:root{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--color-text-primary:#111;--color-text-secondary:#666;--color-background-primary:#fff;--color-background-secondary:#f5f5f5;--color-border-secondary:#ddd;--color-border-tertiary:#eee;--border-radius-md:6px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--color-background-primary);height:100%;color:var(--color-text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}button{font-family:var(--font-sans);background:var(--color-background-primary);border:.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;color:var(--color-text-primary);padding:5px 10px}button:hover{background:var(--color-background-secondary)}input{font-family:var(--font-sans);border:.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);color:var(--color-text-primary);background:var(--color-background-primary);outline:none;padding:4px 8px}input:focus{border-color:#aaa}