:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-tertiary: #e9ecef;--color-text-primary: #212529;--color-text-secondary: #6c757d;--color-accent: #dc3545;--color-accent-hover: #c82333;--color-danger: #dc3545;--color-border: #dee2e6;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;overflow:hidden}#root{height:100%}button{font-family:inherit;cursor:pointer;border:none;background:none}textarea{font-family:inherit;background:none;border:none;color:inherit;resize:none}textarea:focus{outline:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-border)}