{margin:0;font-family:DM Sans,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-background-primary);color:var(--color-text-primary)}#root{min-height:100vh}button{font-family:inherit;border:none;background:var(--color-background-secondary);color:var(--color-text-primary);border-radius:var(--border-radius-md);cursor:pointer;transition:background .15s,color .15s}button:hover{background:var(--color-border-secondary)}button:active{opacity:.9}